1 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4 (struct ivopts_data): Add regs_used field.
5 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7 instead of loop_data->regs_used;
8 (free_loop_data): Do not free aux fields for loops.
9 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10 and tree_ssa_iv_optimize_finalize.
12 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
14 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
16 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
19 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
20 computing the effective result type.
22 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
25 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
26 (tree_overlaps_hard_reg_set): Declare.
27 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
28 type and signature to match function type expected by walk_tree.
29 (tree_overlaps_hard_reg_set): New function.
30 (decl_conflicts_with_clobbers_p): Rename to:
31 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
32 Use tree_overlaps_hard_reg_set. Changed caller.
33 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
34 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
35 * cris.c (cris_md_asm_clobbers): Likewise.
37 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
39 * reload1.c (emit_input_reload_insns): Delete code that tries to
40 inherit using find_equiv_reg.
42 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
44 * c-common.h (flag_const_strings): Don't declare.
45 * c-common.c (flag_const_strings): Remove.
46 * c.opt (fconst_strings): Remove.
47 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
48 <OPT_Wwrite_strings>: Don't set flag_const_strings.
49 (c_common_init_options): Don't set flag_const_strings.
50 * doc/invoke.texi (-fno-const-strings): Remove documentation.
52 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
54 * arm.md (tlobits_cbranch): New pattern.
55 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
58 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
61 * tree-ssa-pre.c (create_component_ref_by_pieces):
62 Handle RETURN_DECL like VAR_DECL.
64 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
67 * fold-const.c (fold_indirect_ref_1): Fold
68 "*(foo *)&complexfoo" to "__real__ complexfoo"
69 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
71 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
73 * tree-flow-inline.h (var_can_have_subvars):
74 Volatile variables should not have subvariables.
76 2006-02-09 Diego Novillo <dnovillo@redhat.com>
79 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
80 multiplying unsigned values.
83 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
85 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
87 2006-02-08 Jason Merrill <jason@redhat.com>
90 * tree.def: Elaborate on difference from MODIFY_EXPR.
91 * doc/c-tree.texi (INIT_EXPR): Likewise.
92 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
93 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
94 (gimplify_target_expr): Likewise.
95 (gimplify_cond_expr): Remove target handling.
96 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
97 (gimplify_expr): Clobber it here.
98 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
99 Do return slot optimization if we have an INIT_EXPR.
102 * tree-inline.c (declare_return_variable): Also clear
103 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
106 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
109 * gimplify.c (gimplify_one_sizepos): Fix typo.
111 2006-02-08 Jeff Law <law@redhat.com>
113 PR tree-optimization/21417
114 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
115 across a backedge if the control statement at the end of the
116 block is data dependent on other statements in the same block.
117 (record_temporary_equivalences_from_stmts): Remove over-conservative
118 test for threading across backedges.
120 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
121 control statement, handle all three special cases in the same
122 manner as they all have the same desired solution. No longer
123 special case edge flag updating when the post dominator is
126 2006-02-08 Roger Sayle <roger@eyesopen.com>
128 * tree.def (CHAR_TYPE): Remove.
129 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
130 * dwarf2out.c (base_type_die, is_base_type): Likewise.
131 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
132 (gen_string_type_die): Delete unreachable function.
134 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
135 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
136 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
137 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
138 * builtins.c (type_to_class): Likewise.
139 * fold-const.c (fold_convert, build_range_check,
140 merge_ranges): Likewise.
141 * expr.c (count_type_elements): Likewise.
142 * c-pretty-print.c (pp_c_type_specifier): Likewise.
143 * stor-layout.c (layout_type): Likewise.
144 * ipa-type-escape.c (type_to_consider): Likewise.
145 * gimplify.c (omp_firstprivatize_type_sizes,
146 gimplify_type_sizes): Likewise.
147 * explow.c (promote_mode): Likewise.
148 * tree-sra.c (is_sra_scalar_type): Likewise.
149 * varasm.c (output_constant): Likewise.
150 * tree-inline.c (remap_type_1): Likewise.
151 * convert.c (convert_to_pointer, convert_to_real,
152 convert_to_integer, convert_to_complex): Likewise.
154 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
156 * df-scan.c (df_def_record_1): A set destination may
157 be a parallel regardless of mode.
159 2006-02-08 Roger Sayle <roger@eyesopen.com>
162 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
163 * config/mips/_tilib.c: Remove.
164 * config/fixtfdi.c: New libgcc source file.
165 * config/fixunstfdi.c: New source file.
166 * config/floatditf.c: New source file.
167 * config/floatunditf.c: New souce file.
168 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
169 files above instead of config/mips/_tilib.c.
170 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
172 2006-02-08 Jeff Law <law@redhat.com>
174 PR tree-optimization/26169
175 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
178 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
180 * df.h (DF_REG_SIZE): Return the length of the initialized
183 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
185 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
186 __muldf3): Return a correctly signed zero.
188 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
190 * passes.c (register_one_dump_file): Accept the current properties
191 instead of pass number. Adjust call to dump_register. Remove
193 (register_dump_files): Now a wrapper around...
194 (register_dump_files_1): ... this one. Do not modify the pass
196 (next_pass_1): Cosmetic fix.
197 (execute_todo): Keep second parameter only. Use curr_properties
198 instead of fetching it from the pass structure. Check and set
200 (execute_one_pass): Handle TODO_set_props. Use curr_properties
201 instead of fetching it from the pass structure. Fix calls to
202 execute_todo. Update curr_properties and initialize .vcg RTL dump
203 after running the pass. Reset last_verified.
204 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
206 (FIRST_AUTO_NUMBERED_DUMP): New.
207 (dump_register): Remove "num" parameter, assign it within the
209 (get_dump_file_name): Modify template for dumps.
210 * tree-dump.h (dump_register): Adjust prototype.
211 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
212 (PROP_trees): Add PROP_gimple_lomp.
213 (TODO_set_props): New.
214 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
215 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
216 * cfgexpand.c (pass_expand): Destroy PROP_trees.
218 2006-02-08 Jakub Jelinek <jakub@redhat.com>
220 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
221 (sparc64-*-linux*): Likewise.
222 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
223 * config/sparc/t-linux: New file.
224 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
225 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
226 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
227 -m32 -mlong-double-128.
229 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
230 * config/alpha/t-linux: New file.
231 * config/alpha/libgcc-alpha-ldbl.ver: New file.
233 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
234 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
235 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
236 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
237 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
238 (CPP_ARCH32_SPEC): Remove.
240 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
242 PR tree-optimization/26145
243 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
246 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
249 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
250 >= 240000 when generating code for SOM runtime.
251 (output_indirect_call): Don't use "b,l" instruction for indirect calls
252 to $$dyncall when generating code for SOM runtime..
254 2006-02-07 Dirk Mueller <dmueller@suse.com>
257 * doc/invoke.texi (-Wsequence-point): Update documentation
258 that -Wsequence-point is implemented for C++ as well.
260 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
262 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
263 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
264 (LIB_SPEC): Likewise.
265 * doc/invoke.texi (SPARC options): Document -pthread.
267 2006-02-07 Geoffrey Keating <geoffk@apple.com>
269 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
272 2006-02-07 Roger Sayle <roger@eyesopen.com>
274 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
275 Correct comment describing BOOLEAN_TYPE.
277 2006-02-07 Dirk Mueller <dmueller@suse.com>
279 * c.opt: C++ frontend supports -Wdiv-by-zero.
280 * c-opts.c (c_common_handle_option): Remove dead case.
282 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
284 * configure.ac (TLS assembler check): Do not enable TLS by
285 default on SPARC/Solaris before version 10.
286 * configure: Regenerate.
288 2006-02-07 David Edelsohn <edelsohn@gnu.org>
290 * doc/invoke.texi (xl-compat): Document conversion and support
293 2006-02-07 Jeff Law <law@redhat.com>
295 * tree-vrp.c (find_conditional_asserts): Update comments.
296 (simplify_stmt_for_jump_threading): New.
297 (identify_jump_threads, finalize_jump_threads): New.
298 (vrp_finalize): Call identify_jump_threads.
299 (execute_vrp): Call finalize_jump_threads.
300 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
301 (vrp_element, vrp_data, vrp_element_p): Remove.
302 (vrp_hash_elt, vrp_variables_stack): Remove.
303 (vrp_hash, vrp_eq, record_range): Remove.
304 (simplify_cond_and_lookup_avail_expr): Remove.
305 (extract_range_from_cond): Remove.
306 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
307 (simplify_stmt_for_jump_threading): New.
308 (dom_thread_across_edge): New wrapper.
309 (tree_ssa_dominator_optimize): No longer initialize or
310 finalize any of the VRP datastructures. Remove iteration
311 step and simplify as a result of removal of iteration step.
312 (pass_dominator): Perform a cfg cleanup after DOM.
313 (dom_opt_finalize_block): Use the new common routines
314 for threading jumps. Simplify stack management slightly.
315 No longer need to unwind VRP state.
316 (record_equivalences_from_incoming_edge): No longer record
318 (eliminate_redundant_computations): No longer call
319 simplify_cond_and_lookup_avail_expr.
320 * tree-flow.h (potentially_threadable_block): Prototype.
321 (thread_across_edge): Likewise.
322 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
323 (tree-ssa-threadedge.o): Add dependencies.
324 * tree-ssa-threadedge.c: New file.
325 * passes.c (init_optimization_passes): Merge PHIs before
326 calling VRP. Run VRP again late in the SSA optimization pipeline.
328 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
330 * df-core.c (df_set_blocks): Do not dereference function pointers.
331 (df_finish1): Likewise.
332 (df_hybrid_search_forward): Likewise.
333 (df_hybrid_search_backward): Likewise.
334 (df_iterative_dataflow): Likewise.
335 (df_analyze_problem): Likewise.
336 (df_compact_blocks): Likewise.
338 * df-scan.c (df_rescan_blocks): Likewise.
339 (df_record_entry_block_defs): Likewise.
341 * genconditions.c (write_conditions): Guard the definition of
342 'insn_conditions' with the check on GCC version.
343 (write_writer): Guard the traversal 'insn_conditions' with
344 the check on GCC version.
346 2006-02-07 Richard Guenther <rguenther@suse.de>
350 2006-01-30 Richard Guenther <rguenther@suse.de>
352 * gimplify.c (gimplify_target_expr): Handle easy cases
353 without creating a temporary.
355 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
357 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
358 use of float in probability computations. Use edge probabilities
359 in place of statically computed probabilities.
360 (min_spec_prob): New static variable.
361 (schedule_insns): Initialize it.
362 (GET_SRC_PROB): Removed.
363 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
365 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
368 * config/ia64/unwind-ia64.c: Revert last change.
369 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
370 (INCOMING_FRAME_SP_OFFSET): Define.
372 2006-02-06 Roger Sayle <roger@eyesopen.com>
374 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
376 2006-02-07 Ben Elliston <bje@au.ibm.com>
378 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
379 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
380 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
381 (ix86_return_in_memory): Handle TDmode.
382 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
383 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
385 2006-02-06 Richard Sandiford <richard@codesourcery.com>
387 * reorg.c (dbr_schedule): Use dump_file instead of file.
389 2006-02-06 Steve Ellcey <sje@cup.hp.com>
392 * config/ia64/predicates.md (extr_len_operand): New predicate.
393 * config/ia64/ia64.md (extv): Tighten constraints.
395 (*tbit_and_2): Ditto.
396 (*tbit_and_3): Ditto.
402 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
405 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
407 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
409 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
410 loop_optimizer_init and loop_optimizer_finalize
411 * tree-ssa-sink.c (execute_sink_code): Ditto.
412 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
413 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
414 tree_ssa_loop_done): Ditto.
415 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
416 * sched-ebb.c: Include output.h.
417 (schedule_ebbs): Do not use dump argument.
418 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
419 * loop.c (loop_dump_stream): Removed.
420 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
422 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
423 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
424 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
425 loop_iterations, strength_reduce, record_biv, record_giv,
426 final_giv_value, check_final_value, check_ext_dependent_givs,
427 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
428 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
429 dump_file instead of loop_dump_stream.
430 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
432 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
434 * flow.c (life_analysis, rest_of_handle_life): Ditto.
435 * haifa-sched.c: Include output.h
436 (schedule_insns, sched_init): Do not use dump argument.
437 * mode-switching.c (optimize_mode_switching): Ditto.
438 * modulo-sched.c (stats_file): Removed.
439 (print_node_sched_params): Do not call argument dump_file.
440 (sms_schedule_by_order, loop_canon_p, sms_schedule,
441 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
443 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
445 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
446 rtl_loop_init, rtl_loop_done): Ditto.
447 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
448 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
450 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
451 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
452 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
453 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
454 * emit-rtl.c (renumber_insns): Ditto.
455 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
456 expand_gimple_basic_block, tree_expand_cfg): Ditto.
457 * regclass.c (regclass): Ditto.
458 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
459 remove_ssa_form, rewrite_out_of_ssa): Ditto.
460 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
461 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
463 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
464 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
466 * gcse.c (gcse_file, debug_stderr): Removed.
467 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
468 rest_of_handle_gcse): Do not use dump argument.
469 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
470 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
471 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
472 compute_code_hoist_vbeinout, compute_code_hoist_data,
473 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
474 compute_store_table, build_store_vectors, insert_insn_start_bb,
475 insert_store, remove_reachable_equiv_notes, replace_store_insn,
476 store_motion): Use dump_file instead of gcse_file.
477 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
478 * profile.c (profile_dump_file): Removed.
479 (branch_prob): Use dump_file instead of profile_dump_file.
480 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
482 * tree-ssa-copy.c (dump_copy_of): Ditto.
483 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
484 dump file to life_analysis.
485 * bt-load.c (branch_target_load_optimize): Ditto.
486 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
488 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
489 regclass, dbr_schedule): Declaration changed.
490 * sched-int.h (sched_init): Declaration changed.
491 * tree-profile.c (tree_profile_dump_file): Removed.
492 (tree_profile_hooks): Removed profile_dump_file hook.
493 * rtl-profile (rtl_profile_dump_file): Removed.
494 (rtl_profile_hooks): emoved profile_dump_file hook.
495 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
497 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
498 * tree-cfg.c (build_tree_cfg): Ditto.
499 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
500 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
502 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
503 life_analysis and schedule_insns.
504 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
506 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
508 * config/mips/mips.c (mips_reorg): Ditto.
509 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
512 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
514 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
515 (s390_mangle_fundamental_type): New.
516 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
519 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
520 (alpha_mangle_fundamental_type): New.
521 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
524 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
526 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
528 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
529 (sparc_mangle_fundamental_type): New.
531 2006-02-06 Jakub Jelinek <jakub@redhat.com>
533 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
534 (s390x-*-linux*): Likewise.
535 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
536 * config/s390/t-linux: New file.
538 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
540 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
541 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
543 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
545 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
546 (ANTIC_SAFE_LOADS): New macro.
547 (find_or_generate_expression): Add prototype.
548 (set_contains_value): Allow null set for sake of not always having
549 to allocate ANTIC_SAFE_LOADS.
550 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
551 Allow COMPONENT_REF too.
552 (valid_in_set): Allow COMPONENT_REF.
553 Check ANTIC_SAFE_LOADS too.
554 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
555 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
557 (can_PRE_operation): Add COMPONENT_REF.
558 (create_component_ref_by_pieces): New function.
559 (create_expression_by_pieces): Use create_component_ref_by_pieces.
560 (insert_aux): Move AGGREGATE_TYPE_P check here.
561 (compute_avail): Set bb local stmt uids.
562 (pass_pre): Use TODO_update_ssa_only_virtuals.
564 2006-02-06 Ben Elliston <bje@au.ibm.com>
566 * configure.ac: Unconditionally disable decimal float by default.
567 * configure: Regenerate.
569 2006-02-06 Ben Elliston <bje@au.ibm.com>
571 * read-rtl.c (read_name): Terminate reading on EOF.
573 2006-02-06 Ben Elliston <bje@au.ibm.com>
575 * dfp.c (decimal_real_arithmetic): Change second argument type
576 from int to enum tree_code. Do not always return true, but now
577 return result of any call to decimal_do helper functions.
578 * dfp.h (decimal_real_arithmetic): Update prototype.
580 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
582 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
584 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
587 * tree-cfg.c (cleanup_dead_labels): Also don't remove
590 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
592 * tree-vrp.c (cfg_loops): Removed.
593 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
594 Use current_loops instead of cfg_loops. Pass flags to
596 * cfgloopmanip.c (fix_loop_structure): Update only available
598 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
600 * modulo-sched.c (build_loops_structure): Removed.
601 (sms_schedule): Use loop_optimizer_init.
602 * loop-init.c (loop_optimizer_init): Use flags to determine
603 which properties of loops to prepare.
604 (rtl_loop_init): Pass flags to loop_optimizer_init.
605 * tree-ssa-sink.c (execute_sink_code): Ditto.
606 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
607 * tree-ssa-pre.c (init_pre): Ditto.
608 * cfgloop.h (LOOPS_NORMAL): New.
609 (loop_optimizer_init): Declaration changed.
611 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
613 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
614 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
616 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
618 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
620 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
621 * pa/t-pa64: Delete quadlib.c rule.
622 * pa/x-ada: Revert last change.
623 * pa/t-pa: Revert last change. Delete quadlib.c rule.
625 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
627 PR rtl-optimization/26087
628 * rtlanal.c (canonicalize_condition): Do not cross basic block
631 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
634 * config/ia64/ia64.c: Include debug.h.
635 (MAX_ARTIFICIAL_LABEL_BYTES): New.
636 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
637 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
638 (process_epilogue, process_set, process_for_unwind_directive):
639 Output unwind info only if requested. Add CFA info if requested.
640 Add new arguments as needed. Adjust callers.
641 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
643 (DWARF2_FRAME_INFO): Define to zero.
644 * config/ia64/unwind-ia64.c: Remove code that compensated for
645 the CFA offset error fixed above.
646 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
647 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
648 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
649 -funwind-tables and -fexceptions to enable frame info.
650 (dwarf2out_frame_init): Define initial CFA even if
651 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
652 DWARF2_UNWIND_INFO is nonzero, not just defined.
653 (dwarf2out_frame_finish): Output non-EH call frame info only
654 if DWARF2_FRAME_INFO is nonzero.
655 (convert_cfa_to_loc_list,
656 compute_frame_pointer_to_cfa_displacement): Define even if
657 unwind info is not supported.
658 (gen_subprogram_die): Use the above unconditionally. Remove
659 legacy alternate code.
660 * toplev.c (compile_file): Compile in call to
661 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
662 (lang_dependent_init): Ditto for dwarf2out_frame_init.
664 2006-02-04 David Edelsohn <edelsohn@gnu.org>
665 Jakub Jelinek <jakub@redhat.com>
667 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
668 IBM extended float format long double as "g" on powerpc*-linux.
670 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
673 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
674 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
676 2006-02-03 Jason Merrill <jason@redhat.com>
679 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
682 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
683 on the return slot if it's an NRV.
685 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
687 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
688 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
689 rewrite_use): Do not handle USE_OUTER.
690 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
691 add_iv_outer_candidates, may_replace_final_value,
692 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
693 (find_interesting_uses_op): Functionality of
694 find_interesting_uses_outer_or_nonlin moved here.
695 (find_interesting_uses_outside): Use find_interesting_uses_op.
697 2006-02-03 Alan Modra <amodra@bigpond.net.au>
700 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
702 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
703 Ulrich Weigand <uweigand@de.ibm.com>
706 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
707 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
708 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
709 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
711 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
712 (s390_rtx_costs): Use the new fields to calculate rtx costs.
713 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
714 Define secondary reloads for TFmode moves.
715 (constant_modes): Add TFmode.
716 (NR_C_MODES): Set to 8.
717 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
719 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
720 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
721 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
722 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
723 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
724 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
725 (FPR mode macro): Add TFmode.
726 (DSF mode macro): New.
727 (<de>, <dee> mode attributes): Removed.
728 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
729 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
730 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
731 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
732 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
733 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
734 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
735 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
736 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
737 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
738 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
739 "*negabs<mode>2", "sqrt<mode>2"):
740 Changed <de> to <xde>. R constraint replaced by <Rf>.
741 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
743 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
744 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
745 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
747 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
748 "extenddftf2", "extendsftf2"): New expanders.
749 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
750 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
751 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
752 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
754 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
755 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
756 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
757 __floatditf): Add a GCC_4.1.0 symbol version tag.
758 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
761 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
764 * config/i386/i386.c (ix86_function_ok_for_sibcall):
765 Use targetm.binds_local_p instead of TREE_PUBLIC.
767 2006-02-02 Roger Sayle <roger@eyesopen.com>
769 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
770 on INTEGER_TYPEs to indicate that it denotes a character type.
771 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
772 signed_char_type_node, unsigned_char_type_node and char_type_node.
773 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
774 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
775 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
777 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
778 Daniel Berlin <dberlin@dberlin.org>
780 * tree-tailcall.c (arg_needs_copy_p): New function.
781 (eliminate_tail_call): Use arg_needs_copy_p.
782 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
783 (add_virtual_phis): New function.
785 2006-02-02 Jakub Jelinek <jakub@redhat.com>
787 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
788 #ignore instead of #scratch for %g7 .register directive.
790 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
792 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
795 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
797 * flow.c (calculate_global_regs_live): Assert that there aren't any
800 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
802 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
804 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
805 bsi_after_labels iterator.
806 * tree-if-conv.c (find_phi_replacement_condition,
807 replace_phi_with_cond_modify_expr): Likewise.
808 * tree-scalar-evolution.c (scev_const_prop): Likewise.
809 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
811 2006-02-02 Diego Novillo <dnovillo@redhat.com>
813 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
815 2006-02-02 Diego Novillo <dnovillo@redhat.com>
818 * tree-cfg.c (move_block_to_fn): Clear out the basic block
819 array after growing it.
821 2006-02-01 Steve Ellcey <sje@cup.hp.com>
824 * fold-const.c (fold_checksum_tree): Change type of buf.
826 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
828 * reload.c (push_secondary_reload): Initialize t_icode.
830 2006-02-01 Jakub Jelinek <jakub@redhat.com>
832 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
833 -msoft-float -mlong-double-128 only issue a warning, but don't
834 swich to DFmode long double.
836 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
838 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
839 has a constant equivalent, iterate over equivalents for arg0,
840 calling simplify_relational_operation and if there's a result
841 cheaper than X, apply fold_rtx and return the result.
843 2006-02-01 Jan Hubicka <jh@suse.cz>
845 * opts.c (no_unit_at_a_time_default): New global variable.
846 (decode_options): Use it.
847 * opts.h (no_unit_at_a_time_default): Declare.
849 2006-02-01 Paul Brook <paul@codesourcery.com>
851 * function.c (assign_parm_setup_reg): Use function argument promotion
853 * expr.c (expand_expr_real_1): Use function argument promotion rules
856 2006-02-01 Steve Ellcey <sje@cup.hp.com>
858 * gcc.c (process_command): Change j to 'unsigned int'.
860 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
863 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
864 Use the corrected index for the character
865 out of the string constant.
867 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
869 * mode-switching.c (optimize_mode_switching): Fix size
870 allocated for bb_info[n_entities].
872 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
874 * gcc.c (main): Correct type that is allocated for
877 2006-01-31 Jakub Jelinek <jakub@redhat.com>
879 * config/s390/s390.c (init_alignment_context): Set
880 ALIAS_SET_MEMORY_BARRIER on the MEM.
881 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
883 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
886 * loop-unroll.c (unroll_loop_runtime_iterations): Free
888 * tree-ssa-live.c (type_var_init): Allocate bitmap after
891 2006-01-31 Marcin Dalecki <martin@dalecki.de>
893 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
894 * regrename.c: Ditto.
895 * tree-ssa-loop-im.c: Ditto.
896 * tree-dump.c: Ditto.
897 * tree-complex.c: Ditto.
899 * tree-ssa-threadupdate.c: Ditto.
901 * java/class.c: Ditto.
902 * java/jcf-parse.c: Ditto.
903 * java/resource.c: Ditto.
904 * java/except.c: Ditto.
905 * java/jvspec.c: Ditto.
906 * java/jcf-write.c: Ditto.
907 * java/jcf-path.c: Ditto.
908 * java/gjavah.c: Ditto.
909 * java/zextract.c: Ditto.
910 * java/jcf-io.c: Ditto.
912 * java/buffer.c: Ditto.
913 * java/lang.c: Ditto.
914 * java/parse-scan.y: Ditto.
917 * cfgloopmanip.c: Ditto.
918 * postreload-gcse.c: Ditto.
919 * tree-ssa-loop-manip.c: Ditto.
920 * postreload.c: Ditto.
921 * tree-ssa-loop-ch.c: Ditto.
925 * diagnostic.c: Ditto.
927 * genoutput.c: Ditto.
930 * cfgloopanal.c: Ditto.
931 * objc/objc-act.c: Ditto.
933 * genextract.c: Ditto.
934 * genautomata.c: Ditto.
935 * pretty-print.c: Ditto.
937 * cgraphunit.c: Ditto.
940 * haifa-sched.c: Ditto.
941 * dominance.c: Ditto.
943 * tree-ssa-loop-ivopts.c: Ditto.
945 * mode-switching.c: Ditto.
946 * modulo-sched.c: Ditto.
948 * ipa-pure-const.c: Ditto.
950 * fix-header.c: Ditto.
952 * tree-stdarg.c: Ditto.
953 * ipa-utils.c: Ditto.
954 * loop-init.c: Ditto.
955 * ipa-inline.c: Ditto.
958 * alloc-pool.c: Ditto.
959 * dwarf2out.c: Ditto.
961 * genattrtab.c: Ditto.
962 * tree-ssa-loop-ivcanon.c: Ditto.
966 * fortran/gfortranspec.c: Ditto.
968 * local-alloc.c: Ditto.
969 * langhooks.c: Ditto.
971 * tree-vectorizer.c: Ditto.
973 * ipa-type-escape.c: Ditto.
975 * tree-if-conv.c: Ditto.
978 * tree-data-ref.c: Ditto.
979 * loop-unroll.c: Ditto.
980 * treelang/treetree.c: Ditto.
983 * ggc-common.c: Ditto.
987 * tree-cfgcleanup.c: Ditto.
988 * tree-ssa-pre.c: Ditto.
989 * cfgcleanup.c: Ditto.
990 * loop-invariant.c: Ditto.
993 * print-tree.c: Ditto.
996 * sched-deps.c: Ditto.
998 * tree-object-size.c: Ditto.
1000 * bb-reorder.c: Ditto.
1001 * resource.c: Ditto.
1002 * var-tracking.c: Ditto.
1004 * df-problems.c: Ditto.
1005 * reg-stack.c: Ditto.
1008 * sched-rgn.c: Ditto.
1009 * tree-ssa-structalias.c: Ditto.
1010 * tree-ssa-reassoc.c: Ditto.
1011 * config/darwin-c.c: Ditto.
1012 * config/darwin.c: Ditto.
1013 * config/arm/arm.c: Ditto.
1015 * collect2.c: Ditto.
1018 2006-01-31 Nicolas Pitre <nico@cam.org>
1020 * arm.md (smaxsi3): Make aware of smax_m1.
1023 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
1025 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1027 2006-01-31 Richard Guenther <rguenther@suse.de>
1029 * doc/invoke.texi (-msselibm): Document.
1030 * target.h (expand_library_builtin): New target hook.
1031 * builtins.c (expand_builtin): Use expand_library_builtin.
1032 (default_expand_library_builtin): New function.
1033 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1034 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1035 (link_gcc_math_spec): Declare.
1036 (static_specs): Add link_gcc_math_spec.
1037 * expr.h (default_expand_library_builtin): Declare.
1038 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1039 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1040 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1041 * config/i386/i386.opt (msselibm): New target option.
1042 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1043 (ix86_init_sse_abi_builtins): New function.
1044 (ix86_expand_library_builtin): Likewise.
1045 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1046 (override_options): Handle error conditions wrt -msselibm.
1047 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1048 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1049 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1052 2006-01-31 Richard Guenther <rguenther@suse.de>
1053 Paolo Bonzini <bonzini@gnu.org>
1055 * doc/install.texi (--disable-libgcc-math): Document.
1057 2006-01-30 Marcin Dalecki <martin@dalecki.de>
1059 * expr.h (expand_normal): new inline function.
1060 * builtins.c: use it, use EXPAND_NORMAL explicitely.
1062 * dwarf2out.c: use it.
1067 * config/sparc/sparc.c: use it.
1068 * config/i386/i386.c: use it.
1069 * config/rs6000/rs6000.c: use it.
1070 * config/arm/arm.c: use it.
1071 * config/mips/mips.c: use it.
1072 * stmt.c: use it, use EXPAND_NORMAL explicitely.
1074 2006-01-30 Roger Sayle <roger@eyesopen.com>
1076 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1077 argv to the appropriate type.
1079 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
1081 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1084 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
1087 * config/s390/s390.c (struct machine_function): New flag
1088 decomposed_literal_pool_addresses_ok_p.
1089 (s390_reorg): Set it before final stage of literal pool transforms.
1090 (s390_decompose_address): Only accept displacements of the form
1091 (minus (label_ref ...) (label_ref ...)) if that flag is set.
1093 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
1095 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1096 the comparison routine return.
1098 2006-01-30 Michael Matz <matz@suse.de>
1100 * global.c (find_reg): Only evict for global regs.
1101 Take n_refs into account and dump more info.
1103 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
1106 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1107 (pragma_trap, pragma_nosave_low_regs): Likewise.
1108 (current_function_anonymous_args): Likewise.
1109 (sh_deferred_function_attributes): New variable.
1110 (sh_deferred_function_attributes_tail): Likewise.
1111 (print_operand): For '@', look up trap_exit attribute.
1112 (calc_live_regs): Look up trapa_handler attribute. For trapa
1113 handlers, save/restore fpscr, but don't do any other
1114 interrupt-specific saves.
1115 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1116 Fix check for partially saved registers to check for SHmedia.
1117 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1118 (sh_output_function_epilogue): Don't clear any of the removed
1120 (sh_insert_attributes): Don't check pragma_interrupt.
1121 Insert deferred attributes. Check that interrupt attribute is
1122 present for other attributes that require its presence.
1123 (sh_attribute_table): Add new attributes trapa_handler and
1125 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1126 Don't check for pragma_interrupt. Don't store argument.
1127 * sh.h (pragma_interrupt, sp_switch): Don't declare.
1128 (sh_deferred_function_attributes): Declare.
1129 (sh_deferred_function_attributes_tail): Likewise.
1130 * sh.md (sp_switch_1): Add operand. Change generator caller.
1131 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1132 (*return_i): Don't use when trap_exit attribute is in effect.
1133 (*return_trapa): New insn pattern.
1135 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1136 setting c_target_objs and cxx_target_objs.
1137 * t-sh: Add rule for sh-c.o.
1139 2006-01-30 Richard Guenther <rguenther@suse.de>
1142 * gimplify.c (gimplify_target_expr): Handle easy cases
1143 without creating a temporary.
1145 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
1147 * vec.h (safe_grow): Remove duplicated line.
1149 2006-01-29 Diego Novillo <dnovillo@redhat.com>
1152 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1153 (expand_omp): ... here.
1154 (expand_omp_parallel): Only remove barriers for combined
1155 parallel+workshare constructs.
1157 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
1161 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1162 * tree.c (build_qualified_type): Chain the new type to the original
1163 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1164 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1165 (build_pointer_type_for_mode): Only return unqualified types.
1166 (build_reference_type_for_mode): Likewise.
1168 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
1170 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1171 * Makefile.in (CXX_COMPAT_WARN): Define.
1172 * configure: Regenerate.
1174 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
1177 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1180 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1182 * toplev.c: Fix thinko.
1184 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1185 Marcin Dalecki <martin@dalecki.de>
1187 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1188 (push_srcloc): Use XNEW.
1189 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1191 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1193 * df-core.c (df_set_blocks): Deleted all variable.
1195 2006-01-28 Ian Lance Taylor <ian@airs.com>
1197 * cgraphunit.c (cgraph_assemble_pending_functions): Call
1198 cgraph_output_pending_asms.
1200 2006-01-28 Zack Weinberg <zackw@panix.com>
1202 * c.opt: Add -W(no-)overlength-strings.
1203 * doc/invoke.texi: Document it.
1204 * c-opts.c (c_common_handle_option): -pedantic implies
1205 -Woverlength-strings, if not explicitly disabled already.
1206 (c_common_post_options): -Woverlength-strings defaults to off, and
1207 is always off for C++.
1208 * c-common.c (fix_string_type): Issue warning about strings longer
1209 than is portable only if warn_overlength_strings. Rearrange code
1210 a little for clarity.
1211 * configure.in: Check for -Wno-overlength-strings as well before
1212 enabling -pedantic in stage 1.
1213 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1214 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1216 * genconditions.c (write_header, write_one_condition)
1217 (write_conditions, write_writer): Consolidate very long strings
1218 that were broken up to fit in C89 portable limit. Don't use
1219 printf when fputs will do.
1221 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
1223 * combine.c (simplify_comparison <AND>): Check
1224 TRULY_NOOP_TRUNCATION before start using a subreg.
1226 * config/mips/mips.md (*branch_zero<mode>,
1227 *branch_zero<mode>_inverted, *branch_equality<mode>,
1228 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1229 Remove mode check from comparisons.
1231 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
1233 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1235 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1237 * expmed.c (const_mult_add_overflow_p): Remove.
1238 * expr.h: Remove the prototype for const_mult_add_overflow_p.
1240 * recog.c (validate_replace_rtx_subexp): Remove.
1241 * recog.h: Remove the prototype for
1242 validate_replace_rtx_subexp.
1244 * integrate.h: Remove the prototype for
1245 copy_decl_for_inlining.
1246 * rtl.h: Remove the prototype for mark_constant_function.
1247 * tree-vectorizer.h: Remove the prototype for
1248 vect_strip_conversion.
1250 * modulo-sched.c (create_partial_schedule,
1251 free_partial_schedule, reset_partial_schedule): Make them
1254 * hooks.c (hook_bool_rtx_int_false): Remove.
1255 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1257 2006-01-28 David Edelsohn <edelsohn@gnu.org>
1259 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1260 and -mlong-double-128 are incompatible.
1261 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1262 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1263 (TARGET_LIBGCC2_CFLAGS): Define.
1264 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1265 (TARGET_LIBGCC2_CFLAGS): Same.
1266 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1268 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1271 * c-typeck.c (build_binary_op): Perform implicit casts of
1272 operands before shortening them.
1274 * cfgloopmanip.c (split_loop_bb): Remove.
1275 * cfgloop.h: Remove the prototype for split_loop_bb.
1277 * cfgloop.c (flow_loop_outside_edge_p): Remove.
1278 * cfgloop.h: Remove the prototype for
1279 flow_loop_outside_edge_p.
1281 * emit-rtl.c (init_virtual_regs): Make it static.
1282 * function.h: Remove the prototype for init_virtual_regs.
1284 * recog.c (peephole2_optimize): Make it static.
1285 * recog.h: Remove the prototype for peephole2_optimize.
1287 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1289 * df-scan.c (df_record_entry_block_defs): Check if
1290 INCOMING_RETURN_ADDR_RTX is defined.
1292 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
1293 Kenneth Zadeck <zadeck@naturalbridge.com>
1295 PR rtl-optimization/24762
1296 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1297 * targhooks.c (hook_void_bitmap): New hook prototype.
1298 * targhoohs.h (hook_void_bitmap): Ditto.
1299 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1300 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1301 * target.h (live_on_entry): New function pointer.
1302 * df-scan.c (df_all_hard_regs): Removed.
1303 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1304 (df_scan_free_internal): Added df->entry_block_defs.
1305 (df_scan_alloc): Ditto.
1306 (df_scan_dump): Ditto.
1307 (df_uses_record): Plumbed flag field properly thru calls.
1308 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1309 This part fixes PR24762.
1310 (df_bb_refs_record): Added code to make the frame and arg
1311 pointers live in EH blocks.
1312 (df_refs_record): Added call to df_record_entry_block_defs.
1313 (df_record_entry_block_defs): New function.
1314 * df-core.c: Added comments to describe new artifical defs.
1315 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1316 (entry_block_defs): New field in struct df.
1317 (df_all_hard_regs): Deleted.
1318 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1319 * df-problems.c (df_ru_bb_local_compute_process_def):
1320 Added code to handle artifical defs in the entry to a function.
1321 (df_ru_bb_local_compute): Ditto.
1322 (df_rd_bb_local_compute_process_def): Ditto.
1323 (df_rd_bb_local_compute): Ditto.
1324 (df_lr_bb_local_compute): Ditto.
1325 (df_ur_bb_local_compute): Ditto.
1326 (df_urec_bb_local_compute): Ditto.
1327 (df_chain_create_bb): Ditto.
1328 (df_ur_local_finalize): Removed entry.
1329 (df_urec_init): Ditto.
1330 (df_urec_local_finalize): Ditto.
1331 (df_ri_bb_compute): Added detection of last use of pseudos.
1332 * Makefile.in (df-scan.o): Updated dependencies.
1333 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1334 * config/mips/mips.c (mips_set_live_on_entry): Added.
1335 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1337 * dce.c (marked_insn_p): Added code to handle artifical defs.
1339 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1341 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1343 (_mm_cvtsi128_si64): Likewise.
1344 (_mm_cvtsd_si64): Likewise.
1345 (_mm_cvttsd_si64): Likewise.
1346 (_mm_cvtsi64_sd): Likewise.
1347 (_mm_cvtsi64_si128): Likewise.
1348 * config/i386/mmintrin.h (_m_from_int64): Likewise.
1349 (_mm_cvtsi64_m64): Likewise.
1350 (_m_to_int64): Likewise.
1351 (_mm_cvtm64_si64): Likewise.
1352 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1353 (_mm_cvttss_si64): Likewise.
1354 (_mm_cvtsi64_ss): Likewise.
1355 (_mm_cvtss_f32): Likewise.
1357 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
1359 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1360 for pragma redefine_extname.
1362 2006-01-27 Jakub Jelinek <jakub@redhat.com>
1365 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1366 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1367 -mno-minimal-toc to previous content.
1368 (bispecs): Remove goal.
1369 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1370 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1371 compatibility aliases on powerpc-*-*gnu*.
1372 * config/rs6000/libgcc-ppc-glibc.ver: New file.
1373 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1374 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1375 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1376 (ldblspecs): New goal.
1377 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1378 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1380 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1381 L_sf_to_tf or L_df_to_tf is defined.
1383 2006-01-27 David Edelsohn <edelsohn@gnu.org>
1384 Alan Modra <amodra@bigpond.net.au>
1387 * config/rs6000/linux.h (POWERPC_LINUX): Define.
1388 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1389 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1390 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1391 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1392 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
1393 (rs6000_override_options): Initialize rs6000_ieeequad.
1394 Initialize TFmode format to ibm_extended_format if not
1396 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
1398 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
1399 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
1400 (function_arg_advance): IBM long double passed in two FPRs, not
1402 (function_arg): IBM long double passed in FPRs.
1403 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
1404 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
1405 Only multireg GPR aligned.
1406 (rs6000_init_libfuncs): Enable IBM long double functions if not
1408 (rs6000_generate_compare): Use IBM long double compare if not
1410 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
1411 (TARGET_IEEEQUAD): Define.
1412 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
1413 not TARGET_IEEEQUAD.
1414 * config/rs6000/rs6000.md: Enable TFmode patterns if
1416 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
1417 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1418 and -mlong-double-128 are incompatible.
1419 * doc/invoke.texi (-mabi): Collect options together. Add
1420 ibmlongdouble and ieeelongdouble.
1422 2006-01-27 Richard Sandiford <richard@codesourcery.com>
1424 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
1426 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
1427 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
1428 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
1429 * rtl.h (rtunion_def): Remove rt_ptr.
1431 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
1432 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
1433 * config/i386/winnt.c (i386_pe_mark_dllexport)
1434 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
1436 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
1438 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
1440 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1444 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
1445 pthread_key_delete. From John David Anglin. gthrw-ify
1446 pthread_getunique_np only if it it's not a macro. Delete
1448 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
1449 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
1450 __gthread_objc_condition_signal, __gthread_key_delete): Add
1451 "__attribute__ ((__unused__))" to unused arguments.
1452 (__gthread_recursive_mutex_init_function): Add missing return.
1453 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
1454 gthr-posix95.h: Use macro-based approach for name redirection
1455 on targets missing weakref.
1457 2006-01-26 Zack Weinberg <zackw@panix.com>
1459 * genconditions.c (write_header): In generated code, #ifdef out
1460 all includes and fake declarations, except includes of bconfig.h
1461 and system.h, unless GCC_VERSION >= 3001. Do not include
1462 gensupport.h in any case.
1463 (write_conditions): Generate a definition of struct c_test. Add
1464 a comment to the generated #endif.
1465 (write_one_condition): Escape backslashes in string too.
1466 (write_writer): Generated code must escape backslashes and quote
1467 marks (but not newlines) in the strings it writes.
1468 * Makefile.in (build/gencondmd.o): Update dependencies.
1470 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1473 * Makefile.in (insn-automata.o): Add header file dependencies.
1474 * genautomata.c: Add includes.
1476 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1479 * Makefile.in (insn-automata.o): Add -Wno-error flag.
1481 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1483 * configure.ac: Expect target tools paths to be passed from the toplevel
1484 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
1486 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
1488 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1491 * c.opt (Wpointer-sign): Init to -1.
1492 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
1493 OPT_pedantic, to 0 otherwise.
1494 * doc/invoke.texi: Update.
1496 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1498 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
1499 constants provided by 80387 instructions in the destination mode.
1501 2006-01-26 Richard Guenther <rguenther@suse.de>
1502 Andrew Pinski <pinskia@physics.uc.edu>
1505 partial PR tree-opt/17064
1506 * tree-ssa-structalias.c (intra_create_variable_infos):
1507 Create heap variables for incoming parameters if
1508 flag_argument_noalias > 1.
1509 (find_what_p_points_to): Look through default defs of
1512 2006-01-26 Jeff Law <law@redhat.com>
1515 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
1516 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
1517 within the VR_RANGE, use the VR_RANGE as the result, not the
1519 (adjust_range_with_scev): Reject ranges from SCEV which are out of
1520 bounds for the type.
1522 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
1524 * tree-ssa-alias.c (maybe_create_global_var): Change
1525 subvar walking to an assertion that we don't have subvar'd variables.
1527 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
1530 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1531 Use a new variable, inner. PARM_DECLs are always non-weak.
1533 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
1535 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1538 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
1540 * config/mips/mips.md (*clear_upper32): New combiner pattern.
1542 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
1544 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1545 (smax_insn, smin_insn, smax_0, smin_0): New.
1547 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
1550 * config/cris/cris.c (cris_order_for_addsi3): New function.
1551 * config/cris/cris-protos.h: Prototype it.
1552 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1553 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1554 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1555 (split for "op.S1 [rx=rx+i],ry (swapped)")
1556 (split for "op(s|u).S1 [rx=rx+i],ry")
1557 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1558 Apply cris_order_for_addsi3 when generating addsi3 insns.
1560 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1562 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1563 (TREE_BLOCK): Add call to EXPR_CHECK.
1565 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1568 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1569 * tree-pretty-print.c (dump_omp_clause): Extract from ...
1570 (dump_omp_clauses): ... here.
1571 (dump_generic_node): Handle OMP_CLAUSE.
1572 * tree.c (omp_clause_num_ops): New.
1573 (omp_clause_code_name): New.
1574 (tree_code_size): Handle OMP_CLAUSE.
1575 (tree_size): Likewise.
1576 (make_node): Document handling of OMP_CLAUSE.
1577 (tree_node_structure): Handle OMP_CLAUSE.
1578 (omp_clause_check_failed): New.
1579 (omp_clause_range_check_failed): New.
1580 (omp_clause_operand_check_failed): New.
1581 (build_omp_clause): New.
1582 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1583 * tree.h (enum omp_clause_code): Declare.
1584 (OMP_CLAUSE_SUBCODE_CHECK): Define.
1585 (OMP_CLAUSE_RANGE_CHECK): Define.
1586 (OMP_CLAUSE_ELT_CHECK): Define.
1587 (omp_clause_check_failed): Declare.
1588 (omp_clause_operand_check_failed): Declare.
1589 (omp_clause_range_check_failed): Declare.
1590 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1591 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1592 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1593 (OMP_CLAUSE_LASTPRIVATE): Likewise.
1594 (OMP_CLAUSE_IF_EXPR): Likewise.
1595 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1596 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1597 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
1598 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
1599 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
1600 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
1601 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
1602 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
1603 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
1604 (OMP_CLAUSE_CODE): Define.
1605 (OMP_CLAUSE_SET_CODE): Define.
1606 (OMP_CLAUSE_CODE): Define.
1607 (OMP_CLAUSE_OPERAND): Define.
1608 (struct tree_omp_clause): Declare.
1609 (union tree_node): Add field 'omp_clause'.
1610 * treestruct.def (TS_OMP_CLAUSE): Define.
1611 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
1612 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
1613 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
1614 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
1615 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
1616 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
1617 (OMP_CLAUSE): Define.
1618 * print-tree.c (print_node): Handle OMP_CLAUSE.
1619 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
1620 * c-typeck.c: Likewise.
1621 * gimplify.c: Likewise.
1622 * c-omp.c: Likewise.
1623 * tree-nested.c: Likewise.
1624 * tree-inline.c: Likewise.
1625 * c-parser.c: Likewise.
1626 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
1629 2006-01-25 Roger Sayle <roger@eyesopen.com>
1631 PR rtl-optimization/25703
1632 * combine.c (try_combine): Handle zero_extract and strict_low_part
1633 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
1635 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
1637 * global.c: Fix comment typos.
1639 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
1642 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
1643 Use output_addr_const instead of assemble_name.
1645 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
1647 * Makefile.in (sched-vis.o): Update dependencies.
1648 * haifa-sched.c (sched_finish): Clear current_sched_info.
1649 * cfg.c (dump_bb_info): New, split from dump_flow_info.
1650 (dump_flow_info): Call it.
1651 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
1653 * basic-block.h (dump_bb_info): Declare.
1654 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
1655 option, and apply options only for dump files whose TDF_RTL,
1656 TDF_TREE, or TDF_IPA bits match.
1657 * rtl.h: Declare new functions exported from sched-vis.c.
1658 * sched-vis.c: Enable also if scheduling is not used.
1659 (print_value): Print the mode of registers if not inside scheduling.
1660 (print_insn): Make it work outside the scheduler. Beautify the output
1662 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
1664 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1666 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
1667 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
1668 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
1669 depending on the value of CONSTANT_POOL_ADDRESS_P.
1670 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
1672 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
1673 rather than SYMBOL_REF_DECL.
1674 (rtx_constant_pool): Remove const_rtx_sym_htab.
1675 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
1676 (init_varasm_status): Don't initialize const_rtx_sym_htab.
1677 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
1678 Remove handling of const_rtx_sym_htab.
1679 (find_pool_constant): Delete.
1680 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
1681 rather than find_pool_constant.
1682 (get_pool_constant_for_function): Delete.
1683 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
1685 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
1686 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
1687 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
1688 (SYMBOL_REF_CONSTANT): New macro.
1689 (get_pool_constant_for_function): Delete.
1690 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
1691 rather than SYMBOL_REF_DECL.
1692 (i386_pe_mark_dllimport): Likewise.
1693 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
1694 rather than SYMBOL_REF_DECL.
1695 * config/darwin.c (machopic_indirect_data_reference): Likewise.
1696 (machopic_indirect_call_target): Likewise.
1698 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
1700 * flow.c (delete_noop_moves): Add missing EOL to dump message.
1702 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1704 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
1706 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
1708 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
1710 2006-01-24 David Daney <ddaney@avtrex.com>
1713 * configure.ac (enable_tls): New enable option.
1714 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
1715 * configure: Regenerate.
1716 * doc/install.texi (--enable-tls): Document new option.
1717 (--disable-tls): Ditto.
1719 2006-01-24 Richard Henderson <rth@redehat.com>
1721 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
1722 * alias.c (true_dependence): Respect it.
1723 (canon_true_dependence, write_dependence_p): Likewise.
1724 * builtins.c (get_builtin_sync_mem): Set it.
1726 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
1728 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
1731 2006-01-24 DJ Delorie <dj@redhat.com>
1733 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
1734 for storing constants in single-bit bitfields.
1736 2006-01-25 Ben Elliston <bje@au.ibm.com>
1738 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
1740 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
1743 * tree-ssa-pre.c (phi_translate): Return NULL
1744 for AGGREGATE_TYPE's.
1746 2006-01-24 Zack Weinberg <zackw@panix.com>
1748 * genautomata.c (process_state_for_insn_equiv_partition):
1749 Use xcalloc for insn_arcs_array.
1750 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
1751 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
1753 2006-01-24 Richard Henderson <rth@redhat.com>
1755 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
1758 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
1760 PR rtl-optimization/25890
1761 PR rtl-optimization/25905
1762 * combine.c (expand_compound_operation, expand_field_assignment):
1763 Fail if the bitfield's final position is out of bounds.
1765 2006-01-24 Ian Lance Taylor <ian@airs.com>
1768 * cgraphunit.c (cgraph_output_in_order): Don't clear
1769 cgraph_asm_nodes until after asm strings have been output.
1771 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
1773 * fix-header.c (read_scan_file): Add new parameter imultilib when
1774 calling register_include_chains.
1776 2006-01-23 Diego Novillo <dnovillo@redhat.com>
1778 * omp-low.c: Update documentation.
1780 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1781 Daniel Berlin <dberlin@dberlin.org>
1785 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
1786 return from the function.
1788 2006-01-22 Zack Weinberg <zackw@panix.com>
1790 * rtl.def (match_code): Add second argument.
1791 * genpreds.c (write_extract_subexp): New function.
1792 (write_match_code): Add path argument. Use write_extract_subexp.
1793 (write_predicate_expr): Pass path to write_match_code.
1794 (mark_mode_tests): MATCH_CODE applied to a subexpression does
1795 not perform a mode test.
1796 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
1797 a subexpression does not constrain the top-level code set.
1798 * read-rtl.c (read_rtx_variadic): New function.
1799 (read_rtx_1): Use it; allow AND and IOR to be variadic.
1800 * doc/md.texi: Document new notation.
1801 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
1802 (cmpsi_operand): ... here, using new notation.
1804 2006-01-22 Zack Weinberg <zackw@panix.com>
1806 * varray.c: Remove GENERATOR_FILE #ifdefs.
1808 2006-01-22 Zack Weinberg <zackw@panix.com>
1810 * genautomata.c (output_reserved_units_table): Emit nothing if
1811 description->query_units_num is zero. Remove extra blank line.
1812 (output_cpu_unit_reservation_p): Short circuit
1813 if description->query_units_num is zero.
1815 2006-01-22 Zack Weinberg <zackw@panix.com>
1817 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
1818 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
1819 nor any of the random handful of variables that used to be necessary
1820 when this program was linked with rtlanal.o. Prune set of forward
1821 function declarations.
1822 (struct attr_desc): Remove static_p field.
1823 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
1824 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
1825 (attr_string): Do not read the character one past the length of
1827 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
1828 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
1829 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
1830 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
1831 (make_automaton_attrs): New.
1832 (main): Do not call into genautomata. Call local gen_bypass
1833 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
1834 Remove special case for insn_alts.
1835 * genautomata.c: Include gensupport.h; not genattrtab.h nor
1836 varray.h (leftover from previous change). Prune set of forward
1837 function declarations. Remove state_alts fields from all
1838 structures. Remove state_alts_table from struct automaton.
1839 Make everything except main static. Do not maintain num_dfa_decls.
1840 Do not maintain state_alts fields of various structures.
1841 (process_decls): Don't validate condexp for dm_insn_reserv decls.
1842 (add_arc): Remove state_alts argument. All callers updated.
1843 (output_reserved_units_table): Emit #ifdef here...
1844 (output_tables): ...not here. Don't generate state_alts tables.
1845 (expand_automata): Don't generate attributes.
1846 (write_automata): Don't generate state_alts functions.
1847 (main): New function.
1848 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1849 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1850 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1851 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1852 (BYPASS_P_FUNC_NAME, output_state_alts_table)
1853 (output_automata_list_state_alts_code, output_internal_state_alts_func)
1854 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1855 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1857 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1858 * genattrtab.h: Delete file.
1859 * Makefile.in (OBJS-common): Add insn-automata.o.
1860 (insn-automata.o): New rule.
1861 (simple_generated_c): Add insn-automata.c.
1862 (build/genattrtab.o, build/genautomata.o): Update dependencies.
1863 (genprogmd): Add automata.
1864 (build/genattrtab): Needs no extra objects nor libraries.
1865 (build/genautomata): Needs build/vec.o and -lm.
1867 2006-01-22 Zack Weinberg <zackw@panix.com>
1869 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1870 (output_dfa_max_issue_rate, locked_states_num): Delete.
1871 (struct automaton): Add locked_states field.
1872 (output_dead_lock_vect): Save number of locked states in
1873 automaton->locked_states. If it is zero, don't print anything.
1874 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1875 (output_internal_dead_lock_func): Only test the dead_lock_vect
1876 for automata that have locked states.
1877 (output_statistics): Always print the number of locked states for
1878 each automaton. Calculate total number of locked states here.
1879 (write_automata): Don't call output_dfa_max_issue_rate.
1880 * genattrtab.c: Define length_unit_log as a const variable.
1881 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
1882 max_insn_queue_index const.
1883 * final.c (length_unit_log): Declare const.
1884 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1886 2006-01-22 Zack Weinberg <zackw@panix.com>
1888 * genautomata.c: Include vec.h, not varray.h.
1889 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1890 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
1891 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
1892 VEC_* macros operating on appropriately typed vectors, or to
1893 malloced arrays when the size is known in advance. Const-ify
1894 many char* variables and function arguments. No functional changes.
1895 * Makefile.in (build/varray.o): Delete rule.
1896 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1897 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1899 2006-01-22 Zack Weinberg <zackw@panix.com>
1901 * gensupport.c: Define get_insn_name and record_insn_name here.
1902 (read_md_rtx): Call record_insn_name as appropriate.
1903 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1904 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1905 * genpreds.c, genrecog.c: Don't define get_insn_name nor
1907 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1908 (BUILD_VARRAY): Delete.
1909 (genprognormal): Rename genprogmd. Fold in all programs from
1910 genprognoprint; also attrtab.
1911 (build/genattrtab): Just mention genautomata.o and varray.o.
1912 Reorganize a bit, add comments to make the categories clearer.
1914 2006-01-22 Zack Weinberg <zackw@panix.com>
1916 * genconditions.c (condition_table, add_condition): Delete.
1917 (write_conditions): Don't emit n_insn_conditions nor
1918 insn_elision_unavailable. Issue the gcc version #ifdef here,
1919 inside the table, with no #else clause ...
1920 (write_header): ...not here.
1921 (write_writer): New function.
1922 (main): Don't initialize condition_table. Use add_c_test.
1924 * gensupport.c (init_md_reader_args_cb): Handle multiple input
1925 files on the command line.
1926 (maybe_eval_c_test): Don't check insn_elision_unavailable.
1927 Return -1 if there is no entry in the table, don't abort.
1928 (add_c_test, traverse_c_tests): New functions.
1929 * gensupport.h (insn_elision_unavailable, insn_conditions)
1930 (n_insn_conditions): Delete declarations.
1931 (add_c_test, traverse_c_tests): Declare.
1932 * read-rtl.c: Include gensupport.h.
1933 (read_conditions): New function.
1934 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1935 (read_rtx_1): If we get EOF when we were looking for an initial
1936 open paren, return 0. Call read_conditions when appropriate.
1937 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1938 dummy-conditions.o. Eliminate references to insn-conditions.o,
1939 or change them to build/gencondmd.o, as appropriate. Remove
1940 insn-constants.h from $(simple_generated_h) and insn-conditions.c
1941 from $(simple_generated_c). For all files remaining in those
1942 two lists, add insn-conditions.md to the generator command line.
1943 Give insn-constants.h/s-constants their own rules. Add rules
1944 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1945 (build/read-rtl.o): Depend on gensupport.h.
1946 (genprognormal): Include preds.
1947 (genprogearly): Rename genprognoprint; only difference is now that
1948 they don't link with $(BUILD_PRINT).
1949 * dummy-conditions.c: Delete.
1951 2006-01-22 Zack Weinberg <zackw@panix.com>
1953 * genextract.c: Don't include insn-config.h. Do include vec.h.
1954 Declare vectors of int, char, and locstr.
1955 (locstr): New typedef.
1956 (struct extraction): Make all array fields into bare pointers.
1957 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1958 (insn_code_number): Delete.
1959 (accum_extract): New struct.
1960 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1961 (gen_insn): Take insn_code_number as an argument. Use an
1962 accum_extract structure instead of loading data directly into
1963 a struct extraction, and having to know how big it might get.
1964 (walk_rtx): Operate entirely on an accum_extract structure.
1965 (print_path): Avoid unnecessary use of printf.
1966 (print_header): New function, split out of main. Distinguish
1967 more carefully between an unrecognizable insn and an insn that
1968 has the code number of a define_expand.
1969 (main): Pass insn_code_number to gen_insn. Call print_header
1970 only after parsing. Avoid unnecessary use of printf.
1971 * Makefile.in (build/vec.o): New rule.
1972 (build/genextract): Depend on build/vec.o.
1973 (build/genextract.o): Don't depend on insn-config.h.
1975 2006-01-22 Zack Weinberg <zackw@panix.com>
1977 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
1978 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
1979 practical. Eliminate per-generator-program link rules.
1981 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1984 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1985 with a call expr to ...
1986 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1988 2006-01-23 Richard Guenther <rguenther@suse.de>
1990 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
1991 before make_edge with conditional EDGE_TRUE_VALUE.
1993 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
1994 Jan Hubicka <jh@suse.cz>
1995 Richard Guenther <rguenther@suse.de>
1997 PR rtl-optimization/25654
1998 * cfgexpand.c (aggregate_contains_union_type): New function.
1999 (add_alias_set_conflicts): Call it. Make sure to add conflicts
2000 for structure variables that contain a union type.
2002 2006-01-23 Richard Sandiford <richard@codesourcery.com>
2004 * gengtype.c (new_structure): Return the structure.
2005 (create_option): Add an extra "next" argument.
2006 (create_field): New function.
2007 (adjust_field_rtx_def): Use create_option and create_field.
2008 Remove a now-unnecessary call to find_structure.
2009 (adjust_field_tree_def): Likewise.
2010 (note_yacc_type): Remove an unnecessary call to find_structure.
2011 * gengtype.h (new_structure): Return the structure.
2012 (create_option): Add an extra argument.
2013 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2014 (option): Adjust calls to create_option.
2016 2006-01-22 David Edelsohn <edelsohn@gnu.org>
2018 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2020 2006-01-22 Paul Brook <paul@codesourcery.com>
2021 Peter Barada <peter@the-baradas.com>
2023 * config/m68k/m68k.md: Add Coldfire FPU support.
2024 Define FP mode macro and associated attributes.
2025 Use it for float mode patterns.
2026 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2027 (LIBCALL_VALUE): Use m68k_libcall_value.
2028 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2029 (m68k_function_value): Ditto.
2030 (emit_move_sequence): Ditto.
2031 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2032 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2033 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2034 (MULTILIB_EXCEPTIONS): Ditto.
2035 * config/m68k/m68k.opt: Add mcfv4e.
2036 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2037 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2038 (m68k_output_function_prologue): Save ColdFire FPU registers.
2039 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2040 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2041 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2042 ColdFire FPU registers.
2043 (m68k_libcall_value, m68k_function_value): New functions.
2044 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2045 (LIBCALL_VALUE): Use m68k_libcall_value.
2046 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2047 (MASK_COLDFIRE): Add MASK_CFV4E.
2048 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2049 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2050 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2051 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2052 (GO_IF_LEGITIMATE_ADDRESS): Use it.
2053 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2054 * doc/invoke.tex: Document -mcfv4e on m68k.
2056 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2058 * doc/contribute.texi: Change CVS to SVN and update the corresponding
2061 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
2064 * c-opts.c (c_common_handle_option): Don't include
2065 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2066 * doc/invoke.texi (C++ Dialect Options): Document that
2067 -Wnon-virtual-dtor is no longer included in -Wall.
2069 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
2071 * gcov.c (print_version), gcov-dump.c (print_version),
2072 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2075 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
2077 * df-scan.c (problem_SCAN): Added NULL reset function.
2078 (df_scan_reset_blocks): Added code to call reset block function
2079 (df_bb_refs_delete) Fixed comment.
2080 (df_insn_refs_delete): Made tolerant of deleting non existent info
2081 for dataflow problems that need to be reset.
2082 * df-core.c (df_set_blocks): Ditto.
2083 * df.h (struct df_problem): Added reset_fun.
2084 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2085 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2086 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2087 functions to clear out all references to def-use or use-def chains.
2089 2006-01-21 Ben Elliston <bje@au.ibm.com>
2091 * varasm.c (assemble_real): Initialise data array.
2093 2006-01-20 Paul Brook <paul@codesourcery.com>
2095 Merge from csl-arm-branch.
2096 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2097 * config/arm/arm.md (movdi): Force operands[1] to a register
2098 if we have a non-register source.
2099 (*arm_movdi, *movdf_soft_insn): Require that one of the
2100 operands be a register.
2101 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2102 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2104 2006-01-20 DJ Delorie <dj@redhat.com>
2106 * varasm.c (initialize_constant_valid_p): Allow pointers
2107 initialized from integer constants of lesser precision.
2108 (output_constant): Allow non-int-sized pointer modes to be
2109 initialized from integer constants.
2111 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
2114 * cppdefault.h (struct default_include): Add multilib flag.
2115 * cppdefault.c (cpp_include_defaults): Set it.
2116 * c.opt (-imultilib): New option.
2117 * c-opts.c (imultilib): New.
2118 (c_common_handle_option): Handle -imultilib.
2119 (c_common_post_options): Likewise.
2120 * c-incpath.c (add_standard_paths, register_include_chains):
2122 * c-incpath.h (register_include_chains): Add extra parameter.
2123 * gcc.c (do_spec_1): Generate -imultilib option.
2124 (The Specs Language): Update %I description.
2125 (process_command): Update copyright notice.
2126 * doc/cppopts.texi (-imultilib): Document.
2127 * doc/invoke.texi (-imultilib): Include in option summary.
2128 (%I): Update specs documentation.
2130 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2132 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2134 2006-01-20 Richard Sandiford <richard@codesourcery.com>
2136 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2139 2006-01-20 Richard Guenther <rguenther@suse.de>
2140 Steven Bosscher <stevenb.gcc@gmail.com>
2142 PR rtl-optimization/24626
2143 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2144 EDGE_TRUE_VALUE if in RTL mode.
2147 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2148 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2150 2006-01-20 Dirk Mueller <dmueller@suse.com>
2153 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2154 instead of a special NOP marker.
2155 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2156 NOP marker handling.
2157 * c-common.h (empty_body_warning): Add forward declaration.
2158 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2159 Now uses IS_EMPTY_STMT() instead of special NOP markers.
2161 2006-01-20 Paul Brook <paul@codesourcery.com>
2163 * Makefile.in (lang_checks): Keep going if mkdir fails.
2165 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2167 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2168 be able to clean out basic block when not necessary.
2169 (df_scan_free): Fixed to properly delete information if df is
2170 unused before calling df_finish.
2171 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2172 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2174 (df_bb_refs_delete): New function.
2175 (df_refs_delete): Moved per block code to df_bb_refs_delete.
2176 * df-core.c (df_set_blocks): Added code to properly clean out
2177 unused blocks if they are not part of the blocks to consider.
2178 Added additional null check.
2179 (df_compact_blocks): Added basic block parameter to free_bb_fun to
2180 be able to clean out basic block when not necessary
2181 * df.h (df_free_bb_function): Ditto.
2182 (df_bb_refs_delete): New function.
2183 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2184 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2185 basic block parameter to be able to clean out basic block when not
2187 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2188 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2189 Fixed to properly delete information if df is unused before
2192 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2194 PR rtl-optimization/25799
2195 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2196 Corrected confluence operator to remove bits from op2 before oring
2197 with op1 rather than removing bits from op1.
2198 (df_ru_transfer_function): Corrected test on wrong bitmap which
2199 caused infinite loop. Both of these problems were introduced in
2200 the dataflow rewrite.
2202 2006-01-19 DJ Delorie <dj@redhat.com>
2204 * reload1.c (find_reload_regs): Note the details of reload
2205 failures in the dump file.
2206 (spill_failure): Likewise.
2208 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2210 * loop-iv.c: Include df.h and hashtab.h.
2211 (enum iv_grd_result): New enum.
2212 (DF_REF_IV, DF_REF_IV_SET): New macros.
2213 (struct biv_entry): New.
2214 (df, bivs): New global variables.
2215 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2216 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2218 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2219 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2220 analyzed_for_bivness_p, record_biv): New functions.
2221 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2222 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2223 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2225 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2227 (iv_number_of_iterations): Use new interface to iv analysis.
2228 * loop-unroll.c: Do not include varray.h.
2229 (analyze_iv_to_split_insn): Use new interface to iv
2231 * loop-unswitch.c (may_unswitch_on): Ditto.
2232 * df.c (df_bitmaps_free): Only work for bbs for that structures are
2234 (df_bb_modify): Realloc tables to the new index.
2235 (df_find_use): New function.
2236 * df.h (df_find_use): Declare.
2237 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2239 * cfgloop.h (struct rtx_iv): Remove analysed field.
2240 (iv_get_reaching_def): Removed.
2241 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2242 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2243 (loop-iv.o): Add df.h and hashtab.h dependency.
2244 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2246 2006-01-20 Alan Modra <amodra@bigpond.net.au>
2249 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2251 (__floatundisf, __floatundidf): Likewise.
2252 * libgcc2.h (IS_IBM_EXTENDED): Define.
2254 2006-01-19 DJ Delorie <dj@redhat.com>
2256 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2258 2006-01-19 Paul Brook <paul@codesourcery.com>
2260 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2261 as nothrow when unwinding tables are disabled.
2263 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2266 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2267 of bit-field" when in system header.
2269 2006-01-19 DJ Delorie <dj@redhat.com>
2271 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2272 the 16 bit shift limit of the m16c.
2274 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
2277 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2278 * config/i386/i386.c (output_set_got): Output the label if we have one
2279 for the TARGET_DEEP_BRANCH_PREDICTION case.
2281 2006-01-19 Jan Hubicka <jh@suse.cz>
2282 H.J. Lu <hongjiu.lu@intel.com>
2283 Evandro Menezes <evandro.menezes@amd.com>
2285 * invoke.texi (generic): Document
2287 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2288 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2289 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2290 (x86_use_incdec, x86_pad_returns): New variables
2291 (TARGET_CPU_DEFAULT_generic): New constant
2292 (TARGET_CPU_DEFAULT_NAMES): Add generic.
2293 (enum processor_type): Add generic32 and generic64.
2294 * i386.md (cpu attribute): Add generic32/generic64
2295 (movhi splitter): Behave sanely when both partial_reg_dependency and
2296 partial_reg_stall are set.
2297 (K8 splitters): Enable for generic as well.
2298 * predicates.md (incdec_operand): Use TARGET_INCDEC
2299 (aligned_operand): Avoid memory mismatch stalls.
2300 * athlon.md: Enable for generic64, new patterns for 128bit moves.
2301 * ppro.md: Enable for generic32
2302 * i386.c (generic64_cost, generic32_cost): New.
2303 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2304 (x86_use_leave): Enable for generic64. (x86_use_sahf,
2305 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
2306 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2307 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2308 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2309 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2310 x86_accumulate_outgoing_args, x86_prologue_using_move,
2311 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2312 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2314 (x86_use_incdec, x86_pad_returns): New.
2315 (override_options): Add generic32 and generic64, translate "generic"
2316 to generic32/generic64 and "i686" to "generic32", refuse
2317 "generic32"/"generic64" as arch target.
2318 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2319 (ix86_reorg): Honor PAD_RETURNS.
2321 2006-01-19 Diego Novillo <dnovillo@redhat.com>
2323 * tree-pretty-print.c (dump_generic_node): Handle
2324 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2325 * cgraph.c (cgraph_expand_queue): Rename from
2326 cgraph_analyze_queue. Update all users.
2327 * cgraphunit.c (cgraph_assemble_pending_functions): Process
2328 cgraph_expand_queue.
2329 (cgraph_expand_all_functions): Likewise.
2330 (cgraph_finalize_pending_functions): Remove. Update callers.
2332 * tree.h (OMP_DIRECTIVE_P): Define.
2333 (OMP_PARALLEL_FN): Define.
2334 (OMP_PARALLEL_DATA_ARG): Define.
2335 (OMP_SECTIONS_SECTIONS): Define.
2336 * tree-pass.h (pass_expand_omp): Declare.
2337 * omp-low.c (struct omp_region): Declare.
2338 (struct omp_context): Remove fields 'parallel_type',
2339 'parallel_start_ix' and 'parallel_start_additional_args'.
2341 (struct omp_for_data): Rename from struct expand_omp_for_data.
2342 (omp_regions): New static variable.
2343 (root_omp_region): New static variable.
2344 (find_omp_clause): Make static.
2345 (is_in_combined_parallel_ctx): Remove.
2346 (is_combined_parallel): New.
2347 (extract_omp_for_data): Move earlier in the file.
2348 (workshare_safe_to_combine_p): New.
2349 (get_ws_args_for): New.
2350 (determine_parallel_type): Move earlier in the file.
2351 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2353 (omp_copy_decl): Likewise.
2354 (create_omp_child_function): Likewise.
2355 (lookup_omp_region): New.
2356 (dump_omp_region): New.
2357 (debug_omp_region): New.
2358 (debug_all_omp_regions): New.
2359 (new_omp_region): New.
2360 (scan_omp_parallel): If parallel_nesting_level > 1, the
2361 directive is nested within another parallel directive.
2362 Set OMP_PARALLEL_FN.
2363 (scan_omp_for): Do not try to handle combined parallel+for
2365 Remove FIXME comment.
2366 (scan_omp_nested): Remove.
2367 (scan_omp_1): Do not call scan_omp_nested when
2368 parallel_nesting_level is > 1.
2369 Do not change the DECL_CONTEXT of local variables found.
2370 (lookup_decl_in_outer_ctx): New.
2371 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2372 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2373 (lower_reduction_clauses): Rename from expand_reduction_clauses.
2374 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2375 If CTX is nested, lookup VAR in the outer context when
2376 building copy assignment.
2377 (lower_send_clauses): Rename from expand_send_clauses.
2378 If CTX is nested, lookup VAR in the outer context when
2379 building copy assignments.
2380 (lower_send_shared_vars): Rename from expand_send_shared_vars.
2381 If CTX is nested, lookup VAR in the outer context when
2382 building copy assignments.
2383 (expand_parallel_call): Rename from build_parallel_call.
2384 Handle combined parallel+workshare cases.
2385 Re-implement to emit code into the CFG.
2387 (expand_omp_parallel): Re-implement to emit code into the CFG.
2388 Call move_sese_region_to_fn to outline the sub-graph
2389 containing the parallel region.
2390 (expand_omp_for_1): Remove.
2391 (expand_omp_for_generic): Re-implement to emit code into the
2393 (expand_omp_for_static_nochunk): Likewise.
2394 (expand_omp_for_static_chunk): Likewise.
2395 (expand_omp_for): Likewise.
2396 (expand_omp_sections): Likewise.
2397 (remove_exit_barriers): New.
2398 (expand_omp_synch): New.
2400 (build_omp_regions_1): New.
2401 (build_omp_regions): New.
2402 (execute_expand_omp): New.
2403 (gate_expand_omp): New.
2404 (pass_expand_omp): Define.
2405 (lower_omp_sections): Rename from expand_omp_sections.
2406 Set OMP_SECTIONS_SECTIONS.
2407 (lower_omp_single_simple): Rename from expand_omp_single_simple.
2408 (lower_omp_single_copy): Rename from expand_omp_single_copy.
2409 (lower_omp_single): Rename from expand_omp_simple.
2410 (lower_omp_master): Rename from expand_omp_master.
2411 (lower_omp_ordered): Rename from expand_omp_ordered.
2412 (lower_omp_critical): Rename from expand_omp_critical.
2413 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
2414 (lower_omp_for): Re-implement.
2415 (lower_omp_parallel): Re-implement.
2416 (lower_regimplify): Rename from expand_regimplify.
2417 (lower_omp_1): Rename from expand_omp_1.
2418 If there are syntax errors in the program, replace every
2419 OpenMP directive with NOP.
2420 Call lower_omp_* instead of expand_omp_*.
2421 (lower_omp): Rename from expand_omp.
2423 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
2424 * tree-gimple.h (enum omp_parallel_type): Remove.
2425 (gimple_boolify): Declare extern.
2426 (find_omp_clause, determine_parallel_type): Remove.
2428 * gimple-low.c (lower_omp_directive): New.
2429 (lower_stmt): Call it.
2430 (record_vars_into): Move from ...
2431 (record_vars): ... here.
2432 Call record_vars_into with current_function_decl.
2434 * gimplify.c (struct gimplify_ctx): Remove fields
2435 combined_pre_p and combined_ctxp. Update users.
2436 (get_formal_tmp_var): Add documentation.
2437 (gimple_boolify): Make extern.
2438 (gimplify_expr_in_ctx): Remove. Update callers.
2439 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
2440 will always be a BIND_EXPR.
2441 (gimplify_expr): Handle OMP_RETURN_EXPR.
2442 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
2443 (OMP_PARALLEL): Add 3 operands.
2444 (OMP_SECTIONS): Add 1 operand.
2445 (OMP_RETURN_EXPR): Define.
2447 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
2448 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
2449 * tree-iterator.c (alloc_stmt_list): Assert that we are not
2450 creating a circular free list.
2451 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
2453 * tree-flow.h (move_sese_region_to_fn): Declare.
2454 (record_vars_into): Declare.
2455 * tree-cfg.c (make_omp_sections_edges): New.
2456 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
2457 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
2458 OMP_SECTIONS and OMP_SECTION.
2459 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
2460 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
2461 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
2462 (gather_blocks_in_sese_region): New.
2463 (struct move_stmt_d): Declare.
2465 (move_block_to_fn): New.
2466 (move_sese_region_to_fn): New.
2468 * passes.c (init_optimization_passes): Schedule
2469 pass_expand_omp after pass_init_datastructures.
2471 * tree-ssa-operands.c (get_expr_operands): Handle
2472 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
2473 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
2475 2006-01-19 Jeff Law <law@redhat.com>
2477 * tree-vrp.c (extract_range_from_assert): Refine the result range
2478 if the variable referenced by the ASSERT_EXPR has a range and
2479 either the tentative result range or the previous range is a
2482 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2484 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2486 2006-01-19 Jan Hubicka <jh@suse.cz>
2488 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
2490 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
2492 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
2493 (expand_compound_operation, expand_field_assignment): Fail if the
2494 bit lengths of an extract operation are out of range.
2495 (make_extraction): Compute wanted_inner_mode based on the position
2496 and length of the extraction. Make it extraction_mode for non-constant
2497 positions, and do not modify offset in that case. When generating a
2498 new MEM, use a mode that can hold the extraction while keeping correct
2499 alignment. Remove code that supported MEMs wrapped by USEs.
2500 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
2502 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
2504 * config/s390/s390.md ("Y", "y"): New mode attribute.
2505 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2506 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
2507 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
2508 "*addsi3_imm_cc", "*addsi3_carry1_cc",
2509 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
2510 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
2511 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
2512 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
2513 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
2514 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
2515 "addsi3", "subsi3"): Insn patterns removed.
2516 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
2517 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
2518 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
2519 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
2520 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
2521 "*sub<mode>3_cconly2"): New insn patterns.
2522 ("addsi3", "subsi3"): New expanders.
2524 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
2526 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
2527 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
2528 existing STMT_VINFO_VECTYPE if available.
2529 (vect_mark_relevant): Add special handling for stmts that are
2530 marked as STMT_VINFO_IN_PATTERN_P.
2531 (vect_analyze_loop): Call vect_pattern_recog.
2532 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2533 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2535 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2536 (vect_recog_func_ptr): New function-pointer type.
2537 * tree-vect-patterns.c: New file.
2538 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2539 (vect_recog_dot_prod_pattern, vect_pattern_recog):
2540 (vect_pattern_recog_1): New functions.
2541 (vect_pattern_recog_funcs): New array of function pointers.
2543 * tree-vectorizer.h (ternary_op): New enum value.
2544 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2545 declaration. Revised documentation. Removed redundant dump prints.
2546 Removed redundant argument. Added support for reduction patterns.
2547 (vectorizable_reduction): Added support for reduction patterns.
2548 (vect_transform_stmt): Added support for patterns.
2550 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2551 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2552 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2553 (expand_widen_pattern_expr): New function.
2554 (init_optabs): Initialize new optabs udot_prod_optab,
2556 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2557 (sdot_prod_optab, udot_prod_optab): Define new optabs.
2558 (expand_widen_pattern_expr): New function declaration.
2559 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2561 * tree-inline.c (estimate_num_insns_1): Added cases for new
2562 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2563 * tree-pretty-print.c (dump_generic_node): Likewise.
2564 (op_prio): Likewise.
2565 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2566 * tree-ssa-operands.c (get_expr_operands): Added case for
2568 * tree-vect-patterns.c (widened_name_p): New function.
2569 (vect_recog_dot_prod_pattern): Added function implementation.
2570 * tree-vect-transform.c (get_initial_def_for_reduction): Added
2571 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2572 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2573 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2575 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2576 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2577 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2578 (init_optabs): Initialize new optabs widen_ssum_optab,
2580 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2581 (widen_ssum_optab, widen_usum_optab): Define new optabs.
2582 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2583 use instead of type of def.
2584 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2585 function implementation.
2586 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2587 widen_ssumv8hi): New.
2589 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2592 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2595 * c-decl.c (add_flexible_array_elts_to_size): New function.
2596 (finish_decl): Use it.
2598 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
2600 * diagnostic.h: Include options.h.
2601 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
2602 dependancies for diagnostic.h.
2603 * Makefile.in (DIAGNOSTIC_H): Add options.h.
2605 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
2607 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
2608 (ssa_ro_call_cache_valid): Ditto.
2609 * tree-ssa-alias.c (sort_tags_by_id): New function.
2610 (init_transitive_clobber_worklist): Ditto.
2611 (add_to_worklist): Ditto.
2612 (mark_aliases_call_clobbered): Ditto.
2613 (compute_tag_properties): Ditto.
2614 (set_initial_properties): Ditto.
2615 (compute_call_clobbered): Ditto.
2616 (compute_may_aliases): Call compute_call_clobbered and grouping.
2617 (compute_flow_sensitive_aliasing): Remove clobbering related code.
2618 (compute_flow_insensitive_aliasing): Grouping now happens in our
2620 (setup_pointers_and_addressables): Remove clobbering related code.
2621 (add_may_alias): Ditto.
2622 (replace_may_alias): Ditto.
2623 (get_nmt_for): Ditto.
2624 (create_global_var):
2625 (is_escape_site): Return an escape_type enumeration.
2626 * tree-flow-inline.h (is_call_clobbered): Global var does not
2627 imply call clobbered.
2628 (mark_call_clobbered): Take a reason for marking this. Remove
2629 marking of globalness, and cache invalidation.
2630 (clear_call_clobbered): Remove cache invalidation code.
2631 * tree-dfa.c (dump_variable): If details is on, dump the reason
2633 * tree-outof-ssa.c (create_temp): Copy escape mask from original
2635 * tree-flow.h (struct ptr_info_def): Add escape mask member.
2636 (struct var_ann_d): Ditto.
2637 (enum escape_type): New.
2638 (mark_call_clobbered): Adjust prototype.
2639 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
2640 are never call clobbered.
2641 Record reasons for escaping.
2642 * tree-ssa-structalias.h (is_escape_site): Update prototype.
2643 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
2644 (ssa_ro_call_cache_valid): Ditto.
2645 (clobbered_v_may_defs): Ditto.
2646 (clobbered_vuses): Ditto.
2647 (ro_call_vuses): Ditto.
2648 (clobber_stats): New.
2649 (init_ssa_operands): Zero out clobber stats.
2650 (fini_ssa_operands): Print out clobber stats.
2651 (get_call_expr_operands): Pass callee fndecl to
2653 (add_call_clobber_ops): Remove use of cache.
2654 Add use of PURE_CONST information.
2655 (add_call_read_ops): Remove use of cache.
2656 Add use of static not_read information.
2658 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
2660 Introduce TLS descriptors for i386 and x86_64.
2661 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
2662 (TARGET_ANY_GNU_TLS): New macro.
2663 (enum tls_dialect): Added TLS_DIALECT_GNU2.
2664 (struct machine_function): Add tls_descriptor_call_expanded_p.
2665 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
2666 (ix86_current_function_calls_tls_descriptor): Likewise.
2667 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
2668 (override_options): Introduce gnu2 tls dialect.
2669 (ix86_frame_pointer_required): Functions containing TLSCALLs are
2671 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
2673 (legitimize_tls_address): Adjust logic for GNU2 TLS.
2674 (ix86_init_machine_status): Initialize new field.
2675 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
2676 (ix86_tls_module_base): New.
2677 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
2678 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
2679 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
2680 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
2681 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
2682 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
2683 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
2684 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
2685 * config/i386/predicates.md (tls_modbase_operand): New.
2686 (tp_or_register_operand): New.
2688 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
2690 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
2691 (look_for_address_of): Ditto.
2692 (ipa_init): Walk the function decls.
2693 (static_execute): Don't set readonly on FUNCTION_DECL's.
2695 2006-01-18 Roger Sayle <roger@eyesopen.com>
2697 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
2698 for shifts where the source and destination registers are different.
2700 2006-01-18 Paul Brook <paul@codesourcery.com>
2702 Merge from csl-arm-branch.
2703 2005-03-14 Julian Brown <julian@codesourcery.com>
2704 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
2705 (aeabi_llsl): Likewise.
2706 (ashrdi3): Likewise.
2707 (aeabi_lasr): Likewise.
2708 (lshrdi3): Likewise.
2709 (aeabi_llsr): Likewise.
2710 2005-03-10 Julian Brown <julian@codesourcery.com>
2711 * config.gcc: Disable shared libgcc for SymbianOS.
2712 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
2714 2006-01-18 DJ Delorie <dj@redhat.com>
2716 * c-pragma.c (handle_pragma_diagnostic): New.
2717 (init_pragma): Register it.
2718 * doc/extend.texi: Document it.
2720 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
2721 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
2722 (diagnostic_context): Add classify_diagnostic[].
2723 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
2724 as errors if they're overridden to DK_WARNING.
2725 (diagnostic_initialize): Initialize classify_diagnostic[].
2726 (diagnostic_set_kind_override): New.
2727 (diagnostic_report_diagnostic): Check for kind changes.
2728 * opts.c (common_handle_option): Take lang_mask. Update callers.
2730 * common.opt (Werror=): New.
2731 * doc/invoke.texi: Document -Werror=*
2733 2006-01-18 Jeff Law <law@redhat.com>
2735 * tree-vrp.c (test_for_singularity): Correct test for new
2736 min limit. Use operand_equal_p rather than pointer equality
2737 for testing if new min/max values are equal.
2739 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
2740 using range information until after propagation and folding.
2742 2006-01-18 Richard Henderson <rth@redhat.com>
2743 Aldy Hernandez <aldyh@redhat.com>
2744 Jakub Jelinek <jakub@redhat.com>
2745 Diego Novillo <dnovillo@redhat.com>
2747 * omp-low.c: New file.
2748 * c-omp.c: New file.
2750 2006-01-18 Richard Henderson <rth@redhat.com>
2751 Jakub Jelinek <jakub@redhat.com>
2752 Diego Novillo <dnovillo@redhat.com>
2754 * doc/invoke.texi: Document -fopenmp.
2755 * tree-dump.h (debug_function): Declare.
2756 * hooks.c (hook_bool_tree_bool_false): New function.
2757 (hook_tree_tree_null): Remove.
2758 (hook_tree_tree_tree_null): New.
2759 * hooks.h: Update to match.
2760 * tree-pretty-print.c (debug_tree_chain): New.
2761 (print_generic_expr): Handle TDF_CHAIN.
2762 (dump_generic_node): Handle BLOCK.
2763 Do not abort with incomplete SWITCH_EXPRs.
2764 Do not dump body of an OpenMP directive if TDF_SLIM is given.
2765 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
2766 print space after directive name.
2767 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
2768 Handle OMP_MASTER and OMP_ORDERED.
2769 Handle printing of OMP_BODY just in one place, goto
2770 dump_omp_body in the rest of OMP_* nodes that have
2772 Don't handle clause nodes here. Update omp statements to
2773 use dump_omp_clauses.
2774 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
2775 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
2776 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
2777 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
2778 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
2779 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
2780 Adjust output for GOMP_PARALLEL.
2781 (dump_omp_clauses): New.
2782 (print_declaration): Dump DECL_VALUE_EXPR.
2783 (op_symbol_1): Split out of op_symbol.
2784 (dumping_stmts): Remove. Update all users.
2785 * cgraph.c (cgraph_analyze_queue): New.
2786 (cgraph_add_new_function): New.
2787 * cgraph.h (cgraph_analyze_queue): Declare.
2788 (cgraph_add_new_function): Declare.
2789 (cgraph_lower_function): Remove.
2790 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
2791 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
2792 and TYPE_P nodes in its default clause.
2793 (empty_body_p): New.
2794 (tree_range_check_failed): New.
2796 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
2797 OMP_CLAUSE_REDUCTION_MERGE,
2798 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
2799 OMP_CLAUSE_PRIVATE_DEBUG,
2800 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
2801 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
2802 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
2803 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
2804 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
2805 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
2806 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
2807 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
2808 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
2809 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
2810 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
2811 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
2812 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
2813 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
2814 (TREE_RANGE_CHECK): New.
2815 (empty_body_p): Declare.
2816 (enum omp_clause_default_kind): New.
2817 (build_string_literal): Declare.
2818 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
2819 (build5_stat, build5): Declare.
2820 * tree-pass.h (TDF_CHAIN): Define.
2821 * tree-pass.h (PROP_gimple_lomp): Define.
2822 (pass_lower_omp): Declare.
2823 * diagnostic.h (debug_tree_chain): Declare.
2824 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
2826 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
2827 * builtins.c (build_string_literal): Make extern.
2828 * gcc.c (include_spec_function): New.
2829 (static_spec_functions): Add it.
2830 (main): Move load of libgomp.spec ...
2831 (LINK_COMMAND_SPEC): ... here.
2832 (link_gomp_spec): New.
2833 (static_specs): Include it.
2834 (LINK_COMMAND_SPEC): Add link_gomp.
2835 (GOMP_SELF_SPECS): New.
2836 (driver_self_specs): Include it.
2837 (switch_matches): Don't mark inline.
2838 (main): Load libgomp.spec.
2839 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
2840 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
2841 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
2842 * tree-gimple.h (enum omp_parallel): Declare.
2843 (determine_parallel_type): Declare.
2844 (omp_firstprivatize_variable): Declare.
2845 (omp_reduction_init): Declare.
2846 (diagnose_omp_structured_block_errors): Declare.
2847 (struct walk_stmt_info): Add want_return_expr.
2848 (struct walk_stmt_info): Add want_bind_expr, want_locations.
2849 (find_omp_clause): Declare.
2850 (insert_field_into_struct): Declare.
2851 (struct walk_stmt_info): Move from tree-nested.c
2852 (walk_stmts): Declare.
2853 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2855 * cgraphunit.c (cgraph_lower_function): Make static.
2856 (cgraph_finalize_pending_functions): New.
2857 (cgraph_finalize_function): Call it.
2858 (cgraph_finalize_compilation_unit): Likewise.
2859 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2860 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2861 (BT_FN_UINT_UINT): New.
2862 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2863 DEF_FUNCTION_TYPE_VAR_4): Document.
2864 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2865 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2866 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2867 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2868 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2869 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2870 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2871 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2872 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2873 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2874 into separate files.
2875 (DEF_GOMP_BUILTIN): New.
2876 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2877 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2878 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2879 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2880 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2881 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2882 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2883 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2884 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2885 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2886 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2887 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2888 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2889 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2890 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2891 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2892 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2893 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2894 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2895 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2896 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2897 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2898 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2899 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2900 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2901 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2902 * sync-builtins.def: New file, moved from builtins.def.
2903 * omp-builtins.def: New file, moved from builtins.def.
2904 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2905 * gimple-low.c (lower_function_body): Clear data.
2906 (lower_stmt): Do not handle COMPOUND_EXPR.
2907 Remove call to print_node_brief.
2908 * c-tree.h (c_finish_omp_clauses): New prototype.
2909 (C_DECL_THREADPRIVATE_P): Define.
2910 (lookup_name_no_remap, c_omp_remap_private): Remove
2911 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2912 (check_for_loop_decls): Update decl.
2913 (lookup_name_no_remap, c_omp_remap_private): Declare.
2914 (build_indirect_ref, build_modify_expr, pushdecl,
2915 pushdecl_top_level): Move to c-common.h.
2916 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2917 before the switch, but just in the 2 places that need it.
2918 * c-decl.c (diagnose_mismatched_decls): Do not check for
2919 mismatched thread-local attributes when OLDDECL is marked
2920 threadprivate and NEWDECL has no thread-local attributes.
2921 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2922 (c_gimple_diagnostics_recursively): Rename from
2923 c_warn_unused_result_recursively. Invoke
2924 diagnose_omp_structured_block_errors.
2925 (check_for_loop_decls): Return a singular decl found.
2926 * langhooks.c (lhd_omp_predetermined_sharing): Return
2927 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2928 (lhd_omp_firstprivatize_type_sizes): New.
2929 (lhd_omp_assignment): New.
2930 (lhd_omp_predetermined_sharing): New.
2931 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2932 (struct lang_hooks_for_types): Add
2933 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2934 omp_predetermined_sharing, omp_disregard_value_expr,
2935 omp_private_debug_clause, omp_clause_default_ctor,
2936 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2937 (c_finish_omp_clauses): New.
2938 (c_finish_bc_stmt): Diagnose break within omp for.
2939 (c_begin_omp_parallel, c_finish_omp_parallel): New.
2940 (build_unary_op): Return error_mark after reporting
2942 (build_modify_expr): Likewise.
2943 * gimplify.c: Include optabs.h and pointer-set.h.
2944 (enum gimplify_omp_var_data): Declare.
2945 (struct gimplify_omp_ctx): Declare.
2946 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2948 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2949 (push_gimplify_context, pop_gimplify_context): Allow nesting.
2950 (splay_tree_compare_decl_uid): New.
2951 (new_omp_context): New.
2952 (delete_omp_context): New.
2953 (gimple_add_tmp_var): Call omp_add_variable.
2954 (gimplify_bind_expr): Likewise.
2955 (gimplify_var_or_parm_decl): If omp_notice_variable returned
2956 true, disregard DECL_VALUE_EXPR on the decl if any.
2957 (gimplify_expr_in_ctx): New.
2958 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2959 omp_add_variable, omp_notice_variable, omp_is_private
2960 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2961 gimplify_adjust_omp_clauses, gimplify_omp_parallel
2962 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2963 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2964 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2965 gimplify_omp_atomic): New.
2966 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2967 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2968 OMP_CRITICAL and OMP_ATOMIC.
2969 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2970 * c-pragma.h (enum pragma_kind): Add
2971 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2972 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2973 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2974 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2975 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
2976 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
2977 PRAGMA_OMP_THREADPRIVATE.
2978 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2979 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2980 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
2981 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
2982 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
2983 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
2984 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
2985 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
2986 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
2987 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
2988 * tree-ssa-dce.c (find_control_dependence): Do not assume that
2989 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
2990 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
2992 (struct nesting_info): Add field_map,
2993 suppress_expansion, debug_var_chain.
2994 (create_nesting_tree): Initialize them.
2995 (lookup_field_for_decl): Use field_map.
2996 (get_nonlocal_debug_decl, get_local_debug_decl): New.
2997 (convert_local_omp_clauses): New.
2998 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
2999 (walk_body): Split out of walk_function.
3000 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
3001 (convert_nonlocal_reference): Handle omp statements.
3002 (convert_local_reference): Likewise.
3003 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
3004 (unnest_nesting_tree): New.
3005 (lower_nested_functions): Call it.
3006 (insert_field_into_struct): Make extern.
3007 (struct walk_stmt_info): Move to tree-gimple.h.
3008 (walk_stmts): Make extern.
3009 * omp-builtins.def: New file.
3010 * tree-iterator.c (expr_only): Clarify comment.
3011 * c-common.h (pushdecl_top_level, pushdecl,
3012 build_modify_expr, build_indirect_ref,
3013 c_finish_omp_master, c_finish_omp_critical,
3014 c_finish_omp_ordered, c_finish_omp_barrier,
3015 c_finish_omp_atomic, c_finish_omp_flush,
3016 c_finish_omp_for, c_split_parallel_clauses,
3017 omp_clause_default_kind, c_omp_sharing_predetermined,
3018 c_omp_remap_decl): Declare.
3019 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3020 (OBJS-common): Add omp-low.o.
3021 (c-omp.o, omp-low.o): Add.
3022 (gimplify.o): Add dependency on $(OPTABS_H).
3023 (GTFILES): Add omp-low.c.
3024 (gt-stringpool.h): Add.
3025 * tree-cfg.c (set_bb_for_stmt): Do not update the
3026 block-to-labels map if we are currently expanding to RTL.
3027 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3029 Handle IDENTIFIER_NODE.
3030 (tree_verify_flow_info): Do not ICE when emitting error
3031 messages about invalid labels.
3032 (dump_function_to_file): Reset CFUN before emitting the body
3034 (debug_function): New.
3035 * passes.c (init_optimization_passes): Schedule
3037 * langhooks-def.h (lhd_omp_predetermined_sharing,
3038 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3040 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3041 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3042 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3043 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3044 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3045 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3046 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3047 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3048 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3049 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3050 (LANG_HOOK_DECLS): Use them.
3052 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3053 Richard Henderson <rth@redhat.com>
3054 Jakub Jelinek <jakub@redhat.com>
3055 Diego Novillo <dnovillo@redhat.com>
3057 * c-parser.c (pragma_omp_clause): Define.
3058 (c_parser_declaration_or_fndef): Document OpenMP syntax.
3059 (c_parser_compound_statement): Likewise.
3060 (c_parser_statement): Likewise.
3061 (c_parser_pragma): Handle omp pragmas.
3062 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3063 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3064 (c_parser_omp_clause_name, check_no_duplicate_clause,
3065 c_parser_omp_variable_list,
3066 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3067 c_parser_omp_clause_copyprivate,
3068 c_parser_omp_clause_default,
3069 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3070 c_parser_omp_clause_lastprivate,
3071 c_parser_omp_clause_nowait,
3072 c_parser_omp_clause_num_threads,
3073 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3074 c_parser_omp_clause_reduction,
3075 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3076 c_parser_omp_all_clauses, c_parser_omp_structured_block,
3077 c_parser_omp_atomic, c_parser_omp_barrier,
3078 c_parser_omp_critical, c_parser_omp_flush,
3079 c_parser_omp_for_loop, c_parser_omp_for,
3080 c_parser_omp_master, c_parser_omp_ordered,
3081 c_parser_omp_sections_scope, c_parser_omp_sections,
3082 c_parser_omp_parallel, c_parser_omp_single,
3083 c_parser_omp_construct, c_parser_omp_threadprivate): New.
3084 * c-pragma.c (init_pragma): Do omp pragma registration here.
3085 * c.opt (fopenmp): New flag.
3087 2006-01-18 Eric Christopher <echristo@apple.com>
3089 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3090 * config/darwin.h (GOMP_SELF_SPECS): Define.
3092 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3094 * rtl.h: Remove the prototype for reg_alloc.
3096 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3099 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3100 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3101 sjlj and dwarf2 exception handling.
3102 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3103 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3104 * pa/pa.c (function_value): Treat complex and vector types as
3106 (function_arg): Likewise. Only pass scalar floats in the floating
3107 point argument registers.
3108 * pa/t-slibgcc-dwarf-ver: New file.
3109 * pa/t-slibgcc-sjlj-ver: New file.
3110 * pa/t-slibgcc-elf-ver: Delete file.
3112 2006-01-19 Alan Modra <amodra@bigpond.net.au>
3114 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3115 unlikely_test_section_p test.
3117 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3119 * mode-switching.c (optimize_mode_switching): Make it static.
3120 * basic-block.h: Remove the prototype for
3121 optimize_mode_switching.
3123 * modulo-sched.c (sms_schedule): Make it static.
3124 * rtl.h: Remove the prototype for sms_schedule.
3126 * postreload-gcse.c (gcse_after_reload_main): Make it static.
3127 * rtl.h: Remove the prototype for gcse_after_reload_main.
3129 * reg-stack.c (reg_to_stack): Make it static.
3130 * rtl.h: Remove the prototype for reg_to_stack.
3132 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3134 * rtl.h: Remove the prototypes for regrename_optimize and
3135 copyprop_hardreg_forward.
3137 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
3139 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3140 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
3141 Test against the appropriate null constant for the mode.
3142 If 'fixup_overlap' is true, swap the operands if they overlap.
3143 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3144 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3145 alpha_split_tmode_pair and adjust for above change.
3146 * config/alpha/alpha.md (movtf_internal): Adjust call to
3147 alpha_split_tfmode_pair and rely on it to swap the operands.
3148 (movti_internal): New insn and post-reload splitter.
3149 (movti): New expander.
3151 2006-01-18 Philippe De Muyter <phdm@macqel.be>
3153 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3156 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3158 * rtlanal.c (global_reg_mentioned_p_1,
3159 global_reg_mentioned_p): Remove.
3160 * rtl.h: Remove the prototype for global_reg_mentioned_p.
3162 * flow.c (initialize_uninitialized_subregs): Make it static.
3163 * rtl.h: Remove the prototype for
3164 initialize_uninitialized_subregs.
3166 * function.c (instantiate_virtual_regs): Make it static.
3167 * function.h: Remove the prototype for
3168 instantiate_virtual_regs.
3170 * regmove.c (regmove_optimize, combine_stack_adjustments):
3172 * rtl.h: Remove the prototypes for regmove_optimize and
3173 combine_stack_adjustments.
3175 2006-01-17 Roger Sayle <roger@eyesopen.com>
3177 * config/i386/i386.c (COSTS_N_BYTES): New macro.
3178 (size_cost): Encode costs in bytes so that a reg-reg addition is
3179 equivalent to COSTS_N_INSNS(1).
3180 (override_options): Use the size_cost.branch_cost as the default
3181 ix86_branch_cost when optimizing for size.
3183 2006-01-18 Ben Elliston <bje@au.ibm.com>
3185 * Makefile.in (D32PBIT_FUNCS): New.
3186 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3187 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3188 D64PBIT_FUNCS and D128PBIT_FUNCS.
3189 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3190 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3192 (decnumber_dep): Define.
3193 * doc/libgcc.texi (Decimal float library routines): New node.
3194 * config/dfp-bit.h, config/dfp-bit.c: New files.
3196 2006-01-18 Ben Elliston <bje@au.ibm.com>
3198 * expr.c (emit_move_change_mode): Always adjust addresses, not
3199 just during reload. Copy replacements only during reload.
3200 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3201 emit_move_via_integer.
3203 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
3205 * Makefile.in (check-%, check-consistency): Use $${srcdir}
3206 instead of $(srcdir) and ${srcdir}.
3208 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
3212 * arm.h (struct machine_function): Add pic_reg.
3213 * arm.c (arm_pic_register): Make unsigned.
3214 (arm_override_options): Only set arm_pic_register if
3215 TARGET_SINGLE_PIC_BASE.
3216 (use_return_insn): Only test for a pic register if it is fixed.
3217 (arm_compute_save_reg0_reg12_mask): Likewise.
3218 (thumb_compute_save_reg_mask): Likewise.
3219 (legitimate_pic_operand): Factor out some known invariants.
3220 (legitimize_pic_address): If we don't have a fixed pic register,
3221 then set up a pseudo in the function entry sequence. Handle the
3222 pic base being in a pseudo.
3223 (arm_load_pic_register): Handle the pic register being in a pseudo.
3224 (arm_expand_prologue): Only set up the pic register if it is fixed.
3225 (thumb_expand_prologue): Likewise.
3226 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3227 (pic_load_addr_based_insn): Likewise.
3228 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3231 2006-01-18 Ben Elliston <bje@au.ibm.com>
3233 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3234 decimal float modes for all floating point registers.
3236 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3237 match_code "mem" with match_test "macho_lo_sum_memory_operand".
3239 2006-01-17 Jakub Jelinek <jakub@redhat.com>
3242 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3243 even when the pointer is not NULL.
3245 2006-01-16 Ian Lance Taylor <ian@airs.com>
3247 * common.opt (ftoplevel-reorder): New option.
3248 * cgraph.c (cgraph_asm_nodes): New global variable.
3249 (cgraph_asm_last_node): New static variable.
3250 (cgraph_order): New global variable.
3251 (cgraph_create_node): Set new order field.
3252 (cgraph_varpool_node): Likewise.
3253 (decide_is_variable_needed): Return true if not
3254 flag_toplevel_reorder.
3255 (cgraph_add_asm_node): New function.
3256 * cgraph.h (struct cgraph_node): Add order field.
3257 (struct cgraph_varpool_node): Add order field.
3258 (struct cgraph_asm_node): Define.
3259 (cgraph_asm_nodes, cgraph_order): Declare.
3260 (cgraph_add_asm_node): Declare.
3261 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3263 (cgraph_varpool_assemble_pending_decls): Call it.
3264 (cgraph_output_pending_asms): New static function.
3265 (cgraph_finalize_compilation_unit): Call it.
3266 (struct cgraph_order_sort): Define.
3267 (cgraph_output_in_order): New static function.
3268 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
3269 !flag_toplevel_reorder case.
3270 * c-parser.c: Include "cgraph.h".
3271 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3273 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3274 than -fno-unit-at-a-time.
3275 * doc/invoke.texi (Option Summary): Mention
3276 -fno-toplevel-reorder.
3277 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
3278 -funit-at-a-time documentation.
3280 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
3281 Kazu Hirata <kazu@codesourcery.com>
3283 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3285 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
3287 * Makefile.in (FUNCTION_H): New. Use it instead of
3288 function.h throughout the file.
3289 * function.h: Include tree.h.
3291 2006-01-17 Ben Elliston <bje@au.ibm.com>
3293 * recog.c: Separate some functions with whitespace.
3295 2006-01-16 Richard Henderson <rth@redhat.com>
3297 Merge from gomp branch:
3298 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
3299 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3300 and rename from struct inline_data. Rename callee* to dst*;
3301 caller* to src*; add copy_decl hook, transform_call_graph_edges,
3302 transform_new_cfg, transform_return_to_modify, and
3303 transform_lang_insert_block flags; remove cloning_p, versioning_p,
3305 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3306 (copy_decl_for_dup): Remove.
3307 * tree-inline.c (struct inline_data): Move to header.
3308 (insert_decl_map): Export.
3309 (remap_decl): Update for member name changes. Use copy_decl hook.
3310 Allow for replacement to be a non-decl. Remove dead code.
3311 (remap_type_1): Check for existing mapping.
3312 (remap_type): Export.
3313 (remap_decls): Update for member name changes.
3314 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3315 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3316 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3317 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3318 (tree_function_versioning, build_duplicate_type): Likewise.
3319 (copy_body_r): Likewise. Export.
3320 (copy_decl_for_dup): Split into ...
3321 (copy_decl_for_dup_finish, copy_decl_to_var,
3322 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3323 (replace_ref_tree, inlining_p): Remove.
3325 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3327 * ifcvt.c (if_convert): Make it static.
3328 * rtl.h: Remove the prototype for if_convert.
3330 * local-alloc.c (local_alloc): Make it static.
3331 * rtl.h: Remove the prototype for local_alloc.
3333 * loop.c (loop_optimize): Make it static.
3334 * cfgloop.h: Remove the prototype for loop_optimize.
3337 2006-01-16 DJ Delorie <dj@redhat.com>
3339 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3342 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3344 * pa.md: Disparage copies between general and floating-point registers
3345 in 32-bit move patterns.
3347 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
3350 * Makefile.in (check-%): Depend on site.exp instead of
3351 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3354 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3356 * global.c (global_alloc): Make it static.
3357 * rtl.h: Remove the prototype for global_alloc.
3359 2006-01-16 Richard Guenther <rguenther@suse.de>
3361 * tree-ssa-alias.c (struct used_part): Add write_only field.
3362 (get_or_create_used_part_for): Initialize it to true.
3363 (create_overlap_variables_for): Don't create structure variables
3364 for structures that only are written to.
3365 (find_used_portions): Handle MODIFY_EXPR to track whether a
3366 structure is only written to.
3368 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3370 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3372 * basic-block.h: Remove the prototype for
3373 partition_hot_cold_basic_blocks.
3375 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
3377 * cppspec.c (lang_specific_spec_functions): Remove.
3378 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3379 * gcc.h (lang_specific_spec_functions): Remove.
3380 * gccspec.c (lang_specific_spec_functions): Remove.
3382 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
3384 * combine.c (record_value_for_reg): Invalidate registers
3386 (record_dead_and_set_regs_1): Likewise, by passing them to
3387 record_value_for_reg.
3388 (record_dead_and_set_regs): Invalidate stores made by a
3389 call. We do not combine across a call, but we still
3390 relied on equivalences.
3392 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3394 * tree-vrp.c (extract_range_from_binary_expr): Cope with
3395 vrp_int_const_binop returning non-constant nodes.
3397 2006-01-16 Paul Brook <paul@codesourcery.com>
3399 * config/m68k/m68k.c (output_move_const_into_data_reg):
3400 Output correct mnemonic for mvz and mvs.
3402 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
3404 * rtl-factoring.c: Add sequence abstraction algorithm.
3405 * cfgcleanup.c (outgoing_edges_match): Extra checks.
3406 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
3408 (block_has_preserve_label): New function.
3409 * common.opt: Register new pass.
3410 * Makefile.in: Ditto.
3412 * timevar.def: Ditto.
3413 * tree-pass.h: Ditto.
3414 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
3415 * rtl.h (make_jump_insn_raw): Add forward decl.
3416 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
3418 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3419 Roger Sayle <roger@eyesopen.com>
3421 * fold-const.c (fold_minmax): New static function.
3422 (fold_binary) <MIN_EXPR>: Call it.
3423 <MAX_EXPR>: Likewise.
3424 * stor-layout.c (place_field): Use DECL_SIZE consistently
3425 in the computation of the new record size.
3427 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3429 * cse.c (cse_condition_code_reg): Make it static.
3430 * rtl.h: Remove the prototype for cse_condition_code_reg.
3432 * combine.c (combine_instructions): Make it static.
3433 * rtl.h: Remove the prototype for combine_instructions.
3435 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3438 * tree.c (get_file_function_name_long): Concatenate the first global
3439 object name with a string derived from the input filename of the object
3442 2006-01-16 Ben Elliston <bje@au.ibm.com>
3444 * config/i386/winnt-stubs.c: Update FSF address.
3445 * config/xtensa/ieee754-df.S: Ditto.
3446 * config/xtensa/ieee754-sf.S: Ditto.
3448 2006-01-14 Ian Lance Taylor <ian@airs.com>
3450 * ifcvt.c (noce_init_if_info): New static function, broken out of
3451 noce_process_if_block.
3452 (noce_process_if_block): Call noce_init_if_info.
3453 (check_cond_move_block): New static function.
3454 (cond_move_process_if_block): New static function.
3455 (process_if_block): Call cond_move_process_if_block.
3457 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
3459 * cselib.c (hash_table): Rename to cselib_hash_table.
3460 (cselib_clear_table, discard_useless_values,
3461 remove_useless_values, cselib_lookup_mem, cselib_lookup,
3462 cselib_init, cselib_finish): Adjust uses of hash_table.
3464 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
3466 PR tree-optimization/25485
3467 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
3468 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
3469 is known to be false and true, respectively.
3471 2006-01-14 Richard Guenther <rguenther@suse.de>
3473 PR tree-optimization/22548
3474 PR tree-optimization/22555
3475 PR tree-optimization/22501
3476 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
3477 * params.def (salias-max-array-elements): New parameter.
3478 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
3479 * doc/invoke.texi (salias-max-array-elements): Document.
3480 * tree-flow-inline.h (var_can_have_subvars): We also handle
3482 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
3484 * tree-ssa-structalias.c (params.h): Include.
3485 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
3486 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
3487 (get_constraint_for): For ADDR_EXPR operating on something
3488 containing an ARRAY_REF, add all subvars to the solution.
3489 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
3490 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
3491 for creating MUST_DEFs.
3492 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
3494 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
3496 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
3498 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3499 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3500 number_of_iterations_le): New functions.
3501 (number_of_iterations_special): Removed.
3502 (number_of_iterations_exit): Do not use number_of_iterations_special.
3503 * tree.c (unsigned_type_for): Always return integer type.
3505 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
3506 Richard Guenther <rguenther@suse.de>
3508 PR rtl-optimization/24257
3509 * gcse.c (find_moveable_store): Only consider a store movable
3510 when the SET_SRC of the insn can be assigned to a register.
3512 2006-01-14 Ian Lance Taylor <ian@airs.com>
3514 * tree.c (tree_not_class_check_failed): New function.
3515 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
3516 (tree_not_class_check_failed): Declare.
3518 2006-01-13 Ian Lance Taylor <ian@airs.com>
3520 * reload1.c (do_output_reload): Add assertion rejecting a
3523 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
3525 * combine.c (struct reg_stat): Add new fields truncation_label and
3527 (record_value_for_reg): Reset truncated_to_mode.
3528 (record_truncated_value): New function.
3529 (check_promoted_subreg): Call it. Rename to check_conversions.
3530 (combine_instructions): Rename check_promoted_subreg to
3532 (reg_truncated_to_mode): New function.
3533 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
3534 (gen_lowpart_or_truncate): New function.
3535 (force_to_mode): Use it instead of gen_lowpart.
3537 2006-01-13 Diego Novillo <dnovillo@redhat.com>
3539 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
3540 VAR is a tag, not its type tag.
3542 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
3544 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3545 alternatives to match style of other entries.
3546 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
3548 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
3550 PR tree-optimization/25771
3551 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3554 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
3557 * tree-inline.c (declare_return_variable): If the return variable
3558 was marked as a non gimple complex, set the return slot variable
3559 to be a non gimple comple variable.
3561 2006-01-13 Richard Guenther <rguenther@suse.de>
3563 * builtins.c (expand_builtin_sincos): New function.
3564 (expand_builtin_mathfn_3): Remove dead code, sin and cos
3566 (expand_builtin): Expand sincos using expand_builtin_sincos.
3568 2006-01-12 DJ Delorie <dj@redhat.com>
3570 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3571 shift counts, separate SI shifts for m32c vs m16c, pass shift type
3572 so that constant shifts can be split.
3573 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3574 (m32c_valid_pointer_mode): Make static.
3575 (shift_gen_func_for): New.
3576 (m32c_prepare_shift): Use it. Split large const shifts into
3578 * config/m32c/predicates.md (shiftcount_operand): Allow more
3580 (longshiftcount_operand): New.
3581 * doc/md.texi (Machine Constraints): Document In6.
3583 2006-01-13 Ben Elliston <bje@au.ibm.com>
3585 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
3586 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
3589 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
3591 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
3592 to try to avoid clobbering pieces of structures when we know
3593 something about the whole structure.
3594 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
3596 2006-01-13 Ben Elliston <bje@au.ibm.com>
3598 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
3599 return in memory, as this is no limitation is no longer present.
3601 2006-01-12 DJ Delorie <dj@redhat.com>
3603 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
3604 mova with fb, and for fb+0 -> An.
3606 * config/m32c/mov.md (peephole2): Fix enabling logic.
3608 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3609 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
3610 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
3611 FINI_ARRAY_SECTION_ASM_OP): Define.
3613 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
3615 (m32c_legitimize_reload_address): New logic to reload FB to An.
3616 (m32c_output_reg_push): Add newline.
3617 (m32c_output_reg_pop): Likewise.
3619 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
3621 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
3623 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
3625 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3627 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3629 * config/sh/predicates.md (sh_rep_vec): Add parallel to
3632 2006-01-11 Ben Elliston <bje@au.ibm.com>
3634 * rtlanal.c (find_reg_note): Assert insn is not null.
3636 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3638 * df-scan.c (df_hard_reg_init): Move declaration of i outside
3641 2006-01-11 Jeff Law <law@redhat.com>
3643 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
3645 (mark_threaded_blocks, register_jump_thread): New functions.
3646 (thread_through_all_blocks): Remove unwanted argument. No
3647 longer rely on e->aux to communicate thread target info.
3648 Call mark_threaded_blocks. Release the threaded_blocks
3649 bitmap and threaded_edges vector when complete.
3650 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
3651 (threaded_blocks): Remove.
3652 (tree_ssa_dominator_optimize): Remove initialization and
3653 finalization of threaded_blocks. Simplify call to
3654 thread_through_all_blocks.
3655 (thread_across_edge): Call register_jump_thread rather than
3656 storing thread information into e->aux.
3657 (free_all_edge_infos): Simplify now that e->aux is no longer
3658 used to communicate with thread_through_all_blocks.
3659 * tree-flow.h (thread_through_all_blocks): Update prototype.
3660 (register_jump_thread): Prototype.
3662 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3664 * df-core.c (df_compact_blocks, df_bb_replace): Use
3665 SET_BASIC_BLOCK instead of BASIC_BLOCK.
3667 2006-01-11 Richard Guenther <rguenther@suse.de>
3669 PR tree-optimization/25734
3670 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3671 stop propagation after successful propagation to the LHS.
3673 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3675 * basic-block.h (control_flow_graph): Change the type of
3676 x_basic_block_info to VEC(basic_block,gc) *.
3677 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
3679 (SET_BASIC_BLOCK): New.
3680 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
3681 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
3682 * cfgbuild.c (find_basic_blocks): Likewise.
3683 * cfglayout.c (fixup_reorder_chain): Likewise.
3684 * cfgrtl.c (create_basic_block_structure,
3685 rtl_create_basic_block): Likewise.
3686 * ifcvt.c (find_if_case_1): Likewise.
3687 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
3690 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3692 * Makefile.in: Removed rotted odf.c entry.
3694 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
3697 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
3698 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
3699 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
3700 output pattern modifier, not %e.
3701 * config/cris/cris.c (cris_op_str): Update comment about pattern
3703 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
3704 before falling through into...
3705 <case 'E'>: Redefined from old 'e' case.
3707 2006-01-11 Jan Hubicka <jh@suse.cz>
3710 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
3712 2006-01-11 Jan Hubicka <jh@suse.cz>
3714 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
3715 * i386.c (x86_decompose_lea): Kill.
3716 (ix86_rtx_costs): Kill.
3718 2006-01-11 Jan Hubicka <jh@suse.cz>
3720 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
3721 * cgraph.h (cgraph_node): Add inline_decl.
3722 (cgraph_insert_node_to_hashtable): Declare.
3723 (save_inline_function_body): Declare.
3724 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
3726 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
3727 (cgraph_function_versioning): Update call of tree_function_versioning.
3728 (save_inline_function_body): New function.
3729 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
3730 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
3731 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
3732 (cgraph_default_inline_p): Likewise.
3733 (cgraph_decide_inlining_incrementally): Likewise.
3734 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
3735 (copy_bb): Kill saving; do updating of clones.
3736 (copy_cfg_body): Kill saving.
3737 (initialize_inlined-parameters): Likewise.
3738 (expand_call_inline): Likewise.
3740 (tree_function_versioning): New parameter "update_clones".
3741 (inlining_p): Kill saving.
3742 * tree-inline.h (tree_function_versioning): Update prototype.
3743 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
3746 2006-01-11 Ian Lance Taylor <ian@airs.com>
3748 * combine.c (struct undo): Remove is_int. Enumify types of undos.
3749 Allow undoing set of machine mode.
3750 (do_SUBST): Use enums instead of is_int.
3751 (do_SUBST_MODE): New function.
3752 (SUBST_MODE): New macro.
3753 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
3754 reg and trying to replace reg_regno_rtx with a new register.
3755 (undo_all): Use new enums, handle undoing a PUT_MODE change.
3756 (simplify_set): Use SUBST_MODE.
3757 (distribute_notes): Remove code that tried to update reg notes
3758 for regno_reg_rtx changes.
3760 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
3762 PR tree-optimization/23109
3763 PR tree-optimization/23948
3764 PR tree-optimization/24123
3766 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
3767 * tree-cfg.c (single_noncomplex_succ): New.
3768 * tree-flow.h (single_noncomplex_succ): Declare it.
3769 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3770 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3771 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
3772 insert_bb, register_division_in, insert_reciprocals,
3773 replace_reciprocal, free_bb): New.
3774 (execute_cse_reciprocals_1): Rewritten.
3775 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
3776 Do not commit any edge insertion. Always compute dominators and
3777 create the allocation pool.
3778 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
3779 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
3780 * targhooks.c (default_min_divistions_for_recip_mul): New.
3781 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
3782 * passes.c (init_optimization_passes): Run recip after tree loop
3784 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
3786 2006-01-11 Danny Berlin <dberlin@dberlin.org>
3787 Kenneth Zadeck <zadeck@naturalbridge.com>
3789 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
3790 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
3791 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
3792 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
3793 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
3794 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
3795 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
3796 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
3797 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
3798 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
3799 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
3800 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
3801 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
3802 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
3803 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
3804 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
3805 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
3806 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
3807 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
3808 DF_SCAN_POST_ALLOC): New macros.
3809 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
3810 df_free_bb_function, df_local_compute_function, df_init_function,
3811 df_dataflow_function, df_confluence_function_0,
3812 df_confluence_function_n, df_transfer_function,
3813 df_finalizer_function, df_free_function, df_dump_problem_function,
3814 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
3815 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
3816 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
3817 df_urec_bb_info, ) New types.
3818 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
3820 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
3821 df_analyze_simple_change_some_blocks,
3822 df_analyze_simple_change_one_block, df_compact_blocks,
3823 df_bb_replace, df_bb_regno_last_use_find,
3824 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
3825 df_insn_regno_def_p, df_find_def, df_find_use,
3826 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
3827 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
3828 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
3829 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
3830 debug_df_chain, df_get_dependent_problem, df_chain_create,
3831 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
3832 df_grow_bb_info, df_chain_dump, df_print_bb_index,
3833 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
3834 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
3835 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
3836 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
3837 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
3838 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
3839 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
3840 df_ref_remove, df_insn_refs_delete, df_refs_delete,
3841 df_reorganize_refs, df_set_state, df_hard_reg_init,
3842 df_read_modify_subreg_p) New public functions.
3843 * df-core.c: The core dataflow solver and glue routines for rtl
3845 (df_init, df_add_problem, df_set_blocks, df_finish,
3846 df_hybrid_search_forward, df_hybrid_search_backward,
3847 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3848 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3849 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3850 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3851 df_reg_defined, df_find_use, df_reg_used, df_dump,
3852 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3853 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3854 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3855 debug_df_useno, reset_df_after_reload): New functions.
3856 * df-scan.c: The scanning fuctions, once in df.c, completely
3857 rewritten so that they now fully model the functionality of
3858 register usage at the backend.
3859 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3860 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
3861 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
3862 df_grow_insn_info, df_rescan_blocks, df_ref_create,
3863 df_get_artificial_defs, df_get_artificial_uses,
3864 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
3865 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
3866 df_refs_delete, df_reorganize_refs, df_set_state,
3867 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
3868 df_def_record_1, df_defs_record, df_uses_record,
3869 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
3870 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
3871 df_record_exit_block_uses, df_hard_reg_init): New functions.
3873 * df-problems.c: Seven concrete dataflow problems that use the
3874 scanning in df-scan.c and are solved by the engine in df-core.c.
3875 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
3876 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
3877 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
3878 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
3879 df_ru_free_bb_info, df_ru_alloc,
3880 df_ru_bb_local_compute_process_def,
3881 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
3882 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
3883 df_ru_transfer_function, df_ru_free, df_ru_dump,
3884 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
3885 df_rd_free_bb_info, df_rd_alloc,
3886 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
3887 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
3888 df_rd_transfer_function, df_rd_free, df_rd_dump,
3889 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
3890 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
3891 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
3892 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
3893 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
3894 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
3895 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
3896 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
3897 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
3898 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
3899 df_urec_mark_reg_change, df_urec_check_earlyclobber,
3900 df_urec_mark_reg_use_for_earlyclobber,
3901 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
3902 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
3903 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
3904 df_urec_dump, df_urec_add_problem, df_chain_alloc,
3905 df_chain_create_bb_process_use, df_chain_create_bb,
3906 df_chain_finalize, df_chain_free, df_chains_dump,
3907 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
3908 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
3909 df_reg_lifetime): New functions.
3910 * df.c: Deleted file.
3911 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
3912 consistent with new df api.
3913 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
3914 rest_of_handle_sms): Ditto.
3915 * web.c (unionfind_union, union_defs, entry_register, web_main):
3917 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
3918 invariant_expr_equal_p, find_defs, check_dependencies,
3919 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
3920 free_inv_motion_data, move_loop_invariants): Ditto.
3921 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
3922 Update dependencies.
3923 (odf.c): Added defective entry that was deleted later in day.
3924 * sched-deps.c (sched_analyze_1): Ditto.
3926 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
3928 * tree-ssa-operands.c (get_expr_operands): Record addressable
3929 variables directly. Do not call add_stmt_operands for CONST_DECLs
3931 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
3932 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
3934 2006-01-11 Ben Elliston <bje@au.ibm.com>
3936 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
3937 function returns true in the positive case.
3939 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3942 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
3943 for SI, DI, SF and DF modes. Add alternatives to copy between
3944 general and floating point registers to the 32-bit patterns.
3945 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
3946 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
3947 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
3948 generating 64-bit code.
3949 * config/pa/pa.c (output_move_double): Handle copies between general
3950 and floating registers.
3952 2006-01-10 Stuart Hastings <stuart@apple.com>
3954 * config/i386/i386.md (set_got): Update.
3955 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
3956 (builtin_setjmp_receiver): Mach-O support.
3957 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
3958 (GOT_SYMBOL_NAME): Define.
3959 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3960 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
3961 * config/i386/i386.c (override_options): Revise for Darwin.
3962 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
3963 support. (darwin_x86_file_end): New. (output_set_got): Add label
3964 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
3965 * config/i386/i386-protos.h (output_set_got): Likewise.
3966 * config/darwin.c (machopic_legitimize_pic_address): Update
3969 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
3971 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
3972 when MODE isn't BLKmode.
3974 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3976 PR rtl-optimization/25367
3977 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
3979 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
3982 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
3983 for a negative bound.
3985 2006-01-10 Richard Guenther <rguenther@suse.de>
3987 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3988 Never override with anything constraint.
3990 2006-01-10 Jan Beulich <jbeulich@novell.com>
3992 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
3993 256 bits when optimize_size.
3995 2006-01-10 Jan Beulich <jbeulich@novell.com>
3997 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
3999 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
4000 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
4003 2006-01-10 Ben Elliston <bje@au.ibm.com>
4005 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
4007 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
4008 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4009 (USE_FP_FOR_ARG): Reject decimal float modes.
4010 (function_arg_advance): Likewise.
4011 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4012 (rs6000_handle_altivec_attribute): Do not permit decimal floating
4013 point types in AltiVec vectors.
4014 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4015 (rs6000_libcall_value): Likewise.
4017 2006-01-09 Bob Wilson <bob.wilson@acm.org>
4019 * config/xtensa/ieee754-df.S: New file.
4020 * config/xtensa/ieee754-sf.S: New file.
4021 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4022 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4023 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4025 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
4027 * config/sh/predicates.md (binary_float_operator,
4028 binary_logical_operator, commutative_float_operator,
4029 equality_comparison_operator, greater_comparison_operator,
4030 less_comparison_operator, logical_operator,
4031 noncommutative_float_operator, shift_operator,
4032 symbol_ref_operand, unary_float_operator): Remove redundant
4035 2006-01-09 Jeff Law <law@redhat.com>
4037 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4038 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
4039 now unused arguments. Callers updated.
4040 (eliminate_redundant_computations): Remove now unused arguments,
4042 (local_fold): Remove, no longer used.
4043 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4045 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4046 (simplify_cond): New function.
4047 (forward_propagate_into_cond): Call simplify_cond.
4049 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
4051 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4052 (*vec_extractv2di_1_sse): New.
4054 2006-01-09 Ben Elliston <bje@au.ibm.com>
4056 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4058 2006-01-08 Richard Guenther <rguenther@suse.de>
4060 * tree-ssa-structalias.c (get_constraint_for): Remove
4062 (get_constraint_for_component_ref): Likewise.
4063 (do_deref): Likewise.
4064 (get_constraint_for): Likewise.
4065 (do_structure_copy): Likewise.
4066 (handle_ptr_arith): Likewise.
4067 (find_func_aliases): Likewise. Remove unused need_anyoffset
4070 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
4071 Kaz Kojima <kkojima@gcc.gnu.org>
4073 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4074 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4075 (EXTRA_CONSTRAINT_C16): Remove.
4076 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4077 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4078 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4079 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4080 constants of SHmedia. Handle nested constant expressions of
4082 (andcosts): Fix the costs for SHmedia constants.
4083 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4084 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4085 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4086 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4087 (movv4hi_i, movv2si_i): Likewise.
4088 (movsi_const): Adjust the second operand of ior so to match with
4090 (movdi_const, movdi_const_32bit): Likewise.
4091 (movdi_const_16bit+1): Don't sign-extend LOW.
4092 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
4094 (*double_shori): Fix the split condition. Use GEN_INT instead
4095 of get_int_mode calls. Mask lower 16-bit of the argument of
4097 (sym2GOTPLT): Remove.
4098 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4100 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4101 instead of EXTRA_CONSTRAINT_C16.
4103 2006-01-07 Ian Lance Taylor <ian@airs.com>
4104 David Edelsohn <edelsohn@gnu.org>
4106 PR rtl-optimization/25662
4107 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4108 for constant operands instead of simplify_gen_binary.
4109 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4110 after trying simplify_binary_operation
4112 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
4114 * tree.c (iterative_hash_expr): Hash decls based on UID.
4116 2006-01-06 Eric Christopher <echristo@apple.com>
4118 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4119 (TARGET_UNWIND_EMIT): Fix spelling.
4120 * target.h (gcc_target): Add except_table_label.
4121 * except.c (output_function_exception_table): Use.
4122 * varasm.c (default_emit_except_table_label): New.
4123 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4125 (asm_out): Add here.
4126 * output.h (default_emit_except_table_label): Prototype.
4127 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4128 * config/darwin.c (darwin_emit_except_table_label): Define.
4129 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4131 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
4133 PR tree-optimization/18527
4134 * tree-ssa-loop-niter.c (number_of_iterations_cond,
4135 number_of_iterations_special, number_of_iterations_exit):
4136 Move base and step of an iv to a single structure. Add
4137 no_overflow flag, and use it in # of iterations analysis.
4138 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4139 folded_casts argument.
4140 (simple_iv): Pass base and step in a structure. Set no_overflow
4142 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4143 Evaluate expensiveness of computing # of iterations instead of
4144 the final expression.
4145 * tree-scalar-evolution.h (affine_iv): New structure.
4146 (simple_iv): Declaration changed.
4147 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4148 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4149 find_givs_in_stmt): Changed due to simple_iv change.
4151 2006-01-06 Jeff Law <law@redhat.com>
4154 * tree-cfg.c (bsi_replace): Rename final argument from
4155 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
4156 change (stmt -> orig_stmt).
4157 * tree-eh.c (verify_eh_throw_stmt_node): New function.
4158 (bsi_remove): Add new argument. Remove EH information
4160 (verify_eh_throw_table_statements): New function.
4161 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
4163 * tree-optimize.c (execute_free_cfg_annotations): Verify
4164 the EH throw statement table after removing annotations.
4165 * except.h (verify_eh_throw_table_statements): Prototype.
4166 * tree-flow.h (bsi_remove): Update prototype.
4167 * tree-vrp.c (remove_range_assertions): Add new argument to
4169 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4170 * tree-complex.c (expand_complex_div_wide): Likewise.
4171 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4172 * tree-tailcall.c (eliminate_tailcall): Likewise.
4173 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4174 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4175 * tree-nrv.c (tree_nrv): Likewise.
4176 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4177 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4178 (combine_blocks): Likewise.
4179 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4180 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4181 (cleanup_control_flow): Likewise.
4182 (remove_forwarder_block): Likewise.
4183 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4184 * tree-sra.c (sra_replace): Likewise.
4185 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4186 (forward_propagate_single_use_vars): Likewise.
4187 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4188 * tree-inline.c (expand_call_inline): Likewise.
4189 * tree-vect-transform.c (vect_transform_loop): Likewise.
4190 * tree-outof-ssa.c (rewrite_trees): Likewise.
4191 * tree-cfg.c (make_goto_expr_edges): Likewise.
4192 (cleanup_dead_labels): Likewise.
4193 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4194 (bsi_move_before, bsi_move_after): Likewise.
4195 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4196 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4198 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
4201 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4203 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4204 on non gimple variables. Also add checks at the top for decls and
4206 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4208 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4209 and IMAGPART_EXPR for creating MUST_DEFs.
4210 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4211 and NAME_MEMORY_TAG separately from the DECLs.
4213 2006-01-06 Richard Guenther <rguenther@suse.de>
4215 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4216 annotation, if necessary.
4217 * tree-ssa-pre.c (create_expression_by_pieces): Remove
4218 redundant calls to update_stmt.
4219 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4222 2006-01-05 Richard Henderson <rth@redhat.com>
4224 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4226 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4228 * c-typeck.c: Update copyright date.
4230 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4232 * c-typeck.c (build_c_cast): Always warn when casting
4233 from a pointer to an integer of different size, even if
4234 the node was constant.
4236 2006-01-05 Richard Guenther <rguenther@suse.de>
4238 PR tree-optimization/22555
4239 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4240 if one structure field is an array.
4241 * tree-ssa-operands.c (get_expr_operands): Continue scanning
4242 operands even if we found a subvar, but ignore VOPs in this
4244 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4246 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4248 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
4251 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4253 2006-01-05 Richard Guenther <rguenther@suse.de>
4254 Diego Novillo <dnovillo@redhat.com>
4256 * tree-pass.h (TODO_remove_unused_locals): Define.
4257 * gimple-low.c (expand_var_p, remove_useless_vars,
4258 pass_remove_useless_vars): Remove. Update all users.
4259 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4260 (remove_unused_locals): New function.
4261 * tree-flow.h (remove_unused_locals): Declare.
4262 * passes.c (execute_todo): Call remove_unused_locals if
4263 TODO_remove_unused_locals is set.
4264 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4265 * tree-ssa-dce.c (pass_dce): Likewise.
4266 * tree-outof-ssa.c (pass_del_ssa): Likewise.
4268 2006-01-05 Richard Guenther <rguenther@suse.de>
4270 * tree-flow.h (struct fieldoff): Decompose field to
4271 type, size and decl.
4272 * tree-ssa-alias.c (create_sft): Take type as parameter.
4273 (create_overlap_variables_for): Store type, size and decl
4274 in the fieldoff structure.
4275 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
4277 (push_fields_onto_fieldstack): Likewise.
4278 (create_variable_info_for): Likewise. Use offset for the
4279 SFT name if the decl is not available.
4281 2006-01-04 Paul Brook <paul@codesourcery.com>
4283 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
4285 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
4287 * lambda-code.c (can_put_in_inner_loop): Relax
4289 (can_put_after_inner_loop): New function.
4290 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
4291 (perfect_nestify): Change to make copies and modify uses.
4293 2006-01-04 Richard Henderson <rth@redhat.com>
4295 Merge from gomp branch:
4296 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
4297 via integer constant.
4298 (pragma_lex): Remove.
4299 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
4300 rather than parsing it.
4301 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
4302 handle_pragma_extern_prefix): Add %< %> quotes.
4303 (registered_pragmas): New.
4304 (c_register_pragma_1): New.
4305 (c_register_pragma): Use it.
4306 (c_register_pragma_with_expansion): Likewise.
4307 (c_invoke_pragma_handler): New.
4308 (init_pragma): Use cpp_register_deferred_pragma directly for
4310 * c-pragma.h (enum pragma_kind): New.
4311 (pragma_handler): New.
4312 (c_invoke_pragma_handler): Declare.
4313 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
4315 * c-common.h (c_common_pch_pragma): Update decl.
4316 * Makefile.in (c-parser.o): Update dependencies.
4317 (GTFILES): Add c-pragma.h.
4318 * c-parser.c (struct c_token): Add pragma_kind.
4319 (struct c_parser): Add in_pragma.
4320 (c_lex_one_token): Always initialize keyword and pragma_kind.
4321 Extract data for CPP_PRAGMA.
4322 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
4323 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
4324 Don't allow CPP_PRAGMA_EOL if in_pragma.
4325 (c_parser_consume_pragma): New.
4326 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
4327 (c_parser_skip_to_end_of_parameter): Likewise.
4328 (c_parser_skip_to_end_of_block_or_statement): Likewise.
4329 (c_parser_skip_to_pragma_eol): New.
4330 (c_parser_external_declaration): Handle CPP_PRAGMA.
4331 (c_parser_compound_statement_nostart): Likewise.
4332 (c_parser_statement_after_labels): Likewise.
4333 (c_parser_pragma): New.
4334 (pragma_lex): Likewise.
4335 (c_parser_pragma_pch_preprocess): New.
4336 (c_parser_new): Merge into ...
4337 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
4339 2006-01-04 Jeff Law <law@redhat.com>
4342 * tree-cfg.c (bsi_replace): Remove the original statement
4343 from the EH throw statement table.
4345 2006-01-04 Jakub Jelinek <jakub@redhat.com>
4347 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
4348 make the prototype extern "C" and add throw ().
4351 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
4352 and pos non-negative and pos + len <= 32.
4353 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
4354 drop pos + len < HOST_BITS_PER_WIDE_INT test.
4355 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
4358 * c-common.c (handle_vector_size_attribute): Reject zero vector size
4359 as well as sizes not multiple of component size.
4362 * function.c (instantiate_expr): New function.
4363 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
4364 walk its DECL_VALUE_EXPR with instantiate_expr.
4366 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
4367 DW_OP_deref{,_size} if address isn't going to be added.
4369 2006-01-04 Ben Elliston <bje@au.ibm.com>
4371 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
4372 * config/fp-bit.c: Likewise.
4374 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
4376 * dominance.c: Add comment about why we use DFS numbering
4379 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4380 Richard Henderson <rth@redhat.com>
4382 Merge from gomp-branch:
4383 * varasm.c (assemble_variable): Handle thread-local COMMON data.
4384 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
4386 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
4388 PR rtl-optimization/25578
4389 * combine.c (combine_simplify_rtx, force_to_mode): Don't
4390 pass a parameter to simplify_shift_const if changing ASHIFTRT
4393 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
4395 * builtins.c (get_builtin_sync_mem): New function.
4396 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4397 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
4398 Call get_builtin_sync_mem to generate mem rtx.
4400 2006-01-03 Richard Guenther <rguenther@suse.de>
4403 * stmt.c (add_case_node): Make sure to clear overflow flags
4406 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4408 Merge from gomp-branch.
4409 * config/sparc/sync.md: New file.
4410 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
4411 UNSPECV_LDSTUB): New constants.
4412 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
4413 * config/sparc/predicates.md (memory_reg_operand): New predicate.
4414 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
4417 2006-01-03 Roger Sayle <roger@eyesopen.com>
4419 * combine.c (reg_subword_p): New predicate to test whether the
4420 destination of a set refers to a subword/piece of a register.
4421 (try_combine): Generalize the code to merge the setting of a
4422 pseudo to a constant followed by a set of a subword of that
4423 register to a constant.
4425 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
4427 * basic-block.h (control_flow_graph): Change the type of
4428 x_label_to_block_map to VEC(basic_block,gc) *.
4429 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
4430 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
4432 * tree-ssa-propagate.c (cfg_blocks): Change the type to
4433 VEC(basic_block,heap) *.
4434 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
4435 ssa_prop_fini): Adjust the uses of cfg_blocks.
4437 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
4439 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
4441 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
4442 hashing trees instead of a pointer hash.
4443 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
4444 compare for MEM_EXPR.
4446 PR rtl-optimization/25130
4447 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
4448 when comparing MEMs for GCSE
4450 2006-01-03 Ben Elliston <bje@au.ibm.com>
4452 * targhooks.h (default_decimal_float_supported_p): Declare.
4453 * targhooks.c (default_decimal_float_supported_p): Define.
4454 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
4455 `default_decimal_float_supported_p'.
4456 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
4458 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
4460 * combine.c (apply_distributive_law <SUBREG>): Check
4461 TRULY_NOOP_TRUNCATION.
4463 2006-01-02 Geoffrey Keating <geoffk@apple.com>
4465 * dwarf2out.c (have_switched_text_section): Delete.
4466 (have_multiple_function_sections): New.
4467 (have_location_lists): Make 'bool'.
4468 (add_AT_loc_list): Use 'true' not '1'.
4469 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
4470 (output_loc_list): Use have_multiple_function_sections.
4471 (output_ranges): Likewise.
4472 (dwarf2out_begin_function): Set have_multiple_function_sections if
4474 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
4475 Check function_section rather than DECL_SECTION_NAME.
4476 (dwarf2out_finish): Use have_multiple_function_sections.
4477 Don't clear have_location_lists.
4479 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
4480 Jan Hubicka <jh@suse.cz>
4482 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
4483 case of conditional jump jumping to the next instruction.
4484 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
4485 cases of conditional jump jumping to the next instruction.
4487 2006-01-02 Jan Hubicka <jh@suse.cz>
4489 * i386.c (*_cost): Add COSTS_N_INSNS.
4490 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
4492 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
4495 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
4497 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4499 * config/arm/arm.c (all_fpus): Fix comment typo.
4500 * config/darwin.c: Likewise.
4501 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
4502 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
4503 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
4505 2006-01-01 David Edelsohn <edelsohn@gnu.org>
4507 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
4508 (rs6000_split_compare_and_swapqhi): New.
4509 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
4510 (sync_compare_and_swapqhi_internal): New.
4511 * config/rs6000/rs6000-protos.h: Declare.