1 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3 PR rtl-optimization/26247
4 PR rtl-optimization/26248
5 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7 2006-02-13 Richard Sandiford <richard@codesourcery.com>
9 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10 * config/fixtfdi.c: Likewise.
11 * config/fixunstfdi.c: Likewise.
12 * config/floatditf.c: Likewise.
14 2006-02-13 Roger Sayle <roger@eyesopen.com>
17 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
18 into (X,C2) if C1 is a subset of the bits of C2. Transform
19 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
21 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
23 2006-02-13 Josh Conner <jconner@apple.com>
26 * varasm.c (function_section): Check for section name before
27 calling select_section on targets that define
28 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
29 unlikely_text_section instead of hot_function_section if
30 first_function_block_is_cold.
32 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
35 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
37 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
39 PR rtl-optimization/26222
40 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
41 after tree->rtl expansion.
42 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
43 before passing it to emit_move_insn.
45 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
47 * doc/invoke.texi (-Write-strings): Document that it is enabled by
49 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
50 Clarify documentation.
51 * c-common.h (warn_write_strings): Remove.
52 * c-common.c (warn_write_strings): Likewise.
53 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
56 2006-02-12 Roger Sayle <roger@eyesopen.com>
59 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
60 (do_jump_parts_zero_rtx): New function renamed from
61 do_jump_parts_equality_rtx. Made static. Add a mode argument.
62 (do_jump_parts_equality_rtx): New function split out from
63 do_jump_parts_equality. Old implementation renamed as above.
64 Call do_jump_parts_zero_rtx if either operand is zero.
65 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
66 do all of the heavy lifting.
67 (do_compare_rtx_and_jump): Handle multi-word comparisons by
68 calling either do_jump_by_parts_greater_rtx or
69 do_jump_by_parts_equality_rtx.
70 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
71 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
72 moved to do_compare_rtx_and_jump, call it directly.
73 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
74 mode argument. Call do_compare_rtx_and_jump.
75 (emit_case_nodes): Update calls to do_jump_if_equal.
77 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
79 PR rtl-optimization/26225
80 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
82 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
84 PR rtl-optimization/26232
85 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
87 2006-02-11 Jason Merrill <jason@redhat.com>
90 * tree-inline.c (declare_return_variable): Just don't use the
91 modify target if it's a gimple complex reg and the return slot
94 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
96 * doc/contrib.texi: Update my entry.
98 2006-02-10 Geoffrey Keating <geoffk@apple.com>
100 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
102 2006-02-10 Diego Novillo <dnovillo@redhat.com>
104 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
107 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
109 * doc/invoke.texi (-floop-optimize2): Removed.
110 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
111 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
112 Test flag_branch_on_count_reg only if HAVE_doloop_end.
113 * common.opt (floop-optimize2): Removed.
114 (fmove-loop-invariants): Enabled by default.
116 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
118 * tree-if-conv.c (combine_blocks): Free the result of
121 2006-02-10 Jeff Law <law@redhat.com>
123 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
125 PR tree-optimization/26213
126 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
127 loop trying to follow SSA_NAME_VALUE chains.
129 2006-02-10 Richard Guenther <rguenther@suse.de>
131 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
132 deal with structures that end in implicitly variable sized arrays.
134 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
136 PR rtl-optimization/24762
137 * df-scan.c (df_bb_refs_record): Record correct registers defined on
140 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
142 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
143 (struct ivopts_data): Add regs_used field.
144 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
145 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
146 instead of loop_data->regs_used;
147 (free_loop_data): Do not free aux fields for loops.
148 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
149 and tree_ssa_iv_optimize_finalize.
151 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
153 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
155 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
158 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
159 computing the effective result type.
161 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
164 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
165 (tree_overlaps_hard_reg_set): Declare.
166 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
167 type and signature to match function type expected by walk_tree.
168 (tree_overlaps_hard_reg_set): New function.
169 (decl_conflicts_with_clobbers_p): Rename to:
170 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
171 Use tree_overlaps_hard_reg_set. Changed caller.
172 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
173 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
174 * cris.c (cris_md_asm_clobbers): Likewise.
176 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
178 * reload1.c (emit_input_reload_insns): Delete code that tries to
179 inherit using find_equiv_reg.
181 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
183 * c-common.h (flag_const_strings): Don't declare.
184 * c-common.c (flag_const_strings): Remove.
185 * c.opt (fconst_strings): Remove.
186 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
187 <OPT_Wwrite_strings>: Don't set flag_const_strings.
188 (c_common_init_options): Don't set flag_const_strings.
189 * doc/invoke.texi (-fno-const-strings): Remove documentation.
191 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
193 * arm.md (tlobits_cbranch): New pattern.
194 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
195 testing a single bit.
197 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
200 * tree-ssa-pre.c (create_component_ref_by_pieces):
201 Handle RETURN_DECL like VAR_DECL.
203 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
206 * fold-const.c (fold_indirect_ref_1): Fold
207 "*(foo *)&complexfoo" to "__real__ complexfoo"
208 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
210 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
212 * tree-flow-inline.h (var_can_have_subvars):
213 Volatile variables should not have subvariables.
215 2006-02-09 Diego Novillo <dnovillo@redhat.com>
218 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
219 multiplying unsigned values.
222 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
224 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
226 2006-02-08 Jason Merrill <jason@redhat.com>
229 * tree.def: Elaborate on difference from MODIFY_EXPR.
230 * doc/c-tree.texi (INIT_EXPR): Likewise.
231 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
232 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
233 (gimplify_target_expr): Likewise.
234 (gimplify_cond_expr): Remove target handling.
235 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
236 (gimplify_expr): Clobber it here.
237 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
238 Do return slot optimization if we have an INIT_EXPR.
241 * tree-inline.c (declare_return_variable): Also clear
242 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
245 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
248 * gimplify.c (gimplify_one_sizepos): Fix typo.
250 2006-02-08 Jeff Law <law@redhat.com>
252 PR tree-optimization/21417
253 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
254 across a backedge if the control statement at the end of the
255 block is data dependent on other statements in the same block.
256 (record_temporary_equivalences_from_stmts): Remove over-conservative
257 test for threading across backedges.
259 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
260 control statement, handle all three special cases in the same
261 manner as they all have the same desired solution. No longer
262 special case edge flag updating when the post dominator is
265 2006-02-08 Roger Sayle <roger@eyesopen.com>
267 * tree.def (CHAR_TYPE): Remove.
268 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
269 * dwarf2out.c (base_type_die, is_base_type): Likewise.
270 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
271 (gen_string_type_die): Delete unreachable function.
273 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
274 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
275 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
276 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
277 * builtins.c (type_to_class): Likewise.
278 * fold-const.c (fold_convert, build_range_check,
279 merge_ranges): Likewise.
280 * expr.c (count_type_elements): Likewise.
281 * c-pretty-print.c (pp_c_type_specifier): Likewise.
282 * stor-layout.c (layout_type): Likewise.
283 * ipa-type-escape.c (type_to_consider): Likewise.
284 * gimplify.c (omp_firstprivatize_type_sizes,
285 gimplify_type_sizes): Likewise.
286 * explow.c (promote_mode): Likewise.
287 * tree-sra.c (is_sra_scalar_type): Likewise.
288 * varasm.c (output_constant): Likewise.
289 * tree-inline.c (remap_type_1): Likewise.
290 * convert.c (convert_to_pointer, convert_to_real,
291 convert_to_integer, convert_to_complex): Likewise.
293 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
295 * df-scan.c (df_def_record_1): A set destination may
296 be a parallel regardless of mode.
298 2006-02-08 Roger Sayle <roger@eyesopen.com>
301 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
302 * config/mips/_tilib.c: Remove.
303 * config/fixtfdi.c: New libgcc source file.
304 * config/fixunstfdi.c: New source file.
305 * config/floatditf.c: New source file.
306 * config/floatunditf.c: New souce file.
307 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
308 files above instead of config/mips/_tilib.c.
309 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
311 2006-02-08 Jeff Law <law@redhat.com>
313 PR tree-optimization/26169
314 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
317 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
319 * df.h (DF_REG_SIZE): Return the length of the initialized
322 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
324 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
325 __muldf3): Return a correctly signed zero.
327 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
329 * passes.c (register_one_dump_file): Accept the current properties
330 instead of pass number. Adjust call to dump_register. Remove
332 (register_dump_files): Now a wrapper around...
333 (register_dump_files_1): ... this one. Do not modify the pass
335 (next_pass_1): Cosmetic fix.
336 (execute_todo): Keep second parameter only. Use curr_properties
337 instead of fetching it from the pass structure. Check and set
339 (execute_one_pass): Handle TODO_set_props. Use curr_properties
340 instead of fetching it from the pass structure. Fix calls to
341 execute_todo. Update curr_properties and initialize .vcg RTL dump
342 after running the pass. Reset last_verified.
343 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
345 (FIRST_AUTO_NUMBERED_DUMP): New.
346 (dump_register): Remove "num" parameter, assign it within the
348 (get_dump_file_name): Modify template for dumps.
349 * tree-dump.h (dump_register): Adjust prototype.
350 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
351 (PROP_trees): Add PROP_gimple_lomp.
352 (TODO_set_props): New.
353 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
354 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
355 * cfgexpand.c (pass_expand): Destroy PROP_trees.
357 2006-02-08 Jakub Jelinek <jakub@redhat.com>
359 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
360 (sparc64-*-linux*): Likewise.
361 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
362 * config/sparc/t-linux: New file.
363 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
364 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
365 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
366 -m32 -mlong-double-128.
368 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
369 * config/alpha/t-linux: New file.
370 * config/alpha/libgcc-alpha-ldbl.ver: New file.
372 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
373 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
374 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
375 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
376 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
377 (CPP_ARCH32_SPEC): Remove.
379 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
381 PR tree-optimization/26145
382 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
385 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
388 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
389 >= 240000 when generating code for SOM runtime.
390 (output_indirect_call): Don't use "b,l" instruction for indirect calls
391 to $$dyncall when generating code for SOM runtime..
393 2006-02-07 Dirk Mueller <dmueller@suse.com>
396 * doc/invoke.texi (-Wsequence-point): Update documentation
397 that -Wsequence-point is implemented for C++ as well.
399 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
401 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
402 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
403 (LIB_SPEC): Likewise.
404 * doc/invoke.texi (SPARC options): Document -pthread.
406 2006-02-07 Geoffrey Keating <geoffk@apple.com>
408 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
411 2006-02-07 Roger Sayle <roger@eyesopen.com>
413 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
414 Correct comment describing BOOLEAN_TYPE.
416 2006-02-07 Dirk Mueller <dmueller@suse.com>
418 * c.opt: C++ frontend supports -Wdiv-by-zero.
419 * c-opts.c (c_common_handle_option): Remove dead case.
421 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
423 * configure.ac (TLS assembler check): Do not enable TLS by
424 default on SPARC/Solaris before version 10.
425 * configure: Regenerate.
427 2006-02-07 David Edelsohn <edelsohn@gnu.org>
429 * doc/invoke.texi (xl-compat): Document conversion and support
432 2006-02-07 Jeff Law <law@redhat.com>
434 * tree-vrp.c (find_conditional_asserts): Update comments.
435 (simplify_stmt_for_jump_threading): New.
436 (identify_jump_threads, finalize_jump_threads): New.
437 (vrp_finalize): Call identify_jump_threads.
438 (execute_vrp): Call finalize_jump_threads.
439 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
440 (vrp_element, vrp_data, vrp_element_p): Remove.
441 (vrp_hash_elt, vrp_variables_stack): Remove.
442 (vrp_hash, vrp_eq, record_range): Remove.
443 (simplify_cond_and_lookup_avail_expr): Remove.
444 (extract_range_from_cond): Remove.
445 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
446 (simplify_stmt_for_jump_threading): New.
447 (dom_thread_across_edge): New wrapper.
448 (tree_ssa_dominator_optimize): No longer initialize or
449 finalize any of the VRP datastructures. Remove iteration
450 step and simplify as a result of removal of iteration step.
451 (pass_dominator): Perform a cfg cleanup after DOM.
452 (dom_opt_finalize_block): Use the new common routines
453 for threading jumps. Simplify stack management slightly.
454 No longer need to unwind VRP state.
455 (record_equivalences_from_incoming_edge): No longer record
457 (eliminate_redundant_computations): No longer call
458 simplify_cond_and_lookup_avail_expr.
459 * tree-flow.h (potentially_threadable_block): Prototype.
460 (thread_across_edge): Likewise.
461 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
462 (tree-ssa-threadedge.o): Add dependencies.
463 * tree-ssa-threadedge.c: New file.
464 * passes.c (init_optimization_passes): Merge PHIs before
465 calling VRP. Run VRP again late in the SSA optimization pipeline.
467 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
469 * df-core.c (df_set_blocks): Do not dereference function pointers.
470 (df_finish1): Likewise.
471 (df_hybrid_search_forward): Likewise.
472 (df_hybrid_search_backward): Likewise.
473 (df_iterative_dataflow): Likewise.
474 (df_analyze_problem): Likewise.
475 (df_compact_blocks): Likewise.
477 * df-scan.c (df_rescan_blocks): Likewise.
478 (df_record_entry_block_defs): Likewise.
480 * genconditions.c (write_conditions): Guard the definition of
481 'insn_conditions' with the check on GCC version.
482 (write_writer): Guard the traversal 'insn_conditions' with
483 the check on GCC version.
485 2006-02-07 Richard Guenther <rguenther@suse.de>
489 2006-01-30 Richard Guenther <rguenther@suse.de>
491 * gimplify.c (gimplify_target_expr): Handle easy cases
492 without creating a temporary.
494 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
496 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
497 use of float in probability computations. Use edge probabilities
498 in place of statically computed probabilities.
499 (min_spec_prob): New static variable.
500 (schedule_insns): Initialize it.
501 (GET_SRC_PROB): Removed.
502 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
504 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
507 * config/ia64/unwind-ia64.c: Revert last change.
508 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
509 (INCOMING_FRAME_SP_OFFSET): Define.
511 2006-02-06 Roger Sayle <roger@eyesopen.com>
513 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
515 2006-02-07 Ben Elliston <bje@au.ibm.com>
517 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
518 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
519 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
520 (ix86_return_in_memory): Handle TDmode.
521 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
522 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
524 2006-02-06 Richard Sandiford <richard@codesourcery.com>
526 * reorg.c (dbr_schedule): Use dump_file instead of file.
528 2006-02-06 Steve Ellcey <sje@cup.hp.com>
531 * config/ia64/predicates.md (extr_len_operand): New predicate.
532 * config/ia64/ia64.md (extv): Tighten constraints.
534 (*tbit_and_2): Ditto.
535 (*tbit_and_3): Ditto.
541 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
544 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
546 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
548 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
549 loop_optimizer_init and loop_optimizer_finalize
550 * tree-ssa-sink.c (execute_sink_code): Ditto.
551 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
552 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
553 tree_ssa_loop_done): Ditto.
554 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
555 * sched-ebb.c: Include output.h.
556 (schedule_ebbs): Do not use dump argument.
557 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
558 * loop.c (loop_dump_stream): Removed.
559 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
561 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
562 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
563 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
564 loop_iterations, strength_reduce, record_biv, record_giv,
565 final_giv_value, check_final_value, check_ext_dependent_givs,
566 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
567 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
568 dump_file instead of loop_dump_stream.
569 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
571 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
573 * flow.c (life_analysis, rest_of_handle_life): Ditto.
574 * haifa-sched.c: Include output.h
575 (schedule_insns, sched_init): Do not use dump argument.
576 * mode-switching.c (optimize_mode_switching): Ditto.
577 * modulo-sched.c (stats_file): Removed.
578 (print_node_sched_params): Do not call argument dump_file.
579 (sms_schedule_by_order, loop_canon_p, sms_schedule,
580 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
582 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
584 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
585 rtl_loop_init, rtl_loop_done): Ditto.
586 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
587 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
589 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
590 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
591 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
592 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
593 * emit-rtl.c (renumber_insns): Ditto.
594 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
595 expand_gimple_basic_block, tree_expand_cfg): Ditto.
596 * regclass.c (regclass): Ditto.
597 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
598 remove_ssa_form, rewrite_out_of_ssa): Ditto.
599 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
600 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
602 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
603 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
605 * gcse.c (gcse_file, debug_stderr): Removed.
606 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
607 rest_of_handle_gcse): Do not use dump argument.
608 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
609 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
610 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
611 compute_code_hoist_vbeinout, compute_code_hoist_data,
612 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
613 compute_store_table, build_store_vectors, insert_insn_start_bb,
614 insert_store, remove_reachable_equiv_notes, replace_store_insn,
615 store_motion): Use dump_file instead of gcse_file.
616 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
617 * profile.c (profile_dump_file): Removed.
618 (branch_prob): Use dump_file instead of profile_dump_file.
619 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
621 * tree-ssa-copy.c (dump_copy_of): Ditto.
622 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
623 dump file to life_analysis.
624 * bt-load.c (branch_target_load_optimize): Ditto.
625 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
627 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
628 regclass, dbr_schedule): Declaration changed.
629 * sched-int.h (sched_init): Declaration changed.
630 * tree-profile.c (tree_profile_dump_file): Removed.
631 (tree_profile_hooks): Removed profile_dump_file hook.
632 * rtl-profile (rtl_profile_dump_file): Removed.
633 (rtl_profile_hooks): emoved profile_dump_file hook.
634 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
636 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
637 * tree-cfg.c (build_tree_cfg): Ditto.
638 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
639 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
641 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
642 life_analysis and schedule_insns.
643 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
645 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
647 * config/mips/mips.c (mips_reorg): Ditto.
648 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
651 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
653 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
654 (s390_mangle_fundamental_type): New.
655 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
658 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
659 (alpha_mangle_fundamental_type): New.
660 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
663 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
665 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
667 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
668 (sparc_mangle_fundamental_type): New.
670 2006-02-06 Jakub Jelinek <jakub@redhat.com>
672 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
673 (s390x-*-linux*): Likewise.
674 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
675 * config/s390/t-linux: New file.
677 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
679 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
680 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
682 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
684 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
685 (ANTIC_SAFE_LOADS): New macro.
686 (find_or_generate_expression): Add prototype.
687 (set_contains_value): Allow null set for sake of not always having
688 to allocate ANTIC_SAFE_LOADS.
689 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
690 Allow COMPONENT_REF too.
691 (valid_in_set): Allow COMPONENT_REF.
692 Check ANTIC_SAFE_LOADS too.
693 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
694 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
696 (can_PRE_operation): Add COMPONENT_REF.
697 (create_component_ref_by_pieces): New function.
698 (create_expression_by_pieces): Use create_component_ref_by_pieces.
699 (insert_aux): Move AGGREGATE_TYPE_P check here.
700 (compute_avail): Set bb local stmt uids.
701 (pass_pre): Use TODO_update_ssa_only_virtuals.
703 2006-02-06 Ben Elliston <bje@au.ibm.com>
705 * configure.ac: Unconditionally disable decimal float by default.
706 * configure: Regenerate.
708 2006-02-06 Ben Elliston <bje@au.ibm.com>
710 * read-rtl.c (read_name): Terminate reading on EOF.
712 2006-02-06 Ben Elliston <bje@au.ibm.com>
714 * dfp.c (decimal_real_arithmetic): Change second argument type
715 from int to enum tree_code. Do not always return true, but now
716 return result of any call to decimal_do helper functions.
717 * dfp.h (decimal_real_arithmetic): Update prototype.
719 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
721 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
723 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
726 * tree-cfg.c (cleanup_dead_labels): Also don't remove
729 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
731 * tree-vrp.c (cfg_loops): Removed.
732 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
733 Use current_loops instead of cfg_loops. Pass flags to
735 * cfgloopmanip.c (fix_loop_structure): Update only available
737 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
739 * modulo-sched.c (build_loops_structure): Removed.
740 (sms_schedule): Use loop_optimizer_init.
741 * loop-init.c (loop_optimizer_init): Use flags to determine
742 which properties of loops to prepare.
743 (rtl_loop_init): Pass flags to loop_optimizer_init.
744 * tree-ssa-sink.c (execute_sink_code): Ditto.
745 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
746 * tree-ssa-pre.c (init_pre): Ditto.
747 * cfgloop.h (LOOPS_NORMAL): New.
748 (loop_optimizer_init): Declaration changed.
750 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
752 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
753 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
755 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
757 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
759 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
760 * pa/t-pa64: Delete quadlib.c rule.
761 * pa/x-ada: Revert last change.
762 * pa/t-pa: Revert last change. Delete quadlib.c rule.
764 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
766 PR rtl-optimization/26087
767 * rtlanal.c (canonicalize_condition): Do not cross basic block
770 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
773 * config/ia64/ia64.c: Include debug.h.
774 (MAX_ARTIFICIAL_LABEL_BYTES): New.
775 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
776 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
777 (process_epilogue, process_set, process_for_unwind_directive):
778 Output unwind info only if requested. Add CFA info if requested.
779 Add new arguments as needed. Adjust callers.
780 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
782 (DWARF2_FRAME_INFO): Define to zero.
783 * config/ia64/unwind-ia64.c: Remove code that compensated for
784 the CFA offset error fixed above.
785 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
786 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
787 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
788 -funwind-tables and -fexceptions to enable frame info.
789 (dwarf2out_frame_init): Define initial CFA even if
790 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
791 DWARF2_UNWIND_INFO is nonzero, not just defined.
792 (dwarf2out_frame_finish): Output non-EH call frame info only
793 if DWARF2_FRAME_INFO is nonzero.
794 (convert_cfa_to_loc_list,
795 compute_frame_pointer_to_cfa_displacement): Define even if
796 unwind info is not supported.
797 (gen_subprogram_die): Use the above unconditionally. Remove
798 legacy alternate code.
799 * toplev.c (compile_file): Compile in call to
800 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
801 (lang_dependent_init): Ditto for dwarf2out_frame_init.
803 2006-02-04 David Edelsohn <edelsohn@gnu.org>
804 Jakub Jelinek <jakub@redhat.com>
806 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
807 IBM extended float format long double as "g" on powerpc*-linux.
809 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
812 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
813 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
815 2006-02-03 Jason Merrill <jason@redhat.com>
818 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
821 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
822 on the return slot if it's an NRV.
824 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
826 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
827 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
828 rewrite_use): Do not handle USE_OUTER.
829 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
830 add_iv_outer_candidates, may_replace_final_value,
831 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
832 (find_interesting_uses_op): Functionality of
833 find_interesting_uses_outer_or_nonlin moved here.
834 (find_interesting_uses_outside): Use find_interesting_uses_op.
836 2006-02-03 Alan Modra <amodra@bigpond.net.au>
839 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
841 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
842 Ulrich Weigand <uweigand@de.ibm.com>
845 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
846 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
847 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
848 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
850 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
851 (s390_rtx_costs): Use the new fields to calculate rtx costs.
852 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
853 Define secondary reloads for TFmode moves.
854 (constant_modes): Add TFmode.
855 (NR_C_MODES): Set to 8.
856 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
858 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
859 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
860 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
861 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
862 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
863 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
864 (FPR mode macro): Add TFmode.
865 (DSF mode macro): New.
866 (<de>, <dee> mode attributes): Removed.
867 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
868 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
869 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
870 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
871 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
872 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
873 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
874 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
875 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
876 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
877 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
878 "*negabs<mode>2", "sqrt<mode>2"):
879 Changed <de> to <xde>. R constraint replaced by <Rf>.
880 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
882 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
883 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
884 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
886 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
887 "extenddftf2", "extendsftf2"): New expanders.
888 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
889 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
890 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
891 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
893 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
894 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
895 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
896 __floatditf): Add a GCC_4.1.0 symbol version tag.
897 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
900 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
903 * config/i386/i386.c (ix86_function_ok_for_sibcall):
904 Use targetm.binds_local_p instead of TREE_PUBLIC.
906 2006-02-02 Roger Sayle <roger@eyesopen.com>
908 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
909 on INTEGER_TYPEs to indicate that it denotes a character type.
910 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
911 signed_char_type_node, unsigned_char_type_node and char_type_node.
912 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
913 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
914 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
916 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
917 Daniel Berlin <dberlin@dberlin.org>
919 * tree-tailcall.c (arg_needs_copy_p): New function.
920 (eliminate_tail_call): Use arg_needs_copy_p.
921 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
922 (add_virtual_phis): New function.
924 2006-02-02 Jakub Jelinek <jakub@redhat.com>
926 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
927 #ignore instead of #scratch for %g7 .register directive.
929 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
931 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
934 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
936 * flow.c (calculate_global_regs_live): Assert that there aren't any
939 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
941 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
943 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
944 bsi_after_labels iterator.
945 * tree-if-conv.c (find_phi_replacement_condition,
946 replace_phi_with_cond_modify_expr): Likewise.
947 * tree-scalar-evolution.c (scev_const_prop): Likewise.
948 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
950 2006-02-02 Diego Novillo <dnovillo@redhat.com>
952 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
954 2006-02-02 Diego Novillo <dnovillo@redhat.com>
957 * tree-cfg.c (move_block_to_fn): Clear out the basic block
958 array after growing it.
960 2006-02-01 Steve Ellcey <sje@cup.hp.com>
963 * fold-const.c (fold_checksum_tree): Change type of buf.
965 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
967 * reload.c (push_secondary_reload): Initialize t_icode.
969 2006-02-01 Jakub Jelinek <jakub@redhat.com>
971 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
972 -msoft-float -mlong-double-128 only issue a warning, but don't
973 swich to DFmode long double.
975 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
977 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
978 has a constant equivalent, iterate over equivalents for arg0,
979 calling simplify_relational_operation and if there's a result
980 cheaper than X, apply fold_rtx and return the result.
982 2006-02-01 Jan Hubicka <jh@suse.cz>
984 * opts.c (no_unit_at_a_time_default): New global variable.
985 (decode_options): Use it.
986 * opts.h (no_unit_at_a_time_default): Declare.
988 2006-02-01 Paul Brook <paul@codesourcery.com>
990 * function.c (assign_parm_setup_reg): Use function argument promotion
992 * expr.c (expand_expr_real_1): Use function argument promotion rules
995 2006-02-01 Steve Ellcey <sje@cup.hp.com>
997 * gcc.c (process_command): Change j to 'unsigned int'.
999 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1002 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1003 Use the corrected index for the character
1004 out of the string constant.
1006 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1008 * mode-switching.c (optimize_mode_switching): Fix size
1009 allocated for bb_info[n_entities].
1011 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1013 * gcc.c (main): Correct type that is allocated for
1014 explicit_link_files.
1016 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1018 * config/s390/s390.c (init_alignment_context): Set
1019 ALIAS_SET_MEMORY_BARRIER on the MEM.
1020 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1022 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1025 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1027 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1030 2006-01-31 Marcin Dalecki <martin@dalecki.de>
1032 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1033 * regrename.c: Ditto.
1034 * tree-ssa-loop-im.c: Ditto.
1035 * tree-dump.c: Ditto.
1036 * tree-complex.c: Ditto.
1037 * genrecog.c: Ditto.
1038 * tree-ssa-threadupdate.c: Ditto.
1040 * java/class.c: Ditto.
1041 * java/jcf-parse.c: Ditto.
1042 * java/resource.c: Ditto.
1043 * java/except.c: Ditto.
1044 * java/jvspec.c: Ditto.
1045 * java/jcf-write.c: Ditto.
1046 * java/jcf-path.c: Ditto.
1047 * java/gjavah.c: Ditto.
1048 * java/zextract.c: Ditto.
1049 * java/jcf-io.c: Ditto.
1050 * java/jcf.h: Ditto.
1051 * java/buffer.c: Ditto.
1052 * java/lang.c: Ditto.
1053 * java/parse-scan.y: Ditto.
1054 * java/lex.c: Ditto.
1055 * java/lex.h: Ditto.
1056 * cfgloopmanip.c: Ditto.
1057 * postreload-gcse.c: Ditto.
1058 * tree-ssa-loop-manip.c: Ditto.
1059 * postreload.c: Ditto.
1060 * tree-ssa-loop-ch.c: Ditto.
1064 * diagnostic.c: Ditto.
1066 * genoutput.c: Ditto.
1068 * cfghooks.c: Ditto.
1069 * cfgloopanal.c: Ditto.
1070 * objc/objc-act.c: Ditto.
1072 * genextract.c: Ditto.
1073 * genautomata.c: Ditto.
1074 * pretty-print.c: Ditto.
1076 * cgraphunit.c: Ditto.
1079 * haifa-sched.c: Ditto.
1080 * dominance.c: Ditto.
1082 * tree-ssa-loop-ivopts.c: Ditto.
1084 * mode-switching.c: Ditto.
1085 * modulo-sched.c: Ditto.
1087 * ipa-pure-const.c: Ditto.
1089 * fix-header.c: Ditto.
1091 * tree-stdarg.c: Ditto.
1092 * ipa-utils.c: Ditto.
1093 * loop-init.c: Ditto.
1094 * ipa-inline.c: Ditto.
1097 * alloc-pool.c: Ditto.
1098 * dwarf2out.c: Ditto.
1100 * genattrtab.c: Ditto.
1101 * tree-ssa-loop-ivcanon.c: Ditto.
1105 * fortran/gfortranspec.c: Ditto.
1107 * local-alloc.c: Ditto.
1108 * langhooks.c: Ditto.
1109 * function.c: Ditto.
1110 * tree-vectorizer.c: Ditto.
1112 * ipa-type-escape.c: Ditto.
1114 * tree-if-conv.c: Ditto.
1117 * tree-data-ref.c: Ditto.
1118 * loop-unroll.c: Ditto.
1119 * treelang/treetree.c: Ditto.
1122 * ggc-common.c: Ditto.
1124 * coverage.c: Ditto.
1126 * tree-cfgcleanup.c: Ditto.
1127 * tree-ssa-pre.c: Ditto.
1128 * cfgcleanup.c: Ditto.
1129 * loop-invariant.c: Ditto.
1131 * ipa-prop.c: Ditto.
1132 * print-tree.c: Ditto.
1133 * conflict.c: Ditto.
1134 * ggc-page.c: Ditto.
1135 * sched-deps.c: Ditto.
1136 * regclass.c: Ditto.
1137 * tree-object-size.c: Ditto.
1139 * bb-reorder.c: Ditto.
1140 * resource.c: Ditto.
1141 * var-tracking.c: Ditto.
1143 * df-problems.c: Ditto.
1144 * reg-stack.c: Ditto.
1147 * sched-rgn.c: Ditto.
1148 * tree-ssa-structalias.c: Ditto.
1149 * tree-ssa-reassoc.c: Ditto.
1150 * config/darwin-c.c: Ditto.
1151 * config/darwin.c: Ditto.
1152 * config/arm/arm.c: Ditto.
1154 * collect2.c: Ditto.
1157 2006-01-31 Nicolas Pitre <nico@cam.org>
1159 * arm.md (smaxsi3): Make aware of smax_m1.
1162 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
1164 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1166 2006-01-31 Richard Guenther <rguenther@suse.de>
1168 * doc/invoke.texi (-msselibm): Document.
1169 * target.h (expand_library_builtin): New target hook.
1170 * builtins.c (expand_builtin): Use expand_library_builtin.
1171 (default_expand_library_builtin): New function.
1172 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1173 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1174 (link_gcc_math_spec): Declare.
1175 (static_specs): Add link_gcc_math_spec.
1176 * expr.h (default_expand_library_builtin): Declare.
1177 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1178 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1179 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1180 * config/i386/i386.opt (msselibm): New target option.
1181 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1182 (ix86_init_sse_abi_builtins): New function.
1183 (ix86_expand_library_builtin): Likewise.
1184 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1185 (override_options): Handle error conditions wrt -msselibm.
1186 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1187 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1188 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1191 2006-01-31 Richard Guenther <rguenther@suse.de>
1192 Paolo Bonzini <bonzini@gnu.org>
1194 * doc/install.texi (--disable-libgcc-math): Document.
1196 2006-01-30 Marcin Dalecki <martin@dalecki.de>
1198 * expr.h (expand_normal): new inline function.
1199 * builtins.c: use it, use EXPAND_NORMAL explicitely.
1201 * dwarf2out.c: use it.
1206 * config/sparc/sparc.c: use it.
1207 * config/i386/i386.c: use it.
1208 * config/rs6000/rs6000.c: use it.
1209 * config/arm/arm.c: use it.
1210 * config/mips/mips.c: use it.
1211 * stmt.c: use it, use EXPAND_NORMAL explicitely.
1213 2006-01-30 Roger Sayle <roger@eyesopen.com>
1215 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1216 argv to the appropriate type.
1218 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
1220 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1223 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
1226 * config/s390/s390.c (struct machine_function): New flag
1227 decomposed_literal_pool_addresses_ok_p.
1228 (s390_reorg): Set it before final stage of literal pool transforms.
1229 (s390_decompose_address): Only accept displacements of the form
1230 (minus (label_ref ...) (label_ref ...)) if that flag is set.
1232 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
1234 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1235 the comparison routine return.
1237 2006-01-30 Michael Matz <matz@suse.de>
1239 * global.c (find_reg): Only evict for global regs.
1240 Take n_refs into account and dump more info.
1242 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
1245 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1246 (pragma_trap, pragma_nosave_low_regs): Likewise.
1247 (current_function_anonymous_args): Likewise.
1248 (sh_deferred_function_attributes): New variable.
1249 (sh_deferred_function_attributes_tail): Likewise.
1250 (print_operand): For '@', look up trap_exit attribute.
1251 (calc_live_regs): Look up trapa_handler attribute. For trapa
1252 handlers, save/restore fpscr, but don't do any other
1253 interrupt-specific saves.
1254 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1255 Fix check for partially saved registers to check for SHmedia.
1256 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1257 (sh_output_function_epilogue): Don't clear any of the removed
1259 (sh_insert_attributes): Don't check pragma_interrupt.
1260 Insert deferred attributes. Check that interrupt attribute is
1261 present for other attributes that require its presence.
1262 (sh_attribute_table): Add new attributes trapa_handler and
1264 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1265 Don't check for pragma_interrupt. Don't store argument.
1266 * sh.h (pragma_interrupt, sp_switch): Don't declare.
1267 (sh_deferred_function_attributes): Declare.
1268 (sh_deferred_function_attributes_tail): Likewise.
1269 * sh.md (sp_switch_1): Add operand. Change generator caller.
1270 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1271 (*return_i): Don't use when trap_exit attribute is in effect.
1272 (*return_trapa): New insn pattern.
1274 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1275 setting c_target_objs and cxx_target_objs.
1276 * t-sh: Add rule for sh-c.o.
1278 2006-01-30 Richard Guenther <rguenther@suse.de>
1281 * gimplify.c (gimplify_target_expr): Handle easy cases
1282 without creating a temporary.
1284 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
1286 * vec.h (safe_grow): Remove duplicated line.
1288 2006-01-29 Diego Novillo <dnovillo@redhat.com>
1291 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1292 (expand_omp): ... here.
1293 (expand_omp_parallel): Only remove barriers for combined
1294 parallel+workshare constructs.
1296 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
1300 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1301 * tree.c (build_qualified_type): Chain the new type to the original
1302 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1303 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1304 (build_pointer_type_for_mode): Only return unqualified types.
1305 (build_reference_type_for_mode): Likewise.
1307 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
1309 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1310 * Makefile.in (CXX_COMPAT_WARN): Define.
1311 * configure: Regenerate.
1313 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
1316 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1319 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1321 * toplev.c: Fix thinko.
1323 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1324 Marcin Dalecki <martin@dalecki.de>
1326 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1327 (push_srcloc): Use XNEW.
1328 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1330 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1332 * df-core.c (df_set_blocks): Deleted all variable.
1334 2006-01-28 Ian Lance Taylor <ian@airs.com>
1336 * cgraphunit.c (cgraph_assemble_pending_functions): Call
1337 cgraph_output_pending_asms.
1339 2006-01-28 Zack Weinberg <zackw@panix.com>
1341 * c.opt: Add -W(no-)overlength-strings.
1342 * doc/invoke.texi: Document it.
1343 * c-opts.c (c_common_handle_option): -pedantic implies
1344 -Woverlength-strings, if not explicitly disabled already.
1345 (c_common_post_options): -Woverlength-strings defaults to off, and
1346 is always off for C++.
1347 * c-common.c (fix_string_type): Issue warning about strings longer
1348 than is portable only if warn_overlength_strings. Rearrange code
1349 a little for clarity.
1350 * configure.in: Check for -Wno-overlength-strings as well before
1351 enabling -pedantic in stage 1.
1352 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1353 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1355 * genconditions.c (write_header, write_one_condition)
1356 (write_conditions, write_writer): Consolidate very long strings
1357 that were broken up to fit in C89 portable limit. Don't use
1358 printf when fputs will do.
1360 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
1362 * combine.c (simplify_comparison <AND>): Check
1363 TRULY_NOOP_TRUNCATION before start using a subreg.
1365 * config/mips/mips.md (*branch_zero<mode>,
1366 *branch_zero<mode>_inverted, *branch_equality<mode>,
1367 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1368 Remove mode check from comparisons.
1370 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
1372 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1374 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1376 * expmed.c (const_mult_add_overflow_p): Remove.
1377 * expr.h: Remove the prototype for const_mult_add_overflow_p.
1379 * recog.c (validate_replace_rtx_subexp): Remove.
1380 * recog.h: Remove the prototype for
1381 validate_replace_rtx_subexp.
1383 * integrate.h: Remove the prototype for
1384 copy_decl_for_inlining.
1385 * rtl.h: Remove the prototype for mark_constant_function.
1386 * tree-vectorizer.h: Remove the prototype for
1387 vect_strip_conversion.
1389 * modulo-sched.c (create_partial_schedule,
1390 free_partial_schedule, reset_partial_schedule): Make them
1393 * hooks.c (hook_bool_rtx_int_false): Remove.
1394 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1396 2006-01-28 David Edelsohn <edelsohn@gnu.org>
1398 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1399 and -mlong-double-128 are incompatible.
1400 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1401 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1402 (TARGET_LIBGCC2_CFLAGS): Define.
1403 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1404 (TARGET_LIBGCC2_CFLAGS): Same.
1405 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1407 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1410 * c-typeck.c (build_binary_op): Perform implicit casts of
1411 operands before shortening them.
1413 * cfgloopmanip.c (split_loop_bb): Remove.
1414 * cfgloop.h: Remove the prototype for split_loop_bb.
1416 * cfgloop.c (flow_loop_outside_edge_p): Remove.
1417 * cfgloop.h: Remove the prototype for
1418 flow_loop_outside_edge_p.
1420 * emit-rtl.c (init_virtual_regs): Make it static.
1421 * function.h: Remove the prototype for init_virtual_regs.
1423 * recog.c (peephole2_optimize): Make it static.
1424 * recog.h: Remove the prototype for peephole2_optimize.
1426 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1428 * df-scan.c (df_record_entry_block_defs): Check if
1429 INCOMING_RETURN_ADDR_RTX is defined.
1431 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
1432 Kenneth Zadeck <zadeck@naturalbridge.com>
1434 PR rtl-optimization/24762
1435 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1436 * targhooks.c (hook_void_bitmap): New hook prototype.
1437 * targhoohs.h (hook_void_bitmap): Ditto.
1438 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1439 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1440 * target.h (live_on_entry): New function pointer.
1441 * df-scan.c (df_all_hard_regs): Removed.
1442 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1443 (df_scan_free_internal): Added df->entry_block_defs.
1444 (df_scan_alloc): Ditto.
1445 (df_scan_dump): Ditto.
1446 (df_uses_record): Plumbed flag field properly thru calls.
1447 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1448 This part fixes PR24762.
1449 (df_bb_refs_record): Added code to make the frame and arg
1450 pointers live in EH blocks.
1451 (df_refs_record): Added call to df_record_entry_block_defs.
1452 (df_record_entry_block_defs): New function.
1453 * df-core.c: Added comments to describe new artifical defs.
1454 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1455 (entry_block_defs): New field in struct df.
1456 (df_all_hard_regs): Deleted.
1457 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1458 * df-problems.c (df_ru_bb_local_compute_process_def):
1459 Added code to handle artifical defs in the entry to a function.
1460 (df_ru_bb_local_compute): Ditto.
1461 (df_rd_bb_local_compute_process_def): Ditto.
1462 (df_rd_bb_local_compute): Ditto.
1463 (df_lr_bb_local_compute): Ditto.
1464 (df_ur_bb_local_compute): Ditto.
1465 (df_urec_bb_local_compute): Ditto.
1466 (df_chain_create_bb): Ditto.
1467 (df_ur_local_finalize): Removed entry.
1468 (df_urec_init): Ditto.
1469 (df_urec_local_finalize): Ditto.
1470 (df_ri_bb_compute): Added detection of last use of pseudos.
1471 * Makefile.in (df-scan.o): Updated dependencies.
1472 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1473 * config/mips/mips.c (mips_set_live_on_entry): Added.
1474 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1476 * dce.c (marked_insn_p): Added code to handle artifical defs.
1478 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1480 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1482 (_mm_cvtsi128_si64): Likewise.
1483 (_mm_cvtsd_si64): Likewise.
1484 (_mm_cvttsd_si64): Likewise.
1485 (_mm_cvtsi64_sd): Likewise.
1486 (_mm_cvtsi64_si128): Likewise.
1487 * config/i386/mmintrin.h (_m_from_int64): Likewise.
1488 (_mm_cvtsi64_m64): Likewise.
1489 (_m_to_int64): Likewise.
1490 (_mm_cvtm64_si64): Likewise.
1491 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1492 (_mm_cvttss_si64): Likewise.
1493 (_mm_cvtsi64_ss): Likewise.
1494 (_mm_cvtss_f32): Likewise.
1496 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
1498 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1499 for pragma redefine_extname.
1501 2006-01-27 Jakub Jelinek <jakub@redhat.com>
1504 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1505 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1506 -mno-minimal-toc to previous content.
1507 (bispecs): Remove goal.
1508 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1509 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1510 compatibility aliases on powerpc-*-*gnu*.
1511 * config/rs6000/libgcc-ppc-glibc.ver: New file.
1512 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1513 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1514 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1515 (ldblspecs): New goal.
1516 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1517 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1519 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1520 L_sf_to_tf or L_df_to_tf is defined.
1522 2006-01-27 David Edelsohn <edelsohn@gnu.org>
1523 Alan Modra <amodra@bigpond.net.au>
1526 * config/rs6000/linux.h (POWERPC_LINUX): Define.
1527 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1528 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1529 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1530 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1531 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
1532 (rs6000_override_options): Initialize rs6000_ieeequad.
1533 Initialize TFmode format to ibm_extended_format if not
1535 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
1537 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
1538 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
1539 (function_arg_advance): IBM long double passed in two FPRs, not
1541 (function_arg): IBM long double passed in FPRs.
1542 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
1543 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
1544 Only multireg GPR aligned.
1545 (rs6000_init_libfuncs): Enable IBM long double functions if not
1547 (rs6000_generate_compare): Use IBM long double compare if not
1549 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
1550 (TARGET_IEEEQUAD): Define.
1551 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
1552 not TARGET_IEEEQUAD.
1553 * config/rs6000/rs6000.md: Enable TFmode patterns if
1555 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
1556 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1557 and -mlong-double-128 are incompatible.
1558 * doc/invoke.texi (-mabi): Collect options together. Add
1559 ibmlongdouble and ieeelongdouble.
1561 2006-01-27 Richard Sandiford <richard@codesourcery.com>
1563 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
1565 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
1566 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
1567 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
1568 * rtl.h (rtunion_def): Remove rt_ptr.
1570 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
1571 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
1572 * config/i386/winnt.c (i386_pe_mark_dllexport)
1573 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
1575 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
1577 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
1579 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1583 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
1584 pthread_key_delete. From John David Anglin. gthrw-ify
1585 pthread_getunique_np only if it it's not a macro. Delete
1587 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
1588 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
1589 __gthread_objc_condition_signal, __gthread_key_delete): Add
1590 "__attribute__ ((__unused__))" to unused arguments.
1591 (__gthread_recursive_mutex_init_function): Add missing return.
1592 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
1593 gthr-posix95.h: Use macro-based approach for name redirection
1594 on targets missing weakref.
1596 2006-01-26 Zack Weinberg <zackw@panix.com>
1598 * genconditions.c (write_header): In generated code, #ifdef out
1599 all includes and fake declarations, except includes of bconfig.h
1600 and system.h, unless GCC_VERSION >= 3001. Do not include
1601 gensupport.h in any case.
1602 (write_conditions): Generate a definition of struct c_test. Add
1603 a comment to the generated #endif.
1604 (write_one_condition): Escape backslashes in string too.
1605 (write_writer): Generated code must escape backslashes and quote
1606 marks (but not newlines) in the strings it writes.
1607 * Makefile.in (build/gencondmd.o): Update dependencies.
1609 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1612 * Makefile.in (insn-automata.o): Add header file dependencies.
1613 * genautomata.c: Add includes.
1615 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1618 * Makefile.in (insn-automata.o): Add -Wno-error flag.
1620 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1622 * configure.ac: Expect target tools paths to be passed from the toplevel
1623 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
1625 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
1627 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1630 * c.opt (Wpointer-sign): Init to -1.
1631 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
1632 OPT_pedantic, to 0 otherwise.
1633 * doc/invoke.texi: Update.
1635 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1637 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
1638 constants provided by 80387 instructions in the destination mode.
1640 2006-01-26 Richard Guenther <rguenther@suse.de>
1641 Andrew Pinski <pinskia@physics.uc.edu>
1644 partial PR tree-opt/17064
1645 * tree-ssa-structalias.c (intra_create_variable_infos):
1646 Create heap variables for incoming parameters if
1647 flag_argument_noalias > 1.
1648 (find_what_p_points_to): Look through default defs of
1651 2006-01-26 Jeff Law <law@redhat.com>
1654 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
1655 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
1656 within the VR_RANGE, use the VR_RANGE as the result, not the
1658 (adjust_range_with_scev): Reject ranges from SCEV which are out of
1659 bounds for the type.
1661 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
1663 * tree-ssa-alias.c (maybe_create_global_var): Change
1664 subvar walking to an assertion that we don't have subvar'd variables.
1666 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
1669 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1670 Use a new variable, inner. PARM_DECLs are always non-weak.
1672 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
1674 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1677 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
1679 * config/mips/mips.md (*clear_upper32): New combiner pattern.
1681 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
1683 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1684 (smax_insn, smin_insn, smax_0, smin_0): New.
1686 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
1689 * config/cris/cris.c (cris_order_for_addsi3): New function.
1690 * config/cris/cris-protos.h: Prototype it.
1691 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1692 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1693 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1694 (split for "op.S1 [rx=rx+i],ry (swapped)")
1695 (split for "op(s|u).S1 [rx=rx+i],ry")
1696 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1697 Apply cris_order_for_addsi3 when generating addsi3 insns.
1699 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1701 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1702 (TREE_BLOCK): Add call to EXPR_CHECK.
1704 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1707 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1708 * tree-pretty-print.c (dump_omp_clause): Extract from ...
1709 (dump_omp_clauses): ... here.
1710 (dump_generic_node): Handle OMP_CLAUSE.
1711 * tree.c (omp_clause_num_ops): New.
1712 (omp_clause_code_name): New.
1713 (tree_code_size): Handle OMP_CLAUSE.
1714 (tree_size): Likewise.
1715 (make_node): Document handling of OMP_CLAUSE.
1716 (tree_node_structure): Handle OMP_CLAUSE.
1717 (omp_clause_check_failed): New.
1718 (omp_clause_range_check_failed): New.
1719 (omp_clause_operand_check_failed): New.
1720 (build_omp_clause): New.
1721 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1722 * tree.h (enum omp_clause_code): Declare.
1723 (OMP_CLAUSE_SUBCODE_CHECK): Define.
1724 (OMP_CLAUSE_RANGE_CHECK): Define.
1725 (OMP_CLAUSE_ELT_CHECK): Define.
1726 (omp_clause_check_failed): Declare.
1727 (omp_clause_operand_check_failed): Declare.
1728 (omp_clause_range_check_failed): Declare.
1729 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1730 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1731 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1732 (OMP_CLAUSE_LASTPRIVATE): Likewise.
1733 (OMP_CLAUSE_IF_EXPR): Likewise.
1734 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1735 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1736 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
1737 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
1738 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
1739 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
1740 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
1741 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
1742 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
1743 (OMP_CLAUSE_CODE): Define.
1744 (OMP_CLAUSE_SET_CODE): Define.
1745 (OMP_CLAUSE_CODE): Define.
1746 (OMP_CLAUSE_OPERAND): Define.
1747 (struct tree_omp_clause): Declare.
1748 (union tree_node): Add field 'omp_clause'.
1749 * treestruct.def (TS_OMP_CLAUSE): Define.
1750 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
1751 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
1752 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
1753 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
1754 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
1755 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
1756 (OMP_CLAUSE): Define.
1757 * print-tree.c (print_node): Handle OMP_CLAUSE.
1758 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
1759 * c-typeck.c: Likewise.
1760 * gimplify.c: Likewise.
1761 * c-omp.c: Likewise.
1762 * tree-nested.c: Likewise.
1763 * tree-inline.c: Likewise.
1764 * c-parser.c: Likewise.
1765 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
1768 2006-01-25 Roger Sayle <roger@eyesopen.com>
1770 PR rtl-optimization/25703
1771 * combine.c (try_combine): Handle zero_extract and strict_low_part
1772 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
1774 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
1776 * global.c: Fix comment typos.
1778 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
1781 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
1782 Use output_addr_const instead of assemble_name.
1784 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
1786 * Makefile.in (sched-vis.o): Update dependencies.
1787 * haifa-sched.c (sched_finish): Clear current_sched_info.
1788 * cfg.c (dump_bb_info): New, split from dump_flow_info.
1789 (dump_flow_info): Call it.
1790 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
1792 * basic-block.h (dump_bb_info): Declare.
1793 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
1794 option, and apply options only for dump files whose TDF_RTL,
1795 TDF_TREE, or TDF_IPA bits match.
1796 * rtl.h: Declare new functions exported from sched-vis.c.
1797 * sched-vis.c: Enable also if scheduling is not used.
1798 (print_value): Print the mode of registers if not inside scheduling.
1799 (print_insn): Make it work outside the scheduler. Beautify the output
1801 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
1803 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1805 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
1806 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
1807 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
1808 depending on the value of CONSTANT_POOL_ADDRESS_P.
1809 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
1811 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
1812 rather than SYMBOL_REF_DECL.
1813 (rtx_constant_pool): Remove const_rtx_sym_htab.
1814 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
1815 (init_varasm_status): Don't initialize const_rtx_sym_htab.
1816 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
1817 Remove handling of const_rtx_sym_htab.
1818 (find_pool_constant): Delete.
1819 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
1820 rather than find_pool_constant.
1821 (get_pool_constant_for_function): Delete.
1822 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
1824 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
1825 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
1826 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
1827 (SYMBOL_REF_CONSTANT): New macro.
1828 (get_pool_constant_for_function): Delete.
1829 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
1830 rather than SYMBOL_REF_DECL.
1831 (i386_pe_mark_dllimport): Likewise.
1832 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
1833 rather than SYMBOL_REF_DECL.
1834 * config/darwin.c (machopic_indirect_data_reference): Likewise.
1835 (machopic_indirect_call_target): Likewise.
1837 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
1839 * flow.c (delete_noop_moves): Add missing EOL to dump message.
1841 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1843 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
1845 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
1847 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
1849 2006-01-24 David Daney <ddaney@avtrex.com>
1852 * configure.ac (enable_tls): New enable option.
1853 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
1854 * configure: Regenerate.
1855 * doc/install.texi (--enable-tls): Document new option.
1856 (--disable-tls): Ditto.
1858 2006-01-24 Richard Henderson <rth@redehat.com>
1860 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
1861 * alias.c (true_dependence): Respect it.
1862 (canon_true_dependence, write_dependence_p): Likewise.
1863 * builtins.c (get_builtin_sync_mem): Set it.
1865 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
1867 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
1870 2006-01-24 DJ Delorie <dj@redhat.com>
1872 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
1873 for storing constants in single-bit bitfields.
1875 2006-01-25 Ben Elliston <bje@au.ibm.com>
1877 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
1879 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
1882 * tree-ssa-pre.c (phi_translate): Return NULL
1883 for AGGREGATE_TYPE's.
1885 2006-01-24 Zack Weinberg <zackw@panix.com>
1887 * genautomata.c (process_state_for_insn_equiv_partition):
1888 Use xcalloc for insn_arcs_array.
1889 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
1890 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
1892 2006-01-24 Richard Henderson <rth@redhat.com>
1894 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
1897 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
1899 PR rtl-optimization/25890
1900 PR rtl-optimization/25905
1901 * combine.c (expand_compound_operation, expand_field_assignment):
1902 Fail if the bitfield's final position is out of bounds.
1904 2006-01-24 Ian Lance Taylor <ian@airs.com>
1907 * cgraphunit.c (cgraph_output_in_order): Don't clear
1908 cgraph_asm_nodes until after asm strings have been output.
1910 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
1912 * fix-header.c (read_scan_file): Add new parameter imultilib when
1913 calling register_include_chains.
1915 2006-01-23 Diego Novillo <dnovillo@redhat.com>
1917 * omp-low.c: Update documentation.
1919 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1920 Daniel Berlin <dberlin@dberlin.org>
1924 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
1925 return from the function.
1927 2006-01-22 Zack Weinberg <zackw@panix.com>
1929 * rtl.def (match_code): Add second argument.
1930 * genpreds.c (write_extract_subexp): New function.
1931 (write_match_code): Add path argument. Use write_extract_subexp.
1932 (write_predicate_expr): Pass path to write_match_code.
1933 (mark_mode_tests): MATCH_CODE applied to a subexpression does
1934 not perform a mode test.
1935 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
1936 a subexpression does not constrain the top-level code set.
1937 * read-rtl.c (read_rtx_variadic): New function.
1938 (read_rtx_1): Use it; allow AND and IOR to be variadic.
1939 * doc/md.texi: Document new notation.
1940 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
1941 (cmpsi_operand): ... here, using new notation.
1943 2006-01-22 Zack Weinberg <zackw@panix.com>
1945 * varray.c: Remove GENERATOR_FILE #ifdefs.
1947 2006-01-22 Zack Weinberg <zackw@panix.com>
1949 * genautomata.c (output_reserved_units_table): Emit nothing if
1950 description->query_units_num is zero. Remove extra blank line.
1951 (output_cpu_unit_reservation_p): Short circuit
1952 if description->query_units_num is zero.
1954 2006-01-22 Zack Weinberg <zackw@panix.com>
1956 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
1957 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
1958 nor any of the random handful of variables that used to be necessary
1959 when this program was linked with rtlanal.o. Prune set of forward
1960 function declarations.
1961 (struct attr_desc): Remove static_p field.
1962 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
1963 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
1964 (attr_string): Do not read the character one past the length of
1966 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
1967 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
1968 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
1969 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
1970 (make_automaton_attrs): New.
1971 (main): Do not call into genautomata. Call local gen_bypass
1972 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
1973 Remove special case for insn_alts.
1974 * genautomata.c: Include gensupport.h; not genattrtab.h nor
1975 varray.h (leftover from previous change). Prune set of forward
1976 function declarations. Remove state_alts fields from all
1977 structures. Remove state_alts_table from struct automaton.
1978 Make everything except main static. Do not maintain num_dfa_decls.
1979 Do not maintain state_alts fields of various structures.
1980 (process_decls): Don't validate condexp for dm_insn_reserv decls.
1981 (add_arc): Remove state_alts argument. All callers updated.
1982 (output_reserved_units_table): Emit #ifdef here...
1983 (output_tables): ...not here. Don't generate state_alts tables.
1984 (expand_automata): Don't generate attributes.
1985 (write_automata): Don't generate state_alts functions.
1986 (main): New function.
1987 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1988 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1989 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1990 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1991 (BYPASS_P_FUNC_NAME, output_state_alts_table)
1992 (output_automata_list_state_alts_code, output_internal_state_alts_func)
1993 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1994 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1996 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1997 * genattrtab.h: Delete file.
1998 * Makefile.in (OBJS-common): Add insn-automata.o.
1999 (insn-automata.o): New rule.
2000 (simple_generated_c): Add insn-automata.c.
2001 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2002 (genprogmd): Add automata.
2003 (build/genattrtab): Needs no extra objects nor libraries.
2004 (build/genautomata): Needs build/vec.o and -lm.
2006 2006-01-22 Zack Weinberg <zackw@panix.com>
2008 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2009 (output_dfa_max_issue_rate, locked_states_num): Delete.
2010 (struct automaton): Add locked_states field.
2011 (output_dead_lock_vect): Save number of locked states in
2012 automaton->locked_states. If it is zero, don't print anything.
2013 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2014 (output_internal_dead_lock_func): Only test the dead_lock_vect
2015 for automata that have locked states.
2016 (output_statistics): Always print the number of locked states for
2017 each automaton. Calculate total number of locked states here.
2018 (write_automata): Don't call output_dfa_max_issue_rate.
2019 * genattrtab.c: Define length_unit_log as a const variable.
2020 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2021 max_insn_queue_index const.
2022 * final.c (length_unit_log): Declare const.
2023 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2025 2006-01-22 Zack Weinberg <zackw@panix.com>
2027 * genautomata.c: Include vec.h, not varray.h.
2028 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2029 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2030 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2031 VEC_* macros operating on appropriately typed vectors, or to
2032 malloced arrays when the size is known in advance. Const-ify
2033 many char* variables and function arguments. No functional changes.
2034 * Makefile.in (build/varray.o): Delete rule.
2035 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2036 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2038 2006-01-22 Zack Weinberg <zackw@panix.com>
2040 * gensupport.c: Define get_insn_name and record_insn_name here.
2041 (read_md_rtx): Call record_insn_name as appropriate.
2042 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2043 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2044 * genpreds.c, genrecog.c: Don't define get_insn_name nor
2046 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2047 (BUILD_VARRAY): Delete.
2048 (genprognormal): Rename genprogmd. Fold in all programs from
2049 genprognoprint; also attrtab.
2050 (build/genattrtab): Just mention genautomata.o and varray.o.
2051 Reorganize a bit, add comments to make the categories clearer.
2053 2006-01-22 Zack Weinberg <zackw@panix.com>
2055 * genconditions.c (condition_table, add_condition): Delete.
2056 (write_conditions): Don't emit n_insn_conditions nor
2057 insn_elision_unavailable. Issue the gcc version #ifdef here,
2058 inside the table, with no #else clause ...
2059 (write_header): ...not here.
2060 (write_writer): New function.
2061 (main): Don't initialize condition_table. Use add_c_test.
2063 * gensupport.c (init_md_reader_args_cb): Handle multiple input
2064 files on the command line.
2065 (maybe_eval_c_test): Don't check insn_elision_unavailable.
2066 Return -1 if there is no entry in the table, don't abort.
2067 (add_c_test, traverse_c_tests): New functions.
2068 * gensupport.h (insn_elision_unavailable, insn_conditions)
2069 (n_insn_conditions): Delete declarations.
2070 (add_c_test, traverse_c_tests): Declare.
2071 * read-rtl.c: Include gensupport.h.
2072 (read_conditions): New function.
2073 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2074 (read_rtx_1): If we get EOF when we were looking for an initial
2075 open paren, return 0. Call read_conditions when appropriate.
2076 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2077 dummy-conditions.o. Eliminate references to insn-conditions.o,
2078 or change them to build/gencondmd.o, as appropriate. Remove
2079 insn-constants.h from $(simple_generated_h) and insn-conditions.c
2080 from $(simple_generated_c). For all files remaining in those
2081 two lists, add insn-conditions.md to the generator command line.
2082 Give insn-constants.h/s-constants their own rules. Add rules
2083 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2084 (build/read-rtl.o): Depend on gensupport.h.
2085 (genprognormal): Include preds.
2086 (genprogearly): Rename genprognoprint; only difference is now that
2087 they don't link with $(BUILD_PRINT).
2088 * dummy-conditions.c: Delete.
2090 2006-01-22 Zack Weinberg <zackw@panix.com>
2092 * genextract.c: Don't include insn-config.h. Do include vec.h.
2093 Declare vectors of int, char, and locstr.
2094 (locstr): New typedef.
2095 (struct extraction): Make all array fields into bare pointers.
2096 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2097 (insn_code_number): Delete.
2098 (accum_extract): New struct.
2099 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2100 (gen_insn): Take insn_code_number as an argument. Use an
2101 accum_extract structure instead of loading data directly into
2102 a struct extraction, and having to know how big it might get.
2103 (walk_rtx): Operate entirely on an accum_extract structure.
2104 (print_path): Avoid unnecessary use of printf.
2105 (print_header): New function, split out of main. Distinguish
2106 more carefully between an unrecognizable insn and an insn that
2107 has the code number of a define_expand.
2108 (main): Pass insn_code_number to gen_insn. Call print_header
2109 only after parsing. Avoid unnecessary use of printf.
2110 * Makefile.in (build/vec.o): New rule.
2111 (build/genextract): Depend on build/vec.o.
2112 (build/genextract.o): Don't depend on insn-config.h.
2114 2006-01-22 Zack Weinberg <zackw@panix.com>
2116 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2117 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
2118 practical. Eliminate per-generator-program link rules.
2120 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2123 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2124 with a call expr to ...
2125 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2127 2006-01-23 Richard Guenther <rguenther@suse.de>
2129 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2130 before make_edge with conditional EDGE_TRUE_VALUE.
2132 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
2133 Jan Hubicka <jh@suse.cz>
2134 Richard Guenther <rguenther@suse.de>
2136 PR rtl-optimization/25654
2137 * cfgexpand.c (aggregate_contains_union_type): New function.
2138 (add_alias_set_conflicts): Call it. Make sure to add conflicts
2139 for structure variables that contain a union type.
2141 2006-01-23 Richard Sandiford <richard@codesourcery.com>
2143 * gengtype.c (new_structure): Return the structure.
2144 (create_option): Add an extra "next" argument.
2145 (create_field): New function.
2146 (adjust_field_rtx_def): Use create_option and create_field.
2147 Remove a now-unnecessary call to find_structure.
2148 (adjust_field_tree_def): Likewise.
2149 (note_yacc_type): Remove an unnecessary call to find_structure.
2150 * gengtype.h (new_structure): Return the structure.
2151 (create_option): Add an extra argument.
2152 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2153 (option): Adjust calls to create_option.
2155 2006-01-22 David Edelsohn <edelsohn@gnu.org>
2157 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2159 2006-01-22 Paul Brook <paul@codesourcery.com>
2160 Peter Barada <peter@the-baradas.com>
2162 * config/m68k/m68k.md: Add Coldfire FPU support.
2163 Define FP mode macro and associated attributes.
2164 Use it for float mode patterns.
2165 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2166 (LIBCALL_VALUE): Use m68k_libcall_value.
2167 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2168 (m68k_function_value): Ditto.
2169 (emit_move_sequence): Ditto.
2170 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2171 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2172 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2173 (MULTILIB_EXCEPTIONS): Ditto.
2174 * config/m68k/m68k.opt: Add mcfv4e.
2175 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2176 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2177 (m68k_output_function_prologue): Save ColdFire FPU registers.
2178 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2179 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2180 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2181 ColdFire FPU registers.
2182 (m68k_libcall_value, m68k_function_value): New functions.
2183 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2184 (LIBCALL_VALUE): Use m68k_libcall_value.
2185 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2186 (MASK_COLDFIRE): Add MASK_CFV4E.
2187 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2188 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2189 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2190 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2191 (GO_IF_LEGITIMATE_ADDRESS): Use it.
2192 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2193 * doc/invoke.tex: Document -mcfv4e on m68k.
2195 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2197 * doc/contribute.texi: Change CVS to SVN and update the corresponding
2200 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
2203 * c-opts.c (c_common_handle_option): Don't include
2204 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2205 * doc/invoke.texi (C++ Dialect Options): Document that
2206 -Wnon-virtual-dtor is no longer included in -Wall.
2208 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
2210 * gcov.c (print_version), gcov-dump.c (print_version),
2211 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2214 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
2216 * df-scan.c (problem_SCAN): Added NULL reset function.
2217 (df_scan_reset_blocks): Added code to call reset block function
2218 (df_bb_refs_delete) Fixed comment.
2219 (df_insn_refs_delete): Made tolerant of deleting non existent info
2220 for dataflow problems that need to be reset.
2221 * df-core.c (df_set_blocks): Ditto.
2222 * df.h (struct df_problem): Added reset_fun.
2223 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2224 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2225 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2226 functions to clear out all references to def-use or use-def chains.
2228 2006-01-21 Ben Elliston <bje@au.ibm.com>
2230 * varasm.c (assemble_real): Initialise data array.
2232 2006-01-20 Paul Brook <paul@codesourcery.com>
2234 Merge from csl-arm-branch.
2235 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2236 * config/arm/arm.md (movdi): Force operands[1] to a register
2237 if we have a non-register source.
2238 (*arm_movdi, *movdf_soft_insn): Require that one of the
2239 operands be a register.
2240 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2241 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2243 2006-01-20 DJ Delorie <dj@redhat.com>
2245 * varasm.c (initialize_constant_valid_p): Allow pointers
2246 initialized from integer constants of lesser precision.
2247 (output_constant): Allow non-int-sized pointer modes to be
2248 initialized from integer constants.
2250 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
2253 * cppdefault.h (struct default_include): Add multilib flag.
2254 * cppdefault.c (cpp_include_defaults): Set it.
2255 * c.opt (-imultilib): New option.
2256 * c-opts.c (imultilib): New.
2257 (c_common_handle_option): Handle -imultilib.
2258 (c_common_post_options): Likewise.
2259 * c-incpath.c (add_standard_paths, register_include_chains):
2261 * c-incpath.h (register_include_chains): Add extra parameter.
2262 * gcc.c (do_spec_1): Generate -imultilib option.
2263 (The Specs Language): Update %I description.
2264 (process_command): Update copyright notice.
2265 * doc/cppopts.texi (-imultilib): Document.
2266 * doc/invoke.texi (-imultilib): Include in option summary.
2267 (%I): Update specs documentation.
2269 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2271 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2273 2006-01-20 Richard Sandiford <richard@codesourcery.com>
2275 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2278 2006-01-20 Richard Guenther <rguenther@suse.de>
2279 Steven Bosscher <stevenb.gcc@gmail.com>
2281 PR rtl-optimization/24626
2282 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2283 EDGE_TRUE_VALUE if in RTL mode.
2286 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2287 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2289 2006-01-20 Dirk Mueller <dmueller@suse.com>
2292 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2293 instead of a special NOP marker.
2294 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2295 NOP marker handling.
2296 * c-common.h (empty_body_warning): Add forward declaration.
2297 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2298 Now uses IS_EMPTY_STMT() instead of special NOP markers.
2300 2006-01-20 Paul Brook <paul@codesourcery.com>
2302 * Makefile.in (lang_checks): Keep going if mkdir fails.
2304 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2306 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2307 be able to clean out basic block when not necessary.
2308 (df_scan_free): Fixed to properly delete information if df is
2309 unused before calling df_finish.
2310 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2311 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2313 (df_bb_refs_delete): New function.
2314 (df_refs_delete): Moved per block code to df_bb_refs_delete.
2315 * df-core.c (df_set_blocks): Added code to properly clean out
2316 unused blocks if they are not part of the blocks to consider.
2317 Added additional null check.
2318 (df_compact_blocks): Added basic block parameter to free_bb_fun to
2319 be able to clean out basic block when not necessary
2320 * df.h (df_free_bb_function): Ditto.
2321 (df_bb_refs_delete): New function.
2322 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2323 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2324 basic block parameter to be able to clean out basic block when not
2326 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2327 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2328 Fixed to properly delete information if df is unused before
2331 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2333 PR rtl-optimization/25799
2334 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2335 Corrected confluence operator to remove bits from op2 before oring
2336 with op1 rather than removing bits from op1.
2337 (df_ru_transfer_function): Corrected test on wrong bitmap which
2338 caused infinite loop. Both of these problems were introduced in
2339 the dataflow rewrite.
2341 2006-01-19 DJ Delorie <dj@redhat.com>
2343 * reload1.c (find_reload_regs): Note the details of reload
2344 failures in the dump file.
2345 (spill_failure): Likewise.
2347 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2349 * loop-iv.c: Include df.h and hashtab.h.
2350 (enum iv_grd_result): New enum.
2351 (DF_REF_IV, DF_REF_IV_SET): New macros.
2352 (struct biv_entry): New.
2353 (df, bivs): New global variables.
2354 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2355 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2357 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2358 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2359 analyzed_for_bivness_p, record_biv): New functions.
2360 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2361 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2362 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2364 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2366 (iv_number_of_iterations): Use new interface to iv analysis.
2367 * loop-unroll.c: Do not include varray.h.
2368 (analyze_iv_to_split_insn): Use new interface to iv
2370 * loop-unswitch.c (may_unswitch_on): Ditto.
2371 * df.c (df_bitmaps_free): Only work for bbs for that structures are
2373 (df_bb_modify): Realloc tables to the new index.
2374 (df_find_use): New function.
2375 * df.h (df_find_use): Declare.
2376 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2378 * cfgloop.h (struct rtx_iv): Remove analysed field.
2379 (iv_get_reaching_def): Removed.
2380 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2381 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2382 (loop-iv.o): Add df.h and hashtab.h dependency.
2383 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2385 2006-01-20 Alan Modra <amodra@bigpond.net.au>
2388 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2390 (__floatundisf, __floatundidf): Likewise.
2391 * libgcc2.h (IS_IBM_EXTENDED): Define.
2393 2006-01-19 DJ Delorie <dj@redhat.com>
2395 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2397 2006-01-19 Paul Brook <paul@codesourcery.com>
2399 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2400 as nothrow when unwinding tables are disabled.
2402 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2405 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2406 of bit-field" when in system header.
2408 2006-01-19 DJ Delorie <dj@redhat.com>
2410 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2411 the 16 bit shift limit of the m16c.
2413 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
2416 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2417 * config/i386/i386.c (output_set_got): Output the label if we have one
2418 for the TARGET_DEEP_BRANCH_PREDICTION case.
2420 2006-01-19 Jan Hubicka <jh@suse.cz>
2421 H.J. Lu <hongjiu.lu@intel.com>
2422 Evandro Menezes <evandro.menezes@amd.com>
2424 * invoke.texi (generic): Document
2426 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2427 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2428 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2429 (x86_use_incdec, x86_pad_returns): New variables
2430 (TARGET_CPU_DEFAULT_generic): New constant
2431 (TARGET_CPU_DEFAULT_NAMES): Add generic.
2432 (enum processor_type): Add generic32 and generic64.
2433 * i386.md (cpu attribute): Add generic32/generic64
2434 (movhi splitter): Behave sanely when both partial_reg_dependency and
2435 partial_reg_stall are set.
2436 (K8 splitters): Enable for generic as well.
2437 * predicates.md (incdec_operand): Use TARGET_INCDEC
2438 (aligned_operand): Avoid memory mismatch stalls.
2439 * athlon.md: Enable for generic64, new patterns for 128bit moves.
2440 * ppro.md: Enable for generic32
2441 * i386.c (generic64_cost, generic32_cost): New.
2442 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2443 (x86_use_leave): Enable for generic64. (x86_use_sahf,
2444 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
2445 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2446 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2447 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2448 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2449 x86_accumulate_outgoing_args, x86_prologue_using_move,
2450 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2451 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2453 (x86_use_incdec, x86_pad_returns): New.
2454 (override_options): Add generic32 and generic64, translate "generic"
2455 to generic32/generic64 and "i686" to "generic32", refuse
2456 "generic32"/"generic64" as arch target.
2457 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2458 (ix86_reorg): Honor PAD_RETURNS.
2460 2006-01-19 Diego Novillo <dnovillo@redhat.com>
2462 * tree-pretty-print.c (dump_generic_node): Handle
2463 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2464 * cgraph.c (cgraph_expand_queue): Rename from
2465 cgraph_analyze_queue. Update all users.
2466 * cgraphunit.c (cgraph_assemble_pending_functions): Process
2467 cgraph_expand_queue.
2468 (cgraph_expand_all_functions): Likewise.
2469 (cgraph_finalize_pending_functions): Remove. Update callers.
2471 * tree.h (OMP_DIRECTIVE_P): Define.
2472 (OMP_PARALLEL_FN): Define.
2473 (OMP_PARALLEL_DATA_ARG): Define.
2474 (OMP_SECTIONS_SECTIONS): Define.
2475 * tree-pass.h (pass_expand_omp): Declare.
2476 * omp-low.c (struct omp_region): Declare.
2477 (struct omp_context): Remove fields 'parallel_type',
2478 'parallel_start_ix' and 'parallel_start_additional_args'.
2480 (struct omp_for_data): Rename from struct expand_omp_for_data.
2481 (omp_regions): New static variable.
2482 (root_omp_region): New static variable.
2483 (find_omp_clause): Make static.
2484 (is_in_combined_parallel_ctx): Remove.
2485 (is_combined_parallel): New.
2486 (extract_omp_for_data): Move earlier in the file.
2487 (workshare_safe_to_combine_p): New.
2488 (get_ws_args_for): New.
2489 (determine_parallel_type): Move earlier in the file.
2490 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2492 (omp_copy_decl): Likewise.
2493 (create_omp_child_function): Likewise.
2494 (lookup_omp_region): New.
2495 (dump_omp_region): New.
2496 (debug_omp_region): New.
2497 (debug_all_omp_regions): New.
2498 (new_omp_region): New.
2499 (scan_omp_parallel): If parallel_nesting_level > 1, the
2500 directive is nested within another parallel directive.
2501 Set OMP_PARALLEL_FN.
2502 (scan_omp_for): Do not try to handle combined parallel+for
2504 Remove FIXME comment.
2505 (scan_omp_nested): Remove.
2506 (scan_omp_1): Do not call scan_omp_nested when
2507 parallel_nesting_level is > 1.
2508 Do not change the DECL_CONTEXT of local variables found.
2509 (lookup_decl_in_outer_ctx): New.
2510 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2511 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2512 (lower_reduction_clauses): Rename from expand_reduction_clauses.
2513 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2514 If CTX is nested, lookup VAR in the outer context when
2515 building copy assignment.
2516 (lower_send_clauses): Rename from expand_send_clauses.
2517 If CTX is nested, lookup VAR in the outer context when
2518 building copy assignments.
2519 (lower_send_shared_vars): Rename from expand_send_shared_vars.
2520 If CTX is nested, lookup VAR in the outer context when
2521 building copy assignments.
2522 (expand_parallel_call): Rename from build_parallel_call.
2523 Handle combined parallel+workshare cases.
2524 Re-implement to emit code into the CFG.
2526 (expand_omp_parallel): Re-implement to emit code into the CFG.
2527 Call move_sese_region_to_fn to outline the sub-graph
2528 containing the parallel region.
2529 (expand_omp_for_1): Remove.
2530 (expand_omp_for_generic): Re-implement to emit code into the
2532 (expand_omp_for_static_nochunk): Likewise.
2533 (expand_omp_for_static_chunk): Likewise.
2534 (expand_omp_for): Likewise.
2535 (expand_omp_sections): Likewise.
2536 (remove_exit_barriers): New.
2537 (expand_omp_synch): New.
2539 (build_omp_regions_1): New.
2540 (build_omp_regions): New.
2541 (execute_expand_omp): New.
2542 (gate_expand_omp): New.
2543 (pass_expand_omp): Define.
2544 (lower_omp_sections): Rename from expand_omp_sections.
2545 Set OMP_SECTIONS_SECTIONS.
2546 (lower_omp_single_simple): Rename from expand_omp_single_simple.
2547 (lower_omp_single_copy): Rename from expand_omp_single_copy.
2548 (lower_omp_single): Rename from expand_omp_simple.
2549 (lower_omp_master): Rename from expand_omp_master.
2550 (lower_omp_ordered): Rename from expand_omp_ordered.
2551 (lower_omp_critical): Rename from expand_omp_critical.
2552 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
2553 (lower_omp_for): Re-implement.
2554 (lower_omp_parallel): Re-implement.
2555 (lower_regimplify): Rename from expand_regimplify.
2556 (lower_omp_1): Rename from expand_omp_1.
2557 If there are syntax errors in the program, replace every
2558 OpenMP directive with NOP.
2559 Call lower_omp_* instead of expand_omp_*.
2560 (lower_omp): Rename from expand_omp.
2562 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
2563 * tree-gimple.h (enum omp_parallel_type): Remove.
2564 (gimple_boolify): Declare extern.
2565 (find_omp_clause, determine_parallel_type): Remove.
2567 * gimple-low.c (lower_omp_directive): New.
2568 (lower_stmt): Call it.
2569 (record_vars_into): Move from ...
2570 (record_vars): ... here.
2571 Call record_vars_into with current_function_decl.
2573 * gimplify.c (struct gimplify_ctx): Remove fields
2574 combined_pre_p and combined_ctxp. Update users.
2575 (get_formal_tmp_var): Add documentation.
2576 (gimple_boolify): Make extern.
2577 (gimplify_expr_in_ctx): Remove. Update callers.
2578 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
2579 will always be a BIND_EXPR.
2580 (gimplify_expr): Handle OMP_RETURN_EXPR.
2581 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
2582 (OMP_PARALLEL): Add 3 operands.
2583 (OMP_SECTIONS): Add 1 operand.
2584 (OMP_RETURN_EXPR): Define.
2586 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
2587 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
2588 * tree-iterator.c (alloc_stmt_list): Assert that we are not
2589 creating a circular free list.
2590 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
2592 * tree-flow.h (move_sese_region_to_fn): Declare.
2593 (record_vars_into): Declare.
2594 * tree-cfg.c (make_omp_sections_edges): New.
2595 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
2596 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
2597 OMP_SECTIONS and OMP_SECTION.
2598 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
2599 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
2600 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
2601 (gather_blocks_in_sese_region): New.
2602 (struct move_stmt_d): Declare.
2604 (move_block_to_fn): New.
2605 (move_sese_region_to_fn): New.
2607 * passes.c (init_optimization_passes): Schedule
2608 pass_expand_omp after pass_init_datastructures.
2610 * tree-ssa-operands.c (get_expr_operands): Handle
2611 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
2612 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
2614 2006-01-19 Jeff Law <law@redhat.com>
2616 * tree-vrp.c (extract_range_from_assert): Refine the result range
2617 if the variable referenced by the ASSERT_EXPR has a range and
2618 either the tentative result range or the previous range is a
2621 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2623 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2625 2006-01-19 Jan Hubicka <jh@suse.cz>
2627 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
2629 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
2631 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
2632 (expand_compound_operation, expand_field_assignment): Fail if the
2633 bit lengths of an extract operation are out of range.
2634 (make_extraction): Compute wanted_inner_mode based on the position
2635 and length of the extraction. Make it extraction_mode for non-constant
2636 positions, and do not modify offset in that case. When generating a
2637 new MEM, use a mode that can hold the extraction while keeping correct
2638 alignment. Remove code that supported MEMs wrapped by USEs.
2639 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
2641 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
2643 * config/s390/s390.md ("Y", "y"): New mode attribute.
2644 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2645 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
2646 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
2647 "*addsi3_imm_cc", "*addsi3_carry1_cc",
2648 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
2649 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
2650 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
2651 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
2652 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
2653 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
2654 "addsi3", "subsi3"): Insn patterns removed.
2655 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
2656 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
2657 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
2658 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
2659 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
2660 "*sub<mode>3_cconly2"): New insn patterns.
2661 ("addsi3", "subsi3"): New expanders.
2663 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
2665 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
2666 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
2667 existing STMT_VINFO_VECTYPE if available.
2668 (vect_mark_relevant): Add special handling for stmts that are
2669 marked as STMT_VINFO_IN_PATTERN_P.
2670 (vect_analyze_loop): Call vect_pattern_recog.
2671 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2672 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2674 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2675 (vect_recog_func_ptr): New function-pointer type.
2676 * tree-vect-patterns.c: New file.
2677 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2678 (vect_recog_dot_prod_pattern, vect_pattern_recog):
2679 (vect_pattern_recog_1): New functions.
2680 (vect_pattern_recog_funcs): New array of function pointers.
2682 * tree-vectorizer.h (ternary_op): New enum value.
2683 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2684 declaration. Revised documentation. Removed redundant dump prints.
2685 Removed redundant argument. Added support for reduction patterns.
2686 (vectorizable_reduction): Added support for reduction patterns.
2687 (vect_transform_stmt): Added support for patterns.
2689 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2690 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2691 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2692 (expand_widen_pattern_expr): New function.
2693 (init_optabs): Initialize new optabs udot_prod_optab,
2695 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2696 (sdot_prod_optab, udot_prod_optab): Define new optabs.
2697 (expand_widen_pattern_expr): New function declaration.
2698 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2700 * tree-inline.c (estimate_num_insns_1): Added cases for new
2701 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2702 * tree-pretty-print.c (dump_generic_node): Likewise.
2703 (op_prio): Likewise.
2704 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2705 * tree-ssa-operands.c (get_expr_operands): Added case for
2707 * tree-vect-patterns.c (widened_name_p): New function.
2708 (vect_recog_dot_prod_pattern): Added function implementation.
2709 * tree-vect-transform.c (get_initial_def_for_reduction): Added
2710 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2711 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2712 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2714 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2715 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2716 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2717 (init_optabs): Initialize new optabs widen_ssum_optab,
2719 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2720 (widen_ssum_optab, widen_usum_optab): Define new optabs.
2721 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2722 use instead of type of def.
2723 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2724 function implementation.
2725 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2726 widen_ssumv8hi): New.
2728 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2731 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2734 * c-decl.c (add_flexible_array_elts_to_size): New function.
2735 (finish_decl): Use it.
2737 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
2739 * diagnostic.h: Include options.h.
2740 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
2741 dependancies for diagnostic.h.
2742 * Makefile.in (DIAGNOSTIC_H): Add options.h.
2744 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
2746 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
2747 (ssa_ro_call_cache_valid): Ditto.
2748 * tree-ssa-alias.c (sort_tags_by_id): New function.
2749 (init_transitive_clobber_worklist): Ditto.
2750 (add_to_worklist): Ditto.
2751 (mark_aliases_call_clobbered): Ditto.
2752 (compute_tag_properties): Ditto.
2753 (set_initial_properties): Ditto.
2754 (compute_call_clobbered): Ditto.
2755 (compute_may_aliases): Call compute_call_clobbered and grouping.
2756 (compute_flow_sensitive_aliasing): Remove clobbering related code.
2757 (compute_flow_insensitive_aliasing): Grouping now happens in our
2759 (setup_pointers_and_addressables): Remove clobbering related code.
2760 (add_may_alias): Ditto.
2761 (replace_may_alias): Ditto.
2762 (get_nmt_for): Ditto.
2763 (create_global_var):
2764 (is_escape_site): Return an escape_type enumeration.
2765 * tree-flow-inline.h (is_call_clobbered): Global var does not
2766 imply call clobbered.
2767 (mark_call_clobbered): Take a reason for marking this. Remove
2768 marking of globalness, and cache invalidation.
2769 (clear_call_clobbered): Remove cache invalidation code.
2770 * tree-dfa.c (dump_variable): If details is on, dump the reason
2772 * tree-outof-ssa.c (create_temp): Copy escape mask from original
2774 * tree-flow.h (struct ptr_info_def): Add escape mask member.
2775 (struct var_ann_d): Ditto.
2776 (enum escape_type): New.
2777 (mark_call_clobbered): Adjust prototype.
2778 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
2779 are never call clobbered.
2780 Record reasons for escaping.
2781 * tree-ssa-structalias.h (is_escape_site): Update prototype.
2782 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
2783 (ssa_ro_call_cache_valid): Ditto.
2784 (clobbered_v_may_defs): Ditto.
2785 (clobbered_vuses): Ditto.
2786 (ro_call_vuses): Ditto.
2787 (clobber_stats): New.
2788 (init_ssa_operands): Zero out clobber stats.
2789 (fini_ssa_operands): Print out clobber stats.
2790 (get_call_expr_operands): Pass callee fndecl to
2792 (add_call_clobber_ops): Remove use of cache.
2793 Add use of PURE_CONST information.
2794 (add_call_read_ops): Remove use of cache.
2795 Add use of static not_read information.
2797 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
2799 Introduce TLS descriptors for i386 and x86_64.
2800 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
2801 (TARGET_ANY_GNU_TLS): New macro.
2802 (enum tls_dialect): Added TLS_DIALECT_GNU2.
2803 (struct machine_function): Add tls_descriptor_call_expanded_p.
2804 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
2805 (ix86_current_function_calls_tls_descriptor): Likewise.
2806 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
2807 (override_options): Introduce gnu2 tls dialect.
2808 (ix86_frame_pointer_required): Functions containing TLSCALLs are
2810 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
2812 (legitimize_tls_address): Adjust logic for GNU2 TLS.
2813 (ix86_init_machine_status): Initialize new field.
2814 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
2815 (ix86_tls_module_base): New.
2816 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
2817 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
2818 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
2819 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
2820 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
2821 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
2822 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
2823 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
2824 * config/i386/predicates.md (tls_modbase_operand): New.
2825 (tp_or_register_operand): New.
2827 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
2829 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
2830 (look_for_address_of): Ditto.
2831 (ipa_init): Walk the function decls.
2832 (static_execute): Don't set readonly on FUNCTION_DECL's.
2834 2006-01-18 Roger Sayle <roger@eyesopen.com>
2836 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
2837 for shifts where the source and destination registers are different.
2839 2006-01-18 Paul Brook <paul@codesourcery.com>
2841 Merge from csl-arm-branch.
2842 2005-03-14 Julian Brown <julian@codesourcery.com>
2843 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
2844 (aeabi_llsl): Likewise.
2845 (ashrdi3): Likewise.
2846 (aeabi_lasr): Likewise.
2847 (lshrdi3): Likewise.
2848 (aeabi_llsr): Likewise.
2849 2005-03-10 Julian Brown <julian@codesourcery.com>
2850 * config.gcc: Disable shared libgcc for SymbianOS.
2851 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
2853 2006-01-18 DJ Delorie <dj@redhat.com>
2855 * c-pragma.c (handle_pragma_diagnostic): New.
2856 (init_pragma): Register it.
2857 * doc/extend.texi: Document it.
2859 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
2860 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
2861 (diagnostic_context): Add classify_diagnostic[].
2862 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
2863 as errors if they're overridden to DK_WARNING.
2864 (diagnostic_initialize): Initialize classify_diagnostic[].
2865 (diagnostic_set_kind_override): New.
2866 (diagnostic_report_diagnostic): Check for kind changes.
2867 * opts.c (common_handle_option): Take lang_mask. Update callers.
2869 * common.opt (Werror=): New.
2870 * doc/invoke.texi: Document -Werror=*
2872 2006-01-18 Jeff Law <law@redhat.com>
2874 * tree-vrp.c (test_for_singularity): Correct test for new
2875 min limit. Use operand_equal_p rather than pointer equality
2876 for testing if new min/max values are equal.
2878 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
2879 using range information until after propagation and folding.
2881 2006-01-18 Richard Henderson <rth@redhat.com>
2882 Aldy Hernandez <aldyh@redhat.com>
2883 Jakub Jelinek <jakub@redhat.com>
2884 Diego Novillo <dnovillo@redhat.com>
2886 * omp-low.c: New file.
2887 * c-omp.c: New file.
2889 2006-01-18 Richard Henderson <rth@redhat.com>
2890 Jakub Jelinek <jakub@redhat.com>
2891 Diego Novillo <dnovillo@redhat.com>
2893 * doc/invoke.texi: Document -fopenmp.
2894 * tree-dump.h (debug_function): Declare.
2895 * hooks.c (hook_bool_tree_bool_false): New function.
2896 (hook_tree_tree_null): Remove.
2897 (hook_tree_tree_tree_null): New.
2898 * hooks.h: Update to match.
2899 * tree-pretty-print.c (debug_tree_chain): New.
2900 (print_generic_expr): Handle TDF_CHAIN.
2901 (dump_generic_node): Handle BLOCK.
2902 Do not abort with incomplete SWITCH_EXPRs.
2903 Do not dump body of an OpenMP directive if TDF_SLIM is given.
2904 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
2905 print space after directive name.
2906 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
2907 Handle OMP_MASTER and OMP_ORDERED.
2908 Handle printing of OMP_BODY just in one place, goto
2909 dump_omp_body in the rest of OMP_* nodes that have
2911 Don't handle clause nodes here. Update omp statements to
2912 use dump_omp_clauses.
2913 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
2914 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
2915 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
2916 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
2917 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
2918 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
2919 Adjust output for GOMP_PARALLEL.
2920 (dump_omp_clauses): New.
2921 (print_declaration): Dump DECL_VALUE_EXPR.
2922 (op_symbol_1): Split out of op_symbol.
2923 (dumping_stmts): Remove. Update all users.
2924 * cgraph.c (cgraph_analyze_queue): New.
2925 (cgraph_add_new_function): New.
2926 * cgraph.h (cgraph_analyze_queue): Declare.
2927 (cgraph_add_new_function): Declare.
2928 (cgraph_lower_function): Remove.
2929 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
2930 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
2931 and TYPE_P nodes in its default clause.
2932 (empty_body_p): New.
2933 (tree_range_check_failed): New.
2935 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
2936 OMP_CLAUSE_REDUCTION_MERGE,
2937 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
2938 OMP_CLAUSE_PRIVATE_DEBUG,
2939 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
2940 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
2941 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
2942 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
2943 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
2944 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
2945 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
2946 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
2947 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
2948 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
2949 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
2950 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
2951 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
2952 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
2953 (TREE_RANGE_CHECK): New.
2954 (empty_body_p): Declare.
2955 (enum omp_clause_default_kind): New.
2956 (build_string_literal): Declare.
2957 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
2958 (build5_stat, build5): Declare.
2959 * tree-pass.h (TDF_CHAIN): Define.
2960 * tree-pass.h (PROP_gimple_lomp): Define.
2961 (pass_lower_omp): Declare.
2962 * diagnostic.h (debug_tree_chain): Declare.
2963 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
2965 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
2966 * builtins.c (build_string_literal): Make extern.
2967 * gcc.c (include_spec_function): New.
2968 (static_spec_functions): Add it.
2969 (main): Move load of libgomp.spec ...
2970 (LINK_COMMAND_SPEC): ... here.
2971 (link_gomp_spec): New.
2972 (static_specs): Include it.
2973 (LINK_COMMAND_SPEC): Add link_gomp.
2974 (GOMP_SELF_SPECS): New.
2975 (driver_self_specs): Include it.
2976 (switch_matches): Don't mark inline.
2977 (main): Load libgomp.spec.
2978 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
2979 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
2980 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
2981 * tree-gimple.h (enum omp_parallel): Declare.
2982 (determine_parallel_type): Declare.
2983 (omp_firstprivatize_variable): Declare.
2984 (omp_reduction_init): Declare.
2985 (diagnose_omp_structured_block_errors): Declare.
2986 (struct walk_stmt_info): Add want_return_expr.
2987 (struct walk_stmt_info): Add want_bind_expr, want_locations.
2988 (find_omp_clause): Declare.
2989 (insert_field_into_struct): Declare.
2990 (struct walk_stmt_info): Move from tree-nested.c
2991 (walk_stmts): Declare.
2992 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2994 * cgraphunit.c (cgraph_lower_function): Make static.
2995 (cgraph_finalize_pending_functions): New.
2996 (cgraph_finalize_function): Call it.
2997 (cgraph_finalize_compilation_unit): Likewise.
2998 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2999 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3000 (BT_FN_UINT_UINT): New.
3001 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3002 DEF_FUNCTION_TYPE_VAR_4): Document.
3003 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3004 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3005 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3006 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3007 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3008 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3009 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3010 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3011 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3012 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3013 into separate files.
3014 (DEF_GOMP_BUILTIN): New.
3015 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3016 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3017 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3018 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3019 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3020 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3021 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3022 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3023 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3024 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3025 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3026 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3027 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3028 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3029 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3030 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3031 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3032 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3033 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3034 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3035 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3036 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3037 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3038 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3039 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3040 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3041 * sync-builtins.def: New file, moved from builtins.def.
3042 * omp-builtins.def: New file, moved from builtins.def.
3043 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3044 * gimple-low.c (lower_function_body): Clear data.
3045 (lower_stmt): Do not handle COMPOUND_EXPR.
3046 Remove call to print_node_brief.
3047 * c-tree.h (c_finish_omp_clauses): New prototype.
3048 (C_DECL_THREADPRIVATE_P): Define.
3049 (lookup_name_no_remap, c_omp_remap_private): Remove
3050 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3051 (check_for_loop_decls): Update decl.
3052 (lookup_name_no_remap, c_omp_remap_private): Declare.
3053 (build_indirect_ref, build_modify_expr, pushdecl,
3054 pushdecl_top_level): Move to c-common.h.
3055 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3056 before the switch, but just in the 2 places that need it.
3057 * c-decl.c (diagnose_mismatched_decls): Do not check for
3058 mismatched thread-local attributes when OLDDECL is marked
3059 threadprivate and NEWDECL has no thread-local attributes.
3060 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3061 (c_gimple_diagnostics_recursively): Rename from
3062 c_warn_unused_result_recursively. Invoke
3063 diagnose_omp_structured_block_errors.
3064 (check_for_loop_decls): Return a singular decl found.
3065 * langhooks.c (lhd_omp_predetermined_sharing): Return
3066 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3067 (lhd_omp_firstprivatize_type_sizes): New.
3068 (lhd_omp_assignment): New.
3069 (lhd_omp_predetermined_sharing): New.
3070 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3071 (struct lang_hooks_for_types): Add
3072 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
3073 omp_predetermined_sharing, omp_disregard_value_expr,
3074 omp_private_debug_clause, omp_clause_default_ctor,
3075 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
3076 (c_finish_omp_clauses): New.
3077 (c_finish_bc_stmt): Diagnose break within omp for.
3078 (c_begin_omp_parallel, c_finish_omp_parallel): New.
3079 (build_unary_op): Return error_mark after reporting
3081 (build_modify_expr): Likewise.
3082 * gimplify.c: Include optabs.h and pointer-set.h.
3083 (enum gimplify_omp_var_data): Declare.
3084 (struct gimplify_omp_ctx): Declare.
3085 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
3087 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
3088 (push_gimplify_context, pop_gimplify_context): Allow nesting.
3089 (splay_tree_compare_decl_uid): New.
3090 (new_omp_context): New.
3091 (delete_omp_context): New.
3092 (gimple_add_tmp_var): Call omp_add_variable.
3093 (gimplify_bind_expr): Likewise.
3094 (gimplify_var_or_parm_decl): If omp_notice_variable returned
3095 true, disregard DECL_VALUE_EXPR on the decl if any.
3096 (gimplify_expr_in_ctx): New.
3097 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
3098 omp_add_variable, omp_notice_variable, omp_is_private
3099 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
3100 gimplify_adjust_omp_clauses, gimplify_omp_parallel
3101 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
3102 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
3103 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
3104 gimplify_omp_atomic): New.
3105 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3106 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3107 OMP_CRITICAL and OMP_ATOMIC.
3108 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
3109 * c-pragma.h (enum pragma_kind): Add
3110 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
3111 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
3112 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
3113 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
3114 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
3115 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
3116 PRAGMA_OMP_THREADPRIVATE.
3117 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3118 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3119 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
3120 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
3121 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
3122 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
3123 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
3124 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
3125 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
3126 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
3127 * tree-ssa-dce.c (find_control_dependence): Do not assume that
3128 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
3129 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
3131 (struct nesting_info): Add field_map,
3132 suppress_expansion, debug_var_chain.
3133 (create_nesting_tree): Initialize them.
3134 (lookup_field_for_decl): Use field_map.
3135 (get_nonlocal_debug_decl, get_local_debug_decl): New.
3136 (convert_local_omp_clauses): New.
3137 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
3138 (walk_body): Split out of walk_function.
3139 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
3140 (convert_nonlocal_reference): Handle omp statements.
3141 (convert_local_reference): Likewise.
3142 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
3143 (unnest_nesting_tree): New.
3144 (lower_nested_functions): Call it.
3145 (insert_field_into_struct): Make extern.
3146 (struct walk_stmt_info): Move to tree-gimple.h.
3147 (walk_stmts): Make extern.
3148 * omp-builtins.def: New file.
3149 * tree-iterator.c (expr_only): Clarify comment.
3150 * c-common.h (pushdecl_top_level, pushdecl,
3151 build_modify_expr, build_indirect_ref,
3152 c_finish_omp_master, c_finish_omp_critical,
3153 c_finish_omp_ordered, c_finish_omp_barrier,
3154 c_finish_omp_atomic, c_finish_omp_flush,
3155 c_finish_omp_for, c_split_parallel_clauses,
3156 omp_clause_default_kind, c_omp_sharing_predetermined,
3157 c_omp_remap_decl): Declare.
3158 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3159 (OBJS-common): Add omp-low.o.
3160 (c-omp.o, omp-low.o): Add.
3161 (gimplify.o): Add dependency on $(OPTABS_H).
3162 (GTFILES): Add omp-low.c.
3163 (gt-stringpool.h): Add.
3164 * tree-cfg.c (set_bb_for_stmt): Do not update the
3165 block-to-labels map if we are currently expanding to RTL.
3166 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3168 Handle IDENTIFIER_NODE.
3169 (tree_verify_flow_info): Do not ICE when emitting error
3170 messages about invalid labels.
3171 (dump_function_to_file): Reset CFUN before emitting the body
3173 (debug_function): New.
3174 * passes.c (init_optimization_passes): Schedule
3176 * langhooks-def.h (lhd_omp_predetermined_sharing,
3177 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3179 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3180 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3181 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3182 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3183 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3184 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3185 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3186 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3187 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3188 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3189 (LANG_HOOK_DECLS): Use them.
3191 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3192 Richard Henderson <rth@redhat.com>
3193 Jakub Jelinek <jakub@redhat.com>
3194 Diego Novillo <dnovillo@redhat.com>
3196 * c-parser.c (pragma_omp_clause): Define.
3197 (c_parser_declaration_or_fndef): Document OpenMP syntax.
3198 (c_parser_compound_statement): Likewise.
3199 (c_parser_statement): Likewise.
3200 (c_parser_pragma): Handle omp pragmas.
3201 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3202 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3203 (c_parser_omp_clause_name, check_no_duplicate_clause,
3204 c_parser_omp_variable_list,
3205 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3206 c_parser_omp_clause_copyprivate,
3207 c_parser_omp_clause_default,
3208 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3209 c_parser_omp_clause_lastprivate,
3210 c_parser_omp_clause_nowait,
3211 c_parser_omp_clause_num_threads,
3212 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3213 c_parser_omp_clause_reduction,
3214 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3215 c_parser_omp_all_clauses, c_parser_omp_structured_block,
3216 c_parser_omp_atomic, c_parser_omp_barrier,
3217 c_parser_omp_critical, c_parser_omp_flush,
3218 c_parser_omp_for_loop, c_parser_omp_for,
3219 c_parser_omp_master, c_parser_omp_ordered,
3220 c_parser_omp_sections_scope, c_parser_omp_sections,
3221 c_parser_omp_parallel, c_parser_omp_single,
3222 c_parser_omp_construct, c_parser_omp_threadprivate): New.
3223 * c-pragma.c (init_pragma): Do omp pragma registration here.
3224 * c.opt (fopenmp): New flag.
3226 2006-01-18 Eric Christopher <echristo@apple.com>
3228 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3229 * config/darwin.h (GOMP_SELF_SPECS): Define.
3231 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3233 * rtl.h: Remove the prototype for reg_alloc.
3235 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3238 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3239 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3240 sjlj and dwarf2 exception handling.
3241 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3242 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3243 * pa/pa.c (function_value): Treat complex and vector types as
3245 (function_arg): Likewise. Only pass scalar floats in the floating
3246 point argument registers.
3247 * pa/t-slibgcc-dwarf-ver: New file.
3248 * pa/t-slibgcc-sjlj-ver: New file.
3249 * pa/t-slibgcc-elf-ver: Delete file.
3251 2006-01-19 Alan Modra <amodra@bigpond.net.au>
3253 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3254 unlikely_test_section_p test.
3256 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3258 * mode-switching.c (optimize_mode_switching): Make it static.
3259 * basic-block.h: Remove the prototype for
3260 optimize_mode_switching.
3262 * modulo-sched.c (sms_schedule): Make it static.
3263 * rtl.h: Remove the prototype for sms_schedule.
3265 * postreload-gcse.c (gcse_after_reload_main): Make it static.
3266 * rtl.h: Remove the prototype for gcse_after_reload_main.
3268 * reg-stack.c (reg_to_stack): Make it static.
3269 * rtl.h: Remove the prototype for reg_to_stack.
3271 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3273 * rtl.h: Remove the prototypes for regrename_optimize and
3274 copyprop_hardreg_forward.
3276 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
3278 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3279 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
3280 Test against the appropriate null constant for the mode.
3281 If 'fixup_overlap' is true, swap the operands if they overlap.
3282 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3283 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3284 alpha_split_tmode_pair and adjust for above change.
3285 * config/alpha/alpha.md (movtf_internal): Adjust call to
3286 alpha_split_tfmode_pair and rely on it to swap the operands.
3287 (movti_internal): New insn and post-reload splitter.
3288 (movti): New expander.
3290 2006-01-18 Philippe De Muyter <phdm@macqel.be>
3292 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3295 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3297 * rtlanal.c (global_reg_mentioned_p_1,
3298 global_reg_mentioned_p): Remove.
3299 * rtl.h: Remove the prototype for global_reg_mentioned_p.
3301 * flow.c (initialize_uninitialized_subregs): Make it static.
3302 * rtl.h: Remove the prototype for
3303 initialize_uninitialized_subregs.
3305 * function.c (instantiate_virtual_regs): Make it static.
3306 * function.h: Remove the prototype for
3307 instantiate_virtual_regs.
3309 * regmove.c (regmove_optimize, combine_stack_adjustments):
3311 * rtl.h: Remove the prototypes for regmove_optimize and
3312 combine_stack_adjustments.
3314 2006-01-17 Roger Sayle <roger@eyesopen.com>
3316 * config/i386/i386.c (COSTS_N_BYTES): New macro.
3317 (size_cost): Encode costs in bytes so that a reg-reg addition is
3318 equivalent to COSTS_N_INSNS(1).
3319 (override_options): Use the size_cost.branch_cost as the default
3320 ix86_branch_cost when optimizing for size.
3322 2006-01-18 Ben Elliston <bje@au.ibm.com>
3324 * Makefile.in (D32PBIT_FUNCS): New.
3325 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3326 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3327 D64PBIT_FUNCS and D128PBIT_FUNCS.
3328 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3329 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3331 (decnumber_dep): Define.
3332 * doc/libgcc.texi (Decimal float library routines): New node.
3333 * config/dfp-bit.h, config/dfp-bit.c: New files.
3335 2006-01-18 Ben Elliston <bje@au.ibm.com>
3337 * expr.c (emit_move_change_mode): Always adjust addresses, not
3338 just during reload. Copy replacements only during reload.
3339 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3340 emit_move_via_integer.
3342 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
3344 * Makefile.in (check-%, check-consistency): Use $${srcdir}
3345 instead of $(srcdir) and ${srcdir}.
3347 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
3351 * arm.h (struct machine_function): Add pic_reg.
3352 * arm.c (arm_pic_register): Make unsigned.
3353 (arm_override_options): Only set arm_pic_register if
3354 TARGET_SINGLE_PIC_BASE.
3355 (use_return_insn): Only test for a pic register if it is fixed.
3356 (arm_compute_save_reg0_reg12_mask): Likewise.
3357 (thumb_compute_save_reg_mask): Likewise.
3358 (legitimate_pic_operand): Factor out some known invariants.
3359 (legitimize_pic_address): If we don't have a fixed pic register,
3360 then set up a pseudo in the function entry sequence. Handle the
3361 pic base being in a pseudo.
3362 (arm_load_pic_register): Handle the pic register being in a pseudo.
3363 (arm_expand_prologue): Only set up the pic register if it is fixed.
3364 (thumb_expand_prologue): Likewise.
3365 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3366 (pic_load_addr_based_insn): Likewise.
3367 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3370 2006-01-18 Ben Elliston <bje@au.ibm.com>
3372 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3373 decimal float modes for all floating point registers.
3375 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3376 match_code "mem" with match_test "macho_lo_sum_memory_operand".
3378 2006-01-17 Jakub Jelinek <jakub@redhat.com>
3381 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3382 even when the pointer is not NULL.
3384 2006-01-16 Ian Lance Taylor <ian@airs.com>
3386 * common.opt (ftoplevel-reorder): New option.
3387 * cgraph.c (cgraph_asm_nodes): New global variable.
3388 (cgraph_asm_last_node): New static variable.
3389 (cgraph_order): New global variable.
3390 (cgraph_create_node): Set new order field.
3391 (cgraph_varpool_node): Likewise.
3392 (decide_is_variable_needed): Return true if not
3393 flag_toplevel_reorder.
3394 (cgraph_add_asm_node): New function.
3395 * cgraph.h (struct cgraph_node): Add order field.
3396 (struct cgraph_varpool_node): Add order field.
3397 (struct cgraph_asm_node): Define.
3398 (cgraph_asm_nodes, cgraph_order): Declare.
3399 (cgraph_add_asm_node): Declare.
3400 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3402 (cgraph_varpool_assemble_pending_decls): Call it.
3403 (cgraph_output_pending_asms): New static function.
3404 (cgraph_finalize_compilation_unit): Call it.
3405 (struct cgraph_order_sort): Define.
3406 (cgraph_output_in_order): New static function.
3407 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
3408 !flag_toplevel_reorder case.
3409 * c-parser.c: Include "cgraph.h".
3410 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3412 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3413 than -fno-unit-at-a-time.
3414 * doc/invoke.texi (Option Summary): Mention
3415 -fno-toplevel-reorder.
3416 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
3417 -funit-at-a-time documentation.
3419 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
3420 Kazu Hirata <kazu@codesourcery.com>
3422 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3424 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
3426 * Makefile.in (FUNCTION_H): New. Use it instead of
3427 function.h throughout the file.
3428 * function.h: Include tree.h.
3430 2006-01-17 Ben Elliston <bje@au.ibm.com>
3432 * recog.c: Separate some functions with whitespace.
3434 2006-01-16 Richard Henderson <rth@redhat.com>
3436 Merge from gomp branch:
3437 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
3438 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3439 and rename from struct inline_data. Rename callee* to dst*;
3440 caller* to src*; add copy_decl hook, transform_call_graph_edges,
3441 transform_new_cfg, transform_return_to_modify, and
3442 transform_lang_insert_block flags; remove cloning_p, versioning_p,
3444 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3445 (copy_decl_for_dup): Remove.
3446 * tree-inline.c (struct inline_data): Move to header.
3447 (insert_decl_map): Export.
3448 (remap_decl): Update for member name changes. Use copy_decl hook.
3449 Allow for replacement to be a non-decl. Remove dead code.
3450 (remap_type_1): Check for existing mapping.
3451 (remap_type): Export.
3452 (remap_decls): Update for member name changes.
3453 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3454 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3455 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3456 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3457 (tree_function_versioning, build_duplicate_type): Likewise.
3458 (copy_body_r): Likewise. Export.
3459 (copy_decl_for_dup): Split into ...
3460 (copy_decl_for_dup_finish, copy_decl_to_var,
3461 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3462 (replace_ref_tree, inlining_p): Remove.
3464 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3466 * ifcvt.c (if_convert): Make it static.
3467 * rtl.h: Remove the prototype for if_convert.
3469 * local-alloc.c (local_alloc): Make it static.
3470 * rtl.h: Remove the prototype for local_alloc.
3472 * loop.c (loop_optimize): Make it static.
3473 * cfgloop.h: Remove the prototype for loop_optimize.
3476 2006-01-16 DJ Delorie <dj@redhat.com>
3478 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3481 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3483 * pa.md: Disparage copies between general and floating-point registers
3484 in 32-bit move patterns.
3486 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
3489 * Makefile.in (check-%): Depend on site.exp instead of
3490 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3493 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3495 * global.c (global_alloc): Make it static.
3496 * rtl.h: Remove the prototype for global_alloc.
3498 2006-01-16 Richard Guenther <rguenther@suse.de>
3500 * tree-ssa-alias.c (struct used_part): Add write_only field.
3501 (get_or_create_used_part_for): Initialize it to true.
3502 (create_overlap_variables_for): Don't create structure variables
3503 for structures that only are written to.
3504 (find_used_portions): Handle MODIFY_EXPR to track whether a
3505 structure is only written to.
3507 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3509 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3511 * basic-block.h: Remove the prototype for
3512 partition_hot_cold_basic_blocks.
3514 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
3516 * cppspec.c (lang_specific_spec_functions): Remove.
3517 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3518 * gcc.h (lang_specific_spec_functions): Remove.
3519 * gccspec.c (lang_specific_spec_functions): Remove.
3521 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
3523 * combine.c (record_value_for_reg): Invalidate registers
3525 (record_dead_and_set_regs_1): Likewise, by passing them to
3526 record_value_for_reg.
3527 (record_dead_and_set_regs): Invalidate stores made by a
3528 call. We do not combine across a call, but we still
3529 relied on equivalences.
3531 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3533 * tree-vrp.c (extract_range_from_binary_expr): Cope with
3534 vrp_int_const_binop returning non-constant nodes.
3536 2006-01-16 Paul Brook <paul@codesourcery.com>
3538 * config/m68k/m68k.c (output_move_const_into_data_reg):
3539 Output correct mnemonic for mvz and mvs.
3541 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
3543 * rtl-factoring.c: Add sequence abstraction algorithm.
3544 * cfgcleanup.c (outgoing_edges_match): Extra checks.
3545 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
3547 (block_has_preserve_label): New function.
3548 * common.opt: Register new pass.
3549 * Makefile.in: Ditto.
3551 * timevar.def: Ditto.
3552 * tree-pass.h: Ditto.
3553 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
3554 * rtl.h (make_jump_insn_raw): Add forward decl.
3555 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
3557 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3558 Roger Sayle <roger@eyesopen.com>
3560 * fold-const.c (fold_minmax): New static function.
3561 (fold_binary) <MIN_EXPR>: Call it.
3562 <MAX_EXPR>: Likewise.
3563 * stor-layout.c (place_field): Use DECL_SIZE consistently
3564 in the computation of the new record size.
3566 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3568 * cse.c (cse_condition_code_reg): Make it static.
3569 * rtl.h: Remove the prototype for cse_condition_code_reg.
3571 * combine.c (combine_instructions): Make it static.
3572 * rtl.h: Remove the prototype for combine_instructions.
3574 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3577 * tree.c (get_file_function_name_long): Concatenate the first global
3578 object name with a string derived from the input filename of the object
3581 2006-01-16 Ben Elliston <bje@au.ibm.com>
3583 * config/i386/winnt-stubs.c: Update FSF address.
3584 * config/xtensa/ieee754-df.S: Ditto.
3585 * config/xtensa/ieee754-sf.S: Ditto.
3587 2006-01-14 Ian Lance Taylor <ian@airs.com>
3589 * ifcvt.c (noce_init_if_info): New static function, broken out of
3590 noce_process_if_block.
3591 (noce_process_if_block): Call noce_init_if_info.
3592 (check_cond_move_block): New static function.
3593 (cond_move_process_if_block): New static function.
3594 (process_if_block): Call cond_move_process_if_block.
3596 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
3598 * cselib.c (hash_table): Rename to cselib_hash_table.
3599 (cselib_clear_table, discard_useless_values,
3600 remove_useless_values, cselib_lookup_mem, cselib_lookup,
3601 cselib_init, cselib_finish): Adjust uses of hash_table.
3603 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
3605 PR tree-optimization/25485
3606 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
3607 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
3608 is known to be false and true, respectively.
3610 2006-01-14 Richard Guenther <rguenther@suse.de>
3612 PR tree-optimization/22548
3613 PR tree-optimization/22555
3614 PR tree-optimization/22501
3615 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
3616 * params.def (salias-max-array-elements): New parameter.
3617 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
3618 * doc/invoke.texi (salias-max-array-elements): Document.
3619 * tree-flow-inline.h (var_can_have_subvars): We also handle
3621 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
3623 * tree-ssa-structalias.c (params.h): Include.
3624 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
3625 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
3626 (get_constraint_for): For ADDR_EXPR operating on something
3627 containing an ARRAY_REF, add all subvars to the solution.
3628 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
3629 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
3630 for creating MUST_DEFs.
3631 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
3633 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
3635 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
3637 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3638 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3639 number_of_iterations_le): New functions.
3640 (number_of_iterations_special): Removed.
3641 (number_of_iterations_exit): Do not use number_of_iterations_special.
3642 * tree.c (unsigned_type_for): Always return integer type.
3644 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
3645 Richard Guenther <rguenther@suse.de>
3647 PR rtl-optimization/24257
3648 * gcse.c (find_moveable_store): Only consider a store movable
3649 when the SET_SRC of the insn can be assigned to a register.
3651 2006-01-14 Ian Lance Taylor <ian@airs.com>
3653 * tree.c (tree_not_class_check_failed): New function.
3654 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
3655 (tree_not_class_check_failed): Declare.
3657 2006-01-13 Ian Lance Taylor <ian@airs.com>
3659 * reload1.c (do_output_reload): Add assertion rejecting a
3662 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
3664 * combine.c (struct reg_stat): Add new fields truncation_label and
3666 (record_value_for_reg): Reset truncated_to_mode.
3667 (record_truncated_value): New function.
3668 (check_promoted_subreg): Call it. Rename to check_conversions.
3669 (combine_instructions): Rename check_promoted_subreg to
3671 (reg_truncated_to_mode): New function.
3672 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
3673 (gen_lowpart_or_truncate): New function.
3674 (force_to_mode): Use it instead of gen_lowpart.
3676 2006-01-13 Diego Novillo <dnovillo@redhat.com>
3678 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
3679 VAR is a tag, not its type tag.
3681 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
3683 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3684 alternatives to match style of other entries.
3685 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
3687 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
3689 PR tree-optimization/25771
3690 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3693 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
3696 * tree-inline.c (declare_return_variable): If the return variable
3697 was marked as a non gimple complex, set the return slot variable
3698 to be a non gimple comple variable.
3700 2006-01-13 Richard Guenther <rguenther@suse.de>
3702 * builtins.c (expand_builtin_sincos): New function.
3703 (expand_builtin_mathfn_3): Remove dead code, sin and cos
3705 (expand_builtin): Expand sincos using expand_builtin_sincos.
3707 2006-01-12 DJ Delorie <dj@redhat.com>
3709 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3710 shift counts, separate SI shifts for m32c vs m16c, pass shift type
3711 so that constant shifts can be split.
3712 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3713 (m32c_valid_pointer_mode): Make static.
3714 (shift_gen_func_for): New.
3715 (m32c_prepare_shift): Use it. Split large const shifts into
3717 * config/m32c/predicates.md (shiftcount_operand): Allow more
3719 (longshiftcount_operand): New.
3720 * doc/md.texi (Machine Constraints): Document In6.
3722 2006-01-13 Ben Elliston <bje@au.ibm.com>
3724 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
3725 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
3728 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
3730 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
3731 to try to avoid clobbering pieces of structures when we know
3732 something about the whole structure.
3733 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
3735 2006-01-13 Ben Elliston <bje@au.ibm.com>
3737 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
3738 return in memory, as this is no limitation is no longer present.
3740 2006-01-12 DJ Delorie <dj@redhat.com>
3742 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
3743 mova with fb, and for fb+0 -> An.
3745 * config/m32c/mov.md (peephole2): Fix enabling logic.
3747 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3748 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
3749 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
3750 FINI_ARRAY_SECTION_ASM_OP): Define.
3752 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
3754 (m32c_legitimize_reload_address): New logic to reload FB to An.
3755 (m32c_output_reg_push): Add newline.
3756 (m32c_output_reg_pop): Likewise.
3758 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
3760 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
3762 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
3764 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3766 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3768 * config/sh/predicates.md (sh_rep_vec): Add parallel to
3771 2006-01-11 Ben Elliston <bje@au.ibm.com>
3773 * rtlanal.c (find_reg_note): Assert insn is not null.
3775 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3777 * df-scan.c (df_hard_reg_init): Move declaration of i outside
3780 2006-01-11 Jeff Law <law@redhat.com>
3782 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
3784 (mark_threaded_blocks, register_jump_thread): New functions.
3785 (thread_through_all_blocks): Remove unwanted argument. No
3786 longer rely on e->aux to communicate thread target info.
3787 Call mark_threaded_blocks. Release the threaded_blocks
3788 bitmap and threaded_edges vector when complete.
3789 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
3790 (threaded_blocks): Remove.
3791 (tree_ssa_dominator_optimize): Remove initialization and
3792 finalization of threaded_blocks. Simplify call to
3793 thread_through_all_blocks.
3794 (thread_across_edge): Call register_jump_thread rather than
3795 storing thread information into e->aux.
3796 (free_all_edge_infos): Simplify now that e->aux is no longer
3797 used to communicate with thread_through_all_blocks.
3798 * tree-flow.h (thread_through_all_blocks): Update prototype.
3799 (register_jump_thread): Prototype.
3801 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3803 * df-core.c (df_compact_blocks, df_bb_replace): Use
3804 SET_BASIC_BLOCK instead of BASIC_BLOCK.
3806 2006-01-11 Richard Guenther <rguenther@suse.de>
3808 PR tree-optimization/25734
3809 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3810 stop propagation after successful propagation to the LHS.
3812 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3814 * basic-block.h (control_flow_graph): Change the type of
3815 x_basic_block_info to VEC(basic_block,gc) *.
3816 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
3818 (SET_BASIC_BLOCK): New.
3819 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
3820 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
3821 * cfgbuild.c (find_basic_blocks): Likewise.
3822 * cfglayout.c (fixup_reorder_chain): Likewise.
3823 * cfgrtl.c (create_basic_block_structure,
3824 rtl_create_basic_block): Likewise.
3825 * ifcvt.c (find_if_case_1): Likewise.
3826 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
3829 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3831 * Makefile.in: Removed rotted odf.c entry.
3833 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
3836 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
3837 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
3838 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
3839 output pattern modifier, not %e.
3840 * config/cris/cris.c (cris_op_str): Update comment about pattern
3842 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
3843 before falling through into...
3844 <case 'E'>: Redefined from old 'e' case.
3846 2006-01-11 Jan Hubicka <jh@suse.cz>
3849 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
3851 2006-01-11 Jan Hubicka <jh@suse.cz>
3853 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
3854 * i386.c (x86_decompose_lea): Kill.
3855 (ix86_rtx_costs): Kill.
3857 2006-01-11 Jan Hubicka <jh@suse.cz>
3859 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
3860 * cgraph.h (cgraph_node): Add inline_decl.
3861 (cgraph_insert_node_to_hashtable): Declare.
3862 (save_inline_function_body): Declare.
3863 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
3865 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
3866 (cgraph_function_versioning): Update call of tree_function_versioning.
3867 (save_inline_function_body): New function.
3868 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
3869 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
3870 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
3871 (cgraph_default_inline_p): Likewise.
3872 (cgraph_decide_inlining_incrementally): Likewise.
3873 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
3874 (copy_bb): Kill saving; do updating of clones.
3875 (copy_cfg_body): Kill saving.
3876 (initialize_inlined-parameters): Likewise.
3877 (expand_call_inline): Likewise.
3879 (tree_function_versioning): New parameter "update_clones".
3880 (inlining_p): Kill saving.
3881 * tree-inline.h (tree_function_versioning): Update prototype.
3882 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
3885 2006-01-11 Ian Lance Taylor <ian@airs.com>
3887 * combine.c (struct undo): Remove is_int. Enumify types of undos.
3888 Allow undoing set of machine mode.
3889 (do_SUBST): Use enums instead of is_int.
3890 (do_SUBST_MODE): New function.
3891 (SUBST_MODE): New macro.
3892 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
3893 reg and trying to replace reg_regno_rtx with a new register.
3894 (undo_all): Use new enums, handle undoing a PUT_MODE change.
3895 (simplify_set): Use SUBST_MODE.
3896 (distribute_notes): Remove code that tried to update reg notes
3897 for regno_reg_rtx changes.
3899 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
3901 PR tree-optimization/23109
3902 PR tree-optimization/23948
3903 PR tree-optimization/24123
3905 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
3906 * tree-cfg.c (single_noncomplex_succ): New.
3907 * tree-flow.h (single_noncomplex_succ): Declare it.
3908 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3909 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3910 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
3911 insert_bb, register_division_in, insert_reciprocals,
3912 replace_reciprocal, free_bb): New.
3913 (execute_cse_reciprocals_1): Rewritten.
3914 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
3915 Do not commit any edge insertion. Always compute dominators and
3916 create the allocation pool.
3917 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
3918 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
3919 * targhooks.c (default_min_divistions_for_recip_mul): New.
3920 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
3921 * passes.c (init_optimization_passes): Run recip after tree loop
3923 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
3925 2006-01-11 Danny Berlin <dberlin@dberlin.org>
3926 Kenneth Zadeck <zadeck@naturalbridge.com>
3928 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
3929 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
3930 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
3931 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
3932 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
3933 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
3934 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
3935 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
3936 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
3937 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
3938 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
3939 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
3940 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
3941 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
3942 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
3943 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
3944 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
3945 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
3946 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
3947 DF_SCAN_POST_ALLOC): New macros.
3948 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
3949 df_free_bb_function, df_local_compute_function, df_init_function,
3950 df_dataflow_function, df_confluence_function_0,
3951 df_confluence_function_n, df_transfer_function,
3952 df_finalizer_function, df_free_function, df_dump_problem_function,
3953 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
3954 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
3955 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
3956 df_urec_bb_info, ) New types.
3957 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
3959 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
3960 df_analyze_simple_change_some_blocks,
3961 df_analyze_simple_change_one_block, df_compact_blocks,
3962 df_bb_replace, df_bb_regno_last_use_find,
3963 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
3964 df_insn_regno_def_p, df_find_def, df_find_use,
3965 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
3966 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
3967 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
3968 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
3969 debug_df_chain, df_get_dependent_problem, df_chain_create,
3970 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
3971 df_grow_bb_info, df_chain_dump, df_print_bb_index,
3972 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
3973 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
3974 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
3975 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
3976 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
3977 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
3978 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
3979 df_ref_remove, df_insn_refs_delete, df_refs_delete,
3980 df_reorganize_refs, df_set_state, df_hard_reg_init,
3981 df_read_modify_subreg_p) New public functions.
3982 * df-core.c: The core dataflow solver and glue routines for rtl
3984 (df_init, df_add_problem, df_set_blocks, df_finish,
3985 df_hybrid_search_forward, df_hybrid_search_backward,
3986 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3987 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3988 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3989 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3990 df_reg_defined, df_find_use, df_reg_used, df_dump,
3991 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3992 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3993 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3994 debug_df_useno, reset_df_after_reload): New functions.
3995 * df-scan.c: The scanning fuctions, once in df.c, completely
3996 rewritten so that they now fully model the functionality of
3997 register usage at the backend.
3998 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3999 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4000 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4001 df_grow_insn_info, df_rescan_blocks, df_ref_create,
4002 df_get_artificial_defs, df_get_artificial_uses,
4003 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4004 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4005 df_refs_delete, df_reorganize_refs, df_set_state,
4006 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4007 df_def_record_1, df_defs_record, df_uses_record,
4008 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4009 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4010 df_record_exit_block_uses, df_hard_reg_init): New functions.
4012 * df-problems.c: Seven concrete dataflow problems that use the
4013 scanning in df-scan.c and are solved by the engine in df-core.c.
4014 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4015 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4016 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4017 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4018 df_ru_free_bb_info, df_ru_alloc,
4019 df_ru_bb_local_compute_process_def,
4020 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4021 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4022 df_ru_transfer_function, df_ru_free, df_ru_dump,
4023 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4024 df_rd_free_bb_info, df_rd_alloc,
4025 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4026 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4027 df_rd_transfer_function, df_rd_free, df_rd_dump,
4028 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4029 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4030 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4031 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4032 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4033 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4034 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4035 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4036 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4037 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4038 df_urec_mark_reg_change, df_urec_check_earlyclobber,
4039 df_urec_mark_reg_use_for_earlyclobber,
4040 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4041 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4042 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4043 df_urec_dump, df_urec_add_problem, df_chain_alloc,
4044 df_chain_create_bb_process_use, df_chain_create_bb,
4045 df_chain_finalize, df_chain_free, df_chains_dump,
4046 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4047 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4048 df_reg_lifetime): New functions.
4049 * df.c: Deleted file.
4050 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
4051 consistent with new df api.
4052 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
4053 rest_of_handle_sms): Ditto.
4054 * web.c (unionfind_union, union_defs, entry_register, web_main):
4056 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
4057 invariant_expr_equal_p, find_defs, check_dependencies,
4058 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
4059 free_inv_motion_data, move_loop_invariants): Ditto.
4060 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
4061 Update dependencies.
4062 (odf.c): Added defective entry that was deleted later in day.
4063 * sched-deps.c (sched_analyze_1): Ditto.
4065 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4067 * tree-ssa-operands.c (get_expr_operands): Record addressable
4068 variables directly. Do not call add_stmt_operands for CONST_DECLs
4070 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
4071 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
4073 2006-01-11 Ben Elliston <bje@au.ibm.com>
4075 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
4076 function returns true in the positive case.
4078 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4081 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
4082 for SI, DI, SF and DF modes. Add alternatives to copy between
4083 general and floating point registers to the 32-bit patterns.
4084 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
4085 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
4086 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
4087 generating 64-bit code.
4088 * config/pa/pa.c (output_move_double): Handle copies between general
4089 and floating registers.
4091 2006-01-10 Stuart Hastings <stuart@apple.com>
4093 * config/i386/i386.md (set_got): Update.
4094 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
4095 (builtin_setjmp_receiver): Mach-O support.
4096 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
4097 (GOT_SYMBOL_NAME): Define.
4098 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4099 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
4100 * config/i386/i386.c (override_options): Revise for Darwin.
4101 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
4102 support. (darwin_x86_file_end): New. (output_set_got): Add label
4103 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
4104 * config/i386/i386-protos.h (output_set_got): Likewise.
4105 * config/darwin.c (machopic_legitimize_pic_address): Update
4108 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
4110 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
4111 when MODE isn't BLKmode.
4113 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4115 PR rtl-optimization/25367
4116 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
4118 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
4121 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
4122 for a negative bound.
4124 2006-01-10 Richard Guenther <rguenther@suse.de>
4126 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4127 Never override with anything constraint.
4129 2006-01-10 Jan Beulich <jbeulich@novell.com>
4131 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
4132 256 bits when optimize_size.
4134 2006-01-10 Jan Beulich <jbeulich@novell.com>
4136 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
4138 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
4139 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
4142 2006-01-10 Ben Elliston <bje@au.ibm.com>
4144 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
4146 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
4147 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4148 (USE_FP_FOR_ARG): Reject decimal float modes.
4149 (function_arg_advance): Likewise.
4150 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4151 (rs6000_handle_altivec_attribute): Do not permit decimal floating
4152 point types in AltiVec vectors.
4153 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4154 (rs6000_libcall_value): Likewise.
4156 2006-01-09 Bob Wilson <bob.wilson@acm.org>
4158 * config/xtensa/ieee754-df.S: New file.
4159 * config/xtensa/ieee754-sf.S: New file.
4160 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4161 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4162 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4164 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
4166 * config/sh/predicates.md (binary_float_operator,
4167 binary_logical_operator, commutative_float_operator,
4168 equality_comparison_operator, greater_comparison_operator,
4169 less_comparison_operator, logical_operator,
4170 noncommutative_float_operator, shift_operator,
4171 symbol_ref_operand, unary_float_operator): Remove redundant
4174 2006-01-09 Jeff Law <law@redhat.com>
4176 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4177 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
4178 now unused arguments. Callers updated.
4179 (eliminate_redundant_computations): Remove now unused arguments,
4181 (local_fold): Remove, no longer used.
4182 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4184 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4185 (simplify_cond): New function.
4186 (forward_propagate_into_cond): Call simplify_cond.
4188 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
4190 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4191 (*vec_extractv2di_1_sse): New.
4193 2006-01-09 Ben Elliston <bje@au.ibm.com>
4195 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4197 2006-01-08 Richard Guenther <rguenther@suse.de>
4199 * tree-ssa-structalias.c (get_constraint_for): Remove
4201 (get_constraint_for_component_ref): Likewise.
4202 (do_deref): Likewise.
4203 (get_constraint_for): Likewise.
4204 (do_structure_copy): Likewise.
4205 (handle_ptr_arith): Likewise.
4206 (find_func_aliases): Likewise. Remove unused need_anyoffset
4209 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
4210 Kaz Kojima <kkojima@gcc.gnu.org>
4212 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4213 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4214 (EXTRA_CONSTRAINT_C16): Remove.
4215 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4216 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4217 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4218 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4219 constants of SHmedia. Handle nested constant expressions of
4221 (andcosts): Fix the costs for SHmedia constants.
4222 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4223 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4224 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4225 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4226 (movv4hi_i, movv2si_i): Likewise.
4227 (movsi_const): Adjust the second operand of ior so to match with
4229 (movdi_const, movdi_const_32bit): Likewise.
4230 (movdi_const_16bit+1): Don't sign-extend LOW.
4231 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
4233 (*double_shori): Fix the split condition. Use GEN_INT instead
4234 of get_int_mode calls. Mask lower 16-bit of the argument of
4236 (sym2GOTPLT): Remove.
4237 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4239 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4240 instead of EXTRA_CONSTRAINT_C16.
4242 2006-01-07 Ian Lance Taylor <ian@airs.com>
4243 David Edelsohn <edelsohn@gnu.org>
4245 PR rtl-optimization/25662
4246 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4247 for constant operands instead of simplify_gen_binary.
4248 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4249 after trying simplify_binary_operation
4251 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
4253 * tree.c (iterative_hash_expr): Hash decls based on UID.
4255 2006-01-06 Eric Christopher <echristo@apple.com>
4257 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4258 (TARGET_UNWIND_EMIT): Fix spelling.
4259 * target.h (gcc_target): Add except_table_label.
4260 * except.c (output_function_exception_table): Use.
4261 * varasm.c (default_emit_except_table_label): New.
4262 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4264 (asm_out): Add here.
4265 * output.h (default_emit_except_table_label): Prototype.
4266 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4267 * config/darwin.c (darwin_emit_except_table_label): Define.
4268 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4270 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
4272 PR tree-optimization/18527
4273 * tree-ssa-loop-niter.c (number_of_iterations_cond,
4274 number_of_iterations_special, number_of_iterations_exit):
4275 Move base and step of an iv to a single structure. Add
4276 no_overflow flag, and use it in # of iterations analysis.
4277 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4278 folded_casts argument.
4279 (simple_iv): Pass base and step in a structure. Set no_overflow
4281 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4282 Evaluate expensiveness of computing # of iterations instead of
4283 the final expression.
4284 * tree-scalar-evolution.h (affine_iv): New structure.
4285 (simple_iv): Declaration changed.
4286 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4287 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4288 find_givs_in_stmt): Changed due to simple_iv change.
4290 2006-01-06 Jeff Law <law@redhat.com>
4293 * tree-cfg.c (bsi_replace): Rename final argument from
4294 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
4295 change (stmt -> orig_stmt).
4296 * tree-eh.c (verify_eh_throw_stmt_node): New function.
4297 (bsi_remove): Add new argument. Remove EH information
4299 (verify_eh_throw_table_statements): New function.
4300 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
4302 * tree-optimize.c (execute_free_cfg_annotations): Verify
4303 the EH throw statement table after removing annotations.
4304 * except.h (verify_eh_throw_table_statements): Prototype.
4305 * tree-flow.h (bsi_remove): Update prototype.
4306 * tree-vrp.c (remove_range_assertions): Add new argument to
4308 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4309 * tree-complex.c (expand_complex_div_wide): Likewise.
4310 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4311 * tree-tailcall.c (eliminate_tailcall): Likewise.
4312 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4313 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4314 * tree-nrv.c (tree_nrv): Likewise.
4315 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4316 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4317 (combine_blocks): Likewise.
4318 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4319 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4320 (cleanup_control_flow): Likewise.
4321 (remove_forwarder_block): Likewise.
4322 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4323 * tree-sra.c (sra_replace): Likewise.
4324 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4325 (forward_propagate_single_use_vars): Likewise.
4326 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4327 * tree-inline.c (expand_call_inline): Likewise.
4328 * tree-vect-transform.c (vect_transform_loop): Likewise.
4329 * tree-outof-ssa.c (rewrite_trees): Likewise.
4330 * tree-cfg.c (make_goto_expr_edges): Likewise.
4331 (cleanup_dead_labels): Likewise.
4332 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4333 (bsi_move_before, bsi_move_after): Likewise.
4334 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4335 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4337 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
4340 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4342 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4343 on non gimple variables. Also add checks at the top for decls and
4345 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4347 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4348 and IMAGPART_EXPR for creating MUST_DEFs.
4349 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4350 and NAME_MEMORY_TAG separately from the DECLs.
4352 2006-01-06 Richard Guenther <rguenther@suse.de>
4354 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4355 annotation, if necessary.
4356 * tree-ssa-pre.c (create_expression_by_pieces): Remove
4357 redundant calls to update_stmt.
4358 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4361 2006-01-05 Richard Henderson <rth@redhat.com>
4363 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4365 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4367 * c-typeck.c: Update copyright date.
4369 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4371 * c-typeck.c (build_c_cast): Always warn when casting
4372 from a pointer to an integer of different size, even if
4373 the node was constant.
4375 2006-01-05 Richard Guenther <rguenther@suse.de>
4377 PR tree-optimization/22555
4378 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4379 if one structure field is an array.
4380 * tree-ssa-operands.c (get_expr_operands): Continue scanning
4381 operands even if we found a subvar, but ignore VOPs in this
4383 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4385 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4387 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
4390 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4392 2006-01-05 Richard Guenther <rguenther@suse.de>
4393 Diego Novillo <dnovillo@redhat.com>
4395 * tree-pass.h (TODO_remove_unused_locals): Define.
4396 * gimple-low.c (expand_var_p, remove_useless_vars,
4397 pass_remove_useless_vars): Remove. Update all users.
4398 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4399 (remove_unused_locals): New function.
4400 * tree-flow.h (remove_unused_locals): Declare.
4401 * passes.c (execute_todo): Call remove_unused_locals if
4402 TODO_remove_unused_locals is set.
4403 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4404 * tree-ssa-dce.c (pass_dce): Likewise.
4405 * tree-outof-ssa.c (pass_del_ssa): Likewise.
4407 2006-01-05 Richard Guenther <rguenther@suse.de>
4409 * tree-flow.h (struct fieldoff): Decompose field to
4410 type, size and decl.
4411 * tree-ssa-alias.c (create_sft): Take type as parameter.
4412 (create_overlap_variables_for): Store type, size and decl
4413 in the fieldoff structure.
4414 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
4416 (push_fields_onto_fieldstack): Likewise.
4417 (create_variable_info_for): Likewise. Use offset for the
4418 SFT name if the decl is not available.
4420 2006-01-04 Paul Brook <paul@codesourcery.com>
4422 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
4424 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
4426 * lambda-code.c (can_put_in_inner_loop): Relax
4428 (can_put_after_inner_loop): New function.
4429 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
4430 (perfect_nestify): Change to make copies and modify uses.
4432 2006-01-04 Richard Henderson <rth@redhat.com>
4434 Merge from gomp branch:
4435 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
4436 via integer constant.
4437 (pragma_lex): Remove.
4438 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
4439 rather than parsing it.
4440 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
4441 handle_pragma_extern_prefix): Add %< %> quotes.
4442 (registered_pragmas): New.
4443 (c_register_pragma_1): New.
4444 (c_register_pragma): Use it.
4445 (c_register_pragma_with_expansion): Likewise.
4446 (c_invoke_pragma_handler): New.
4447 (init_pragma): Use cpp_register_deferred_pragma directly for
4449 * c-pragma.h (enum pragma_kind): New.
4450 (pragma_handler): New.
4451 (c_invoke_pragma_handler): Declare.
4452 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
4454 * c-common.h (c_common_pch_pragma): Update decl.
4455 * Makefile.in (c-parser.o): Update dependencies.
4456 (GTFILES): Add c-pragma.h.
4457 * c-parser.c (struct c_token): Add pragma_kind.
4458 (struct c_parser): Add in_pragma.
4459 (c_lex_one_token): Always initialize keyword and pragma_kind.
4460 Extract data for CPP_PRAGMA.
4461 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
4462 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
4463 Don't allow CPP_PRAGMA_EOL if in_pragma.
4464 (c_parser_consume_pragma): New.
4465 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
4466 (c_parser_skip_to_end_of_parameter): Likewise.
4467 (c_parser_skip_to_end_of_block_or_statement): Likewise.
4468 (c_parser_skip_to_pragma_eol): New.
4469 (c_parser_external_declaration): Handle CPP_PRAGMA.
4470 (c_parser_compound_statement_nostart): Likewise.
4471 (c_parser_statement_after_labels): Likewise.
4472 (c_parser_pragma): New.
4473 (pragma_lex): Likewise.
4474 (c_parser_pragma_pch_preprocess): New.
4475 (c_parser_new): Merge into ...
4476 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
4478 2006-01-04 Jeff Law <law@redhat.com>
4481 * tree-cfg.c (bsi_replace): Remove the original statement
4482 from the EH throw statement table.
4484 2006-01-04 Jakub Jelinek <jakub@redhat.com>
4486 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
4487 make the prototype extern "C" and add throw ().
4490 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
4491 and pos non-negative and pos + len <= 32.
4492 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
4493 drop pos + len < HOST_BITS_PER_WIDE_INT test.
4494 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
4497 * c-common.c (handle_vector_size_attribute): Reject zero vector size
4498 as well as sizes not multiple of component size.
4501 * function.c (instantiate_expr): New function.
4502 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
4503 walk its DECL_VALUE_EXPR with instantiate_expr.
4505 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
4506 DW_OP_deref{,_size} if address isn't going to be added.
4508 2006-01-04 Ben Elliston <bje@au.ibm.com>
4510 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
4511 * config/fp-bit.c: Likewise.
4513 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
4515 * dominance.c: Add comment about why we use DFS numbering
4518 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4519 Richard Henderson <rth@redhat.com>
4521 Merge from gomp-branch:
4522 * varasm.c (assemble_variable): Handle thread-local COMMON data.
4523 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
4525 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
4527 PR rtl-optimization/25578
4528 * combine.c (combine_simplify_rtx, force_to_mode): Don't
4529 pass a parameter to simplify_shift_const if changing ASHIFTRT
4532 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
4534 * builtins.c (get_builtin_sync_mem): New function.
4535 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4536 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
4537 Call get_builtin_sync_mem to generate mem rtx.
4539 2006-01-03 Richard Guenther <rguenther@suse.de>
4542 * stmt.c (add_case_node): Make sure to clear overflow flags
4545 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4547 Merge from gomp-branch.
4548 * config/sparc/sync.md: New file.
4549 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
4550 UNSPECV_LDSTUB): New constants.
4551 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
4552 * config/sparc/predicates.md (memory_reg_operand): New predicate.
4553 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
4556 2006-01-03 Roger Sayle <roger@eyesopen.com>
4558 * combine.c (reg_subword_p): New predicate to test whether the
4559 destination of a set refers to a subword/piece of a register.
4560 (try_combine): Generalize the code to merge the setting of a
4561 pseudo to a constant followed by a set of a subword of that
4562 register to a constant.
4564 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
4566 * basic-block.h (control_flow_graph): Change the type of
4567 x_label_to_block_map to VEC(basic_block,gc) *.
4568 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
4569 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
4571 * tree-ssa-propagate.c (cfg_blocks): Change the type to
4572 VEC(basic_block,heap) *.
4573 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
4574 ssa_prop_fini): Adjust the uses of cfg_blocks.
4576 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
4578 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
4580 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
4581 hashing trees instead of a pointer hash.
4582 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
4583 compare for MEM_EXPR.
4585 PR rtl-optimization/25130
4586 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
4587 when comparing MEMs for GCSE
4589 2006-01-03 Ben Elliston <bje@au.ibm.com>
4591 * targhooks.h (default_decimal_float_supported_p): Declare.
4592 * targhooks.c (default_decimal_float_supported_p): Define.
4593 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
4594 `default_decimal_float_supported_p'.
4595 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
4597 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
4599 * combine.c (apply_distributive_law <SUBREG>): Check
4600 TRULY_NOOP_TRUNCATION.
4602 2006-01-02 Geoffrey Keating <geoffk@apple.com>
4604 * dwarf2out.c (have_switched_text_section): Delete.
4605 (have_multiple_function_sections): New.
4606 (have_location_lists): Make 'bool'.
4607 (add_AT_loc_list): Use 'true' not '1'.
4608 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
4609 (output_loc_list): Use have_multiple_function_sections.
4610 (output_ranges): Likewise.
4611 (dwarf2out_begin_function): Set have_multiple_function_sections if
4613 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
4614 Check function_section rather than DECL_SECTION_NAME.
4615 (dwarf2out_finish): Use have_multiple_function_sections.
4616 Don't clear have_location_lists.
4618 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
4619 Jan Hubicka <jh@suse.cz>
4621 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
4622 case of conditional jump jumping to the next instruction.
4623 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
4624 cases of conditional jump jumping to the next instruction.
4626 2006-01-02 Jan Hubicka <jh@suse.cz>
4628 * i386.c (*_cost): Add COSTS_N_INSNS.
4629 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
4631 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
4634 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
4636 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4638 * config/arm/arm.c (all_fpus): Fix comment typo.
4639 * config/darwin.c: Likewise.
4640 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
4641 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
4642 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
4644 2006-01-01 David Edelsohn <edelsohn@gnu.org>
4646 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
4647 (rs6000_split_compare_and_swapqhi): New.
4648 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
4649 (sync_compare_and_swapqhi_internal): New.
4650 * config/rs6000/rs6000-protos.h: Declare.