1 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5 (tree_overlaps_hard_reg_set): Declare.
6 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7 type and signature to match function type expected by walk_tree.
8 (tree_overlaps_hard_reg_set): New function.
9 (decl_conflicts_with_clobbers_p): Rename to:
10 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11 Use tree_overlaps_hard_reg_set. Changed caller.
12 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14 * cris.c (cris_md_asm_clobbers): Likewise.
16 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
18 * reload1.c (emit_input_reload_insns): Delete code that tries to
19 inherit using find_equiv_reg.
21 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
23 * c-common.h (flag_const_strings): Don't declare.
24 * c-common.c (flag_const_strings): Remove.
25 * c.opt (fconst_strings): Remove.
26 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
27 <OPT_Wwrite_strings>: Don't set flag_const_strings.
28 (c_common_init_options): Don't set flag_const_strings.
29 * doc/invoke.texi (-fno-const-strings): Remove documentation.
31 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
33 * arm.md (tlobits_cbranch): New pattern.
34 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
37 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
40 * tree-ssa-pre.c (create_component_ref_by_pieces):
41 Handle RETURN_DECL like VAR_DECL.
43 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
46 * fold-const.c (fold_indirect_ref_1): Fold
47 "*(foo *)&complexfoo" to "__real__ complexfoo"
48 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
50 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
52 * tree-flow-inline.h (var_can_have_subvars):
53 Volatile variables should not have subvariables.
55 2006-02-09 Diego Novillo <dnovillo@redhat.com>
58 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
59 multiplying unsigned values.
62 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
64 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
66 2006-02-08 Jason Merrill <jason@redhat.com>
69 * tree.def: Elaborate on difference from MODIFY_EXPR.
70 * doc/c-tree.texi (INIT_EXPR): Likewise.
71 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
72 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
73 (gimplify_target_expr): Likewise.
74 (gimplify_cond_expr): Remove target handling.
75 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
76 (gimplify_expr): Clobber it here.
77 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
78 Do return slot optimization if we have an INIT_EXPR.
81 * tree-inline.c (declare_return_variable): Also clear
82 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
85 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
88 * gimplify.c (gimplify_one_sizepos): Fix typo.
90 2006-02-08 Jeff Law <law@redhat.com>
92 PR tree-optimization/21417
93 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
94 across a backedge if the control statement at the end of the
95 block is data dependent on other statements in the same block.
96 (record_temporary_equivalences_from_stmts): Remove over-conservative
97 test for threading across backedges.
99 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
100 control statement, handle all three special cases in the same
101 manner as they all have the same desired solution. No longer
102 special case edge flag updating when the post dominator is
105 2006-02-08 Roger Sayle <roger@eyesopen.com>
107 * tree.def (CHAR_TYPE): Remove.
108 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
109 * dwarf2out.c (base_type_die, is_base_type): Likewise.
110 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
111 (gen_string_type_die): Delete unreachable function.
113 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
114 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
115 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
116 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
117 * builtins.c (type_to_class): Likewise.
118 * fold-const.c (fold_convert, build_range_check,
119 merge_ranges): Likewise.
120 * expr.c (count_type_elements): Likewise.
121 * c-pretty-print.c (pp_c_type_specifier): Likewise.
122 * stor-layout.c (layout_type): Likewise.
123 * ipa-type-escape.c (type_to_consider): Likewise.
124 * gimplify.c (omp_firstprivatize_type_sizes,
125 gimplify_type_sizes): Likewise.
126 * explow.c (promote_mode): Likewise.
127 * tree-sra.c (is_sra_scalar_type): Likewise.
128 * varasm.c (output_constant): Likewise.
129 * tree-inline.c (remap_type_1): Likewise.
130 * convert.c (convert_to_pointer, convert_to_real,
131 convert_to_integer, convert_to_complex): Likewise.
133 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
135 * df-scan.c (df_def_record_1): A set destination may
136 be a parallel regardless of mode.
138 2006-02-08 Roger Sayle <roger@eyesopen.com>
141 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
142 * config/mips/_tilib.c: Remove.
143 * config/fixtfdi.c: New libgcc source file.
144 * config/fixunstfdi.c: New source file.
145 * config/floatditf.c: New source file.
146 * config/floatunditf.c: New souce file.
147 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
148 files above instead of config/mips/_tilib.c.
149 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
151 2006-02-08 Jeff Law <law@redhat.com>
153 PR tree-optimization/26169
154 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
157 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
159 * df.h (DF_REG_SIZE): Return the length of the initialized
162 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
164 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
165 __muldf3): Return a correctly signed zero.
167 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
169 * passes.c (register_one_dump_file): Accept the current properties
170 instead of pass number. Adjust call to dump_register. Remove
172 (register_dump_files): Now a wrapper around...
173 (register_dump_files_1): ... this one. Do not modify the pass
175 (next_pass_1): Cosmetic fix.
176 (execute_todo): Keep second parameter only. Use curr_properties
177 instead of fetching it from the pass structure. Check and set
179 (execute_one_pass): Handle TODO_set_props. Use curr_properties
180 instead of fetching it from the pass structure. Fix calls to
181 execute_todo. Update curr_properties and initialize .vcg RTL dump
182 after running the pass. Reset last_verified.
183 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
185 (FIRST_AUTO_NUMBERED_DUMP): New.
186 (dump_register): Remove "num" parameter, assign it within the
188 (get_dump_file_name): Modify template for dumps.
189 * tree-dump.h (dump_register): Adjust prototype.
190 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
191 (PROP_trees): Add PROP_gimple_lomp.
192 (TODO_set_props): New.
193 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
194 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
195 * cfgexpand.c (pass_expand): Destroy PROP_trees.
197 2006-02-08 Jakub Jelinek <jakub@redhat.com>
199 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
200 (sparc64-*-linux*): Likewise.
201 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
202 * config/sparc/t-linux: New file.
203 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
204 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
205 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
206 -m32 -mlong-double-128.
208 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
209 * config/alpha/t-linux: New file.
210 * config/alpha/libgcc-alpha-ldbl.ver: New file.
212 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
213 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
214 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
215 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
216 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
217 (CPP_ARCH32_SPEC): Remove.
219 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
221 PR tree-optimization/26145
222 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
225 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
228 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
229 >= 240000 when generating code for SOM runtime.
230 (output_indirect_call): Don't use "b,l" instruction for indirect calls
231 to $$dyncall when generating code for SOM runtime..
233 2006-02-07 Dirk Mueller <dmueller@suse.com>
236 * doc/invoke.texi (-Wsequence-point): Update documentation
237 that -Wsequence-point is implemented for C++ as well.
239 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
241 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
242 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
243 (LIB_SPEC): Likewise.
244 * doc/invoke.texi (SPARC options): Document -pthread.
246 2006-02-07 Geoffrey Keating <geoffk@apple.com>
248 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
251 2006-02-07 Roger Sayle <roger@eyesopen.com>
253 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
254 Correct comment describing BOOLEAN_TYPE.
256 2006-02-07 Dirk Mueller <dmueller@suse.com>
258 * c.opt: C++ frontend supports -Wdiv-by-zero.
259 * c-opts.c (c_common_handle_option): Remove dead case.
261 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
263 * configure.ac (TLS assembler check): Do not enable TLS by
264 default on SPARC/Solaris before version 10.
265 * configure: Regenerate.
267 2006-02-07 David Edelsohn <edelsohn@gnu.org>
269 * doc/invoke.texi (xl-compat): Document conversion and support
272 2006-02-07 Jeff Law <law@redhat.com>
274 * tree-vrp.c (find_conditional_asserts): Update comments.
275 (simplify_stmt_for_jump_threading): New.
276 (identify_jump_threads, finalize_jump_threads): New.
277 (vrp_finalize): Call identify_jump_threads.
278 (execute_vrp): Call finalize_jump_threads.
279 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
280 (vrp_element, vrp_data, vrp_element_p): Remove.
281 (vrp_hash_elt, vrp_variables_stack): Remove.
282 (vrp_hash, vrp_eq, record_range): Remove.
283 (simplify_cond_and_lookup_avail_expr): Remove.
284 (extract_range_from_cond): Remove.
285 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
286 (simplify_stmt_for_jump_threading): New.
287 (dom_thread_across_edge): New wrapper.
288 (tree_ssa_dominator_optimize): No longer initialize or
289 finalize any of the VRP datastructures. Remove iteration
290 step and simplify as a result of removal of iteration step.
291 (pass_dominator): Perform a cfg cleanup after DOM.
292 (dom_opt_finalize_block): Use the new common routines
293 for threading jumps. Simplify stack management slightly.
294 No longer need to unwind VRP state.
295 (record_equivalences_from_incoming_edge): No longer record
297 (eliminate_redundant_computations): No longer call
298 simplify_cond_and_lookup_avail_expr.
299 * tree-flow.h (potentially_threadable_block): Prototype.
300 (thread_across_edge): Likewise.
301 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
302 (tree-ssa-threadedge.o): Add dependencies.
303 * tree-ssa-threadedge.c: New file.
304 * passes.c (init_optimization_passes): Merge PHIs before
305 calling VRP. Run VRP again late in the SSA optimization pipeline.
307 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
309 * df-core.c (df_set_blocks): Do not dereference function pointers.
310 (df_finish1): Likewise.
311 (df_hybrid_search_forward): Likewise.
312 (df_hybrid_search_backward): Likewise.
313 (df_iterative_dataflow): Likewise.
314 (df_analyze_problem): Likewise.
315 (df_compact_blocks): Likewise.
317 * df-scan.c (df_rescan_blocks): Likewise.
318 (df_record_entry_block_defs): Likewise.
320 * genconditions.c (write_conditions): Guard the definition of
321 'insn_conditions' with the check on GCC version.
322 (write_writer): Guard the traversal 'insn_conditions' with
323 the check on GCC version.
325 2006-02-07 Richard Guenther <rguenther@suse.de>
329 2006-01-30 Richard Guenther <rguenther@suse.de>
331 * gimplify.c (gimplify_target_expr): Handle easy cases
332 without creating a temporary.
334 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
336 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
337 use of float in probability computations. Use edge probabilities
338 in place of statically computed probabilities.
339 (min_spec_prob): New static variable.
340 (schedule_insns): Initialize it.
341 (GET_SRC_PROB): Removed.
342 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
344 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
347 * config/ia64/unwind-ia64.c: Revert last change.
348 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
349 (INCOMING_FRAME_SP_OFFSET): Define.
351 2006-02-06 Roger Sayle <roger@eyesopen.com>
353 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
355 2006-02-07 Ben Elliston <bje@au.ibm.com>
357 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
358 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
359 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
360 (ix86_return_in_memory): Handle TDmode.
361 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
362 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
364 2006-02-06 Richard Sandiford <richard@codesourcery.com>
366 * reorg.c (dbr_schedule): Use dump_file instead of file.
368 2006-02-06 Steve Ellcey <sje@cup.hp.com>
371 * config/ia64/predicates.md (extr_len_operand): New predicate.
372 * config/ia64/ia64.md (extv): Tighten constraints.
374 (*tbit_and_2): Ditto.
375 (*tbit_and_3): Ditto.
381 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
384 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
386 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
388 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
389 loop_optimizer_init and loop_optimizer_finalize
390 * tree-ssa-sink.c (execute_sink_code): Ditto.
391 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
392 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
393 tree_ssa_loop_done): Ditto.
394 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
395 * sched-ebb.c: Include output.h.
396 (schedule_ebbs): Do not use dump argument.
397 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
398 * loop.c (loop_dump_stream): Removed.
399 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
401 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
402 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
403 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
404 loop_iterations, strength_reduce, record_biv, record_giv,
405 final_giv_value, check_final_value, check_ext_dependent_givs,
406 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
407 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
408 dump_file instead of loop_dump_stream.
409 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
411 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
413 * flow.c (life_analysis, rest_of_handle_life): Ditto.
414 * haifa-sched.c: Include output.h
415 (schedule_insns, sched_init): Do not use dump argument.
416 * mode-switching.c (optimize_mode_switching): Ditto.
417 * modulo-sched.c (stats_file): Removed.
418 (print_node_sched_params): Do not call argument dump_file.
419 (sms_schedule_by_order, loop_canon_p, sms_schedule,
420 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
422 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
424 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
425 rtl_loop_init, rtl_loop_done): Ditto.
426 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
427 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
429 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
430 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
431 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
432 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
433 * emit-rtl.c (renumber_insns): Ditto.
434 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
435 expand_gimple_basic_block, tree_expand_cfg): Ditto.
436 * regclass.c (regclass): Ditto.
437 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
438 remove_ssa_form, rewrite_out_of_ssa): Ditto.
439 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
440 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
442 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
443 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
445 * gcse.c (gcse_file, debug_stderr): Removed.
446 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
447 rest_of_handle_gcse): Do not use dump argument.
448 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
449 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
450 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
451 compute_code_hoist_vbeinout, compute_code_hoist_data,
452 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
453 compute_store_table, build_store_vectors, insert_insn_start_bb,
454 insert_store, remove_reachable_equiv_notes, replace_store_insn,
455 store_motion): Use dump_file instead of gcse_file.
456 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
457 * profile.c (profile_dump_file): Removed.
458 (branch_prob): Use dump_file instead of profile_dump_file.
459 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
461 * tree-ssa-copy.c (dump_copy_of): Ditto.
462 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
463 dump file to life_analysis.
464 * bt-load.c (branch_target_load_optimize): Ditto.
465 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
467 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
468 regclass, dbr_schedule): Declaration changed.
469 * sched-int.h (sched_init): Declaration changed.
470 * tree-profile.c (tree_profile_dump_file): Removed.
471 (tree_profile_hooks): Removed profile_dump_file hook.
472 * rtl-profile (rtl_profile_dump_file): Removed.
473 (rtl_profile_hooks): emoved profile_dump_file hook.
474 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
476 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
477 * tree-cfg.c (build_tree_cfg): Ditto.
478 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
479 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
481 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
482 life_analysis and schedule_insns.
483 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
485 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
487 * config/mips/mips.c (mips_reorg): Ditto.
488 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
491 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
493 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
494 (s390_mangle_fundamental_type): New.
495 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
498 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
499 (alpha_mangle_fundamental_type): New.
500 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
503 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
505 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
507 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
508 (sparc_mangle_fundamental_type): New.
510 2006-02-06 Jakub Jelinek <jakub@redhat.com>
512 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
513 (s390x-*-linux*): Likewise.
514 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
515 * config/s390/t-linux: New file.
517 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
519 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
520 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
522 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
524 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
525 (ANTIC_SAFE_LOADS): New macro.
526 (find_or_generate_expression): Add prototype.
527 (set_contains_value): Allow null set for sake of not always having
528 to allocate ANTIC_SAFE_LOADS.
529 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
530 Allow COMPONENT_REF too.
531 (valid_in_set): Allow COMPONENT_REF.
532 Check ANTIC_SAFE_LOADS too.
533 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
534 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
536 (can_PRE_operation): Add COMPONENT_REF.
537 (create_component_ref_by_pieces): New function.
538 (create_expression_by_pieces): Use create_component_ref_by_pieces.
539 (insert_aux): Move AGGREGATE_TYPE_P check here.
540 (compute_avail): Set bb local stmt uids.
541 (pass_pre): Use TODO_update_ssa_only_virtuals.
543 2006-02-06 Ben Elliston <bje@au.ibm.com>
545 * configure.ac: Unconditionally disable decimal float by default.
546 * configure: Regenerate.
548 2006-02-06 Ben Elliston <bje@au.ibm.com>
550 * read-rtl.c (read_name): Terminate reading on EOF.
552 2006-02-06 Ben Elliston <bje@au.ibm.com>
554 * dfp.c (decimal_real_arithmetic): Change second argument type
555 from int to enum tree_code. Do not always return true, but now
556 return result of any call to decimal_do helper functions.
557 * dfp.h (decimal_real_arithmetic): Update prototype.
559 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
561 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
563 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
566 * tree-cfg.c (cleanup_dead_labels): Also don't remove
569 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
571 * tree-vrp.c (cfg_loops): Removed.
572 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
573 Use current_loops instead of cfg_loops. Pass flags to
575 * cfgloopmanip.c (fix_loop_structure): Update only available
577 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
579 * modulo-sched.c (build_loops_structure): Removed.
580 (sms_schedule): Use loop_optimizer_init.
581 * loop-init.c (loop_optimizer_init): Use flags to determine
582 which properties of loops to prepare.
583 (rtl_loop_init): Pass flags to loop_optimizer_init.
584 * tree-ssa-sink.c (execute_sink_code): Ditto.
585 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
586 * tree-ssa-pre.c (init_pre): Ditto.
587 * cfgloop.h (LOOPS_NORMAL): New.
588 (loop_optimizer_init): Declaration changed.
590 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
592 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
593 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
595 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
597 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
599 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
600 * pa/t-pa64: Delete quadlib.c rule.
601 * pa/x-ada: Revert last change.
602 * pa/t-pa: Revert last change. Delete quadlib.c rule.
604 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
606 PR rtl-optimization/26087
607 * rtlanal.c (canonicalize_condition): Do not cross basic block
610 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
613 * config/ia64/ia64.c: Include debug.h.
614 (MAX_ARTIFICIAL_LABEL_BYTES): New.
615 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
616 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
617 (process_epilogue, process_set, process_for_unwind_directive):
618 Output unwind info only if requested. Add CFA info if requested.
619 Add new arguments as needed. Adjust callers.
620 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
622 (DWARF2_FRAME_INFO): Define to zero.
623 * config/ia64/unwind-ia64.c: Remove code that compensated for
624 the CFA offset error fixed above.
625 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
626 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
627 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
628 -funwind-tables and -fexceptions to enable frame info.
629 (dwarf2out_frame_init): Define initial CFA even if
630 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
631 DWARF2_UNWIND_INFO is nonzero, not just defined.
632 (dwarf2out_frame_finish): Output non-EH call frame info only
633 if DWARF2_FRAME_INFO is nonzero.
634 (convert_cfa_to_loc_list,
635 compute_frame_pointer_to_cfa_displacement): Define even if
636 unwind info is not supported.
637 (gen_subprogram_die): Use the above unconditionally. Remove
638 legacy alternate code.
639 * toplev.c (compile_file): Compile in call to
640 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
641 (lang_dependent_init): Ditto for dwarf2out_frame_init.
643 2006-02-04 David Edelsohn <edelsohn@gnu.org>
644 Jakub Jelinek <jakub@redhat.com>
646 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
647 IBM extended float format long double as "g" on powerpc*-linux.
649 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
652 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
653 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
655 2006-02-03 Jason Merrill <jason@redhat.com>
658 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
661 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
662 on the return slot if it's an NRV.
664 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
666 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
667 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
668 rewrite_use): Do not handle USE_OUTER.
669 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
670 add_iv_outer_candidates, may_replace_final_value,
671 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
672 (find_interesting_uses_op): Functionality of
673 find_interesting_uses_outer_or_nonlin moved here.
674 (find_interesting_uses_outside): Use find_interesting_uses_op.
676 2006-02-03 Alan Modra <amodra@bigpond.net.au>
679 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
681 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
682 Ulrich Weigand <uweigand@de.ibm.com>
685 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
686 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
687 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
688 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
690 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
691 (s390_rtx_costs): Use the new fields to calculate rtx costs.
692 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
693 Define secondary reloads for TFmode moves.
694 (constant_modes): Add TFmode.
695 (NR_C_MODES): Set to 8.
696 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
698 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
699 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
700 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
701 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
702 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
703 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
704 (FPR mode macro): Add TFmode.
705 (DSF mode macro): New.
706 (<de>, <dee> mode attributes): Removed.
707 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
708 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
709 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
710 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
711 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
712 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
713 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
714 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
715 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
716 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
717 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
718 "*negabs<mode>2", "sqrt<mode>2"):
719 Changed <de> to <xde>. R constraint replaced by <Rf>.
720 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
722 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
723 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
724 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
726 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
727 "extenddftf2", "extendsftf2"): New expanders.
728 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
729 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
730 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
731 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
733 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
734 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
735 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
736 __floatditf): Add a GCC_4.1.0 symbol version tag.
737 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
740 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
743 * config/i386/i386.c (ix86_function_ok_for_sibcall):
744 Use targetm.binds_local_p instead of TREE_PUBLIC.
746 2006-02-02 Roger Sayle <roger@eyesopen.com>
748 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
749 on INTEGER_TYPEs to indicate that it denotes a character type.
750 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
751 signed_char_type_node, unsigned_char_type_node and char_type_node.
752 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
753 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
754 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
756 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
757 Daniel Berlin <dberlin@dberlin.org>
759 * tree-tailcall.c (arg_needs_copy_p): New function.
760 (eliminate_tail_call): Use arg_needs_copy_p.
761 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
762 (add_virtual_phis): New function.
764 2006-02-02 Jakub Jelinek <jakub@redhat.com>
766 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
767 #ignore instead of #scratch for %g7 .register directive.
769 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
771 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
774 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
776 * flow.c (calculate_global_regs_live): Assert that there aren't any
779 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
781 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
783 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
784 bsi_after_labels iterator.
785 * tree-if-conv.c (find_phi_replacement_condition,
786 replace_phi_with_cond_modify_expr): Likewise.
787 * tree-scalar-evolution.c (scev_const_prop): Likewise.
788 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
790 2006-02-02 Diego Novillo <dnovillo@redhat.com>
792 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
794 2006-02-02 Diego Novillo <dnovillo@redhat.com>
797 * tree-cfg.c (move_block_to_fn): Clear out the basic block
798 array after growing it.
800 2006-02-01 Steve Ellcey <sje@cup.hp.com>
803 * fold-const.c (fold_checksum_tree): Change type of buf.
805 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
807 * reload.c (push_secondary_reload): Initialize t_icode.
809 2006-02-01 Jakub Jelinek <jakub@redhat.com>
811 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
812 -msoft-float -mlong-double-128 only issue a warning, but don't
813 swich to DFmode long double.
815 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
817 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
818 has a constant equivalent, iterate over equivalents for arg0,
819 calling simplify_relational_operation and if there's a result
820 cheaper than X, apply fold_rtx and return the result.
822 2006-02-01 Jan Hubicka <jh@suse.cz>
824 * opts.c (no_unit_at_a_time_default): New global variable.
825 (decode_options): Use it.
826 * opts.h (no_unit_at_a_time_default): Declare.
828 2006-02-01 Paul Brook <paul@codesourcery.com>
830 * function.c (assign_parm_setup_reg): Use function argument promotion
832 * expr.c (expand_expr_real_1): Use function argument promotion rules
835 2006-02-01 Steve Ellcey <sje@cup.hp.com>
837 * gcc.c (process_command): Change j to 'unsigned int'.
839 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
842 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
843 Use the corrected index for the character
844 out of the string constant.
846 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
848 * mode-switching.c (optimize_mode_switching): Fix size
849 allocated for bb_info[n_entities].
851 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
853 * gcc.c (main): Correct type that is allocated for
856 2006-01-31 Jakub Jelinek <jakub@redhat.com>
858 * config/s390/s390.c (init_alignment_context): Set
859 ALIAS_SET_MEMORY_BARRIER on the MEM.
860 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
862 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
865 * loop-unroll.c (unroll_loop_runtime_iterations): Free
867 * tree-ssa-live.c (type_var_init): Allocate bitmap after
870 2006-01-31 Marcin Dalecki <martin@dalecki.de>
872 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
873 * regrename.c: Ditto.
874 * tree-ssa-loop-im.c: Ditto.
875 * tree-dump.c: Ditto.
876 * tree-complex.c: Ditto.
878 * tree-ssa-threadupdate.c: Ditto.
880 * java/class.c: Ditto.
881 * java/jcf-parse.c: Ditto.
882 * java/resource.c: Ditto.
883 * java/except.c: Ditto.
884 * java/jvspec.c: Ditto.
885 * java/jcf-write.c: Ditto.
886 * java/jcf-path.c: Ditto.
887 * java/gjavah.c: Ditto.
888 * java/zextract.c: Ditto.
889 * java/jcf-io.c: Ditto.
891 * java/buffer.c: Ditto.
892 * java/lang.c: Ditto.
893 * java/parse-scan.y: Ditto.
896 * cfgloopmanip.c: Ditto.
897 * postreload-gcse.c: Ditto.
898 * tree-ssa-loop-manip.c: Ditto.
899 * postreload.c: Ditto.
900 * tree-ssa-loop-ch.c: Ditto.
904 * diagnostic.c: Ditto.
906 * genoutput.c: Ditto.
909 * cfgloopanal.c: Ditto.
910 * objc/objc-act.c: Ditto.
912 * genextract.c: Ditto.
913 * genautomata.c: Ditto.
914 * pretty-print.c: Ditto.
916 * cgraphunit.c: Ditto.
919 * haifa-sched.c: Ditto.
920 * dominance.c: Ditto.
922 * tree-ssa-loop-ivopts.c: Ditto.
924 * mode-switching.c: Ditto.
925 * modulo-sched.c: Ditto.
927 * ipa-pure-const.c: Ditto.
929 * fix-header.c: Ditto.
931 * tree-stdarg.c: Ditto.
932 * ipa-utils.c: Ditto.
933 * loop-init.c: Ditto.
934 * ipa-inline.c: Ditto.
937 * alloc-pool.c: Ditto.
938 * dwarf2out.c: Ditto.
940 * genattrtab.c: Ditto.
941 * tree-ssa-loop-ivcanon.c: Ditto.
945 * fortran/gfortranspec.c: Ditto.
947 * local-alloc.c: Ditto.
948 * langhooks.c: Ditto.
950 * tree-vectorizer.c: Ditto.
952 * ipa-type-escape.c: Ditto.
954 * tree-if-conv.c: Ditto.
957 * tree-data-ref.c: Ditto.
958 * loop-unroll.c: Ditto.
959 * treelang/treetree.c: Ditto.
962 * ggc-common.c: Ditto.
966 * tree-cfgcleanup.c: Ditto.
967 * tree-ssa-pre.c: Ditto.
968 * cfgcleanup.c: Ditto.
969 * loop-invariant.c: Ditto.
972 * print-tree.c: Ditto.
975 * sched-deps.c: Ditto.
977 * tree-object-size.c: Ditto.
979 * bb-reorder.c: Ditto.
981 * var-tracking.c: Ditto.
983 * df-problems.c: Ditto.
984 * reg-stack.c: Ditto.
987 * sched-rgn.c: Ditto.
988 * tree-ssa-structalias.c: Ditto.
989 * tree-ssa-reassoc.c: Ditto.
990 * config/darwin-c.c: Ditto.
991 * config/darwin.c: Ditto.
992 * config/arm/arm.c: Ditto.
997 2006-01-31 Nicolas Pitre <nico@cam.org>
999 * arm.md (smaxsi3): Make aware of smax_m1.
1002 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
1004 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1006 2006-01-31 Richard Guenther <rguenther@suse.de>
1008 * doc/invoke.texi (-msselibm): Document.
1009 * target.h (expand_library_builtin): New target hook.
1010 * builtins.c (expand_builtin): Use expand_library_builtin.
1011 (default_expand_library_builtin): New function.
1012 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1013 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1014 (link_gcc_math_spec): Declare.
1015 (static_specs): Add link_gcc_math_spec.
1016 * expr.h (default_expand_library_builtin): Declare.
1017 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1018 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1019 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1020 * config/i386/i386.opt (msselibm): New target option.
1021 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1022 (ix86_init_sse_abi_builtins): New function.
1023 (ix86_expand_library_builtin): Likewise.
1024 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1025 (override_options): Handle error conditions wrt -msselibm.
1026 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1027 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1028 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1031 2006-01-31 Richard Guenther <rguenther@suse.de>
1032 Paolo Bonzini <bonzini@gnu.org>
1034 * doc/install.texi (--disable-libgcc-math): Document.
1036 2006-01-30 Marcin Dalecki <martin@dalecki.de>
1038 * expr.h (expand_normal): new inline function.
1039 * builtins.c: use it, use EXPAND_NORMAL explicitely.
1041 * dwarf2out.c: use it.
1046 * config/sparc/sparc.c: use it.
1047 * config/i386/i386.c: use it.
1048 * config/rs6000/rs6000.c: use it.
1049 * config/arm/arm.c: use it.
1050 * config/mips/mips.c: use it.
1051 * stmt.c: use it, use EXPAND_NORMAL explicitely.
1053 2006-01-30 Roger Sayle <roger@eyesopen.com>
1055 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1056 argv to the appropriate type.
1058 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
1060 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1063 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
1066 * config/s390/s390.c (struct machine_function): New flag
1067 decomposed_literal_pool_addresses_ok_p.
1068 (s390_reorg): Set it before final stage of literal pool transforms.
1069 (s390_decompose_address): Only accept displacements of the form
1070 (minus (label_ref ...) (label_ref ...)) if that flag is set.
1072 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
1074 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1075 the comparison routine return.
1077 2006-01-30 Michael Matz <matz@suse.de>
1079 * global.c (find_reg): Only evict for global regs.
1080 Take n_refs into account and dump more info.
1082 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
1085 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1086 (pragma_trap, pragma_nosave_low_regs): Likewise.
1087 (current_function_anonymous_args): Likewise.
1088 (sh_deferred_function_attributes): New variable.
1089 (sh_deferred_function_attributes_tail): Likewise.
1090 (print_operand): For '@', look up trap_exit attribute.
1091 (calc_live_regs): Look up trapa_handler attribute. For trapa
1092 handlers, save/restore fpscr, but don't do any other
1093 interrupt-specific saves.
1094 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1095 Fix check for partially saved registers to check for SHmedia.
1096 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1097 (sh_output_function_epilogue): Don't clear any of the removed
1099 (sh_insert_attributes): Don't check pragma_interrupt.
1100 Insert deferred attributes. Check that interrupt attribute is
1101 present for other attributes that require its presence.
1102 (sh_attribute_table): Add new attributes trapa_handler and
1104 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1105 Don't check for pragma_interrupt. Don't store argument.
1106 * sh.h (pragma_interrupt, sp_switch): Don't declare.
1107 (sh_deferred_function_attributes): Declare.
1108 (sh_deferred_function_attributes_tail): Likewise.
1109 * sh.md (sp_switch_1): Add operand. Change generator caller.
1110 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1111 (*return_i): Don't use when trap_exit attribute is in effect.
1112 (*return_trapa): New insn pattern.
1114 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1115 setting c_target_objs and cxx_target_objs.
1116 * t-sh: Add rule for sh-c.o.
1118 2006-01-30 Richard Guenther <rguenther@suse.de>
1121 * gimplify.c (gimplify_target_expr): Handle easy cases
1122 without creating a temporary.
1124 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
1126 * vec.h (safe_grow): Remove duplicated line.
1128 2006-01-29 Diego Novillo <dnovillo@redhat.com>
1131 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1132 (expand_omp): ... here.
1133 (expand_omp_parallel): Only remove barriers for combined
1134 parallel+workshare constructs.
1136 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
1140 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1141 * tree.c (build_qualified_type): Chain the new type to the original
1142 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1143 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1144 (build_pointer_type_for_mode): Only return unqualified types.
1145 (build_reference_type_for_mode): Likewise.
1147 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
1149 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1150 * Makefile.in (CXX_COMPAT_WARN): Define.
1151 * configure: Regenerate.
1153 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
1156 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1159 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1161 * toplev.c: Fix thinko.
1163 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1164 Marcin Dalecki <martin@dalecki.de>
1166 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1167 (push_srcloc): Use XNEW.
1168 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1170 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1172 * df-core.c (df_set_blocks): Deleted all variable.
1174 2006-01-28 Ian Lance Taylor <ian@airs.com>
1176 * cgraphunit.c (cgraph_assemble_pending_functions): Call
1177 cgraph_output_pending_asms.
1179 2006-01-28 Zack Weinberg <zackw@panix.com>
1181 * c.opt: Add -W(no-)overlength-strings.
1182 * doc/invoke.texi: Document it.
1183 * c-opts.c (c_common_handle_option): -pedantic implies
1184 -Woverlength-strings, if not explicitly disabled already.
1185 (c_common_post_options): -Woverlength-strings defaults to off, and
1186 is always off for C++.
1187 * c-common.c (fix_string_type): Issue warning about strings longer
1188 than is portable only if warn_overlength_strings. Rearrange code
1189 a little for clarity.
1190 * configure.in: Check for -Wno-overlength-strings as well before
1191 enabling -pedantic in stage 1.
1192 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1193 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1195 * genconditions.c (write_header, write_one_condition)
1196 (write_conditions, write_writer): Consolidate very long strings
1197 that were broken up to fit in C89 portable limit. Don't use
1198 printf when fputs will do.
1200 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
1202 * combine.c (simplify_comparison <AND>): Check
1203 TRULY_NOOP_TRUNCATION before start using a subreg.
1205 * config/mips/mips.md (*branch_zero<mode>,
1206 *branch_zero<mode>_inverted, *branch_equality<mode>,
1207 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1208 Remove mode check from comparisons.
1210 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
1212 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1214 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1216 * expmed.c (const_mult_add_overflow_p): Remove.
1217 * expr.h: Remove the prototype for const_mult_add_overflow_p.
1219 * recog.c (validate_replace_rtx_subexp): Remove.
1220 * recog.h: Remove the prototype for
1221 validate_replace_rtx_subexp.
1223 * integrate.h: Remove the prototype for
1224 copy_decl_for_inlining.
1225 * rtl.h: Remove the prototype for mark_constant_function.
1226 * tree-vectorizer.h: Remove the prototype for
1227 vect_strip_conversion.
1229 * modulo-sched.c (create_partial_schedule,
1230 free_partial_schedule, reset_partial_schedule): Make them
1233 * hooks.c (hook_bool_rtx_int_false): Remove.
1234 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1236 2006-01-28 David Edelsohn <edelsohn@gnu.org>
1238 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1239 and -mlong-double-128 are incompatible.
1240 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1241 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1242 (TARGET_LIBGCC2_CFLAGS): Define.
1243 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1244 (TARGET_LIBGCC2_CFLAGS): Same.
1245 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1247 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1250 * c-typeck.c (build_binary_op): Perform implicit casts of
1251 operands before shortening them.
1253 * cfgloopmanip.c (split_loop_bb): Remove.
1254 * cfgloop.h: Remove the prototype for split_loop_bb.
1256 * cfgloop.c (flow_loop_outside_edge_p): Remove.
1257 * cfgloop.h: Remove the prototype for
1258 flow_loop_outside_edge_p.
1260 * emit-rtl.c (init_virtual_regs): Make it static.
1261 * function.h: Remove the prototype for init_virtual_regs.
1263 * recog.c (peephole2_optimize): Make it static.
1264 * recog.h: Remove the prototype for peephole2_optimize.
1266 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1268 * df-scan.c (df_record_entry_block_defs): Check if
1269 INCOMING_RETURN_ADDR_RTX is defined.
1271 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
1272 Kenneth Zadeck <zadeck@naturalbridge.com>
1274 PR rtl-optimization/24762
1275 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1276 * targhooks.c (hook_void_bitmap): New hook prototype.
1277 * targhoohs.h (hook_void_bitmap): Ditto.
1278 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1279 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1280 * target.h (live_on_entry): New function pointer.
1281 * df-scan.c (df_all_hard_regs): Removed.
1282 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1283 (df_scan_free_internal): Added df->entry_block_defs.
1284 (df_scan_alloc): Ditto.
1285 (df_scan_dump): Ditto.
1286 (df_uses_record): Plumbed flag field properly thru calls.
1287 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1288 This part fixes PR24762.
1289 (df_bb_refs_record): Added code to make the frame and arg
1290 pointers live in EH blocks.
1291 (df_refs_record): Added call to df_record_entry_block_defs.
1292 (df_record_entry_block_defs): New function.
1293 * df-core.c: Added comments to describe new artifical defs.
1294 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1295 (entry_block_defs): New field in struct df.
1296 (df_all_hard_regs): Deleted.
1297 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1298 * df-problems.c (df_ru_bb_local_compute_process_def):
1299 Added code to handle artifical defs in the entry to a function.
1300 (df_ru_bb_local_compute): Ditto.
1301 (df_rd_bb_local_compute_process_def): Ditto.
1302 (df_rd_bb_local_compute): Ditto.
1303 (df_lr_bb_local_compute): Ditto.
1304 (df_ur_bb_local_compute): Ditto.
1305 (df_urec_bb_local_compute): Ditto.
1306 (df_chain_create_bb): Ditto.
1307 (df_ur_local_finalize): Removed entry.
1308 (df_urec_init): Ditto.
1309 (df_urec_local_finalize): Ditto.
1310 (df_ri_bb_compute): Added detection of last use of pseudos.
1311 * Makefile.in (df-scan.o): Updated dependencies.
1312 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1313 * config/mips/mips.c (mips_set_live_on_entry): Added.
1314 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1316 * dce.c (marked_insn_p): Added code to handle artifical defs.
1318 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1320 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1322 (_mm_cvtsi128_si64): Likewise.
1323 (_mm_cvtsd_si64): Likewise.
1324 (_mm_cvttsd_si64): Likewise.
1325 (_mm_cvtsi64_sd): Likewise.
1326 (_mm_cvtsi64_si128): Likewise.
1327 * config/i386/mmintrin.h (_m_from_int64): Likewise.
1328 (_mm_cvtsi64_m64): Likewise.
1329 (_m_to_int64): Likewise.
1330 (_mm_cvtm64_si64): Likewise.
1331 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1332 (_mm_cvttss_si64): Likewise.
1333 (_mm_cvtsi64_ss): Likewise.
1334 (_mm_cvtss_f32): Likewise.
1336 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
1338 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1339 for pragma redefine_extname.
1341 2006-01-27 Jakub Jelinek <jakub@redhat.com>
1344 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1345 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1346 -mno-minimal-toc to previous content.
1347 (bispecs): Remove goal.
1348 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1349 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1350 compatibility aliases on powerpc-*-*gnu*.
1351 * config/rs6000/libgcc-ppc-glibc.ver: New file.
1352 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1353 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1354 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1355 (ldblspecs): New goal.
1356 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1357 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1359 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1360 L_sf_to_tf or L_df_to_tf is defined.
1362 2006-01-27 David Edelsohn <edelsohn@gnu.org>
1363 Alan Modra <amodra@bigpond.net.au>
1366 * config/rs6000/linux.h (POWERPC_LINUX): Define.
1367 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1368 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1369 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1370 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1371 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
1372 (rs6000_override_options): Initialize rs6000_ieeequad.
1373 Initialize TFmode format to ibm_extended_format if not
1375 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
1377 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
1378 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
1379 (function_arg_advance): IBM long double passed in two FPRs, not
1381 (function_arg): IBM long double passed in FPRs.
1382 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
1383 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
1384 Only multireg GPR aligned.
1385 (rs6000_init_libfuncs): Enable IBM long double functions if not
1387 (rs6000_generate_compare): Use IBM long double compare if not
1389 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
1390 (TARGET_IEEEQUAD): Define.
1391 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
1392 not TARGET_IEEEQUAD.
1393 * config/rs6000/rs6000.md: Enable TFmode patterns if
1395 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
1396 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1397 and -mlong-double-128 are incompatible.
1398 * doc/invoke.texi (-mabi): Collect options together. Add
1399 ibmlongdouble and ieeelongdouble.
1401 2006-01-27 Richard Sandiford <richard@codesourcery.com>
1403 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
1405 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
1406 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
1407 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
1408 * rtl.h (rtunion_def): Remove rt_ptr.
1410 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
1411 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
1412 * config/i386/winnt.c (i386_pe_mark_dllexport)
1413 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
1415 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
1417 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
1419 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1423 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
1424 pthread_key_delete. From John David Anglin. gthrw-ify
1425 pthread_getunique_np only if it it's not a macro. Delete
1427 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
1428 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
1429 __gthread_objc_condition_signal, __gthread_key_delete): Add
1430 "__attribute__ ((__unused__))" to unused arguments.
1431 (__gthread_recursive_mutex_init_function): Add missing return.
1432 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
1433 gthr-posix95.h: Use macro-based approach for name redirection
1434 on targets missing weakref.
1436 2006-01-26 Zack Weinberg <zackw@panix.com>
1438 * genconditions.c (write_header): In generated code, #ifdef out
1439 all includes and fake declarations, except includes of bconfig.h
1440 and system.h, unless GCC_VERSION >= 3001. Do not include
1441 gensupport.h in any case.
1442 (write_conditions): Generate a definition of struct c_test. Add
1443 a comment to the generated #endif.
1444 (write_one_condition): Escape backslashes in string too.
1445 (write_writer): Generated code must escape backslashes and quote
1446 marks (but not newlines) in the strings it writes.
1447 * Makefile.in (build/gencondmd.o): Update dependencies.
1449 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1452 * Makefile.in (insn-automata.o): Add header file dependencies.
1453 * genautomata.c: Add includes.
1455 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1458 * Makefile.in (insn-automata.o): Add -Wno-error flag.
1460 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1462 * configure.ac: Expect target tools paths to be passed from the toplevel
1463 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
1465 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
1467 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1470 * c.opt (Wpointer-sign): Init to -1.
1471 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
1472 OPT_pedantic, to 0 otherwise.
1473 * doc/invoke.texi: Update.
1475 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1477 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
1478 constants provided by 80387 instructions in the destination mode.
1480 2006-01-26 Richard Guenther <rguenther@suse.de>
1481 Andrew Pinski <pinskia@physics.uc.edu>
1484 partial PR tree-opt/17064
1485 * tree-ssa-structalias.c (intra_create_variable_infos):
1486 Create heap variables for incoming parameters if
1487 flag_argument_noalias > 1.
1488 (find_what_p_points_to): Look through default defs of
1491 2006-01-26 Jeff Law <law@redhat.com>
1494 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
1495 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
1496 within the VR_RANGE, use the VR_RANGE as the result, not the
1498 (adjust_range_with_scev): Reject ranges from SCEV which are out of
1499 bounds for the type.
1501 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
1503 * tree-ssa-alias.c (maybe_create_global_var): Change
1504 subvar walking to an assertion that we don't have subvar'd variables.
1506 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
1509 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1510 Use a new variable, inner. PARM_DECLs are always non-weak.
1512 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
1514 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1517 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
1519 * config/mips/mips.md (*clear_upper32): New combiner pattern.
1521 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
1523 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1524 (smax_insn, smin_insn, smax_0, smin_0): New.
1526 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
1529 * config/cris/cris.c (cris_order_for_addsi3): New function.
1530 * config/cris/cris-protos.h: Prototype it.
1531 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1532 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1533 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1534 (split for "op.S1 [rx=rx+i],ry (swapped)")
1535 (split for "op(s|u).S1 [rx=rx+i],ry")
1536 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1537 Apply cris_order_for_addsi3 when generating addsi3 insns.
1539 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1541 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1542 (TREE_BLOCK): Add call to EXPR_CHECK.
1544 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1547 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1548 * tree-pretty-print.c (dump_omp_clause): Extract from ...
1549 (dump_omp_clauses): ... here.
1550 (dump_generic_node): Handle OMP_CLAUSE.
1551 * tree.c (omp_clause_num_ops): New.
1552 (omp_clause_code_name): New.
1553 (tree_code_size): Handle OMP_CLAUSE.
1554 (tree_size): Likewise.
1555 (make_node): Document handling of OMP_CLAUSE.
1556 (tree_node_structure): Handle OMP_CLAUSE.
1557 (omp_clause_check_failed): New.
1558 (omp_clause_range_check_failed): New.
1559 (omp_clause_operand_check_failed): New.
1560 (build_omp_clause): New.
1561 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1562 * tree.h (enum omp_clause_code): Declare.
1563 (OMP_CLAUSE_SUBCODE_CHECK): Define.
1564 (OMP_CLAUSE_RANGE_CHECK): Define.
1565 (OMP_CLAUSE_ELT_CHECK): Define.
1566 (omp_clause_check_failed): Declare.
1567 (omp_clause_operand_check_failed): Declare.
1568 (omp_clause_range_check_failed): Declare.
1569 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1570 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1571 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1572 (OMP_CLAUSE_LASTPRIVATE): Likewise.
1573 (OMP_CLAUSE_IF_EXPR): Likewise.
1574 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1575 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1576 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
1577 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
1578 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
1579 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
1580 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
1581 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
1582 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
1583 (OMP_CLAUSE_CODE): Define.
1584 (OMP_CLAUSE_SET_CODE): Define.
1585 (OMP_CLAUSE_CODE): Define.
1586 (OMP_CLAUSE_OPERAND): Define.
1587 (struct tree_omp_clause): Declare.
1588 (union tree_node): Add field 'omp_clause'.
1589 * treestruct.def (TS_OMP_CLAUSE): Define.
1590 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
1591 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
1592 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
1593 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
1594 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
1595 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
1596 (OMP_CLAUSE): Define.
1597 * print-tree.c (print_node): Handle OMP_CLAUSE.
1598 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
1599 * c-typeck.c: Likewise.
1600 * gimplify.c: Likewise.
1601 * c-omp.c: Likewise.
1602 * tree-nested.c: Likewise.
1603 * tree-inline.c: Likewise.
1604 * c-parser.c: Likewise.
1605 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
1608 2006-01-25 Roger Sayle <roger@eyesopen.com>
1610 PR rtl-optimization/25703
1611 * combine.c (try_combine): Handle zero_extract and strict_low_part
1612 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
1614 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
1616 * global.c: Fix comment typos.
1618 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
1621 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
1622 Use output_addr_const instead of assemble_name.
1624 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
1626 * Makefile.in (sched-vis.o): Update dependencies.
1627 * haifa-sched.c (sched_finish): Clear current_sched_info.
1628 * cfg.c (dump_bb_info): New, split from dump_flow_info.
1629 (dump_flow_info): Call it.
1630 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
1632 * basic-block.h (dump_bb_info): Declare.
1633 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
1634 option, and apply options only for dump files whose TDF_RTL,
1635 TDF_TREE, or TDF_IPA bits match.
1636 * rtl.h: Declare new functions exported from sched-vis.c.
1637 * sched-vis.c: Enable also if scheduling is not used.
1638 (print_value): Print the mode of registers if not inside scheduling.
1639 (print_insn): Make it work outside the scheduler. Beautify the output
1641 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
1643 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1645 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
1646 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
1647 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
1648 depending on the value of CONSTANT_POOL_ADDRESS_P.
1649 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
1651 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
1652 rather than SYMBOL_REF_DECL.
1653 (rtx_constant_pool): Remove const_rtx_sym_htab.
1654 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
1655 (init_varasm_status): Don't initialize const_rtx_sym_htab.
1656 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
1657 Remove handling of const_rtx_sym_htab.
1658 (find_pool_constant): Delete.
1659 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
1660 rather than find_pool_constant.
1661 (get_pool_constant_for_function): Delete.
1662 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
1664 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
1665 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
1666 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
1667 (SYMBOL_REF_CONSTANT): New macro.
1668 (get_pool_constant_for_function): Delete.
1669 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
1670 rather than SYMBOL_REF_DECL.
1671 (i386_pe_mark_dllimport): Likewise.
1672 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
1673 rather than SYMBOL_REF_DECL.
1674 * config/darwin.c (machopic_indirect_data_reference): Likewise.
1675 (machopic_indirect_call_target): Likewise.
1677 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
1679 * flow.c (delete_noop_moves): Add missing EOL to dump message.
1681 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1683 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
1685 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
1687 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
1689 2006-01-24 David Daney <ddaney@avtrex.com>
1692 * configure.ac (enable_tls): New enable option.
1693 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
1694 * configure: Regenerate.
1695 * doc/install.texi (--enable-tls): Document new option.
1696 (--disable-tls): Ditto.
1698 2006-01-24 Richard Henderson <rth@redehat.com>
1700 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
1701 * alias.c (true_dependence): Respect it.
1702 (canon_true_dependence, write_dependence_p): Likewise.
1703 * builtins.c (get_builtin_sync_mem): Set it.
1705 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
1707 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
1710 2006-01-24 DJ Delorie <dj@redhat.com>
1712 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
1713 for storing constants in single-bit bitfields.
1715 2006-01-25 Ben Elliston <bje@au.ibm.com>
1717 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
1719 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
1722 * tree-ssa-pre.c (phi_translate): Return NULL
1723 for AGGREGATE_TYPE's.
1725 2006-01-24 Zack Weinberg <zackw@panix.com>
1727 * genautomata.c (process_state_for_insn_equiv_partition):
1728 Use xcalloc for insn_arcs_array.
1729 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
1730 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
1732 2006-01-24 Richard Henderson <rth@redhat.com>
1734 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
1737 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
1739 PR rtl-optimization/25890
1740 PR rtl-optimization/25905
1741 * combine.c (expand_compound_operation, expand_field_assignment):
1742 Fail if the bitfield's final position is out of bounds.
1744 2006-01-24 Ian Lance Taylor <ian@airs.com>
1747 * cgraphunit.c (cgraph_output_in_order): Don't clear
1748 cgraph_asm_nodes until after asm strings have been output.
1750 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
1752 * fix-header.c (read_scan_file): Add new parameter imultilib when
1753 calling register_include_chains.
1755 2006-01-23 Diego Novillo <dnovillo@redhat.com>
1757 * omp-low.c: Update documentation.
1759 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1760 Daniel Berlin <dberlin@dberlin.org>
1764 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
1765 return from the function.
1767 2006-01-22 Zack Weinberg <zackw@panix.com>
1769 * rtl.def (match_code): Add second argument.
1770 * genpreds.c (write_extract_subexp): New function.
1771 (write_match_code): Add path argument. Use write_extract_subexp.
1772 (write_predicate_expr): Pass path to write_match_code.
1773 (mark_mode_tests): MATCH_CODE applied to a subexpression does
1774 not perform a mode test.
1775 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
1776 a subexpression does not constrain the top-level code set.
1777 * read-rtl.c (read_rtx_variadic): New function.
1778 (read_rtx_1): Use it; allow AND and IOR to be variadic.
1779 * doc/md.texi: Document new notation.
1780 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
1781 (cmpsi_operand): ... here, using new notation.
1783 2006-01-22 Zack Weinberg <zackw@panix.com>
1785 * varray.c: Remove GENERATOR_FILE #ifdefs.
1787 2006-01-22 Zack Weinberg <zackw@panix.com>
1789 * genautomata.c (output_reserved_units_table): Emit nothing if
1790 description->query_units_num is zero. Remove extra blank line.
1791 (output_cpu_unit_reservation_p): Short circuit
1792 if description->query_units_num is zero.
1794 2006-01-22 Zack Weinberg <zackw@panix.com>
1796 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
1797 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
1798 nor any of the random handful of variables that used to be necessary
1799 when this program was linked with rtlanal.o. Prune set of forward
1800 function declarations.
1801 (struct attr_desc): Remove static_p field.
1802 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
1803 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
1804 (attr_string): Do not read the character one past the length of
1806 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
1807 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
1808 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
1809 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
1810 (make_automaton_attrs): New.
1811 (main): Do not call into genautomata. Call local gen_bypass
1812 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
1813 Remove special case for insn_alts.
1814 * genautomata.c: Include gensupport.h; not genattrtab.h nor
1815 varray.h (leftover from previous change). Prune set of forward
1816 function declarations. Remove state_alts fields from all
1817 structures. Remove state_alts_table from struct automaton.
1818 Make everything except main static. Do not maintain num_dfa_decls.
1819 Do not maintain state_alts fields of various structures.
1820 (process_decls): Don't validate condexp for dm_insn_reserv decls.
1821 (add_arc): Remove state_alts argument. All callers updated.
1822 (output_reserved_units_table): Emit #ifdef here...
1823 (output_tables): ...not here. Don't generate state_alts tables.
1824 (expand_automata): Don't generate attributes.
1825 (write_automata): Don't generate state_alts functions.
1826 (main): New function.
1827 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1828 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1829 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1830 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1831 (BYPASS_P_FUNC_NAME, output_state_alts_table)
1832 (output_automata_list_state_alts_code, output_internal_state_alts_func)
1833 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1834 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1836 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1837 * genattrtab.h: Delete file.
1838 * Makefile.in (OBJS-common): Add insn-automata.o.
1839 (insn-automata.o): New rule.
1840 (simple_generated_c): Add insn-automata.c.
1841 (build/genattrtab.o, build/genautomata.o): Update dependencies.
1842 (genprogmd): Add automata.
1843 (build/genattrtab): Needs no extra objects nor libraries.
1844 (build/genautomata): Needs build/vec.o and -lm.
1846 2006-01-22 Zack Weinberg <zackw@panix.com>
1848 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1849 (output_dfa_max_issue_rate, locked_states_num): Delete.
1850 (struct automaton): Add locked_states field.
1851 (output_dead_lock_vect): Save number of locked states in
1852 automaton->locked_states. If it is zero, don't print anything.
1853 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1854 (output_internal_dead_lock_func): Only test the dead_lock_vect
1855 for automata that have locked states.
1856 (output_statistics): Always print the number of locked states for
1857 each automaton. Calculate total number of locked states here.
1858 (write_automata): Don't call output_dfa_max_issue_rate.
1859 * genattrtab.c: Define length_unit_log as a const variable.
1860 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
1861 max_insn_queue_index const.
1862 * final.c (length_unit_log): Declare const.
1863 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1865 2006-01-22 Zack Weinberg <zackw@panix.com>
1867 * genautomata.c: Include vec.h, not varray.h.
1868 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1869 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
1870 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
1871 VEC_* macros operating on appropriately typed vectors, or to
1872 malloced arrays when the size is known in advance. Const-ify
1873 many char* variables and function arguments. No functional changes.
1874 * Makefile.in (build/varray.o): Delete rule.
1875 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1876 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1878 2006-01-22 Zack Weinberg <zackw@panix.com>
1880 * gensupport.c: Define get_insn_name and record_insn_name here.
1881 (read_md_rtx): Call record_insn_name as appropriate.
1882 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1883 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1884 * genpreds.c, genrecog.c: Don't define get_insn_name nor
1886 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1887 (BUILD_VARRAY): Delete.
1888 (genprognormal): Rename genprogmd. Fold in all programs from
1889 genprognoprint; also attrtab.
1890 (build/genattrtab): Just mention genautomata.o and varray.o.
1891 Reorganize a bit, add comments to make the categories clearer.
1893 2006-01-22 Zack Weinberg <zackw@panix.com>
1895 * genconditions.c (condition_table, add_condition): Delete.
1896 (write_conditions): Don't emit n_insn_conditions nor
1897 insn_elision_unavailable. Issue the gcc version #ifdef here,
1898 inside the table, with no #else clause ...
1899 (write_header): ...not here.
1900 (write_writer): New function.
1901 (main): Don't initialize condition_table. Use add_c_test.
1903 * gensupport.c (init_md_reader_args_cb): Handle multiple input
1904 files on the command line.
1905 (maybe_eval_c_test): Don't check insn_elision_unavailable.
1906 Return -1 if there is no entry in the table, don't abort.
1907 (add_c_test, traverse_c_tests): New functions.
1908 * gensupport.h (insn_elision_unavailable, insn_conditions)
1909 (n_insn_conditions): Delete declarations.
1910 (add_c_test, traverse_c_tests): Declare.
1911 * read-rtl.c: Include gensupport.h.
1912 (read_conditions): New function.
1913 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1914 (read_rtx_1): If we get EOF when we were looking for an initial
1915 open paren, return 0. Call read_conditions when appropriate.
1916 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1917 dummy-conditions.o. Eliminate references to insn-conditions.o,
1918 or change them to build/gencondmd.o, as appropriate. Remove
1919 insn-constants.h from $(simple_generated_h) and insn-conditions.c
1920 from $(simple_generated_c). For all files remaining in those
1921 two lists, add insn-conditions.md to the generator command line.
1922 Give insn-constants.h/s-constants their own rules. Add rules
1923 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1924 (build/read-rtl.o): Depend on gensupport.h.
1925 (genprognormal): Include preds.
1926 (genprogearly): Rename genprognoprint; only difference is now that
1927 they don't link with $(BUILD_PRINT).
1928 * dummy-conditions.c: Delete.
1930 2006-01-22 Zack Weinberg <zackw@panix.com>
1932 * genextract.c: Don't include insn-config.h. Do include vec.h.
1933 Declare vectors of int, char, and locstr.
1934 (locstr): New typedef.
1935 (struct extraction): Make all array fields into bare pointers.
1936 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1937 (insn_code_number): Delete.
1938 (accum_extract): New struct.
1939 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1940 (gen_insn): Take insn_code_number as an argument. Use an
1941 accum_extract structure instead of loading data directly into
1942 a struct extraction, and having to know how big it might get.
1943 (walk_rtx): Operate entirely on an accum_extract structure.
1944 (print_path): Avoid unnecessary use of printf.
1945 (print_header): New function, split out of main. Distinguish
1946 more carefully between an unrecognizable insn and an insn that
1947 has the code number of a define_expand.
1948 (main): Pass insn_code_number to gen_insn. Call print_header
1949 only after parsing. Avoid unnecessary use of printf.
1950 * Makefile.in (build/vec.o): New rule.
1951 (build/genextract): Depend on build/vec.o.
1952 (build/genextract.o): Don't depend on insn-config.h.
1954 2006-01-22 Zack Weinberg <zackw@panix.com>
1956 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
1957 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
1958 practical. Eliminate per-generator-program link rules.
1960 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1963 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1964 with a call expr to ...
1965 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1967 2006-01-23 Richard Guenther <rguenther@suse.de>
1969 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
1970 before make_edge with conditional EDGE_TRUE_VALUE.
1972 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
1973 Jan Hubicka <jh@suse.cz>
1974 Richard Guenther <rguenther@suse.de>
1976 PR rtl-optimization/25654
1977 * cfgexpand.c (aggregate_contains_union_type): New function.
1978 (add_alias_set_conflicts): Call it. Make sure to add conflicts
1979 for structure variables that contain a union type.
1981 2006-01-23 Richard Sandiford <richard@codesourcery.com>
1983 * gengtype.c (new_structure): Return the structure.
1984 (create_option): Add an extra "next" argument.
1985 (create_field): New function.
1986 (adjust_field_rtx_def): Use create_option and create_field.
1987 Remove a now-unnecessary call to find_structure.
1988 (adjust_field_tree_def): Likewise.
1989 (note_yacc_type): Remove an unnecessary call to find_structure.
1990 * gengtype.h (new_structure): Return the structure.
1991 (create_option): Add an extra argument.
1992 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
1993 (option): Adjust calls to create_option.
1995 2006-01-22 David Edelsohn <edelsohn@gnu.org>
1997 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
1999 2006-01-22 Paul Brook <paul@codesourcery.com>
2000 Peter Barada <peter@the-baradas.com>
2002 * config/m68k/m68k.md: Add Coldfire FPU support.
2003 Define FP mode macro and associated attributes.
2004 Use it for float mode patterns.
2005 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2006 (LIBCALL_VALUE): Use m68k_libcall_value.
2007 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2008 (m68k_function_value): Ditto.
2009 (emit_move_sequence): Ditto.
2010 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2011 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2012 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2013 (MULTILIB_EXCEPTIONS): Ditto.
2014 * config/m68k/m68k.opt: Add mcfv4e.
2015 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2016 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2017 (m68k_output_function_prologue): Save ColdFire FPU registers.
2018 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2019 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2020 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2021 ColdFire FPU registers.
2022 (m68k_libcall_value, m68k_function_value): New functions.
2023 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2024 (LIBCALL_VALUE): Use m68k_libcall_value.
2025 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2026 (MASK_COLDFIRE): Add MASK_CFV4E.
2027 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2028 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2029 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2030 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2031 (GO_IF_LEGITIMATE_ADDRESS): Use it.
2032 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2033 * doc/invoke.tex: Document -mcfv4e on m68k.
2035 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2037 * doc/contribute.texi: Change CVS to SVN and update the corresponding
2040 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
2043 * c-opts.c (c_common_handle_option): Don't include
2044 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2045 * doc/invoke.texi (C++ Dialect Options): Document that
2046 -Wnon-virtual-dtor is no longer included in -Wall.
2048 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
2050 * gcov.c (print_version), gcov-dump.c (print_version),
2051 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2054 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
2056 * df-scan.c (problem_SCAN): Added NULL reset function.
2057 (df_scan_reset_blocks): Added code to call reset block function
2058 (df_bb_refs_delete) Fixed comment.
2059 (df_insn_refs_delete): Made tolerant of deleting non existent info
2060 for dataflow problems that need to be reset.
2061 * df-core.c (df_set_blocks): Ditto.
2062 * df.h (struct df_problem): Added reset_fun.
2063 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2064 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2065 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2066 functions to clear out all references to def-use or use-def chains.
2068 2006-01-21 Ben Elliston <bje@au.ibm.com>
2070 * varasm.c (assemble_real): Initialise data array.
2072 2006-01-20 Paul Brook <paul@codesourcery.com>
2074 Merge from csl-arm-branch.
2075 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2076 * config/arm/arm.md (movdi): Force operands[1] to a register
2077 if we have a non-register source.
2078 (*arm_movdi, *movdf_soft_insn): Require that one of the
2079 operands be a register.
2080 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2081 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2083 2006-01-20 DJ Delorie <dj@redhat.com>
2085 * varasm.c (initialize_constant_valid_p): Allow pointers
2086 initialized from integer constants of lesser precision.
2087 (output_constant): Allow non-int-sized pointer modes to be
2088 initialized from integer constants.
2090 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
2093 * cppdefault.h (struct default_include): Add multilib flag.
2094 * cppdefault.c (cpp_include_defaults): Set it.
2095 * c.opt (-imultilib): New option.
2096 * c-opts.c (imultilib): New.
2097 (c_common_handle_option): Handle -imultilib.
2098 (c_common_post_options): Likewise.
2099 * c-incpath.c (add_standard_paths, register_include_chains):
2101 * c-incpath.h (register_include_chains): Add extra parameter.
2102 * gcc.c (do_spec_1): Generate -imultilib option.
2103 (The Specs Language): Update %I description.
2104 (process_command): Update copyright notice.
2105 * doc/cppopts.texi (-imultilib): Document.
2106 * doc/invoke.texi (-imultilib): Include in option summary.
2107 (%I): Update specs documentation.
2109 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2111 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2113 2006-01-20 Richard Sandiford <richard@codesourcery.com>
2115 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2118 2006-01-20 Richard Guenther <rguenther@suse.de>
2119 Steven Bosscher <stevenb.gcc@gmail.com>
2121 PR rtl-optimization/24626
2122 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2123 EDGE_TRUE_VALUE if in RTL mode.
2126 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2127 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2129 2006-01-20 Dirk Mueller <dmueller@suse.com>
2132 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2133 instead of a special NOP marker.
2134 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2135 NOP marker handling.
2136 * c-common.h (empty_body_warning): Add forward declaration.
2137 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2138 Now uses IS_EMPTY_STMT() instead of special NOP markers.
2140 2006-01-20 Paul Brook <paul@codesourcery.com>
2142 * Makefile.in (lang_checks): Keep going if mkdir fails.
2144 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2146 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2147 be able to clean out basic block when not necessary.
2148 (df_scan_free): Fixed to properly delete information if df is
2149 unused before calling df_finish.
2150 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2151 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2153 (df_bb_refs_delete): New function.
2154 (df_refs_delete): Moved per block code to df_bb_refs_delete.
2155 * df-core.c (df_set_blocks): Added code to properly clean out
2156 unused blocks if they are not part of the blocks to consider.
2157 Added additional null check.
2158 (df_compact_blocks): Added basic block parameter to free_bb_fun to
2159 be able to clean out basic block when not necessary
2160 * df.h (df_free_bb_function): Ditto.
2161 (df_bb_refs_delete): New function.
2162 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2163 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2164 basic block parameter to be able to clean out basic block when not
2166 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2167 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2168 Fixed to properly delete information if df is unused before
2171 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2173 PR rtl-optimization/25799
2174 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2175 Corrected confluence operator to remove bits from op2 before oring
2176 with op1 rather than removing bits from op1.
2177 (df_ru_transfer_function): Corrected test on wrong bitmap which
2178 caused infinite loop. Both of these problems were introduced in
2179 the dataflow rewrite.
2181 2006-01-19 DJ Delorie <dj@redhat.com>
2183 * reload1.c (find_reload_regs): Note the details of reload
2184 failures in the dump file.
2185 (spill_failure): Likewise.
2187 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2189 * loop-iv.c: Include df.h and hashtab.h.
2190 (enum iv_grd_result): New enum.
2191 (DF_REF_IV, DF_REF_IV_SET): New macros.
2192 (struct biv_entry): New.
2193 (df, bivs): New global variables.
2194 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2195 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2197 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2198 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2199 analyzed_for_bivness_p, record_biv): New functions.
2200 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2201 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2202 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2204 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2206 (iv_number_of_iterations): Use new interface to iv analysis.
2207 * loop-unroll.c: Do not include varray.h.
2208 (analyze_iv_to_split_insn): Use new interface to iv
2210 * loop-unswitch.c (may_unswitch_on): Ditto.
2211 * df.c (df_bitmaps_free): Only work for bbs for that structures are
2213 (df_bb_modify): Realloc tables to the new index.
2214 (df_find_use): New function.
2215 * df.h (df_find_use): Declare.
2216 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2218 * cfgloop.h (struct rtx_iv): Remove analysed field.
2219 (iv_get_reaching_def): Removed.
2220 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2221 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2222 (loop-iv.o): Add df.h and hashtab.h dependency.
2223 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2225 2006-01-20 Alan Modra <amodra@bigpond.net.au>
2228 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2230 (__floatundisf, __floatundidf): Likewise.
2231 * libgcc2.h (IS_IBM_EXTENDED): Define.
2233 2006-01-19 DJ Delorie <dj@redhat.com>
2235 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2237 2006-01-19 Paul Brook <paul@codesourcery.com>
2239 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2240 as nothrow when unwinding tables are disabled.
2242 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2245 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2246 of bit-field" when in system header.
2248 2006-01-19 DJ Delorie <dj@redhat.com>
2250 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2251 the 16 bit shift limit of the m16c.
2253 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
2256 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2257 * config/i386/i386.c (output_set_got): Output the label if we have one
2258 for the TARGET_DEEP_BRANCH_PREDICTION case.
2260 2006-01-19 Jan Hubicka <jh@suse.cz>
2261 H.J. Lu <hongjiu.lu@intel.com>
2262 Evandro Menezes <evandro.menezes@amd.com>
2264 * invoke.texi (generic): Document
2266 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2267 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2268 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2269 (x86_use_incdec, x86_pad_returns): New variables
2270 (TARGET_CPU_DEFAULT_generic): New constant
2271 (TARGET_CPU_DEFAULT_NAMES): Add generic.
2272 (enum processor_type): Add generic32 and generic64.
2273 * i386.md (cpu attribute): Add generic32/generic64
2274 (movhi splitter): Behave sanely when both partial_reg_dependency and
2275 partial_reg_stall are set.
2276 (K8 splitters): Enable for generic as well.
2277 * predicates.md (incdec_operand): Use TARGET_INCDEC
2278 (aligned_operand): Avoid memory mismatch stalls.
2279 * athlon.md: Enable for generic64, new patterns for 128bit moves.
2280 * ppro.md: Enable for generic32
2281 * i386.c (generic64_cost, generic32_cost): New.
2282 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2283 (x86_use_leave): Enable for generic64. (x86_use_sahf,
2284 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
2285 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2286 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2287 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2288 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2289 x86_accumulate_outgoing_args, x86_prologue_using_move,
2290 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2291 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2293 (x86_use_incdec, x86_pad_returns): New.
2294 (override_options): Add generic32 and generic64, translate "generic"
2295 to generic32/generic64 and "i686" to "generic32", refuse
2296 "generic32"/"generic64" as arch target.
2297 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2298 (ix86_reorg): Honor PAD_RETURNS.
2300 2006-01-19 Diego Novillo <dnovillo@redhat.com>
2302 * tree-pretty-print.c (dump_generic_node): Handle
2303 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2304 * cgraph.c (cgraph_expand_queue): Rename from
2305 cgraph_analyze_queue. Update all users.
2306 * cgraphunit.c (cgraph_assemble_pending_functions): Process
2307 cgraph_expand_queue.
2308 (cgraph_expand_all_functions): Likewise.
2309 (cgraph_finalize_pending_functions): Remove. Update callers.
2311 * tree.h (OMP_DIRECTIVE_P): Define.
2312 (OMP_PARALLEL_FN): Define.
2313 (OMP_PARALLEL_DATA_ARG): Define.
2314 (OMP_SECTIONS_SECTIONS): Define.
2315 * tree-pass.h (pass_expand_omp): Declare.
2316 * omp-low.c (struct omp_region): Declare.
2317 (struct omp_context): Remove fields 'parallel_type',
2318 'parallel_start_ix' and 'parallel_start_additional_args'.
2320 (struct omp_for_data): Rename from struct expand_omp_for_data.
2321 (omp_regions): New static variable.
2322 (root_omp_region): New static variable.
2323 (find_omp_clause): Make static.
2324 (is_in_combined_parallel_ctx): Remove.
2325 (is_combined_parallel): New.
2326 (extract_omp_for_data): Move earlier in the file.
2327 (workshare_safe_to_combine_p): New.
2328 (get_ws_args_for): New.
2329 (determine_parallel_type): Move earlier in the file.
2330 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2332 (omp_copy_decl): Likewise.
2333 (create_omp_child_function): Likewise.
2334 (lookup_omp_region): New.
2335 (dump_omp_region): New.
2336 (debug_omp_region): New.
2337 (debug_all_omp_regions): New.
2338 (new_omp_region): New.
2339 (scan_omp_parallel): If parallel_nesting_level > 1, the
2340 directive is nested within another parallel directive.
2341 Set OMP_PARALLEL_FN.
2342 (scan_omp_for): Do not try to handle combined parallel+for
2344 Remove FIXME comment.
2345 (scan_omp_nested): Remove.
2346 (scan_omp_1): Do not call scan_omp_nested when
2347 parallel_nesting_level is > 1.
2348 Do not change the DECL_CONTEXT of local variables found.
2349 (lookup_decl_in_outer_ctx): New.
2350 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2351 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2352 (lower_reduction_clauses): Rename from expand_reduction_clauses.
2353 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2354 If CTX is nested, lookup VAR in the outer context when
2355 building copy assignment.
2356 (lower_send_clauses): Rename from expand_send_clauses.
2357 If CTX is nested, lookup VAR in the outer context when
2358 building copy assignments.
2359 (lower_send_shared_vars): Rename from expand_send_shared_vars.
2360 If CTX is nested, lookup VAR in the outer context when
2361 building copy assignments.
2362 (expand_parallel_call): Rename from build_parallel_call.
2363 Handle combined parallel+workshare cases.
2364 Re-implement to emit code into the CFG.
2366 (expand_omp_parallel): Re-implement to emit code into the CFG.
2367 Call move_sese_region_to_fn to outline the sub-graph
2368 containing the parallel region.
2369 (expand_omp_for_1): Remove.
2370 (expand_omp_for_generic): Re-implement to emit code into the
2372 (expand_omp_for_static_nochunk): Likewise.
2373 (expand_omp_for_static_chunk): Likewise.
2374 (expand_omp_for): Likewise.
2375 (expand_omp_sections): Likewise.
2376 (remove_exit_barriers): New.
2377 (expand_omp_synch): New.
2379 (build_omp_regions_1): New.
2380 (build_omp_regions): New.
2381 (execute_expand_omp): New.
2382 (gate_expand_omp): New.
2383 (pass_expand_omp): Define.
2384 (lower_omp_sections): Rename from expand_omp_sections.
2385 Set OMP_SECTIONS_SECTIONS.
2386 (lower_omp_single_simple): Rename from expand_omp_single_simple.
2387 (lower_omp_single_copy): Rename from expand_omp_single_copy.
2388 (lower_omp_single): Rename from expand_omp_simple.
2389 (lower_omp_master): Rename from expand_omp_master.
2390 (lower_omp_ordered): Rename from expand_omp_ordered.
2391 (lower_omp_critical): Rename from expand_omp_critical.
2392 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
2393 (lower_omp_for): Re-implement.
2394 (lower_omp_parallel): Re-implement.
2395 (lower_regimplify): Rename from expand_regimplify.
2396 (lower_omp_1): Rename from expand_omp_1.
2397 If there are syntax errors in the program, replace every
2398 OpenMP directive with NOP.
2399 Call lower_omp_* instead of expand_omp_*.
2400 (lower_omp): Rename from expand_omp.
2402 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
2403 * tree-gimple.h (enum omp_parallel_type): Remove.
2404 (gimple_boolify): Declare extern.
2405 (find_omp_clause, determine_parallel_type): Remove.
2407 * gimple-low.c (lower_omp_directive): New.
2408 (lower_stmt): Call it.
2409 (record_vars_into): Move from ...
2410 (record_vars): ... here.
2411 Call record_vars_into with current_function_decl.
2413 * gimplify.c (struct gimplify_ctx): Remove fields
2414 combined_pre_p and combined_ctxp. Update users.
2415 (get_formal_tmp_var): Add documentation.
2416 (gimple_boolify): Make extern.
2417 (gimplify_expr_in_ctx): Remove. Update callers.
2418 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
2419 will always be a BIND_EXPR.
2420 (gimplify_expr): Handle OMP_RETURN_EXPR.
2421 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
2422 (OMP_PARALLEL): Add 3 operands.
2423 (OMP_SECTIONS): Add 1 operand.
2424 (OMP_RETURN_EXPR): Define.
2426 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
2427 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
2428 * tree-iterator.c (alloc_stmt_list): Assert that we are not
2429 creating a circular free list.
2430 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
2432 * tree-flow.h (move_sese_region_to_fn): Declare.
2433 (record_vars_into): Declare.
2434 * tree-cfg.c (make_omp_sections_edges): New.
2435 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
2436 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
2437 OMP_SECTIONS and OMP_SECTION.
2438 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
2439 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
2440 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
2441 (gather_blocks_in_sese_region): New.
2442 (struct move_stmt_d): Declare.
2444 (move_block_to_fn): New.
2445 (move_sese_region_to_fn): New.
2447 * passes.c (init_optimization_passes): Schedule
2448 pass_expand_omp after pass_init_datastructures.
2450 * tree-ssa-operands.c (get_expr_operands): Handle
2451 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
2452 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
2454 2006-01-19 Jeff Law <law@redhat.com>
2456 * tree-vrp.c (extract_range_from_assert): Refine the result range
2457 if the variable referenced by the ASSERT_EXPR has a range and
2458 either the tentative result range or the previous range is a
2461 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2463 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2465 2006-01-19 Jan Hubicka <jh@suse.cz>
2467 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
2469 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
2471 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
2472 (expand_compound_operation, expand_field_assignment): Fail if the
2473 bit lengths of an extract operation are out of range.
2474 (make_extraction): Compute wanted_inner_mode based on the position
2475 and length of the extraction. Make it extraction_mode for non-constant
2476 positions, and do not modify offset in that case. When generating a
2477 new MEM, use a mode that can hold the extraction while keeping correct
2478 alignment. Remove code that supported MEMs wrapped by USEs.
2479 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
2481 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
2483 * config/s390/s390.md ("Y", "y"): New mode attribute.
2484 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2485 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
2486 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
2487 "*addsi3_imm_cc", "*addsi3_carry1_cc",
2488 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
2489 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
2490 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
2491 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
2492 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
2493 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
2494 "addsi3", "subsi3"): Insn patterns removed.
2495 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
2496 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
2497 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
2498 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
2499 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
2500 "*sub<mode>3_cconly2"): New insn patterns.
2501 ("addsi3", "subsi3"): New expanders.
2503 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
2505 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
2506 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
2507 existing STMT_VINFO_VECTYPE if available.
2508 (vect_mark_relevant): Add special handling for stmts that are
2509 marked as STMT_VINFO_IN_PATTERN_P.
2510 (vect_analyze_loop): Call vect_pattern_recog.
2511 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2512 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2514 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2515 (vect_recog_func_ptr): New function-pointer type.
2516 * tree-vect-patterns.c: New file.
2517 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2518 (vect_recog_dot_prod_pattern, vect_pattern_recog):
2519 (vect_pattern_recog_1): New functions.
2520 (vect_pattern_recog_funcs): New array of function pointers.
2522 * tree-vectorizer.h (ternary_op): New enum value.
2523 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2524 declaration. Revised documentation. Removed redundant dump prints.
2525 Removed redundant argument. Added support for reduction patterns.
2526 (vectorizable_reduction): Added support for reduction patterns.
2527 (vect_transform_stmt): Added support for patterns.
2529 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2530 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2531 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2532 (expand_widen_pattern_expr): New function.
2533 (init_optabs): Initialize new optabs udot_prod_optab,
2535 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2536 (sdot_prod_optab, udot_prod_optab): Define new optabs.
2537 (expand_widen_pattern_expr): New function declaration.
2538 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2540 * tree-inline.c (estimate_num_insns_1): Added cases for new
2541 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2542 * tree-pretty-print.c (dump_generic_node): Likewise.
2543 (op_prio): Likewise.
2544 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2545 * tree-ssa-operands.c (get_expr_operands): Added case for
2547 * tree-vect-patterns.c (widened_name_p): New function.
2548 (vect_recog_dot_prod_pattern): Added function implementation.
2549 * tree-vect-transform.c (get_initial_def_for_reduction): Added
2550 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2551 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2552 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2554 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2555 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2556 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2557 (init_optabs): Initialize new optabs widen_ssum_optab,
2559 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2560 (widen_ssum_optab, widen_usum_optab): Define new optabs.
2561 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2562 use instead of type of def.
2563 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2564 function implementation.
2565 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2566 widen_ssumv8hi): New.
2568 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2571 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2574 * c-decl.c (add_flexible_array_elts_to_size): New function.
2575 (finish_decl): Use it.
2577 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
2579 * diagnostic.h: Include options.h.
2580 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
2581 dependancies for diagnostic.h.
2582 * Makefile.in (DIAGNOSTIC_H): Add options.h.
2584 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
2586 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
2587 (ssa_ro_call_cache_valid): Ditto.
2588 * tree-ssa-alias.c (sort_tags_by_id): New function.
2589 (init_transitive_clobber_worklist): Ditto.
2590 (add_to_worklist): Ditto.
2591 (mark_aliases_call_clobbered): Ditto.
2592 (compute_tag_properties): Ditto.
2593 (set_initial_properties): Ditto.
2594 (compute_call_clobbered): Ditto.
2595 (compute_may_aliases): Call compute_call_clobbered and grouping.
2596 (compute_flow_sensitive_aliasing): Remove clobbering related code.
2597 (compute_flow_insensitive_aliasing): Grouping now happens in our
2599 (setup_pointers_and_addressables): Remove clobbering related code.
2600 (add_may_alias): Ditto.
2601 (replace_may_alias): Ditto.
2602 (get_nmt_for): Ditto.
2603 (create_global_var):
2604 (is_escape_site): Return an escape_type enumeration.
2605 * tree-flow-inline.h (is_call_clobbered): Global var does not
2606 imply call clobbered.
2607 (mark_call_clobbered): Take a reason for marking this. Remove
2608 marking of globalness, and cache invalidation.
2609 (clear_call_clobbered): Remove cache invalidation code.
2610 * tree-dfa.c (dump_variable): If details is on, dump the reason
2612 * tree-outof-ssa.c (create_temp): Copy escape mask from original
2614 * tree-flow.h (struct ptr_info_def): Add escape mask member.
2615 (struct var_ann_d): Ditto.
2616 (enum escape_type): New.
2617 (mark_call_clobbered): Adjust prototype.
2618 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
2619 are never call clobbered.
2620 Record reasons for escaping.
2621 * tree-ssa-structalias.h (is_escape_site): Update prototype.
2622 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
2623 (ssa_ro_call_cache_valid): Ditto.
2624 (clobbered_v_may_defs): Ditto.
2625 (clobbered_vuses): Ditto.
2626 (ro_call_vuses): Ditto.
2627 (clobber_stats): New.
2628 (init_ssa_operands): Zero out clobber stats.
2629 (fini_ssa_operands): Print out clobber stats.
2630 (get_call_expr_operands): Pass callee fndecl to
2632 (add_call_clobber_ops): Remove use of cache.
2633 Add use of PURE_CONST information.
2634 (add_call_read_ops): Remove use of cache.
2635 Add use of static not_read information.
2637 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
2639 Introduce TLS descriptors for i386 and x86_64.
2640 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
2641 (TARGET_ANY_GNU_TLS): New macro.
2642 (enum tls_dialect): Added TLS_DIALECT_GNU2.
2643 (struct machine_function): Add tls_descriptor_call_expanded_p.
2644 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
2645 (ix86_current_function_calls_tls_descriptor): Likewise.
2646 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
2647 (override_options): Introduce gnu2 tls dialect.
2648 (ix86_frame_pointer_required): Functions containing TLSCALLs are
2650 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
2652 (legitimize_tls_address): Adjust logic for GNU2 TLS.
2653 (ix86_init_machine_status): Initialize new field.
2654 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
2655 (ix86_tls_module_base): New.
2656 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
2657 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
2658 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
2659 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
2660 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
2661 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
2662 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
2663 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
2664 * config/i386/predicates.md (tls_modbase_operand): New.
2665 (tp_or_register_operand): New.
2667 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
2669 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
2670 (look_for_address_of): Ditto.
2671 (ipa_init): Walk the function decls.
2672 (static_execute): Don't set readonly on FUNCTION_DECL's.
2674 2006-01-18 Roger Sayle <roger@eyesopen.com>
2676 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
2677 for shifts where the source and destination registers are different.
2679 2006-01-18 Paul Brook <paul@codesourcery.com>
2681 Merge from csl-arm-branch.
2682 2005-03-14 Julian Brown <julian@codesourcery.com>
2683 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
2684 (aeabi_llsl): Likewise.
2685 (ashrdi3): Likewise.
2686 (aeabi_lasr): Likewise.
2687 (lshrdi3): Likewise.
2688 (aeabi_llsr): Likewise.
2689 2005-03-10 Julian Brown <julian@codesourcery.com>
2690 * config.gcc: Disable shared libgcc for SymbianOS.
2691 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
2693 2006-01-18 DJ Delorie <dj@redhat.com>
2695 * c-pragma.c (handle_pragma_diagnostic): New.
2696 (init_pragma): Register it.
2697 * doc/extend.texi: Document it.
2699 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
2700 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
2701 (diagnostic_context): Add classify_diagnostic[].
2702 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
2703 as errors if they're overridden to DK_WARNING.
2704 (diagnostic_initialize): Initialize classify_diagnostic[].
2705 (diagnostic_set_kind_override): New.
2706 (diagnostic_report_diagnostic): Check for kind changes.
2707 * opts.c (common_handle_option): Take lang_mask. Update callers.
2709 * common.opt (Werror=): New.
2710 * doc/invoke.texi: Document -Werror=*
2712 2006-01-18 Jeff Law <law@redhat.com>
2714 * tree-vrp.c (test_for_singularity): Correct test for new
2715 min limit. Use operand_equal_p rather than pointer equality
2716 for testing if new min/max values are equal.
2718 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
2719 using range information until after propagation and folding.
2721 2006-01-18 Richard Henderson <rth@redhat.com>
2722 Aldy Hernandez <aldyh@redhat.com>
2723 Jakub Jelinek <jakub@redhat.com>
2724 Diego Novillo <dnovillo@redhat.com>
2726 * omp-low.c: New file.
2727 * c-omp.c: New file.
2729 2006-01-18 Richard Henderson <rth@redhat.com>
2730 Jakub Jelinek <jakub@redhat.com>
2731 Diego Novillo <dnovillo@redhat.com>
2733 * doc/invoke.texi: Document -fopenmp.
2734 * tree-dump.h (debug_function): Declare.
2735 * hooks.c (hook_bool_tree_bool_false): New function.
2736 (hook_tree_tree_null): Remove.
2737 (hook_tree_tree_tree_null): New.
2738 * hooks.h: Update to match.
2739 * tree-pretty-print.c (debug_tree_chain): New.
2740 (print_generic_expr): Handle TDF_CHAIN.
2741 (dump_generic_node): Handle BLOCK.
2742 Do not abort with incomplete SWITCH_EXPRs.
2743 Do not dump body of an OpenMP directive if TDF_SLIM is given.
2744 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
2745 print space after directive name.
2746 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
2747 Handle OMP_MASTER and OMP_ORDERED.
2748 Handle printing of OMP_BODY just in one place, goto
2749 dump_omp_body in the rest of OMP_* nodes that have
2751 Don't handle clause nodes here. Update omp statements to
2752 use dump_omp_clauses.
2753 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
2754 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
2755 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
2756 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
2757 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
2758 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
2759 Adjust output for GOMP_PARALLEL.
2760 (dump_omp_clauses): New.
2761 (print_declaration): Dump DECL_VALUE_EXPR.
2762 (op_symbol_1): Split out of op_symbol.
2763 (dumping_stmts): Remove. Update all users.
2764 * cgraph.c (cgraph_analyze_queue): New.
2765 (cgraph_add_new_function): New.
2766 * cgraph.h (cgraph_analyze_queue): Declare.
2767 (cgraph_add_new_function): Declare.
2768 (cgraph_lower_function): Remove.
2769 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
2770 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
2771 and TYPE_P nodes in its default clause.
2772 (empty_body_p): New.
2773 (tree_range_check_failed): New.
2775 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
2776 OMP_CLAUSE_REDUCTION_MERGE,
2777 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
2778 OMP_CLAUSE_PRIVATE_DEBUG,
2779 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
2780 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
2781 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
2782 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
2783 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
2784 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
2785 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
2786 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
2787 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
2788 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
2789 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
2790 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
2791 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
2792 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
2793 (TREE_RANGE_CHECK): New.
2794 (empty_body_p): Declare.
2795 (enum omp_clause_default_kind): New.
2796 (build_string_literal): Declare.
2797 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
2798 (build5_stat, build5): Declare.
2799 * tree-pass.h (TDF_CHAIN): Define.
2800 * tree-pass.h (PROP_gimple_lomp): Define.
2801 (pass_lower_omp): Declare.
2802 * diagnostic.h (debug_tree_chain): Declare.
2803 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
2805 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
2806 * builtins.c (build_string_literal): Make extern.
2807 * gcc.c (include_spec_function): New.
2808 (static_spec_functions): Add it.
2809 (main): Move load of libgomp.spec ...
2810 (LINK_COMMAND_SPEC): ... here.
2811 (link_gomp_spec): New.
2812 (static_specs): Include it.
2813 (LINK_COMMAND_SPEC): Add link_gomp.
2814 (GOMP_SELF_SPECS): New.
2815 (driver_self_specs): Include it.
2816 (switch_matches): Don't mark inline.
2817 (main): Load libgomp.spec.
2818 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
2819 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
2820 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
2821 * tree-gimple.h (enum omp_parallel): Declare.
2822 (determine_parallel_type): Declare.
2823 (omp_firstprivatize_variable): Declare.
2824 (omp_reduction_init): Declare.
2825 (diagnose_omp_structured_block_errors): Declare.
2826 (struct walk_stmt_info): Add want_return_expr.
2827 (struct walk_stmt_info): Add want_bind_expr, want_locations.
2828 (find_omp_clause): Declare.
2829 (insert_field_into_struct): Declare.
2830 (struct walk_stmt_info): Move from tree-nested.c
2831 (walk_stmts): Declare.
2832 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2834 * cgraphunit.c (cgraph_lower_function): Make static.
2835 (cgraph_finalize_pending_functions): New.
2836 (cgraph_finalize_function): Call it.
2837 (cgraph_finalize_compilation_unit): Likewise.
2838 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2839 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2840 (BT_FN_UINT_UINT): New.
2841 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2842 DEF_FUNCTION_TYPE_VAR_4): Document.
2843 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2844 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2845 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2846 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2847 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2848 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2849 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2850 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2851 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2852 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2853 into separate files.
2854 (DEF_GOMP_BUILTIN): New.
2855 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2856 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2857 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2858 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2859 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2860 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2861 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2862 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2863 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2864 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2865 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2866 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2867 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2868 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2869 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2870 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2871 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2872 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2873 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2874 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2875 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2876 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2877 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2878 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2879 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2880 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2881 * sync-builtins.def: New file, moved from builtins.def.
2882 * omp-builtins.def: New file, moved from builtins.def.
2883 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2884 * gimple-low.c (lower_function_body): Clear data.
2885 (lower_stmt): Do not handle COMPOUND_EXPR.
2886 Remove call to print_node_brief.
2887 * c-tree.h (c_finish_omp_clauses): New prototype.
2888 (C_DECL_THREADPRIVATE_P): Define.
2889 (lookup_name_no_remap, c_omp_remap_private): Remove
2890 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2891 (check_for_loop_decls): Update decl.
2892 (lookup_name_no_remap, c_omp_remap_private): Declare.
2893 (build_indirect_ref, build_modify_expr, pushdecl,
2894 pushdecl_top_level): Move to c-common.h.
2895 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2896 before the switch, but just in the 2 places that need it.
2897 * c-decl.c (diagnose_mismatched_decls): Do not check for
2898 mismatched thread-local attributes when OLDDECL is marked
2899 threadprivate and NEWDECL has no thread-local attributes.
2900 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2901 (c_gimple_diagnostics_recursively): Rename from
2902 c_warn_unused_result_recursively. Invoke
2903 diagnose_omp_structured_block_errors.
2904 (check_for_loop_decls): Return a singular decl found.
2905 * langhooks.c (lhd_omp_predetermined_sharing): Return
2906 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2907 (lhd_omp_firstprivatize_type_sizes): New.
2908 (lhd_omp_assignment): New.
2909 (lhd_omp_predetermined_sharing): New.
2910 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2911 (struct lang_hooks_for_types): Add
2912 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2913 omp_predetermined_sharing, omp_disregard_value_expr,
2914 omp_private_debug_clause, omp_clause_default_ctor,
2915 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2916 (c_finish_omp_clauses): New.
2917 (c_finish_bc_stmt): Diagnose break within omp for.
2918 (c_begin_omp_parallel, c_finish_omp_parallel): New.
2919 (build_unary_op): Return error_mark after reporting
2921 (build_modify_expr): Likewise.
2922 * gimplify.c: Include optabs.h and pointer-set.h.
2923 (enum gimplify_omp_var_data): Declare.
2924 (struct gimplify_omp_ctx): Declare.
2925 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2927 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2928 (push_gimplify_context, pop_gimplify_context): Allow nesting.
2929 (splay_tree_compare_decl_uid): New.
2930 (new_omp_context): New.
2931 (delete_omp_context): New.
2932 (gimple_add_tmp_var): Call omp_add_variable.
2933 (gimplify_bind_expr): Likewise.
2934 (gimplify_var_or_parm_decl): If omp_notice_variable returned
2935 true, disregard DECL_VALUE_EXPR on the decl if any.
2936 (gimplify_expr_in_ctx): New.
2937 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2938 omp_add_variable, omp_notice_variable, omp_is_private
2939 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2940 gimplify_adjust_omp_clauses, gimplify_omp_parallel
2941 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2942 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2943 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2944 gimplify_omp_atomic): New.
2945 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2946 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2947 OMP_CRITICAL and OMP_ATOMIC.
2948 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2949 * c-pragma.h (enum pragma_kind): Add
2950 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2951 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2952 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2953 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2954 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
2955 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
2956 PRAGMA_OMP_THREADPRIVATE.
2957 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2958 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2959 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
2960 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
2961 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
2962 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
2963 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
2964 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
2965 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
2966 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
2967 * tree-ssa-dce.c (find_control_dependence): Do not assume that
2968 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
2969 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
2971 (struct nesting_info): Add field_map,
2972 suppress_expansion, debug_var_chain.
2973 (create_nesting_tree): Initialize them.
2974 (lookup_field_for_decl): Use field_map.
2975 (get_nonlocal_debug_decl, get_local_debug_decl): New.
2976 (convert_local_omp_clauses): New.
2977 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
2978 (walk_body): Split out of walk_function.
2979 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
2980 (convert_nonlocal_reference): Handle omp statements.
2981 (convert_local_reference): Likewise.
2982 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
2983 (unnest_nesting_tree): New.
2984 (lower_nested_functions): Call it.
2985 (insert_field_into_struct): Make extern.
2986 (struct walk_stmt_info): Move to tree-gimple.h.
2987 (walk_stmts): Make extern.
2988 * omp-builtins.def: New file.
2989 * tree-iterator.c (expr_only): Clarify comment.
2990 * c-common.h (pushdecl_top_level, pushdecl,
2991 build_modify_expr, build_indirect_ref,
2992 c_finish_omp_master, c_finish_omp_critical,
2993 c_finish_omp_ordered, c_finish_omp_barrier,
2994 c_finish_omp_atomic, c_finish_omp_flush,
2995 c_finish_omp_for, c_split_parallel_clauses,
2996 omp_clause_default_kind, c_omp_sharing_predetermined,
2997 c_omp_remap_decl): Declare.
2998 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
2999 (OBJS-common): Add omp-low.o.
3000 (c-omp.o, omp-low.o): Add.
3001 (gimplify.o): Add dependency on $(OPTABS_H).
3002 (GTFILES): Add omp-low.c.
3003 (gt-stringpool.h): Add.
3004 * tree-cfg.c (set_bb_for_stmt): Do not update the
3005 block-to-labels map if we are currently expanding to RTL.
3006 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3008 Handle IDENTIFIER_NODE.
3009 (tree_verify_flow_info): Do not ICE when emitting error
3010 messages about invalid labels.
3011 (dump_function_to_file): Reset CFUN before emitting the body
3013 (debug_function): New.
3014 * passes.c (init_optimization_passes): Schedule
3016 * langhooks-def.h (lhd_omp_predetermined_sharing,
3017 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3019 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3020 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3021 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3022 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3023 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3024 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3025 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3026 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3027 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3028 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3029 (LANG_HOOK_DECLS): Use them.
3031 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3032 Richard Henderson <rth@redhat.com>
3033 Jakub Jelinek <jakub@redhat.com>
3034 Diego Novillo <dnovillo@redhat.com>
3036 * c-parser.c (pragma_omp_clause): Define.
3037 (c_parser_declaration_or_fndef): Document OpenMP syntax.
3038 (c_parser_compound_statement): Likewise.
3039 (c_parser_statement): Likewise.
3040 (c_parser_pragma): Handle omp pragmas.
3041 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3042 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3043 (c_parser_omp_clause_name, check_no_duplicate_clause,
3044 c_parser_omp_variable_list,
3045 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3046 c_parser_omp_clause_copyprivate,
3047 c_parser_omp_clause_default,
3048 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3049 c_parser_omp_clause_lastprivate,
3050 c_parser_omp_clause_nowait,
3051 c_parser_omp_clause_num_threads,
3052 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3053 c_parser_omp_clause_reduction,
3054 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3055 c_parser_omp_all_clauses, c_parser_omp_structured_block,
3056 c_parser_omp_atomic, c_parser_omp_barrier,
3057 c_parser_omp_critical, c_parser_omp_flush,
3058 c_parser_omp_for_loop, c_parser_omp_for,
3059 c_parser_omp_master, c_parser_omp_ordered,
3060 c_parser_omp_sections_scope, c_parser_omp_sections,
3061 c_parser_omp_parallel, c_parser_omp_single,
3062 c_parser_omp_construct, c_parser_omp_threadprivate): New.
3063 * c-pragma.c (init_pragma): Do omp pragma registration here.
3064 * c.opt (fopenmp): New flag.
3066 2006-01-18 Eric Christopher <echristo@apple.com>
3068 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3069 * config/darwin.h (GOMP_SELF_SPECS): Define.
3071 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3073 * rtl.h: Remove the prototype for reg_alloc.
3075 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3078 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3079 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3080 sjlj and dwarf2 exception handling.
3081 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3082 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3083 * pa/pa.c (function_value): Treat complex and vector types as
3085 (function_arg): Likewise. Only pass scalar floats in the floating
3086 point argument registers.
3087 * pa/t-slibgcc-dwarf-ver: New file.
3088 * pa/t-slibgcc-sjlj-ver: New file.
3089 * pa/t-slibgcc-elf-ver: Delete file.
3091 2006-01-19 Alan Modra <amodra@bigpond.net.au>
3093 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3094 unlikely_test_section_p test.
3096 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3098 * mode-switching.c (optimize_mode_switching): Make it static.
3099 * basic-block.h: Remove the prototype for
3100 optimize_mode_switching.
3102 * modulo-sched.c (sms_schedule): Make it static.
3103 * rtl.h: Remove the prototype for sms_schedule.
3105 * postreload-gcse.c (gcse_after_reload_main): Make it static.
3106 * rtl.h: Remove the prototype for gcse_after_reload_main.
3108 * reg-stack.c (reg_to_stack): Make it static.
3109 * rtl.h: Remove the prototype for reg_to_stack.
3111 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3113 * rtl.h: Remove the prototypes for regrename_optimize and
3114 copyprop_hardreg_forward.
3116 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
3118 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3119 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
3120 Test against the appropriate null constant for the mode.
3121 If 'fixup_overlap' is true, swap the operands if they overlap.
3122 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3123 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3124 alpha_split_tmode_pair and adjust for above change.
3125 * config/alpha/alpha.md (movtf_internal): Adjust call to
3126 alpha_split_tfmode_pair and rely on it to swap the operands.
3127 (movti_internal): New insn and post-reload splitter.
3128 (movti): New expander.
3130 2006-01-18 Philippe De Muyter <phdm@macqel.be>
3132 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3135 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3137 * rtlanal.c (global_reg_mentioned_p_1,
3138 global_reg_mentioned_p): Remove.
3139 * rtl.h: Remove the prototype for global_reg_mentioned_p.
3141 * flow.c (initialize_uninitialized_subregs): Make it static.
3142 * rtl.h: Remove the prototype for
3143 initialize_uninitialized_subregs.
3145 * function.c (instantiate_virtual_regs): Make it static.
3146 * function.h: Remove the prototype for
3147 instantiate_virtual_regs.
3149 * regmove.c (regmove_optimize, combine_stack_adjustments):
3151 * rtl.h: Remove the prototypes for regmove_optimize and
3152 combine_stack_adjustments.
3154 2006-01-17 Roger Sayle <roger@eyesopen.com>
3156 * config/i386/i386.c (COSTS_N_BYTES): New macro.
3157 (size_cost): Encode costs in bytes so that a reg-reg addition is
3158 equivalent to COSTS_N_INSNS(1).
3159 (override_options): Use the size_cost.branch_cost as the default
3160 ix86_branch_cost when optimizing for size.
3162 2006-01-18 Ben Elliston <bje@au.ibm.com>
3164 * Makefile.in (D32PBIT_FUNCS): New.
3165 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3166 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3167 D64PBIT_FUNCS and D128PBIT_FUNCS.
3168 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3169 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3171 (decnumber_dep): Define.
3172 * doc/libgcc.texi (Decimal float library routines): New node.
3173 * config/dfp-bit.h, config/dfp-bit.c: New files.
3175 2006-01-18 Ben Elliston <bje@au.ibm.com>
3177 * expr.c (emit_move_change_mode): Always adjust addresses, not
3178 just during reload. Copy replacements only during reload.
3179 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3180 emit_move_via_integer.
3182 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
3184 * Makefile.in (check-%, check-consistency): Use $${srcdir}
3185 instead of $(srcdir) and ${srcdir}.
3187 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
3191 * arm.h (struct machine_function): Add pic_reg.
3192 * arm.c (arm_pic_register): Make unsigned.
3193 (arm_override_options): Only set arm_pic_register if
3194 TARGET_SINGLE_PIC_BASE.
3195 (use_return_insn): Only test for a pic register if it is fixed.
3196 (arm_compute_save_reg0_reg12_mask): Likewise.
3197 (thumb_compute_save_reg_mask): Likewise.
3198 (legitimate_pic_operand): Factor out some known invariants.
3199 (legitimize_pic_address): If we don't have a fixed pic register,
3200 then set up a pseudo in the function entry sequence. Handle the
3201 pic base being in a pseudo.
3202 (arm_load_pic_register): Handle the pic register being in a pseudo.
3203 (arm_expand_prologue): Only set up the pic register if it is fixed.
3204 (thumb_expand_prologue): Likewise.
3205 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3206 (pic_load_addr_based_insn): Likewise.
3207 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3210 2006-01-18 Ben Elliston <bje@au.ibm.com>
3212 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3213 decimal float modes for all floating point registers.
3215 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3216 match_code "mem" with match_test "macho_lo_sum_memory_operand".
3218 2006-01-17 Jakub Jelinek <jakub@redhat.com>
3221 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3222 even when the pointer is not NULL.
3224 2006-01-16 Ian Lance Taylor <ian@airs.com>
3226 * common.opt (ftoplevel-reorder): New option.
3227 * cgraph.c (cgraph_asm_nodes): New global variable.
3228 (cgraph_asm_last_node): New static variable.
3229 (cgraph_order): New global variable.
3230 (cgraph_create_node): Set new order field.
3231 (cgraph_varpool_node): Likewise.
3232 (decide_is_variable_needed): Return true if not
3233 flag_toplevel_reorder.
3234 (cgraph_add_asm_node): New function.
3235 * cgraph.h (struct cgraph_node): Add order field.
3236 (struct cgraph_varpool_node): Add order field.
3237 (struct cgraph_asm_node): Define.
3238 (cgraph_asm_nodes, cgraph_order): Declare.
3239 (cgraph_add_asm_node): Declare.
3240 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3242 (cgraph_varpool_assemble_pending_decls): Call it.
3243 (cgraph_output_pending_asms): New static function.
3244 (cgraph_finalize_compilation_unit): Call it.
3245 (struct cgraph_order_sort): Define.
3246 (cgraph_output_in_order): New static function.
3247 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
3248 !flag_toplevel_reorder case.
3249 * c-parser.c: Include "cgraph.h".
3250 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3252 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3253 than -fno-unit-at-a-time.
3254 * doc/invoke.texi (Option Summary): Mention
3255 -fno-toplevel-reorder.
3256 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
3257 -funit-at-a-time documentation.
3259 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
3260 Kazu Hirata <kazu@codesourcery.com>
3262 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3264 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
3266 * Makefile.in (FUNCTION_H): New. Use it instead of
3267 function.h throughout the file.
3268 * function.h: Include tree.h.
3270 2006-01-17 Ben Elliston <bje@au.ibm.com>
3272 * recog.c: Separate some functions with whitespace.
3274 2006-01-16 Richard Henderson <rth@redhat.com>
3276 Merge from gomp branch:
3277 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
3278 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3279 and rename from struct inline_data. Rename callee* to dst*;
3280 caller* to src*; add copy_decl hook, transform_call_graph_edges,
3281 transform_new_cfg, transform_return_to_modify, and
3282 transform_lang_insert_block flags; remove cloning_p, versioning_p,
3284 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3285 (copy_decl_for_dup): Remove.
3286 * tree-inline.c (struct inline_data): Move to header.
3287 (insert_decl_map): Export.
3288 (remap_decl): Update for member name changes. Use copy_decl hook.
3289 Allow for replacement to be a non-decl. Remove dead code.
3290 (remap_type_1): Check for existing mapping.
3291 (remap_type): Export.
3292 (remap_decls): Update for member name changes.
3293 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3294 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3295 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3296 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3297 (tree_function_versioning, build_duplicate_type): Likewise.
3298 (copy_body_r): Likewise. Export.
3299 (copy_decl_for_dup): Split into ...
3300 (copy_decl_for_dup_finish, copy_decl_to_var,
3301 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3302 (replace_ref_tree, inlining_p): Remove.
3304 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3306 * ifcvt.c (if_convert): Make it static.
3307 * rtl.h: Remove the prototype for if_convert.
3309 * local-alloc.c (local_alloc): Make it static.
3310 * rtl.h: Remove the prototype for local_alloc.
3312 * loop.c (loop_optimize): Make it static.
3313 * cfgloop.h: Remove the prototype for loop_optimize.
3316 2006-01-16 DJ Delorie <dj@redhat.com>
3318 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3321 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3323 * pa.md: Disparage copies between general and floating-point registers
3324 in 32-bit move patterns.
3326 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
3329 * Makefile.in (check-%): Depend on site.exp instead of
3330 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3333 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3335 * global.c (global_alloc): Make it static.
3336 * rtl.h: Remove the prototype for global_alloc.
3338 2006-01-16 Richard Guenther <rguenther@suse.de>
3340 * tree-ssa-alias.c (struct used_part): Add write_only field.
3341 (get_or_create_used_part_for): Initialize it to true.
3342 (create_overlap_variables_for): Don't create structure variables
3343 for structures that only are written to.
3344 (find_used_portions): Handle MODIFY_EXPR to track whether a
3345 structure is only written to.
3347 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3349 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3351 * basic-block.h: Remove the prototype for
3352 partition_hot_cold_basic_blocks.
3354 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
3356 * cppspec.c (lang_specific_spec_functions): Remove.
3357 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3358 * gcc.h (lang_specific_spec_functions): Remove.
3359 * gccspec.c (lang_specific_spec_functions): Remove.
3361 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
3363 * combine.c (record_value_for_reg): Invalidate registers
3365 (record_dead_and_set_regs_1): Likewise, by passing them to
3366 record_value_for_reg.
3367 (record_dead_and_set_regs): Invalidate stores made by a
3368 call. We do not combine across a call, but we still
3369 relied on equivalences.
3371 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3373 * tree-vrp.c (extract_range_from_binary_expr): Cope with
3374 vrp_int_const_binop returning non-constant nodes.
3376 2006-01-16 Paul Brook <paul@codesourcery.com>
3378 * config/m68k/m68k.c (output_move_const_into_data_reg):
3379 Output correct mnemonic for mvz and mvs.
3381 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
3383 * rtl-factoring.c: Add sequence abstraction algorithm.
3384 * cfgcleanup.c (outgoing_edges_match): Extra checks.
3385 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
3387 (block_has_preserve_label): New function.
3388 * common.opt: Register new pass.
3389 * Makefile.in: Ditto.
3391 * timevar.def: Ditto.
3392 * tree-pass.h: Ditto.
3393 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
3394 * rtl.h (make_jump_insn_raw): Add forward decl.
3395 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
3397 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3398 Roger Sayle <roger@eyesopen.com>
3400 * fold-const.c (fold_minmax): New static function.
3401 (fold_binary) <MIN_EXPR>: Call it.
3402 <MAX_EXPR>: Likewise.
3403 * stor-layout.c (place_field): Use DECL_SIZE consistently
3404 in the computation of the new record size.
3406 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3408 * cse.c (cse_condition_code_reg): Make it static.
3409 * rtl.h: Remove the prototype for cse_condition_code_reg.
3411 * combine.c (combine_instructions): Make it static.
3412 * rtl.h: Remove the prototype for combine_instructions.
3414 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3417 * tree.c (get_file_function_name_long): Concatenate the first global
3418 object name with a string derived from the input filename of the object
3421 2006-01-16 Ben Elliston <bje@au.ibm.com>
3423 * config/i386/winnt-stubs.c: Update FSF address.
3424 * config/xtensa/ieee754-df.S: Ditto.
3425 * config/xtensa/ieee754-sf.S: Ditto.
3427 2006-01-14 Ian Lance Taylor <ian@airs.com>
3429 * ifcvt.c (noce_init_if_info): New static function, broken out of
3430 noce_process_if_block.
3431 (noce_process_if_block): Call noce_init_if_info.
3432 (check_cond_move_block): New static function.
3433 (cond_move_process_if_block): New static function.
3434 (process_if_block): Call cond_move_process_if_block.
3436 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
3438 * cselib.c (hash_table): Rename to cselib_hash_table.
3439 (cselib_clear_table, discard_useless_values,
3440 remove_useless_values, cselib_lookup_mem, cselib_lookup,
3441 cselib_init, cselib_finish): Adjust uses of hash_table.
3443 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
3445 PR tree-optimization/25485
3446 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
3447 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
3448 is known to be false and true, respectively.
3450 2006-01-14 Richard Guenther <rguenther@suse.de>
3452 PR tree-optimization/22548
3453 PR tree-optimization/22555
3454 PR tree-optimization/22501
3455 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
3456 * params.def (salias-max-array-elements): New parameter.
3457 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
3458 * doc/invoke.texi (salias-max-array-elements): Document.
3459 * tree-flow-inline.h (var_can_have_subvars): We also handle
3461 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
3463 * tree-ssa-structalias.c (params.h): Include.
3464 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
3465 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
3466 (get_constraint_for): For ADDR_EXPR operating on something
3467 containing an ARRAY_REF, add all subvars to the solution.
3468 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
3469 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
3470 for creating MUST_DEFs.
3471 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
3473 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
3475 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
3477 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3478 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3479 number_of_iterations_le): New functions.
3480 (number_of_iterations_special): Removed.
3481 (number_of_iterations_exit): Do not use number_of_iterations_special.
3482 * tree.c (unsigned_type_for): Always return integer type.
3484 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
3485 Richard Guenther <rguenther@suse.de>
3487 PR rtl-optimization/24257
3488 * gcse.c (find_moveable_store): Only consider a store movable
3489 when the SET_SRC of the insn can be assigned to a register.
3491 2006-01-14 Ian Lance Taylor <ian@airs.com>
3493 * tree.c (tree_not_class_check_failed): New function.
3494 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
3495 (tree_not_class_check_failed): Declare.
3497 2006-01-13 Ian Lance Taylor <ian@airs.com>
3499 * reload1.c (do_output_reload): Add assertion rejecting a
3502 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
3504 * combine.c (struct reg_stat): Add new fields truncation_label and
3506 (record_value_for_reg): Reset truncated_to_mode.
3507 (record_truncated_value): New function.
3508 (check_promoted_subreg): Call it. Rename to check_conversions.
3509 (combine_instructions): Rename check_promoted_subreg to
3511 (reg_truncated_to_mode): New function.
3512 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
3513 (gen_lowpart_or_truncate): New function.
3514 (force_to_mode): Use it instead of gen_lowpart.
3516 2006-01-13 Diego Novillo <dnovillo@redhat.com>
3518 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
3519 VAR is a tag, not its type tag.
3521 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
3523 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3524 alternatives to match style of other entries.
3525 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
3527 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
3529 PR tree-optimization/25771
3530 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3533 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
3536 * tree-inline.c (declare_return_variable): If the return variable
3537 was marked as a non gimple complex, set the return slot variable
3538 to be a non gimple comple variable.
3540 2006-01-13 Richard Guenther <rguenther@suse.de>
3542 * builtins.c (expand_builtin_sincos): New function.
3543 (expand_builtin_mathfn_3): Remove dead code, sin and cos
3545 (expand_builtin): Expand sincos using expand_builtin_sincos.
3547 2006-01-12 DJ Delorie <dj@redhat.com>
3549 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3550 shift counts, separate SI shifts for m32c vs m16c, pass shift type
3551 so that constant shifts can be split.
3552 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3553 (m32c_valid_pointer_mode): Make static.
3554 (shift_gen_func_for): New.
3555 (m32c_prepare_shift): Use it. Split large const shifts into
3557 * config/m32c/predicates.md (shiftcount_operand): Allow more
3559 (longshiftcount_operand): New.
3560 * doc/md.texi (Machine Constraints): Document In6.
3562 2006-01-13 Ben Elliston <bje@au.ibm.com>
3564 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
3565 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
3568 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
3570 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
3571 to try to avoid clobbering pieces of structures when we know
3572 something about the whole structure.
3573 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
3575 2006-01-13 Ben Elliston <bje@au.ibm.com>
3577 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
3578 return in memory, as this is no limitation is no longer present.
3580 2006-01-12 DJ Delorie <dj@redhat.com>
3582 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
3583 mova with fb, and for fb+0 -> An.
3585 * config/m32c/mov.md (peephole2): Fix enabling logic.
3587 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3588 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
3589 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
3590 FINI_ARRAY_SECTION_ASM_OP): Define.
3592 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
3594 (m32c_legitimize_reload_address): New logic to reload FB to An.
3595 (m32c_output_reg_push): Add newline.
3596 (m32c_output_reg_pop): Likewise.
3598 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
3600 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
3602 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
3604 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3606 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3608 * config/sh/predicates.md (sh_rep_vec): Add parallel to
3611 2006-01-11 Ben Elliston <bje@au.ibm.com>
3613 * rtlanal.c (find_reg_note): Assert insn is not null.
3615 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3617 * df-scan.c (df_hard_reg_init): Move declaration of i outside
3620 2006-01-11 Jeff Law <law@redhat.com>
3622 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
3624 (mark_threaded_blocks, register_jump_thread): New functions.
3625 (thread_through_all_blocks): Remove unwanted argument. No
3626 longer rely on e->aux to communicate thread target info.
3627 Call mark_threaded_blocks. Release the threaded_blocks
3628 bitmap and threaded_edges vector when complete.
3629 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
3630 (threaded_blocks): Remove.
3631 (tree_ssa_dominator_optimize): Remove initialization and
3632 finalization of threaded_blocks. Simplify call to
3633 thread_through_all_blocks.
3634 (thread_across_edge): Call register_jump_thread rather than
3635 storing thread information into e->aux.
3636 (free_all_edge_infos): Simplify now that e->aux is no longer
3637 used to communicate with thread_through_all_blocks.
3638 * tree-flow.h (thread_through_all_blocks): Update prototype.
3639 (register_jump_thread): Prototype.
3641 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3643 * df-core.c (df_compact_blocks, df_bb_replace): Use
3644 SET_BASIC_BLOCK instead of BASIC_BLOCK.
3646 2006-01-11 Richard Guenther <rguenther@suse.de>
3648 PR tree-optimization/25734
3649 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3650 stop propagation after successful propagation to the LHS.
3652 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3654 * basic-block.h (control_flow_graph): Change the type of
3655 x_basic_block_info to VEC(basic_block,gc) *.
3656 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
3658 (SET_BASIC_BLOCK): New.
3659 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
3660 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
3661 * cfgbuild.c (find_basic_blocks): Likewise.
3662 * cfglayout.c (fixup_reorder_chain): Likewise.
3663 * cfgrtl.c (create_basic_block_structure,
3664 rtl_create_basic_block): Likewise.
3665 * ifcvt.c (find_if_case_1): Likewise.
3666 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
3669 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3671 * Makefile.in: Removed rotted odf.c entry.
3673 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
3676 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
3677 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
3678 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
3679 output pattern modifier, not %e.
3680 * config/cris/cris.c (cris_op_str): Update comment about pattern
3682 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
3683 before falling through into...
3684 <case 'E'>: Redefined from old 'e' case.
3686 2006-01-11 Jan Hubicka <jh@suse.cz>
3689 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
3691 2006-01-11 Jan Hubicka <jh@suse.cz>
3693 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
3694 * i386.c (x86_decompose_lea): Kill.
3695 (ix86_rtx_costs): Kill.
3697 2006-01-11 Jan Hubicka <jh@suse.cz>
3699 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
3700 * cgraph.h (cgraph_node): Add inline_decl.
3701 (cgraph_insert_node_to_hashtable): Declare.
3702 (save_inline_function_body): Declare.
3703 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
3705 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
3706 (cgraph_function_versioning): Update call of tree_function_versioning.
3707 (save_inline_function_body): New function.
3708 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
3709 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
3710 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
3711 (cgraph_default_inline_p): Likewise.
3712 (cgraph_decide_inlining_incrementally): Likewise.
3713 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
3714 (copy_bb): Kill saving; do updating of clones.
3715 (copy_cfg_body): Kill saving.
3716 (initialize_inlined-parameters): Likewise.
3717 (expand_call_inline): Likewise.
3719 (tree_function_versioning): New parameter "update_clones".
3720 (inlining_p): Kill saving.
3721 * tree-inline.h (tree_function_versioning): Update prototype.
3722 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
3725 2006-01-11 Ian Lance Taylor <ian@airs.com>
3727 * combine.c (struct undo): Remove is_int. Enumify types of undos.
3728 Allow undoing set of machine mode.
3729 (do_SUBST): Use enums instead of is_int.
3730 (do_SUBST_MODE): New function.
3731 (SUBST_MODE): New macro.
3732 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
3733 reg and trying to replace reg_regno_rtx with a new register.
3734 (undo_all): Use new enums, handle undoing a PUT_MODE change.
3735 (simplify_set): Use SUBST_MODE.
3736 (distribute_notes): Remove code that tried to update reg notes
3737 for regno_reg_rtx changes.
3739 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
3741 PR tree-optimization/23109
3742 PR tree-optimization/23948
3743 PR tree-optimization/24123
3745 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
3746 * tree-cfg.c (single_noncomplex_succ): New.
3747 * tree-flow.h (single_noncomplex_succ): Declare it.
3748 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3749 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3750 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
3751 insert_bb, register_division_in, insert_reciprocals,
3752 replace_reciprocal, free_bb): New.
3753 (execute_cse_reciprocals_1): Rewritten.
3754 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
3755 Do not commit any edge insertion. Always compute dominators and
3756 create the allocation pool.
3757 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
3758 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
3759 * targhooks.c (default_min_divistions_for_recip_mul): New.
3760 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
3761 * passes.c (init_optimization_passes): Run recip after tree loop
3763 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
3765 2006-01-11 Danny Berlin <dberlin@dberlin.org>
3766 Kenneth Zadeck <zadeck@naturalbridge.com>
3768 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
3769 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
3770 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
3771 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
3772 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
3773 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
3774 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
3775 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
3776 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
3777 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
3778 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
3779 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
3780 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
3781 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
3782 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
3783 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
3784 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
3785 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
3786 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
3787 DF_SCAN_POST_ALLOC): New macros.
3788 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
3789 df_free_bb_function, df_local_compute_function, df_init_function,
3790 df_dataflow_function, df_confluence_function_0,
3791 df_confluence_function_n, df_transfer_function,
3792 df_finalizer_function, df_free_function, df_dump_problem_function,
3793 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
3794 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
3795 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
3796 df_urec_bb_info, ) New types.
3797 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
3799 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
3800 df_analyze_simple_change_some_blocks,
3801 df_analyze_simple_change_one_block, df_compact_blocks,
3802 df_bb_replace, df_bb_regno_last_use_find,
3803 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
3804 df_insn_regno_def_p, df_find_def, df_find_use,
3805 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
3806 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
3807 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
3808 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
3809 debug_df_chain, df_get_dependent_problem, df_chain_create,
3810 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
3811 df_grow_bb_info, df_chain_dump, df_print_bb_index,
3812 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
3813 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
3814 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
3815 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
3816 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
3817 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
3818 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
3819 df_ref_remove, df_insn_refs_delete, df_refs_delete,
3820 df_reorganize_refs, df_set_state, df_hard_reg_init,
3821 df_read_modify_subreg_p) New public functions.
3822 * df-core.c: The core dataflow solver and glue routines for rtl
3824 (df_init, df_add_problem, df_set_blocks, df_finish,
3825 df_hybrid_search_forward, df_hybrid_search_backward,
3826 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3827 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3828 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3829 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3830 df_reg_defined, df_find_use, df_reg_used, df_dump,
3831 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3832 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3833 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3834 debug_df_useno, reset_df_after_reload): New functions.
3835 * df-scan.c: The scanning fuctions, once in df.c, completely
3836 rewritten so that they now fully model the functionality of
3837 register usage at the backend.
3838 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3839 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
3840 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
3841 df_grow_insn_info, df_rescan_blocks, df_ref_create,
3842 df_get_artificial_defs, df_get_artificial_uses,
3843 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
3844 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
3845 df_refs_delete, df_reorganize_refs, df_set_state,
3846 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
3847 df_def_record_1, df_defs_record, df_uses_record,
3848 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
3849 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
3850 df_record_exit_block_uses, df_hard_reg_init): New functions.
3852 * df-problems.c: Seven concrete dataflow problems that use the
3853 scanning in df-scan.c and are solved by the engine in df-core.c.
3854 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
3855 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
3856 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
3857 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
3858 df_ru_free_bb_info, df_ru_alloc,
3859 df_ru_bb_local_compute_process_def,
3860 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
3861 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
3862 df_ru_transfer_function, df_ru_free, df_ru_dump,
3863 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
3864 df_rd_free_bb_info, df_rd_alloc,
3865 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
3866 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
3867 df_rd_transfer_function, df_rd_free, df_rd_dump,
3868 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
3869 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
3870 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
3871 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
3872 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
3873 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
3874 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
3875 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
3876 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
3877 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
3878 df_urec_mark_reg_change, df_urec_check_earlyclobber,
3879 df_urec_mark_reg_use_for_earlyclobber,
3880 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
3881 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
3882 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
3883 df_urec_dump, df_urec_add_problem, df_chain_alloc,
3884 df_chain_create_bb_process_use, df_chain_create_bb,
3885 df_chain_finalize, df_chain_free, df_chains_dump,
3886 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
3887 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
3888 df_reg_lifetime): New functions.
3889 * df.c: Deleted file.
3890 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
3891 consistent with new df api.
3892 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
3893 rest_of_handle_sms): Ditto.
3894 * web.c (unionfind_union, union_defs, entry_register, web_main):
3896 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
3897 invariant_expr_equal_p, find_defs, check_dependencies,
3898 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
3899 free_inv_motion_data, move_loop_invariants): Ditto.
3900 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
3901 Update dependencies.
3902 (odf.c): Added defective entry that was deleted later in day.
3903 * sched-deps.c (sched_analyze_1): Ditto.
3905 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
3907 * tree-ssa-operands.c (get_expr_operands): Record addressable
3908 variables directly. Do not call add_stmt_operands for CONST_DECLs
3910 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
3911 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
3913 2006-01-11 Ben Elliston <bje@au.ibm.com>
3915 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
3916 function returns true in the positive case.
3918 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3921 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
3922 for SI, DI, SF and DF modes. Add alternatives to copy between
3923 general and floating point registers to the 32-bit patterns.
3924 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
3925 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
3926 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
3927 generating 64-bit code.
3928 * config/pa/pa.c (output_move_double): Handle copies between general
3929 and floating registers.
3931 2006-01-10 Stuart Hastings <stuart@apple.com>
3933 * config/i386/i386.md (set_got): Update.
3934 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
3935 (builtin_setjmp_receiver): Mach-O support.
3936 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
3937 (GOT_SYMBOL_NAME): Define.
3938 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3939 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
3940 * config/i386/i386.c (override_options): Revise for Darwin.
3941 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
3942 support. (darwin_x86_file_end): New. (output_set_got): Add label
3943 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
3944 * config/i386/i386-protos.h (output_set_got): Likewise.
3945 * config/darwin.c (machopic_legitimize_pic_address): Update
3948 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
3950 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
3951 when MODE isn't BLKmode.
3953 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3955 PR rtl-optimization/25367
3956 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
3958 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
3961 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
3962 for a negative bound.
3964 2006-01-10 Richard Guenther <rguenther@suse.de>
3966 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3967 Never override with anything constraint.
3969 2006-01-10 Jan Beulich <jbeulich@novell.com>
3971 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
3972 256 bits when optimize_size.
3974 2006-01-10 Jan Beulich <jbeulich@novell.com>
3976 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
3978 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
3979 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
3982 2006-01-10 Ben Elliston <bje@au.ibm.com>
3984 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
3986 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
3987 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3988 (USE_FP_FOR_ARG): Reject decimal float modes.
3989 (function_arg_advance): Likewise.
3990 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
3991 (rs6000_handle_altivec_attribute): Do not permit decimal floating
3992 point types in AltiVec vectors.
3993 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
3994 (rs6000_libcall_value): Likewise.
3996 2006-01-09 Bob Wilson <bob.wilson@acm.org>
3998 * config/xtensa/ieee754-df.S: New file.
3999 * config/xtensa/ieee754-sf.S: New file.
4000 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4001 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4002 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4004 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
4006 * config/sh/predicates.md (binary_float_operator,
4007 binary_logical_operator, commutative_float_operator,
4008 equality_comparison_operator, greater_comparison_operator,
4009 less_comparison_operator, logical_operator,
4010 noncommutative_float_operator, shift_operator,
4011 symbol_ref_operand, unary_float_operator): Remove redundant
4014 2006-01-09 Jeff Law <law@redhat.com>
4016 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4017 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
4018 now unused arguments. Callers updated.
4019 (eliminate_redundant_computations): Remove now unused arguments,
4021 (local_fold): Remove, no longer used.
4022 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4024 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4025 (simplify_cond): New function.
4026 (forward_propagate_into_cond): Call simplify_cond.
4028 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
4030 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4031 (*vec_extractv2di_1_sse): New.
4033 2006-01-09 Ben Elliston <bje@au.ibm.com>
4035 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4037 2006-01-08 Richard Guenther <rguenther@suse.de>
4039 * tree-ssa-structalias.c (get_constraint_for): Remove
4041 (get_constraint_for_component_ref): Likewise.
4042 (do_deref): Likewise.
4043 (get_constraint_for): Likewise.
4044 (do_structure_copy): Likewise.
4045 (handle_ptr_arith): Likewise.
4046 (find_func_aliases): Likewise. Remove unused need_anyoffset
4049 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
4050 Kaz Kojima <kkojima@gcc.gnu.org>
4052 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4053 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4054 (EXTRA_CONSTRAINT_C16): Remove.
4055 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4056 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4057 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4058 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4059 constants of SHmedia. Handle nested constant expressions of
4061 (andcosts): Fix the costs for SHmedia constants.
4062 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4063 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4064 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4065 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4066 (movv4hi_i, movv2si_i): Likewise.
4067 (movsi_const): Adjust the second operand of ior so to match with
4069 (movdi_const, movdi_const_32bit): Likewise.
4070 (movdi_const_16bit+1): Don't sign-extend LOW.
4071 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
4073 (*double_shori): Fix the split condition. Use GEN_INT instead
4074 of get_int_mode calls. Mask lower 16-bit of the argument of
4076 (sym2GOTPLT): Remove.
4077 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4079 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4080 instead of EXTRA_CONSTRAINT_C16.
4082 2006-01-07 Ian Lance Taylor <ian@airs.com>
4083 David Edelsohn <edelsohn@gnu.org>
4085 PR rtl-optimization/25662
4086 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4087 for constant operands instead of simplify_gen_binary.
4088 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4089 after trying simplify_binary_operation
4091 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
4093 * tree.c (iterative_hash_expr): Hash decls based on UID.
4095 2006-01-06 Eric Christopher <echristo@apple.com>
4097 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4098 (TARGET_UNWIND_EMIT): Fix spelling.
4099 * target.h (gcc_target): Add except_table_label.
4100 * except.c (output_function_exception_table): Use.
4101 * varasm.c (default_emit_except_table_label): New.
4102 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4104 (asm_out): Add here.
4105 * output.h (default_emit_except_table_label): Prototype.
4106 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4107 * config/darwin.c (darwin_emit_except_table_label): Define.
4108 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4110 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
4112 PR tree-optimization/18527
4113 * tree-ssa-loop-niter.c (number_of_iterations_cond,
4114 number_of_iterations_special, number_of_iterations_exit):
4115 Move base and step of an iv to a single structure. Add
4116 no_overflow flag, and use it in # of iterations analysis.
4117 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4118 folded_casts argument.
4119 (simple_iv): Pass base and step in a structure. Set no_overflow
4121 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4122 Evaluate expensiveness of computing # of iterations instead of
4123 the final expression.
4124 * tree-scalar-evolution.h (affine_iv): New structure.
4125 (simple_iv): Declaration changed.
4126 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4127 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4128 find_givs_in_stmt): Changed due to simple_iv change.
4130 2006-01-06 Jeff Law <law@redhat.com>
4133 * tree-cfg.c (bsi_replace): Rename final argument from
4134 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
4135 change (stmt -> orig_stmt).
4136 * tree-eh.c (verify_eh_throw_stmt_node): New function.
4137 (bsi_remove): Add new argument. Remove EH information
4139 (verify_eh_throw_table_statements): New function.
4140 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
4142 * tree-optimize.c (execute_free_cfg_annotations): Verify
4143 the EH throw statement table after removing annotations.
4144 * except.h (verify_eh_throw_table_statements): Prototype.
4145 * tree-flow.h (bsi_remove): Update prototype.
4146 * tree-vrp.c (remove_range_assertions): Add new argument to
4148 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4149 * tree-complex.c (expand_complex_div_wide): Likewise.
4150 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4151 * tree-tailcall.c (eliminate_tailcall): Likewise.
4152 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4153 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4154 * tree-nrv.c (tree_nrv): Likewise.
4155 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4156 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4157 (combine_blocks): Likewise.
4158 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4159 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4160 (cleanup_control_flow): Likewise.
4161 (remove_forwarder_block): Likewise.
4162 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4163 * tree-sra.c (sra_replace): Likewise.
4164 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4165 (forward_propagate_single_use_vars): Likewise.
4166 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4167 * tree-inline.c (expand_call_inline): Likewise.
4168 * tree-vect-transform.c (vect_transform_loop): Likewise.
4169 * tree-outof-ssa.c (rewrite_trees): Likewise.
4170 * tree-cfg.c (make_goto_expr_edges): Likewise.
4171 (cleanup_dead_labels): Likewise.
4172 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4173 (bsi_move_before, bsi_move_after): Likewise.
4174 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4175 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4177 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
4180 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4182 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4183 on non gimple variables. Also add checks at the top for decls and
4185 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4187 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4188 and IMAGPART_EXPR for creating MUST_DEFs.
4189 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4190 and NAME_MEMORY_TAG separately from the DECLs.
4192 2006-01-06 Richard Guenther <rguenther@suse.de>
4194 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4195 annotation, if necessary.
4196 * tree-ssa-pre.c (create_expression_by_pieces): Remove
4197 redundant calls to update_stmt.
4198 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4201 2006-01-05 Richard Henderson <rth@redhat.com>
4203 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4205 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4207 * c-typeck.c: Update copyright date.
4209 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4211 * c-typeck.c (build_c_cast): Always warn when casting
4212 from a pointer to an integer of different size, even if
4213 the node was constant.
4215 2006-01-05 Richard Guenther <rguenther@suse.de>
4217 PR tree-optimization/22555
4218 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4219 if one structure field is an array.
4220 * tree-ssa-operands.c (get_expr_operands): Continue scanning
4221 operands even if we found a subvar, but ignore VOPs in this
4223 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4225 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4227 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
4230 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4232 2006-01-05 Richard Guenther <rguenther@suse.de>
4233 Diego Novillo <dnovillo@redhat.com>
4235 * tree-pass.h (TODO_remove_unused_locals): Define.
4236 * gimple-low.c (expand_var_p, remove_useless_vars,
4237 pass_remove_useless_vars): Remove. Update all users.
4238 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4239 (remove_unused_locals): New function.
4240 * tree-flow.h (remove_unused_locals): Declare.
4241 * passes.c (execute_todo): Call remove_unused_locals if
4242 TODO_remove_unused_locals is set.
4243 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4244 * tree-ssa-dce.c (pass_dce): Likewise.
4245 * tree-outof-ssa.c (pass_del_ssa): Likewise.
4247 2006-01-05 Richard Guenther <rguenther@suse.de>
4249 * tree-flow.h (struct fieldoff): Decompose field to
4250 type, size and decl.
4251 * tree-ssa-alias.c (create_sft): Take type as parameter.
4252 (create_overlap_variables_for): Store type, size and decl
4253 in the fieldoff structure.
4254 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
4256 (push_fields_onto_fieldstack): Likewise.
4257 (create_variable_info_for): Likewise. Use offset for the
4258 SFT name if the decl is not available.
4260 2006-01-04 Paul Brook <paul@codesourcery.com>
4262 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
4264 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
4266 * lambda-code.c (can_put_in_inner_loop): Relax
4268 (can_put_after_inner_loop): New function.
4269 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
4270 (perfect_nestify): Change to make copies and modify uses.
4272 2006-01-04 Richard Henderson <rth@redhat.com>
4274 Merge from gomp branch:
4275 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
4276 via integer constant.
4277 (pragma_lex): Remove.
4278 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
4279 rather than parsing it.
4280 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
4281 handle_pragma_extern_prefix): Add %< %> quotes.
4282 (registered_pragmas): New.
4283 (c_register_pragma_1): New.
4284 (c_register_pragma): Use it.
4285 (c_register_pragma_with_expansion): Likewise.
4286 (c_invoke_pragma_handler): New.
4287 (init_pragma): Use cpp_register_deferred_pragma directly for
4289 * c-pragma.h (enum pragma_kind): New.
4290 (pragma_handler): New.
4291 (c_invoke_pragma_handler): Declare.
4292 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
4294 * c-common.h (c_common_pch_pragma): Update decl.
4295 * Makefile.in (c-parser.o): Update dependencies.
4296 (GTFILES): Add c-pragma.h.
4297 * c-parser.c (struct c_token): Add pragma_kind.
4298 (struct c_parser): Add in_pragma.
4299 (c_lex_one_token): Always initialize keyword and pragma_kind.
4300 Extract data for CPP_PRAGMA.
4301 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
4302 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
4303 Don't allow CPP_PRAGMA_EOL if in_pragma.
4304 (c_parser_consume_pragma): New.
4305 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
4306 (c_parser_skip_to_end_of_parameter): Likewise.
4307 (c_parser_skip_to_end_of_block_or_statement): Likewise.
4308 (c_parser_skip_to_pragma_eol): New.
4309 (c_parser_external_declaration): Handle CPP_PRAGMA.
4310 (c_parser_compound_statement_nostart): Likewise.
4311 (c_parser_statement_after_labels): Likewise.
4312 (c_parser_pragma): New.
4313 (pragma_lex): Likewise.
4314 (c_parser_pragma_pch_preprocess): New.
4315 (c_parser_new): Merge into ...
4316 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
4318 2006-01-04 Jeff Law <law@redhat.com>
4321 * tree-cfg.c (bsi_replace): Remove the original statement
4322 from the EH throw statement table.
4324 2006-01-04 Jakub Jelinek <jakub@redhat.com>
4326 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
4327 make the prototype extern "C" and add throw ().
4330 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
4331 and pos non-negative and pos + len <= 32.
4332 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
4333 drop pos + len < HOST_BITS_PER_WIDE_INT test.
4334 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
4337 * c-common.c (handle_vector_size_attribute): Reject zero vector size
4338 as well as sizes not multiple of component size.
4341 * function.c (instantiate_expr): New function.
4342 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
4343 walk its DECL_VALUE_EXPR with instantiate_expr.
4345 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
4346 DW_OP_deref{,_size} if address isn't going to be added.
4348 2006-01-04 Ben Elliston <bje@au.ibm.com>
4350 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
4351 * config/fp-bit.c: Likewise.
4353 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
4355 * dominance.c: Add comment about why we use DFS numbering
4358 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4359 Richard Henderson <rth@redhat.com>
4361 Merge from gomp-branch:
4362 * varasm.c (assemble_variable): Handle thread-local COMMON data.
4363 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
4365 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
4367 PR rtl-optimization/25578
4368 * combine.c (combine_simplify_rtx, force_to_mode): Don't
4369 pass a parameter to simplify_shift_const if changing ASHIFTRT
4372 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
4374 * builtins.c (get_builtin_sync_mem): New function.
4375 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4376 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
4377 Call get_builtin_sync_mem to generate mem rtx.
4379 2006-01-03 Richard Guenther <rguenther@suse.de>
4382 * stmt.c (add_case_node): Make sure to clear overflow flags
4385 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4387 Merge from gomp-branch.
4388 * config/sparc/sync.md: New file.
4389 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
4390 UNSPECV_LDSTUB): New constants.
4391 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
4392 * config/sparc/predicates.md (memory_reg_operand): New predicate.
4393 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
4396 2006-01-03 Roger Sayle <roger@eyesopen.com>
4398 * combine.c (reg_subword_p): New predicate to test whether the
4399 destination of a set refers to a subword/piece of a register.
4400 (try_combine): Generalize the code to merge the setting of a
4401 pseudo to a constant followed by a set of a subword of that
4402 register to a constant.
4404 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
4406 * basic-block.h (control_flow_graph): Change the type of
4407 x_label_to_block_map to VEC(basic_block,gc) *.
4408 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
4409 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
4411 * tree-ssa-propagate.c (cfg_blocks): Change the type to
4412 VEC(basic_block,heap) *.
4413 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
4414 ssa_prop_fini): Adjust the uses of cfg_blocks.
4416 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
4418 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
4420 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
4421 hashing trees instead of a pointer hash.
4422 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
4423 compare for MEM_EXPR.
4425 PR rtl-optimization/25130
4426 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
4427 when comparing MEMs for GCSE
4429 2006-01-03 Ben Elliston <bje@au.ibm.com>
4431 * targhooks.h (default_decimal_float_supported_p): Declare.
4432 * targhooks.c (default_decimal_float_supported_p): Define.
4433 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
4434 `default_decimal_float_supported_p'.
4435 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
4437 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
4439 * combine.c (apply_distributive_law <SUBREG>): Check
4440 TRULY_NOOP_TRUNCATION.
4442 2006-01-02 Geoffrey Keating <geoffk@apple.com>
4444 * dwarf2out.c (have_switched_text_section): Delete.
4445 (have_multiple_function_sections): New.
4446 (have_location_lists): Make 'bool'.
4447 (add_AT_loc_list): Use 'true' not '1'.
4448 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
4449 (output_loc_list): Use have_multiple_function_sections.
4450 (output_ranges): Likewise.
4451 (dwarf2out_begin_function): Set have_multiple_function_sections if
4453 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
4454 Check function_section rather than DECL_SECTION_NAME.
4455 (dwarf2out_finish): Use have_multiple_function_sections.
4456 Don't clear have_location_lists.
4458 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
4459 Jan Hubicka <jh@suse.cz>
4461 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
4462 case of conditional jump jumping to the next instruction.
4463 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
4464 cases of conditional jump jumping to the next instruction.
4466 2006-01-02 Jan Hubicka <jh@suse.cz>
4468 * i386.c (*_cost): Add COSTS_N_INSNS.
4469 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
4471 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
4474 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
4476 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4478 * config/arm/arm.c (all_fpus): Fix comment typo.
4479 * config/darwin.c: Likewise.
4480 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
4481 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
4482 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
4484 2006-01-01 David Edelsohn <edelsohn@gnu.org>
4486 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
4487 (rs6000_split_compare_and_swapqhi): New.
4488 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
4489 (sync_compare_and_swapqhi_internal): New.
4490 * config/rs6000/rs6000-protos.h: Declare.