1 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3 * Makefile.in: Fix the examples about the use of stamps
5 2006-02-15 Michael Matz <matz@suse.de>
9 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10 influenced by maximum_field_alignment or DECL_PACKED.
11 (update_alignment_for_field): Ditto.
13 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
16 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
18 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
19 (debug_flow_info): Pass it.
20 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
21 * bb-reorder.c (reorder_basic_blocks): Likewise.
22 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
23 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
24 * flow.c (life_analysis, recompute_reg_usage): Likewise.
25 * gcse.c (gcse_main, bypass_jumps): Likewise.
26 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
27 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
28 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
29 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
30 * rtl.h (dump_flow_info): Adjust prototype.
31 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
32 * var-tracking.c (variable_tracking_main): Likewise.
33 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
34 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
37 2006-02-15 Marcin Dalecki <martin@dalecki.de>
39 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
42 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
44 PR tree-optimization/26209
45 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
46 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
48 * tree-cfg.c (replace_uses_by): Do not alter cfg.
50 2006-02-14 Roger Sayle <roger@eyesopen.com>
53 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
54 (X,Y) and the corresponding symmetry related transformations.
55 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
56 (X,Y) and its symmetry related transformations.
58 2006-02-14 Roger Sayle <roger@eyesopen.com>
60 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
63 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
65 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
67 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
70 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
72 * configure: Regenerate.
74 2006-02-14 Roger Sayle <roger@eyesopen.com>
79 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
81 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
83 Fix PR tree-optimization/26260
85 * doc/invoke.texi (max-fields-for-field-sensitive): Document
87 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
88 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
89 * tree-ssa-structalias.c (create_variable_info_for): Use
90 MAX_FIELDS_FOR_FIELD_SENSITIVE.
92 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
94 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
96 * tree-ssa-loop-niter.c (number_of_iterations_ne,
97 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
98 of the ending condition.
99 * tree-ssa-loop-manip.c: Include params.h.
100 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
101 tree_unroll_loop): New functions.
102 * tree-pass.h (pass_loop_prefetch): Declare.
103 * loop.c (rest_of_handle_loop_optimize): Test for
104 -fprefetch-loop-arrays-rtl.
105 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
106 * timevar.def (TV_TREE_PREFETCH): New timevar.
107 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
108 pass_loop_prefetch): New.
109 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
110 (cleanup_tree_cfg_loop): Call scev_reset.
111 * common.opt (fprefetch-loop-arrays-rtl): Add.
112 * tree-ssa-loop-prefetch.c: New file.
113 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
114 (new_temp_expr_table): Initialize expr_vars.
115 (free_temp_expr_table): Cleanup expr_vars.
116 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
117 expressions from being merged into one.
118 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
119 (struct tree_niter_desc): Add control, bound and cmp fields.
120 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
122 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
123 (tree-cfgcleanup.o): Add SCEV_H dependency.
124 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
125 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
127 2006-02-14 Richard Guenther <rguenther@suse.de>
129 PR tree-optimization/26258
130 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
131 in PHI argument processing.
133 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
135 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
136 new expression in the requested machine mode.
138 2006-02-13 Roger Sayle <roger@eyesopen.com>
140 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
141 directly, instead let do_compare_rtx_and_jump handle this for us.
142 * expr.c (expand_expr_real_1): Likewise.
143 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
144 before do_jump_by_parts_greater.
145 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
146 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
148 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
150 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
152 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
154 PR rtl-optimization/26235
155 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
156 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
159 2006-02-13 Jeff Law <law@redhat.com>
161 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
164 2006-02-13 Jakub Jelinek <jakub@redhat.com>
167 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
168 twice if decl is a builtin. When trying again, call get_callee_fndecl
169 first to verify it is still a builtin.
171 2006-02-13 Geoffrey Keating <geoffk@apple.com>
173 * dwarf2out.c (base_type_die): Don't add AT_name here.
174 (subrange_type_die): Don't add AT_name here.
175 (modified_type_die): Rearrange code flow. Do add AT_name here.
177 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
179 PR rtl-optimization/26247
180 PR rtl-optimization/26248
181 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
183 2006-02-13 Richard Sandiford <richard@codesourcery.com>
185 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
186 * config/fixtfdi.c: Likewise.
187 * config/fixunstfdi.c: Likewise.
188 * config/floatditf.c: Likewise.
190 2006-02-13 Roger Sayle <roger@eyesopen.com>
193 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
194 into (X,C2) if C1 is a subset of the bits of C2. Transform
195 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
197 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
199 2006-02-13 Josh Conner <jconner@apple.com>
202 * varasm.c (function_section): Check for section name before
203 calling select_section on targets that define
204 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
205 unlikely_text_section instead of hot_function_section if
206 first_function_block_is_cold.
208 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
211 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
213 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
215 PR rtl-optimization/26222
216 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
217 after tree->rtl expansion.
218 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
219 before passing it to emit_move_insn.
221 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
223 * doc/invoke.texi (-Write-strings): Document that it is enabled by
225 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
226 Clarify documentation.
227 * c-common.h (warn_write_strings): Remove.
228 * c-common.c (warn_write_strings): Likewise.
229 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
232 2006-02-12 Roger Sayle <roger@eyesopen.com>
235 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
236 (do_jump_parts_zero_rtx): New function renamed from
237 do_jump_parts_equality_rtx. Made static. Add a mode argument.
238 (do_jump_parts_equality_rtx): New function split out from
239 do_jump_parts_equality. Old implementation renamed as above.
240 Call do_jump_parts_zero_rtx if either operand is zero.
241 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
242 do all of the heavy lifting.
243 (do_compare_rtx_and_jump): Handle multi-word comparisons by
244 calling either do_jump_by_parts_greater_rtx or
245 do_jump_by_parts_equality_rtx.
246 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
247 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
248 moved to do_compare_rtx_and_jump, call it directly.
249 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
250 mode argument. Call do_compare_rtx_and_jump.
251 (emit_case_nodes): Update calls to do_jump_if_equal.
253 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
255 PR rtl-optimization/26225
256 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
258 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
260 PR rtl-optimization/26232
261 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
263 2006-02-11 Jason Merrill <jason@redhat.com>
266 * tree-inline.c (declare_return_variable): Just don't use the
267 modify target if it's a gimple complex reg and the return slot
270 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
272 * doc/contrib.texi: Update my entry.
274 2006-02-10 Geoffrey Keating <geoffk@apple.com>
276 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
278 2006-02-10 Diego Novillo <dnovillo@redhat.com>
280 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
283 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
285 * doc/invoke.texi (-floop-optimize2): Removed.
286 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
287 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
288 Test flag_branch_on_count_reg only if HAVE_doloop_end.
289 * common.opt (floop-optimize2): Removed.
290 (fmove-loop-invariants): Enabled by default.
292 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
294 * tree-if-conv.c (combine_blocks): Free the result of
297 2006-02-10 Jeff Law <law@redhat.com>
299 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
301 PR tree-optimization/26213
302 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
303 loop trying to follow SSA_NAME_VALUE chains.
305 2006-02-10 Richard Guenther <rguenther@suse.de>
307 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
308 deal with structures that end in implicitly variable sized arrays.
310 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
312 PR rtl-optimization/24762
313 * df-scan.c (df_bb_refs_record): Record correct registers defined on
316 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
318 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
319 (struct ivopts_data): Add regs_used field.
320 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
321 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
322 instead of loop_data->regs_used;
323 (free_loop_data): Do not free aux fields for loops.
324 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
325 and tree_ssa_iv_optimize_finalize.
327 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
329 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
331 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
334 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
335 computing the effective result type.
337 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
340 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
341 (tree_overlaps_hard_reg_set): Declare.
342 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
343 type and signature to match function type expected by walk_tree.
344 (tree_overlaps_hard_reg_set): New function.
345 (decl_conflicts_with_clobbers_p): Rename to:
346 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
347 Use tree_overlaps_hard_reg_set. Changed caller.
348 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
349 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
350 * cris.c (cris_md_asm_clobbers): Likewise.
352 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
354 * reload1.c (emit_input_reload_insns): Delete code that tries to
355 inherit using find_equiv_reg.
357 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
359 * c-common.h (flag_const_strings): Don't declare.
360 * c-common.c (flag_const_strings): Remove.
361 * c.opt (fconst_strings): Remove.
362 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
363 <OPT_Wwrite_strings>: Don't set flag_const_strings.
364 (c_common_init_options): Don't set flag_const_strings.
365 * doc/invoke.texi (-fno-const-strings): Remove documentation.
367 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
369 * arm.md (tlobits_cbranch): New pattern.
370 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
371 testing a single bit.
373 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
376 * tree-ssa-pre.c (create_component_ref_by_pieces):
377 Handle RETURN_DECL like VAR_DECL.
379 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
382 * fold-const.c (fold_indirect_ref_1): Fold
383 "*(foo *)&complexfoo" to "__real__ complexfoo"
384 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
386 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
388 * tree-flow-inline.h (var_can_have_subvars):
389 Volatile variables should not have subvariables.
391 2006-02-09 Diego Novillo <dnovillo@redhat.com>
394 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
395 multiplying unsigned values.
398 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
400 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
402 2006-02-08 Jason Merrill <jason@redhat.com>
405 * tree.def: Elaborate on difference from MODIFY_EXPR.
406 * doc/c-tree.texi (INIT_EXPR): Likewise.
407 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
408 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
409 (gimplify_target_expr): Likewise.
410 (gimplify_cond_expr): Remove target handling.
411 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
412 (gimplify_expr): Clobber it here.
413 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
414 Do return slot optimization if we have an INIT_EXPR.
417 * tree-inline.c (declare_return_variable): Also clear
418 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
421 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
424 * gimplify.c (gimplify_one_sizepos): Fix typo.
426 2006-02-08 Jeff Law <law@redhat.com>
428 PR tree-optimization/21417
429 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
430 across a backedge if the control statement at the end of the
431 block is data dependent on other statements in the same block.
432 (record_temporary_equivalences_from_stmts): Remove over-conservative
433 test for threading across backedges.
435 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
436 control statement, handle all three special cases in the same
437 manner as they all have the same desired solution. No longer
438 special case edge flag updating when the post dominator is
441 2006-02-08 Roger Sayle <roger@eyesopen.com>
443 * tree.def (CHAR_TYPE): Remove.
444 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
445 * dwarf2out.c (base_type_die, is_base_type): Likewise.
446 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
447 (gen_string_type_die): Delete unreachable function.
449 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
450 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
451 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
452 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
453 * builtins.c (type_to_class): Likewise.
454 * fold-const.c (fold_convert, build_range_check,
455 merge_ranges): Likewise.
456 * expr.c (count_type_elements): Likewise.
457 * c-pretty-print.c (pp_c_type_specifier): Likewise.
458 * stor-layout.c (layout_type): Likewise.
459 * ipa-type-escape.c (type_to_consider): Likewise.
460 * gimplify.c (omp_firstprivatize_type_sizes,
461 gimplify_type_sizes): Likewise.
462 * explow.c (promote_mode): Likewise.
463 * tree-sra.c (is_sra_scalar_type): Likewise.
464 * varasm.c (output_constant): Likewise.
465 * tree-inline.c (remap_type_1): Likewise.
466 * convert.c (convert_to_pointer, convert_to_real,
467 convert_to_integer, convert_to_complex): Likewise.
469 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
471 * df-scan.c (df_def_record_1): A set destination may
472 be a parallel regardless of mode.
474 2006-02-08 Roger Sayle <roger@eyesopen.com>
477 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
478 * config/mips/_tilib.c: Remove.
479 * config/fixtfdi.c: New libgcc source file.
480 * config/fixunstfdi.c: New source file.
481 * config/floatditf.c: New source file.
482 * config/floatunditf.c: New souce file.
483 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
484 files above instead of config/mips/_tilib.c.
485 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
487 2006-02-08 Jeff Law <law@redhat.com>
489 PR tree-optimization/26169
490 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
493 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
495 * df.h (DF_REG_SIZE): Return the length of the initialized
498 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
500 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
501 __muldf3): Return a correctly signed zero.
503 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
505 * passes.c (register_one_dump_file): Accept the current properties
506 instead of pass number. Adjust call to dump_register. Remove
508 (register_dump_files): Now a wrapper around...
509 (register_dump_files_1): ... this one. Do not modify the pass
511 (next_pass_1): Cosmetic fix.
512 (execute_todo): Keep second parameter only. Use curr_properties
513 instead of fetching it from the pass structure. Check and set
515 (execute_one_pass): Handle TODO_set_props. Use curr_properties
516 instead of fetching it from the pass structure. Fix calls to
517 execute_todo. Update curr_properties and initialize .vcg RTL dump
518 after running the pass. Reset last_verified.
519 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
521 (FIRST_AUTO_NUMBERED_DUMP): New.
522 (dump_register): Remove "num" parameter, assign it within the
524 (get_dump_file_name): Modify template for dumps.
525 * tree-dump.h (dump_register): Adjust prototype.
526 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
527 (PROP_trees): Add PROP_gimple_lomp.
528 (TODO_set_props): New.
529 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
530 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
531 * cfgexpand.c (pass_expand): Destroy PROP_trees.
533 2006-02-08 Jakub Jelinek <jakub@redhat.com>
535 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
536 (sparc64-*-linux*): Likewise.
537 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
538 * config/sparc/t-linux: New file.
539 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
540 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
541 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
542 -m32 -mlong-double-128.
544 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
545 * config/alpha/t-linux: New file.
546 * config/alpha/libgcc-alpha-ldbl.ver: New file.
548 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
549 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
550 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
551 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
552 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
553 (CPP_ARCH32_SPEC): Remove.
555 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
557 PR tree-optimization/26145
558 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
561 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
564 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
565 >= 240000 when generating code for SOM runtime.
566 (output_indirect_call): Don't use "b,l" instruction for indirect calls
567 to $$dyncall when generating code for SOM runtime..
569 2006-02-07 Dirk Mueller <dmueller@suse.com>
572 * doc/invoke.texi (-Wsequence-point): Update documentation
573 that -Wsequence-point is implemented for C++ as well.
575 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
577 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
578 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
579 (LIB_SPEC): Likewise.
580 * doc/invoke.texi (SPARC options): Document -pthread.
582 2006-02-07 Geoffrey Keating <geoffk@apple.com>
584 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
587 2006-02-07 Roger Sayle <roger@eyesopen.com>
589 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
590 Correct comment describing BOOLEAN_TYPE.
592 2006-02-07 Dirk Mueller <dmueller@suse.com>
594 * c.opt: C++ frontend supports -Wdiv-by-zero.
595 * c-opts.c (c_common_handle_option): Remove dead case.
597 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
599 * configure.ac (TLS assembler check): Do not enable TLS by
600 default on SPARC/Solaris before version 10.
601 * configure: Regenerate.
603 2006-02-07 David Edelsohn <edelsohn@gnu.org>
605 * doc/invoke.texi (xl-compat): Document conversion and support
608 2006-02-07 Jeff Law <law@redhat.com>
610 * tree-vrp.c (find_conditional_asserts): Update comments.
611 (simplify_stmt_for_jump_threading): New.
612 (identify_jump_threads, finalize_jump_threads): New.
613 (vrp_finalize): Call identify_jump_threads.
614 (execute_vrp): Call finalize_jump_threads.
615 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
616 (vrp_element, vrp_data, vrp_element_p): Remove.
617 (vrp_hash_elt, vrp_variables_stack): Remove.
618 (vrp_hash, vrp_eq, record_range): Remove.
619 (simplify_cond_and_lookup_avail_expr): Remove.
620 (extract_range_from_cond): Remove.
621 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
622 (simplify_stmt_for_jump_threading): New.
623 (dom_thread_across_edge): New wrapper.
624 (tree_ssa_dominator_optimize): No longer initialize or
625 finalize any of the VRP datastructures. Remove iteration
626 step and simplify as a result of removal of iteration step.
627 (pass_dominator): Perform a cfg cleanup after DOM.
628 (dom_opt_finalize_block): Use the new common routines
629 for threading jumps. Simplify stack management slightly.
630 No longer need to unwind VRP state.
631 (record_equivalences_from_incoming_edge): No longer record
633 (eliminate_redundant_computations): No longer call
634 simplify_cond_and_lookup_avail_expr.
635 * tree-flow.h (potentially_threadable_block): Prototype.
636 (thread_across_edge): Likewise.
637 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
638 (tree-ssa-threadedge.o): Add dependencies.
639 * tree-ssa-threadedge.c: New file.
640 * passes.c (init_optimization_passes): Merge PHIs before
641 calling VRP. Run VRP again late in the SSA optimization pipeline.
643 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
645 * df-core.c (df_set_blocks): Do not dereference function pointers.
646 (df_finish1): Likewise.
647 (df_hybrid_search_forward): Likewise.
648 (df_hybrid_search_backward): Likewise.
649 (df_iterative_dataflow): Likewise.
650 (df_analyze_problem): Likewise.
651 (df_compact_blocks): Likewise.
653 * df-scan.c (df_rescan_blocks): Likewise.
654 (df_record_entry_block_defs): Likewise.
656 * genconditions.c (write_conditions): Guard the definition of
657 'insn_conditions' with the check on GCC version.
658 (write_writer): Guard the traversal 'insn_conditions' with
659 the check on GCC version.
661 2006-02-07 Richard Guenther <rguenther@suse.de>
665 2006-01-30 Richard Guenther <rguenther@suse.de>
667 * gimplify.c (gimplify_target_expr): Handle easy cases
668 without creating a temporary.
670 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
672 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
673 use of float in probability computations. Use edge probabilities
674 in place of statically computed probabilities.
675 (min_spec_prob): New static variable.
676 (schedule_insns): Initialize it.
677 (GET_SRC_PROB): Removed.
678 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
680 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
683 * config/ia64/unwind-ia64.c: Revert last change.
684 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
685 (INCOMING_FRAME_SP_OFFSET): Define.
687 2006-02-06 Roger Sayle <roger@eyesopen.com>
689 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
691 2006-02-07 Ben Elliston <bje@au.ibm.com>
693 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
694 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
695 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
696 (ix86_return_in_memory): Handle TDmode.
697 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
698 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
700 2006-02-06 Richard Sandiford <richard@codesourcery.com>
702 * reorg.c (dbr_schedule): Use dump_file instead of file.
704 2006-02-06 Steve Ellcey <sje@cup.hp.com>
707 * config/ia64/predicates.md (extr_len_operand): New predicate.
708 * config/ia64/ia64.md (extv): Tighten constraints.
710 (*tbit_and_2): Ditto.
711 (*tbit_and_3): Ditto.
717 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
720 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
722 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
724 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
725 loop_optimizer_init and loop_optimizer_finalize
726 * tree-ssa-sink.c (execute_sink_code): Ditto.
727 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
728 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
729 tree_ssa_loop_done): Ditto.
730 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
731 * sched-ebb.c: Include output.h.
732 (schedule_ebbs): Do not use dump argument.
733 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
734 * loop.c (loop_dump_stream): Removed.
735 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
737 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
738 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
739 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
740 loop_iterations, strength_reduce, record_biv, record_giv,
741 final_giv_value, check_final_value, check_ext_dependent_givs,
742 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
743 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
744 dump_file instead of loop_dump_stream.
745 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
747 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
749 * flow.c (life_analysis, rest_of_handle_life): Ditto.
750 * haifa-sched.c: Include output.h
751 (schedule_insns, sched_init): Do not use dump argument.
752 * mode-switching.c (optimize_mode_switching): Ditto.
753 * modulo-sched.c (stats_file): Removed.
754 (print_node_sched_params): Do not call argument dump_file.
755 (sms_schedule_by_order, loop_canon_p, sms_schedule,
756 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
758 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
760 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
761 rtl_loop_init, rtl_loop_done): Ditto.
762 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
763 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
765 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
766 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
767 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
768 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
769 * emit-rtl.c (renumber_insns): Ditto.
770 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
771 expand_gimple_basic_block, tree_expand_cfg): Ditto.
772 * regclass.c (regclass): Ditto.
773 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
774 remove_ssa_form, rewrite_out_of_ssa): Ditto.
775 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
776 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
778 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
779 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
781 * gcse.c (gcse_file, debug_stderr): Removed.
782 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
783 rest_of_handle_gcse): Do not use dump argument.
784 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
785 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
786 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
787 compute_code_hoist_vbeinout, compute_code_hoist_data,
788 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
789 compute_store_table, build_store_vectors, insert_insn_start_bb,
790 insert_store, remove_reachable_equiv_notes, replace_store_insn,
791 store_motion): Use dump_file instead of gcse_file.
792 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
793 * profile.c (profile_dump_file): Removed.
794 (branch_prob): Use dump_file instead of profile_dump_file.
795 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
797 * tree-ssa-copy.c (dump_copy_of): Ditto.
798 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
799 dump file to life_analysis.
800 * bt-load.c (branch_target_load_optimize): Ditto.
801 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
803 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
804 regclass, dbr_schedule): Declaration changed.
805 * sched-int.h (sched_init): Declaration changed.
806 * tree-profile.c (tree_profile_dump_file): Removed.
807 (tree_profile_hooks): Removed profile_dump_file hook.
808 * rtl-profile (rtl_profile_dump_file): Removed.
809 (rtl_profile_hooks): emoved profile_dump_file hook.
810 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
812 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
813 * tree-cfg.c (build_tree_cfg): Ditto.
814 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
815 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
817 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
818 life_analysis and schedule_insns.
819 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
821 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
823 * config/mips/mips.c (mips_reorg): Ditto.
824 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
827 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
829 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
830 (s390_mangle_fundamental_type): New.
831 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
834 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
835 (alpha_mangle_fundamental_type): New.
836 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
839 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
841 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
843 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
844 (sparc_mangle_fundamental_type): New.
846 2006-02-06 Jakub Jelinek <jakub@redhat.com>
848 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
849 (s390x-*-linux*): Likewise.
850 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
851 * config/s390/t-linux: New file.
853 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
855 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
856 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
858 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
860 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
861 (ANTIC_SAFE_LOADS): New macro.
862 (find_or_generate_expression): Add prototype.
863 (set_contains_value): Allow null set for sake of not always having
864 to allocate ANTIC_SAFE_LOADS.
865 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
866 Allow COMPONENT_REF too.
867 (valid_in_set): Allow COMPONENT_REF.
868 Check ANTIC_SAFE_LOADS too.
869 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
870 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
872 (can_PRE_operation): Add COMPONENT_REF.
873 (create_component_ref_by_pieces): New function.
874 (create_expression_by_pieces): Use create_component_ref_by_pieces.
875 (insert_aux): Move AGGREGATE_TYPE_P check here.
876 (compute_avail): Set bb local stmt uids.
877 (pass_pre): Use TODO_update_ssa_only_virtuals.
879 2006-02-06 Ben Elliston <bje@au.ibm.com>
881 * configure.ac: Unconditionally disable decimal float by default.
882 * configure: Regenerate.
884 2006-02-06 Ben Elliston <bje@au.ibm.com>
886 * read-rtl.c (read_name): Terminate reading on EOF.
888 2006-02-06 Ben Elliston <bje@au.ibm.com>
890 * dfp.c (decimal_real_arithmetic): Change second argument type
891 from int to enum tree_code. Do not always return true, but now
892 return result of any call to decimal_do helper functions.
893 * dfp.h (decimal_real_arithmetic): Update prototype.
895 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
897 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
899 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
902 * tree-cfg.c (cleanup_dead_labels): Also don't remove
905 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
907 * tree-vrp.c (cfg_loops): Removed.
908 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
909 Use current_loops instead of cfg_loops. Pass flags to
911 * cfgloopmanip.c (fix_loop_structure): Update only available
913 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
915 * modulo-sched.c (build_loops_structure): Removed.
916 (sms_schedule): Use loop_optimizer_init.
917 * loop-init.c (loop_optimizer_init): Use flags to determine
918 which properties of loops to prepare.
919 (rtl_loop_init): Pass flags to loop_optimizer_init.
920 * tree-ssa-sink.c (execute_sink_code): Ditto.
921 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
922 * tree-ssa-pre.c (init_pre): Ditto.
923 * cfgloop.h (LOOPS_NORMAL): New.
924 (loop_optimizer_init): Declaration changed.
926 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
928 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
929 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
931 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
933 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
935 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
936 * pa/t-pa64: Delete quadlib.c rule.
937 * pa/x-ada: Revert last change.
938 * pa/t-pa: Revert last change. Delete quadlib.c rule.
940 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
942 PR rtl-optimization/26087
943 * rtlanal.c (canonicalize_condition): Do not cross basic block
946 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
949 * config/ia64/ia64.c: Include debug.h.
950 (MAX_ARTIFICIAL_LABEL_BYTES): New.
951 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
952 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
953 (process_epilogue, process_set, process_for_unwind_directive):
954 Output unwind info only if requested. Add CFA info if requested.
955 Add new arguments as needed. Adjust callers.
956 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
958 (DWARF2_FRAME_INFO): Define to zero.
959 * config/ia64/unwind-ia64.c: Remove code that compensated for
960 the CFA offset error fixed above.
961 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
962 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
963 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
964 -funwind-tables and -fexceptions to enable frame info.
965 (dwarf2out_frame_init): Define initial CFA even if
966 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
967 DWARF2_UNWIND_INFO is nonzero, not just defined.
968 (dwarf2out_frame_finish): Output non-EH call frame info only
969 if DWARF2_FRAME_INFO is nonzero.
970 (convert_cfa_to_loc_list,
971 compute_frame_pointer_to_cfa_displacement): Define even if
972 unwind info is not supported.
973 (gen_subprogram_die): Use the above unconditionally. Remove
974 legacy alternate code.
975 * toplev.c (compile_file): Compile in call to
976 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
977 (lang_dependent_init): Ditto for dwarf2out_frame_init.
979 2006-02-04 David Edelsohn <edelsohn@gnu.org>
980 Jakub Jelinek <jakub@redhat.com>
982 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
983 IBM extended float format long double as "g" on powerpc*-linux.
985 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
988 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
989 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
991 2006-02-03 Jason Merrill <jason@redhat.com>
994 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
997 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
998 on the return slot if it's an NRV.
1000 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1002 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1003 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1004 rewrite_use): Do not handle USE_OUTER.
1005 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1006 add_iv_outer_candidates, may_replace_final_value,
1007 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1008 (find_interesting_uses_op): Functionality of
1009 find_interesting_uses_outer_or_nonlin moved here.
1010 (find_interesting_uses_outside): Use find_interesting_uses_op.
1012 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1015 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1017 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1018 Ulrich Weigand <uweigand@de.ibm.com>
1021 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1022 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1023 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1024 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1026 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1027 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1028 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1029 Define secondary reloads for TFmode moves.
1030 (constant_modes): Add TFmode.
1031 (NR_C_MODES): Set to 8.
1032 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1034 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1035 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1036 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1037 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1038 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1039 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1040 (FPR mode macro): Add TFmode.
1041 (DSF mode macro): New.
1042 (<de>, <dee> mode attributes): Removed.
1043 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1044 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1045 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1046 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1047 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1048 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1049 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1050 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1051 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1052 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1053 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1054 "*negabs<mode>2", "sqrt<mode>2"):
1055 Changed <de> to <xde>. R constraint replaced by <Rf>.
1056 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1058 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1059 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1060 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1062 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1063 "extenddftf2", "extendsftf2"): New expanders.
1064 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1065 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1066 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1067 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1069 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1070 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1071 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1072 __floatditf): Add a GCC_4.1.0 symbol version tag.
1073 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1076 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1079 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1080 Use targetm.binds_local_p instead of TREE_PUBLIC.
1082 2006-02-02 Roger Sayle <roger@eyesopen.com>
1084 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1085 on INTEGER_TYPEs to indicate that it denotes a character type.
1086 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1087 signed_char_type_node, unsigned_char_type_node and char_type_node.
1088 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1089 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1090 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1092 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1093 Daniel Berlin <dberlin@dberlin.org>
1095 * tree-tailcall.c (arg_needs_copy_p): New function.
1096 (eliminate_tail_call): Use arg_needs_copy_p.
1097 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1098 (add_virtual_phis): New function.
1100 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1102 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1103 #ignore instead of #scratch for %g7 .register directive.
1105 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1107 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1110 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1112 * flow.c (calculate_global_regs_live): Assert that there aren't any
1115 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1117 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1119 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1120 bsi_after_labels iterator.
1121 * tree-if-conv.c (find_phi_replacement_condition,
1122 replace_phi_with_cond_modify_expr): Likewise.
1123 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1124 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1126 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1128 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1130 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1133 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1134 array after growing it.
1136 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1139 * fold-const.c (fold_checksum_tree): Change type of buf.
1141 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1143 * reload.c (push_secondary_reload): Initialize t_icode.
1145 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1147 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1148 -msoft-float -mlong-double-128 only issue a warning, but don't
1149 swich to DFmode long double.
1151 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1153 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1154 has a constant equivalent, iterate over equivalents for arg0,
1155 calling simplify_relational_operation and if there's a result
1156 cheaper than X, apply fold_rtx and return the result.
1158 2006-02-01 Jan Hubicka <jh@suse.cz>
1160 * opts.c (no_unit_at_a_time_default): New global variable.
1161 (decode_options): Use it.
1162 * opts.h (no_unit_at_a_time_default): Declare.
1164 2006-02-01 Paul Brook <paul@codesourcery.com>
1166 * function.c (assign_parm_setup_reg): Use function argument promotion
1168 * expr.c (expand_expr_real_1): Use function argument promotion rules
1171 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1173 * gcc.c (process_command): Change j to 'unsigned int'.
1175 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1178 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1179 Use the corrected index for the character
1180 out of the string constant.
1182 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1184 * mode-switching.c (optimize_mode_switching): Fix size
1185 allocated for bb_info[n_entities].
1187 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1189 * gcc.c (main): Correct type that is allocated for
1190 explicit_link_files.
1192 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1194 * config/s390/s390.c (init_alignment_context): Set
1195 ALIAS_SET_MEMORY_BARRIER on the MEM.
1196 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1198 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1201 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1203 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1206 2006-01-31 Marcin Dalecki <martin@dalecki.de>
1208 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1209 * regrename.c: Ditto.
1210 * tree-ssa-loop-im.c: Ditto.
1211 * tree-dump.c: Ditto.
1212 * tree-complex.c: Ditto.
1213 * genrecog.c: Ditto.
1214 * tree-ssa-threadupdate.c: Ditto.
1216 * java/class.c: Ditto.
1217 * java/jcf-parse.c: Ditto.
1218 * java/resource.c: Ditto.
1219 * java/except.c: Ditto.
1220 * java/jvspec.c: Ditto.
1221 * java/jcf-write.c: Ditto.
1222 * java/jcf-path.c: Ditto.
1223 * java/gjavah.c: Ditto.
1224 * java/zextract.c: Ditto.
1225 * java/jcf-io.c: Ditto.
1226 * java/jcf.h: Ditto.
1227 * java/buffer.c: Ditto.
1228 * java/lang.c: Ditto.
1229 * java/parse-scan.y: Ditto.
1230 * java/lex.c: Ditto.
1231 * java/lex.h: Ditto.
1232 * cfgloopmanip.c: Ditto.
1233 * postreload-gcse.c: Ditto.
1234 * tree-ssa-loop-manip.c: Ditto.
1235 * postreload.c: Ditto.
1236 * tree-ssa-loop-ch.c: Ditto.
1240 * diagnostic.c: Ditto.
1242 * genoutput.c: Ditto.
1244 * cfghooks.c: Ditto.
1245 * cfgloopanal.c: Ditto.
1246 * objc/objc-act.c: Ditto.
1248 * genextract.c: Ditto.
1249 * genautomata.c: Ditto.
1250 * pretty-print.c: Ditto.
1252 * cgraphunit.c: Ditto.
1255 * haifa-sched.c: Ditto.
1256 * dominance.c: Ditto.
1258 * tree-ssa-loop-ivopts.c: Ditto.
1260 * mode-switching.c: Ditto.
1261 * modulo-sched.c: Ditto.
1263 * ipa-pure-const.c: Ditto.
1265 * fix-header.c: Ditto.
1267 * tree-stdarg.c: Ditto.
1268 * ipa-utils.c: Ditto.
1269 * loop-init.c: Ditto.
1270 * ipa-inline.c: Ditto.
1273 * alloc-pool.c: Ditto.
1274 * dwarf2out.c: Ditto.
1276 * genattrtab.c: Ditto.
1277 * tree-ssa-loop-ivcanon.c: Ditto.
1281 * fortran/gfortranspec.c: Ditto.
1283 * local-alloc.c: Ditto.
1284 * langhooks.c: Ditto.
1285 * function.c: Ditto.
1286 * tree-vectorizer.c: Ditto.
1288 * ipa-type-escape.c: Ditto.
1290 * tree-if-conv.c: Ditto.
1293 * tree-data-ref.c: Ditto.
1294 * loop-unroll.c: Ditto.
1295 * treelang/treetree.c: Ditto.
1298 * ggc-common.c: Ditto.
1300 * coverage.c: Ditto.
1302 * tree-cfgcleanup.c: Ditto.
1303 * tree-ssa-pre.c: Ditto.
1304 * cfgcleanup.c: Ditto.
1305 * loop-invariant.c: Ditto.
1307 * ipa-prop.c: Ditto.
1308 * print-tree.c: Ditto.
1309 * conflict.c: Ditto.
1310 * ggc-page.c: Ditto.
1311 * sched-deps.c: Ditto.
1312 * regclass.c: Ditto.
1313 * tree-object-size.c: Ditto.
1315 * bb-reorder.c: Ditto.
1316 * resource.c: Ditto.
1317 * var-tracking.c: Ditto.
1319 * df-problems.c: Ditto.
1320 * reg-stack.c: Ditto.
1323 * sched-rgn.c: Ditto.
1324 * tree-ssa-structalias.c: Ditto.
1325 * tree-ssa-reassoc.c: Ditto.
1326 * config/darwin-c.c: Ditto.
1327 * config/darwin.c: Ditto.
1328 * config/arm/arm.c: Ditto.
1330 * collect2.c: Ditto.
1333 2006-01-31 Nicolas Pitre <nico@cam.org>
1335 * arm.md (smaxsi3): Make aware of smax_m1.
1338 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
1340 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1342 2006-01-31 Richard Guenther <rguenther@suse.de>
1344 * doc/invoke.texi (-msselibm): Document.
1345 * target.h (expand_library_builtin): New target hook.
1346 * builtins.c (expand_builtin): Use expand_library_builtin.
1347 (default_expand_library_builtin): New function.
1348 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1349 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1350 (link_gcc_math_spec): Declare.
1351 (static_specs): Add link_gcc_math_spec.
1352 * expr.h (default_expand_library_builtin): Declare.
1353 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1354 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1355 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1356 * config/i386/i386.opt (msselibm): New target option.
1357 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1358 (ix86_init_sse_abi_builtins): New function.
1359 (ix86_expand_library_builtin): Likewise.
1360 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1361 (override_options): Handle error conditions wrt -msselibm.
1362 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1363 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1364 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1367 2006-01-31 Richard Guenther <rguenther@suse.de>
1368 Paolo Bonzini <bonzini@gnu.org>
1370 * doc/install.texi (--disable-libgcc-math): Document.
1372 2006-01-30 Marcin Dalecki <martin@dalecki.de>
1374 * expr.h (expand_normal): new inline function.
1375 * builtins.c: use it, use EXPAND_NORMAL explicitely.
1377 * dwarf2out.c: use it.
1382 * config/sparc/sparc.c: use it.
1383 * config/i386/i386.c: use it.
1384 * config/rs6000/rs6000.c: use it.
1385 * config/arm/arm.c: use it.
1386 * config/mips/mips.c: use it.
1387 * stmt.c: use it, use EXPAND_NORMAL explicitely.
1389 2006-01-30 Roger Sayle <roger@eyesopen.com>
1391 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1392 argv to the appropriate type.
1394 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
1396 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1399 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
1402 * config/s390/s390.c (struct machine_function): New flag
1403 decomposed_literal_pool_addresses_ok_p.
1404 (s390_reorg): Set it before final stage of literal pool transforms.
1405 (s390_decompose_address): Only accept displacements of the form
1406 (minus (label_ref ...) (label_ref ...)) if that flag is set.
1408 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
1410 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1411 the comparison routine return.
1413 2006-01-30 Michael Matz <matz@suse.de>
1415 * global.c (find_reg): Only evict for global regs.
1416 Take n_refs into account and dump more info.
1418 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
1421 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1422 (pragma_trap, pragma_nosave_low_regs): Likewise.
1423 (current_function_anonymous_args): Likewise.
1424 (sh_deferred_function_attributes): New variable.
1425 (sh_deferred_function_attributes_tail): Likewise.
1426 (print_operand): For '@', look up trap_exit attribute.
1427 (calc_live_regs): Look up trapa_handler attribute. For trapa
1428 handlers, save/restore fpscr, but don't do any other
1429 interrupt-specific saves.
1430 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1431 Fix check for partially saved registers to check for SHmedia.
1432 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1433 (sh_output_function_epilogue): Don't clear any of the removed
1435 (sh_insert_attributes): Don't check pragma_interrupt.
1436 Insert deferred attributes. Check that interrupt attribute is
1437 present for other attributes that require its presence.
1438 (sh_attribute_table): Add new attributes trapa_handler and
1440 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1441 Don't check for pragma_interrupt. Don't store argument.
1442 * sh.h (pragma_interrupt, sp_switch): Don't declare.
1443 (sh_deferred_function_attributes): Declare.
1444 (sh_deferred_function_attributes_tail): Likewise.
1445 * sh.md (sp_switch_1): Add operand. Change generator caller.
1446 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1447 (*return_i): Don't use when trap_exit attribute is in effect.
1448 (*return_trapa): New insn pattern.
1450 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1451 setting c_target_objs and cxx_target_objs.
1452 * t-sh: Add rule for sh-c.o.
1454 2006-01-30 Richard Guenther <rguenther@suse.de>
1457 * gimplify.c (gimplify_target_expr): Handle easy cases
1458 without creating a temporary.
1460 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
1462 * vec.h (safe_grow): Remove duplicated line.
1464 2006-01-29 Diego Novillo <dnovillo@redhat.com>
1467 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1468 (expand_omp): ... here.
1469 (expand_omp_parallel): Only remove barriers for combined
1470 parallel+workshare constructs.
1472 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
1476 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1477 * tree.c (build_qualified_type): Chain the new type to the original
1478 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1479 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1480 (build_pointer_type_for_mode): Only return unqualified types.
1481 (build_reference_type_for_mode): Likewise.
1483 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
1485 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1486 * Makefile.in (CXX_COMPAT_WARN): Define.
1487 * configure: Regenerate.
1489 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
1492 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1495 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1497 * toplev.c: Fix thinko.
1499 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1500 Marcin Dalecki <martin@dalecki.de>
1502 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1503 (push_srcloc): Use XNEW.
1504 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1506 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1508 * df-core.c (df_set_blocks): Deleted all variable.
1510 2006-01-28 Ian Lance Taylor <ian@airs.com>
1512 * cgraphunit.c (cgraph_assemble_pending_functions): Call
1513 cgraph_output_pending_asms.
1515 2006-01-28 Zack Weinberg <zackw@panix.com>
1517 * c.opt: Add -W(no-)overlength-strings.
1518 * doc/invoke.texi: Document it.
1519 * c-opts.c (c_common_handle_option): -pedantic implies
1520 -Woverlength-strings, if not explicitly disabled already.
1521 (c_common_post_options): -Woverlength-strings defaults to off, and
1522 is always off for C++.
1523 * c-common.c (fix_string_type): Issue warning about strings longer
1524 than is portable only if warn_overlength_strings. Rearrange code
1525 a little for clarity.
1526 * configure.in: Check for -Wno-overlength-strings as well before
1527 enabling -pedantic in stage 1.
1528 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1529 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1531 * genconditions.c (write_header, write_one_condition)
1532 (write_conditions, write_writer): Consolidate very long strings
1533 that were broken up to fit in C89 portable limit. Don't use
1534 printf when fputs will do.
1536 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
1538 * combine.c (simplify_comparison <AND>): Check
1539 TRULY_NOOP_TRUNCATION before start using a subreg.
1541 * config/mips/mips.md (*branch_zero<mode>,
1542 *branch_zero<mode>_inverted, *branch_equality<mode>,
1543 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1544 Remove mode check from comparisons.
1546 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
1548 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1550 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1552 * expmed.c (const_mult_add_overflow_p): Remove.
1553 * expr.h: Remove the prototype for const_mult_add_overflow_p.
1555 * recog.c (validate_replace_rtx_subexp): Remove.
1556 * recog.h: Remove the prototype for
1557 validate_replace_rtx_subexp.
1559 * integrate.h: Remove the prototype for
1560 copy_decl_for_inlining.
1561 * rtl.h: Remove the prototype for mark_constant_function.
1562 * tree-vectorizer.h: Remove the prototype for
1563 vect_strip_conversion.
1565 * modulo-sched.c (create_partial_schedule,
1566 free_partial_schedule, reset_partial_schedule): Make them
1569 * hooks.c (hook_bool_rtx_int_false): Remove.
1570 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1572 2006-01-28 David Edelsohn <edelsohn@gnu.org>
1574 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1575 and -mlong-double-128 are incompatible.
1576 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1577 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1578 (TARGET_LIBGCC2_CFLAGS): Define.
1579 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1580 (TARGET_LIBGCC2_CFLAGS): Same.
1581 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1583 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1586 * c-typeck.c (build_binary_op): Perform implicit casts of
1587 operands before shortening them.
1589 * cfgloopmanip.c (split_loop_bb): Remove.
1590 * cfgloop.h: Remove the prototype for split_loop_bb.
1592 * cfgloop.c (flow_loop_outside_edge_p): Remove.
1593 * cfgloop.h: Remove the prototype for
1594 flow_loop_outside_edge_p.
1596 * emit-rtl.c (init_virtual_regs): Make it static.
1597 * function.h: Remove the prototype for init_virtual_regs.
1599 * recog.c (peephole2_optimize): Make it static.
1600 * recog.h: Remove the prototype for peephole2_optimize.
1602 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1604 * df-scan.c (df_record_entry_block_defs): Check if
1605 INCOMING_RETURN_ADDR_RTX is defined.
1607 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
1608 Kenneth Zadeck <zadeck@naturalbridge.com>
1610 PR rtl-optimization/24762
1611 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1612 * targhooks.c (hook_void_bitmap): New hook prototype.
1613 * targhoohs.h (hook_void_bitmap): Ditto.
1614 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1615 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1616 * target.h (live_on_entry): New function pointer.
1617 * df-scan.c (df_all_hard_regs): Removed.
1618 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1619 (df_scan_free_internal): Added df->entry_block_defs.
1620 (df_scan_alloc): Ditto.
1621 (df_scan_dump): Ditto.
1622 (df_uses_record): Plumbed flag field properly thru calls.
1623 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1624 This part fixes PR24762.
1625 (df_bb_refs_record): Added code to make the frame and arg
1626 pointers live in EH blocks.
1627 (df_refs_record): Added call to df_record_entry_block_defs.
1628 (df_record_entry_block_defs): New function.
1629 * df-core.c: Added comments to describe new artifical defs.
1630 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1631 (entry_block_defs): New field in struct df.
1632 (df_all_hard_regs): Deleted.
1633 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1634 * df-problems.c (df_ru_bb_local_compute_process_def):
1635 Added code to handle artifical defs in the entry to a function.
1636 (df_ru_bb_local_compute): Ditto.
1637 (df_rd_bb_local_compute_process_def): Ditto.
1638 (df_rd_bb_local_compute): Ditto.
1639 (df_lr_bb_local_compute): Ditto.
1640 (df_ur_bb_local_compute): Ditto.
1641 (df_urec_bb_local_compute): Ditto.
1642 (df_chain_create_bb): Ditto.
1643 (df_ur_local_finalize): Removed entry.
1644 (df_urec_init): Ditto.
1645 (df_urec_local_finalize): Ditto.
1646 (df_ri_bb_compute): Added detection of last use of pseudos.
1647 * Makefile.in (df-scan.o): Updated dependencies.
1648 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1649 * config/mips/mips.c (mips_set_live_on_entry): Added.
1650 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1652 * dce.c (marked_insn_p): Added code to handle artifical defs.
1654 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1656 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1658 (_mm_cvtsi128_si64): Likewise.
1659 (_mm_cvtsd_si64): Likewise.
1660 (_mm_cvttsd_si64): Likewise.
1661 (_mm_cvtsi64_sd): Likewise.
1662 (_mm_cvtsi64_si128): Likewise.
1663 * config/i386/mmintrin.h (_m_from_int64): Likewise.
1664 (_mm_cvtsi64_m64): Likewise.
1665 (_m_to_int64): Likewise.
1666 (_mm_cvtm64_si64): Likewise.
1667 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1668 (_mm_cvttss_si64): Likewise.
1669 (_mm_cvtsi64_ss): Likewise.
1670 (_mm_cvtss_f32): Likewise.
1672 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
1674 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1675 for pragma redefine_extname.
1677 2006-01-27 Jakub Jelinek <jakub@redhat.com>
1680 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1681 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1682 -mno-minimal-toc to previous content.
1683 (bispecs): Remove goal.
1684 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1685 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1686 compatibility aliases on powerpc-*-*gnu*.
1687 * config/rs6000/libgcc-ppc-glibc.ver: New file.
1688 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1689 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1690 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1691 (ldblspecs): New goal.
1692 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1693 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1695 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1696 L_sf_to_tf or L_df_to_tf is defined.
1698 2006-01-27 David Edelsohn <edelsohn@gnu.org>
1699 Alan Modra <amodra@bigpond.net.au>
1702 * config/rs6000/linux.h (POWERPC_LINUX): Define.
1703 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1704 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1705 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1706 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1707 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
1708 (rs6000_override_options): Initialize rs6000_ieeequad.
1709 Initialize TFmode format to ibm_extended_format if not
1711 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
1713 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
1714 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
1715 (function_arg_advance): IBM long double passed in two FPRs, not
1717 (function_arg): IBM long double passed in FPRs.
1718 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
1719 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
1720 Only multireg GPR aligned.
1721 (rs6000_init_libfuncs): Enable IBM long double functions if not
1723 (rs6000_generate_compare): Use IBM long double compare if not
1725 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
1726 (TARGET_IEEEQUAD): Define.
1727 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
1728 not TARGET_IEEEQUAD.
1729 * config/rs6000/rs6000.md: Enable TFmode patterns if
1731 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
1732 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1733 and -mlong-double-128 are incompatible.
1734 * doc/invoke.texi (-mabi): Collect options together. Add
1735 ibmlongdouble and ieeelongdouble.
1737 2006-01-27 Richard Sandiford <richard@codesourcery.com>
1739 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
1741 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
1742 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
1743 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
1744 * rtl.h (rtunion_def): Remove rt_ptr.
1746 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
1747 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
1748 * config/i386/winnt.c (i386_pe_mark_dllexport)
1749 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
1751 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
1753 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
1755 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1759 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
1760 pthread_key_delete. From John David Anglin. gthrw-ify
1761 pthread_getunique_np only if it it's not a macro. Delete
1763 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
1764 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
1765 __gthread_objc_condition_signal, __gthread_key_delete): Add
1766 "__attribute__ ((__unused__))" to unused arguments.
1767 (__gthread_recursive_mutex_init_function): Add missing return.
1768 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
1769 gthr-posix95.h: Use macro-based approach for name redirection
1770 on targets missing weakref.
1772 2006-01-26 Zack Weinberg <zackw@panix.com>
1774 * genconditions.c (write_header): In generated code, #ifdef out
1775 all includes and fake declarations, except includes of bconfig.h
1776 and system.h, unless GCC_VERSION >= 3001. Do not include
1777 gensupport.h in any case.
1778 (write_conditions): Generate a definition of struct c_test. Add
1779 a comment to the generated #endif.
1780 (write_one_condition): Escape backslashes in string too.
1781 (write_writer): Generated code must escape backslashes and quote
1782 marks (but not newlines) in the strings it writes.
1783 * Makefile.in (build/gencondmd.o): Update dependencies.
1785 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1788 * Makefile.in (insn-automata.o): Add header file dependencies.
1789 * genautomata.c: Add includes.
1791 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1794 * Makefile.in (insn-automata.o): Add -Wno-error flag.
1796 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1798 * configure.ac: Expect target tools paths to be passed from the toplevel
1799 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
1801 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
1803 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1806 * c.opt (Wpointer-sign): Init to -1.
1807 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
1808 OPT_pedantic, to 0 otherwise.
1809 * doc/invoke.texi: Update.
1811 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1813 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
1814 constants provided by 80387 instructions in the destination mode.
1816 2006-01-26 Richard Guenther <rguenther@suse.de>
1817 Andrew Pinski <pinskia@physics.uc.edu>
1820 partial PR tree-opt/17064
1821 * tree-ssa-structalias.c (intra_create_variable_infos):
1822 Create heap variables for incoming parameters if
1823 flag_argument_noalias > 1.
1824 (find_what_p_points_to): Look through default defs of
1827 2006-01-26 Jeff Law <law@redhat.com>
1830 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
1831 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
1832 within the VR_RANGE, use the VR_RANGE as the result, not the
1834 (adjust_range_with_scev): Reject ranges from SCEV which are out of
1835 bounds for the type.
1837 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
1839 * tree-ssa-alias.c (maybe_create_global_var): Change
1840 subvar walking to an assertion that we don't have subvar'd variables.
1842 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
1845 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1846 Use a new variable, inner. PARM_DECLs are always non-weak.
1848 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
1850 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1853 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
1855 * config/mips/mips.md (*clear_upper32): New combiner pattern.
1857 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
1859 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1860 (smax_insn, smin_insn, smax_0, smin_0): New.
1862 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
1865 * config/cris/cris.c (cris_order_for_addsi3): New function.
1866 * config/cris/cris-protos.h: Prototype it.
1867 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1868 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1869 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1870 (split for "op.S1 [rx=rx+i],ry (swapped)")
1871 (split for "op(s|u).S1 [rx=rx+i],ry")
1872 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1873 Apply cris_order_for_addsi3 when generating addsi3 insns.
1875 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1877 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1878 (TREE_BLOCK): Add call to EXPR_CHECK.
1880 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1883 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1884 * tree-pretty-print.c (dump_omp_clause): Extract from ...
1885 (dump_omp_clauses): ... here.
1886 (dump_generic_node): Handle OMP_CLAUSE.
1887 * tree.c (omp_clause_num_ops): New.
1888 (omp_clause_code_name): New.
1889 (tree_code_size): Handle OMP_CLAUSE.
1890 (tree_size): Likewise.
1891 (make_node): Document handling of OMP_CLAUSE.
1892 (tree_node_structure): Handle OMP_CLAUSE.
1893 (omp_clause_check_failed): New.
1894 (omp_clause_range_check_failed): New.
1895 (omp_clause_operand_check_failed): New.
1896 (build_omp_clause): New.
1897 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1898 * tree.h (enum omp_clause_code): Declare.
1899 (OMP_CLAUSE_SUBCODE_CHECK): Define.
1900 (OMP_CLAUSE_RANGE_CHECK): Define.
1901 (OMP_CLAUSE_ELT_CHECK): Define.
1902 (omp_clause_check_failed): Declare.
1903 (omp_clause_operand_check_failed): Declare.
1904 (omp_clause_range_check_failed): Declare.
1905 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1906 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1907 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1908 (OMP_CLAUSE_LASTPRIVATE): Likewise.
1909 (OMP_CLAUSE_IF_EXPR): Likewise.
1910 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1911 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1912 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
1913 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
1914 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
1915 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
1916 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
1917 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
1918 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
1919 (OMP_CLAUSE_CODE): Define.
1920 (OMP_CLAUSE_SET_CODE): Define.
1921 (OMP_CLAUSE_CODE): Define.
1922 (OMP_CLAUSE_OPERAND): Define.
1923 (struct tree_omp_clause): Declare.
1924 (union tree_node): Add field 'omp_clause'.
1925 * treestruct.def (TS_OMP_CLAUSE): Define.
1926 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
1927 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
1928 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
1929 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
1930 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
1931 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
1932 (OMP_CLAUSE): Define.
1933 * print-tree.c (print_node): Handle OMP_CLAUSE.
1934 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
1935 * c-typeck.c: Likewise.
1936 * gimplify.c: Likewise.
1937 * c-omp.c: Likewise.
1938 * tree-nested.c: Likewise.
1939 * tree-inline.c: Likewise.
1940 * c-parser.c: Likewise.
1941 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
1944 2006-01-25 Roger Sayle <roger@eyesopen.com>
1946 PR rtl-optimization/25703
1947 * combine.c (try_combine): Handle zero_extract and strict_low_part
1948 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
1950 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
1952 * global.c: Fix comment typos.
1954 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
1957 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
1958 Use output_addr_const instead of assemble_name.
1960 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
1962 * Makefile.in (sched-vis.o): Update dependencies.
1963 * haifa-sched.c (sched_finish): Clear current_sched_info.
1964 * cfg.c (dump_bb_info): New, split from dump_flow_info.
1965 (dump_flow_info): Call it.
1966 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
1968 * basic-block.h (dump_bb_info): Declare.
1969 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
1970 option, and apply options only for dump files whose TDF_RTL,
1971 TDF_TREE, or TDF_IPA bits match.
1972 * rtl.h: Declare new functions exported from sched-vis.c.
1973 * sched-vis.c: Enable also if scheduling is not used.
1974 (print_value): Print the mode of registers if not inside scheduling.
1975 (print_insn): Make it work outside the scheduler. Beautify the output
1977 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
1979 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1981 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
1982 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
1983 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
1984 depending on the value of CONSTANT_POOL_ADDRESS_P.
1985 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
1987 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
1988 rather than SYMBOL_REF_DECL.
1989 (rtx_constant_pool): Remove const_rtx_sym_htab.
1990 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
1991 (init_varasm_status): Don't initialize const_rtx_sym_htab.
1992 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
1993 Remove handling of const_rtx_sym_htab.
1994 (find_pool_constant): Delete.
1995 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
1996 rather than find_pool_constant.
1997 (get_pool_constant_for_function): Delete.
1998 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2000 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2001 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2002 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2003 (SYMBOL_REF_CONSTANT): New macro.
2004 (get_pool_constant_for_function): Delete.
2005 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2006 rather than SYMBOL_REF_DECL.
2007 (i386_pe_mark_dllimport): Likewise.
2008 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2009 rather than SYMBOL_REF_DECL.
2010 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2011 (machopic_indirect_call_target): Likewise.
2013 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2015 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2017 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2019 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2021 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2023 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2025 2006-01-24 David Daney <ddaney@avtrex.com>
2028 * configure.ac (enable_tls): New enable option.
2029 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2030 * configure: Regenerate.
2031 * doc/install.texi (--enable-tls): Document new option.
2032 (--disable-tls): Ditto.
2034 2006-01-24 Richard Henderson <rth@redehat.com>
2036 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2037 * alias.c (true_dependence): Respect it.
2038 (canon_true_dependence, write_dependence_p): Likewise.
2039 * builtins.c (get_builtin_sync_mem): Set it.
2041 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2043 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2046 2006-01-24 DJ Delorie <dj@redhat.com>
2048 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2049 for storing constants in single-bit bitfields.
2051 2006-01-25 Ben Elliston <bje@au.ibm.com>
2053 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2055 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2058 * tree-ssa-pre.c (phi_translate): Return NULL
2059 for AGGREGATE_TYPE's.
2061 2006-01-24 Zack Weinberg <zackw@panix.com>
2063 * genautomata.c (process_state_for_insn_equiv_partition):
2064 Use xcalloc for insn_arcs_array.
2065 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2066 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2068 2006-01-24 Richard Henderson <rth@redhat.com>
2070 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2073 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2075 PR rtl-optimization/25890
2076 PR rtl-optimization/25905
2077 * combine.c (expand_compound_operation, expand_field_assignment):
2078 Fail if the bitfield's final position is out of bounds.
2080 2006-01-24 Ian Lance Taylor <ian@airs.com>
2083 * cgraphunit.c (cgraph_output_in_order): Don't clear
2084 cgraph_asm_nodes until after asm strings have been output.
2086 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2088 * fix-header.c (read_scan_file): Add new parameter imultilib when
2089 calling register_include_chains.
2091 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2093 * omp-low.c: Update documentation.
2095 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2096 Daniel Berlin <dberlin@dberlin.org>
2100 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2101 return from the function.
2103 2006-01-22 Zack Weinberg <zackw@panix.com>
2105 * rtl.def (match_code): Add second argument.
2106 * genpreds.c (write_extract_subexp): New function.
2107 (write_match_code): Add path argument. Use write_extract_subexp.
2108 (write_predicate_expr): Pass path to write_match_code.
2109 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2110 not perform a mode test.
2111 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2112 a subexpression does not constrain the top-level code set.
2113 * read-rtl.c (read_rtx_variadic): New function.
2114 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2115 * doc/md.texi: Document new notation.
2116 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2117 (cmpsi_operand): ... here, using new notation.
2119 2006-01-22 Zack Weinberg <zackw@panix.com>
2121 * varray.c: Remove GENERATOR_FILE #ifdefs.
2123 2006-01-22 Zack Weinberg <zackw@panix.com>
2125 * genautomata.c (output_reserved_units_table): Emit nothing if
2126 description->query_units_num is zero. Remove extra blank line.
2127 (output_cpu_unit_reservation_p): Short circuit
2128 if description->query_units_num is zero.
2130 2006-01-22 Zack Weinberg <zackw@panix.com>
2132 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2133 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2134 nor any of the random handful of variables that used to be necessary
2135 when this program was linked with rtlanal.o. Prune set of forward
2136 function declarations.
2137 (struct attr_desc): Remove static_p field.
2138 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2139 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2140 (attr_string): Do not read the character one past the length of
2142 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2143 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2144 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2145 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2146 (make_automaton_attrs): New.
2147 (main): Do not call into genautomata. Call local gen_bypass
2148 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2149 Remove special case for insn_alts.
2150 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2151 varray.h (leftover from previous change). Prune set of forward
2152 function declarations. Remove state_alts fields from all
2153 structures. Remove state_alts_table from struct automaton.
2154 Make everything except main static. Do not maintain num_dfa_decls.
2155 Do not maintain state_alts fields of various structures.
2156 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2157 (add_arc): Remove state_alts argument. All callers updated.
2158 (output_reserved_units_table): Emit #ifdef here...
2159 (output_tables): ...not here. Don't generate state_alts tables.
2160 (expand_automata): Don't generate attributes.
2161 (write_automata): Don't generate state_alts functions.
2162 (main): New function.
2163 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2164 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2165 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2166 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2167 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2168 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2169 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2170 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2172 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2173 * genattrtab.h: Delete file.
2174 * Makefile.in (OBJS-common): Add insn-automata.o.
2175 (insn-automata.o): New rule.
2176 (simple_generated_c): Add insn-automata.c.
2177 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2178 (genprogmd): Add automata.
2179 (build/genattrtab): Needs no extra objects nor libraries.
2180 (build/genautomata): Needs build/vec.o and -lm.
2182 2006-01-22 Zack Weinberg <zackw@panix.com>
2184 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2185 (output_dfa_max_issue_rate, locked_states_num): Delete.
2186 (struct automaton): Add locked_states field.
2187 (output_dead_lock_vect): Save number of locked states in
2188 automaton->locked_states. If it is zero, don't print anything.
2189 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2190 (output_internal_dead_lock_func): Only test the dead_lock_vect
2191 for automata that have locked states.
2192 (output_statistics): Always print the number of locked states for
2193 each automaton. Calculate total number of locked states here.
2194 (write_automata): Don't call output_dfa_max_issue_rate.
2195 * genattrtab.c: Define length_unit_log as a const variable.
2196 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2197 max_insn_queue_index const.
2198 * final.c (length_unit_log): Declare const.
2199 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2201 2006-01-22 Zack Weinberg <zackw@panix.com>
2203 * genautomata.c: Include vec.h, not varray.h.
2204 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2205 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2206 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2207 VEC_* macros operating on appropriately typed vectors, or to
2208 malloced arrays when the size is known in advance. Const-ify
2209 many char* variables and function arguments. No functional changes.
2210 * Makefile.in (build/varray.o): Delete rule.
2211 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2212 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2214 2006-01-22 Zack Weinberg <zackw@panix.com>
2216 * gensupport.c: Define get_insn_name and record_insn_name here.
2217 (read_md_rtx): Call record_insn_name as appropriate.
2218 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2219 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2220 * genpreds.c, genrecog.c: Don't define get_insn_name nor
2222 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2223 (BUILD_VARRAY): Delete.
2224 (genprognormal): Rename genprogmd. Fold in all programs from
2225 genprognoprint; also attrtab.
2226 (build/genattrtab): Just mention genautomata.o and varray.o.
2227 Reorganize a bit, add comments to make the categories clearer.
2229 2006-01-22 Zack Weinberg <zackw@panix.com>
2231 * genconditions.c (condition_table, add_condition): Delete.
2232 (write_conditions): Don't emit n_insn_conditions nor
2233 insn_elision_unavailable. Issue the gcc version #ifdef here,
2234 inside the table, with no #else clause ...
2235 (write_header): ...not here.
2236 (write_writer): New function.
2237 (main): Don't initialize condition_table. Use add_c_test.
2239 * gensupport.c (init_md_reader_args_cb): Handle multiple input
2240 files on the command line.
2241 (maybe_eval_c_test): Don't check insn_elision_unavailable.
2242 Return -1 if there is no entry in the table, don't abort.
2243 (add_c_test, traverse_c_tests): New functions.
2244 * gensupport.h (insn_elision_unavailable, insn_conditions)
2245 (n_insn_conditions): Delete declarations.
2246 (add_c_test, traverse_c_tests): Declare.
2247 * read-rtl.c: Include gensupport.h.
2248 (read_conditions): New function.
2249 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2250 (read_rtx_1): If we get EOF when we were looking for an initial
2251 open paren, return 0. Call read_conditions when appropriate.
2252 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2253 dummy-conditions.o. Eliminate references to insn-conditions.o,
2254 or change them to build/gencondmd.o, as appropriate. Remove
2255 insn-constants.h from $(simple_generated_h) and insn-conditions.c
2256 from $(simple_generated_c). For all files remaining in those
2257 two lists, add insn-conditions.md to the generator command line.
2258 Give insn-constants.h/s-constants their own rules. Add rules
2259 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2260 (build/read-rtl.o): Depend on gensupport.h.
2261 (genprognormal): Include preds.
2262 (genprogearly): Rename genprognoprint; only difference is now that
2263 they don't link with $(BUILD_PRINT).
2264 * dummy-conditions.c: Delete.
2266 2006-01-22 Zack Weinberg <zackw@panix.com>
2268 * genextract.c: Don't include insn-config.h. Do include vec.h.
2269 Declare vectors of int, char, and locstr.
2270 (locstr): New typedef.
2271 (struct extraction): Make all array fields into bare pointers.
2272 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2273 (insn_code_number): Delete.
2274 (accum_extract): New struct.
2275 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2276 (gen_insn): Take insn_code_number as an argument. Use an
2277 accum_extract structure instead of loading data directly into
2278 a struct extraction, and having to know how big it might get.
2279 (walk_rtx): Operate entirely on an accum_extract structure.
2280 (print_path): Avoid unnecessary use of printf.
2281 (print_header): New function, split out of main. Distinguish
2282 more carefully between an unrecognizable insn and an insn that
2283 has the code number of a define_expand.
2284 (main): Pass insn_code_number to gen_insn. Call print_header
2285 only after parsing. Avoid unnecessary use of printf.
2286 * Makefile.in (build/vec.o): New rule.
2287 (build/genextract): Depend on build/vec.o.
2288 (build/genextract.o): Don't depend on insn-config.h.
2290 2006-01-22 Zack Weinberg <zackw@panix.com>
2292 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2293 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
2294 practical. Eliminate per-generator-program link rules.
2296 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2299 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2300 with a call expr to ...
2301 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2303 2006-01-23 Richard Guenther <rguenther@suse.de>
2305 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2306 before make_edge with conditional EDGE_TRUE_VALUE.
2308 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
2309 Jan Hubicka <jh@suse.cz>
2310 Richard Guenther <rguenther@suse.de>
2312 PR rtl-optimization/25654
2313 * cfgexpand.c (aggregate_contains_union_type): New function.
2314 (add_alias_set_conflicts): Call it. Make sure to add conflicts
2315 for structure variables that contain a union type.
2317 2006-01-23 Richard Sandiford <richard@codesourcery.com>
2319 * gengtype.c (new_structure): Return the structure.
2320 (create_option): Add an extra "next" argument.
2321 (create_field): New function.
2322 (adjust_field_rtx_def): Use create_option and create_field.
2323 Remove a now-unnecessary call to find_structure.
2324 (adjust_field_tree_def): Likewise.
2325 (note_yacc_type): Remove an unnecessary call to find_structure.
2326 * gengtype.h (new_structure): Return the structure.
2327 (create_option): Add an extra argument.
2328 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2329 (option): Adjust calls to create_option.
2331 2006-01-22 David Edelsohn <edelsohn@gnu.org>
2333 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2335 2006-01-22 Paul Brook <paul@codesourcery.com>
2336 Peter Barada <peter@the-baradas.com>
2338 * config/m68k/m68k.md: Add Coldfire FPU support.
2339 Define FP mode macro and associated attributes.
2340 Use it for float mode patterns.
2341 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2342 (LIBCALL_VALUE): Use m68k_libcall_value.
2343 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2344 (m68k_function_value): Ditto.
2345 (emit_move_sequence): Ditto.
2346 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2347 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2348 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2349 (MULTILIB_EXCEPTIONS): Ditto.
2350 * config/m68k/m68k.opt: Add mcfv4e.
2351 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2352 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2353 (m68k_output_function_prologue): Save ColdFire FPU registers.
2354 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2355 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2356 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2357 ColdFire FPU registers.
2358 (m68k_libcall_value, m68k_function_value): New functions.
2359 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2360 (LIBCALL_VALUE): Use m68k_libcall_value.
2361 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2362 (MASK_COLDFIRE): Add MASK_CFV4E.
2363 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2364 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2365 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2366 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2367 (GO_IF_LEGITIMATE_ADDRESS): Use it.
2368 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2369 * doc/invoke.tex: Document -mcfv4e on m68k.
2371 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2373 * doc/contribute.texi: Change CVS to SVN and update the corresponding
2376 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
2379 * c-opts.c (c_common_handle_option): Don't include
2380 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2381 * doc/invoke.texi (C++ Dialect Options): Document that
2382 -Wnon-virtual-dtor is no longer included in -Wall.
2384 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
2386 * gcov.c (print_version), gcov-dump.c (print_version),
2387 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2390 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
2392 * df-scan.c (problem_SCAN): Added NULL reset function.
2393 (df_scan_reset_blocks): Added code to call reset block function
2394 (df_bb_refs_delete) Fixed comment.
2395 (df_insn_refs_delete): Made tolerant of deleting non existent info
2396 for dataflow problems that need to be reset.
2397 * df-core.c (df_set_blocks): Ditto.
2398 * df.h (struct df_problem): Added reset_fun.
2399 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2400 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2401 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2402 functions to clear out all references to def-use or use-def chains.
2404 2006-01-21 Ben Elliston <bje@au.ibm.com>
2406 * varasm.c (assemble_real): Initialise data array.
2408 2006-01-20 Paul Brook <paul@codesourcery.com>
2410 Merge from csl-arm-branch.
2411 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2412 * config/arm/arm.md (movdi): Force operands[1] to a register
2413 if we have a non-register source.
2414 (*arm_movdi, *movdf_soft_insn): Require that one of the
2415 operands be a register.
2416 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2417 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2419 2006-01-20 DJ Delorie <dj@redhat.com>
2421 * varasm.c (initialize_constant_valid_p): Allow pointers
2422 initialized from integer constants of lesser precision.
2423 (output_constant): Allow non-int-sized pointer modes to be
2424 initialized from integer constants.
2426 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
2429 * cppdefault.h (struct default_include): Add multilib flag.
2430 * cppdefault.c (cpp_include_defaults): Set it.
2431 * c.opt (-imultilib): New option.
2432 * c-opts.c (imultilib): New.
2433 (c_common_handle_option): Handle -imultilib.
2434 (c_common_post_options): Likewise.
2435 * c-incpath.c (add_standard_paths, register_include_chains):
2437 * c-incpath.h (register_include_chains): Add extra parameter.
2438 * gcc.c (do_spec_1): Generate -imultilib option.
2439 (The Specs Language): Update %I description.
2440 (process_command): Update copyright notice.
2441 * doc/cppopts.texi (-imultilib): Document.
2442 * doc/invoke.texi (-imultilib): Include in option summary.
2443 (%I): Update specs documentation.
2445 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2447 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2449 2006-01-20 Richard Sandiford <richard@codesourcery.com>
2451 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2454 2006-01-20 Richard Guenther <rguenther@suse.de>
2455 Steven Bosscher <stevenb.gcc@gmail.com>
2457 PR rtl-optimization/24626
2458 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2459 EDGE_TRUE_VALUE if in RTL mode.
2462 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2463 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2465 2006-01-20 Dirk Mueller <dmueller@suse.com>
2468 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2469 instead of a special NOP marker.
2470 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2471 NOP marker handling.
2472 * c-common.h (empty_body_warning): Add forward declaration.
2473 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2474 Now uses IS_EMPTY_STMT() instead of special NOP markers.
2476 2006-01-20 Paul Brook <paul@codesourcery.com>
2478 * Makefile.in (lang_checks): Keep going if mkdir fails.
2480 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2482 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2483 be able to clean out basic block when not necessary.
2484 (df_scan_free): Fixed to properly delete information if df is
2485 unused before calling df_finish.
2486 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2487 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2489 (df_bb_refs_delete): New function.
2490 (df_refs_delete): Moved per block code to df_bb_refs_delete.
2491 * df-core.c (df_set_blocks): Added code to properly clean out
2492 unused blocks if they are not part of the blocks to consider.
2493 Added additional null check.
2494 (df_compact_blocks): Added basic block parameter to free_bb_fun to
2495 be able to clean out basic block when not necessary
2496 * df.h (df_free_bb_function): Ditto.
2497 (df_bb_refs_delete): New function.
2498 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2499 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2500 basic block parameter to be able to clean out basic block when not
2502 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2503 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2504 Fixed to properly delete information if df is unused before
2507 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2509 PR rtl-optimization/25799
2510 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2511 Corrected confluence operator to remove bits from op2 before oring
2512 with op1 rather than removing bits from op1.
2513 (df_ru_transfer_function): Corrected test on wrong bitmap which
2514 caused infinite loop. Both of these problems were introduced in
2515 the dataflow rewrite.
2517 2006-01-19 DJ Delorie <dj@redhat.com>
2519 * reload1.c (find_reload_regs): Note the details of reload
2520 failures in the dump file.
2521 (spill_failure): Likewise.
2523 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2525 * loop-iv.c: Include df.h and hashtab.h.
2526 (enum iv_grd_result): New enum.
2527 (DF_REF_IV, DF_REF_IV_SET): New macros.
2528 (struct biv_entry): New.
2529 (df, bivs): New global variables.
2530 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2531 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2533 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2534 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2535 analyzed_for_bivness_p, record_biv): New functions.
2536 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2537 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2538 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2540 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2542 (iv_number_of_iterations): Use new interface to iv analysis.
2543 * loop-unroll.c: Do not include varray.h.
2544 (analyze_iv_to_split_insn): Use new interface to iv
2546 * loop-unswitch.c (may_unswitch_on): Ditto.
2547 * df.c (df_bitmaps_free): Only work for bbs for that structures are
2549 (df_bb_modify): Realloc tables to the new index.
2550 (df_find_use): New function.
2551 * df.h (df_find_use): Declare.
2552 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2554 * cfgloop.h (struct rtx_iv): Remove analysed field.
2555 (iv_get_reaching_def): Removed.
2556 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2557 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2558 (loop-iv.o): Add df.h and hashtab.h dependency.
2559 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2561 2006-01-20 Alan Modra <amodra@bigpond.net.au>
2564 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2566 (__floatundisf, __floatundidf): Likewise.
2567 * libgcc2.h (IS_IBM_EXTENDED): Define.
2569 2006-01-19 DJ Delorie <dj@redhat.com>
2571 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2573 2006-01-19 Paul Brook <paul@codesourcery.com>
2575 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2576 as nothrow when unwinding tables are disabled.
2578 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2581 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2582 of bit-field" when in system header.
2584 2006-01-19 DJ Delorie <dj@redhat.com>
2586 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2587 the 16 bit shift limit of the m16c.
2589 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
2592 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2593 * config/i386/i386.c (output_set_got): Output the label if we have one
2594 for the TARGET_DEEP_BRANCH_PREDICTION case.
2596 2006-01-19 Jan Hubicka <jh@suse.cz>
2597 H.J. Lu <hongjiu.lu@intel.com>
2598 Evandro Menezes <evandro.menezes@amd.com>
2600 * invoke.texi (generic): Document
2602 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2603 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2604 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2605 (x86_use_incdec, x86_pad_returns): New variables
2606 (TARGET_CPU_DEFAULT_generic): New constant
2607 (TARGET_CPU_DEFAULT_NAMES): Add generic.
2608 (enum processor_type): Add generic32 and generic64.
2609 * i386.md (cpu attribute): Add generic32/generic64
2610 (movhi splitter): Behave sanely when both partial_reg_dependency and
2611 partial_reg_stall are set.
2612 (K8 splitters): Enable for generic as well.
2613 * predicates.md (incdec_operand): Use TARGET_INCDEC
2614 (aligned_operand): Avoid memory mismatch stalls.
2615 * athlon.md: Enable for generic64, new patterns for 128bit moves.
2616 * ppro.md: Enable for generic32
2617 * i386.c (generic64_cost, generic32_cost): New.
2618 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2619 (x86_use_leave): Enable for generic64. (x86_use_sahf,
2620 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
2621 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2622 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2623 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2624 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2625 x86_accumulate_outgoing_args, x86_prologue_using_move,
2626 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2627 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2629 (x86_use_incdec, x86_pad_returns): New.
2630 (override_options): Add generic32 and generic64, translate "generic"
2631 to generic32/generic64 and "i686" to "generic32", refuse
2632 "generic32"/"generic64" as arch target.
2633 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2634 (ix86_reorg): Honor PAD_RETURNS.
2636 2006-01-19 Diego Novillo <dnovillo@redhat.com>
2638 * tree-pretty-print.c (dump_generic_node): Handle
2639 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2640 * cgraph.c (cgraph_expand_queue): Rename from
2641 cgraph_analyze_queue. Update all users.
2642 * cgraphunit.c (cgraph_assemble_pending_functions): Process
2643 cgraph_expand_queue.
2644 (cgraph_expand_all_functions): Likewise.
2645 (cgraph_finalize_pending_functions): Remove. Update callers.
2647 * tree.h (OMP_DIRECTIVE_P): Define.
2648 (OMP_PARALLEL_FN): Define.
2649 (OMP_PARALLEL_DATA_ARG): Define.
2650 (OMP_SECTIONS_SECTIONS): Define.
2651 * tree-pass.h (pass_expand_omp): Declare.
2652 * omp-low.c (struct omp_region): Declare.
2653 (struct omp_context): Remove fields 'parallel_type',
2654 'parallel_start_ix' and 'parallel_start_additional_args'.
2656 (struct omp_for_data): Rename from struct expand_omp_for_data.
2657 (omp_regions): New static variable.
2658 (root_omp_region): New static variable.
2659 (find_omp_clause): Make static.
2660 (is_in_combined_parallel_ctx): Remove.
2661 (is_combined_parallel): New.
2662 (extract_omp_for_data): Move earlier in the file.
2663 (workshare_safe_to_combine_p): New.
2664 (get_ws_args_for): New.
2665 (determine_parallel_type): Move earlier in the file.
2666 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2668 (omp_copy_decl): Likewise.
2669 (create_omp_child_function): Likewise.
2670 (lookup_omp_region): New.
2671 (dump_omp_region): New.
2672 (debug_omp_region): New.
2673 (debug_all_omp_regions): New.
2674 (new_omp_region): New.
2675 (scan_omp_parallel): If parallel_nesting_level > 1, the
2676 directive is nested within another parallel directive.
2677 Set OMP_PARALLEL_FN.
2678 (scan_omp_for): Do not try to handle combined parallel+for
2680 Remove FIXME comment.
2681 (scan_omp_nested): Remove.
2682 (scan_omp_1): Do not call scan_omp_nested when
2683 parallel_nesting_level is > 1.
2684 Do not change the DECL_CONTEXT of local variables found.
2685 (lookup_decl_in_outer_ctx): New.
2686 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2687 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2688 (lower_reduction_clauses): Rename from expand_reduction_clauses.
2689 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2690 If CTX is nested, lookup VAR in the outer context when
2691 building copy assignment.
2692 (lower_send_clauses): Rename from expand_send_clauses.
2693 If CTX is nested, lookup VAR in the outer context when
2694 building copy assignments.
2695 (lower_send_shared_vars): Rename from expand_send_shared_vars.
2696 If CTX is nested, lookup VAR in the outer context when
2697 building copy assignments.
2698 (expand_parallel_call): Rename from build_parallel_call.
2699 Handle combined parallel+workshare cases.
2700 Re-implement to emit code into the CFG.
2702 (expand_omp_parallel): Re-implement to emit code into the CFG.
2703 Call move_sese_region_to_fn to outline the sub-graph
2704 containing the parallel region.
2705 (expand_omp_for_1): Remove.
2706 (expand_omp_for_generic): Re-implement to emit code into the
2708 (expand_omp_for_static_nochunk): Likewise.
2709 (expand_omp_for_static_chunk): Likewise.
2710 (expand_omp_for): Likewise.
2711 (expand_omp_sections): Likewise.
2712 (remove_exit_barriers): New.
2713 (expand_omp_synch): New.
2715 (build_omp_regions_1): New.
2716 (build_omp_regions): New.
2717 (execute_expand_omp): New.
2718 (gate_expand_omp): New.
2719 (pass_expand_omp): Define.
2720 (lower_omp_sections): Rename from expand_omp_sections.
2721 Set OMP_SECTIONS_SECTIONS.
2722 (lower_omp_single_simple): Rename from expand_omp_single_simple.
2723 (lower_omp_single_copy): Rename from expand_omp_single_copy.
2724 (lower_omp_single): Rename from expand_omp_simple.
2725 (lower_omp_master): Rename from expand_omp_master.
2726 (lower_omp_ordered): Rename from expand_omp_ordered.
2727 (lower_omp_critical): Rename from expand_omp_critical.
2728 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
2729 (lower_omp_for): Re-implement.
2730 (lower_omp_parallel): Re-implement.
2731 (lower_regimplify): Rename from expand_regimplify.
2732 (lower_omp_1): Rename from expand_omp_1.
2733 If there are syntax errors in the program, replace every
2734 OpenMP directive with NOP.
2735 Call lower_omp_* instead of expand_omp_*.
2736 (lower_omp): Rename from expand_omp.
2738 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
2739 * tree-gimple.h (enum omp_parallel_type): Remove.
2740 (gimple_boolify): Declare extern.
2741 (find_omp_clause, determine_parallel_type): Remove.
2743 * gimple-low.c (lower_omp_directive): New.
2744 (lower_stmt): Call it.
2745 (record_vars_into): Move from ...
2746 (record_vars): ... here.
2747 Call record_vars_into with current_function_decl.
2749 * gimplify.c (struct gimplify_ctx): Remove fields
2750 combined_pre_p and combined_ctxp. Update users.
2751 (get_formal_tmp_var): Add documentation.
2752 (gimple_boolify): Make extern.
2753 (gimplify_expr_in_ctx): Remove. Update callers.
2754 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
2755 will always be a BIND_EXPR.
2756 (gimplify_expr): Handle OMP_RETURN_EXPR.
2757 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
2758 (OMP_PARALLEL): Add 3 operands.
2759 (OMP_SECTIONS): Add 1 operand.
2760 (OMP_RETURN_EXPR): Define.
2762 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
2763 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
2764 * tree-iterator.c (alloc_stmt_list): Assert that we are not
2765 creating a circular free list.
2766 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
2768 * tree-flow.h (move_sese_region_to_fn): Declare.
2769 (record_vars_into): Declare.
2770 * tree-cfg.c (make_omp_sections_edges): New.
2771 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
2772 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
2773 OMP_SECTIONS and OMP_SECTION.
2774 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
2775 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
2776 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
2777 (gather_blocks_in_sese_region): New.
2778 (struct move_stmt_d): Declare.
2780 (move_block_to_fn): New.
2781 (move_sese_region_to_fn): New.
2783 * passes.c (init_optimization_passes): Schedule
2784 pass_expand_omp after pass_init_datastructures.
2786 * tree-ssa-operands.c (get_expr_operands): Handle
2787 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
2788 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
2790 2006-01-19 Jeff Law <law@redhat.com>
2792 * tree-vrp.c (extract_range_from_assert): Refine the result range
2793 if the variable referenced by the ASSERT_EXPR has a range and
2794 either the tentative result range or the previous range is a
2797 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2799 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2801 2006-01-19 Jan Hubicka <jh@suse.cz>
2803 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
2805 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
2807 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
2808 (expand_compound_operation, expand_field_assignment): Fail if the
2809 bit lengths of an extract operation are out of range.
2810 (make_extraction): Compute wanted_inner_mode based on the position
2811 and length of the extraction. Make it extraction_mode for non-constant
2812 positions, and do not modify offset in that case. When generating a
2813 new MEM, use a mode that can hold the extraction while keeping correct
2814 alignment. Remove code that supported MEMs wrapped by USEs.
2815 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
2817 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
2819 * config/s390/s390.md ("Y", "y"): New mode attribute.
2820 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2821 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
2822 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
2823 "*addsi3_imm_cc", "*addsi3_carry1_cc",
2824 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
2825 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
2826 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
2827 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
2828 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
2829 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
2830 "addsi3", "subsi3"): Insn patterns removed.
2831 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
2832 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
2833 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
2834 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
2835 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
2836 "*sub<mode>3_cconly2"): New insn patterns.
2837 ("addsi3", "subsi3"): New expanders.
2839 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
2841 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
2842 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
2843 existing STMT_VINFO_VECTYPE if available.
2844 (vect_mark_relevant): Add special handling for stmts that are
2845 marked as STMT_VINFO_IN_PATTERN_P.
2846 (vect_analyze_loop): Call vect_pattern_recog.
2847 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2848 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2850 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2851 (vect_recog_func_ptr): New function-pointer type.
2852 * tree-vect-patterns.c: New file.
2853 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2854 (vect_recog_dot_prod_pattern, vect_pattern_recog):
2855 (vect_pattern_recog_1): New functions.
2856 (vect_pattern_recog_funcs): New array of function pointers.
2858 * tree-vectorizer.h (ternary_op): New enum value.
2859 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2860 declaration. Revised documentation. Removed redundant dump prints.
2861 Removed redundant argument. Added support for reduction patterns.
2862 (vectorizable_reduction): Added support for reduction patterns.
2863 (vect_transform_stmt): Added support for patterns.
2865 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2866 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2867 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2868 (expand_widen_pattern_expr): New function.
2869 (init_optabs): Initialize new optabs udot_prod_optab,
2871 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2872 (sdot_prod_optab, udot_prod_optab): Define new optabs.
2873 (expand_widen_pattern_expr): New function declaration.
2874 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2876 * tree-inline.c (estimate_num_insns_1): Added cases for new
2877 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2878 * tree-pretty-print.c (dump_generic_node): Likewise.
2879 (op_prio): Likewise.
2880 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2881 * tree-ssa-operands.c (get_expr_operands): Added case for
2883 * tree-vect-patterns.c (widened_name_p): New function.
2884 (vect_recog_dot_prod_pattern): Added function implementation.
2885 * tree-vect-transform.c (get_initial_def_for_reduction): Added
2886 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2887 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2888 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2890 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2891 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2892 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2893 (init_optabs): Initialize new optabs widen_ssum_optab,
2895 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2896 (widen_ssum_optab, widen_usum_optab): Define new optabs.
2897 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2898 use instead of type of def.
2899 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2900 function implementation.
2901 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2902 widen_ssumv8hi): New.
2904 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2907 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2910 * c-decl.c (add_flexible_array_elts_to_size): New function.
2911 (finish_decl): Use it.
2913 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
2915 * diagnostic.h: Include options.h.
2916 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
2917 dependancies for diagnostic.h.
2918 * Makefile.in (DIAGNOSTIC_H): Add options.h.
2920 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
2922 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
2923 (ssa_ro_call_cache_valid): Ditto.
2924 * tree-ssa-alias.c (sort_tags_by_id): New function.
2925 (init_transitive_clobber_worklist): Ditto.
2926 (add_to_worklist): Ditto.
2927 (mark_aliases_call_clobbered): Ditto.
2928 (compute_tag_properties): Ditto.
2929 (set_initial_properties): Ditto.
2930 (compute_call_clobbered): Ditto.
2931 (compute_may_aliases): Call compute_call_clobbered and grouping.
2932 (compute_flow_sensitive_aliasing): Remove clobbering related code.
2933 (compute_flow_insensitive_aliasing): Grouping now happens in our
2935 (setup_pointers_and_addressables): Remove clobbering related code.
2936 (add_may_alias): Ditto.
2937 (replace_may_alias): Ditto.
2938 (get_nmt_for): Ditto.
2939 (create_global_var):
2940 (is_escape_site): Return an escape_type enumeration.
2941 * tree-flow-inline.h (is_call_clobbered): Global var does not
2942 imply call clobbered.
2943 (mark_call_clobbered): Take a reason for marking this. Remove
2944 marking of globalness, and cache invalidation.
2945 (clear_call_clobbered): Remove cache invalidation code.
2946 * tree-dfa.c (dump_variable): If details is on, dump the reason
2948 * tree-outof-ssa.c (create_temp): Copy escape mask from original
2950 * tree-flow.h (struct ptr_info_def): Add escape mask member.
2951 (struct var_ann_d): Ditto.
2952 (enum escape_type): New.
2953 (mark_call_clobbered): Adjust prototype.
2954 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
2955 are never call clobbered.
2956 Record reasons for escaping.
2957 * tree-ssa-structalias.h (is_escape_site): Update prototype.
2958 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
2959 (ssa_ro_call_cache_valid): Ditto.
2960 (clobbered_v_may_defs): Ditto.
2961 (clobbered_vuses): Ditto.
2962 (ro_call_vuses): Ditto.
2963 (clobber_stats): New.
2964 (init_ssa_operands): Zero out clobber stats.
2965 (fini_ssa_operands): Print out clobber stats.
2966 (get_call_expr_operands): Pass callee fndecl to
2968 (add_call_clobber_ops): Remove use of cache.
2969 Add use of PURE_CONST information.
2970 (add_call_read_ops): Remove use of cache.
2971 Add use of static not_read information.
2973 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
2975 Introduce TLS descriptors for i386 and x86_64.
2976 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
2977 (TARGET_ANY_GNU_TLS): New macro.
2978 (enum tls_dialect): Added TLS_DIALECT_GNU2.
2979 (struct machine_function): Add tls_descriptor_call_expanded_p.
2980 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
2981 (ix86_current_function_calls_tls_descriptor): Likewise.
2982 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
2983 (override_options): Introduce gnu2 tls dialect.
2984 (ix86_frame_pointer_required): Functions containing TLSCALLs are
2986 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
2988 (legitimize_tls_address): Adjust logic for GNU2 TLS.
2989 (ix86_init_machine_status): Initialize new field.
2990 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
2991 (ix86_tls_module_base): New.
2992 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
2993 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
2994 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
2995 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
2996 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
2997 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
2998 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
2999 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3000 * config/i386/predicates.md (tls_modbase_operand): New.
3001 (tp_or_register_operand): New.
3003 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
3005 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
3006 (look_for_address_of): Ditto.
3007 (ipa_init): Walk the function decls.
3008 (static_execute): Don't set readonly on FUNCTION_DECL's.
3010 2006-01-18 Roger Sayle <roger@eyesopen.com>
3012 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3013 for shifts where the source and destination registers are different.
3015 2006-01-18 Paul Brook <paul@codesourcery.com>
3017 Merge from csl-arm-branch.
3018 2005-03-14 Julian Brown <julian@codesourcery.com>
3019 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3020 (aeabi_llsl): Likewise.
3021 (ashrdi3): Likewise.
3022 (aeabi_lasr): Likewise.
3023 (lshrdi3): Likewise.
3024 (aeabi_llsr): Likewise.
3025 2005-03-10 Julian Brown <julian@codesourcery.com>
3026 * config.gcc: Disable shared libgcc for SymbianOS.
3027 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3029 2006-01-18 DJ Delorie <dj@redhat.com>
3031 * c-pragma.c (handle_pragma_diagnostic): New.
3032 (init_pragma): Register it.
3033 * doc/extend.texi: Document it.
3035 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3036 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3037 (diagnostic_context): Add classify_diagnostic[].
3038 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3039 as errors if they're overridden to DK_WARNING.
3040 (diagnostic_initialize): Initialize classify_diagnostic[].
3041 (diagnostic_set_kind_override): New.
3042 (diagnostic_report_diagnostic): Check for kind changes.
3043 * opts.c (common_handle_option): Take lang_mask. Update callers.
3045 * common.opt (Werror=): New.
3046 * doc/invoke.texi: Document -Werror=*
3048 2006-01-18 Jeff Law <law@redhat.com>
3050 * tree-vrp.c (test_for_singularity): Correct test for new
3051 min limit. Use operand_equal_p rather than pointer equality
3052 for testing if new min/max values are equal.
3054 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3055 using range information until after propagation and folding.
3057 2006-01-18 Richard Henderson <rth@redhat.com>
3058 Aldy Hernandez <aldyh@redhat.com>
3059 Jakub Jelinek <jakub@redhat.com>
3060 Diego Novillo <dnovillo@redhat.com>
3062 * omp-low.c: New file.
3063 * c-omp.c: New file.
3065 2006-01-18 Richard Henderson <rth@redhat.com>
3066 Jakub Jelinek <jakub@redhat.com>
3067 Diego Novillo <dnovillo@redhat.com>
3069 * doc/invoke.texi: Document -fopenmp.
3070 * tree-dump.h (debug_function): Declare.
3071 * hooks.c (hook_bool_tree_bool_false): New function.
3072 (hook_tree_tree_null): Remove.
3073 (hook_tree_tree_tree_null): New.
3074 * hooks.h: Update to match.
3075 * tree-pretty-print.c (debug_tree_chain): New.
3076 (print_generic_expr): Handle TDF_CHAIN.
3077 (dump_generic_node): Handle BLOCK.
3078 Do not abort with incomplete SWITCH_EXPRs.
3079 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3080 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3081 print space after directive name.
3082 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3083 Handle OMP_MASTER and OMP_ORDERED.
3084 Handle printing of OMP_BODY just in one place, goto
3085 dump_omp_body in the rest of OMP_* nodes that have
3087 Don't handle clause nodes here. Update omp statements to
3088 use dump_omp_clauses.
3089 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3090 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3091 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3092 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3093 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3094 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3095 Adjust output for GOMP_PARALLEL.
3096 (dump_omp_clauses): New.
3097 (print_declaration): Dump DECL_VALUE_EXPR.
3098 (op_symbol_1): Split out of op_symbol.
3099 (dumping_stmts): Remove. Update all users.
3100 * cgraph.c (cgraph_analyze_queue): New.
3101 (cgraph_add_new_function): New.
3102 * cgraph.h (cgraph_analyze_queue): Declare.
3103 (cgraph_add_new_function): Declare.
3104 (cgraph_lower_function): Remove.
3105 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3106 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3107 and TYPE_P nodes in its default clause.
3108 (empty_body_p): New.
3109 (tree_range_check_failed): New.
3111 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3112 OMP_CLAUSE_REDUCTION_MERGE,
3113 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3114 OMP_CLAUSE_PRIVATE_DEBUG,
3115 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3116 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3117 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3118 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3119 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3120 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3121 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3122 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3123 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3124 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3125 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3126 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3127 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3128 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3129 (TREE_RANGE_CHECK): New.
3130 (empty_body_p): Declare.
3131 (enum omp_clause_default_kind): New.
3132 (build_string_literal): Declare.
3133 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3134 (build5_stat, build5): Declare.
3135 * tree-pass.h (TDF_CHAIN): Define.
3136 * tree-pass.h (PROP_gimple_lomp): Define.
3137 (pass_lower_omp): Declare.
3138 * diagnostic.h (debug_tree_chain): Declare.
3139 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3141 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3142 * builtins.c (build_string_literal): Make extern.
3143 * gcc.c (include_spec_function): New.
3144 (static_spec_functions): Add it.
3145 (main): Move load of libgomp.spec ...
3146 (LINK_COMMAND_SPEC): ... here.
3147 (link_gomp_spec): New.
3148 (static_specs): Include it.
3149 (LINK_COMMAND_SPEC): Add link_gomp.
3150 (GOMP_SELF_SPECS): New.
3151 (driver_self_specs): Include it.
3152 (switch_matches): Don't mark inline.
3153 (main): Load libgomp.spec.
3154 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3155 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3156 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3157 * tree-gimple.h (enum omp_parallel): Declare.
3158 (determine_parallel_type): Declare.
3159 (omp_firstprivatize_variable): Declare.
3160 (omp_reduction_init): Declare.
3161 (diagnose_omp_structured_block_errors): Declare.
3162 (struct walk_stmt_info): Add want_return_expr.
3163 (struct walk_stmt_info): Add want_bind_expr, want_locations.
3164 (find_omp_clause): Declare.
3165 (insert_field_into_struct): Declare.
3166 (struct walk_stmt_info): Move from tree-nested.c
3167 (walk_stmts): Declare.
3168 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3170 * cgraphunit.c (cgraph_lower_function): Make static.
3171 (cgraph_finalize_pending_functions): New.
3172 (cgraph_finalize_function): Call it.
3173 (cgraph_finalize_compilation_unit): Likewise.
3174 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3175 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3176 (BT_FN_UINT_UINT): New.
3177 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3178 DEF_FUNCTION_TYPE_VAR_4): Document.
3179 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3180 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3181 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3182 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3183 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3184 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3185 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3186 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3187 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3188 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3189 into separate files.
3190 (DEF_GOMP_BUILTIN): New.
3191 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3192 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3193 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3194 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3195 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3196 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3197 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3198 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3199 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3200 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3201 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3202 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3203 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3204 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3205 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3206 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3207 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3208 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3209 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3210 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3211 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3212 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3213 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3214 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3215 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3216 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3217 * sync-builtins.def: New file, moved from builtins.def.
3218 * omp-builtins.def: New file, moved from builtins.def.
3219 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3220 * gimple-low.c (lower_function_body): Clear data.
3221 (lower_stmt): Do not handle COMPOUND_EXPR.
3222 Remove call to print_node_brief.
3223 * c-tree.h (c_finish_omp_clauses): New prototype.
3224 (C_DECL_THREADPRIVATE_P): Define.
3225 (lookup_name_no_remap, c_omp_remap_private): Remove
3226 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3227 (check_for_loop_decls): Update decl.
3228 (lookup_name_no_remap, c_omp_remap_private): Declare.
3229 (build_indirect_ref, build_modify_expr, pushdecl,
3230 pushdecl_top_level): Move to c-common.h.
3231 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3232 before the switch, but just in the 2 places that need it.
3233 * c-decl.c (diagnose_mismatched_decls): Do not check for
3234 mismatched thread-local attributes when OLDDECL is marked
3235 threadprivate and NEWDECL has no thread-local attributes.
3236 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3237 (c_gimple_diagnostics_recursively): Rename from
3238 c_warn_unused_result_recursively. Invoke
3239 diagnose_omp_structured_block_errors.
3240 (check_for_loop_decls): Return a singular decl found.
3241 * langhooks.c (lhd_omp_predetermined_sharing): Return
3242 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3243 (lhd_omp_firstprivatize_type_sizes): New.
3244 (lhd_omp_assignment): New.
3245 (lhd_omp_predetermined_sharing): New.
3246 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3247 (struct lang_hooks_for_types): Add
3248 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
3249 omp_predetermined_sharing, omp_disregard_value_expr,
3250 omp_private_debug_clause, omp_clause_default_ctor,
3251 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
3252 (c_finish_omp_clauses): New.
3253 (c_finish_bc_stmt): Diagnose break within omp for.
3254 (c_begin_omp_parallel, c_finish_omp_parallel): New.
3255 (build_unary_op): Return error_mark after reporting
3257 (build_modify_expr): Likewise.
3258 * gimplify.c: Include optabs.h and pointer-set.h.
3259 (enum gimplify_omp_var_data): Declare.
3260 (struct gimplify_omp_ctx): Declare.
3261 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
3263 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
3264 (push_gimplify_context, pop_gimplify_context): Allow nesting.
3265 (splay_tree_compare_decl_uid): New.
3266 (new_omp_context): New.
3267 (delete_omp_context): New.
3268 (gimple_add_tmp_var): Call omp_add_variable.
3269 (gimplify_bind_expr): Likewise.
3270 (gimplify_var_or_parm_decl): If omp_notice_variable returned
3271 true, disregard DECL_VALUE_EXPR on the decl if any.
3272 (gimplify_expr_in_ctx): New.
3273 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
3274 omp_add_variable, omp_notice_variable, omp_is_private
3275 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
3276 gimplify_adjust_omp_clauses, gimplify_omp_parallel
3277 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
3278 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
3279 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
3280 gimplify_omp_atomic): New.
3281 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3282 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3283 OMP_CRITICAL and OMP_ATOMIC.
3284 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
3285 * c-pragma.h (enum pragma_kind): Add
3286 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
3287 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
3288 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
3289 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
3290 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
3291 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
3292 PRAGMA_OMP_THREADPRIVATE.
3293 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3294 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3295 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
3296 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
3297 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
3298 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
3299 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
3300 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
3301 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
3302 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
3303 * tree-ssa-dce.c (find_control_dependence): Do not assume that
3304 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
3305 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
3307 (struct nesting_info): Add field_map,
3308 suppress_expansion, debug_var_chain.
3309 (create_nesting_tree): Initialize them.
3310 (lookup_field_for_decl): Use field_map.
3311 (get_nonlocal_debug_decl, get_local_debug_decl): New.
3312 (convert_local_omp_clauses): New.
3313 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
3314 (walk_body): Split out of walk_function.
3315 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
3316 (convert_nonlocal_reference): Handle omp statements.
3317 (convert_local_reference): Likewise.
3318 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
3319 (unnest_nesting_tree): New.
3320 (lower_nested_functions): Call it.
3321 (insert_field_into_struct): Make extern.
3322 (struct walk_stmt_info): Move to tree-gimple.h.
3323 (walk_stmts): Make extern.
3324 * omp-builtins.def: New file.
3325 * tree-iterator.c (expr_only): Clarify comment.
3326 * c-common.h (pushdecl_top_level, pushdecl,
3327 build_modify_expr, build_indirect_ref,
3328 c_finish_omp_master, c_finish_omp_critical,
3329 c_finish_omp_ordered, c_finish_omp_barrier,
3330 c_finish_omp_atomic, c_finish_omp_flush,
3331 c_finish_omp_for, c_split_parallel_clauses,
3332 omp_clause_default_kind, c_omp_sharing_predetermined,
3333 c_omp_remap_decl): Declare.
3334 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3335 (OBJS-common): Add omp-low.o.
3336 (c-omp.o, omp-low.o): Add.
3337 (gimplify.o): Add dependency on $(OPTABS_H).
3338 (GTFILES): Add omp-low.c.
3339 (gt-stringpool.h): Add.
3340 * tree-cfg.c (set_bb_for_stmt): Do not update the
3341 block-to-labels map if we are currently expanding to RTL.
3342 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3344 Handle IDENTIFIER_NODE.
3345 (tree_verify_flow_info): Do not ICE when emitting error
3346 messages about invalid labels.
3347 (dump_function_to_file): Reset CFUN before emitting the body
3349 (debug_function): New.
3350 * passes.c (init_optimization_passes): Schedule
3352 * langhooks-def.h (lhd_omp_predetermined_sharing,
3353 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3355 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3356 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3357 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3358 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3359 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3360 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3361 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3362 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3363 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3364 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3365 (LANG_HOOK_DECLS): Use them.
3367 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3368 Richard Henderson <rth@redhat.com>
3369 Jakub Jelinek <jakub@redhat.com>
3370 Diego Novillo <dnovillo@redhat.com>
3372 * c-parser.c (pragma_omp_clause): Define.
3373 (c_parser_declaration_or_fndef): Document OpenMP syntax.
3374 (c_parser_compound_statement): Likewise.
3375 (c_parser_statement): Likewise.
3376 (c_parser_pragma): Handle omp pragmas.
3377 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3378 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3379 (c_parser_omp_clause_name, check_no_duplicate_clause,
3380 c_parser_omp_variable_list,
3381 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3382 c_parser_omp_clause_copyprivate,
3383 c_parser_omp_clause_default,
3384 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3385 c_parser_omp_clause_lastprivate,
3386 c_parser_omp_clause_nowait,
3387 c_parser_omp_clause_num_threads,
3388 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3389 c_parser_omp_clause_reduction,
3390 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3391 c_parser_omp_all_clauses, c_parser_omp_structured_block,
3392 c_parser_omp_atomic, c_parser_omp_barrier,
3393 c_parser_omp_critical, c_parser_omp_flush,
3394 c_parser_omp_for_loop, c_parser_omp_for,
3395 c_parser_omp_master, c_parser_omp_ordered,
3396 c_parser_omp_sections_scope, c_parser_omp_sections,
3397 c_parser_omp_parallel, c_parser_omp_single,
3398 c_parser_omp_construct, c_parser_omp_threadprivate): New.
3399 * c-pragma.c (init_pragma): Do omp pragma registration here.
3400 * c.opt (fopenmp): New flag.
3402 2006-01-18 Eric Christopher <echristo@apple.com>
3404 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3405 * config/darwin.h (GOMP_SELF_SPECS): Define.
3407 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3409 * rtl.h: Remove the prototype for reg_alloc.
3411 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3414 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3415 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3416 sjlj and dwarf2 exception handling.
3417 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3418 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3419 * pa/pa.c (function_value): Treat complex and vector types as
3421 (function_arg): Likewise. Only pass scalar floats in the floating
3422 point argument registers.
3423 * pa/t-slibgcc-dwarf-ver: New file.
3424 * pa/t-slibgcc-sjlj-ver: New file.
3425 * pa/t-slibgcc-elf-ver: Delete file.
3427 2006-01-19 Alan Modra <amodra@bigpond.net.au>
3429 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3430 unlikely_test_section_p test.
3432 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3434 * mode-switching.c (optimize_mode_switching): Make it static.
3435 * basic-block.h: Remove the prototype for
3436 optimize_mode_switching.
3438 * modulo-sched.c (sms_schedule): Make it static.
3439 * rtl.h: Remove the prototype for sms_schedule.
3441 * postreload-gcse.c (gcse_after_reload_main): Make it static.
3442 * rtl.h: Remove the prototype for gcse_after_reload_main.
3444 * reg-stack.c (reg_to_stack): Make it static.
3445 * rtl.h: Remove the prototype for reg_to_stack.
3447 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3449 * rtl.h: Remove the prototypes for regrename_optimize and
3450 copyprop_hardreg_forward.
3452 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
3454 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3455 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
3456 Test against the appropriate null constant for the mode.
3457 If 'fixup_overlap' is true, swap the operands if they overlap.
3458 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3459 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3460 alpha_split_tmode_pair and adjust for above change.
3461 * config/alpha/alpha.md (movtf_internal): Adjust call to
3462 alpha_split_tfmode_pair and rely on it to swap the operands.
3463 (movti_internal): New insn and post-reload splitter.
3464 (movti): New expander.
3466 2006-01-18 Philippe De Muyter <phdm@macqel.be>
3468 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3471 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3473 * rtlanal.c (global_reg_mentioned_p_1,
3474 global_reg_mentioned_p): Remove.
3475 * rtl.h: Remove the prototype for global_reg_mentioned_p.
3477 * flow.c (initialize_uninitialized_subregs): Make it static.
3478 * rtl.h: Remove the prototype for
3479 initialize_uninitialized_subregs.
3481 * function.c (instantiate_virtual_regs): Make it static.
3482 * function.h: Remove the prototype for
3483 instantiate_virtual_regs.
3485 * regmove.c (regmove_optimize, combine_stack_adjustments):
3487 * rtl.h: Remove the prototypes for regmove_optimize and
3488 combine_stack_adjustments.
3490 2006-01-17 Roger Sayle <roger@eyesopen.com>
3492 * config/i386/i386.c (COSTS_N_BYTES): New macro.
3493 (size_cost): Encode costs in bytes so that a reg-reg addition is
3494 equivalent to COSTS_N_INSNS(1).
3495 (override_options): Use the size_cost.branch_cost as the default
3496 ix86_branch_cost when optimizing for size.
3498 2006-01-18 Ben Elliston <bje@au.ibm.com>
3500 * Makefile.in (D32PBIT_FUNCS): New.
3501 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3502 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3503 D64PBIT_FUNCS and D128PBIT_FUNCS.
3504 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3505 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3507 (decnumber_dep): Define.
3508 * doc/libgcc.texi (Decimal float library routines): New node.
3509 * config/dfp-bit.h, config/dfp-bit.c: New files.
3511 2006-01-18 Ben Elliston <bje@au.ibm.com>
3513 * expr.c (emit_move_change_mode): Always adjust addresses, not
3514 just during reload. Copy replacements only during reload.
3515 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3516 emit_move_via_integer.
3518 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
3520 * Makefile.in (check-%, check-consistency): Use $${srcdir}
3521 instead of $(srcdir) and ${srcdir}.
3523 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
3527 * arm.h (struct machine_function): Add pic_reg.
3528 * arm.c (arm_pic_register): Make unsigned.
3529 (arm_override_options): Only set arm_pic_register if
3530 TARGET_SINGLE_PIC_BASE.
3531 (use_return_insn): Only test for a pic register if it is fixed.
3532 (arm_compute_save_reg0_reg12_mask): Likewise.
3533 (thumb_compute_save_reg_mask): Likewise.
3534 (legitimate_pic_operand): Factor out some known invariants.
3535 (legitimize_pic_address): If we don't have a fixed pic register,
3536 then set up a pseudo in the function entry sequence. Handle the
3537 pic base being in a pseudo.
3538 (arm_load_pic_register): Handle the pic register being in a pseudo.
3539 (arm_expand_prologue): Only set up the pic register if it is fixed.
3540 (thumb_expand_prologue): Likewise.
3541 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3542 (pic_load_addr_based_insn): Likewise.
3543 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3546 2006-01-18 Ben Elliston <bje@au.ibm.com>
3548 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3549 decimal float modes for all floating point registers.
3551 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3552 match_code "mem" with match_test "macho_lo_sum_memory_operand".
3554 2006-01-17 Jakub Jelinek <jakub@redhat.com>
3557 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3558 even when the pointer is not NULL.
3560 2006-01-16 Ian Lance Taylor <ian@airs.com>
3562 * common.opt (ftoplevel-reorder): New option.
3563 * cgraph.c (cgraph_asm_nodes): New global variable.
3564 (cgraph_asm_last_node): New static variable.
3565 (cgraph_order): New global variable.
3566 (cgraph_create_node): Set new order field.
3567 (cgraph_varpool_node): Likewise.
3568 (decide_is_variable_needed): Return true if not
3569 flag_toplevel_reorder.
3570 (cgraph_add_asm_node): New function.
3571 * cgraph.h (struct cgraph_node): Add order field.
3572 (struct cgraph_varpool_node): Add order field.
3573 (struct cgraph_asm_node): Define.
3574 (cgraph_asm_nodes, cgraph_order): Declare.
3575 (cgraph_add_asm_node): Declare.
3576 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3578 (cgraph_varpool_assemble_pending_decls): Call it.
3579 (cgraph_output_pending_asms): New static function.
3580 (cgraph_finalize_compilation_unit): Call it.
3581 (struct cgraph_order_sort): Define.
3582 (cgraph_output_in_order): New static function.
3583 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
3584 !flag_toplevel_reorder case.
3585 * c-parser.c: Include "cgraph.h".
3586 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3588 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3589 than -fno-unit-at-a-time.
3590 * doc/invoke.texi (Option Summary): Mention
3591 -fno-toplevel-reorder.
3592 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
3593 -funit-at-a-time documentation.
3595 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
3596 Kazu Hirata <kazu@codesourcery.com>
3598 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3600 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
3602 * Makefile.in (FUNCTION_H): New. Use it instead of
3603 function.h throughout the file.
3604 * function.h: Include tree.h.
3606 2006-01-17 Ben Elliston <bje@au.ibm.com>
3608 * recog.c: Separate some functions with whitespace.
3610 2006-01-16 Richard Henderson <rth@redhat.com>
3612 Merge from gomp branch:
3613 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
3614 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3615 and rename from struct inline_data. Rename callee* to dst*;
3616 caller* to src*; add copy_decl hook, transform_call_graph_edges,
3617 transform_new_cfg, transform_return_to_modify, and
3618 transform_lang_insert_block flags; remove cloning_p, versioning_p,
3620 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3621 (copy_decl_for_dup): Remove.
3622 * tree-inline.c (struct inline_data): Move to header.
3623 (insert_decl_map): Export.
3624 (remap_decl): Update for member name changes. Use copy_decl hook.
3625 Allow for replacement to be a non-decl. Remove dead code.
3626 (remap_type_1): Check for existing mapping.
3627 (remap_type): Export.
3628 (remap_decls): Update for member name changes.
3629 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3630 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3631 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3632 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3633 (tree_function_versioning, build_duplicate_type): Likewise.
3634 (copy_body_r): Likewise. Export.
3635 (copy_decl_for_dup): Split into ...
3636 (copy_decl_for_dup_finish, copy_decl_to_var,
3637 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3638 (replace_ref_tree, inlining_p): Remove.
3640 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3642 * ifcvt.c (if_convert): Make it static.
3643 * rtl.h: Remove the prototype for if_convert.
3645 * local-alloc.c (local_alloc): Make it static.
3646 * rtl.h: Remove the prototype for local_alloc.
3648 * loop.c (loop_optimize): Make it static.
3649 * cfgloop.h: Remove the prototype for loop_optimize.
3652 2006-01-16 DJ Delorie <dj@redhat.com>
3654 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3657 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3659 * pa.md: Disparage copies between general and floating-point registers
3660 in 32-bit move patterns.
3662 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
3665 * Makefile.in (check-%): Depend on site.exp instead of
3666 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3669 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3671 * global.c (global_alloc): Make it static.
3672 * rtl.h: Remove the prototype for global_alloc.
3674 2006-01-16 Richard Guenther <rguenther@suse.de>
3676 * tree-ssa-alias.c (struct used_part): Add write_only field.
3677 (get_or_create_used_part_for): Initialize it to true.
3678 (create_overlap_variables_for): Don't create structure variables
3679 for structures that only are written to.
3680 (find_used_portions): Handle MODIFY_EXPR to track whether a
3681 structure is only written to.
3683 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3685 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3687 * basic-block.h: Remove the prototype for
3688 partition_hot_cold_basic_blocks.
3690 2006-01-16 Rafael Ã
\83vila de Esp�ndola <rafael.espindola@gmail.com>
3692 * cppspec.c (lang_specific_spec_functions): Remove.
3693 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3694 * gcc.h (lang_specific_spec_functions): Remove.
3695 * gccspec.c (lang_specific_spec_functions): Remove.
3697 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
3699 * combine.c (record_value_for_reg): Invalidate registers
3701 (record_dead_and_set_regs_1): Likewise, by passing them to
3702 record_value_for_reg.
3703 (record_dead_and_set_regs): Invalidate stores made by a
3704 call. We do not combine across a call, but we still
3705 relied on equivalences.
3707 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3709 * tree-vrp.c (extract_range_from_binary_expr): Cope with
3710 vrp_int_const_binop returning non-constant nodes.
3712 2006-01-16 Paul Brook <paul@codesourcery.com>
3714 * config/m68k/m68k.c (output_move_const_into_data_reg):
3715 Output correct mnemonic for mvz and mvs.
3717 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
3719 * rtl-factoring.c: Add sequence abstraction algorithm.
3720 * cfgcleanup.c (outgoing_edges_match): Extra checks.
3721 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
3723 (block_has_preserve_label): New function.
3724 * common.opt: Register new pass.
3725 * Makefile.in: Ditto.
3727 * timevar.def: Ditto.
3728 * tree-pass.h: Ditto.
3729 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
3730 * rtl.h (make_jump_insn_raw): Add forward decl.
3731 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
3733 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3734 Roger Sayle <roger@eyesopen.com>
3736 * fold-const.c (fold_minmax): New static function.
3737 (fold_binary) <MIN_EXPR>: Call it.
3738 <MAX_EXPR>: Likewise.
3739 * stor-layout.c (place_field): Use DECL_SIZE consistently
3740 in the computation of the new record size.
3742 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3744 * cse.c (cse_condition_code_reg): Make it static.
3745 * rtl.h: Remove the prototype for cse_condition_code_reg.
3747 * combine.c (combine_instructions): Make it static.
3748 * rtl.h: Remove the prototype for combine_instructions.
3750 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3753 * tree.c (get_file_function_name_long): Concatenate the first global
3754 object name with a string derived from the input filename of the object
3757 2006-01-16 Ben Elliston <bje@au.ibm.com>
3759 * config/i386/winnt-stubs.c: Update FSF address.
3760 * config/xtensa/ieee754-df.S: Ditto.
3761 * config/xtensa/ieee754-sf.S: Ditto.
3763 2006-01-14 Ian Lance Taylor <ian@airs.com>
3765 * ifcvt.c (noce_init_if_info): New static function, broken out of
3766 noce_process_if_block.
3767 (noce_process_if_block): Call noce_init_if_info.
3768 (check_cond_move_block): New static function.
3769 (cond_move_process_if_block): New static function.
3770 (process_if_block): Call cond_move_process_if_block.
3772 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
3774 * cselib.c (hash_table): Rename to cselib_hash_table.
3775 (cselib_clear_table, discard_useless_values,
3776 remove_useless_values, cselib_lookup_mem, cselib_lookup,
3777 cselib_init, cselib_finish): Adjust uses of hash_table.
3779 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
3781 PR tree-optimization/25485
3782 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
3783 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
3784 is known to be false and true, respectively.
3786 2006-01-14 Richard Guenther <rguenther@suse.de>
3788 PR tree-optimization/22548
3789 PR tree-optimization/22555
3790 PR tree-optimization/22501
3791 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
3792 * params.def (salias-max-array-elements): New parameter.
3793 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
3794 * doc/invoke.texi (salias-max-array-elements): Document.
3795 * tree-flow-inline.h (var_can_have_subvars): We also handle
3797 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
3799 * tree-ssa-structalias.c (params.h): Include.
3800 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
3801 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
3802 (get_constraint_for): For ADDR_EXPR operating on something
3803 containing an ARRAY_REF, add all subvars to the solution.
3804 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
3805 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
3806 for creating MUST_DEFs.
3807 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
3809 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
3811 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
3813 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3814 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3815 number_of_iterations_le): New functions.
3816 (number_of_iterations_special): Removed.
3817 (number_of_iterations_exit): Do not use number_of_iterations_special.
3818 * tree.c (unsigned_type_for): Always return integer type.
3820 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
3821 Richard Guenther <rguenther@suse.de>
3823 PR rtl-optimization/24257
3824 * gcse.c (find_moveable_store): Only consider a store movable
3825 when the SET_SRC of the insn can be assigned to a register.
3827 2006-01-14 Ian Lance Taylor <ian@airs.com>
3829 * tree.c (tree_not_class_check_failed): New function.
3830 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
3831 (tree_not_class_check_failed): Declare.
3833 2006-01-13 Ian Lance Taylor <ian@airs.com>
3835 * reload1.c (do_output_reload): Add assertion rejecting a
3838 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
3840 * combine.c (struct reg_stat): Add new fields truncation_label and
3842 (record_value_for_reg): Reset truncated_to_mode.
3843 (record_truncated_value): New function.
3844 (check_promoted_subreg): Call it. Rename to check_conversions.
3845 (combine_instructions): Rename check_promoted_subreg to
3847 (reg_truncated_to_mode): New function.
3848 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
3849 (gen_lowpart_or_truncate): New function.
3850 (force_to_mode): Use it instead of gen_lowpart.
3852 2006-01-13 Diego Novillo <dnovillo@redhat.com>
3854 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
3855 VAR is a tag, not its type tag.
3857 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
3859 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3860 alternatives to match style of other entries.
3861 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
3863 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
3865 PR tree-optimization/25771
3866 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3869 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
3872 * tree-inline.c (declare_return_variable): If the return variable
3873 was marked as a non gimple complex, set the return slot variable
3874 to be a non gimple comple variable.
3876 2006-01-13 Richard Guenther <rguenther@suse.de>
3878 * builtins.c (expand_builtin_sincos): New function.
3879 (expand_builtin_mathfn_3): Remove dead code, sin and cos
3881 (expand_builtin): Expand sincos using expand_builtin_sincos.
3883 2006-01-12 DJ Delorie <dj@redhat.com>
3885 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3886 shift counts, separate SI shifts for m32c vs m16c, pass shift type
3887 so that constant shifts can be split.
3888 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3889 (m32c_valid_pointer_mode): Make static.
3890 (shift_gen_func_for): New.
3891 (m32c_prepare_shift): Use it. Split large const shifts into
3893 * config/m32c/predicates.md (shiftcount_operand): Allow more
3895 (longshiftcount_operand): New.
3896 * doc/md.texi (Machine Constraints): Document In6.
3898 2006-01-13 Ben Elliston <bje@au.ibm.com>
3900 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
3901 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
3904 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
3906 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
3907 to try to avoid clobbering pieces of structures when we know
3908 something about the whole structure.
3909 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
3911 2006-01-13 Ben Elliston <bje@au.ibm.com>
3913 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
3914 return in memory, as this is no limitation is no longer present.
3916 2006-01-12 DJ Delorie <dj@redhat.com>
3918 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
3919 mova with fb, and for fb+0 -> An.
3921 * config/m32c/mov.md (peephole2): Fix enabling logic.
3923 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3924 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
3925 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
3926 FINI_ARRAY_SECTION_ASM_OP): Define.
3928 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
3930 (m32c_legitimize_reload_address): New logic to reload FB to An.
3931 (m32c_output_reg_push): Add newline.
3932 (m32c_output_reg_pop): Likewise.
3934 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
3936 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
3938 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
3940 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3942 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3944 * config/sh/predicates.md (sh_rep_vec): Add parallel to
3947 2006-01-11 Ben Elliston <bje@au.ibm.com>
3949 * rtlanal.c (find_reg_note): Assert insn is not null.
3951 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3953 * df-scan.c (df_hard_reg_init): Move declaration of i outside
3956 2006-01-11 Jeff Law <law@redhat.com>
3958 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
3960 (mark_threaded_blocks, register_jump_thread): New functions.
3961 (thread_through_all_blocks): Remove unwanted argument. No
3962 longer rely on e->aux to communicate thread target info.
3963 Call mark_threaded_blocks. Release the threaded_blocks
3964 bitmap and threaded_edges vector when complete.
3965 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
3966 (threaded_blocks): Remove.
3967 (tree_ssa_dominator_optimize): Remove initialization and
3968 finalization of threaded_blocks. Simplify call to
3969 thread_through_all_blocks.
3970 (thread_across_edge): Call register_jump_thread rather than
3971 storing thread information into e->aux.
3972 (free_all_edge_infos): Simplify now that e->aux is no longer
3973 used to communicate with thread_through_all_blocks.
3974 * tree-flow.h (thread_through_all_blocks): Update prototype.
3975 (register_jump_thread): Prototype.
3977 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3979 * df-core.c (df_compact_blocks, df_bb_replace): Use
3980 SET_BASIC_BLOCK instead of BASIC_BLOCK.
3982 2006-01-11 Richard Guenther <rguenther@suse.de>
3984 PR tree-optimization/25734
3985 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3986 stop propagation after successful propagation to the LHS.
3988 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3990 * basic-block.h (control_flow_graph): Change the type of
3991 x_basic_block_info to VEC(basic_block,gc) *.
3992 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
3994 (SET_BASIC_BLOCK): New.
3995 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
3996 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
3997 * cfgbuild.c (find_basic_blocks): Likewise.
3998 * cfglayout.c (fixup_reorder_chain): Likewise.
3999 * cfgrtl.c (create_basic_block_structure,
4000 rtl_create_basic_block): Likewise.
4001 * ifcvt.c (find_if_case_1): Likewise.
4002 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4005 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4007 * Makefile.in: Removed rotted odf.c entry.
4009 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
4012 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4013 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4014 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4015 output pattern modifier, not %e.
4016 * config/cris/cris.c (cris_op_str): Update comment about pattern
4018 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4019 before falling through into...
4020 <case 'E'>: Redefined from old 'e' case.
4022 2006-01-11 Jan Hubicka <jh@suse.cz>
4025 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4027 2006-01-11 Jan Hubicka <jh@suse.cz>
4029 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4030 * i386.c (x86_decompose_lea): Kill.
4031 (ix86_rtx_costs): Kill.
4033 2006-01-11 Jan Hubicka <jh@suse.cz>
4035 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4036 * cgraph.h (cgraph_node): Add inline_decl.
4037 (cgraph_insert_node_to_hashtable): Declare.
4038 (save_inline_function_body): Declare.
4039 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4041 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4042 (cgraph_function_versioning): Update call of tree_function_versioning.
4043 (save_inline_function_body): New function.
4044 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4045 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4046 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4047 (cgraph_default_inline_p): Likewise.
4048 (cgraph_decide_inlining_incrementally): Likewise.
4049 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4050 (copy_bb): Kill saving; do updating of clones.
4051 (copy_cfg_body): Kill saving.
4052 (initialize_inlined-parameters): Likewise.
4053 (expand_call_inline): Likewise.
4055 (tree_function_versioning): New parameter "update_clones".
4056 (inlining_p): Kill saving.
4057 * tree-inline.h (tree_function_versioning): Update prototype.
4058 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4061 2006-01-11 Ian Lance Taylor <ian@airs.com>
4063 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4064 Allow undoing set of machine mode.
4065 (do_SUBST): Use enums instead of is_int.
4066 (do_SUBST_MODE): New function.
4067 (SUBST_MODE): New macro.
4068 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4069 reg and trying to replace reg_regno_rtx with a new register.
4070 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4071 (simplify_set): Use SUBST_MODE.
4072 (distribute_notes): Remove code that tried to update reg notes
4073 for regno_reg_rtx changes.
4075 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4077 PR tree-optimization/23109
4078 PR tree-optimization/23948
4079 PR tree-optimization/24123
4081 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4082 * tree-cfg.c (single_noncomplex_succ): New.
4083 * tree-flow.h (single_noncomplex_succ): Declare it.
4084 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4085 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4086 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4087 insert_bb, register_division_in, insert_reciprocals,
4088 replace_reciprocal, free_bb): New.
4089 (execute_cse_reciprocals_1): Rewritten.
4090 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4091 Do not commit any edge insertion. Always compute dominators and
4092 create the allocation pool.
4093 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4094 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4095 * targhooks.c (default_min_divistions_for_recip_mul): New.
4096 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4097 * passes.c (init_optimization_passes): Run recip after tree loop
4099 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4101 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4102 Kenneth Zadeck <zadeck@naturalbridge.com>
4104 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4105 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4106 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4107 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4108 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4109 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4110 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4111 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4112 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4113 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4114 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4115 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4116 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4117 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4118 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4119 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4120 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4121 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4122 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4123 DF_SCAN_POST_ALLOC): New macros.
4124 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4125 df_free_bb_function, df_local_compute_function, df_init_function,
4126 df_dataflow_function, df_confluence_function_0,
4127 df_confluence_function_n, df_transfer_function,
4128 df_finalizer_function, df_free_function, df_dump_problem_function,
4129 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4130 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4131 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4132 df_urec_bb_info, ) New types.
4133 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4135 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4136 df_analyze_simple_change_some_blocks,
4137 df_analyze_simple_change_one_block, df_compact_blocks,
4138 df_bb_replace, df_bb_regno_last_use_find,
4139 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4140 df_insn_regno_def_p, df_find_def, df_find_use,
4141 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4142 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4143 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4144 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4145 debug_df_chain, df_get_dependent_problem, df_chain_create,
4146 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4147 df_grow_bb_info, df_chain_dump, df_print_bb_index,
4148 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4149 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4150 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4151 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4152 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4153 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4154 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4155 df_ref_remove, df_insn_refs_delete, df_refs_delete,
4156 df_reorganize_refs, df_set_state, df_hard_reg_init,
4157 df_read_modify_subreg_p) New public functions.
4158 * df-core.c: The core dataflow solver and glue routines for rtl
4160 (df_init, df_add_problem, df_set_blocks, df_finish,
4161 df_hybrid_search_forward, df_hybrid_search_backward,
4162 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4163 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4164 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4165 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4166 df_reg_defined, df_find_use, df_reg_used, df_dump,
4167 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4168 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4169 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4170 debug_df_useno, reset_df_after_reload): New functions.
4171 * df-scan.c: The scanning fuctions, once in df.c, completely
4172 rewritten so that they now fully model the functionality of
4173 register usage at the backend.
4174 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4175 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4176 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4177 df_grow_insn_info, df_rescan_blocks, df_ref_create,
4178 df_get_artificial_defs, df_get_artificial_uses,
4179 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4180 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4181 df_refs_delete, df_reorganize_refs, df_set_state,
4182 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4183 df_def_record_1, df_defs_record, df_uses_record,
4184 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4185 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4186 df_record_exit_block_uses, df_hard_reg_init): New functions.
4188 * df-problems.c: Seven concrete dataflow problems that use the
4189 scanning in df-scan.c and are solved by the engine in df-core.c.
4190 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4191 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4192 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4193 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4194 df_ru_free_bb_info, df_ru_alloc,
4195 df_ru_bb_local_compute_process_def,
4196 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4197 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4198 df_ru_transfer_function, df_ru_free, df_ru_dump,
4199 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4200 df_rd_free_bb_info, df_rd_alloc,
4201 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4202 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4203 df_rd_transfer_function, df_rd_free, df_rd_dump,
4204 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4205 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4206 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4207 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4208 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4209 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4210 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4211 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4212 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4213 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4214 df_urec_mark_reg_change, df_urec_check_earlyclobber,
4215 df_urec_mark_reg_use_for_earlyclobber,
4216 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4217 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4218 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4219 df_urec_dump, df_urec_add_problem, df_chain_alloc,
4220 df_chain_create_bb_process_use, df_chain_create_bb,
4221 df_chain_finalize, df_chain_free, df_chains_dump,
4222 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4223 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4224 df_reg_lifetime): New functions.
4225 * df.c: Deleted file.
4226 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
4227 consistent with new df api.
4228 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
4229 rest_of_handle_sms): Ditto.
4230 * web.c (unionfind_union, union_defs, entry_register, web_main):
4232 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
4233 invariant_expr_equal_p, find_defs, check_dependencies,
4234 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
4235 free_inv_motion_data, move_loop_invariants): Ditto.
4236 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
4237 Update dependencies.
4238 (odf.c): Added defective entry that was deleted later in day.
4239 * sched-deps.c (sched_analyze_1): Ditto.
4241 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4243 * tree-ssa-operands.c (get_expr_operands): Record addressable
4244 variables directly. Do not call add_stmt_operands for CONST_DECLs
4246 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
4247 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
4249 2006-01-11 Ben Elliston <bje@au.ibm.com>
4251 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
4252 function returns true in the positive case.
4254 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4257 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
4258 for SI, DI, SF and DF modes. Add alternatives to copy between
4259 general and floating point registers to the 32-bit patterns.
4260 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
4261 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
4262 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
4263 generating 64-bit code.
4264 * config/pa/pa.c (output_move_double): Handle copies between general
4265 and floating registers.
4267 2006-01-10 Stuart Hastings <stuart@apple.com>
4269 * config/i386/i386.md (set_got): Update.
4270 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
4271 (builtin_setjmp_receiver): Mach-O support.
4272 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
4273 (GOT_SYMBOL_NAME): Define.
4274 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4275 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
4276 * config/i386/i386.c (override_options): Revise for Darwin.
4277 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
4278 support. (darwin_x86_file_end): New. (output_set_got): Add label
4279 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
4280 * config/i386/i386-protos.h (output_set_got): Likewise.
4281 * config/darwin.c (machopic_legitimize_pic_address): Update
4284 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
4286 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
4287 when MODE isn't BLKmode.
4289 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4291 PR rtl-optimization/25367
4292 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
4294 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
4297 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
4298 for a negative bound.
4300 2006-01-10 Richard Guenther <rguenther@suse.de>
4302 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4303 Never override with anything constraint.
4305 2006-01-10 Jan Beulich <jbeulich@novell.com>
4307 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
4308 256 bits when optimize_size.
4310 2006-01-10 Jan Beulich <jbeulich@novell.com>
4312 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
4314 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
4315 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
4318 2006-01-10 Ben Elliston <bje@au.ibm.com>
4320 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
4322 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
4323 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4324 (USE_FP_FOR_ARG): Reject decimal float modes.
4325 (function_arg_advance): Likewise.
4326 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4327 (rs6000_handle_altivec_attribute): Do not permit decimal floating
4328 point types in AltiVec vectors.
4329 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4330 (rs6000_libcall_value): Likewise.
4332 2006-01-09 Bob Wilson <bob.wilson@acm.org>
4334 * config/xtensa/ieee754-df.S: New file.
4335 * config/xtensa/ieee754-sf.S: New file.
4336 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4337 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4338 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4340 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
4342 * config/sh/predicates.md (binary_float_operator,
4343 binary_logical_operator, commutative_float_operator,
4344 equality_comparison_operator, greater_comparison_operator,
4345 less_comparison_operator, logical_operator,
4346 noncommutative_float_operator, shift_operator,
4347 symbol_ref_operand, unary_float_operator): Remove redundant
4350 2006-01-09 Jeff Law <law@redhat.com>
4352 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4353 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
4354 now unused arguments. Callers updated.
4355 (eliminate_redundant_computations): Remove now unused arguments,
4357 (local_fold): Remove, no longer used.
4358 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4360 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4361 (simplify_cond): New function.
4362 (forward_propagate_into_cond): Call simplify_cond.
4364 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
4366 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4367 (*vec_extractv2di_1_sse): New.
4369 2006-01-09 Ben Elliston <bje@au.ibm.com>
4371 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4373 2006-01-08 Richard Guenther <rguenther@suse.de>
4375 * tree-ssa-structalias.c (get_constraint_for): Remove
4377 (get_constraint_for_component_ref): Likewise.
4378 (do_deref): Likewise.
4379 (get_constraint_for): Likewise.
4380 (do_structure_copy): Likewise.
4381 (handle_ptr_arith): Likewise.
4382 (find_func_aliases): Likewise. Remove unused need_anyoffset
4385 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
4386 Kaz Kojima <kkojima@gcc.gnu.org>
4388 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4389 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4390 (EXTRA_CONSTRAINT_C16): Remove.
4391 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4392 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4393 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4394 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4395 constants of SHmedia. Handle nested constant expressions of
4397 (andcosts): Fix the costs for SHmedia constants.
4398 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4399 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4400 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4401 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4402 (movv4hi_i, movv2si_i): Likewise.
4403 (movsi_const): Adjust the second operand of ior so to match with
4405 (movdi_const, movdi_const_32bit): Likewise.
4406 (movdi_const_16bit+1): Don't sign-extend LOW.
4407 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
4409 (*double_shori): Fix the split condition. Use GEN_INT instead
4410 of get_int_mode calls. Mask lower 16-bit of the argument of
4412 (sym2GOTPLT): Remove.
4413 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4415 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4416 instead of EXTRA_CONSTRAINT_C16.
4418 2006-01-07 Ian Lance Taylor <ian@airs.com>
4419 David Edelsohn <edelsohn@gnu.org>
4421 PR rtl-optimization/25662
4422 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4423 for constant operands instead of simplify_gen_binary.
4424 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4425 after trying simplify_binary_operation
4427 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
4429 * tree.c (iterative_hash_expr): Hash decls based on UID.
4431 2006-01-06 Eric Christopher <echristo@apple.com>
4433 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4434 (TARGET_UNWIND_EMIT): Fix spelling.
4435 * target.h (gcc_target): Add except_table_label.
4436 * except.c (output_function_exception_table): Use.
4437 * varasm.c (default_emit_except_table_label): New.
4438 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4440 (asm_out): Add here.
4441 * output.h (default_emit_except_table_label): Prototype.
4442 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4443 * config/darwin.c (darwin_emit_except_table_label): Define.
4444 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4446 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
4448 PR tree-optimization/18527
4449 * tree-ssa-loop-niter.c (number_of_iterations_cond,
4450 number_of_iterations_special, number_of_iterations_exit):
4451 Move base and step of an iv to a single structure. Add
4452 no_overflow flag, and use it in # of iterations analysis.
4453 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4454 folded_casts argument.
4455 (simple_iv): Pass base and step in a structure. Set no_overflow
4457 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4458 Evaluate expensiveness of computing # of iterations instead of
4459 the final expression.
4460 * tree-scalar-evolution.h (affine_iv): New structure.
4461 (simple_iv): Declaration changed.
4462 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4463 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4464 find_givs_in_stmt): Changed due to simple_iv change.
4466 2006-01-06 Jeff Law <law@redhat.com>
4469 * tree-cfg.c (bsi_replace): Rename final argument from
4470 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
4471 change (stmt -> orig_stmt).
4472 * tree-eh.c (verify_eh_throw_stmt_node): New function.
4473 (bsi_remove): Add new argument. Remove EH information
4475 (verify_eh_throw_table_statements): New function.
4476 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
4478 * tree-optimize.c (execute_free_cfg_annotations): Verify
4479 the EH throw statement table after removing annotations.
4480 * except.h (verify_eh_throw_table_statements): Prototype.
4481 * tree-flow.h (bsi_remove): Update prototype.
4482 * tree-vrp.c (remove_range_assertions): Add new argument to
4484 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4485 * tree-complex.c (expand_complex_div_wide): Likewise.
4486 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4487 * tree-tailcall.c (eliminate_tailcall): Likewise.
4488 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4489 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4490 * tree-nrv.c (tree_nrv): Likewise.
4491 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4492 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4493 (combine_blocks): Likewise.
4494 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4495 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4496 (cleanup_control_flow): Likewise.
4497 (remove_forwarder_block): Likewise.
4498 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4499 * tree-sra.c (sra_replace): Likewise.
4500 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4501 (forward_propagate_single_use_vars): Likewise.
4502 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4503 * tree-inline.c (expand_call_inline): Likewise.
4504 * tree-vect-transform.c (vect_transform_loop): Likewise.
4505 * tree-outof-ssa.c (rewrite_trees): Likewise.
4506 * tree-cfg.c (make_goto_expr_edges): Likewise.
4507 (cleanup_dead_labels): Likewise.
4508 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4509 (bsi_move_before, bsi_move_after): Likewise.
4510 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4511 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4513 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
4516 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4518 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4519 on non gimple variables. Also add checks at the top for decls and
4521 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4523 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4524 and IMAGPART_EXPR for creating MUST_DEFs.
4525 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4526 and NAME_MEMORY_TAG separately from the DECLs.
4528 2006-01-06 Richard Guenther <rguenther@suse.de>
4530 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4531 annotation, if necessary.
4532 * tree-ssa-pre.c (create_expression_by_pieces): Remove
4533 redundant calls to update_stmt.
4534 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4537 2006-01-05 Richard Henderson <rth@redhat.com>
4539 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4541 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4543 * c-typeck.c: Update copyright date.
4545 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4547 * c-typeck.c (build_c_cast): Always warn when casting
4548 from a pointer to an integer of different size, even if
4549 the node was constant.
4551 2006-01-05 Richard Guenther <rguenther@suse.de>
4553 PR tree-optimization/22555
4554 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4555 if one structure field is an array.
4556 * tree-ssa-operands.c (get_expr_operands): Continue scanning
4557 operands even if we found a subvar, but ignore VOPs in this
4559 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4561 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4563 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
4566 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4568 2006-01-05 Richard Guenther <rguenther@suse.de>
4569 Diego Novillo <dnovillo@redhat.com>
4571 * tree-pass.h (TODO_remove_unused_locals): Define.
4572 * gimple-low.c (expand_var_p, remove_useless_vars,
4573 pass_remove_useless_vars): Remove. Update all users.
4574 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4575 (remove_unused_locals): New function.
4576 * tree-flow.h (remove_unused_locals): Declare.
4577 * passes.c (execute_todo): Call remove_unused_locals if
4578 TODO_remove_unused_locals is set.
4579 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4580 * tree-ssa-dce.c (pass_dce): Likewise.
4581 * tree-outof-ssa.c (pass_del_ssa): Likewise.
4583 2006-01-05 Richard Guenther <rguenther@suse.de>
4585 * tree-flow.h (struct fieldoff): Decompose field to
4586 type, size and decl.
4587 * tree-ssa-alias.c (create_sft): Take type as parameter.
4588 (create_overlap_variables_for): Store type, size and decl
4589 in the fieldoff structure.
4590 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
4592 (push_fields_onto_fieldstack): Likewise.
4593 (create_variable_info_for): Likewise. Use offset for the
4594 SFT name if the decl is not available.
4596 2006-01-04 Paul Brook <paul@codesourcery.com>
4598 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
4600 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
4602 * lambda-code.c (can_put_in_inner_loop): Relax
4604 (can_put_after_inner_loop): New function.
4605 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
4606 (perfect_nestify): Change to make copies and modify uses.
4608 2006-01-04 Richard Henderson <rth@redhat.com>
4610 Merge from gomp branch:
4611 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
4612 via integer constant.
4613 (pragma_lex): Remove.
4614 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
4615 rather than parsing it.
4616 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
4617 handle_pragma_extern_prefix): Add %< %> quotes.
4618 (registered_pragmas): New.
4619 (c_register_pragma_1): New.
4620 (c_register_pragma): Use it.
4621 (c_register_pragma_with_expansion): Likewise.
4622 (c_invoke_pragma_handler): New.
4623 (init_pragma): Use cpp_register_deferred_pragma directly for
4625 * c-pragma.h (enum pragma_kind): New.
4626 (pragma_handler): New.
4627 (c_invoke_pragma_handler): Declare.
4628 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
4630 * c-common.h (c_common_pch_pragma): Update decl.
4631 * Makefile.in (c-parser.o): Update dependencies.
4632 (GTFILES): Add c-pragma.h.
4633 * c-parser.c (struct c_token): Add pragma_kind.
4634 (struct c_parser): Add in_pragma.
4635 (c_lex_one_token): Always initialize keyword and pragma_kind.
4636 Extract data for CPP_PRAGMA.
4637 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
4638 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
4639 Don't allow CPP_PRAGMA_EOL if in_pragma.
4640 (c_parser_consume_pragma): New.
4641 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
4642 (c_parser_skip_to_end_of_parameter): Likewise.
4643 (c_parser_skip_to_end_of_block_or_statement): Likewise.
4644 (c_parser_skip_to_pragma_eol): New.
4645 (c_parser_external_declaration): Handle CPP_PRAGMA.
4646 (c_parser_compound_statement_nostart): Likewise.
4647 (c_parser_statement_after_labels): Likewise.
4648 (c_parser_pragma): New.
4649 (pragma_lex): Likewise.
4650 (c_parser_pragma_pch_preprocess): New.
4651 (c_parser_new): Merge into ...
4652 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
4654 2006-01-04 Jeff Law <law@redhat.com>
4657 * tree-cfg.c (bsi_replace): Remove the original statement
4658 from the EH throw statement table.
4660 2006-01-04 Jakub Jelinek <jakub@redhat.com>
4662 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
4663 make the prototype extern "C" and add throw ().
4666 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
4667 and pos non-negative and pos + len <= 32.
4668 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
4669 drop pos + len < HOST_BITS_PER_WIDE_INT test.
4670 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
4673 * c-common.c (handle_vector_size_attribute): Reject zero vector size
4674 as well as sizes not multiple of component size.
4677 * function.c (instantiate_expr): New function.
4678 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
4679 walk its DECL_VALUE_EXPR with instantiate_expr.
4681 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
4682 DW_OP_deref{,_size} if address isn't going to be added.
4684 2006-01-04 Ben Elliston <bje@au.ibm.com>
4686 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
4687 * config/fp-bit.c: Likewise.
4689 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
4691 * dominance.c: Add comment about why we use DFS numbering
4694 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4695 Richard Henderson <rth@redhat.com>
4697 Merge from gomp-branch:
4698 * varasm.c (assemble_variable): Handle thread-local COMMON data.
4699 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
4701 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
4703 PR rtl-optimization/25578
4704 * combine.c (combine_simplify_rtx, force_to_mode): Don't
4705 pass a parameter to simplify_shift_const if changing ASHIFTRT
4708 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
4710 * builtins.c (get_builtin_sync_mem): New function.
4711 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4712 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
4713 Call get_builtin_sync_mem to generate mem rtx.
4715 2006-01-03 Richard Guenther <rguenther@suse.de>
4718 * stmt.c (add_case_node): Make sure to clear overflow flags
4721 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4723 Merge from gomp-branch.
4724 * config/sparc/sync.md: New file.
4725 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
4726 UNSPECV_LDSTUB): New constants.
4727 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
4728 * config/sparc/predicates.md (memory_reg_operand): New predicate.
4729 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
4732 2006-01-03 Roger Sayle <roger@eyesopen.com>
4734 * combine.c (reg_subword_p): New predicate to test whether the
4735 destination of a set refers to a subword/piece of a register.
4736 (try_combine): Generalize the code to merge the setting of a
4737 pseudo to a constant followed by a set of a subword of that
4738 register to a constant.
4740 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
4742 * basic-block.h (control_flow_graph): Change the type of
4743 x_label_to_block_map to VEC(basic_block,gc) *.
4744 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
4745 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
4747 * tree-ssa-propagate.c (cfg_blocks): Change the type to
4748 VEC(basic_block,heap) *.
4749 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
4750 ssa_prop_fini): Adjust the uses of cfg_blocks.
4752 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
4754 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
4756 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
4757 hashing trees instead of a pointer hash.
4758 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
4759 compare for MEM_EXPR.
4761 PR rtl-optimization/25130
4762 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
4763 when comparing MEMs for GCSE
4765 2006-01-03 Ben Elliston <bje@au.ibm.com>
4767 * targhooks.h (default_decimal_float_supported_p): Declare.
4768 * targhooks.c (default_decimal_float_supported_p): Define.
4769 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
4770 `default_decimal_float_supported_p'.
4771 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
4773 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
4775 * combine.c (apply_distributive_law <SUBREG>): Check
4776 TRULY_NOOP_TRUNCATION.
4778 2006-01-02 Geoffrey Keating <geoffk@apple.com>
4780 * dwarf2out.c (have_switched_text_section): Delete.
4781 (have_multiple_function_sections): New.
4782 (have_location_lists): Make 'bool'.
4783 (add_AT_loc_list): Use 'true' not '1'.
4784 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
4785 (output_loc_list): Use have_multiple_function_sections.
4786 (output_ranges): Likewise.
4787 (dwarf2out_begin_function): Set have_multiple_function_sections if
4789 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
4790 Check function_section rather than DECL_SECTION_NAME.
4791 (dwarf2out_finish): Use have_multiple_function_sections.
4792 Don't clear have_location_lists.
4794 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
4795 Jan Hubicka <jh@suse.cz>
4797 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
4798 case of conditional jump jumping to the next instruction.
4799 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
4800 cases of conditional jump jumping to the next instruction.
4802 2006-01-02 Jan Hubicka <jh@suse.cz>
4804 * i386.c (*_cost): Add COSTS_N_INSNS.
4805 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
4807 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
4810 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
4812 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4814 * config/arm/arm.c (all_fpus): Fix comment typo.
4815 * config/darwin.c: Likewise.
4816 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
4817 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
4818 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
4820 2006-01-01 David Edelsohn <edelsohn@gnu.org>
4822 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
4823 (rs6000_split_compare_and_swapqhi): New.
4824 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
4825 (sync_compare_and_swapqhi_internal): New.
4826 * config/rs6000/rs6000-protos.h: Declare.