1 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
3 * tree-if-conv.c (combine_blocks): Free the result of
6 2006-02-10 Jeff Law <law@redhat.com>
8 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10 PR tree-optimization/26213
11 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12 loop trying to follow SSA_NAME_VALUE chains.
14 2006-02-10 Richard Guenther <rguenther@suse.de>
16 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
17 deal with structures that end in implicitly variable sized arrays.
19 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
21 PR rtl-optimization/24762
22 * df-scan.c (df_bb_refs_record): Record correct registers defined on
25 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
27 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
28 (struct ivopts_data): Add regs_used field.
29 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
30 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
31 instead of loop_data->regs_used;
32 (free_loop_data): Do not free aux fields for loops.
33 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
34 and tree_ssa_iv_optimize_finalize.
36 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
38 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
40 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
43 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
44 computing the effective result type.
46 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
49 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
50 (tree_overlaps_hard_reg_set): Declare.
51 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
52 type and signature to match function type expected by walk_tree.
53 (tree_overlaps_hard_reg_set): New function.
54 (decl_conflicts_with_clobbers_p): Rename to:
55 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
56 Use tree_overlaps_hard_reg_set. Changed caller.
57 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
58 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
59 * cris.c (cris_md_asm_clobbers): Likewise.
61 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
63 * reload1.c (emit_input_reload_insns): Delete code that tries to
64 inherit using find_equiv_reg.
66 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
68 * c-common.h (flag_const_strings): Don't declare.
69 * c-common.c (flag_const_strings): Remove.
70 * c.opt (fconst_strings): Remove.
71 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
72 <OPT_Wwrite_strings>: Don't set flag_const_strings.
73 (c_common_init_options): Don't set flag_const_strings.
74 * doc/invoke.texi (-fno-const-strings): Remove documentation.
76 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
78 * arm.md (tlobits_cbranch): New pattern.
79 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
82 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
85 * tree-ssa-pre.c (create_component_ref_by_pieces):
86 Handle RETURN_DECL like VAR_DECL.
88 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
91 * fold-const.c (fold_indirect_ref_1): Fold
92 "*(foo *)&complexfoo" to "__real__ complexfoo"
93 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
95 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
97 * tree-flow-inline.h (var_can_have_subvars):
98 Volatile variables should not have subvariables.
100 2006-02-09 Diego Novillo <dnovillo@redhat.com>
103 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
104 multiplying unsigned values.
107 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
109 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
111 2006-02-08 Jason Merrill <jason@redhat.com>
114 * tree.def: Elaborate on difference from MODIFY_EXPR.
115 * doc/c-tree.texi (INIT_EXPR): Likewise.
116 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
117 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
118 (gimplify_target_expr): Likewise.
119 (gimplify_cond_expr): Remove target handling.
120 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
121 (gimplify_expr): Clobber it here.
122 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
123 Do return slot optimization if we have an INIT_EXPR.
126 * tree-inline.c (declare_return_variable): Also clear
127 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
130 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
133 * gimplify.c (gimplify_one_sizepos): Fix typo.
135 2006-02-08 Jeff Law <law@redhat.com>
137 PR tree-optimization/21417
138 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
139 across a backedge if the control statement at the end of the
140 block is data dependent on other statements in the same block.
141 (record_temporary_equivalences_from_stmts): Remove over-conservative
142 test for threading across backedges.
144 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
145 control statement, handle all three special cases in the same
146 manner as they all have the same desired solution. No longer
147 special case edge flag updating when the post dominator is
150 2006-02-08 Roger Sayle <roger@eyesopen.com>
152 * tree.def (CHAR_TYPE): Remove.
153 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
154 * dwarf2out.c (base_type_die, is_base_type): Likewise.
155 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
156 (gen_string_type_die): Delete unreachable function.
158 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
159 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
160 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
161 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
162 * builtins.c (type_to_class): Likewise.
163 * fold-const.c (fold_convert, build_range_check,
164 merge_ranges): Likewise.
165 * expr.c (count_type_elements): Likewise.
166 * c-pretty-print.c (pp_c_type_specifier): Likewise.
167 * stor-layout.c (layout_type): Likewise.
168 * ipa-type-escape.c (type_to_consider): Likewise.
169 * gimplify.c (omp_firstprivatize_type_sizes,
170 gimplify_type_sizes): Likewise.
171 * explow.c (promote_mode): Likewise.
172 * tree-sra.c (is_sra_scalar_type): Likewise.
173 * varasm.c (output_constant): Likewise.
174 * tree-inline.c (remap_type_1): Likewise.
175 * convert.c (convert_to_pointer, convert_to_real,
176 convert_to_integer, convert_to_complex): Likewise.
178 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
180 * df-scan.c (df_def_record_1): A set destination may
181 be a parallel regardless of mode.
183 2006-02-08 Roger Sayle <roger@eyesopen.com>
186 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
187 * config/mips/_tilib.c: Remove.
188 * config/fixtfdi.c: New libgcc source file.
189 * config/fixunstfdi.c: New source file.
190 * config/floatditf.c: New source file.
191 * config/floatunditf.c: New souce file.
192 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
193 files above instead of config/mips/_tilib.c.
194 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
196 2006-02-08 Jeff Law <law@redhat.com>
198 PR tree-optimization/26169
199 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
202 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
204 * df.h (DF_REG_SIZE): Return the length of the initialized
207 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
209 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
210 __muldf3): Return a correctly signed zero.
212 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
214 * passes.c (register_one_dump_file): Accept the current properties
215 instead of pass number. Adjust call to dump_register. Remove
217 (register_dump_files): Now a wrapper around...
218 (register_dump_files_1): ... this one. Do not modify the pass
220 (next_pass_1): Cosmetic fix.
221 (execute_todo): Keep second parameter only. Use curr_properties
222 instead of fetching it from the pass structure. Check and set
224 (execute_one_pass): Handle TODO_set_props. Use curr_properties
225 instead of fetching it from the pass structure. Fix calls to
226 execute_todo. Update curr_properties and initialize .vcg RTL dump
227 after running the pass. Reset last_verified.
228 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
230 (FIRST_AUTO_NUMBERED_DUMP): New.
231 (dump_register): Remove "num" parameter, assign it within the
233 (get_dump_file_name): Modify template for dumps.
234 * tree-dump.h (dump_register): Adjust prototype.
235 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
236 (PROP_trees): Add PROP_gimple_lomp.
237 (TODO_set_props): New.
238 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
239 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
240 * cfgexpand.c (pass_expand): Destroy PROP_trees.
242 2006-02-08 Jakub Jelinek <jakub@redhat.com>
244 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
245 (sparc64-*-linux*): Likewise.
246 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
247 * config/sparc/t-linux: New file.
248 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
249 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
250 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
251 -m32 -mlong-double-128.
253 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
254 * config/alpha/t-linux: New file.
255 * config/alpha/libgcc-alpha-ldbl.ver: New file.
257 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
258 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
259 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
260 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
261 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
262 (CPP_ARCH32_SPEC): Remove.
264 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
266 PR tree-optimization/26145
267 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
270 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
273 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
274 >= 240000 when generating code for SOM runtime.
275 (output_indirect_call): Don't use "b,l" instruction for indirect calls
276 to $$dyncall when generating code for SOM runtime..
278 2006-02-07 Dirk Mueller <dmueller@suse.com>
281 * doc/invoke.texi (-Wsequence-point): Update documentation
282 that -Wsequence-point is implemented for C++ as well.
284 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
286 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
287 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
288 (LIB_SPEC): Likewise.
289 * doc/invoke.texi (SPARC options): Document -pthread.
291 2006-02-07 Geoffrey Keating <geoffk@apple.com>
293 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
296 2006-02-07 Roger Sayle <roger@eyesopen.com>
298 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
299 Correct comment describing BOOLEAN_TYPE.
301 2006-02-07 Dirk Mueller <dmueller@suse.com>
303 * c.opt: C++ frontend supports -Wdiv-by-zero.
304 * c-opts.c (c_common_handle_option): Remove dead case.
306 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
308 * configure.ac (TLS assembler check): Do not enable TLS by
309 default on SPARC/Solaris before version 10.
310 * configure: Regenerate.
312 2006-02-07 David Edelsohn <edelsohn@gnu.org>
314 * doc/invoke.texi (xl-compat): Document conversion and support
317 2006-02-07 Jeff Law <law@redhat.com>
319 * tree-vrp.c (find_conditional_asserts): Update comments.
320 (simplify_stmt_for_jump_threading): New.
321 (identify_jump_threads, finalize_jump_threads): New.
322 (vrp_finalize): Call identify_jump_threads.
323 (execute_vrp): Call finalize_jump_threads.
324 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
325 (vrp_element, vrp_data, vrp_element_p): Remove.
326 (vrp_hash_elt, vrp_variables_stack): Remove.
327 (vrp_hash, vrp_eq, record_range): Remove.
328 (simplify_cond_and_lookup_avail_expr): Remove.
329 (extract_range_from_cond): Remove.
330 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
331 (simplify_stmt_for_jump_threading): New.
332 (dom_thread_across_edge): New wrapper.
333 (tree_ssa_dominator_optimize): No longer initialize or
334 finalize any of the VRP datastructures. Remove iteration
335 step and simplify as a result of removal of iteration step.
336 (pass_dominator): Perform a cfg cleanup after DOM.
337 (dom_opt_finalize_block): Use the new common routines
338 for threading jumps. Simplify stack management slightly.
339 No longer need to unwind VRP state.
340 (record_equivalences_from_incoming_edge): No longer record
342 (eliminate_redundant_computations): No longer call
343 simplify_cond_and_lookup_avail_expr.
344 * tree-flow.h (potentially_threadable_block): Prototype.
345 (thread_across_edge): Likewise.
346 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
347 (tree-ssa-threadedge.o): Add dependencies.
348 * tree-ssa-threadedge.c: New file.
349 * passes.c (init_optimization_passes): Merge PHIs before
350 calling VRP. Run VRP again late in the SSA optimization pipeline.
352 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
354 * df-core.c (df_set_blocks): Do not dereference function pointers.
355 (df_finish1): Likewise.
356 (df_hybrid_search_forward): Likewise.
357 (df_hybrid_search_backward): Likewise.
358 (df_iterative_dataflow): Likewise.
359 (df_analyze_problem): Likewise.
360 (df_compact_blocks): Likewise.
362 * df-scan.c (df_rescan_blocks): Likewise.
363 (df_record_entry_block_defs): Likewise.
365 * genconditions.c (write_conditions): Guard the definition of
366 'insn_conditions' with the check on GCC version.
367 (write_writer): Guard the traversal 'insn_conditions' with
368 the check on GCC version.
370 2006-02-07 Richard Guenther <rguenther@suse.de>
374 2006-01-30 Richard Guenther <rguenther@suse.de>
376 * gimplify.c (gimplify_target_expr): Handle easy cases
377 without creating a temporary.
379 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
381 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
382 use of float in probability computations. Use edge probabilities
383 in place of statically computed probabilities.
384 (min_spec_prob): New static variable.
385 (schedule_insns): Initialize it.
386 (GET_SRC_PROB): Removed.
387 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
389 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
392 * config/ia64/unwind-ia64.c: Revert last change.
393 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
394 (INCOMING_FRAME_SP_OFFSET): Define.
396 2006-02-06 Roger Sayle <roger@eyesopen.com>
398 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
400 2006-02-07 Ben Elliston <bje@au.ibm.com>
402 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
403 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
404 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
405 (ix86_return_in_memory): Handle TDmode.
406 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
407 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
409 2006-02-06 Richard Sandiford <richard@codesourcery.com>
411 * reorg.c (dbr_schedule): Use dump_file instead of file.
413 2006-02-06 Steve Ellcey <sje@cup.hp.com>
416 * config/ia64/predicates.md (extr_len_operand): New predicate.
417 * config/ia64/ia64.md (extv): Tighten constraints.
419 (*tbit_and_2): Ditto.
420 (*tbit_and_3): Ditto.
426 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
429 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
431 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
433 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
434 loop_optimizer_init and loop_optimizer_finalize
435 * tree-ssa-sink.c (execute_sink_code): Ditto.
436 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
437 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
438 tree_ssa_loop_done): Ditto.
439 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
440 * sched-ebb.c: Include output.h.
441 (schedule_ebbs): Do not use dump argument.
442 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
443 * loop.c (loop_dump_stream): Removed.
444 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
446 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
447 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
448 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
449 loop_iterations, strength_reduce, record_biv, record_giv,
450 final_giv_value, check_final_value, check_ext_dependent_givs,
451 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
452 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
453 dump_file instead of loop_dump_stream.
454 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
456 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
458 * flow.c (life_analysis, rest_of_handle_life): Ditto.
459 * haifa-sched.c: Include output.h
460 (schedule_insns, sched_init): Do not use dump argument.
461 * mode-switching.c (optimize_mode_switching): Ditto.
462 * modulo-sched.c (stats_file): Removed.
463 (print_node_sched_params): Do not call argument dump_file.
464 (sms_schedule_by_order, loop_canon_p, sms_schedule,
465 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
467 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
469 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
470 rtl_loop_init, rtl_loop_done): Ditto.
471 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
472 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
474 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
475 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
476 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
477 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
478 * emit-rtl.c (renumber_insns): Ditto.
479 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
480 expand_gimple_basic_block, tree_expand_cfg): Ditto.
481 * regclass.c (regclass): Ditto.
482 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
483 remove_ssa_form, rewrite_out_of_ssa): Ditto.
484 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
485 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
487 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
488 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
490 * gcse.c (gcse_file, debug_stderr): Removed.
491 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
492 rest_of_handle_gcse): Do not use dump argument.
493 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
494 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
495 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
496 compute_code_hoist_vbeinout, compute_code_hoist_data,
497 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
498 compute_store_table, build_store_vectors, insert_insn_start_bb,
499 insert_store, remove_reachable_equiv_notes, replace_store_insn,
500 store_motion): Use dump_file instead of gcse_file.
501 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
502 * profile.c (profile_dump_file): Removed.
503 (branch_prob): Use dump_file instead of profile_dump_file.
504 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
506 * tree-ssa-copy.c (dump_copy_of): Ditto.
507 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
508 dump file to life_analysis.
509 * bt-load.c (branch_target_load_optimize): Ditto.
510 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
512 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
513 regclass, dbr_schedule): Declaration changed.
514 * sched-int.h (sched_init): Declaration changed.
515 * tree-profile.c (tree_profile_dump_file): Removed.
516 (tree_profile_hooks): Removed profile_dump_file hook.
517 * rtl-profile (rtl_profile_dump_file): Removed.
518 (rtl_profile_hooks): emoved profile_dump_file hook.
519 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
521 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
522 * tree-cfg.c (build_tree_cfg): Ditto.
523 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
524 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
526 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
527 life_analysis and schedule_insns.
528 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
530 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
532 * config/mips/mips.c (mips_reorg): Ditto.
533 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
536 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
538 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
539 (s390_mangle_fundamental_type): New.
540 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
543 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
544 (alpha_mangle_fundamental_type): New.
545 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
548 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
550 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
552 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
553 (sparc_mangle_fundamental_type): New.
555 2006-02-06 Jakub Jelinek <jakub@redhat.com>
557 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
558 (s390x-*-linux*): Likewise.
559 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
560 * config/s390/t-linux: New file.
562 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
564 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
565 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
567 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
569 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
570 (ANTIC_SAFE_LOADS): New macro.
571 (find_or_generate_expression): Add prototype.
572 (set_contains_value): Allow null set for sake of not always having
573 to allocate ANTIC_SAFE_LOADS.
574 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
575 Allow COMPONENT_REF too.
576 (valid_in_set): Allow COMPONENT_REF.
577 Check ANTIC_SAFE_LOADS too.
578 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
579 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
581 (can_PRE_operation): Add COMPONENT_REF.
582 (create_component_ref_by_pieces): New function.
583 (create_expression_by_pieces): Use create_component_ref_by_pieces.
584 (insert_aux): Move AGGREGATE_TYPE_P check here.
585 (compute_avail): Set bb local stmt uids.
586 (pass_pre): Use TODO_update_ssa_only_virtuals.
588 2006-02-06 Ben Elliston <bje@au.ibm.com>
590 * configure.ac: Unconditionally disable decimal float by default.
591 * configure: Regenerate.
593 2006-02-06 Ben Elliston <bje@au.ibm.com>
595 * read-rtl.c (read_name): Terminate reading on EOF.
597 2006-02-06 Ben Elliston <bje@au.ibm.com>
599 * dfp.c (decimal_real_arithmetic): Change second argument type
600 from int to enum tree_code. Do not always return true, but now
601 return result of any call to decimal_do helper functions.
602 * dfp.h (decimal_real_arithmetic): Update prototype.
604 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
606 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
608 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
611 * tree-cfg.c (cleanup_dead_labels): Also don't remove
614 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
616 * tree-vrp.c (cfg_loops): Removed.
617 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
618 Use current_loops instead of cfg_loops. Pass flags to
620 * cfgloopmanip.c (fix_loop_structure): Update only available
622 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
624 * modulo-sched.c (build_loops_structure): Removed.
625 (sms_schedule): Use loop_optimizer_init.
626 * loop-init.c (loop_optimizer_init): Use flags to determine
627 which properties of loops to prepare.
628 (rtl_loop_init): Pass flags to loop_optimizer_init.
629 * tree-ssa-sink.c (execute_sink_code): Ditto.
630 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
631 * tree-ssa-pre.c (init_pre): Ditto.
632 * cfgloop.h (LOOPS_NORMAL): New.
633 (loop_optimizer_init): Declaration changed.
635 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
637 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
638 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
640 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
642 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
644 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
645 * pa/t-pa64: Delete quadlib.c rule.
646 * pa/x-ada: Revert last change.
647 * pa/t-pa: Revert last change. Delete quadlib.c rule.
649 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
651 PR rtl-optimization/26087
652 * rtlanal.c (canonicalize_condition): Do not cross basic block
655 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
658 * config/ia64/ia64.c: Include debug.h.
659 (MAX_ARTIFICIAL_LABEL_BYTES): New.
660 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
661 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
662 (process_epilogue, process_set, process_for_unwind_directive):
663 Output unwind info only if requested. Add CFA info if requested.
664 Add new arguments as needed. Adjust callers.
665 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
667 (DWARF2_FRAME_INFO): Define to zero.
668 * config/ia64/unwind-ia64.c: Remove code that compensated for
669 the CFA offset error fixed above.
670 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
671 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
672 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
673 -funwind-tables and -fexceptions to enable frame info.
674 (dwarf2out_frame_init): Define initial CFA even if
675 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
676 DWARF2_UNWIND_INFO is nonzero, not just defined.
677 (dwarf2out_frame_finish): Output non-EH call frame info only
678 if DWARF2_FRAME_INFO is nonzero.
679 (convert_cfa_to_loc_list,
680 compute_frame_pointer_to_cfa_displacement): Define even if
681 unwind info is not supported.
682 (gen_subprogram_die): Use the above unconditionally. Remove
683 legacy alternate code.
684 * toplev.c (compile_file): Compile in call to
685 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
686 (lang_dependent_init): Ditto for dwarf2out_frame_init.
688 2006-02-04 David Edelsohn <edelsohn@gnu.org>
689 Jakub Jelinek <jakub@redhat.com>
691 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
692 IBM extended float format long double as "g" on powerpc*-linux.
694 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
697 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
698 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
700 2006-02-03 Jason Merrill <jason@redhat.com>
703 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
706 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
707 on the return slot if it's an NRV.
709 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
711 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
712 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
713 rewrite_use): Do not handle USE_OUTER.
714 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
715 add_iv_outer_candidates, may_replace_final_value,
716 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
717 (find_interesting_uses_op): Functionality of
718 find_interesting_uses_outer_or_nonlin moved here.
719 (find_interesting_uses_outside): Use find_interesting_uses_op.
721 2006-02-03 Alan Modra <amodra@bigpond.net.au>
724 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
726 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
727 Ulrich Weigand <uweigand@de.ibm.com>
730 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
731 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
732 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
733 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
735 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
736 (s390_rtx_costs): Use the new fields to calculate rtx costs.
737 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
738 Define secondary reloads for TFmode moves.
739 (constant_modes): Add TFmode.
740 (NR_C_MODES): Set to 8.
741 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
743 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
744 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
745 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
746 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
747 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
748 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
749 (FPR mode macro): Add TFmode.
750 (DSF mode macro): New.
751 (<de>, <dee> mode attributes): Removed.
752 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
753 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
754 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
755 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
756 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
757 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
758 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
759 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
760 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
761 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
762 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
763 "*negabs<mode>2", "sqrt<mode>2"):
764 Changed <de> to <xde>. R constraint replaced by <Rf>.
765 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
767 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
768 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
769 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
771 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
772 "extenddftf2", "extendsftf2"): New expanders.
773 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
774 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
775 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
776 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
778 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
779 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
780 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
781 __floatditf): Add a GCC_4.1.0 symbol version tag.
782 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
785 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
788 * config/i386/i386.c (ix86_function_ok_for_sibcall):
789 Use targetm.binds_local_p instead of TREE_PUBLIC.
791 2006-02-02 Roger Sayle <roger@eyesopen.com>
793 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
794 on INTEGER_TYPEs to indicate that it denotes a character type.
795 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
796 signed_char_type_node, unsigned_char_type_node and char_type_node.
797 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
798 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
799 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
801 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
802 Daniel Berlin <dberlin@dberlin.org>
804 * tree-tailcall.c (arg_needs_copy_p): New function.
805 (eliminate_tail_call): Use arg_needs_copy_p.
806 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
807 (add_virtual_phis): New function.
809 2006-02-02 Jakub Jelinek <jakub@redhat.com>
811 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
812 #ignore instead of #scratch for %g7 .register directive.
814 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
816 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
819 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
821 * flow.c (calculate_global_regs_live): Assert that there aren't any
824 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
826 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
828 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
829 bsi_after_labels iterator.
830 * tree-if-conv.c (find_phi_replacement_condition,
831 replace_phi_with_cond_modify_expr): Likewise.
832 * tree-scalar-evolution.c (scev_const_prop): Likewise.
833 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
835 2006-02-02 Diego Novillo <dnovillo@redhat.com>
837 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
839 2006-02-02 Diego Novillo <dnovillo@redhat.com>
842 * tree-cfg.c (move_block_to_fn): Clear out the basic block
843 array after growing it.
845 2006-02-01 Steve Ellcey <sje@cup.hp.com>
848 * fold-const.c (fold_checksum_tree): Change type of buf.
850 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
852 * reload.c (push_secondary_reload): Initialize t_icode.
854 2006-02-01 Jakub Jelinek <jakub@redhat.com>
856 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
857 -msoft-float -mlong-double-128 only issue a warning, but don't
858 swich to DFmode long double.
860 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
862 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
863 has a constant equivalent, iterate over equivalents for arg0,
864 calling simplify_relational_operation and if there's a result
865 cheaper than X, apply fold_rtx and return the result.
867 2006-02-01 Jan Hubicka <jh@suse.cz>
869 * opts.c (no_unit_at_a_time_default): New global variable.
870 (decode_options): Use it.
871 * opts.h (no_unit_at_a_time_default): Declare.
873 2006-02-01 Paul Brook <paul@codesourcery.com>
875 * function.c (assign_parm_setup_reg): Use function argument promotion
877 * expr.c (expand_expr_real_1): Use function argument promotion rules
880 2006-02-01 Steve Ellcey <sje@cup.hp.com>
882 * gcc.c (process_command): Change j to 'unsigned int'.
884 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
887 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
888 Use the corrected index for the character
889 out of the string constant.
891 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
893 * mode-switching.c (optimize_mode_switching): Fix size
894 allocated for bb_info[n_entities].
896 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
898 * gcc.c (main): Correct type that is allocated for
901 2006-01-31 Jakub Jelinek <jakub@redhat.com>
903 * config/s390/s390.c (init_alignment_context): Set
904 ALIAS_SET_MEMORY_BARRIER on the MEM.
905 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
907 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
910 * loop-unroll.c (unroll_loop_runtime_iterations): Free
912 * tree-ssa-live.c (type_var_init): Allocate bitmap after
915 2006-01-31 Marcin Dalecki <martin@dalecki.de>
917 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
918 * regrename.c: Ditto.
919 * tree-ssa-loop-im.c: Ditto.
920 * tree-dump.c: Ditto.
921 * tree-complex.c: Ditto.
923 * tree-ssa-threadupdate.c: Ditto.
925 * java/class.c: Ditto.
926 * java/jcf-parse.c: Ditto.
927 * java/resource.c: Ditto.
928 * java/except.c: Ditto.
929 * java/jvspec.c: Ditto.
930 * java/jcf-write.c: Ditto.
931 * java/jcf-path.c: Ditto.
932 * java/gjavah.c: Ditto.
933 * java/zextract.c: Ditto.
934 * java/jcf-io.c: Ditto.
936 * java/buffer.c: Ditto.
937 * java/lang.c: Ditto.
938 * java/parse-scan.y: Ditto.
941 * cfgloopmanip.c: Ditto.
942 * postreload-gcse.c: Ditto.
943 * tree-ssa-loop-manip.c: Ditto.
944 * postreload.c: Ditto.
945 * tree-ssa-loop-ch.c: Ditto.
949 * diagnostic.c: Ditto.
951 * genoutput.c: Ditto.
954 * cfgloopanal.c: Ditto.
955 * objc/objc-act.c: Ditto.
957 * genextract.c: Ditto.
958 * genautomata.c: Ditto.
959 * pretty-print.c: Ditto.
961 * cgraphunit.c: Ditto.
964 * haifa-sched.c: Ditto.
965 * dominance.c: Ditto.
967 * tree-ssa-loop-ivopts.c: Ditto.
969 * mode-switching.c: Ditto.
970 * modulo-sched.c: Ditto.
972 * ipa-pure-const.c: Ditto.
974 * fix-header.c: Ditto.
976 * tree-stdarg.c: Ditto.
977 * ipa-utils.c: Ditto.
978 * loop-init.c: Ditto.
979 * ipa-inline.c: Ditto.
982 * alloc-pool.c: Ditto.
983 * dwarf2out.c: Ditto.
985 * genattrtab.c: Ditto.
986 * tree-ssa-loop-ivcanon.c: Ditto.
990 * fortran/gfortranspec.c: Ditto.
992 * local-alloc.c: Ditto.
993 * langhooks.c: Ditto.
995 * tree-vectorizer.c: Ditto.
997 * ipa-type-escape.c: Ditto.
999 * tree-if-conv.c: Ditto.
1002 * tree-data-ref.c: Ditto.
1003 * loop-unroll.c: Ditto.
1004 * treelang/treetree.c: Ditto.
1007 * ggc-common.c: Ditto.
1009 * coverage.c: Ditto.
1011 * tree-cfgcleanup.c: Ditto.
1012 * tree-ssa-pre.c: Ditto.
1013 * cfgcleanup.c: Ditto.
1014 * loop-invariant.c: Ditto.
1016 * ipa-prop.c: Ditto.
1017 * print-tree.c: Ditto.
1018 * conflict.c: Ditto.
1019 * ggc-page.c: Ditto.
1020 * sched-deps.c: Ditto.
1021 * regclass.c: Ditto.
1022 * tree-object-size.c: Ditto.
1024 * bb-reorder.c: Ditto.
1025 * resource.c: Ditto.
1026 * var-tracking.c: Ditto.
1028 * df-problems.c: Ditto.
1029 * reg-stack.c: Ditto.
1032 * sched-rgn.c: Ditto.
1033 * tree-ssa-structalias.c: Ditto.
1034 * tree-ssa-reassoc.c: Ditto.
1035 * config/darwin-c.c: Ditto.
1036 * config/darwin.c: Ditto.
1037 * config/arm/arm.c: Ditto.
1039 * collect2.c: Ditto.
1042 2006-01-31 Nicolas Pitre <nico@cam.org>
1044 * arm.md (smaxsi3): Make aware of smax_m1.
1047 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
1049 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1051 2006-01-31 Richard Guenther <rguenther@suse.de>
1053 * doc/invoke.texi (-msselibm): Document.
1054 * target.h (expand_library_builtin): New target hook.
1055 * builtins.c (expand_builtin): Use expand_library_builtin.
1056 (default_expand_library_builtin): New function.
1057 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1058 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1059 (link_gcc_math_spec): Declare.
1060 (static_specs): Add link_gcc_math_spec.
1061 * expr.h (default_expand_library_builtin): Declare.
1062 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1063 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1064 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1065 * config/i386/i386.opt (msselibm): New target option.
1066 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1067 (ix86_init_sse_abi_builtins): New function.
1068 (ix86_expand_library_builtin): Likewise.
1069 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1070 (override_options): Handle error conditions wrt -msselibm.
1071 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1072 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1073 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1076 2006-01-31 Richard Guenther <rguenther@suse.de>
1077 Paolo Bonzini <bonzini@gnu.org>
1079 * doc/install.texi (--disable-libgcc-math): Document.
1081 2006-01-30 Marcin Dalecki <martin@dalecki.de>
1083 * expr.h (expand_normal): new inline function.
1084 * builtins.c: use it, use EXPAND_NORMAL explicitely.
1086 * dwarf2out.c: use it.
1091 * config/sparc/sparc.c: use it.
1092 * config/i386/i386.c: use it.
1093 * config/rs6000/rs6000.c: use it.
1094 * config/arm/arm.c: use it.
1095 * config/mips/mips.c: use it.
1096 * stmt.c: use it, use EXPAND_NORMAL explicitely.
1098 2006-01-30 Roger Sayle <roger@eyesopen.com>
1100 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1101 argv to the appropriate type.
1103 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
1105 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1108 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
1111 * config/s390/s390.c (struct machine_function): New flag
1112 decomposed_literal_pool_addresses_ok_p.
1113 (s390_reorg): Set it before final stage of literal pool transforms.
1114 (s390_decompose_address): Only accept displacements of the form
1115 (minus (label_ref ...) (label_ref ...)) if that flag is set.
1117 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
1119 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1120 the comparison routine return.
1122 2006-01-30 Michael Matz <matz@suse.de>
1124 * global.c (find_reg): Only evict for global regs.
1125 Take n_refs into account and dump more info.
1127 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
1130 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1131 (pragma_trap, pragma_nosave_low_regs): Likewise.
1132 (current_function_anonymous_args): Likewise.
1133 (sh_deferred_function_attributes): New variable.
1134 (sh_deferred_function_attributes_tail): Likewise.
1135 (print_operand): For '@', look up trap_exit attribute.
1136 (calc_live_regs): Look up trapa_handler attribute. For trapa
1137 handlers, save/restore fpscr, but don't do any other
1138 interrupt-specific saves.
1139 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1140 Fix check for partially saved registers to check for SHmedia.
1141 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1142 (sh_output_function_epilogue): Don't clear any of the removed
1144 (sh_insert_attributes): Don't check pragma_interrupt.
1145 Insert deferred attributes. Check that interrupt attribute is
1146 present for other attributes that require its presence.
1147 (sh_attribute_table): Add new attributes trapa_handler and
1149 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1150 Don't check for pragma_interrupt. Don't store argument.
1151 * sh.h (pragma_interrupt, sp_switch): Don't declare.
1152 (sh_deferred_function_attributes): Declare.
1153 (sh_deferred_function_attributes_tail): Likewise.
1154 * sh.md (sp_switch_1): Add operand. Change generator caller.
1155 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1156 (*return_i): Don't use when trap_exit attribute is in effect.
1157 (*return_trapa): New insn pattern.
1159 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1160 setting c_target_objs and cxx_target_objs.
1161 * t-sh: Add rule for sh-c.o.
1163 2006-01-30 Richard Guenther <rguenther@suse.de>
1166 * gimplify.c (gimplify_target_expr): Handle easy cases
1167 without creating a temporary.
1169 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
1171 * vec.h (safe_grow): Remove duplicated line.
1173 2006-01-29 Diego Novillo <dnovillo@redhat.com>
1176 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1177 (expand_omp): ... here.
1178 (expand_omp_parallel): Only remove barriers for combined
1179 parallel+workshare constructs.
1181 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
1185 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1186 * tree.c (build_qualified_type): Chain the new type to the original
1187 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1188 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1189 (build_pointer_type_for_mode): Only return unqualified types.
1190 (build_reference_type_for_mode): Likewise.
1192 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
1194 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1195 * Makefile.in (CXX_COMPAT_WARN): Define.
1196 * configure: Regenerate.
1198 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
1201 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1204 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1206 * toplev.c: Fix thinko.
1208 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1209 Marcin Dalecki <martin@dalecki.de>
1211 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1212 (push_srcloc): Use XNEW.
1213 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1215 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1217 * df-core.c (df_set_blocks): Deleted all variable.
1219 2006-01-28 Ian Lance Taylor <ian@airs.com>
1221 * cgraphunit.c (cgraph_assemble_pending_functions): Call
1222 cgraph_output_pending_asms.
1224 2006-01-28 Zack Weinberg <zackw@panix.com>
1226 * c.opt: Add -W(no-)overlength-strings.
1227 * doc/invoke.texi: Document it.
1228 * c-opts.c (c_common_handle_option): -pedantic implies
1229 -Woverlength-strings, if not explicitly disabled already.
1230 (c_common_post_options): -Woverlength-strings defaults to off, and
1231 is always off for C++.
1232 * c-common.c (fix_string_type): Issue warning about strings longer
1233 than is portable only if warn_overlength_strings. Rearrange code
1234 a little for clarity.
1235 * configure.in: Check for -Wno-overlength-strings as well before
1236 enabling -pedantic in stage 1.
1237 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1238 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1240 * genconditions.c (write_header, write_one_condition)
1241 (write_conditions, write_writer): Consolidate very long strings
1242 that were broken up to fit in C89 portable limit. Don't use
1243 printf when fputs will do.
1245 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
1247 * combine.c (simplify_comparison <AND>): Check
1248 TRULY_NOOP_TRUNCATION before start using a subreg.
1250 * config/mips/mips.md (*branch_zero<mode>,
1251 *branch_zero<mode>_inverted, *branch_equality<mode>,
1252 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1253 Remove mode check from comparisons.
1255 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
1257 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1259 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1261 * expmed.c (const_mult_add_overflow_p): Remove.
1262 * expr.h: Remove the prototype for const_mult_add_overflow_p.
1264 * recog.c (validate_replace_rtx_subexp): Remove.
1265 * recog.h: Remove the prototype for
1266 validate_replace_rtx_subexp.
1268 * integrate.h: Remove the prototype for
1269 copy_decl_for_inlining.
1270 * rtl.h: Remove the prototype for mark_constant_function.
1271 * tree-vectorizer.h: Remove the prototype for
1272 vect_strip_conversion.
1274 * modulo-sched.c (create_partial_schedule,
1275 free_partial_schedule, reset_partial_schedule): Make them
1278 * hooks.c (hook_bool_rtx_int_false): Remove.
1279 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1281 2006-01-28 David Edelsohn <edelsohn@gnu.org>
1283 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1284 and -mlong-double-128 are incompatible.
1285 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1286 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1287 (TARGET_LIBGCC2_CFLAGS): Define.
1288 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1289 (TARGET_LIBGCC2_CFLAGS): Same.
1290 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1292 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1295 * c-typeck.c (build_binary_op): Perform implicit casts of
1296 operands before shortening them.
1298 * cfgloopmanip.c (split_loop_bb): Remove.
1299 * cfgloop.h: Remove the prototype for split_loop_bb.
1301 * cfgloop.c (flow_loop_outside_edge_p): Remove.
1302 * cfgloop.h: Remove the prototype for
1303 flow_loop_outside_edge_p.
1305 * emit-rtl.c (init_virtual_regs): Make it static.
1306 * function.h: Remove the prototype for init_virtual_regs.
1308 * recog.c (peephole2_optimize): Make it static.
1309 * recog.h: Remove the prototype for peephole2_optimize.
1311 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1313 * df-scan.c (df_record_entry_block_defs): Check if
1314 INCOMING_RETURN_ADDR_RTX is defined.
1316 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
1317 Kenneth Zadeck <zadeck@naturalbridge.com>
1319 PR rtl-optimization/24762
1320 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1321 * targhooks.c (hook_void_bitmap): New hook prototype.
1322 * targhoohs.h (hook_void_bitmap): Ditto.
1323 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1324 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1325 * target.h (live_on_entry): New function pointer.
1326 * df-scan.c (df_all_hard_regs): Removed.
1327 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1328 (df_scan_free_internal): Added df->entry_block_defs.
1329 (df_scan_alloc): Ditto.
1330 (df_scan_dump): Ditto.
1331 (df_uses_record): Plumbed flag field properly thru calls.
1332 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1333 This part fixes PR24762.
1334 (df_bb_refs_record): Added code to make the frame and arg
1335 pointers live in EH blocks.
1336 (df_refs_record): Added call to df_record_entry_block_defs.
1337 (df_record_entry_block_defs): New function.
1338 * df-core.c: Added comments to describe new artifical defs.
1339 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1340 (entry_block_defs): New field in struct df.
1341 (df_all_hard_regs): Deleted.
1342 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1343 * df-problems.c (df_ru_bb_local_compute_process_def):
1344 Added code to handle artifical defs in the entry to a function.
1345 (df_ru_bb_local_compute): Ditto.
1346 (df_rd_bb_local_compute_process_def): Ditto.
1347 (df_rd_bb_local_compute): Ditto.
1348 (df_lr_bb_local_compute): Ditto.
1349 (df_ur_bb_local_compute): Ditto.
1350 (df_urec_bb_local_compute): Ditto.
1351 (df_chain_create_bb): Ditto.
1352 (df_ur_local_finalize): Removed entry.
1353 (df_urec_init): Ditto.
1354 (df_urec_local_finalize): Ditto.
1355 (df_ri_bb_compute): Added detection of last use of pseudos.
1356 * Makefile.in (df-scan.o): Updated dependencies.
1357 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1358 * config/mips/mips.c (mips_set_live_on_entry): Added.
1359 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1361 * dce.c (marked_insn_p): Added code to handle artifical defs.
1363 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1365 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1367 (_mm_cvtsi128_si64): Likewise.
1368 (_mm_cvtsd_si64): Likewise.
1369 (_mm_cvttsd_si64): Likewise.
1370 (_mm_cvtsi64_sd): Likewise.
1371 (_mm_cvtsi64_si128): Likewise.
1372 * config/i386/mmintrin.h (_m_from_int64): Likewise.
1373 (_mm_cvtsi64_m64): Likewise.
1374 (_m_to_int64): Likewise.
1375 (_mm_cvtm64_si64): Likewise.
1376 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1377 (_mm_cvttss_si64): Likewise.
1378 (_mm_cvtsi64_ss): Likewise.
1379 (_mm_cvtss_f32): Likewise.
1381 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
1383 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1384 for pragma redefine_extname.
1386 2006-01-27 Jakub Jelinek <jakub@redhat.com>
1389 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1390 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1391 -mno-minimal-toc to previous content.
1392 (bispecs): Remove goal.
1393 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1394 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1395 compatibility aliases on powerpc-*-*gnu*.
1396 * config/rs6000/libgcc-ppc-glibc.ver: New file.
1397 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1398 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1399 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1400 (ldblspecs): New goal.
1401 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1402 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1404 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1405 L_sf_to_tf or L_df_to_tf is defined.
1407 2006-01-27 David Edelsohn <edelsohn@gnu.org>
1408 Alan Modra <amodra@bigpond.net.au>
1411 * config/rs6000/linux.h (POWERPC_LINUX): Define.
1412 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1413 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1414 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1415 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1416 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
1417 (rs6000_override_options): Initialize rs6000_ieeequad.
1418 Initialize TFmode format to ibm_extended_format if not
1420 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
1422 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
1423 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
1424 (function_arg_advance): IBM long double passed in two FPRs, not
1426 (function_arg): IBM long double passed in FPRs.
1427 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
1428 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
1429 Only multireg GPR aligned.
1430 (rs6000_init_libfuncs): Enable IBM long double functions if not
1432 (rs6000_generate_compare): Use IBM long double compare if not
1434 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
1435 (TARGET_IEEEQUAD): Define.
1436 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
1437 not TARGET_IEEEQUAD.
1438 * config/rs6000/rs6000.md: Enable TFmode patterns if
1440 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
1441 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1442 and -mlong-double-128 are incompatible.
1443 * doc/invoke.texi (-mabi): Collect options together. Add
1444 ibmlongdouble and ieeelongdouble.
1446 2006-01-27 Richard Sandiford <richard@codesourcery.com>
1448 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
1450 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
1451 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
1452 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
1453 * rtl.h (rtunion_def): Remove rt_ptr.
1455 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
1456 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
1457 * config/i386/winnt.c (i386_pe_mark_dllexport)
1458 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
1460 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
1462 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
1464 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1468 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
1469 pthread_key_delete. From John David Anglin. gthrw-ify
1470 pthread_getunique_np only if it it's not a macro. Delete
1472 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
1473 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
1474 __gthread_objc_condition_signal, __gthread_key_delete): Add
1475 "__attribute__ ((__unused__))" to unused arguments.
1476 (__gthread_recursive_mutex_init_function): Add missing return.
1477 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
1478 gthr-posix95.h: Use macro-based approach for name redirection
1479 on targets missing weakref.
1481 2006-01-26 Zack Weinberg <zackw@panix.com>
1483 * genconditions.c (write_header): In generated code, #ifdef out
1484 all includes and fake declarations, except includes of bconfig.h
1485 and system.h, unless GCC_VERSION >= 3001. Do not include
1486 gensupport.h in any case.
1487 (write_conditions): Generate a definition of struct c_test. Add
1488 a comment to the generated #endif.
1489 (write_one_condition): Escape backslashes in string too.
1490 (write_writer): Generated code must escape backslashes and quote
1491 marks (but not newlines) in the strings it writes.
1492 * Makefile.in (build/gencondmd.o): Update dependencies.
1494 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1497 * Makefile.in (insn-automata.o): Add header file dependencies.
1498 * genautomata.c: Add includes.
1500 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1503 * Makefile.in (insn-automata.o): Add -Wno-error flag.
1505 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1507 * configure.ac: Expect target tools paths to be passed from the toplevel
1508 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
1510 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
1512 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1515 * c.opt (Wpointer-sign): Init to -1.
1516 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
1517 OPT_pedantic, to 0 otherwise.
1518 * doc/invoke.texi: Update.
1520 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1522 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
1523 constants provided by 80387 instructions in the destination mode.
1525 2006-01-26 Richard Guenther <rguenther@suse.de>
1526 Andrew Pinski <pinskia@physics.uc.edu>
1529 partial PR tree-opt/17064
1530 * tree-ssa-structalias.c (intra_create_variable_infos):
1531 Create heap variables for incoming parameters if
1532 flag_argument_noalias > 1.
1533 (find_what_p_points_to): Look through default defs of
1536 2006-01-26 Jeff Law <law@redhat.com>
1539 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
1540 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
1541 within the VR_RANGE, use the VR_RANGE as the result, not the
1543 (adjust_range_with_scev): Reject ranges from SCEV which are out of
1544 bounds for the type.
1546 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
1548 * tree-ssa-alias.c (maybe_create_global_var): Change
1549 subvar walking to an assertion that we don't have subvar'd variables.
1551 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
1554 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1555 Use a new variable, inner. PARM_DECLs are always non-weak.
1557 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
1559 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1562 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
1564 * config/mips/mips.md (*clear_upper32): New combiner pattern.
1566 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
1568 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1569 (smax_insn, smin_insn, smax_0, smin_0): New.
1571 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
1574 * config/cris/cris.c (cris_order_for_addsi3): New function.
1575 * config/cris/cris-protos.h: Prototype it.
1576 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1577 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1578 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1579 (split for "op.S1 [rx=rx+i],ry (swapped)")
1580 (split for "op(s|u).S1 [rx=rx+i],ry")
1581 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1582 Apply cris_order_for_addsi3 when generating addsi3 insns.
1584 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1586 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1587 (TREE_BLOCK): Add call to EXPR_CHECK.
1589 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1592 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1593 * tree-pretty-print.c (dump_omp_clause): Extract from ...
1594 (dump_omp_clauses): ... here.
1595 (dump_generic_node): Handle OMP_CLAUSE.
1596 * tree.c (omp_clause_num_ops): New.
1597 (omp_clause_code_name): New.
1598 (tree_code_size): Handle OMP_CLAUSE.
1599 (tree_size): Likewise.
1600 (make_node): Document handling of OMP_CLAUSE.
1601 (tree_node_structure): Handle OMP_CLAUSE.
1602 (omp_clause_check_failed): New.
1603 (omp_clause_range_check_failed): New.
1604 (omp_clause_operand_check_failed): New.
1605 (build_omp_clause): New.
1606 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1607 * tree.h (enum omp_clause_code): Declare.
1608 (OMP_CLAUSE_SUBCODE_CHECK): Define.
1609 (OMP_CLAUSE_RANGE_CHECK): Define.
1610 (OMP_CLAUSE_ELT_CHECK): Define.
1611 (omp_clause_check_failed): Declare.
1612 (omp_clause_operand_check_failed): Declare.
1613 (omp_clause_range_check_failed): Declare.
1614 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1615 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1616 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1617 (OMP_CLAUSE_LASTPRIVATE): Likewise.
1618 (OMP_CLAUSE_IF_EXPR): Likewise.
1619 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1620 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1621 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
1622 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
1623 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
1624 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
1625 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
1626 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
1627 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
1628 (OMP_CLAUSE_CODE): Define.
1629 (OMP_CLAUSE_SET_CODE): Define.
1630 (OMP_CLAUSE_CODE): Define.
1631 (OMP_CLAUSE_OPERAND): Define.
1632 (struct tree_omp_clause): Declare.
1633 (union tree_node): Add field 'omp_clause'.
1634 * treestruct.def (TS_OMP_CLAUSE): Define.
1635 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
1636 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
1637 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
1638 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
1639 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
1640 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
1641 (OMP_CLAUSE): Define.
1642 * print-tree.c (print_node): Handle OMP_CLAUSE.
1643 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
1644 * c-typeck.c: Likewise.
1645 * gimplify.c: Likewise.
1646 * c-omp.c: Likewise.
1647 * tree-nested.c: Likewise.
1648 * tree-inline.c: Likewise.
1649 * c-parser.c: Likewise.
1650 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
1653 2006-01-25 Roger Sayle <roger@eyesopen.com>
1655 PR rtl-optimization/25703
1656 * combine.c (try_combine): Handle zero_extract and strict_low_part
1657 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
1659 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
1661 * global.c: Fix comment typos.
1663 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
1666 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
1667 Use output_addr_const instead of assemble_name.
1669 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
1671 * Makefile.in (sched-vis.o): Update dependencies.
1672 * haifa-sched.c (sched_finish): Clear current_sched_info.
1673 * cfg.c (dump_bb_info): New, split from dump_flow_info.
1674 (dump_flow_info): Call it.
1675 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
1677 * basic-block.h (dump_bb_info): Declare.
1678 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
1679 option, and apply options only for dump files whose TDF_RTL,
1680 TDF_TREE, or TDF_IPA bits match.
1681 * rtl.h: Declare new functions exported from sched-vis.c.
1682 * sched-vis.c: Enable also if scheduling is not used.
1683 (print_value): Print the mode of registers if not inside scheduling.
1684 (print_insn): Make it work outside the scheduler. Beautify the output
1686 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
1688 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1690 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
1691 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
1692 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
1693 depending on the value of CONSTANT_POOL_ADDRESS_P.
1694 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
1696 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
1697 rather than SYMBOL_REF_DECL.
1698 (rtx_constant_pool): Remove const_rtx_sym_htab.
1699 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
1700 (init_varasm_status): Don't initialize const_rtx_sym_htab.
1701 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
1702 Remove handling of const_rtx_sym_htab.
1703 (find_pool_constant): Delete.
1704 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
1705 rather than find_pool_constant.
1706 (get_pool_constant_for_function): Delete.
1707 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
1709 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
1710 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
1711 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
1712 (SYMBOL_REF_CONSTANT): New macro.
1713 (get_pool_constant_for_function): Delete.
1714 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
1715 rather than SYMBOL_REF_DECL.
1716 (i386_pe_mark_dllimport): Likewise.
1717 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
1718 rather than SYMBOL_REF_DECL.
1719 * config/darwin.c (machopic_indirect_data_reference): Likewise.
1720 (machopic_indirect_call_target): Likewise.
1722 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
1724 * flow.c (delete_noop_moves): Add missing EOL to dump message.
1726 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1728 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
1730 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
1732 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
1734 2006-01-24 David Daney <ddaney@avtrex.com>
1737 * configure.ac (enable_tls): New enable option.
1738 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
1739 * configure: Regenerate.
1740 * doc/install.texi (--enable-tls): Document new option.
1741 (--disable-tls): Ditto.
1743 2006-01-24 Richard Henderson <rth@redehat.com>
1745 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
1746 * alias.c (true_dependence): Respect it.
1747 (canon_true_dependence, write_dependence_p): Likewise.
1748 * builtins.c (get_builtin_sync_mem): Set it.
1750 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
1752 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
1755 2006-01-24 DJ Delorie <dj@redhat.com>
1757 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
1758 for storing constants in single-bit bitfields.
1760 2006-01-25 Ben Elliston <bje@au.ibm.com>
1762 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
1764 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
1767 * tree-ssa-pre.c (phi_translate): Return NULL
1768 for AGGREGATE_TYPE's.
1770 2006-01-24 Zack Weinberg <zackw@panix.com>
1772 * genautomata.c (process_state_for_insn_equiv_partition):
1773 Use xcalloc for insn_arcs_array.
1774 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
1775 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
1777 2006-01-24 Richard Henderson <rth@redhat.com>
1779 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
1782 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
1784 PR rtl-optimization/25890
1785 PR rtl-optimization/25905
1786 * combine.c (expand_compound_operation, expand_field_assignment):
1787 Fail if the bitfield's final position is out of bounds.
1789 2006-01-24 Ian Lance Taylor <ian@airs.com>
1792 * cgraphunit.c (cgraph_output_in_order): Don't clear
1793 cgraph_asm_nodes until after asm strings have been output.
1795 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
1797 * fix-header.c (read_scan_file): Add new parameter imultilib when
1798 calling register_include_chains.
1800 2006-01-23 Diego Novillo <dnovillo@redhat.com>
1802 * omp-low.c: Update documentation.
1804 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1805 Daniel Berlin <dberlin@dberlin.org>
1809 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
1810 return from the function.
1812 2006-01-22 Zack Weinberg <zackw@panix.com>
1814 * rtl.def (match_code): Add second argument.
1815 * genpreds.c (write_extract_subexp): New function.
1816 (write_match_code): Add path argument. Use write_extract_subexp.
1817 (write_predicate_expr): Pass path to write_match_code.
1818 (mark_mode_tests): MATCH_CODE applied to a subexpression does
1819 not perform a mode test.
1820 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
1821 a subexpression does not constrain the top-level code set.
1822 * read-rtl.c (read_rtx_variadic): New function.
1823 (read_rtx_1): Use it; allow AND and IOR to be variadic.
1824 * doc/md.texi: Document new notation.
1825 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
1826 (cmpsi_operand): ... here, using new notation.
1828 2006-01-22 Zack Weinberg <zackw@panix.com>
1830 * varray.c: Remove GENERATOR_FILE #ifdefs.
1832 2006-01-22 Zack Weinberg <zackw@panix.com>
1834 * genautomata.c (output_reserved_units_table): Emit nothing if
1835 description->query_units_num is zero. Remove extra blank line.
1836 (output_cpu_unit_reservation_p): Short circuit
1837 if description->query_units_num is zero.
1839 2006-01-22 Zack Weinberg <zackw@panix.com>
1841 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
1842 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
1843 nor any of the random handful of variables that used to be necessary
1844 when this program was linked with rtlanal.o. Prune set of forward
1845 function declarations.
1846 (struct attr_desc): Remove static_p field.
1847 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
1848 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
1849 (attr_string): Do not read the character one past the length of
1851 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
1852 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
1853 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
1854 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
1855 (make_automaton_attrs): New.
1856 (main): Do not call into genautomata. Call local gen_bypass
1857 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
1858 Remove special case for insn_alts.
1859 * genautomata.c: Include gensupport.h; not genattrtab.h nor
1860 varray.h (leftover from previous change). Prune set of forward
1861 function declarations. Remove state_alts fields from all
1862 structures. Remove state_alts_table from struct automaton.
1863 Make everything except main static. Do not maintain num_dfa_decls.
1864 Do not maintain state_alts fields of various structures.
1865 (process_decls): Don't validate condexp for dm_insn_reserv decls.
1866 (add_arc): Remove state_alts argument. All callers updated.
1867 (output_reserved_units_table): Emit #ifdef here...
1868 (output_tables): ...not here. Don't generate state_alts tables.
1869 (expand_automata): Don't generate attributes.
1870 (write_automata): Don't generate state_alts functions.
1871 (main): New function.
1872 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1873 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1874 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1875 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1876 (BYPASS_P_FUNC_NAME, output_state_alts_table)
1877 (output_automata_list_state_alts_code, output_internal_state_alts_func)
1878 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1879 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1881 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1882 * genattrtab.h: Delete file.
1883 * Makefile.in (OBJS-common): Add insn-automata.o.
1884 (insn-automata.o): New rule.
1885 (simple_generated_c): Add insn-automata.c.
1886 (build/genattrtab.o, build/genautomata.o): Update dependencies.
1887 (genprogmd): Add automata.
1888 (build/genattrtab): Needs no extra objects nor libraries.
1889 (build/genautomata): Needs build/vec.o and -lm.
1891 2006-01-22 Zack Weinberg <zackw@panix.com>
1893 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1894 (output_dfa_max_issue_rate, locked_states_num): Delete.
1895 (struct automaton): Add locked_states field.
1896 (output_dead_lock_vect): Save number of locked states in
1897 automaton->locked_states. If it is zero, don't print anything.
1898 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1899 (output_internal_dead_lock_func): Only test the dead_lock_vect
1900 for automata that have locked states.
1901 (output_statistics): Always print the number of locked states for
1902 each automaton. Calculate total number of locked states here.
1903 (write_automata): Don't call output_dfa_max_issue_rate.
1904 * genattrtab.c: Define length_unit_log as a const variable.
1905 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
1906 max_insn_queue_index const.
1907 * final.c (length_unit_log): Declare const.
1908 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1910 2006-01-22 Zack Weinberg <zackw@panix.com>
1912 * genautomata.c: Include vec.h, not varray.h.
1913 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1914 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
1915 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
1916 VEC_* macros operating on appropriately typed vectors, or to
1917 malloced arrays when the size is known in advance. Const-ify
1918 many char* variables and function arguments. No functional changes.
1919 * Makefile.in (build/varray.o): Delete rule.
1920 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1921 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1923 2006-01-22 Zack Weinberg <zackw@panix.com>
1925 * gensupport.c: Define get_insn_name and record_insn_name here.
1926 (read_md_rtx): Call record_insn_name as appropriate.
1927 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1928 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1929 * genpreds.c, genrecog.c: Don't define get_insn_name nor
1931 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1932 (BUILD_VARRAY): Delete.
1933 (genprognormal): Rename genprogmd. Fold in all programs from
1934 genprognoprint; also attrtab.
1935 (build/genattrtab): Just mention genautomata.o and varray.o.
1936 Reorganize a bit, add comments to make the categories clearer.
1938 2006-01-22 Zack Weinberg <zackw@panix.com>
1940 * genconditions.c (condition_table, add_condition): Delete.
1941 (write_conditions): Don't emit n_insn_conditions nor
1942 insn_elision_unavailable. Issue the gcc version #ifdef here,
1943 inside the table, with no #else clause ...
1944 (write_header): ...not here.
1945 (write_writer): New function.
1946 (main): Don't initialize condition_table. Use add_c_test.
1948 * gensupport.c (init_md_reader_args_cb): Handle multiple input
1949 files on the command line.
1950 (maybe_eval_c_test): Don't check insn_elision_unavailable.
1951 Return -1 if there is no entry in the table, don't abort.
1952 (add_c_test, traverse_c_tests): New functions.
1953 * gensupport.h (insn_elision_unavailable, insn_conditions)
1954 (n_insn_conditions): Delete declarations.
1955 (add_c_test, traverse_c_tests): Declare.
1956 * read-rtl.c: Include gensupport.h.
1957 (read_conditions): New function.
1958 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1959 (read_rtx_1): If we get EOF when we were looking for an initial
1960 open paren, return 0. Call read_conditions when appropriate.
1961 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1962 dummy-conditions.o. Eliminate references to insn-conditions.o,
1963 or change them to build/gencondmd.o, as appropriate. Remove
1964 insn-constants.h from $(simple_generated_h) and insn-conditions.c
1965 from $(simple_generated_c). For all files remaining in those
1966 two lists, add insn-conditions.md to the generator command line.
1967 Give insn-constants.h/s-constants their own rules. Add rules
1968 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1969 (build/read-rtl.o): Depend on gensupport.h.
1970 (genprognormal): Include preds.
1971 (genprogearly): Rename genprognoprint; only difference is now that
1972 they don't link with $(BUILD_PRINT).
1973 * dummy-conditions.c: Delete.
1975 2006-01-22 Zack Weinberg <zackw@panix.com>
1977 * genextract.c: Don't include insn-config.h. Do include vec.h.
1978 Declare vectors of int, char, and locstr.
1979 (locstr): New typedef.
1980 (struct extraction): Make all array fields into bare pointers.
1981 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1982 (insn_code_number): Delete.
1983 (accum_extract): New struct.
1984 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1985 (gen_insn): Take insn_code_number as an argument. Use an
1986 accum_extract structure instead of loading data directly into
1987 a struct extraction, and having to know how big it might get.
1988 (walk_rtx): Operate entirely on an accum_extract structure.
1989 (print_path): Avoid unnecessary use of printf.
1990 (print_header): New function, split out of main. Distinguish
1991 more carefully between an unrecognizable insn and an insn that
1992 has the code number of a define_expand.
1993 (main): Pass insn_code_number to gen_insn. Call print_header
1994 only after parsing. Avoid unnecessary use of printf.
1995 * Makefile.in (build/vec.o): New rule.
1996 (build/genextract): Depend on build/vec.o.
1997 (build/genextract.o): Don't depend on insn-config.h.
1999 2006-01-22 Zack Weinberg <zackw@panix.com>
2001 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2002 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
2003 practical. Eliminate per-generator-program link rules.
2005 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2008 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2009 with a call expr to ...
2010 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2012 2006-01-23 Richard Guenther <rguenther@suse.de>
2014 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2015 before make_edge with conditional EDGE_TRUE_VALUE.
2017 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
2018 Jan Hubicka <jh@suse.cz>
2019 Richard Guenther <rguenther@suse.de>
2021 PR rtl-optimization/25654
2022 * cfgexpand.c (aggregate_contains_union_type): New function.
2023 (add_alias_set_conflicts): Call it. Make sure to add conflicts
2024 for structure variables that contain a union type.
2026 2006-01-23 Richard Sandiford <richard@codesourcery.com>
2028 * gengtype.c (new_structure): Return the structure.
2029 (create_option): Add an extra "next" argument.
2030 (create_field): New function.
2031 (adjust_field_rtx_def): Use create_option and create_field.
2032 Remove a now-unnecessary call to find_structure.
2033 (adjust_field_tree_def): Likewise.
2034 (note_yacc_type): Remove an unnecessary call to find_structure.
2035 * gengtype.h (new_structure): Return the structure.
2036 (create_option): Add an extra argument.
2037 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2038 (option): Adjust calls to create_option.
2040 2006-01-22 David Edelsohn <edelsohn@gnu.org>
2042 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2044 2006-01-22 Paul Brook <paul@codesourcery.com>
2045 Peter Barada <peter@the-baradas.com>
2047 * config/m68k/m68k.md: Add Coldfire FPU support.
2048 Define FP mode macro and associated attributes.
2049 Use it for float mode patterns.
2050 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2051 (LIBCALL_VALUE): Use m68k_libcall_value.
2052 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2053 (m68k_function_value): Ditto.
2054 (emit_move_sequence): Ditto.
2055 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2056 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2057 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2058 (MULTILIB_EXCEPTIONS): Ditto.
2059 * config/m68k/m68k.opt: Add mcfv4e.
2060 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2061 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2062 (m68k_output_function_prologue): Save ColdFire FPU registers.
2063 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2064 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2065 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2066 ColdFire FPU registers.
2067 (m68k_libcall_value, m68k_function_value): New functions.
2068 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2069 (LIBCALL_VALUE): Use m68k_libcall_value.
2070 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2071 (MASK_COLDFIRE): Add MASK_CFV4E.
2072 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2073 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2074 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2075 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2076 (GO_IF_LEGITIMATE_ADDRESS): Use it.
2077 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2078 * doc/invoke.tex: Document -mcfv4e on m68k.
2080 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2082 * doc/contribute.texi: Change CVS to SVN and update the corresponding
2085 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
2088 * c-opts.c (c_common_handle_option): Don't include
2089 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2090 * doc/invoke.texi (C++ Dialect Options): Document that
2091 -Wnon-virtual-dtor is no longer included in -Wall.
2093 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
2095 * gcov.c (print_version), gcov-dump.c (print_version),
2096 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2099 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
2101 * df-scan.c (problem_SCAN): Added NULL reset function.
2102 (df_scan_reset_blocks): Added code to call reset block function
2103 (df_bb_refs_delete) Fixed comment.
2104 (df_insn_refs_delete): Made tolerant of deleting non existent info
2105 for dataflow problems that need to be reset.
2106 * df-core.c (df_set_blocks): Ditto.
2107 * df.h (struct df_problem): Added reset_fun.
2108 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2109 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2110 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2111 functions to clear out all references to def-use or use-def chains.
2113 2006-01-21 Ben Elliston <bje@au.ibm.com>
2115 * varasm.c (assemble_real): Initialise data array.
2117 2006-01-20 Paul Brook <paul@codesourcery.com>
2119 Merge from csl-arm-branch.
2120 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2121 * config/arm/arm.md (movdi): Force operands[1] to a register
2122 if we have a non-register source.
2123 (*arm_movdi, *movdf_soft_insn): Require that one of the
2124 operands be a register.
2125 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2126 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2128 2006-01-20 DJ Delorie <dj@redhat.com>
2130 * varasm.c (initialize_constant_valid_p): Allow pointers
2131 initialized from integer constants of lesser precision.
2132 (output_constant): Allow non-int-sized pointer modes to be
2133 initialized from integer constants.
2135 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
2138 * cppdefault.h (struct default_include): Add multilib flag.
2139 * cppdefault.c (cpp_include_defaults): Set it.
2140 * c.opt (-imultilib): New option.
2141 * c-opts.c (imultilib): New.
2142 (c_common_handle_option): Handle -imultilib.
2143 (c_common_post_options): Likewise.
2144 * c-incpath.c (add_standard_paths, register_include_chains):
2146 * c-incpath.h (register_include_chains): Add extra parameter.
2147 * gcc.c (do_spec_1): Generate -imultilib option.
2148 (The Specs Language): Update %I description.
2149 (process_command): Update copyright notice.
2150 * doc/cppopts.texi (-imultilib): Document.
2151 * doc/invoke.texi (-imultilib): Include in option summary.
2152 (%I): Update specs documentation.
2154 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2156 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2158 2006-01-20 Richard Sandiford <richard@codesourcery.com>
2160 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2163 2006-01-20 Richard Guenther <rguenther@suse.de>
2164 Steven Bosscher <stevenb.gcc@gmail.com>
2166 PR rtl-optimization/24626
2167 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2168 EDGE_TRUE_VALUE if in RTL mode.
2171 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2172 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2174 2006-01-20 Dirk Mueller <dmueller@suse.com>
2177 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2178 instead of a special NOP marker.
2179 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2180 NOP marker handling.
2181 * c-common.h (empty_body_warning): Add forward declaration.
2182 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2183 Now uses IS_EMPTY_STMT() instead of special NOP markers.
2185 2006-01-20 Paul Brook <paul@codesourcery.com>
2187 * Makefile.in (lang_checks): Keep going if mkdir fails.
2189 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2191 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2192 be able to clean out basic block when not necessary.
2193 (df_scan_free): Fixed to properly delete information if df is
2194 unused before calling df_finish.
2195 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2196 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2198 (df_bb_refs_delete): New function.
2199 (df_refs_delete): Moved per block code to df_bb_refs_delete.
2200 * df-core.c (df_set_blocks): Added code to properly clean out
2201 unused blocks if they are not part of the blocks to consider.
2202 Added additional null check.
2203 (df_compact_blocks): Added basic block parameter to free_bb_fun to
2204 be able to clean out basic block when not necessary
2205 * df.h (df_free_bb_function): Ditto.
2206 (df_bb_refs_delete): New function.
2207 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2208 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2209 basic block parameter to be able to clean out basic block when not
2211 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2212 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2213 Fixed to properly delete information if df is unused before
2216 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2218 PR rtl-optimization/25799
2219 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2220 Corrected confluence operator to remove bits from op2 before oring
2221 with op1 rather than removing bits from op1.
2222 (df_ru_transfer_function): Corrected test on wrong bitmap which
2223 caused infinite loop. Both of these problems were introduced in
2224 the dataflow rewrite.
2226 2006-01-19 DJ Delorie <dj@redhat.com>
2228 * reload1.c (find_reload_regs): Note the details of reload
2229 failures in the dump file.
2230 (spill_failure): Likewise.
2232 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2234 * loop-iv.c: Include df.h and hashtab.h.
2235 (enum iv_grd_result): New enum.
2236 (DF_REF_IV, DF_REF_IV_SET): New macros.
2237 (struct biv_entry): New.
2238 (df, bivs): New global variables.
2239 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2240 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2242 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2243 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2244 analyzed_for_bivness_p, record_biv): New functions.
2245 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2246 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2247 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2249 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2251 (iv_number_of_iterations): Use new interface to iv analysis.
2252 * loop-unroll.c: Do not include varray.h.
2253 (analyze_iv_to_split_insn): Use new interface to iv
2255 * loop-unswitch.c (may_unswitch_on): Ditto.
2256 * df.c (df_bitmaps_free): Only work for bbs for that structures are
2258 (df_bb_modify): Realloc tables to the new index.
2259 (df_find_use): New function.
2260 * df.h (df_find_use): Declare.
2261 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2263 * cfgloop.h (struct rtx_iv): Remove analysed field.
2264 (iv_get_reaching_def): Removed.
2265 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2266 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2267 (loop-iv.o): Add df.h and hashtab.h dependency.
2268 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2270 2006-01-20 Alan Modra <amodra@bigpond.net.au>
2273 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2275 (__floatundisf, __floatundidf): Likewise.
2276 * libgcc2.h (IS_IBM_EXTENDED): Define.
2278 2006-01-19 DJ Delorie <dj@redhat.com>
2280 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2282 2006-01-19 Paul Brook <paul@codesourcery.com>
2284 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2285 as nothrow when unwinding tables are disabled.
2287 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2290 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2291 of bit-field" when in system header.
2293 2006-01-19 DJ Delorie <dj@redhat.com>
2295 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2296 the 16 bit shift limit of the m16c.
2298 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
2301 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2302 * config/i386/i386.c (output_set_got): Output the label if we have one
2303 for the TARGET_DEEP_BRANCH_PREDICTION case.
2305 2006-01-19 Jan Hubicka <jh@suse.cz>
2306 H.J. Lu <hongjiu.lu@intel.com>
2307 Evandro Menezes <evandro.menezes@amd.com>
2309 * invoke.texi (generic): Document
2311 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2312 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2313 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2314 (x86_use_incdec, x86_pad_returns): New variables
2315 (TARGET_CPU_DEFAULT_generic): New constant
2316 (TARGET_CPU_DEFAULT_NAMES): Add generic.
2317 (enum processor_type): Add generic32 and generic64.
2318 * i386.md (cpu attribute): Add generic32/generic64
2319 (movhi splitter): Behave sanely when both partial_reg_dependency and
2320 partial_reg_stall are set.
2321 (K8 splitters): Enable for generic as well.
2322 * predicates.md (incdec_operand): Use TARGET_INCDEC
2323 (aligned_operand): Avoid memory mismatch stalls.
2324 * athlon.md: Enable for generic64, new patterns for 128bit moves.
2325 * ppro.md: Enable for generic32
2326 * i386.c (generic64_cost, generic32_cost): New.
2327 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2328 (x86_use_leave): Enable for generic64. (x86_use_sahf,
2329 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
2330 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2331 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2332 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2333 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2334 x86_accumulate_outgoing_args, x86_prologue_using_move,
2335 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2336 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2338 (x86_use_incdec, x86_pad_returns): New.
2339 (override_options): Add generic32 and generic64, translate "generic"
2340 to generic32/generic64 and "i686" to "generic32", refuse
2341 "generic32"/"generic64" as arch target.
2342 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2343 (ix86_reorg): Honor PAD_RETURNS.
2345 2006-01-19 Diego Novillo <dnovillo@redhat.com>
2347 * tree-pretty-print.c (dump_generic_node): Handle
2348 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2349 * cgraph.c (cgraph_expand_queue): Rename from
2350 cgraph_analyze_queue. Update all users.
2351 * cgraphunit.c (cgraph_assemble_pending_functions): Process
2352 cgraph_expand_queue.
2353 (cgraph_expand_all_functions): Likewise.
2354 (cgraph_finalize_pending_functions): Remove. Update callers.
2356 * tree.h (OMP_DIRECTIVE_P): Define.
2357 (OMP_PARALLEL_FN): Define.
2358 (OMP_PARALLEL_DATA_ARG): Define.
2359 (OMP_SECTIONS_SECTIONS): Define.
2360 * tree-pass.h (pass_expand_omp): Declare.
2361 * omp-low.c (struct omp_region): Declare.
2362 (struct omp_context): Remove fields 'parallel_type',
2363 'parallel_start_ix' and 'parallel_start_additional_args'.
2365 (struct omp_for_data): Rename from struct expand_omp_for_data.
2366 (omp_regions): New static variable.
2367 (root_omp_region): New static variable.
2368 (find_omp_clause): Make static.
2369 (is_in_combined_parallel_ctx): Remove.
2370 (is_combined_parallel): New.
2371 (extract_omp_for_data): Move earlier in the file.
2372 (workshare_safe_to_combine_p): New.
2373 (get_ws_args_for): New.
2374 (determine_parallel_type): Move earlier in the file.
2375 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2377 (omp_copy_decl): Likewise.
2378 (create_omp_child_function): Likewise.
2379 (lookup_omp_region): New.
2380 (dump_omp_region): New.
2381 (debug_omp_region): New.
2382 (debug_all_omp_regions): New.
2383 (new_omp_region): New.
2384 (scan_omp_parallel): If parallel_nesting_level > 1, the
2385 directive is nested within another parallel directive.
2386 Set OMP_PARALLEL_FN.
2387 (scan_omp_for): Do not try to handle combined parallel+for
2389 Remove FIXME comment.
2390 (scan_omp_nested): Remove.
2391 (scan_omp_1): Do not call scan_omp_nested when
2392 parallel_nesting_level is > 1.
2393 Do not change the DECL_CONTEXT of local variables found.
2394 (lookup_decl_in_outer_ctx): New.
2395 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2396 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2397 (lower_reduction_clauses): Rename from expand_reduction_clauses.
2398 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2399 If CTX is nested, lookup VAR in the outer context when
2400 building copy assignment.
2401 (lower_send_clauses): Rename from expand_send_clauses.
2402 If CTX is nested, lookup VAR in the outer context when
2403 building copy assignments.
2404 (lower_send_shared_vars): Rename from expand_send_shared_vars.
2405 If CTX is nested, lookup VAR in the outer context when
2406 building copy assignments.
2407 (expand_parallel_call): Rename from build_parallel_call.
2408 Handle combined parallel+workshare cases.
2409 Re-implement to emit code into the CFG.
2411 (expand_omp_parallel): Re-implement to emit code into the CFG.
2412 Call move_sese_region_to_fn to outline the sub-graph
2413 containing the parallel region.
2414 (expand_omp_for_1): Remove.
2415 (expand_omp_for_generic): Re-implement to emit code into the
2417 (expand_omp_for_static_nochunk): Likewise.
2418 (expand_omp_for_static_chunk): Likewise.
2419 (expand_omp_for): Likewise.
2420 (expand_omp_sections): Likewise.
2421 (remove_exit_barriers): New.
2422 (expand_omp_synch): New.
2424 (build_omp_regions_1): New.
2425 (build_omp_regions): New.
2426 (execute_expand_omp): New.
2427 (gate_expand_omp): New.
2428 (pass_expand_omp): Define.
2429 (lower_omp_sections): Rename from expand_omp_sections.
2430 Set OMP_SECTIONS_SECTIONS.
2431 (lower_omp_single_simple): Rename from expand_omp_single_simple.
2432 (lower_omp_single_copy): Rename from expand_omp_single_copy.
2433 (lower_omp_single): Rename from expand_omp_simple.
2434 (lower_omp_master): Rename from expand_omp_master.
2435 (lower_omp_ordered): Rename from expand_omp_ordered.
2436 (lower_omp_critical): Rename from expand_omp_critical.
2437 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
2438 (lower_omp_for): Re-implement.
2439 (lower_omp_parallel): Re-implement.
2440 (lower_regimplify): Rename from expand_regimplify.
2441 (lower_omp_1): Rename from expand_omp_1.
2442 If there are syntax errors in the program, replace every
2443 OpenMP directive with NOP.
2444 Call lower_omp_* instead of expand_omp_*.
2445 (lower_omp): Rename from expand_omp.
2447 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
2448 * tree-gimple.h (enum omp_parallel_type): Remove.
2449 (gimple_boolify): Declare extern.
2450 (find_omp_clause, determine_parallel_type): Remove.
2452 * gimple-low.c (lower_omp_directive): New.
2453 (lower_stmt): Call it.
2454 (record_vars_into): Move from ...
2455 (record_vars): ... here.
2456 Call record_vars_into with current_function_decl.
2458 * gimplify.c (struct gimplify_ctx): Remove fields
2459 combined_pre_p and combined_ctxp. Update users.
2460 (get_formal_tmp_var): Add documentation.
2461 (gimple_boolify): Make extern.
2462 (gimplify_expr_in_ctx): Remove. Update callers.
2463 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
2464 will always be a BIND_EXPR.
2465 (gimplify_expr): Handle OMP_RETURN_EXPR.
2466 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
2467 (OMP_PARALLEL): Add 3 operands.
2468 (OMP_SECTIONS): Add 1 operand.
2469 (OMP_RETURN_EXPR): Define.
2471 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
2472 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
2473 * tree-iterator.c (alloc_stmt_list): Assert that we are not
2474 creating a circular free list.
2475 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
2477 * tree-flow.h (move_sese_region_to_fn): Declare.
2478 (record_vars_into): Declare.
2479 * tree-cfg.c (make_omp_sections_edges): New.
2480 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
2481 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
2482 OMP_SECTIONS and OMP_SECTION.
2483 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
2484 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
2485 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
2486 (gather_blocks_in_sese_region): New.
2487 (struct move_stmt_d): Declare.
2489 (move_block_to_fn): New.
2490 (move_sese_region_to_fn): New.
2492 * passes.c (init_optimization_passes): Schedule
2493 pass_expand_omp after pass_init_datastructures.
2495 * tree-ssa-operands.c (get_expr_operands): Handle
2496 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
2497 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
2499 2006-01-19 Jeff Law <law@redhat.com>
2501 * tree-vrp.c (extract_range_from_assert): Refine the result range
2502 if the variable referenced by the ASSERT_EXPR has a range and
2503 either the tentative result range or the previous range is a
2506 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2508 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2510 2006-01-19 Jan Hubicka <jh@suse.cz>
2512 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
2514 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
2516 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
2517 (expand_compound_operation, expand_field_assignment): Fail if the
2518 bit lengths of an extract operation are out of range.
2519 (make_extraction): Compute wanted_inner_mode based on the position
2520 and length of the extraction. Make it extraction_mode for non-constant
2521 positions, and do not modify offset in that case. When generating a
2522 new MEM, use a mode that can hold the extraction while keeping correct
2523 alignment. Remove code that supported MEMs wrapped by USEs.
2524 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
2526 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
2528 * config/s390/s390.md ("Y", "y"): New mode attribute.
2529 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2530 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
2531 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
2532 "*addsi3_imm_cc", "*addsi3_carry1_cc",
2533 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
2534 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
2535 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
2536 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
2537 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
2538 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
2539 "addsi3", "subsi3"): Insn patterns removed.
2540 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
2541 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
2542 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
2543 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
2544 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
2545 "*sub<mode>3_cconly2"): New insn patterns.
2546 ("addsi3", "subsi3"): New expanders.
2548 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
2550 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
2551 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
2552 existing STMT_VINFO_VECTYPE if available.
2553 (vect_mark_relevant): Add special handling for stmts that are
2554 marked as STMT_VINFO_IN_PATTERN_P.
2555 (vect_analyze_loop): Call vect_pattern_recog.
2556 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2557 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2559 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2560 (vect_recog_func_ptr): New function-pointer type.
2561 * tree-vect-patterns.c: New file.
2562 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2563 (vect_recog_dot_prod_pattern, vect_pattern_recog):
2564 (vect_pattern_recog_1): New functions.
2565 (vect_pattern_recog_funcs): New array of function pointers.
2567 * tree-vectorizer.h (ternary_op): New enum value.
2568 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2569 declaration. Revised documentation. Removed redundant dump prints.
2570 Removed redundant argument. Added support for reduction patterns.
2571 (vectorizable_reduction): Added support for reduction patterns.
2572 (vect_transform_stmt): Added support for patterns.
2574 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2575 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2576 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2577 (expand_widen_pattern_expr): New function.
2578 (init_optabs): Initialize new optabs udot_prod_optab,
2580 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2581 (sdot_prod_optab, udot_prod_optab): Define new optabs.
2582 (expand_widen_pattern_expr): New function declaration.
2583 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2585 * tree-inline.c (estimate_num_insns_1): Added cases for new
2586 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2587 * tree-pretty-print.c (dump_generic_node): Likewise.
2588 (op_prio): Likewise.
2589 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2590 * tree-ssa-operands.c (get_expr_operands): Added case for
2592 * tree-vect-patterns.c (widened_name_p): New function.
2593 (vect_recog_dot_prod_pattern): Added function implementation.
2594 * tree-vect-transform.c (get_initial_def_for_reduction): Added
2595 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2596 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2597 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2599 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2600 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2601 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2602 (init_optabs): Initialize new optabs widen_ssum_optab,
2604 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2605 (widen_ssum_optab, widen_usum_optab): Define new optabs.
2606 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2607 use instead of type of def.
2608 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2609 function implementation.
2610 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2611 widen_ssumv8hi): New.
2613 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2616 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2619 * c-decl.c (add_flexible_array_elts_to_size): New function.
2620 (finish_decl): Use it.
2622 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
2624 * diagnostic.h: Include options.h.
2625 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
2626 dependancies for diagnostic.h.
2627 * Makefile.in (DIAGNOSTIC_H): Add options.h.
2629 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
2631 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
2632 (ssa_ro_call_cache_valid): Ditto.
2633 * tree-ssa-alias.c (sort_tags_by_id): New function.
2634 (init_transitive_clobber_worklist): Ditto.
2635 (add_to_worklist): Ditto.
2636 (mark_aliases_call_clobbered): Ditto.
2637 (compute_tag_properties): Ditto.
2638 (set_initial_properties): Ditto.
2639 (compute_call_clobbered): Ditto.
2640 (compute_may_aliases): Call compute_call_clobbered and grouping.
2641 (compute_flow_sensitive_aliasing): Remove clobbering related code.
2642 (compute_flow_insensitive_aliasing): Grouping now happens in our
2644 (setup_pointers_and_addressables): Remove clobbering related code.
2645 (add_may_alias): Ditto.
2646 (replace_may_alias): Ditto.
2647 (get_nmt_for): Ditto.
2648 (create_global_var):
2649 (is_escape_site): Return an escape_type enumeration.
2650 * tree-flow-inline.h (is_call_clobbered): Global var does not
2651 imply call clobbered.
2652 (mark_call_clobbered): Take a reason for marking this. Remove
2653 marking of globalness, and cache invalidation.
2654 (clear_call_clobbered): Remove cache invalidation code.
2655 * tree-dfa.c (dump_variable): If details is on, dump the reason
2657 * tree-outof-ssa.c (create_temp): Copy escape mask from original
2659 * tree-flow.h (struct ptr_info_def): Add escape mask member.
2660 (struct var_ann_d): Ditto.
2661 (enum escape_type): New.
2662 (mark_call_clobbered): Adjust prototype.
2663 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
2664 are never call clobbered.
2665 Record reasons for escaping.
2666 * tree-ssa-structalias.h (is_escape_site): Update prototype.
2667 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
2668 (ssa_ro_call_cache_valid): Ditto.
2669 (clobbered_v_may_defs): Ditto.
2670 (clobbered_vuses): Ditto.
2671 (ro_call_vuses): Ditto.
2672 (clobber_stats): New.
2673 (init_ssa_operands): Zero out clobber stats.
2674 (fini_ssa_operands): Print out clobber stats.
2675 (get_call_expr_operands): Pass callee fndecl to
2677 (add_call_clobber_ops): Remove use of cache.
2678 Add use of PURE_CONST information.
2679 (add_call_read_ops): Remove use of cache.
2680 Add use of static not_read information.
2682 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
2684 Introduce TLS descriptors for i386 and x86_64.
2685 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
2686 (TARGET_ANY_GNU_TLS): New macro.
2687 (enum tls_dialect): Added TLS_DIALECT_GNU2.
2688 (struct machine_function): Add tls_descriptor_call_expanded_p.
2689 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
2690 (ix86_current_function_calls_tls_descriptor): Likewise.
2691 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
2692 (override_options): Introduce gnu2 tls dialect.
2693 (ix86_frame_pointer_required): Functions containing TLSCALLs are
2695 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
2697 (legitimize_tls_address): Adjust logic for GNU2 TLS.
2698 (ix86_init_machine_status): Initialize new field.
2699 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
2700 (ix86_tls_module_base): New.
2701 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
2702 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
2703 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
2704 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
2705 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
2706 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
2707 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
2708 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
2709 * config/i386/predicates.md (tls_modbase_operand): New.
2710 (tp_or_register_operand): New.
2712 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
2714 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
2715 (look_for_address_of): Ditto.
2716 (ipa_init): Walk the function decls.
2717 (static_execute): Don't set readonly on FUNCTION_DECL's.
2719 2006-01-18 Roger Sayle <roger@eyesopen.com>
2721 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
2722 for shifts where the source and destination registers are different.
2724 2006-01-18 Paul Brook <paul@codesourcery.com>
2726 Merge from csl-arm-branch.
2727 2005-03-14 Julian Brown <julian@codesourcery.com>
2728 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
2729 (aeabi_llsl): Likewise.
2730 (ashrdi3): Likewise.
2731 (aeabi_lasr): Likewise.
2732 (lshrdi3): Likewise.
2733 (aeabi_llsr): Likewise.
2734 2005-03-10 Julian Brown <julian@codesourcery.com>
2735 * config.gcc: Disable shared libgcc for SymbianOS.
2736 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
2738 2006-01-18 DJ Delorie <dj@redhat.com>
2740 * c-pragma.c (handle_pragma_diagnostic): New.
2741 (init_pragma): Register it.
2742 * doc/extend.texi: Document it.
2744 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
2745 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
2746 (diagnostic_context): Add classify_diagnostic[].
2747 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
2748 as errors if they're overridden to DK_WARNING.
2749 (diagnostic_initialize): Initialize classify_diagnostic[].
2750 (diagnostic_set_kind_override): New.
2751 (diagnostic_report_diagnostic): Check for kind changes.
2752 * opts.c (common_handle_option): Take lang_mask. Update callers.
2754 * common.opt (Werror=): New.
2755 * doc/invoke.texi: Document -Werror=*
2757 2006-01-18 Jeff Law <law@redhat.com>
2759 * tree-vrp.c (test_for_singularity): Correct test for new
2760 min limit. Use operand_equal_p rather than pointer equality
2761 for testing if new min/max values are equal.
2763 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
2764 using range information until after propagation and folding.
2766 2006-01-18 Richard Henderson <rth@redhat.com>
2767 Aldy Hernandez <aldyh@redhat.com>
2768 Jakub Jelinek <jakub@redhat.com>
2769 Diego Novillo <dnovillo@redhat.com>
2771 * omp-low.c: New file.
2772 * c-omp.c: New file.
2774 2006-01-18 Richard Henderson <rth@redhat.com>
2775 Jakub Jelinek <jakub@redhat.com>
2776 Diego Novillo <dnovillo@redhat.com>
2778 * doc/invoke.texi: Document -fopenmp.
2779 * tree-dump.h (debug_function): Declare.
2780 * hooks.c (hook_bool_tree_bool_false): New function.
2781 (hook_tree_tree_null): Remove.
2782 (hook_tree_tree_tree_null): New.
2783 * hooks.h: Update to match.
2784 * tree-pretty-print.c (debug_tree_chain): New.
2785 (print_generic_expr): Handle TDF_CHAIN.
2786 (dump_generic_node): Handle BLOCK.
2787 Do not abort with incomplete SWITCH_EXPRs.
2788 Do not dump body of an OpenMP directive if TDF_SLIM is given.
2789 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
2790 print space after directive name.
2791 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
2792 Handle OMP_MASTER and OMP_ORDERED.
2793 Handle printing of OMP_BODY just in one place, goto
2794 dump_omp_body in the rest of OMP_* nodes that have
2796 Don't handle clause nodes here. Update omp statements to
2797 use dump_omp_clauses.
2798 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
2799 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
2800 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
2801 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
2802 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
2803 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
2804 Adjust output for GOMP_PARALLEL.
2805 (dump_omp_clauses): New.
2806 (print_declaration): Dump DECL_VALUE_EXPR.
2807 (op_symbol_1): Split out of op_symbol.
2808 (dumping_stmts): Remove. Update all users.
2809 * cgraph.c (cgraph_analyze_queue): New.
2810 (cgraph_add_new_function): New.
2811 * cgraph.h (cgraph_analyze_queue): Declare.
2812 (cgraph_add_new_function): Declare.
2813 (cgraph_lower_function): Remove.
2814 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
2815 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
2816 and TYPE_P nodes in its default clause.
2817 (empty_body_p): New.
2818 (tree_range_check_failed): New.
2820 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
2821 OMP_CLAUSE_REDUCTION_MERGE,
2822 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
2823 OMP_CLAUSE_PRIVATE_DEBUG,
2824 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
2825 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
2826 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
2827 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
2828 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
2829 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
2830 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
2831 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
2832 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
2833 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
2834 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
2835 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
2836 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
2837 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
2838 (TREE_RANGE_CHECK): New.
2839 (empty_body_p): Declare.
2840 (enum omp_clause_default_kind): New.
2841 (build_string_literal): Declare.
2842 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
2843 (build5_stat, build5): Declare.
2844 * tree-pass.h (TDF_CHAIN): Define.
2845 * tree-pass.h (PROP_gimple_lomp): Define.
2846 (pass_lower_omp): Declare.
2847 * diagnostic.h (debug_tree_chain): Declare.
2848 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
2850 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
2851 * builtins.c (build_string_literal): Make extern.
2852 * gcc.c (include_spec_function): New.
2853 (static_spec_functions): Add it.
2854 (main): Move load of libgomp.spec ...
2855 (LINK_COMMAND_SPEC): ... here.
2856 (link_gomp_spec): New.
2857 (static_specs): Include it.
2858 (LINK_COMMAND_SPEC): Add link_gomp.
2859 (GOMP_SELF_SPECS): New.
2860 (driver_self_specs): Include it.
2861 (switch_matches): Don't mark inline.
2862 (main): Load libgomp.spec.
2863 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
2864 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
2865 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
2866 * tree-gimple.h (enum omp_parallel): Declare.
2867 (determine_parallel_type): Declare.
2868 (omp_firstprivatize_variable): Declare.
2869 (omp_reduction_init): Declare.
2870 (diagnose_omp_structured_block_errors): Declare.
2871 (struct walk_stmt_info): Add want_return_expr.
2872 (struct walk_stmt_info): Add want_bind_expr, want_locations.
2873 (find_omp_clause): Declare.
2874 (insert_field_into_struct): Declare.
2875 (struct walk_stmt_info): Move from tree-nested.c
2876 (walk_stmts): Declare.
2877 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2879 * cgraphunit.c (cgraph_lower_function): Make static.
2880 (cgraph_finalize_pending_functions): New.
2881 (cgraph_finalize_function): Call it.
2882 (cgraph_finalize_compilation_unit): Likewise.
2883 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2884 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2885 (BT_FN_UINT_UINT): New.
2886 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2887 DEF_FUNCTION_TYPE_VAR_4): Document.
2888 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2889 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2890 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2891 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2892 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2893 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2894 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2895 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2896 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2897 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2898 into separate files.
2899 (DEF_GOMP_BUILTIN): New.
2900 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2901 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2902 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2903 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2904 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2905 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2906 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2907 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2908 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2909 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2910 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2911 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2912 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2913 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2914 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2915 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2916 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2917 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2918 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2919 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2920 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2921 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2922 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2923 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2924 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2925 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2926 * sync-builtins.def: New file, moved from builtins.def.
2927 * omp-builtins.def: New file, moved from builtins.def.
2928 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2929 * gimple-low.c (lower_function_body): Clear data.
2930 (lower_stmt): Do not handle COMPOUND_EXPR.
2931 Remove call to print_node_brief.
2932 * c-tree.h (c_finish_omp_clauses): New prototype.
2933 (C_DECL_THREADPRIVATE_P): Define.
2934 (lookup_name_no_remap, c_omp_remap_private): Remove
2935 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2936 (check_for_loop_decls): Update decl.
2937 (lookup_name_no_remap, c_omp_remap_private): Declare.
2938 (build_indirect_ref, build_modify_expr, pushdecl,
2939 pushdecl_top_level): Move to c-common.h.
2940 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2941 before the switch, but just in the 2 places that need it.
2942 * c-decl.c (diagnose_mismatched_decls): Do not check for
2943 mismatched thread-local attributes when OLDDECL is marked
2944 threadprivate and NEWDECL has no thread-local attributes.
2945 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2946 (c_gimple_diagnostics_recursively): Rename from
2947 c_warn_unused_result_recursively. Invoke
2948 diagnose_omp_structured_block_errors.
2949 (check_for_loop_decls): Return a singular decl found.
2950 * langhooks.c (lhd_omp_predetermined_sharing): Return
2951 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2952 (lhd_omp_firstprivatize_type_sizes): New.
2953 (lhd_omp_assignment): New.
2954 (lhd_omp_predetermined_sharing): New.
2955 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2956 (struct lang_hooks_for_types): Add
2957 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2958 omp_predetermined_sharing, omp_disregard_value_expr,
2959 omp_private_debug_clause, omp_clause_default_ctor,
2960 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2961 (c_finish_omp_clauses): New.
2962 (c_finish_bc_stmt): Diagnose break within omp for.
2963 (c_begin_omp_parallel, c_finish_omp_parallel): New.
2964 (build_unary_op): Return error_mark after reporting
2966 (build_modify_expr): Likewise.
2967 * gimplify.c: Include optabs.h and pointer-set.h.
2968 (enum gimplify_omp_var_data): Declare.
2969 (struct gimplify_omp_ctx): Declare.
2970 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2972 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2973 (push_gimplify_context, pop_gimplify_context): Allow nesting.
2974 (splay_tree_compare_decl_uid): New.
2975 (new_omp_context): New.
2976 (delete_omp_context): New.
2977 (gimple_add_tmp_var): Call omp_add_variable.
2978 (gimplify_bind_expr): Likewise.
2979 (gimplify_var_or_parm_decl): If omp_notice_variable returned
2980 true, disregard DECL_VALUE_EXPR on the decl if any.
2981 (gimplify_expr_in_ctx): New.
2982 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2983 omp_add_variable, omp_notice_variable, omp_is_private
2984 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2985 gimplify_adjust_omp_clauses, gimplify_omp_parallel
2986 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2987 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2988 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2989 gimplify_omp_atomic): New.
2990 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2991 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2992 OMP_CRITICAL and OMP_ATOMIC.
2993 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2994 * c-pragma.h (enum pragma_kind): Add
2995 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2996 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2997 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2998 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2999 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
3000 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
3001 PRAGMA_OMP_THREADPRIVATE.
3002 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3003 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3004 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
3005 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
3006 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
3007 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
3008 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
3009 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
3010 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
3011 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
3012 * tree-ssa-dce.c (find_control_dependence): Do not assume that
3013 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
3014 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
3016 (struct nesting_info): Add field_map,
3017 suppress_expansion, debug_var_chain.
3018 (create_nesting_tree): Initialize them.
3019 (lookup_field_for_decl): Use field_map.
3020 (get_nonlocal_debug_decl, get_local_debug_decl): New.
3021 (convert_local_omp_clauses): New.
3022 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
3023 (walk_body): Split out of walk_function.
3024 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
3025 (convert_nonlocal_reference): Handle omp statements.
3026 (convert_local_reference): Likewise.
3027 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
3028 (unnest_nesting_tree): New.
3029 (lower_nested_functions): Call it.
3030 (insert_field_into_struct): Make extern.
3031 (struct walk_stmt_info): Move to tree-gimple.h.
3032 (walk_stmts): Make extern.
3033 * omp-builtins.def: New file.
3034 * tree-iterator.c (expr_only): Clarify comment.
3035 * c-common.h (pushdecl_top_level, pushdecl,
3036 build_modify_expr, build_indirect_ref,
3037 c_finish_omp_master, c_finish_omp_critical,
3038 c_finish_omp_ordered, c_finish_omp_barrier,
3039 c_finish_omp_atomic, c_finish_omp_flush,
3040 c_finish_omp_for, c_split_parallel_clauses,
3041 omp_clause_default_kind, c_omp_sharing_predetermined,
3042 c_omp_remap_decl): Declare.
3043 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3044 (OBJS-common): Add omp-low.o.
3045 (c-omp.o, omp-low.o): Add.
3046 (gimplify.o): Add dependency on $(OPTABS_H).
3047 (GTFILES): Add omp-low.c.
3048 (gt-stringpool.h): Add.
3049 * tree-cfg.c (set_bb_for_stmt): Do not update the
3050 block-to-labels map if we are currently expanding to RTL.
3051 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3053 Handle IDENTIFIER_NODE.
3054 (tree_verify_flow_info): Do not ICE when emitting error
3055 messages about invalid labels.
3056 (dump_function_to_file): Reset CFUN before emitting the body
3058 (debug_function): New.
3059 * passes.c (init_optimization_passes): Schedule
3061 * langhooks-def.h (lhd_omp_predetermined_sharing,
3062 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3064 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3065 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3066 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3067 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3068 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3069 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3070 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3071 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3072 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3073 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3074 (LANG_HOOK_DECLS): Use them.
3076 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3077 Richard Henderson <rth@redhat.com>
3078 Jakub Jelinek <jakub@redhat.com>
3079 Diego Novillo <dnovillo@redhat.com>
3081 * c-parser.c (pragma_omp_clause): Define.
3082 (c_parser_declaration_or_fndef): Document OpenMP syntax.
3083 (c_parser_compound_statement): Likewise.
3084 (c_parser_statement): Likewise.
3085 (c_parser_pragma): Handle omp pragmas.
3086 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3087 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3088 (c_parser_omp_clause_name, check_no_duplicate_clause,
3089 c_parser_omp_variable_list,
3090 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3091 c_parser_omp_clause_copyprivate,
3092 c_parser_omp_clause_default,
3093 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3094 c_parser_omp_clause_lastprivate,
3095 c_parser_omp_clause_nowait,
3096 c_parser_omp_clause_num_threads,
3097 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3098 c_parser_omp_clause_reduction,
3099 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3100 c_parser_omp_all_clauses, c_parser_omp_structured_block,
3101 c_parser_omp_atomic, c_parser_omp_barrier,
3102 c_parser_omp_critical, c_parser_omp_flush,
3103 c_parser_omp_for_loop, c_parser_omp_for,
3104 c_parser_omp_master, c_parser_omp_ordered,
3105 c_parser_omp_sections_scope, c_parser_omp_sections,
3106 c_parser_omp_parallel, c_parser_omp_single,
3107 c_parser_omp_construct, c_parser_omp_threadprivate): New.
3108 * c-pragma.c (init_pragma): Do omp pragma registration here.
3109 * c.opt (fopenmp): New flag.
3111 2006-01-18 Eric Christopher <echristo@apple.com>
3113 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3114 * config/darwin.h (GOMP_SELF_SPECS): Define.
3116 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3118 * rtl.h: Remove the prototype for reg_alloc.
3120 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3123 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3124 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3125 sjlj and dwarf2 exception handling.
3126 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3127 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3128 * pa/pa.c (function_value): Treat complex and vector types as
3130 (function_arg): Likewise. Only pass scalar floats in the floating
3131 point argument registers.
3132 * pa/t-slibgcc-dwarf-ver: New file.
3133 * pa/t-slibgcc-sjlj-ver: New file.
3134 * pa/t-slibgcc-elf-ver: Delete file.
3136 2006-01-19 Alan Modra <amodra@bigpond.net.au>
3138 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3139 unlikely_test_section_p test.
3141 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3143 * mode-switching.c (optimize_mode_switching): Make it static.
3144 * basic-block.h: Remove the prototype for
3145 optimize_mode_switching.
3147 * modulo-sched.c (sms_schedule): Make it static.
3148 * rtl.h: Remove the prototype for sms_schedule.
3150 * postreload-gcse.c (gcse_after_reload_main): Make it static.
3151 * rtl.h: Remove the prototype for gcse_after_reload_main.
3153 * reg-stack.c (reg_to_stack): Make it static.
3154 * rtl.h: Remove the prototype for reg_to_stack.
3156 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3158 * rtl.h: Remove the prototypes for regrename_optimize and
3159 copyprop_hardreg_forward.
3161 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
3163 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3164 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
3165 Test against the appropriate null constant for the mode.
3166 If 'fixup_overlap' is true, swap the operands if they overlap.
3167 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3168 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3169 alpha_split_tmode_pair and adjust for above change.
3170 * config/alpha/alpha.md (movtf_internal): Adjust call to
3171 alpha_split_tfmode_pair and rely on it to swap the operands.
3172 (movti_internal): New insn and post-reload splitter.
3173 (movti): New expander.
3175 2006-01-18 Philippe De Muyter <phdm@macqel.be>
3177 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3180 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3182 * rtlanal.c (global_reg_mentioned_p_1,
3183 global_reg_mentioned_p): Remove.
3184 * rtl.h: Remove the prototype for global_reg_mentioned_p.
3186 * flow.c (initialize_uninitialized_subregs): Make it static.
3187 * rtl.h: Remove the prototype for
3188 initialize_uninitialized_subregs.
3190 * function.c (instantiate_virtual_regs): Make it static.
3191 * function.h: Remove the prototype for
3192 instantiate_virtual_regs.
3194 * regmove.c (regmove_optimize, combine_stack_adjustments):
3196 * rtl.h: Remove the prototypes for regmove_optimize and
3197 combine_stack_adjustments.
3199 2006-01-17 Roger Sayle <roger@eyesopen.com>
3201 * config/i386/i386.c (COSTS_N_BYTES): New macro.
3202 (size_cost): Encode costs in bytes so that a reg-reg addition is
3203 equivalent to COSTS_N_INSNS(1).
3204 (override_options): Use the size_cost.branch_cost as the default
3205 ix86_branch_cost when optimizing for size.
3207 2006-01-18 Ben Elliston <bje@au.ibm.com>
3209 * Makefile.in (D32PBIT_FUNCS): New.
3210 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3211 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3212 D64PBIT_FUNCS and D128PBIT_FUNCS.
3213 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3214 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3216 (decnumber_dep): Define.
3217 * doc/libgcc.texi (Decimal float library routines): New node.
3218 * config/dfp-bit.h, config/dfp-bit.c: New files.
3220 2006-01-18 Ben Elliston <bje@au.ibm.com>
3222 * expr.c (emit_move_change_mode): Always adjust addresses, not
3223 just during reload. Copy replacements only during reload.
3224 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3225 emit_move_via_integer.
3227 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
3229 * Makefile.in (check-%, check-consistency): Use $${srcdir}
3230 instead of $(srcdir) and ${srcdir}.
3232 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
3236 * arm.h (struct machine_function): Add pic_reg.
3237 * arm.c (arm_pic_register): Make unsigned.
3238 (arm_override_options): Only set arm_pic_register if
3239 TARGET_SINGLE_PIC_BASE.
3240 (use_return_insn): Only test for a pic register if it is fixed.
3241 (arm_compute_save_reg0_reg12_mask): Likewise.
3242 (thumb_compute_save_reg_mask): Likewise.
3243 (legitimate_pic_operand): Factor out some known invariants.
3244 (legitimize_pic_address): If we don't have a fixed pic register,
3245 then set up a pseudo in the function entry sequence. Handle the
3246 pic base being in a pseudo.
3247 (arm_load_pic_register): Handle the pic register being in a pseudo.
3248 (arm_expand_prologue): Only set up the pic register if it is fixed.
3249 (thumb_expand_prologue): Likewise.
3250 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3251 (pic_load_addr_based_insn): Likewise.
3252 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3255 2006-01-18 Ben Elliston <bje@au.ibm.com>
3257 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3258 decimal float modes for all floating point registers.
3260 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3261 match_code "mem" with match_test "macho_lo_sum_memory_operand".
3263 2006-01-17 Jakub Jelinek <jakub@redhat.com>
3266 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3267 even when the pointer is not NULL.
3269 2006-01-16 Ian Lance Taylor <ian@airs.com>
3271 * common.opt (ftoplevel-reorder): New option.
3272 * cgraph.c (cgraph_asm_nodes): New global variable.
3273 (cgraph_asm_last_node): New static variable.
3274 (cgraph_order): New global variable.
3275 (cgraph_create_node): Set new order field.
3276 (cgraph_varpool_node): Likewise.
3277 (decide_is_variable_needed): Return true if not
3278 flag_toplevel_reorder.
3279 (cgraph_add_asm_node): New function.
3280 * cgraph.h (struct cgraph_node): Add order field.
3281 (struct cgraph_varpool_node): Add order field.
3282 (struct cgraph_asm_node): Define.
3283 (cgraph_asm_nodes, cgraph_order): Declare.
3284 (cgraph_add_asm_node): Declare.
3285 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3287 (cgraph_varpool_assemble_pending_decls): Call it.
3288 (cgraph_output_pending_asms): New static function.
3289 (cgraph_finalize_compilation_unit): Call it.
3290 (struct cgraph_order_sort): Define.
3291 (cgraph_output_in_order): New static function.
3292 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
3293 !flag_toplevel_reorder case.
3294 * c-parser.c: Include "cgraph.h".
3295 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3297 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3298 than -fno-unit-at-a-time.
3299 * doc/invoke.texi (Option Summary): Mention
3300 -fno-toplevel-reorder.
3301 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
3302 -funit-at-a-time documentation.
3304 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
3305 Kazu Hirata <kazu@codesourcery.com>
3307 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3309 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
3311 * Makefile.in (FUNCTION_H): New. Use it instead of
3312 function.h throughout the file.
3313 * function.h: Include tree.h.
3315 2006-01-17 Ben Elliston <bje@au.ibm.com>
3317 * recog.c: Separate some functions with whitespace.
3319 2006-01-16 Richard Henderson <rth@redhat.com>
3321 Merge from gomp branch:
3322 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
3323 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3324 and rename from struct inline_data. Rename callee* to dst*;
3325 caller* to src*; add copy_decl hook, transform_call_graph_edges,
3326 transform_new_cfg, transform_return_to_modify, and
3327 transform_lang_insert_block flags; remove cloning_p, versioning_p,
3329 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3330 (copy_decl_for_dup): Remove.
3331 * tree-inline.c (struct inline_data): Move to header.
3332 (insert_decl_map): Export.
3333 (remap_decl): Update for member name changes. Use copy_decl hook.
3334 Allow for replacement to be a non-decl. Remove dead code.
3335 (remap_type_1): Check for existing mapping.
3336 (remap_type): Export.
3337 (remap_decls): Update for member name changes.
3338 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3339 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3340 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3341 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3342 (tree_function_versioning, build_duplicate_type): Likewise.
3343 (copy_body_r): Likewise. Export.
3344 (copy_decl_for_dup): Split into ...
3345 (copy_decl_for_dup_finish, copy_decl_to_var,
3346 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3347 (replace_ref_tree, inlining_p): Remove.
3349 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3351 * ifcvt.c (if_convert): Make it static.
3352 * rtl.h: Remove the prototype for if_convert.
3354 * local-alloc.c (local_alloc): Make it static.
3355 * rtl.h: Remove the prototype for local_alloc.
3357 * loop.c (loop_optimize): Make it static.
3358 * cfgloop.h: Remove the prototype for loop_optimize.
3361 2006-01-16 DJ Delorie <dj@redhat.com>
3363 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3366 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3368 * pa.md: Disparage copies between general and floating-point registers
3369 in 32-bit move patterns.
3371 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
3374 * Makefile.in (check-%): Depend on site.exp instead of
3375 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3378 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3380 * global.c (global_alloc): Make it static.
3381 * rtl.h: Remove the prototype for global_alloc.
3383 2006-01-16 Richard Guenther <rguenther@suse.de>
3385 * tree-ssa-alias.c (struct used_part): Add write_only field.
3386 (get_or_create_used_part_for): Initialize it to true.
3387 (create_overlap_variables_for): Don't create structure variables
3388 for structures that only are written to.
3389 (find_used_portions): Handle MODIFY_EXPR to track whether a
3390 structure is only written to.
3392 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3394 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3396 * basic-block.h: Remove the prototype for
3397 partition_hot_cold_basic_blocks.
3399 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
3401 * cppspec.c (lang_specific_spec_functions): Remove.
3402 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3403 * gcc.h (lang_specific_spec_functions): Remove.
3404 * gccspec.c (lang_specific_spec_functions): Remove.
3406 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
3408 * combine.c (record_value_for_reg): Invalidate registers
3410 (record_dead_and_set_regs_1): Likewise, by passing them to
3411 record_value_for_reg.
3412 (record_dead_and_set_regs): Invalidate stores made by a
3413 call. We do not combine across a call, but we still
3414 relied on equivalences.
3416 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3418 * tree-vrp.c (extract_range_from_binary_expr): Cope with
3419 vrp_int_const_binop returning non-constant nodes.
3421 2006-01-16 Paul Brook <paul@codesourcery.com>
3423 * config/m68k/m68k.c (output_move_const_into_data_reg):
3424 Output correct mnemonic for mvz and mvs.
3426 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
3428 * rtl-factoring.c: Add sequence abstraction algorithm.
3429 * cfgcleanup.c (outgoing_edges_match): Extra checks.
3430 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
3432 (block_has_preserve_label): New function.
3433 * common.opt: Register new pass.
3434 * Makefile.in: Ditto.
3436 * timevar.def: Ditto.
3437 * tree-pass.h: Ditto.
3438 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
3439 * rtl.h (make_jump_insn_raw): Add forward decl.
3440 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
3442 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3443 Roger Sayle <roger@eyesopen.com>
3445 * fold-const.c (fold_minmax): New static function.
3446 (fold_binary) <MIN_EXPR>: Call it.
3447 <MAX_EXPR>: Likewise.
3448 * stor-layout.c (place_field): Use DECL_SIZE consistently
3449 in the computation of the new record size.
3451 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3453 * cse.c (cse_condition_code_reg): Make it static.
3454 * rtl.h: Remove the prototype for cse_condition_code_reg.
3456 * combine.c (combine_instructions): Make it static.
3457 * rtl.h: Remove the prototype for combine_instructions.
3459 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3462 * tree.c (get_file_function_name_long): Concatenate the first global
3463 object name with a string derived from the input filename of the object
3466 2006-01-16 Ben Elliston <bje@au.ibm.com>
3468 * config/i386/winnt-stubs.c: Update FSF address.
3469 * config/xtensa/ieee754-df.S: Ditto.
3470 * config/xtensa/ieee754-sf.S: Ditto.
3472 2006-01-14 Ian Lance Taylor <ian@airs.com>
3474 * ifcvt.c (noce_init_if_info): New static function, broken out of
3475 noce_process_if_block.
3476 (noce_process_if_block): Call noce_init_if_info.
3477 (check_cond_move_block): New static function.
3478 (cond_move_process_if_block): New static function.
3479 (process_if_block): Call cond_move_process_if_block.
3481 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
3483 * cselib.c (hash_table): Rename to cselib_hash_table.
3484 (cselib_clear_table, discard_useless_values,
3485 remove_useless_values, cselib_lookup_mem, cselib_lookup,
3486 cselib_init, cselib_finish): Adjust uses of hash_table.
3488 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
3490 PR tree-optimization/25485
3491 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
3492 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
3493 is known to be false and true, respectively.
3495 2006-01-14 Richard Guenther <rguenther@suse.de>
3497 PR tree-optimization/22548
3498 PR tree-optimization/22555
3499 PR tree-optimization/22501
3500 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
3501 * params.def (salias-max-array-elements): New parameter.
3502 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
3503 * doc/invoke.texi (salias-max-array-elements): Document.
3504 * tree-flow-inline.h (var_can_have_subvars): We also handle
3506 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
3508 * tree-ssa-structalias.c (params.h): Include.
3509 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
3510 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
3511 (get_constraint_for): For ADDR_EXPR operating on something
3512 containing an ARRAY_REF, add all subvars to the solution.
3513 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
3514 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
3515 for creating MUST_DEFs.
3516 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
3518 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
3520 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
3522 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3523 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3524 number_of_iterations_le): New functions.
3525 (number_of_iterations_special): Removed.
3526 (number_of_iterations_exit): Do not use number_of_iterations_special.
3527 * tree.c (unsigned_type_for): Always return integer type.
3529 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
3530 Richard Guenther <rguenther@suse.de>
3532 PR rtl-optimization/24257
3533 * gcse.c (find_moveable_store): Only consider a store movable
3534 when the SET_SRC of the insn can be assigned to a register.
3536 2006-01-14 Ian Lance Taylor <ian@airs.com>
3538 * tree.c (tree_not_class_check_failed): New function.
3539 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
3540 (tree_not_class_check_failed): Declare.
3542 2006-01-13 Ian Lance Taylor <ian@airs.com>
3544 * reload1.c (do_output_reload): Add assertion rejecting a
3547 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
3549 * combine.c (struct reg_stat): Add new fields truncation_label and
3551 (record_value_for_reg): Reset truncated_to_mode.
3552 (record_truncated_value): New function.
3553 (check_promoted_subreg): Call it. Rename to check_conversions.
3554 (combine_instructions): Rename check_promoted_subreg to
3556 (reg_truncated_to_mode): New function.
3557 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
3558 (gen_lowpart_or_truncate): New function.
3559 (force_to_mode): Use it instead of gen_lowpart.
3561 2006-01-13 Diego Novillo <dnovillo@redhat.com>
3563 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
3564 VAR is a tag, not its type tag.
3566 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
3568 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3569 alternatives to match style of other entries.
3570 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
3572 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
3574 PR tree-optimization/25771
3575 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3578 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
3581 * tree-inline.c (declare_return_variable): If the return variable
3582 was marked as a non gimple complex, set the return slot variable
3583 to be a non gimple comple variable.
3585 2006-01-13 Richard Guenther <rguenther@suse.de>
3587 * builtins.c (expand_builtin_sincos): New function.
3588 (expand_builtin_mathfn_3): Remove dead code, sin and cos
3590 (expand_builtin): Expand sincos using expand_builtin_sincos.
3592 2006-01-12 DJ Delorie <dj@redhat.com>
3594 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3595 shift counts, separate SI shifts for m32c vs m16c, pass shift type
3596 so that constant shifts can be split.
3597 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3598 (m32c_valid_pointer_mode): Make static.
3599 (shift_gen_func_for): New.
3600 (m32c_prepare_shift): Use it. Split large const shifts into
3602 * config/m32c/predicates.md (shiftcount_operand): Allow more
3604 (longshiftcount_operand): New.
3605 * doc/md.texi (Machine Constraints): Document In6.
3607 2006-01-13 Ben Elliston <bje@au.ibm.com>
3609 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
3610 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
3613 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
3615 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
3616 to try to avoid clobbering pieces of structures when we know
3617 something about the whole structure.
3618 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
3620 2006-01-13 Ben Elliston <bje@au.ibm.com>
3622 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
3623 return in memory, as this is no limitation is no longer present.
3625 2006-01-12 DJ Delorie <dj@redhat.com>
3627 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
3628 mova with fb, and for fb+0 -> An.
3630 * config/m32c/mov.md (peephole2): Fix enabling logic.
3632 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3633 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
3634 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
3635 FINI_ARRAY_SECTION_ASM_OP): Define.
3637 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
3639 (m32c_legitimize_reload_address): New logic to reload FB to An.
3640 (m32c_output_reg_push): Add newline.
3641 (m32c_output_reg_pop): Likewise.
3643 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
3645 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
3647 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
3649 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3651 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3653 * config/sh/predicates.md (sh_rep_vec): Add parallel to
3656 2006-01-11 Ben Elliston <bje@au.ibm.com>
3658 * rtlanal.c (find_reg_note): Assert insn is not null.
3660 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3662 * df-scan.c (df_hard_reg_init): Move declaration of i outside
3665 2006-01-11 Jeff Law <law@redhat.com>
3667 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
3669 (mark_threaded_blocks, register_jump_thread): New functions.
3670 (thread_through_all_blocks): Remove unwanted argument. No
3671 longer rely on e->aux to communicate thread target info.
3672 Call mark_threaded_blocks. Release the threaded_blocks
3673 bitmap and threaded_edges vector when complete.
3674 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
3675 (threaded_blocks): Remove.
3676 (tree_ssa_dominator_optimize): Remove initialization and
3677 finalization of threaded_blocks. Simplify call to
3678 thread_through_all_blocks.
3679 (thread_across_edge): Call register_jump_thread rather than
3680 storing thread information into e->aux.
3681 (free_all_edge_infos): Simplify now that e->aux is no longer
3682 used to communicate with thread_through_all_blocks.
3683 * tree-flow.h (thread_through_all_blocks): Update prototype.
3684 (register_jump_thread): Prototype.
3686 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3688 * df-core.c (df_compact_blocks, df_bb_replace): Use
3689 SET_BASIC_BLOCK instead of BASIC_BLOCK.
3691 2006-01-11 Richard Guenther <rguenther@suse.de>
3693 PR tree-optimization/25734
3694 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3695 stop propagation after successful propagation to the LHS.
3697 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3699 * basic-block.h (control_flow_graph): Change the type of
3700 x_basic_block_info to VEC(basic_block,gc) *.
3701 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
3703 (SET_BASIC_BLOCK): New.
3704 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
3705 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
3706 * cfgbuild.c (find_basic_blocks): Likewise.
3707 * cfglayout.c (fixup_reorder_chain): Likewise.
3708 * cfgrtl.c (create_basic_block_structure,
3709 rtl_create_basic_block): Likewise.
3710 * ifcvt.c (find_if_case_1): Likewise.
3711 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
3714 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3716 * Makefile.in: Removed rotted odf.c entry.
3718 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
3721 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
3722 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
3723 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
3724 output pattern modifier, not %e.
3725 * config/cris/cris.c (cris_op_str): Update comment about pattern
3727 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
3728 before falling through into...
3729 <case 'E'>: Redefined from old 'e' case.
3731 2006-01-11 Jan Hubicka <jh@suse.cz>
3734 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
3736 2006-01-11 Jan Hubicka <jh@suse.cz>
3738 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
3739 * i386.c (x86_decompose_lea): Kill.
3740 (ix86_rtx_costs): Kill.
3742 2006-01-11 Jan Hubicka <jh@suse.cz>
3744 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
3745 * cgraph.h (cgraph_node): Add inline_decl.
3746 (cgraph_insert_node_to_hashtable): Declare.
3747 (save_inline_function_body): Declare.
3748 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
3750 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
3751 (cgraph_function_versioning): Update call of tree_function_versioning.
3752 (save_inline_function_body): New function.
3753 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
3754 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
3755 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
3756 (cgraph_default_inline_p): Likewise.
3757 (cgraph_decide_inlining_incrementally): Likewise.
3758 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
3759 (copy_bb): Kill saving; do updating of clones.
3760 (copy_cfg_body): Kill saving.
3761 (initialize_inlined-parameters): Likewise.
3762 (expand_call_inline): Likewise.
3764 (tree_function_versioning): New parameter "update_clones".
3765 (inlining_p): Kill saving.
3766 * tree-inline.h (tree_function_versioning): Update prototype.
3767 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
3770 2006-01-11 Ian Lance Taylor <ian@airs.com>
3772 * combine.c (struct undo): Remove is_int. Enumify types of undos.
3773 Allow undoing set of machine mode.
3774 (do_SUBST): Use enums instead of is_int.
3775 (do_SUBST_MODE): New function.
3776 (SUBST_MODE): New macro.
3777 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
3778 reg and trying to replace reg_regno_rtx with a new register.
3779 (undo_all): Use new enums, handle undoing a PUT_MODE change.
3780 (simplify_set): Use SUBST_MODE.
3781 (distribute_notes): Remove code that tried to update reg notes
3782 for regno_reg_rtx changes.
3784 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
3786 PR tree-optimization/23109
3787 PR tree-optimization/23948
3788 PR tree-optimization/24123
3790 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
3791 * tree-cfg.c (single_noncomplex_succ): New.
3792 * tree-flow.h (single_noncomplex_succ): Declare it.
3793 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3794 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3795 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
3796 insert_bb, register_division_in, insert_reciprocals,
3797 replace_reciprocal, free_bb): New.
3798 (execute_cse_reciprocals_1): Rewritten.
3799 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
3800 Do not commit any edge insertion. Always compute dominators and
3801 create the allocation pool.
3802 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
3803 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
3804 * targhooks.c (default_min_divistions_for_recip_mul): New.
3805 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
3806 * passes.c (init_optimization_passes): Run recip after tree loop
3808 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
3810 2006-01-11 Danny Berlin <dberlin@dberlin.org>
3811 Kenneth Zadeck <zadeck@naturalbridge.com>
3813 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
3814 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
3815 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
3816 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
3817 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
3818 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
3819 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
3820 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
3821 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
3822 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
3823 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
3824 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
3825 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
3826 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
3827 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
3828 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
3829 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
3830 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
3831 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
3832 DF_SCAN_POST_ALLOC): New macros.
3833 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
3834 df_free_bb_function, df_local_compute_function, df_init_function,
3835 df_dataflow_function, df_confluence_function_0,
3836 df_confluence_function_n, df_transfer_function,
3837 df_finalizer_function, df_free_function, df_dump_problem_function,
3838 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
3839 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
3840 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
3841 df_urec_bb_info, ) New types.
3842 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
3844 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
3845 df_analyze_simple_change_some_blocks,
3846 df_analyze_simple_change_one_block, df_compact_blocks,
3847 df_bb_replace, df_bb_regno_last_use_find,
3848 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
3849 df_insn_regno_def_p, df_find_def, df_find_use,
3850 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
3851 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
3852 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
3853 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
3854 debug_df_chain, df_get_dependent_problem, df_chain_create,
3855 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
3856 df_grow_bb_info, df_chain_dump, df_print_bb_index,
3857 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
3858 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
3859 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
3860 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
3861 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
3862 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
3863 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
3864 df_ref_remove, df_insn_refs_delete, df_refs_delete,
3865 df_reorganize_refs, df_set_state, df_hard_reg_init,
3866 df_read_modify_subreg_p) New public functions.
3867 * df-core.c: The core dataflow solver and glue routines for rtl
3869 (df_init, df_add_problem, df_set_blocks, df_finish,
3870 df_hybrid_search_forward, df_hybrid_search_backward,
3871 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3872 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3873 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3874 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3875 df_reg_defined, df_find_use, df_reg_used, df_dump,
3876 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3877 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3878 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3879 debug_df_useno, reset_df_after_reload): New functions.
3880 * df-scan.c: The scanning fuctions, once in df.c, completely
3881 rewritten so that they now fully model the functionality of
3882 register usage at the backend.
3883 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3884 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
3885 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
3886 df_grow_insn_info, df_rescan_blocks, df_ref_create,
3887 df_get_artificial_defs, df_get_artificial_uses,
3888 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
3889 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
3890 df_refs_delete, df_reorganize_refs, df_set_state,
3891 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
3892 df_def_record_1, df_defs_record, df_uses_record,
3893 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
3894 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
3895 df_record_exit_block_uses, df_hard_reg_init): New functions.
3897 * df-problems.c: Seven concrete dataflow problems that use the
3898 scanning in df-scan.c and are solved by the engine in df-core.c.
3899 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
3900 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
3901 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
3902 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
3903 df_ru_free_bb_info, df_ru_alloc,
3904 df_ru_bb_local_compute_process_def,
3905 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
3906 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
3907 df_ru_transfer_function, df_ru_free, df_ru_dump,
3908 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
3909 df_rd_free_bb_info, df_rd_alloc,
3910 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
3911 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
3912 df_rd_transfer_function, df_rd_free, df_rd_dump,
3913 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
3914 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
3915 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
3916 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
3917 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
3918 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
3919 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
3920 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
3921 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
3922 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
3923 df_urec_mark_reg_change, df_urec_check_earlyclobber,
3924 df_urec_mark_reg_use_for_earlyclobber,
3925 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
3926 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
3927 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
3928 df_urec_dump, df_urec_add_problem, df_chain_alloc,
3929 df_chain_create_bb_process_use, df_chain_create_bb,
3930 df_chain_finalize, df_chain_free, df_chains_dump,
3931 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
3932 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
3933 df_reg_lifetime): New functions.
3934 * df.c: Deleted file.
3935 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
3936 consistent with new df api.
3937 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
3938 rest_of_handle_sms): Ditto.
3939 * web.c (unionfind_union, union_defs, entry_register, web_main):
3941 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
3942 invariant_expr_equal_p, find_defs, check_dependencies,
3943 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
3944 free_inv_motion_data, move_loop_invariants): Ditto.
3945 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
3946 Update dependencies.
3947 (odf.c): Added defective entry that was deleted later in day.
3948 * sched-deps.c (sched_analyze_1): Ditto.
3950 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
3952 * tree-ssa-operands.c (get_expr_operands): Record addressable
3953 variables directly. Do not call add_stmt_operands for CONST_DECLs
3955 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
3956 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
3958 2006-01-11 Ben Elliston <bje@au.ibm.com>
3960 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
3961 function returns true in the positive case.
3963 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3966 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
3967 for SI, DI, SF and DF modes. Add alternatives to copy between
3968 general and floating point registers to the 32-bit patterns.
3969 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
3970 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
3971 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
3972 generating 64-bit code.
3973 * config/pa/pa.c (output_move_double): Handle copies between general
3974 and floating registers.
3976 2006-01-10 Stuart Hastings <stuart@apple.com>
3978 * config/i386/i386.md (set_got): Update.
3979 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
3980 (builtin_setjmp_receiver): Mach-O support.
3981 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
3982 (GOT_SYMBOL_NAME): Define.
3983 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3984 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
3985 * config/i386/i386.c (override_options): Revise for Darwin.
3986 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
3987 support. (darwin_x86_file_end): New. (output_set_got): Add label
3988 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
3989 * config/i386/i386-protos.h (output_set_got): Likewise.
3990 * config/darwin.c (machopic_legitimize_pic_address): Update
3993 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
3995 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
3996 when MODE isn't BLKmode.
3998 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4000 PR rtl-optimization/25367
4001 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
4003 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
4006 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
4007 for a negative bound.
4009 2006-01-10 Richard Guenther <rguenther@suse.de>
4011 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4012 Never override with anything constraint.
4014 2006-01-10 Jan Beulich <jbeulich@novell.com>
4016 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
4017 256 bits when optimize_size.
4019 2006-01-10 Jan Beulich <jbeulich@novell.com>
4021 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
4023 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
4024 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
4027 2006-01-10 Ben Elliston <bje@au.ibm.com>
4029 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
4031 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
4032 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4033 (USE_FP_FOR_ARG): Reject decimal float modes.
4034 (function_arg_advance): Likewise.
4035 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4036 (rs6000_handle_altivec_attribute): Do not permit decimal floating
4037 point types in AltiVec vectors.
4038 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4039 (rs6000_libcall_value): Likewise.
4041 2006-01-09 Bob Wilson <bob.wilson@acm.org>
4043 * config/xtensa/ieee754-df.S: New file.
4044 * config/xtensa/ieee754-sf.S: New file.
4045 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4046 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4047 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4049 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
4051 * config/sh/predicates.md (binary_float_operator,
4052 binary_logical_operator, commutative_float_operator,
4053 equality_comparison_operator, greater_comparison_operator,
4054 less_comparison_operator, logical_operator,
4055 noncommutative_float_operator, shift_operator,
4056 symbol_ref_operand, unary_float_operator): Remove redundant
4059 2006-01-09 Jeff Law <law@redhat.com>
4061 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4062 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
4063 now unused arguments. Callers updated.
4064 (eliminate_redundant_computations): Remove now unused arguments,
4066 (local_fold): Remove, no longer used.
4067 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4069 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4070 (simplify_cond): New function.
4071 (forward_propagate_into_cond): Call simplify_cond.
4073 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
4075 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4076 (*vec_extractv2di_1_sse): New.
4078 2006-01-09 Ben Elliston <bje@au.ibm.com>
4080 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4082 2006-01-08 Richard Guenther <rguenther@suse.de>
4084 * tree-ssa-structalias.c (get_constraint_for): Remove
4086 (get_constraint_for_component_ref): Likewise.
4087 (do_deref): Likewise.
4088 (get_constraint_for): Likewise.
4089 (do_structure_copy): Likewise.
4090 (handle_ptr_arith): Likewise.
4091 (find_func_aliases): Likewise. Remove unused need_anyoffset
4094 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
4095 Kaz Kojima <kkojima@gcc.gnu.org>
4097 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4098 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4099 (EXTRA_CONSTRAINT_C16): Remove.
4100 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4101 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4102 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4103 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4104 constants of SHmedia. Handle nested constant expressions of
4106 (andcosts): Fix the costs for SHmedia constants.
4107 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4108 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4109 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4110 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4111 (movv4hi_i, movv2si_i): Likewise.
4112 (movsi_const): Adjust the second operand of ior so to match with
4114 (movdi_const, movdi_const_32bit): Likewise.
4115 (movdi_const_16bit+1): Don't sign-extend LOW.
4116 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
4118 (*double_shori): Fix the split condition. Use GEN_INT instead
4119 of get_int_mode calls. Mask lower 16-bit of the argument of
4121 (sym2GOTPLT): Remove.
4122 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4124 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4125 instead of EXTRA_CONSTRAINT_C16.
4127 2006-01-07 Ian Lance Taylor <ian@airs.com>
4128 David Edelsohn <edelsohn@gnu.org>
4130 PR rtl-optimization/25662
4131 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4132 for constant operands instead of simplify_gen_binary.
4133 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4134 after trying simplify_binary_operation
4136 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
4138 * tree.c (iterative_hash_expr): Hash decls based on UID.
4140 2006-01-06 Eric Christopher <echristo@apple.com>
4142 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4143 (TARGET_UNWIND_EMIT): Fix spelling.
4144 * target.h (gcc_target): Add except_table_label.
4145 * except.c (output_function_exception_table): Use.
4146 * varasm.c (default_emit_except_table_label): New.
4147 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4149 (asm_out): Add here.
4150 * output.h (default_emit_except_table_label): Prototype.
4151 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4152 * config/darwin.c (darwin_emit_except_table_label): Define.
4153 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4155 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
4157 PR tree-optimization/18527
4158 * tree-ssa-loop-niter.c (number_of_iterations_cond,
4159 number_of_iterations_special, number_of_iterations_exit):
4160 Move base and step of an iv to a single structure. Add
4161 no_overflow flag, and use it in # of iterations analysis.
4162 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4163 folded_casts argument.
4164 (simple_iv): Pass base and step in a structure. Set no_overflow
4166 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4167 Evaluate expensiveness of computing # of iterations instead of
4168 the final expression.
4169 * tree-scalar-evolution.h (affine_iv): New structure.
4170 (simple_iv): Declaration changed.
4171 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4172 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4173 find_givs_in_stmt): Changed due to simple_iv change.
4175 2006-01-06 Jeff Law <law@redhat.com>
4178 * tree-cfg.c (bsi_replace): Rename final argument from
4179 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
4180 change (stmt -> orig_stmt).
4181 * tree-eh.c (verify_eh_throw_stmt_node): New function.
4182 (bsi_remove): Add new argument. Remove EH information
4184 (verify_eh_throw_table_statements): New function.
4185 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
4187 * tree-optimize.c (execute_free_cfg_annotations): Verify
4188 the EH throw statement table after removing annotations.
4189 * except.h (verify_eh_throw_table_statements): Prototype.
4190 * tree-flow.h (bsi_remove): Update prototype.
4191 * tree-vrp.c (remove_range_assertions): Add new argument to
4193 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4194 * tree-complex.c (expand_complex_div_wide): Likewise.
4195 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4196 * tree-tailcall.c (eliminate_tailcall): Likewise.
4197 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4198 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4199 * tree-nrv.c (tree_nrv): Likewise.
4200 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4201 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4202 (combine_blocks): Likewise.
4203 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4204 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4205 (cleanup_control_flow): Likewise.
4206 (remove_forwarder_block): Likewise.
4207 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4208 * tree-sra.c (sra_replace): Likewise.
4209 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4210 (forward_propagate_single_use_vars): Likewise.
4211 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4212 * tree-inline.c (expand_call_inline): Likewise.
4213 * tree-vect-transform.c (vect_transform_loop): Likewise.
4214 * tree-outof-ssa.c (rewrite_trees): Likewise.
4215 * tree-cfg.c (make_goto_expr_edges): Likewise.
4216 (cleanup_dead_labels): Likewise.
4217 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4218 (bsi_move_before, bsi_move_after): Likewise.
4219 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4220 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4222 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
4225 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4227 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4228 on non gimple variables. Also add checks at the top for decls and
4230 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4232 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4233 and IMAGPART_EXPR for creating MUST_DEFs.
4234 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4235 and NAME_MEMORY_TAG separately from the DECLs.
4237 2006-01-06 Richard Guenther <rguenther@suse.de>
4239 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4240 annotation, if necessary.
4241 * tree-ssa-pre.c (create_expression_by_pieces): Remove
4242 redundant calls to update_stmt.
4243 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4246 2006-01-05 Richard Henderson <rth@redhat.com>
4248 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4250 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4252 * c-typeck.c: Update copyright date.
4254 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4256 * c-typeck.c (build_c_cast): Always warn when casting
4257 from a pointer to an integer of different size, even if
4258 the node was constant.
4260 2006-01-05 Richard Guenther <rguenther@suse.de>
4262 PR tree-optimization/22555
4263 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4264 if one structure field is an array.
4265 * tree-ssa-operands.c (get_expr_operands): Continue scanning
4266 operands even if we found a subvar, but ignore VOPs in this
4268 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4270 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4272 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
4275 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4277 2006-01-05 Richard Guenther <rguenther@suse.de>
4278 Diego Novillo <dnovillo@redhat.com>
4280 * tree-pass.h (TODO_remove_unused_locals): Define.
4281 * gimple-low.c (expand_var_p, remove_useless_vars,
4282 pass_remove_useless_vars): Remove. Update all users.
4283 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4284 (remove_unused_locals): New function.
4285 * tree-flow.h (remove_unused_locals): Declare.
4286 * passes.c (execute_todo): Call remove_unused_locals if
4287 TODO_remove_unused_locals is set.
4288 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4289 * tree-ssa-dce.c (pass_dce): Likewise.
4290 * tree-outof-ssa.c (pass_del_ssa): Likewise.
4292 2006-01-05 Richard Guenther <rguenther@suse.de>
4294 * tree-flow.h (struct fieldoff): Decompose field to
4295 type, size and decl.
4296 * tree-ssa-alias.c (create_sft): Take type as parameter.
4297 (create_overlap_variables_for): Store type, size and decl
4298 in the fieldoff structure.
4299 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
4301 (push_fields_onto_fieldstack): Likewise.
4302 (create_variable_info_for): Likewise. Use offset for the
4303 SFT name if the decl is not available.
4305 2006-01-04 Paul Brook <paul@codesourcery.com>
4307 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
4309 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
4311 * lambda-code.c (can_put_in_inner_loop): Relax
4313 (can_put_after_inner_loop): New function.
4314 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
4315 (perfect_nestify): Change to make copies and modify uses.
4317 2006-01-04 Richard Henderson <rth@redhat.com>
4319 Merge from gomp branch:
4320 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
4321 via integer constant.
4322 (pragma_lex): Remove.
4323 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
4324 rather than parsing it.
4325 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
4326 handle_pragma_extern_prefix): Add %< %> quotes.
4327 (registered_pragmas): New.
4328 (c_register_pragma_1): New.
4329 (c_register_pragma): Use it.
4330 (c_register_pragma_with_expansion): Likewise.
4331 (c_invoke_pragma_handler): New.
4332 (init_pragma): Use cpp_register_deferred_pragma directly for
4334 * c-pragma.h (enum pragma_kind): New.
4335 (pragma_handler): New.
4336 (c_invoke_pragma_handler): Declare.
4337 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
4339 * c-common.h (c_common_pch_pragma): Update decl.
4340 * Makefile.in (c-parser.o): Update dependencies.
4341 (GTFILES): Add c-pragma.h.
4342 * c-parser.c (struct c_token): Add pragma_kind.
4343 (struct c_parser): Add in_pragma.
4344 (c_lex_one_token): Always initialize keyword and pragma_kind.
4345 Extract data for CPP_PRAGMA.
4346 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
4347 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
4348 Don't allow CPP_PRAGMA_EOL if in_pragma.
4349 (c_parser_consume_pragma): New.
4350 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
4351 (c_parser_skip_to_end_of_parameter): Likewise.
4352 (c_parser_skip_to_end_of_block_or_statement): Likewise.
4353 (c_parser_skip_to_pragma_eol): New.
4354 (c_parser_external_declaration): Handle CPP_PRAGMA.
4355 (c_parser_compound_statement_nostart): Likewise.
4356 (c_parser_statement_after_labels): Likewise.
4357 (c_parser_pragma): New.
4358 (pragma_lex): Likewise.
4359 (c_parser_pragma_pch_preprocess): New.
4360 (c_parser_new): Merge into ...
4361 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
4363 2006-01-04 Jeff Law <law@redhat.com>
4366 * tree-cfg.c (bsi_replace): Remove the original statement
4367 from the EH throw statement table.
4369 2006-01-04 Jakub Jelinek <jakub@redhat.com>
4371 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
4372 make the prototype extern "C" and add throw ().
4375 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
4376 and pos non-negative and pos + len <= 32.
4377 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
4378 drop pos + len < HOST_BITS_PER_WIDE_INT test.
4379 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
4382 * c-common.c (handle_vector_size_attribute): Reject zero vector size
4383 as well as sizes not multiple of component size.
4386 * function.c (instantiate_expr): New function.
4387 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
4388 walk its DECL_VALUE_EXPR with instantiate_expr.
4390 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
4391 DW_OP_deref{,_size} if address isn't going to be added.
4393 2006-01-04 Ben Elliston <bje@au.ibm.com>
4395 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
4396 * config/fp-bit.c: Likewise.
4398 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
4400 * dominance.c: Add comment about why we use DFS numbering
4403 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4404 Richard Henderson <rth@redhat.com>
4406 Merge from gomp-branch:
4407 * varasm.c (assemble_variable): Handle thread-local COMMON data.
4408 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
4410 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
4412 PR rtl-optimization/25578
4413 * combine.c (combine_simplify_rtx, force_to_mode): Don't
4414 pass a parameter to simplify_shift_const if changing ASHIFTRT
4417 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
4419 * builtins.c (get_builtin_sync_mem): New function.
4420 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4421 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
4422 Call get_builtin_sync_mem to generate mem rtx.
4424 2006-01-03 Richard Guenther <rguenther@suse.de>
4427 * stmt.c (add_case_node): Make sure to clear overflow flags
4430 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4432 Merge from gomp-branch.
4433 * config/sparc/sync.md: New file.
4434 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
4435 UNSPECV_LDSTUB): New constants.
4436 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
4437 * config/sparc/predicates.md (memory_reg_operand): New predicate.
4438 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
4441 2006-01-03 Roger Sayle <roger@eyesopen.com>
4443 * combine.c (reg_subword_p): New predicate to test whether the
4444 destination of a set refers to a subword/piece of a register.
4445 (try_combine): Generalize the code to merge the setting of a
4446 pseudo to a constant followed by a set of a subword of that
4447 register to a constant.
4449 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
4451 * basic-block.h (control_flow_graph): Change the type of
4452 x_label_to_block_map to VEC(basic_block,gc) *.
4453 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
4454 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
4456 * tree-ssa-propagate.c (cfg_blocks): Change the type to
4457 VEC(basic_block,heap) *.
4458 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
4459 ssa_prop_fini): Adjust the uses of cfg_blocks.
4461 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
4463 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
4465 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
4466 hashing trees instead of a pointer hash.
4467 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
4468 compare for MEM_EXPR.
4470 PR rtl-optimization/25130
4471 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
4472 when comparing MEMs for GCSE
4474 2006-01-03 Ben Elliston <bje@au.ibm.com>
4476 * targhooks.h (default_decimal_float_supported_p): Declare.
4477 * targhooks.c (default_decimal_float_supported_p): Define.
4478 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
4479 `default_decimal_float_supported_p'.
4480 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
4482 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
4484 * combine.c (apply_distributive_law <SUBREG>): Check
4485 TRULY_NOOP_TRUNCATION.
4487 2006-01-02 Geoffrey Keating <geoffk@apple.com>
4489 * dwarf2out.c (have_switched_text_section): Delete.
4490 (have_multiple_function_sections): New.
4491 (have_location_lists): Make 'bool'.
4492 (add_AT_loc_list): Use 'true' not '1'.
4493 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
4494 (output_loc_list): Use have_multiple_function_sections.
4495 (output_ranges): Likewise.
4496 (dwarf2out_begin_function): Set have_multiple_function_sections if
4498 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
4499 Check function_section rather than DECL_SECTION_NAME.
4500 (dwarf2out_finish): Use have_multiple_function_sections.
4501 Don't clear have_location_lists.
4503 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
4504 Jan Hubicka <jh@suse.cz>
4506 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
4507 case of conditional jump jumping to the next instruction.
4508 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
4509 cases of conditional jump jumping to the next instruction.
4511 2006-01-02 Jan Hubicka <jh@suse.cz>
4513 * i386.c (*_cost): Add COSTS_N_INSNS.
4514 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
4516 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
4519 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
4521 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4523 * config/arm/arm.c (all_fpus): Fix comment typo.
4524 * config/darwin.c: Likewise.
4525 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
4526 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
4527 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
4529 2006-01-01 David Edelsohn <edelsohn@gnu.org>
4531 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
4532 (rs6000_split_compare_and_swapqhi): New.
4533 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
4534 (sync_compare_and_swapqhi_internal): New.
4535 * config/rs6000/rs6000-protos.h: Declare.