1 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5 computing the effective result type.
7 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11 (tree_overlaps_hard_reg_set): Declare.
12 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13 type and signature to match function type expected by walk_tree.
14 (tree_overlaps_hard_reg_set): New function.
15 (decl_conflicts_with_clobbers_p): Rename to:
16 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
17 Use tree_overlaps_hard_reg_set. Changed caller.
18 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
19 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
20 * cris.c (cris_md_asm_clobbers): Likewise.
22 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
24 * reload1.c (emit_input_reload_insns): Delete code that tries to
25 inherit using find_equiv_reg.
27 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
29 * c-common.h (flag_const_strings): Don't declare.
30 * c-common.c (flag_const_strings): Remove.
31 * c.opt (fconst_strings): Remove.
32 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
33 <OPT_Wwrite_strings>: Don't set flag_const_strings.
34 (c_common_init_options): Don't set flag_const_strings.
35 * doc/invoke.texi (-fno-const-strings): Remove documentation.
37 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
39 * arm.md (tlobits_cbranch): New pattern.
40 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
43 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
46 * tree-ssa-pre.c (create_component_ref_by_pieces):
47 Handle RETURN_DECL like VAR_DECL.
49 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
52 * fold-const.c (fold_indirect_ref_1): Fold
53 "*(foo *)&complexfoo" to "__real__ complexfoo"
54 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
56 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
58 * tree-flow-inline.h (var_can_have_subvars):
59 Volatile variables should not have subvariables.
61 2006-02-09 Diego Novillo <dnovillo@redhat.com>
64 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
65 multiplying unsigned values.
68 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
70 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
72 2006-02-08 Jason Merrill <jason@redhat.com>
75 * tree.def: Elaborate on difference from MODIFY_EXPR.
76 * doc/c-tree.texi (INIT_EXPR): Likewise.
77 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
78 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
79 (gimplify_target_expr): Likewise.
80 (gimplify_cond_expr): Remove target handling.
81 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
82 (gimplify_expr): Clobber it here.
83 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
84 Do return slot optimization if we have an INIT_EXPR.
87 * tree-inline.c (declare_return_variable): Also clear
88 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
91 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
94 * gimplify.c (gimplify_one_sizepos): Fix typo.
96 2006-02-08 Jeff Law <law@redhat.com>
98 PR tree-optimization/21417
99 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
100 across a backedge if the control statement at the end of the
101 block is data dependent on other statements in the same block.
102 (record_temporary_equivalences_from_stmts): Remove over-conservative
103 test for threading across backedges.
105 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
106 control statement, handle all three special cases in the same
107 manner as they all have the same desired solution. No longer
108 special case edge flag updating when the post dominator is
111 2006-02-08 Roger Sayle <roger@eyesopen.com>
113 * tree.def (CHAR_TYPE): Remove.
114 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
115 * dwarf2out.c (base_type_die, is_base_type): Likewise.
116 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
117 (gen_string_type_die): Delete unreachable function.
119 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
120 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
121 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
122 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
123 * builtins.c (type_to_class): Likewise.
124 * fold-const.c (fold_convert, build_range_check,
125 merge_ranges): Likewise.
126 * expr.c (count_type_elements): Likewise.
127 * c-pretty-print.c (pp_c_type_specifier): Likewise.
128 * stor-layout.c (layout_type): Likewise.
129 * ipa-type-escape.c (type_to_consider): Likewise.
130 * gimplify.c (omp_firstprivatize_type_sizes,
131 gimplify_type_sizes): Likewise.
132 * explow.c (promote_mode): Likewise.
133 * tree-sra.c (is_sra_scalar_type): Likewise.
134 * varasm.c (output_constant): Likewise.
135 * tree-inline.c (remap_type_1): Likewise.
136 * convert.c (convert_to_pointer, convert_to_real,
137 convert_to_integer, convert_to_complex): Likewise.
139 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
141 * df-scan.c (df_def_record_1): A set destination may
142 be a parallel regardless of mode.
144 2006-02-08 Roger Sayle <roger@eyesopen.com>
147 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
148 * config/mips/_tilib.c: Remove.
149 * config/fixtfdi.c: New libgcc source file.
150 * config/fixunstfdi.c: New source file.
151 * config/floatditf.c: New source file.
152 * config/floatunditf.c: New souce file.
153 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
154 files above instead of config/mips/_tilib.c.
155 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
157 2006-02-08 Jeff Law <law@redhat.com>
159 PR tree-optimization/26169
160 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
163 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
165 * df.h (DF_REG_SIZE): Return the length of the initialized
168 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
170 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
171 __muldf3): Return a correctly signed zero.
173 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
175 * passes.c (register_one_dump_file): Accept the current properties
176 instead of pass number. Adjust call to dump_register. Remove
178 (register_dump_files): Now a wrapper around...
179 (register_dump_files_1): ... this one. Do not modify the pass
181 (next_pass_1): Cosmetic fix.
182 (execute_todo): Keep second parameter only. Use curr_properties
183 instead of fetching it from the pass structure. Check and set
185 (execute_one_pass): Handle TODO_set_props. Use curr_properties
186 instead of fetching it from the pass structure. Fix calls to
187 execute_todo. Update curr_properties and initialize .vcg RTL dump
188 after running the pass. Reset last_verified.
189 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
191 (FIRST_AUTO_NUMBERED_DUMP): New.
192 (dump_register): Remove "num" parameter, assign it within the
194 (get_dump_file_name): Modify template for dumps.
195 * tree-dump.h (dump_register): Adjust prototype.
196 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
197 (PROP_trees): Add PROP_gimple_lomp.
198 (TODO_set_props): New.
199 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
200 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
201 * cfgexpand.c (pass_expand): Destroy PROP_trees.
203 2006-02-08 Jakub Jelinek <jakub@redhat.com>
205 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
206 (sparc64-*-linux*): Likewise.
207 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
208 * config/sparc/t-linux: New file.
209 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
210 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
211 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
212 -m32 -mlong-double-128.
214 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
215 * config/alpha/t-linux: New file.
216 * config/alpha/libgcc-alpha-ldbl.ver: New file.
218 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
219 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
220 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
221 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
222 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
223 (CPP_ARCH32_SPEC): Remove.
225 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
227 PR tree-optimization/26145
228 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
231 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
234 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
235 >= 240000 when generating code for SOM runtime.
236 (output_indirect_call): Don't use "b,l" instruction for indirect calls
237 to $$dyncall when generating code for SOM runtime..
239 2006-02-07 Dirk Mueller <dmueller@suse.com>
242 * doc/invoke.texi (-Wsequence-point): Update documentation
243 that -Wsequence-point is implemented for C++ as well.
245 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
247 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
248 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
249 (LIB_SPEC): Likewise.
250 * doc/invoke.texi (SPARC options): Document -pthread.
252 2006-02-07 Geoffrey Keating <geoffk@apple.com>
254 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
257 2006-02-07 Roger Sayle <roger@eyesopen.com>
259 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
260 Correct comment describing BOOLEAN_TYPE.
262 2006-02-07 Dirk Mueller <dmueller@suse.com>
264 * c.opt: C++ frontend supports -Wdiv-by-zero.
265 * c-opts.c (c_common_handle_option): Remove dead case.
267 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
269 * configure.ac (TLS assembler check): Do not enable TLS by
270 default on SPARC/Solaris before version 10.
271 * configure: Regenerate.
273 2006-02-07 David Edelsohn <edelsohn@gnu.org>
275 * doc/invoke.texi (xl-compat): Document conversion and support
278 2006-02-07 Jeff Law <law@redhat.com>
280 * tree-vrp.c (find_conditional_asserts): Update comments.
281 (simplify_stmt_for_jump_threading): New.
282 (identify_jump_threads, finalize_jump_threads): New.
283 (vrp_finalize): Call identify_jump_threads.
284 (execute_vrp): Call finalize_jump_threads.
285 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
286 (vrp_element, vrp_data, vrp_element_p): Remove.
287 (vrp_hash_elt, vrp_variables_stack): Remove.
288 (vrp_hash, vrp_eq, record_range): Remove.
289 (simplify_cond_and_lookup_avail_expr): Remove.
290 (extract_range_from_cond): Remove.
291 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
292 (simplify_stmt_for_jump_threading): New.
293 (dom_thread_across_edge): New wrapper.
294 (tree_ssa_dominator_optimize): No longer initialize or
295 finalize any of the VRP datastructures. Remove iteration
296 step and simplify as a result of removal of iteration step.
297 (pass_dominator): Perform a cfg cleanup after DOM.
298 (dom_opt_finalize_block): Use the new common routines
299 for threading jumps. Simplify stack management slightly.
300 No longer need to unwind VRP state.
301 (record_equivalences_from_incoming_edge): No longer record
303 (eliminate_redundant_computations): No longer call
304 simplify_cond_and_lookup_avail_expr.
305 * tree-flow.h (potentially_threadable_block): Prototype.
306 (thread_across_edge): Likewise.
307 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
308 (tree-ssa-threadedge.o): Add dependencies.
309 * tree-ssa-threadedge.c: New file.
310 * passes.c (init_optimization_passes): Merge PHIs before
311 calling VRP. Run VRP again late in the SSA optimization pipeline.
313 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
315 * df-core.c (df_set_blocks): Do not dereference function pointers.
316 (df_finish1): Likewise.
317 (df_hybrid_search_forward): Likewise.
318 (df_hybrid_search_backward): Likewise.
319 (df_iterative_dataflow): Likewise.
320 (df_analyze_problem): Likewise.
321 (df_compact_blocks): Likewise.
323 * df-scan.c (df_rescan_blocks): Likewise.
324 (df_record_entry_block_defs): Likewise.
326 * genconditions.c (write_conditions): Guard the definition of
327 'insn_conditions' with the check on GCC version.
328 (write_writer): Guard the traversal 'insn_conditions' with
329 the check on GCC version.
331 2006-02-07 Richard Guenther <rguenther@suse.de>
335 2006-01-30 Richard Guenther <rguenther@suse.de>
337 * gimplify.c (gimplify_target_expr): Handle easy cases
338 without creating a temporary.
340 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
342 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
343 use of float in probability computations. Use edge probabilities
344 in place of statically computed probabilities.
345 (min_spec_prob): New static variable.
346 (schedule_insns): Initialize it.
347 (GET_SRC_PROB): Removed.
348 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
350 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
353 * config/ia64/unwind-ia64.c: Revert last change.
354 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
355 (INCOMING_FRAME_SP_OFFSET): Define.
357 2006-02-06 Roger Sayle <roger@eyesopen.com>
359 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
361 2006-02-07 Ben Elliston <bje@au.ibm.com>
363 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
364 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
365 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
366 (ix86_return_in_memory): Handle TDmode.
367 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
368 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
370 2006-02-06 Richard Sandiford <richard@codesourcery.com>
372 * reorg.c (dbr_schedule): Use dump_file instead of file.
374 2006-02-06 Steve Ellcey <sje@cup.hp.com>
377 * config/ia64/predicates.md (extr_len_operand): New predicate.
378 * config/ia64/ia64.md (extv): Tighten constraints.
380 (*tbit_and_2): Ditto.
381 (*tbit_and_3): Ditto.
387 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
390 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
392 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
394 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
395 loop_optimizer_init and loop_optimizer_finalize
396 * tree-ssa-sink.c (execute_sink_code): Ditto.
397 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
398 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
399 tree_ssa_loop_done): Ditto.
400 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
401 * sched-ebb.c: Include output.h.
402 (schedule_ebbs): Do not use dump argument.
403 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
404 * loop.c (loop_dump_stream): Removed.
405 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
407 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
408 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
409 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
410 loop_iterations, strength_reduce, record_biv, record_giv,
411 final_giv_value, check_final_value, check_ext_dependent_givs,
412 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
413 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
414 dump_file instead of loop_dump_stream.
415 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
417 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
419 * flow.c (life_analysis, rest_of_handle_life): Ditto.
420 * haifa-sched.c: Include output.h
421 (schedule_insns, sched_init): Do not use dump argument.
422 * mode-switching.c (optimize_mode_switching): Ditto.
423 * modulo-sched.c (stats_file): Removed.
424 (print_node_sched_params): Do not call argument dump_file.
425 (sms_schedule_by_order, loop_canon_p, sms_schedule,
426 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
428 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
430 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
431 rtl_loop_init, rtl_loop_done): Ditto.
432 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
433 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
435 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
436 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
437 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
438 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
439 * emit-rtl.c (renumber_insns): Ditto.
440 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
441 expand_gimple_basic_block, tree_expand_cfg): Ditto.
442 * regclass.c (regclass): Ditto.
443 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
444 remove_ssa_form, rewrite_out_of_ssa): Ditto.
445 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
446 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
448 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
449 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
451 * gcse.c (gcse_file, debug_stderr): Removed.
452 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
453 rest_of_handle_gcse): Do not use dump argument.
454 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
455 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
456 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
457 compute_code_hoist_vbeinout, compute_code_hoist_data,
458 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
459 compute_store_table, build_store_vectors, insert_insn_start_bb,
460 insert_store, remove_reachable_equiv_notes, replace_store_insn,
461 store_motion): Use dump_file instead of gcse_file.
462 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
463 * profile.c (profile_dump_file): Removed.
464 (branch_prob): Use dump_file instead of profile_dump_file.
465 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
467 * tree-ssa-copy.c (dump_copy_of): Ditto.
468 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
469 dump file to life_analysis.
470 * bt-load.c (branch_target_load_optimize): Ditto.
471 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
473 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
474 regclass, dbr_schedule): Declaration changed.
475 * sched-int.h (sched_init): Declaration changed.
476 * tree-profile.c (tree_profile_dump_file): Removed.
477 (tree_profile_hooks): Removed profile_dump_file hook.
478 * rtl-profile (rtl_profile_dump_file): Removed.
479 (rtl_profile_hooks): emoved profile_dump_file hook.
480 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
482 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
483 * tree-cfg.c (build_tree_cfg): Ditto.
484 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
485 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
487 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
488 life_analysis and schedule_insns.
489 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
491 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
493 * config/mips/mips.c (mips_reorg): Ditto.
494 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
497 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
499 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
500 (s390_mangle_fundamental_type): New.
501 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
504 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
505 (alpha_mangle_fundamental_type): New.
506 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
509 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
511 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
513 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
514 (sparc_mangle_fundamental_type): New.
516 2006-02-06 Jakub Jelinek <jakub@redhat.com>
518 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
519 (s390x-*-linux*): Likewise.
520 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
521 * config/s390/t-linux: New file.
523 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
525 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
526 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
528 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
530 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
531 (ANTIC_SAFE_LOADS): New macro.
532 (find_or_generate_expression): Add prototype.
533 (set_contains_value): Allow null set for sake of not always having
534 to allocate ANTIC_SAFE_LOADS.
535 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
536 Allow COMPONENT_REF too.
537 (valid_in_set): Allow COMPONENT_REF.
538 Check ANTIC_SAFE_LOADS too.
539 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
540 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
542 (can_PRE_operation): Add COMPONENT_REF.
543 (create_component_ref_by_pieces): New function.
544 (create_expression_by_pieces): Use create_component_ref_by_pieces.
545 (insert_aux): Move AGGREGATE_TYPE_P check here.
546 (compute_avail): Set bb local stmt uids.
547 (pass_pre): Use TODO_update_ssa_only_virtuals.
549 2006-02-06 Ben Elliston <bje@au.ibm.com>
551 * configure.ac: Unconditionally disable decimal float by default.
552 * configure: Regenerate.
554 2006-02-06 Ben Elliston <bje@au.ibm.com>
556 * read-rtl.c (read_name): Terminate reading on EOF.
558 2006-02-06 Ben Elliston <bje@au.ibm.com>
560 * dfp.c (decimal_real_arithmetic): Change second argument type
561 from int to enum tree_code. Do not always return true, but now
562 return result of any call to decimal_do helper functions.
563 * dfp.h (decimal_real_arithmetic): Update prototype.
565 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
567 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
569 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
572 * tree-cfg.c (cleanup_dead_labels): Also don't remove
575 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
577 * tree-vrp.c (cfg_loops): Removed.
578 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
579 Use current_loops instead of cfg_loops. Pass flags to
581 * cfgloopmanip.c (fix_loop_structure): Update only available
583 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
585 * modulo-sched.c (build_loops_structure): Removed.
586 (sms_schedule): Use loop_optimizer_init.
587 * loop-init.c (loop_optimizer_init): Use flags to determine
588 which properties of loops to prepare.
589 (rtl_loop_init): Pass flags to loop_optimizer_init.
590 * tree-ssa-sink.c (execute_sink_code): Ditto.
591 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
592 * tree-ssa-pre.c (init_pre): Ditto.
593 * cfgloop.h (LOOPS_NORMAL): New.
594 (loop_optimizer_init): Declaration changed.
596 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
598 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
599 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
601 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
603 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
605 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
606 * pa/t-pa64: Delete quadlib.c rule.
607 * pa/x-ada: Revert last change.
608 * pa/t-pa: Revert last change. Delete quadlib.c rule.
610 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
612 PR rtl-optimization/26087
613 * rtlanal.c (canonicalize_condition): Do not cross basic block
616 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
619 * config/ia64/ia64.c: Include debug.h.
620 (MAX_ARTIFICIAL_LABEL_BYTES): New.
621 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
622 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
623 (process_epilogue, process_set, process_for_unwind_directive):
624 Output unwind info only if requested. Add CFA info if requested.
625 Add new arguments as needed. Adjust callers.
626 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
628 (DWARF2_FRAME_INFO): Define to zero.
629 * config/ia64/unwind-ia64.c: Remove code that compensated for
630 the CFA offset error fixed above.
631 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
632 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
633 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
634 -funwind-tables and -fexceptions to enable frame info.
635 (dwarf2out_frame_init): Define initial CFA even if
636 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
637 DWARF2_UNWIND_INFO is nonzero, not just defined.
638 (dwarf2out_frame_finish): Output non-EH call frame info only
639 if DWARF2_FRAME_INFO is nonzero.
640 (convert_cfa_to_loc_list,
641 compute_frame_pointer_to_cfa_displacement): Define even if
642 unwind info is not supported.
643 (gen_subprogram_die): Use the above unconditionally. Remove
644 legacy alternate code.
645 * toplev.c (compile_file): Compile in call to
646 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
647 (lang_dependent_init): Ditto for dwarf2out_frame_init.
649 2006-02-04 David Edelsohn <edelsohn@gnu.org>
650 Jakub Jelinek <jakub@redhat.com>
652 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
653 IBM extended float format long double as "g" on powerpc*-linux.
655 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
658 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
659 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
661 2006-02-03 Jason Merrill <jason@redhat.com>
664 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
667 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
668 on the return slot if it's an NRV.
670 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
672 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
673 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
674 rewrite_use): Do not handle USE_OUTER.
675 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
676 add_iv_outer_candidates, may_replace_final_value,
677 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
678 (find_interesting_uses_op): Functionality of
679 find_interesting_uses_outer_or_nonlin moved here.
680 (find_interesting_uses_outside): Use find_interesting_uses_op.
682 2006-02-03 Alan Modra <amodra@bigpond.net.au>
685 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
687 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
688 Ulrich Weigand <uweigand@de.ibm.com>
691 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
692 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
693 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
694 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
696 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
697 (s390_rtx_costs): Use the new fields to calculate rtx costs.
698 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
699 Define secondary reloads for TFmode moves.
700 (constant_modes): Add TFmode.
701 (NR_C_MODES): Set to 8.
702 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
704 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
705 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
706 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
707 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
708 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
709 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
710 (FPR mode macro): Add TFmode.
711 (DSF mode macro): New.
712 (<de>, <dee> mode attributes): Removed.
713 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
714 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
715 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
716 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
717 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
718 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
719 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
720 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
721 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
722 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
723 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
724 "*negabs<mode>2", "sqrt<mode>2"):
725 Changed <de> to <xde>. R constraint replaced by <Rf>.
726 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
728 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
729 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
730 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
732 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
733 "extenddftf2", "extendsftf2"): New expanders.
734 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
735 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
736 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
737 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
739 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
740 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
741 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
742 __floatditf): Add a GCC_4.1.0 symbol version tag.
743 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
746 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
749 * config/i386/i386.c (ix86_function_ok_for_sibcall):
750 Use targetm.binds_local_p instead of TREE_PUBLIC.
752 2006-02-02 Roger Sayle <roger@eyesopen.com>
754 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
755 on INTEGER_TYPEs to indicate that it denotes a character type.
756 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
757 signed_char_type_node, unsigned_char_type_node and char_type_node.
758 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
759 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
760 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
762 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
763 Daniel Berlin <dberlin@dberlin.org>
765 * tree-tailcall.c (arg_needs_copy_p): New function.
766 (eliminate_tail_call): Use arg_needs_copy_p.
767 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
768 (add_virtual_phis): New function.
770 2006-02-02 Jakub Jelinek <jakub@redhat.com>
772 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
773 #ignore instead of #scratch for %g7 .register directive.
775 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
777 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
780 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
782 * flow.c (calculate_global_regs_live): Assert that there aren't any
785 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
787 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
789 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
790 bsi_after_labels iterator.
791 * tree-if-conv.c (find_phi_replacement_condition,
792 replace_phi_with_cond_modify_expr): Likewise.
793 * tree-scalar-evolution.c (scev_const_prop): Likewise.
794 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
796 2006-02-02 Diego Novillo <dnovillo@redhat.com>
798 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
800 2006-02-02 Diego Novillo <dnovillo@redhat.com>
803 * tree-cfg.c (move_block_to_fn): Clear out the basic block
804 array after growing it.
806 2006-02-01 Steve Ellcey <sje@cup.hp.com>
809 * fold-const.c (fold_checksum_tree): Change type of buf.
811 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
813 * reload.c (push_secondary_reload): Initialize t_icode.
815 2006-02-01 Jakub Jelinek <jakub@redhat.com>
817 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
818 -msoft-float -mlong-double-128 only issue a warning, but don't
819 swich to DFmode long double.
821 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
823 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
824 has a constant equivalent, iterate over equivalents for arg0,
825 calling simplify_relational_operation and if there's a result
826 cheaper than X, apply fold_rtx and return the result.
828 2006-02-01 Jan Hubicka <jh@suse.cz>
830 * opts.c (no_unit_at_a_time_default): New global variable.
831 (decode_options): Use it.
832 * opts.h (no_unit_at_a_time_default): Declare.
834 2006-02-01 Paul Brook <paul@codesourcery.com>
836 * function.c (assign_parm_setup_reg): Use function argument promotion
838 * expr.c (expand_expr_real_1): Use function argument promotion rules
841 2006-02-01 Steve Ellcey <sje@cup.hp.com>
843 * gcc.c (process_command): Change j to 'unsigned int'.
845 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
848 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
849 Use the corrected index for the character
850 out of the string constant.
852 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
854 * mode-switching.c (optimize_mode_switching): Fix size
855 allocated for bb_info[n_entities].
857 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
859 * gcc.c (main): Correct type that is allocated for
862 2006-01-31 Jakub Jelinek <jakub@redhat.com>
864 * config/s390/s390.c (init_alignment_context): Set
865 ALIAS_SET_MEMORY_BARRIER on the MEM.
866 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
868 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
871 * loop-unroll.c (unroll_loop_runtime_iterations): Free
873 * tree-ssa-live.c (type_var_init): Allocate bitmap after
876 2006-01-31 Marcin Dalecki <martin@dalecki.de>
878 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
879 * regrename.c: Ditto.
880 * tree-ssa-loop-im.c: Ditto.
881 * tree-dump.c: Ditto.
882 * tree-complex.c: Ditto.
884 * tree-ssa-threadupdate.c: Ditto.
886 * java/class.c: Ditto.
887 * java/jcf-parse.c: Ditto.
888 * java/resource.c: Ditto.
889 * java/except.c: Ditto.
890 * java/jvspec.c: Ditto.
891 * java/jcf-write.c: Ditto.
892 * java/jcf-path.c: Ditto.
893 * java/gjavah.c: Ditto.
894 * java/zextract.c: Ditto.
895 * java/jcf-io.c: Ditto.
897 * java/buffer.c: Ditto.
898 * java/lang.c: Ditto.
899 * java/parse-scan.y: Ditto.
902 * cfgloopmanip.c: Ditto.
903 * postreload-gcse.c: Ditto.
904 * tree-ssa-loop-manip.c: Ditto.
905 * postreload.c: Ditto.
906 * tree-ssa-loop-ch.c: Ditto.
910 * diagnostic.c: Ditto.
912 * genoutput.c: Ditto.
915 * cfgloopanal.c: Ditto.
916 * objc/objc-act.c: Ditto.
918 * genextract.c: Ditto.
919 * genautomata.c: Ditto.
920 * pretty-print.c: Ditto.
922 * cgraphunit.c: Ditto.
925 * haifa-sched.c: Ditto.
926 * dominance.c: Ditto.
928 * tree-ssa-loop-ivopts.c: Ditto.
930 * mode-switching.c: Ditto.
931 * modulo-sched.c: Ditto.
933 * ipa-pure-const.c: Ditto.
935 * fix-header.c: Ditto.
937 * tree-stdarg.c: Ditto.
938 * ipa-utils.c: Ditto.
939 * loop-init.c: Ditto.
940 * ipa-inline.c: Ditto.
943 * alloc-pool.c: Ditto.
944 * dwarf2out.c: Ditto.
946 * genattrtab.c: Ditto.
947 * tree-ssa-loop-ivcanon.c: Ditto.
951 * fortran/gfortranspec.c: Ditto.
953 * local-alloc.c: Ditto.
954 * langhooks.c: Ditto.
956 * tree-vectorizer.c: Ditto.
958 * ipa-type-escape.c: Ditto.
960 * tree-if-conv.c: Ditto.
963 * tree-data-ref.c: Ditto.
964 * loop-unroll.c: Ditto.
965 * treelang/treetree.c: Ditto.
968 * ggc-common.c: Ditto.
972 * tree-cfgcleanup.c: Ditto.
973 * tree-ssa-pre.c: Ditto.
974 * cfgcleanup.c: Ditto.
975 * loop-invariant.c: Ditto.
978 * print-tree.c: Ditto.
981 * sched-deps.c: Ditto.
983 * tree-object-size.c: Ditto.
985 * bb-reorder.c: Ditto.
987 * var-tracking.c: Ditto.
989 * df-problems.c: Ditto.
990 * reg-stack.c: Ditto.
993 * sched-rgn.c: Ditto.
994 * tree-ssa-structalias.c: Ditto.
995 * tree-ssa-reassoc.c: Ditto.
996 * config/darwin-c.c: Ditto.
997 * config/darwin.c: Ditto.
998 * config/arm/arm.c: Ditto.
1000 * collect2.c: Ditto.
1003 2006-01-31 Nicolas Pitre <nico@cam.org>
1005 * arm.md (smaxsi3): Make aware of smax_m1.
1008 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
1010 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1012 2006-01-31 Richard Guenther <rguenther@suse.de>
1014 * doc/invoke.texi (-msselibm): Document.
1015 * target.h (expand_library_builtin): New target hook.
1016 * builtins.c (expand_builtin): Use expand_library_builtin.
1017 (default_expand_library_builtin): New function.
1018 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1019 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1020 (link_gcc_math_spec): Declare.
1021 (static_specs): Add link_gcc_math_spec.
1022 * expr.h (default_expand_library_builtin): Declare.
1023 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1024 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1025 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1026 * config/i386/i386.opt (msselibm): New target option.
1027 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1028 (ix86_init_sse_abi_builtins): New function.
1029 (ix86_expand_library_builtin): Likewise.
1030 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1031 (override_options): Handle error conditions wrt -msselibm.
1032 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1033 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1034 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1037 2006-01-31 Richard Guenther <rguenther@suse.de>
1038 Paolo Bonzini <bonzini@gnu.org>
1040 * doc/install.texi (--disable-libgcc-math): Document.
1042 2006-01-30 Marcin Dalecki <martin@dalecki.de>
1044 * expr.h (expand_normal): new inline function.
1045 * builtins.c: use it, use EXPAND_NORMAL explicitely.
1047 * dwarf2out.c: use it.
1052 * config/sparc/sparc.c: use it.
1053 * config/i386/i386.c: use it.
1054 * config/rs6000/rs6000.c: use it.
1055 * config/arm/arm.c: use it.
1056 * config/mips/mips.c: use it.
1057 * stmt.c: use it, use EXPAND_NORMAL explicitely.
1059 2006-01-30 Roger Sayle <roger@eyesopen.com>
1061 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1062 argv to the appropriate type.
1064 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
1066 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1069 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
1072 * config/s390/s390.c (struct machine_function): New flag
1073 decomposed_literal_pool_addresses_ok_p.
1074 (s390_reorg): Set it before final stage of literal pool transforms.
1075 (s390_decompose_address): Only accept displacements of the form
1076 (minus (label_ref ...) (label_ref ...)) if that flag is set.
1078 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
1080 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1081 the comparison routine return.
1083 2006-01-30 Michael Matz <matz@suse.de>
1085 * global.c (find_reg): Only evict for global regs.
1086 Take n_refs into account and dump more info.
1088 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
1091 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1092 (pragma_trap, pragma_nosave_low_regs): Likewise.
1093 (current_function_anonymous_args): Likewise.
1094 (sh_deferred_function_attributes): New variable.
1095 (sh_deferred_function_attributes_tail): Likewise.
1096 (print_operand): For '@', look up trap_exit attribute.
1097 (calc_live_regs): Look up trapa_handler attribute. For trapa
1098 handlers, save/restore fpscr, but don't do any other
1099 interrupt-specific saves.
1100 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1101 Fix check for partially saved registers to check for SHmedia.
1102 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1103 (sh_output_function_epilogue): Don't clear any of the removed
1105 (sh_insert_attributes): Don't check pragma_interrupt.
1106 Insert deferred attributes. Check that interrupt attribute is
1107 present for other attributes that require its presence.
1108 (sh_attribute_table): Add new attributes trapa_handler and
1110 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1111 Don't check for pragma_interrupt. Don't store argument.
1112 * sh.h (pragma_interrupt, sp_switch): Don't declare.
1113 (sh_deferred_function_attributes): Declare.
1114 (sh_deferred_function_attributes_tail): Likewise.
1115 * sh.md (sp_switch_1): Add operand. Change generator caller.
1116 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1117 (*return_i): Don't use when trap_exit attribute is in effect.
1118 (*return_trapa): New insn pattern.
1120 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1121 setting c_target_objs and cxx_target_objs.
1122 * t-sh: Add rule for sh-c.o.
1124 2006-01-30 Richard Guenther <rguenther@suse.de>
1127 * gimplify.c (gimplify_target_expr): Handle easy cases
1128 without creating a temporary.
1130 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
1132 * vec.h (safe_grow): Remove duplicated line.
1134 2006-01-29 Diego Novillo <dnovillo@redhat.com>
1137 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1138 (expand_omp): ... here.
1139 (expand_omp_parallel): Only remove barriers for combined
1140 parallel+workshare constructs.
1142 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
1146 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1147 * tree.c (build_qualified_type): Chain the new type to the original
1148 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1149 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1150 (build_pointer_type_for_mode): Only return unqualified types.
1151 (build_reference_type_for_mode): Likewise.
1153 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
1155 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1156 * Makefile.in (CXX_COMPAT_WARN): Define.
1157 * configure: Regenerate.
1159 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
1162 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1165 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1167 * toplev.c: Fix thinko.
1169 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1170 Marcin Dalecki <martin@dalecki.de>
1172 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1173 (push_srcloc): Use XNEW.
1174 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1176 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1178 * df-core.c (df_set_blocks): Deleted all variable.
1180 2006-01-28 Ian Lance Taylor <ian@airs.com>
1182 * cgraphunit.c (cgraph_assemble_pending_functions): Call
1183 cgraph_output_pending_asms.
1185 2006-01-28 Zack Weinberg <zackw@panix.com>
1187 * c.opt: Add -W(no-)overlength-strings.
1188 * doc/invoke.texi: Document it.
1189 * c-opts.c (c_common_handle_option): -pedantic implies
1190 -Woverlength-strings, if not explicitly disabled already.
1191 (c_common_post_options): -Woverlength-strings defaults to off, and
1192 is always off for C++.
1193 * c-common.c (fix_string_type): Issue warning about strings longer
1194 than is portable only if warn_overlength_strings. Rearrange code
1195 a little for clarity.
1196 * configure.in: Check for -Wno-overlength-strings as well before
1197 enabling -pedantic in stage 1.
1198 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1199 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1201 * genconditions.c (write_header, write_one_condition)
1202 (write_conditions, write_writer): Consolidate very long strings
1203 that were broken up to fit in C89 portable limit. Don't use
1204 printf when fputs will do.
1206 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
1208 * combine.c (simplify_comparison <AND>): Check
1209 TRULY_NOOP_TRUNCATION before start using a subreg.
1211 * config/mips/mips.md (*branch_zero<mode>,
1212 *branch_zero<mode>_inverted, *branch_equality<mode>,
1213 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1214 Remove mode check from comparisons.
1216 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
1218 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1220 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1222 * expmed.c (const_mult_add_overflow_p): Remove.
1223 * expr.h: Remove the prototype for const_mult_add_overflow_p.
1225 * recog.c (validate_replace_rtx_subexp): Remove.
1226 * recog.h: Remove the prototype for
1227 validate_replace_rtx_subexp.
1229 * integrate.h: Remove the prototype for
1230 copy_decl_for_inlining.
1231 * rtl.h: Remove the prototype for mark_constant_function.
1232 * tree-vectorizer.h: Remove the prototype for
1233 vect_strip_conversion.
1235 * modulo-sched.c (create_partial_schedule,
1236 free_partial_schedule, reset_partial_schedule): Make them
1239 * hooks.c (hook_bool_rtx_int_false): Remove.
1240 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1242 2006-01-28 David Edelsohn <edelsohn@gnu.org>
1244 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1245 and -mlong-double-128 are incompatible.
1246 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1247 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1248 (TARGET_LIBGCC2_CFLAGS): Define.
1249 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1250 (TARGET_LIBGCC2_CFLAGS): Same.
1251 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1253 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1256 * c-typeck.c (build_binary_op): Perform implicit casts of
1257 operands before shortening them.
1259 * cfgloopmanip.c (split_loop_bb): Remove.
1260 * cfgloop.h: Remove the prototype for split_loop_bb.
1262 * cfgloop.c (flow_loop_outside_edge_p): Remove.
1263 * cfgloop.h: Remove the prototype for
1264 flow_loop_outside_edge_p.
1266 * emit-rtl.c (init_virtual_regs): Make it static.
1267 * function.h: Remove the prototype for init_virtual_regs.
1269 * recog.c (peephole2_optimize): Make it static.
1270 * recog.h: Remove the prototype for peephole2_optimize.
1272 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1274 * df-scan.c (df_record_entry_block_defs): Check if
1275 INCOMING_RETURN_ADDR_RTX is defined.
1277 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
1278 Kenneth Zadeck <zadeck@naturalbridge.com>
1280 PR rtl-optimization/24762
1281 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1282 * targhooks.c (hook_void_bitmap): New hook prototype.
1283 * targhoohs.h (hook_void_bitmap): Ditto.
1284 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1285 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1286 * target.h (live_on_entry): New function pointer.
1287 * df-scan.c (df_all_hard_regs): Removed.
1288 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1289 (df_scan_free_internal): Added df->entry_block_defs.
1290 (df_scan_alloc): Ditto.
1291 (df_scan_dump): Ditto.
1292 (df_uses_record): Plumbed flag field properly thru calls.
1293 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1294 This part fixes PR24762.
1295 (df_bb_refs_record): Added code to make the frame and arg
1296 pointers live in EH blocks.
1297 (df_refs_record): Added call to df_record_entry_block_defs.
1298 (df_record_entry_block_defs): New function.
1299 * df-core.c: Added comments to describe new artifical defs.
1300 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1301 (entry_block_defs): New field in struct df.
1302 (df_all_hard_regs): Deleted.
1303 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1304 * df-problems.c (df_ru_bb_local_compute_process_def):
1305 Added code to handle artifical defs in the entry to a function.
1306 (df_ru_bb_local_compute): Ditto.
1307 (df_rd_bb_local_compute_process_def): Ditto.
1308 (df_rd_bb_local_compute): Ditto.
1309 (df_lr_bb_local_compute): Ditto.
1310 (df_ur_bb_local_compute): Ditto.
1311 (df_urec_bb_local_compute): Ditto.
1312 (df_chain_create_bb): Ditto.
1313 (df_ur_local_finalize): Removed entry.
1314 (df_urec_init): Ditto.
1315 (df_urec_local_finalize): Ditto.
1316 (df_ri_bb_compute): Added detection of last use of pseudos.
1317 * Makefile.in (df-scan.o): Updated dependencies.
1318 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1319 * config/mips/mips.c (mips_set_live_on_entry): Added.
1320 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1322 * dce.c (marked_insn_p): Added code to handle artifical defs.
1324 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1326 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1328 (_mm_cvtsi128_si64): Likewise.
1329 (_mm_cvtsd_si64): Likewise.
1330 (_mm_cvttsd_si64): Likewise.
1331 (_mm_cvtsi64_sd): Likewise.
1332 (_mm_cvtsi64_si128): Likewise.
1333 * config/i386/mmintrin.h (_m_from_int64): Likewise.
1334 (_mm_cvtsi64_m64): Likewise.
1335 (_m_to_int64): Likewise.
1336 (_mm_cvtm64_si64): Likewise.
1337 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1338 (_mm_cvttss_si64): Likewise.
1339 (_mm_cvtsi64_ss): Likewise.
1340 (_mm_cvtss_f32): Likewise.
1342 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
1344 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1345 for pragma redefine_extname.
1347 2006-01-27 Jakub Jelinek <jakub@redhat.com>
1350 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1351 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1352 -mno-minimal-toc to previous content.
1353 (bispecs): Remove goal.
1354 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1355 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1356 compatibility aliases on powerpc-*-*gnu*.
1357 * config/rs6000/libgcc-ppc-glibc.ver: New file.
1358 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1359 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1360 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1361 (ldblspecs): New goal.
1362 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1363 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1365 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1366 L_sf_to_tf or L_df_to_tf is defined.
1368 2006-01-27 David Edelsohn <edelsohn@gnu.org>
1369 Alan Modra <amodra@bigpond.net.au>
1372 * config/rs6000/linux.h (POWERPC_LINUX): Define.
1373 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1374 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1375 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1376 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1377 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
1378 (rs6000_override_options): Initialize rs6000_ieeequad.
1379 Initialize TFmode format to ibm_extended_format if not
1381 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
1383 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
1384 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
1385 (function_arg_advance): IBM long double passed in two FPRs, not
1387 (function_arg): IBM long double passed in FPRs.
1388 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
1389 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
1390 Only multireg GPR aligned.
1391 (rs6000_init_libfuncs): Enable IBM long double functions if not
1393 (rs6000_generate_compare): Use IBM long double compare if not
1395 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
1396 (TARGET_IEEEQUAD): Define.
1397 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
1398 not TARGET_IEEEQUAD.
1399 * config/rs6000/rs6000.md: Enable TFmode patterns if
1401 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
1402 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1403 and -mlong-double-128 are incompatible.
1404 * doc/invoke.texi (-mabi): Collect options together. Add
1405 ibmlongdouble and ieeelongdouble.
1407 2006-01-27 Richard Sandiford <richard@codesourcery.com>
1409 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
1411 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
1412 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
1413 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
1414 * rtl.h (rtunion_def): Remove rt_ptr.
1416 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
1417 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
1418 * config/i386/winnt.c (i386_pe_mark_dllexport)
1419 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
1421 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
1423 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
1425 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1429 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
1430 pthread_key_delete. From John David Anglin. gthrw-ify
1431 pthread_getunique_np only if it it's not a macro. Delete
1433 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
1434 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
1435 __gthread_objc_condition_signal, __gthread_key_delete): Add
1436 "__attribute__ ((__unused__))" to unused arguments.
1437 (__gthread_recursive_mutex_init_function): Add missing return.
1438 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
1439 gthr-posix95.h: Use macro-based approach for name redirection
1440 on targets missing weakref.
1442 2006-01-26 Zack Weinberg <zackw@panix.com>
1444 * genconditions.c (write_header): In generated code, #ifdef out
1445 all includes and fake declarations, except includes of bconfig.h
1446 and system.h, unless GCC_VERSION >= 3001. Do not include
1447 gensupport.h in any case.
1448 (write_conditions): Generate a definition of struct c_test. Add
1449 a comment to the generated #endif.
1450 (write_one_condition): Escape backslashes in string too.
1451 (write_writer): Generated code must escape backslashes and quote
1452 marks (but not newlines) in the strings it writes.
1453 * Makefile.in (build/gencondmd.o): Update dependencies.
1455 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1458 * Makefile.in (insn-automata.o): Add header file dependencies.
1459 * genautomata.c: Add includes.
1461 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1464 * Makefile.in (insn-automata.o): Add -Wno-error flag.
1466 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1468 * configure.ac: Expect target tools paths to be passed from the toplevel
1469 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
1471 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
1473 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1476 * c.opt (Wpointer-sign): Init to -1.
1477 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
1478 OPT_pedantic, to 0 otherwise.
1479 * doc/invoke.texi: Update.
1481 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1483 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
1484 constants provided by 80387 instructions in the destination mode.
1486 2006-01-26 Richard Guenther <rguenther@suse.de>
1487 Andrew Pinski <pinskia@physics.uc.edu>
1490 partial PR tree-opt/17064
1491 * tree-ssa-structalias.c (intra_create_variable_infos):
1492 Create heap variables for incoming parameters if
1493 flag_argument_noalias > 1.
1494 (find_what_p_points_to): Look through default defs of
1497 2006-01-26 Jeff Law <law@redhat.com>
1500 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
1501 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
1502 within the VR_RANGE, use the VR_RANGE as the result, not the
1504 (adjust_range_with_scev): Reject ranges from SCEV which are out of
1505 bounds for the type.
1507 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
1509 * tree-ssa-alias.c (maybe_create_global_var): Change
1510 subvar walking to an assertion that we don't have subvar'd variables.
1512 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
1515 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1516 Use a new variable, inner. PARM_DECLs are always non-weak.
1518 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
1520 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1523 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
1525 * config/mips/mips.md (*clear_upper32): New combiner pattern.
1527 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
1529 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1530 (smax_insn, smin_insn, smax_0, smin_0): New.
1532 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
1535 * config/cris/cris.c (cris_order_for_addsi3): New function.
1536 * config/cris/cris-protos.h: Prototype it.
1537 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1538 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1539 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1540 (split for "op.S1 [rx=rx+i],ry (swapped)")
1541 (split for "op(s|u).S1 [rx=rx+i],ry")
1542 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1543 Apply cris_order_for_addsi3 when generating addsi3 insns.
1545 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1547 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1548 (TREE_BLOCK): Add call to EXPR_CHECK.
1550 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1553 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1554 * tree-pretty-print.c (dump_omp_clause): Extract from ...
1555 (dump_omp_clauses): ... here.
1556 (dump_generic_node): Handle OMP_CLAUSE.
1557 * tree.c (omp_clause_num_ops): New.
1558 (omp_clause_code_name): New.
1559 (tree_code_size): Handle OMP_CLAUSE.
1560 (tree_size): Likewise.
1561 (make_node): Document handling of OMP_CLAUSE.
1562 (tree_node_structure): Handle OMP_CLAUSE.
1563 (omp_clause_check_failed): New.
1564 (omp_clause_range_check_failed): New.
1565 (omp_clause_operand_check_failed): New.
1566 (build_omp_clause): New.
1567 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1568 * tree.h (enum omp_clause_code): Declare.
1569 (OMP_CLAUSE_SUBCODE_CHECK): Define.
1570 (OMP_CLAUSE_RANGE_CHECK): Define.
1571 (OMP_CLAUSE_ELT_CHECK): Define.
1572 (omp_clause_check_failed): Declare.
1573 (omp_clause_operand_check_failed): Declare.
1574 (omp_clause_range_check_failed): Declare.
1575 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1576 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1577 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1578 (OMP_CLAUSE_LASTPRIVATE): Likewise.
1579 (OMP_CLAUSE_IF_EXPR): Likewise.
1580 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1581 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1582 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
1583 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
1584 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
1585 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
1586 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
1587 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
1588 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
1589 (OMP_CLAUSE_CODE): Define.
1590 (OMP_CLAUSE_SET_CODE): Define.
1591 (OMP_CLAUSE_CODE): Define.
1592 (OMP_CLAUSE_OPERAND): Define.
1593 (struct tree_omp_clause): Declare.
1594 (union tree_node): Add field 'omp_clause'.
1595 * treestruct.def (TS_OMP_CLAUSE): Define.
1596 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
1597 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
1598 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
1599 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
1600 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
1601 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
1602 (OMP_CLAUSE): Define.
1603 * print-tree.c (print_node): Handle OMP_CLAUSE.
1604 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
1605 * c-typeck.c: Likewise.
1606 * gimplify.c: Likewise.
1607 * c-omp.c: Likewise.
1608 * tree-nested.c: Likewise.
1609 * tree-inline.c: Likewise.
1610 * c-parser.c: Likewise.
1611 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
1614 2006-01-25 Roger Sayle <roger@eyesopen.com>
1616 PR rtl-optimization/25703
1617 * combine.c (try_combine): Handle zero_extract and strict_low_part
1618 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
1620 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
1622 * global.c: Fix comment typos.
1624 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
1627 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
1628 Use output_addr_const instead of assemble_name.
1630 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
1632 * Makefile.in (sched-vis.o): Update dependencies.
1633 * haifa-sched.c (sched_finish): Clear current_sched_info.
1634 * cfg.c (dump_bb_info): New, split from dump_flow_info.
1635 (dump_flow_info): Call it.
1636 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
1638 * basic-block.h (dump_bb_info): Declare.
1639 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
1640 option, and apply options only for dump files whose TDF_RTL,
1641 TDF_TREE, or TDF_IPA bits match.
1642 * rtl.h: Declare new functions exported from sched-vis.c.
1643 * sched-vis.c: Enable also if scheduling is not used.
1644 (print_value): Print the mode of registers if not inside scheduling.
1645 (print_insn): Make it work outside the scheduler. Beautify the output
1647 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
1649 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1651 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
1652 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
1653 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
1654 depending on the value of CONSTANT_POOL_ADDRESS_P.
1655 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
1657 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
1658 rather than SYMBOL_REF_DECL.
1659 (rtx_constant_pool): Remove const_rtx_sym_htab.
1660 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
1661 (init_varasm_status): Don't initialize const_rtx_sym_htab.
1662 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
1663 Remove handling of const_rtx_sym_htab.
1664 (find_pool_constant): Delete.
1665 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
1666 rather than find_pool_constant.
1667 (get_pool_constant_for_function): Delete.
1668 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
1670 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
1671 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
1672 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
1673 (SYMBOL_REF_CONSTANT): New macro.
1674 (get_pool_constant_for_function): Delete.
1675 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
1676 rather than SYMBOL_REF_DECL.
1677 (i386_pe_mark_dllimport): Likewise.
1678 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
1679 rather than SYMBOL_REF_DECL.
1680 * config/darwin.c (machopic_indirect_data_reference): Likewise.
1681 (machopic_indirect_call_target): Likewise.
1683 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
1685 * flow.c (delete_noop_moves): Add missing EOL to dump message.
1687 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1689 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
1691 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
1693 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
1695 2006-01-24 David Daney <ddaney@avtrex.com>
1698 * configure.ac (enable_tls): New enable option.
1699 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
1700 * configure: Regenerate.
1701 * doc/install.texi (--enable-tls): Document new option.
1702 (--disable-tls): Ditto.
1704 2006-01-24 Richard Henderson <rth@redehat.com>
1706 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
1707 * alias.c (true_dependence): Respect it.
1708 (canon_true_dependence, write_dependence_p): Likewise.
1709 * builtins.c (get_builtin_sync_mem): Set it.
1711 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
1713 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
1716 2006-01-24 DJ Delorie <dj@redhat.com>
1718 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
1719 for storing constants in single-bit bitfields.
1721 2006-01-25 Ben Elliston <bje@au.ibm.com>
1723 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
1725 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
1728 * tree-ssa-pre.c (phi_translate): Return NULL
1729 for AGGREGATE_TYPE's.
1731 2006-01-24 Zack Weinberg <zackw@panix.com>
1733 * genautomata.c (process_state_for_insn_equiv_partition):
1734 Use xcalloc for insn_arcs_array.
1735 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
1736 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
1738 2006-01-24 Richard Henderson <rth@redhat.com>
1740 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
1743 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
1745 PR rtl-optimization/25890
1746 PR rtl-optimization/25905
1747 * combine.c (expand_compound_operation, expand_field_assignment):
1748 Fail if the bitfield's final position is out of bounds.
1750 2006-01-24 Ian Lance Taylor <ian@airs.com>
1753 * cgraphunit.c (cgraph_output_in_order): Don't clear
1754 cgraph_asm_nodes until after asm strings have been output.
1756 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
1758 * fix-header.c (read_scan_file): Add new parameter imultilib when
1759 calling register_include_chains.
1761 2006-01-23 Diego Novillo <dnovillo@redhat.com>
1763 * omp-low.c: Update documentation.
1765 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1766 Daniel Berlin <dberlin@dberlin.org>
1770 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
1771 return from the function.
1773 2006-01-22 Zack Weinberg <zackw@panix.com>
1775 * rtl.def (match_code): Add second argument.
1776 * genpreds.c (write_extract_subexp): New function.
1777 (write_match_code): Add path argument. Use write_extract_subexp.
1778 (write_predicate_expr): Pass path to write_match_code.
1779 (mark_mode_tests): MATCH_CODE applied to a subexpression does
1780 not perform a mode test.
1781 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
1782 a subexpression does not constrain the top-level code set.
1783 * read-rtl.c (read_rtx_variadic): New function.
1784 (read_rtx_1): Use it; allow AND and IOR to be variadic.
1785 * doc/md.texi: Document new notation.
1786 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
1787 (cmpsi_operand): ... here, using new notation.
1789 2006-01-22 Zack Weinberg <zackw@panix.com>
1791 * varray.c: Remove GENERATOR_FILE #ifdefs.
1793 2006-01-22 Zack Weinberg <zackw@panix.com>
1795 * genautomata.c (output_reserved_units_table): Emit nothing if
1796 description->query_units_num is zero. Remove extra blank line.
1797 (output_cpu_unit_reservation_p): Short circuit
1798 if description->query_units_num is zero.
1800 2006-01-22 Zack Weinberg <zackw@panix.com>
1802 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
1803 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
1804 nor any of the random handful of variables that used to be necessary
1805 when this program was linked with rtlanal.o. Prune set of forward
1806 function declarations.
1807 (struct attr_desc): Remove static_p field.
1808 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
1809 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
1810 (attr_string): Do not read the character one past the length of
1812 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
1813 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
1814 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
1815 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
1816 (make_automaton_attrs): New.
1817 (main): Do not call into genautomata. Call local gen_bypass
1818 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
1819 Remove special case for insn_alts.
1820 * genautomata.c: Include gensupport.h; not genattrtab.h nor
1821 varray.h (leftover from previous change). Prune set of forward
1822 function declarations. Remove state_alts fields from all
1823 structures. Remove state_alts_table from struct automaton.
1824 Make everything except main static. Do not maintain num_dfa_decls.
1825 Do not maintain state_alts fields of various structures.
1826 (process_decls): Don't validate condexp for dm_insn_reserv decls.
1827 (add_arc): Remove state_alts argument. All callers updated.
1828 (output_reserved_units_table): Emit #ifdef here...
1829 (output_tables): ...not here. Don't generate state_alts tables.
1830 (expand_automata): Don't generate attributes.
1831 (write_automata): Don't generate state_alts functions.
1832 (main): New function.
1833 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1834 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1835 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1836 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1837 (BYPASS_P_FUNC_NAME, output_state_alts_table)
1838 (output_automata_list_state_alts_code, output_internal_state_alts_func)
1839 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1840 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1842 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1843 * genattrtab.h: Delete file.
1844 * Makefile.in (OBJS-common): Add insn-automata.o.
1845 (insn-automata.o): New rule.
1846 (simple_generated_c): Add insn-automata.c.
1847 (build/genattrtab.o, build/genautomata.o): Update dependencies.
1848 (genprogmd): Add automata.
1849 (build/genattrtab): Needs no extra objects nor libraries.
1850 (build/genautomata): Needs build/vec.o and -lm.
1852 2006-01-22 Zack Weinberg <zackw@panix.com>
1854 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1855 (output_dfa_max_issue_rate, locked_states_num): Delete.
1856 (struct automaton): Add locked_states field.
1857 (output_dead_lock_vect): Save number of locked states in
1858 automaton->locked_states. If it is zero, don't print anything.
1859 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1860 (output_internal_dead_lock_func): Only test the dead_lock_vect
1861 for automata that have locked states.
1862 (output_statistics): Always print the number of locked states for
1863 each automaton. Calculate total number of locked states here.
1864 (write_automata): Don't call output_dfa_max_issue_rate.
1865 * genattrtab.c: Define length_unit_log as a const variable.
1866 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
1867 max_insn_queue_index const.
1868 * final.c (length_unit_log): Declare const.
1869 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1871 2006-01-22 Zack Weinberg <zackw@panix.com>
1873 * genautomata.c: Include vec.h, not varray.h.
1874 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1875 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
1876 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
1877 VEC_* macros operating on appropriately typed vectors, or to
1878 malloced arrays when the size is known in advance. Const-ify
1879 many char* variables and function arguments. No functional changes.
1880 * Makefile.in (build/varray.o): Delete rule.
1881 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1882 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1884 2006-01-22 Zack Weinberg <zackw@panix.com>
1886 * gensupport.c: Define get_insn_name and record_insn_name here.
1887 (read_md_rtx): Call record_insn_name as appropriate.
1888 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1889 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1890 * genpreds.c, genrecog.c: Don't define get_insn_name nor
1892 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1893 (BUILD_VARRAY): Delete.
1894 (genprognormal): Rename genprogmd. Fold in all programs from
1895 genprognoprint; also attrtab.
1896 (build/genattrtab): Just mention genautomata.o and varray.o.
1897 Reorganize a bit, add comments to make the categories clearer.
1899 2006-01-22 Zack Weinberg <zackw@panix.com>
1901 * genconditions.c (condition_table, add_condition): Delete.
1902 (write_conditions): Don't emit n_insn_conditions nor
1903 insn_elision_unavailable. Issue the gcc version #ifdef here,
1904 inside the table, with no #else clause ...
1905 (write_header): ...not here.
1906 (write_writer): New function.
1907 (main): Don't initialize condition_table. Use add_c_test.
1909 * gensupport.c (init_md_reader_args_cb): Handle multiple input
1910 files on the command line.
1911 (maybe_eval_c_test): Don't check insn_elision_unavailable.
1912 Return -1 if there is no entry in the table, don't abort.
1913 (add_c_test, traverse_c_tests): New functions.
1914 * gensupport.h (insn_elision_unavailable, insn_conditions)
1915 (n_insn_conditions): Delete declarations.
1916 (add_c_test, traverse_c_tests): Declare.
1917 * read-rtl.c: Include gensupport.h.
1918 (read_conditions): New function.
1919 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1920 (read_rtx_1): If we get EOF when we were looking for an initial
1921 open paren, return 0. Call read_conditions when appropriate.
1922 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1923 dummy-conditions.o. Eliminate references to insn-conditions.o,
1924 or change them to build/gencondmd.o, as appropriate. Remove
1925 insn-constants.h from $(simple_generated_h) and insn-conditions.c
1926 from $(simple_generated_c). For all files remaining in those
1927 two lists, add insn-conditions.md to the generator command line.
1928 Give insn-constants.h/s-constants their own rules. Add rules
1929 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1930 (build/read-rtl.o): Depend on gensupport.h.
1931 (genprognormal): Include preds.
1932 (genprogearly): Rename genprognoprint; only difference is now that
1933 they don't link with $(BUILD_PRINT).
1934 * dummy-conditions.c: Delete.
1936 2006-01-22 Zack Weinberg <zackw@panix.com>
1938 * genextract.c: Don't include insn-config.h. Do include vec.h.
1939 Declare vectors of int, char, and locstr.
1940 (locstr): New typedef.
1941 (struct extraction): Make all array fields into bare pointers.
1942 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1943 (insn_code_number): Delete.
1944 (accum_extract): New struct.
1945 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1946 (gen_insn): Take insn_code_number as an argument. Use an
1947 accum_extract structure instead of loading data directly into
1948 a struct extraction, and having to know how big it might get.
1949 (walk_rtx): Operate entirely on an accum_extract structure.
1950 (print_path): Avoid unnecessary use of printf.
1951 (print_header): New function, split out of main. Distinguish
1952 more carefully between an unrecognizable insn and an insn that
1953 has the code number of a define_expand.
1954 (main): Pass insn_code_number to gen_insn. Call print_header
1955 only after parsing. Avoid unnecessary use of printf.
1956 * Makefile.in (build/vec.o): New rule.
1957 (build/genextract): Depend on build/vec.o.
1958 (build/genextract.o): Don't depend on insn-config.h.
1960 2006-01-22 Zack Weinberg <zackw@panix.com>
1962 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
1963 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
1964 practical. Eliminate per-generator-program link rules.
1966 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1969 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1970 with a call expr to ...
1971 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1973 2006-01-23 Richard Guenther <rguenther@suse.de>
1975 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
1976 before make_edge with conditional EDGE_TRUE_VALUE.
1978 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
1979 Jan Hubicka <jh@suse.cz>
1980 Richard Guenther <rguenther@suse.de>
1982 PR rtl-optimization/25654
1983 * cfgexpand.c (aggregate_contains_union_type): New function.
1984 (add_alias_set_conflicts): Call it. Make sure to add conflicts
1985 for structure variables that contain a union type.
1987 2006-01-23 Richard Sandiford <richard@codesourcery.com>
1989 * gengtype.c (new_structure): Return the structure.
1990 (create_option): Add an extra "next" argument.
1991 (create_field): New function.
1992 (adjust_field_rtx_def): Use create_option and create_field.
1993 Remove a now-unnecessary call to find_structure.
1994 (adjust_field_tree_def): Likewise.
1995 (note_yacc_type): Remove an unnecessary call to find_structure.
1996 * gengtype.h (new_structure): Return the structure.
1997 (create_option): Add an extra argument.
1998 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
1999 (option): Adjust calls to create_option.
2001 2006-01-22 David Edelsohn <edelsohn@gnu.org>
2003 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2005 2006-01-22 Paul Brook <paul@codesourcery.com>
2006 Peter Barada <peter@the-baradas.com>
2008 * config/m68k/m68k.md: Add Coldfire FPU support.
2009 Define FP mode macro and associated attributes.
2010 Use it for float mode patterns.
2011 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2012 (LIBCALL_VALUE): Use m68k_libcall_value.
2013 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2014 (m68k_function_value): Ditto.
2015 (emit_move_sequence): Ditto.
2016 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2017 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2018 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2019 (MULTILIB_EXCEPTIONS): Ditto.
2020 * config/m68k/m68k.opt: Add mcfv4e.
2021 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2022 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2023 (m68k_output_function_prologue): Save ColdFire FPU registers.
2024 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2025 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2026 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2027 ColdFire FPU registers.
2028 (m68k_libcall_value, m68k_function_value): New functions.
2029 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2030 (LIBCALL_VALUE): Use m68k_libcall_value.
2031 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2032 (MASK_COLDFIRE): Add MASK_CFV4E.
2033 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2034 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2035 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2036 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2037 (GO_IF_LEGITIMATE_ADDRESS): Use it.
2038 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2039 * doc/invoke.tex: Document -mcfv4e on m68k.
2041 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2043 * doc/contribute.texi: Change CVS to SVN and update the corresponding
2046 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
2049 * c-opts.c (c_common_handle_option): Don't include
2050 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2051 * doc/invoke.texi (C++ Dialect Options): Document that
2052 -Wnon-virtual-dtor is no longer included in -Wall.
2054 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
2056 * gcov.c (print_version), gcov-dump.c (print_version),
2057 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2060 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
2062 * df-scan.c (problem_SCAN): Added NULL reset function.
2063 (df_scan_reset_blocks): Added code to call reset block function
2064 (df_bb_refs_delete) Fixed comment.
2065 (df_insn_refs_delete): Made tolerant of deleting non existent info
2066 for dataflow problems that need to be reset.
2067 * df-core.c (df_set_blocks): Ditto.
2068 * df.h (struct df_problem): Added reset_fun.
2069 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2070 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2071 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2072 functions to clear out all references to def-use or use-def chains.
2074 2006-01-21 Ben Elliston <bje@au.ibm.com>
2076 * varasm.c (assemble_real): Initialise data array.
2078 2006-01-20 Paul Brook <paul@codesourcery.com>
2080 Merge from csl-arm-branch.
2081 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2082 * config/arm/arm.md (movdi): Force operands[1] to a register
2083 if we have a non-register source.
2084 (*arm_movdi, *movdf_soft_insn): Require that one of the
2085 operands be a register.
2086 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2087 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2089 2006-01-20 DJ Delorie <dj@redhat.com>
2091 * varasm.c (initialize_constant_valid_p): Allow pointers
2092 initialized from integer constants of lesser precision.
2093 (output_constant): Allow non-int-sized pointer modes to be
2094 initialized from integer constants.
2096 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
2099 * cppdefault.h (struct default_include): Add multilib flag.
2100 * cppdefault.c (cpp_include_defaults): Set it.
2101 * c.opt (-imultilib): New option.
2102 * c-opts.c (imultilib): New.
2103 (c_common_handle_option): Handle -imultilib.
2104 (c_common_post_options): Likewise.
2105 * c-incpath.c (add_standard_paths, register_include_chains):
2107 * c-incpath.h (register_include_chains): Add extra parameter.
2108 * gcc.c (do_spec_1): Generate -imultilib option.
2109 (The Specs Language): Update %I description.
2110 (process_command): Update copyright notice.
2111 * doc/cppopts.texi (-imultilib): Document.
2112 * doc/invoke.texi (-imultilib): Include in option summary.
2113 (%I): Update specs documentation.
2115 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2117 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2119 2006-01-20 Richard Sandiford <richard@codesourcery.com>
2121 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2124 2006-01-20 Richard Guenther <rguenther@suse.de>
2125 Steven Bosscher <stevenb.gcc@gmail.com>
2127 PR rtl-optimization/24626
2128 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2129 EDGE_TRUE_VALUE if in RTL mode.
2132 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2133 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2135 2006-01-20 Dirk Mueller <dmueller@suse.com>
2138 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2139 instead of a special NOP marker.
2140 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2141 NOP marker handling.
2142 * c-common.h (empty_body_warning): Add forward declaration.
2143 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2144 Now uses IS_EMPTY_STMT() instead of special NOP markers.
2146 2006-01-20 Paul Brook <paul@codesourcery.com>
2148 * Makefile.in (lang_checks): Keep going if mkdir fails.
2150 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2152 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2153 be able to clean out basic block when not necessary.
2154 (df_scan_free): Fixed to properly delete information if df is
2155 unused before calling df_finish.
2156 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2157 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2159 (df_bb_refs_delete): New function.
2160 (df_refs_delete): Moved per block code to df_bb_refs_delete.
2161 * df-core.c (df_set_blocks): Added code to properly clean out
2162 unused blocks if they are not part of the blocks to consider.
2163 Added additional null check.
2164 (df_compact_blocks): Added basic block parameter to free_bb_fun to
2165 be able to clean out basic block when not necessary
2166 * df.h (df_free_bb_function): Ditto.
2167 (df_bb_refs_delete): New function.
2168 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2169 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2170 basic block parameter to be able to clean out basic block when not
2172 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2173 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2174 Fixed to properly delete information if df is unused before
2177 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2179 PR rtl-optimization/25799
2180 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2181 Corrected confluence operator to remove bits from op2 before oring
2182 with op1 rather than removing bits from op1.
2183 (df_ru_transfer_function): Corrected test on wrong bitmap which
2184 caused infinite loop. Both of these problems were introduced in
2185 the dataflow rewrite.
2187 2006-01-19 DJ Delorie <dj@redhat.com>
2189 * reload1.c (find_reload_regs): Note the details of reload
2190 failures in the dump file.
2191 (spill_failure): Likewise.
2193 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2195 * loop-iv.c: Include df.h and hashtab.h.
2196 (enum iv_grd_result): New enum.
2197 (DF_REF_IV, DF_REF_IV_SET): New macros.
2198 (struct biv_entry): New.
2199 (df, bivs): New global variables.
2200 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2201 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2203 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2204 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2205 analyzed_for_bivness_p, record_biv): New functions.
2206 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2207 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2208 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2210 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2212 (iv_number_of_iterations): Use new interface to iv analysis.
2213 * loop-unroll.c: Do not include varray.h.
2214 (analyze_iv_to_split_insn): Use new interface to iv
2216 * loop-unswitch.c (may_unswitch_on): Ditto.
2217 * df.c (df_bitmaps_free): Only work for bbs for that structures are
2219 (df_bb_modify): Realloc tables to the new index.
2220 (df_find_use): New function.
2221 * df.h (df_find_use): Declare.
2222 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2224 * cfgloop.h (struct rtx_iv): Remove analysed field.
2225 (iv_get_reaching_def): Removed.
2226 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2227 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2228 (loop-iv.o): Add df.h and hashtab.h dependency.
2229 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2231 2006-01-20 Alan Modra <amodra@bigpond.net.au>
2234 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2236 (__floatundisf, __floatundidf): Likewise.
2237 * libgcc2.h (IS_IBM_EXTENDED): Define.
2239 2006-01-19 DJ Delorie <dj@redhat.com>
2241 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2243 2006-01-19 Paul Brook <paul@codesourcery.com>
2245 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2246 as nothrow when unwinding tables are disabled.
2248 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2251 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2252 of bit-field" when in system header.
2254 2006-01-19 DJ Delorie <dj@redhat.com>
2256 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2257 the 16 bit shift limit of the m16c.
2259 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
2262 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2263 * config/i386/i386.c (output_set_got): Output the label if we have one
2264 for the TARGET_DEEP_BRANCH_PREDICTION case.
2266 2006-01-19 Jan Hubicka <jh@suse.cz>
2267 H.J. Lu <hongjiu.lu@intel.com>
2268 Evandro Menezes <evandro.menezes@amd.com>
2270 * invoke.texi (generic): Document
2272 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2273 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2274 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2275 (x86_use_incdec, x86_pad_returns): New variables
2276 (TARGET_CPU_DEFAULT_generic): New constant
2277 (TARGET_CPU_DEFAULT_NAMES): Add generic.
2278 (enum processor_type): Add generic32 and generic64.
2279 * i386.md (cpu attribute): Add generic32/generic64
2280 (movhi splitter): Behave sanely when both partial_reg_dependency and
2281 partial_reg_stall are set.
2282 (K8 splitters): Enable for generic as well.
2283 * predicates.md (incdec_operand): Use TARGET_INCDEC
2284 (aligned_operand): Avoid memory mismatch stalls.
2285 * athlon.md: Enable for generic64, new patterns for 128bit moves.
2286 * ppro.md: Enable for generic32
2287 * i386.c (generic64_cost, generic32_cost): New.
2288 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2289 (x86_use_leave): Enable for generic64. (x86_use_sahf,
2290 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
2291 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2292 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2293 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2294 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2295 x86_accumulate_outgoing_args, x86_prologue_using_move,
2296 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2297 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2299 (x86_use_incdec, x86_pad_returns): New.
2300 (override_options): Add generic32 and generic64, translate "generic"
2301 to generic32/generic64 and "i686" to "generic32", refuse
2302 "generic32"/"generic64" as arch target.
2303 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2304 (ix86_reorg): Honor PAD_RETURNS.
2306 2006-01-19 Diego Novillo <dnovillo@redhat.com>
2308 * tree-pretty-print.c (dump_generic_node): Handle
2309 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2310 * cgraph.c (cgraph_expand_queue): Rename from
2311 cgraph_analyze_queue. Update all users.
2312 * cgraphunit.c (cgraph_assemble_pending_functions): Process
2313 cgraph_expand_queue.
2314 (cgraph_expand_all_functions): Likewise.
2315 (cgraph_finalize_pending_functions): Remove. Update callers.
2317 * tree.h (OMP_DIRECTIVE_P): Define.
2318 (OMP_PARALLEL_FN): Define.
2319 (OMP_PARALLEL_DATA_ARG): Define.
2320 (OMP_SECTIONS_SECTIONS): Define.
2321 * tree-pass.h (pass_expand_omp): Declare.
2322 * omp-low.c (struct omp_region): Declare.
2323 (struct omp_context): Remove fields 'parallel_type',
2324 'parallel_start_ix' and 'parallel_start_additional_args'.
2326 (struct omp_for_data): Rename from struct expand_omp_for_data.
2327 (omp_regions): New static variable.
2328 (root_omp_region): New static variable.
2329 (find_omp_clause): Make static.
2330 (is_in_combined_parallel_ctx): Remove.
2331 (is_combined_parallel): New.
2332 (extract_omp_for_data): Move earlier in the file.
2333 (workshare_safe_to_combine_p): New.
2334 (get_ws_args_for): New.
2335 (determine_parallel_type): Move earlier in the file.
2336 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2338 (omp_copy_decl): Likewise.
2339 (create_omp_child_function): Likewise.
2340 (lookup_omp_region): New.
2341 (dump_omp_region): New.
2342 (debug_omp_region): New.
2343 (debug_all_omp_regions): New.
2344 (new_omp_region): New.
2345 (scan_omp_parallel): If parallel_nesting_level > 1, the
2346 directive is nested within another parallel directive.
2347 Set OMP_PARALLEL_FN.
2348 (scan_omp_for): Do not try to handle combined parallel+for
2350 Remove FIXME comment.
2351 (scan_omp_nested): Remove.
2352 (scan_omp_1): Do not call scan_omp_nested when
2353 parallel_nesting_level is > 1.
2354 Do not change the DECL_CONTEXT of local variables found.
2355 (lookup_decl_in_outer_ctx): New.
2356 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2357 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2358 (lower_reduction_clauses): Rename from expand_reduction_clauses.
2359 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2360 If CTX is nested, lookup VAR in the outer context when
2361 building copy assignment.
2362 (lower_send_clauses): Rename from expand_send_clauses.
2363 If CTX is nested, lookup VAR in the outer context when
2364 building copy assignments.
2365 (lower_send_shared_vars): Rename from expand_send_shared_vars.
2366 If CTX is nested, lookup VAR in the outer context when
2367 building copy assignments.
2368 (expand_parallel_call): Rename from build_parallel_call.
2369 Handle combined parallel+workshare cases.
2370 Re-implement to emit code into the CFG.
2372 (expand_omp_parallel): Re-implement to emit code into the CFG.
2373 Call move_sese_region_to_fn to outline the sub-graph
2374 containing the parallel region.
2375 (expand_omp_for_1): Remove.
2376 (expand_omp_for_generic): Re-implement to emit code into the
2378 (expand_omp_for_static_nochunk): Likewise.
2379 (expand_omp_for_static_chunk): Likewise.
2380 (expand_omp_for): Likewise.
2381 (expand_omp_sections): Likewise.
2382 (remove_exit_barriers): New.
2383 (expand_omp_synch): New.
2385 (build_omp_regions_1): New.
2386 (build_omp_regions): New.
2387 (execute_expand_omp): New.
2388 (gate_expand_omp): New.
2389 (pass_expand_omp): Define.
2390 (lower_omp_sections): Rename from expand_omp_sections.
2391 Set OMP_SECTIONS_SECTIONS.
2392 (lower_omp_single_simple): Rename from expand_omp_single_simple.
2393 (lower_omp_single_copy): Rename from expand_omp_single_copy.
2394 (lower_omp_single): Rename from expand_omp_simple.
2395 (lower_omp_master): Rename from expand_omp_master.
2396 (lower_omp_ordered): Rename from expand_omp_ordered.
2397 (lower_omp_critical): Rename from expand_omp_critical.
2398 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
2399 (lower_omp_for): Re-implement.
2400 (lower_omp_parallel): Re-implement.
2401 (lower_regimplify): Rename from expand_regimplify.
2402 (lower_omp_1): Rename from expand_omp_1.
2403 If there are syntax errors in the program, replace every
2404 OpenMP directive with NOP.
2405 Call lower_omp_* instead of expand_omp_*.
2406 (lower_omp): Rename from expand_omp.
2408 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
2409 * tree-gimple.h (enum omp_parallel_type): Remove.
2410 (gimple_boolify): Declare extern.
2411 (find_omp_clause, determine_parallel_type): Remove.
2413 * gimple-low.c (lower_omp_directive): New.
2414 (lower_stmt): Call it.
2415 (record_vars_into): Move from ...
2416 (record_vars): ... here.
2417 Call record_vars_into with current_function_decl.
2419 * gimplify.c (struct gimplify_ctx): Remove fields
2420 combined_pre_p and combined_ctxp. Update users.
2421 (get_formal_tmp_var): Add documentation.
2422 (gimple_boolify): Make extern.
2423 (gimplify_expr_in_ctx): Remove. Update callers.
2424 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
2425 will always be a BIND_EXPR.
2426 (gimplify_expr): Handle OMP_RETURN_EXPR.
2427 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
2428 (OMP_PARALLEL): Add 3 operands.
2429 (OMP_SECTIONS): Add 1 operand.
2430 (OMP_RETURN_EXPR): Define.
2432 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
2433 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
2434 * tree-iterator.c (alloc_stmt_list): Assert that we are not
2435 creating a circular free list.
2436 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
2438 * tree-flow.h (move_sese_region_to_fn): Declare.
2439 (record_vars_into): Declare.
2440 * tree-cfg.c (make_omp_sections_edges): New.
2441 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
2442 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
2443 OMP_SECTIONS and OMP_SECTION.
2444 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
2445 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
2446 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
2447 (gather_blocks_in_sese_region): New.
2448 (struct move_stmt_d): Declare.
2450 (move_block_to_fn): New.
2451 (move_sese_region_to_fn): New.
2453 * passes.c (init_optimization_passes): Schedule
2454 pass_expand_omp after pass_init_datastructures.
2456 * tree-ssa-operands.c (get_expr_operands): Handle
2457 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
2458 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
2460 2006-01-19 Jeff Law <law@redhat.com>
2462 * tree-vrp.c (extract_range_from_assert): Refine the result range
2463 if the variable referenced by the ASSERT_EXPR has a range and
2464 either the tentative result range or the previous range is a
2467 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2469 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2471 2006-01-19 Jan Hubicka <jh@suse.cz>
2473 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
2475 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
2477 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
2478 (expand_compound_operation, expand_field_assignment): Fail if the
2479 bit lengths of an extract operation are out of range.
2480 (make_extraction): Compute wanted_inner_mode based on the position
2481 and length of the extraction. Make it extraction_mode for non-constant
2482 positions, and do not modify offset in that case. When generating a
2483 new MEM, use a mode that can hold the extraction while keeping correct
2484 alignment. Remove code that supported MEMs wrapped by USEs.
2485 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
2487 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
2489 * config/s390/s390.md ("Y", "y"): New mode attribute.
2490 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2491 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
2492 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
2493 "*addsi3_imm_cc", "*addsi3_carry1_cc",
2494 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
2495 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
2496 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
2497 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
2498 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
2499 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
2500 "addsi3", "subsi3"): Insn patterns removed.
2501 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
2502 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
2503 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
2504 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
2505 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
2506 "*sub<mode>3_cconly2"): New insn patterns.
2507 ("addsi3", "subsi3"): New expanders.
2509 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
2511 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
2512 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
2513 existing STMT_VINFO_VECTYPE if available.
2514 (vect_mark_relevant): Add special handling for stmts that are
2515 marked as STMT_VINFO_IN_PATTERN_P.
2516 (vect_analyze_loop): Call vect_pattern_recog.
2517 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2518 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2520 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2521 (vect_recog_func_ptr): New function-pointer type.
2522 * tree-vect-patterns.c: New file.
2523 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2524 (vect_recog_dot_prod_pattern, vect_pattern_recog):
2525 (vect_pattern_recog_1): New functions.
2526 (vect_pattern_recog_funcs): New array of function pointers.
2528 * tree-vectorizer.h (ternary_op): New enum value.
2529 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2530 declaration. Revised documentation. Removed redundant dump prints.
2531 Removed redundant argument. Added support for reduction patterns.
2532 (vectorizable_reduction): Added support for reduction patterns.
2533 (vect_transform_stmt): Added support for patterns.
2535 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2536 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2537 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2538 (expand_widen_pattern_expr): New function.
2539 (init_optabs): Initialize new optabs udot_prod_optab,
2541 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2542 (sdot_prod_optab, udot_prod_optab): Define new optabs.
2543 (expand_widen_pattern_expr): New function declaration.
2544 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2546 * tree-inline.c (estimate_num_insns_1): Added cases for new
2547 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2548 * tree-pretty-print.c (dump_generic_node): Likewise.
2549 (op_prio): Likewise.
2550 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2551 * tree-ssa-operands.c (get_expr_operands): Added case for
2553 * tree-vect-patterns.c (widened_name_p): New function.
2554 (vect_recog_dot_prod_pattern): Added function implementation.
2555 * tree-vect-transform.c (get_initial_def_for_reduction): Added
2556 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2557 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2558 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2560 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2561 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2562 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2563 (init_optabs): Initialize new optabs widen_ssum_optab,
2565 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2566 (widen_ssum_optab, widen_usum_optab): Define new optabs.
2567 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2568 use instead of type of def.
2569 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2570 function implementation.
2571 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2572 widen_ssumv8hi): New.
2574 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2577 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2580 * c-decl.c (add_flexible_array_elts_to_size): New function.
2581 (finish_decl): Use it.
2583 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
2585 * diagnostic.h: Include options.h.
2586 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
2587 dependancies for diagnostic.h.
2588 * Makefile.in (DIAGNOSTIC_H): Add options.h.
2590 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
2592 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
2593 (ssa_ro_call_cache_valid): Ditto.
2594 * tree-ssa-alias.c (sort_tags_by_id): New function.
2595 (init_transitive_clobber_worklist): Ditto.
2596 (add_to_worklist): Ditto.
2597 (mark_aliases_call_clobbered): Ditto.
2598 (compute_tag_properties): Ditto.
2599 (set_initial_properties): Ditto.
2600 (compute_call_clobbered): Ditto.
2601 (compute_may_aliases): Call compute_call_clobbered and grouping.
2602 (compute_flow_sensitive_aliasing): Remove clobbering related code.
2603 (compute_flow_insensitive_aliasing): Grouping now happens in our
2605 (setup_pointers_and_addressables): Remove clobbering related code.
2606 (add_may_alias): Ditto.
2607 (replace_may_alias): Ditto.
2608 (get_nmt_for): Ditto.
2609 (create_global_var):
2610 (is_escape_site): Return an escape_type enumeration.
2611 * tree-flow-inline.h (is_call_clobbered): Global var does not
2612 imply call clobbered.
2613 (mark_call_clobbered): Take a reason for marking this. Remove
2614 marking of globalness, and cache invalidation.
2615 (clear_call_clobbered): Remove cache invalidation code.
2616 * tree-dfa.c (dump_variable): If details is on, dump the reason
2618 * tree-outof-ssa.c (create_temp): Copy escape mask from original
2620 * tree-flow.h (struct ptr_info_def): Add escape mask member.
2621 (struct var_ann_d): Ditto.
2622 (enum escape_type): New.
2623 (mark_call_clobbered): Adjust prototype.
2624 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
2625 are never call clobbered.
2626 Record reasons for escaping.
2627 * tree-ssa-structalias.h (is_escape_site): Update prototype.
2628 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
2629 (ssa_ro_call_cache_valid): Ditto.
2630 (clobbered_v_may_defs): Ditto.
2631 (clobbered_vuses): Ditto.
2632 (ro_call_vuses): Ditto.
2633 (clobber_stats): New.
2634 (init_ssa_operands): Zero out clobber stats.
2635 (fini_ssa_operands): Print out clobber stats.
2636 (get_call_expr_operands): Pass callee fndecl to
2638 (add_call_clobber_ops): Remove use of cache.
2639 Add use of PURE_CONST information.
2640 (add_call_read_ops): Remove use of cache.
2641 Add use of static not_read information.
2643 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
2645 Introduce TLS descriptors for i386 and x86_64.
2646 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
2647 (TARGET_ANY_GNU_TLS): New macro.
2648 (enum tls_dialect): Added TLS_DIALECT_GNU2.
2649 (struct machine_function): Add tls_descriptor_call_expanded_p.
2650 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
2651 (ix86_current_function_calls_tls_descriptor): Likewise.
2652 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
2653 (override_options): Introduce gnu2 tls dialect.
2654 (ix86_frame_pointer_required): Functions containing TLSCALLs are
2656 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
2658 (legitimize_tls_address): Adjust logic for GNU2 TLS.
2659 (ix86_init_machine_status): Initialize new field.
2660 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
2661 (ix86_tls_module_base): New.
2662 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
2663 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
2664 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
2665 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
2666 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
2667 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
2668 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
2669 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
2670 * config/i386/predicates.md (tls_modbase_operand): New.
2671 (tp_or_register_operand): New.
2673 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
2675 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
2676 (look_for_address_of): Ditto.
2677 (ipa_init): Walk the function decls.
2678 (static_execute): Don't set readonly on FUNCTION_DECL's.
2680 2006-01-18 Roger Sayle <roger@eyesopen.com>
2682 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
2683 for shifts where the source and destination registers are different.
2685 2006-01-18 Paul Brook <paul@codesourcery.com>
2687 Merge from csl-arm-branch.
2688 2005-03-14 Julian Brown <julian@codesourcery.com>
2689 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
2690 (aeabi_llsl): Likewise.
2691 (ashrdi3): Likewise.
2692 (aeabi_lasr): Likewise.
2693 (lshrdi3): Likewise.
2694 (aeabi_llsr): Likewise.
2695 2005-03-10 Julian Brown <julian@codesourcery.com>
2696 * config.gcc: Disable shared libgcc for SymbianOS.
2697 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
2699 2006-01-18 DJ Delorie <dj@redhat.com>
2701 * c-pragma.c (handle_pragma_diagnostic): New.
2702 (init_pragma): Register it.
2703 * doc/extend.texi: Document it.
2705 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
2706 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
2707 (diagnostic_context): Add classify_diagnostic[].
2708 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
2709 as errors if they're overridden to DK_WARNING.
2710 (diagnostic_initialize): Initialize classify_diagnostic[].
2711 (diagnostic_set_kind_override): New.
2712 (diagnostic_report_diagnostic): Check for kind changes.
2713 * opts.c (common_handle_option): Take lang_mask. Update callers.
2715 * common.opt (Werror=): New.
2716 * doc/invoke.texi: Document -Werror=*
2718 2006-01-18 Jeff Law <law@redhat.com>
2720 * tree-vrp.c (test_for_singularity): Correct test for new
2721 min limit. Use operand_equal_p rather than pointer equality
2722 for testing if new min/max values are equal.
2724 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
2725 using range information until after propagation and folding.
2727 2006-01-18 Richard Henderson <rth@redhat.com>
2728 Aldy Hernandez <aldyh@redhat.com>
2729 Jakub Jelinek <jakub@redhat.com>
2730 Diego Novillo <dnovillo@redhat.com>
2732 * omp-low.c: New file.
2733 * c-omp.c: New file.
2735 2006-01-18 Richard Henderson <rth@redhat.com>
2736 Jakub Jelinek <jakub@redhat.com>
2737 Diego Novillo <dnovillo@redhat.com>
2739 * doc/invoke.texi: Document -fopenmp.
2740 * tree-dump.h (debug_function): Declare.
2741 * hooks.c (hook_bool_tree_bool_false): New function.
2742 (hook_tree_tree_null): Remove.
2743 (hook_tree_tree_tree_null): New.
2744 * hooks.h: Update to match.
2745 * tree-pretty-print.c (debug_tree_chain): New.
2746 (print_generic_expr): Handle TDF_CHAIN.
2747 (dump_generic_node): Handle BLOCK.
2748 Do not abort with incomplete SWITCH_EXPRs.
2749 Do not dump body of an OpenMP directive if TDF_SLIM is given.
2750 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
2751 print space after directive name.
2752 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
2753 Handle OMP_MASTER and OMP_ORDERED.
2754 Handle printing of OMP_BODY just in one place, goto
2755 dump_omp_body in the rest of OMP_* nodes that have
2757 Don't handle clause nodes here. Update omp statements to
2758 use dump_omp_clauses.
2759 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
2760 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
2761 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
2762 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
2763 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
2764 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
2765 Adjust output for GOMP_PARALLEL.
2766 (dump_omp_clauses): New.
2767 (print_declaration): Dump DECL_VALUE_EXPR.
2768 (op_symbol_1): Split out of op_symbol.
2769 (dumping_stmts): Remove. Update all users.
2770 * cgraph.c (cgraph_analyze_queue): New.
2771 (cgraph_add_new_function): New.
2772 * cgraph.h (cgraph_analyze_queue): Declare.
2773 (cgraph_add_new_function): Declare.
2774 (cgraph_lower_function): Remove.
2775 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
2776 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
2777 and TYPE_P nodes in its default clause.
2778 (empty_body_p): New.
2779 (tree_range_check_failed): New.
2781 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
2782 OMP_CLAUSE_REDUCTION_MERGE,
2783 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
2784 OMP_CLAUSE_PRIVATE_DEBUG,
2785 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
2786 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
2787 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
2788 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
2789 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
2790 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
2791 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
2792 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
2793 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
2794 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
2795 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
2796 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
2797 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
2798 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
2799 (TREE_RANGE_CHECK): New.
2800 (empty_body_p): Declare.
2801 (enum omp_clause_default_kind): New.
2802 (build_string_literal): Declare.
2803 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
2804 (build5_stat, build5): Declare.
2805 * tree-pass.h (TDF_CHAIN): Define.
2806 * tree-pass.h (PROP_gimple_lomp): Define.
2807 (pass_lower_omp): Declare.
2808 * diagnostic.h (debug_tree_chain): Declare.
2809 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
2811 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
2812 * builtins.c (build_string_literal): Make extern.
2813 * gcc.c (include_spec_function): New.
2814 (static_spec_functions): Add it.
2815 (main): Move load of libgomp.spec ...
2816 (LINK_COMMAND_SPEC): ... here.
2817 (link_gomp_spec): New.
2818 (static_specs): Include it.
2819 (LINK_COMMAND_SPEC): Add link_gomp.
2820 (GOMP_SELF_SPECS): New.
2821 (driver_self_specs): Include it.
2822 (switch_matches): Don't mark inline.
2823 (main): Load libgomp.spec.
2824 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
2825 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
2826 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
2827 * tree-gimple.h (enum omp_parallel): Declare.
2828 (determine_parallel_type): Declare.
2829 (omp_firstprivatize_variable): Declare.
2830 (omp_reduction_init): Declare.
2831 (diagnose_omp_structured_block_errors): Declare.
2832 (struct walk_stmt_info): Add want_return_expr.
2833 (struct walk_stmt_info): Add want_bind_expr, want_locations.
2834 (find_omp_clause): Declare.
2835 (insert_field_into_struct): Declare.
2836 (struct walk_stmt_info): Move from tree-nested.c
2837 (walk_stmts): Declare.
2838 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2840 * cgraphunit.c (cgraph_lower_function): Make static.
2841 (cgraph_finalize_pending_functions): New.
2842 (cgraph_finalize_function): Call it.
2843 (cgraph_finalize_compilation_unit): Likewise.
2844 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2845 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2846 (BT_FN_UINT_UINT): New.
2847 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2848 DEF_FUNCTION_TYPE_VAR_4): Document.
2849 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2850 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2851 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2852 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2853 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2854 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2855 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2856 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2857 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2858 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2859 into separate files.
2860 (DEF_GOMP_BUILTIN): New.
2861 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2862 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2863 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2864 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2865 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2866 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2867 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2868 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2869 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2870 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2871 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2872 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2873 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2874 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2875 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2876 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2877 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2878 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2879 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2880 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2881 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2882 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2883 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2884 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2885 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2886 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2887 * sync-builtins.def: New file, moved from builtins.def.
2888 * omp-builtins.def: New file, moved from builtins.def.
2889 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2890 * gimple-low.c (lower_function_body): Clear data.
2891 (lower_stmt): Do not handle COMPOUND_EXPR.
2892 Remove call to print_node_brief.
2893 * c-tree.h (c_finish_omp_clauses): New prototype.
2894 (C_DECL_THREADPRIVATE_P): Define.
2895 (lookup_name_no_remap, c_omp_remap_private): Remove
2896 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2897 (check_for_loop_decls): Update decl.
2898 (lookup_name_no_remap, c_omp_remap_private): Declare.
2899 (build_indirect_ref, build_modify_expr, pushdecl,
2900 pushdecl_top_level): Move to c-common.h.
2901 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2902 before the switch, but just in the 2 places that need it.
2903 * c-decl.c (diagnose_mismatched_decls): Do not check for
2904 mismatched thread-local attributes when OLDDECL is marked
2905 threadprivate and NEWDECL has no thread-local attributes.
2906 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2907 (c_gimple_diagnostics_recursively): Rename from
2908 c_warn_unused_result_recursively. Invoke
2909 diagnose_omp_structured_block_errors.
2910 (check_for_loop_decls): Return a singular decl found.
2911 * langhooks.c (lhd_omp_predetermined_sharing): Return
2912 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2913 (lhd_omp_firstprivatize_type_sizes): New.
2914 (lhd_omp_assignment): New.
2915 (lhd_omp_predetermined_sharing): New.
2916 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2917 (struct lang_hooks_for_types): Add
2918 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2919 omp_predetermined_sharing, omp_disregard_value_expr,
2920 omp_private_debug_clause, omp_clause_default_ctor,
2921 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2922 (c_finish_omp_clauses): New.
2923 (c_finish_bc_stmt): Diagnose break within omp for.
2924 (c_begin_omp_parallel, c_finish_omp_parallel): New.
2925 (build_unary_op): Return error_mark after reporting
2927 (build_modify_expr): Likewise.
2928 * gimplify.c: Include optabs.h and pointer-set.h.
2929 (enum gimplify_omp_var_data): Declare.
2930 (struct gimplify_omp_ctx): Declare.
2931 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2933 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2934 (push_gimplify_context, pop_gimplify_context): Allow nesting.
2935 (splay_tree_compare_decl_uid): New.
2936 (new_omp_context): New.
2937 (delete_omp_context): New.
2938 (gimple_add_tmp_var): Call omp_add_variable.
2939 (gimplify_bind_expr): Likewise.
2940 (gimplify_var_or_parm_decl): If omp_notice_variable returned
2941 true, disregard DECL_VALUE_EXPR on the decl if any.
2942 (gimplify_expr_in_ctx): New.
2943 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2944 omp_add_variable, omp_notice_variable, omp_is_private
2945 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2946 gimplify_adjust_omp_clauses, gimplify_omp_parallel
2947 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2948 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2949 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2950 gimplify_omp_atomic): New.
2951 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2952 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2953 OMP_CRITICAL and OMP_ATOMIC.
2954 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2955 * c-pragma.h (enum pragma_kind): Add
2956 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2957 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2958 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2959 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2960 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
2961 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
2962 PRAGMA_OMP_THREADPRIVATE.
2963 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2964 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2965 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
2966 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
2967 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
2968 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
2969 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
2970 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
2971 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
2972 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
2973 * tree-ssa-dce.c (find_control_dependence): Do not assume that
2974 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
2975 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
2977 (struct nesting_info): Add field_map,
2978 suppress_expansion, debug_var_chain.
2979 (create_nesting_tree): Initialize them.
2980 (lookup_field_for_decl): Use field_map.
2981 (get_nonlocal_debug_decl, get_local_debug_decl): New.
2982 (convert_local_omp_clauses): New.
2983 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
2984 (walk_body): Split out of walk_function.
2985 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
2986 (convert_nonlocal_reference): Handle omp statements.
2987 (convert_local_reference): Likewise.
2988 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
2989 (unnest_nesting_tree): New.
2990 (lower_nested_functions): Call it.
2991 (insert_field_into_struct): Make extern.
2992 (struct walk_stmt_info): Move to tree-gimple.h.
2993 (walk_stmts): Make extern.
2994 * omp-builtins.def: New file.
2995 * tree-iterator.c (expr_only): Clarify comment.
2996 * c-common.h (pushdecl_top_level, pushdecl,
2997 build_modify_expr, build_indirect_ref,
2998 c_finish_omp_master, c_finish_omp_critical,
2999 c_finish_omp_ordered, c_finish_omp_barrier,
3000 c_finish_omp_atomic, c_finish_omp_flush,
3001 c_finish_omp_for, c_split_parallel_clauses,
3002 omp_clause_default_kind, c_omp_sharing_predetermined,
3003 c_omp_remap_decl): Declare.
3004 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3005 (OBJS-common): Add omp-low.o.
3006 (c-omp.o, omp-low.o): Add.
3007 (gimplify.o): Add dependency on $(OPTABS_H).
3008 (GTFILES): Add omp-low.c.
3009 (gt-stringpool.h): Add.
3010 * tree-cfg.c (set_bb_for_stmt): Do not update the
3011 block-to-labels map if we are currently expanding to RTL.
3012 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3014 Handle IDENTIFIER_NODE.
3015 (tree_verify_flow_info): Do not ICE when emitting error
3016 messages about invalid labels.
3017 (dump_function_to_file): Reset CFUN before emitting the body
3019 (debug_function): New.
3020 * passes.c (init_optimization_passes): Schedule
3022 * langhooks-def.h (lhd_omp_predetermined_sharing,
3023 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3025 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3026 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3027 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3028 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3029 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3030 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3031 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3032 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3033 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3034 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3035 (LANG_HOOK_DECLS): Use them.
3037 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3038 Richard Henderson <rth@redhat.com>
3039 Jakub Jelinek <jakub@redhat.com>
3040 Diego Novillo <dnovillo@redhat.com>
3042 * c-parser.c (pragma_omp_clause): Define.
3043 (c_parser_declaration_or_fndef): Document OpenMP syntax.
3044 (c_parser_compound_statement): Likewise.
3045 (c_parser_statement): Likewise.
3046 (c_parser_pragma): Handle omp pragmas.
3047 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3048 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3049 (c_parser_omp_clause_name, check_no_duplicate_clause,
3050 c_parser_omp_variable_list,
3051 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3052 c_parser_omp_clause_copyprivate,
3053 c_parser_omp_clause_default,
3054 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3055 c_parser_omp_clause_lastprivate,
3056 c_parser_omp_clause_nowait,
3057 c_parser_omp_clause_num_threads,
3058 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3059 c_parser_omp_clause_reduction,
3060 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3061 c_parser_omp_all_clauses, c_parser_omp_structured_block,
3062 c_parser_omp_atomic, c_parser_omp_barrier,
3063 c_parser_omp_critical, c_parser_omp_flush,
3064 c_parser_omp_for_loop, c_parser_omp_for,
3065 c_parser_omp_master, c_parser_omp_ordered,
3066 c_parser_omp_sections_scope, c_parser_omp_sections,
3067 c_parser_omp_parallel, c_parser_omp_single,
3068 c_parser_omp_construct, c_parser_omp_threadprivate): New.
3069 * c-pragma.c (init_pragma): Do omp pragma registration here.
3070 * c.opt (fopenmp): New flag.
3072 2006-01-18 Eric Christopher <echristo@apple.com>
3074 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3075 * config/darwin.h (GOMP_SELF_SPECS): Define.
3077 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3079 * rtl.h: Remove the prototype for reg_alloc.
3081 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3084 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3085 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3086 sjlj and dwarf2 exception handling.
3087 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3088 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3089 * pa/pa.c (function_value): Treat complex and vector types as
3091 (function_arg): Likewise. Only pass scalar floats in the floating
3092 point argument registers.
3093 * pa/t-slibgcc-dwarf-ver: New file.
3094 * pa/t-slibgcc-sjlj-ver: New file.
3095 * pa/t-slibgcc-elf-ver: Delete file.
3097 2006-01-19 Alan Modra <amodra@bigpond.net.au>
3099 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3100 unlikely_test_section_p test.
3102 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3104 * mode-switching.c (optimize_mode_switching): Make it static.
3105 * basic-block.h: Remove the prototype for
3106 optimize_mode_switching.
3108 * modulo-sched.c (sms_schedule): Make it static.
3109 * rtl.h: Remove the prototype for sms_schedule.
3111 * postreload-gcse.c (gcse_after_reload_main): Make it static.
3112 * rtl.h: Remove the prototype for gcse_after_reload_main.
3114 * reg-stack.c (reg_to_stack): Make it static.
3115 * rtl.h: Remove the prototype for reg_to_stack.
3117 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3119 * rtl.h: Remove the prototypes for regrename_optimize and
3120 copyprop_hardreg_forward.
3122 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
3124 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3125 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
3126 Test against the appropriate null constant for the mode.
3127 If 'fixup_overlap' is true, swap the operands if they overlap.
3128 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3129 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3130 alpha_split_tmode_pair and adjust for above change.
3131 * config/alpha/alpha.md (movtf_internal): Adjust call to
3132 alpha_split_tfmode_pair and rely on it to swap the operands.
3133 (movti_internal): New insn and post-reload splitter.
3134 (movti): New expander.
3136 2006-01-18 Philippe De Muyter <phdm@macqel.be>
3138 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3141 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3143 * rtlanal.c (global_reg_mentioned_p_1,
3144 global_reg_mentioned_p): Remove.
3145 * rtl.h: Remove the prototype for global_reg_mentioned_p.
3147 * flow.c (initialize_uninitialized_subregs): Make it static.
3148 * rtl.h: Remove the prototype for
3149 initialize_uninitialized_subregs.
3151 * function.c (instantiate_virtual_regs): Make it static.
3152 * function.h: Remove the prototype for
3153 instantiate_virtual_regs.
3155 * regmove.c (regmove_optimize, combine_stack_adjustments):
3157 * rtl.h: Remove the prototypes for regmove_optimize and
3158 combine_stack_adjustments.
3160 2006-01-17 Roger Sayle <roger@eyesopen.com>
3162 * config/i386/i386.c (COSTS_N_BYTES): New macro.
3163 (size_cost): Encode costs in bytes so that a reg-reg addition is
3164 equivalent to COSTS_N_INSNS(1).
3165 (override_options): Use the size_cost.branch_cost as the default
3166 ix86_branch_cost when optimizing for size.
3168 2006-01-18 Ben Elliston <bje@au.ibm.com>
3170 * Makefile.in (D32PBIT_FUNCS): New.
3171 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3172 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3173 D64PBIT_FUNCS and D128PBIT_FUNCS.
3174 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3175 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3177 (decnumber_dep): Define.
3178 * doc/libgcc.texi (Decimal float library routines): New node.
3179 * config/dfp-bit.h, config/dfp-bit.c: New files.
3181 2006-01-18 Ben Elliston <bje@au.ibm.com>
3183 * expr.c (emit_move_change_mode): Always adjust addresses, not
3184 just during reload. Copy replacements only during reload.
3185 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3186 emit_move_via_integer.
3188 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
3190 * Makefile.in (check-%, check-consistency): Use $${srcdir}
3191 instead of $(srcdir) and ${srcdir}.
3193 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
3197 * arm.h (struct machine_function): Add pic_reg.
3198 * arm.c (arm_pic_register): Make unsigned.
3199 (arm_override_options): Only set arm_pic_register if
3200 TARGET_SINGLE_PIC_BASE.
3201 (use_return_insn): Only test for a pic register if it is fixed.
3202 (arm_compute_save_reg0_reg12_mask): Likewise.
3203 (thumb_compute_save_reg_mask): Likewise.
3204 (legitimate_pic_operand): Factor out some known invariants.
3205 (legitimize_pic_address): If we don't have a fixed pic register,
3206 then set up a pseudo in the function entry sequence. Handle the
3207 pic base being in a pseudo.
3208 (arm_load_pic_register): Handle the pic register being in a pseudo.
3209 (arm_expand_prologue): Only set up the pic register if it is fixed.
3210 (thumb_expand_prologue): Likewise.
3211 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3212 (pic_load_addr_based_insn): Likewise.
3213 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3216 2006-01-18 Ben Elliston <bje@au.ibm.com>
3218 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3219 decimal float modes for all floating point registers.
3221 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3222 match_code "mem" with match_test "macho_lo_sum_memory_operand".
3224 2006-01-17 Jakub Jelinek <jakub@redhat.com>
3227 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3228 even when the pointer is not NULL.
3230 2006-01-16 Ian Lance Taylor <ian@airs.com>
3232 * common.opt (ftoplevel-reorder): New option.
3233 * cgraph.c (cgraph_asm_nodes): New global variable.
3234 (cgraph_asm_last_node): New static variable.
3235 (cgraph_order): New global variable.
3236 (cgraph_create_node): Set new order field.
3237 (cgraph_varpool_node): Likewise.
3238 (decide_is_variable_needed): Return true if not
3239 flag_toplevel_reorder.
3240 (cgraph_add_asm_node): New function.
3241 * cgraph.h (struct cgraph_node): Add order field.
3242 (struct cgraph_varpool_node): Add order field.
3243 (struct cgraph_asm_node): Define.
3244 (cgraph_asm_nodes, cgraph_order): Declare.
3245 (cgraph_add_asm_node): Declare.
3246 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3248 (cgraph_varpool_assemble_pending_decls): Call it.
3249 (cgraph_output_pending_asms): New static function.
3250 (cgraph_finalize_compilation_unit): Call it.
3251 (struct cgraph_order_sort): Define.
3252 (cgraph_output_in_order): New static function.
3253 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
3254 !flag_toplevel_reorder case.
3255 * c-parser.c: Include "cgraph.h".
3256 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3258 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3259 than -fno-unit-at-a-time.
3260 * doc/invoke.texi (Option Summary): Mention
3261 -fno-toplevel-reorder.
3262 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
3263 -funit-at-a-time documentation.
3265 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
3266 Kazu Hirata <kazu@codesourcery.com>
3268 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3270 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
3272 * Makefile.in (FUNCTION_H): New. Use it instead of
3273 function.h throughout the file.
3274 * function.h: Include tree.h.
3276 2006-01-17 Ben Elliston <bje@au.ibm.com>
3278 * recog.c: Separate some functions with whitespace.
3280 2006-01-16 Richard Henderson <rth@redhat.com>
3282 Merge from gomp branch:
3283 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
3284 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3285 and rename from struct inline_data. Rename callee* to dst*;
3286 caller* to src*; add copy_decl hook, transform_call_graph_edges,
3287 transform_new_cfg, transform_return_to_modify, and
3288 transform_lang_insert_block flags; remove cloning_p, versioning_p,
3290 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3291 (copy_decl_for_dup): Remove.
3292 * tree-inline.c (struct inline_data): Move to header.
3293 (insert_decl_map): Export.
3294 (remap_decl): Update for member name changes. Use copy_decl hook.
3295 Allow for replacement to be a non-decl. Remove dead code.
3296 (remap_type_1): Check for existing mapping.
3297 (remap_type): Export.
3298 (remap_decls): Update for member name changes.
3299 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3300 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3301 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3302 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3303 (tree_function_versioning, build_duplicate_type): Likewise.
3304 (copy_body_r): Likewise. Export.
3305 (copy_decl_for_dup): Split into ...
3306 (copy_decl_for_dup_finish, copy_decl_to_var,
3307 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3308 (replace_ref_tree, inlining_p): Remove.
3310 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3312 * ifcvt.c (if_convert): Make it static.
3313 * rtl.h: Remove the prototype for if_convert.
3315 * local-alloc.c (local_alloc): Make it static.
3316 * rtl.h: Remove the prototype for local_alloc.
3318 * loop.c (loop_optimize): Make it static.
3319 * cfgloop.h: Remove the prototype for loop_optimize.
3322 2006-01-16 DJ Delorie <dj@redhat.com>
3324 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3327 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3329 * pa.md: Disparage copies between general and floating-point registers
3330 in 32-bit move patterns.
3332 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
3335 * Makefile.in (check-%): Depend on site.exp instead of
3336 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3339 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3341 * global.c (global_alloc): Make it static.
3342 * rtl.h: Remove the prototype for global_alloc.
3344 2006-01-16 Richard Guenther <rguenther@suse.de>
3346 * tree-ssa-alias.c (struct used_part): Add write_only field.
3347 (get_or_create_used_part_for): Initialize it to true.
3348 (create_overlap_variables_for): Don't create structure variables
3349 for structures that only are written to.
3350 (find_used_portions): Handle MODIFY_EXPR to track whether a
3351 structure is only written to.
3353 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3355 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3357 * basic-block.h: Remove the prototype for
3358 partition_hot_cold_basic_blocks.
3360 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
3362 * cppspec.c (lang_specific_spec_functions): Remove.
3363 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3364 * gcc.h (lang_specific_spec_functions): Remove.
3365 * gccspec.c (lang_specific_spec_functions): Remove.
3367 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
3369 * combine.c (record_value_for_reg): Invalidate registers
3371 (record_dead_and_set_regs_1): Likewise, by passing them to
3372 record_value_for_reg.
3373 (record_dead_and_set_regs): Invalidate stores made by a
3374 call. We do not combine across a call, but we still
3375 relied on equivalences.
3377 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3379 * tree-vrp.c (extract_range_from_binary_expr): Cope with
3380 vrp_int_const_binop returning non-constant nodes.
3382 2006-01-16 Paul Brook <paul@codesourcery.com>
3384 * config/m68k/m68k.c (output_move_const_into_data_reg):
3385 Output correct mnemonic for mvz and mvs.
3387 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
3389 * rtl-factoring.c: Add sequence abstraction algorithm.
3390 * cfgcleanup.c (outgoing_edges_match): Extra checks.
3391 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
3393 (block_has_preserve_label): New function.
3394 * common.opt: Register new pass.
3395 * Makefile.in: Ditto.
3397 * timevar.def: Ditto.
3398 * tree-pass.h: Ditto.
3399 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
3400 * rtl.h (make_jump_insn_raw): Add forward decl.
3401 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
3403 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3404 Roger Sayle <roger@eyesopen.com>
3406 * fold-const.c (fold_minmax): New static function.
3407 (fold_binary) <MIN_EXPR>: Call it.
3408 <MAX_EXPR>: Likewise.
3409 * stor-layout.c (place_field): Use DECL_SIZE consistently
3410 in the computation of the new record size.
3412 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3414 * cse.c (cse_condition_code_reg): Make it static.
3415 * rtl.h: Remove the prototype for cse_condition_code_reg.
3417 * combine.c (combine_instructions): Make it static.
3418 * rtl.h: Remove the prototype for combine_instructions.
3420 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3423 * tree.c (get_file_function_name_long): Concatenate the first global
3424 object name with a string derived from the input filename of the object
3427 2006-01-16 Ben Elliston <bje@au.ibm.com>
3429 * config/i386/winnt-stubs.c: Update FSF address.
3430 * config/xtensa/ieee754-df.S: Ditto.
3431 * config/xtensa/ieee754-sf.S: Ditto.
3433 2006-01-14 Ian Lance Taylor <ian@airs.com>
3435 * ifcvt.c (noce_init_if_info): New static function, broken out of
3436 noce_process_if_block.
3437 (noce_process_if_block): Call noce_init_if_info.
3438 (check_cond_move_block): New static function.
3439 (cond_move_process_if_block): New static function.
3440 (process_if_block): Call cond_move_process_if_block.
3442 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
3444 * cselib.c (hash_table): Rename to cselib_hash_table.
3445 (cselib_clear_table, discard_useless_values,
3446 remove_useless_values, cselib_lookup_mem, cselib_lookup,
3447 cselib_init, cselib_finish): Adjust uses of hash_table.
3449 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
3451 PR tree-optimization/25485
3452 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
3453 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
3454 is known to be false and true, respectively.
3456 2006-01-14 Richard Guenther <rguenther@suse.de>
3458 PR tree-optimization/22548
3459 PR tree-optimization/22555
3460 PR tree-optimization/22501
3461 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
3462 * params.def (salias-max-array-elements): New parameter.
3463 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
3464 * doc/invoke.texi (salias-max-array-elements): Document.
3465 * tree-flow-inline.h (var_can_have_subvars): We also handle
3467 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
3469 * tree-ssa-structalias.c (params.h): Include.
3470 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
3471 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
3472 (get_constraint_for): For ADDR_EXPR operating on something
3473 containing an ARRAY_REF, add all subvars to the solution.
3474 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
3475 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
3476 for creating MUST_DEFs.
3477 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
3479 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
3481 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
3483 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3484 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3485 number_of_iterations_le): New functions.
3486 (number_of_iterations_special): Removed.
3487 (number_of_iterations_exit): Do not use number_of_iterations_special.
3488 * tree.c (unsigned_type_for): Always return integer type.
3490 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
3491 Richard Guenther <rguenther@suse.de>
3493 PR rtl-optimization/24257
3494 * gcse.c (find_moveable_store): Only consider a store movable
3495 when the SET_SRC of the insn can be assigned to a register.
3497 2006-01-14 Ian Lance Taylor <ian@airs.com>
3499 * tree.c (tree_not_class_check_failed): New function.
3500 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
3501 (tree_not_class_check_failed): Declare.
3503 2006-01-13 Ian Lance Taylor <ian@airs.com>
3505 * reload1.c (do_output_reload): Add assertion rejecting a
3508 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
3510 * combine.c (struct reg_stat): Add new fields truncation_label and
3512 (record_value_for_reg): Reset truncated_to_mode.
3513 (record_truncated_value): New function.
3514 (check_promoted_subreg): Call it. Rename to check_conversions.
3515 (combine_instructions): Rename check_promoted_subreg to
3517 (reg_truncated_to_mode): New function.
3518 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
3519 (gen_lowpart_or_truncate): New function.
3520 (force_to_mode): Use it instead of gen_lowpart.
3522 2006-01-13 Diego Novillo <dnovillo@redhat.com>
3524 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
3525 VAR is a tag, not its type tag.
3527 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
3529 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3530 alternatives to match style of other entries.
3531 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
3533 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
3535 PR tree-optimization/25771
3536 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3539 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
3542 * tree-inline.c (declare_return_variable): If the return variable
3543 was marked as a non gimple complex, set the return slot variable
3544 to be a non gimple comple variable.
3546 2006-01-13 Richard Guenther <rguenther@suse.de>
3548 * builtins.c (expand_builtin_sincos): New function.
3549 (expand_builtin_mathfn_3): Remove dead code, sin and cos
3551 (expand_builtin): Expand sincos using expand_builtin_sincos.
3553 2006-01-12 DJ Delorie <dj@redhat.com>
3555 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3556 shift counts, separate SI shifts for m32c vs m16c, pass shift type
3557 so that constant shifts can be split.
3558 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3559 (m32c_valid_pointer_mode): Make static.
3560 (shift_gen_func_for): New.
3561 (m32c_prepare_shift): Use it. Split large const shifts into
3563 * config/m32c/predicates.md (shiftcount_operand): Allow more
3565 (longshiftcount_operand): New.
3566 * doc/md.texi (Machine Constraints): Document In6.
3568 2006-01-13 Ben Elliston <bje@au.ibm.com>
3570 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
3571 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
3574 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
3576 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
3577 to try to avoid clobbering pieces of structures when we know
3578 something about the whole structure.
3579 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
3581 2006-01-13 Ben Elliston <bje@au.ibm.com>
3583 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
3584 return in memory, as this is no limitation is no longer present.
3586 2006-01-12 DJ Delorie <dj@redhat.com>
3588 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
3589 mova with fb, and for fb+0 -> An.
3591 * config/m32c/mov.md (peephole2): Fix enabling logic.
3593 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3594 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
3595 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
3596 FINI_ARRAY_SECTION_ASM_OP): Define.
3598 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
3600 (m32c_legitimize_reload_address): New logic to reload FB to An.
3601 (m32c_output_reg_push): Add newline.
3602 (m32c_output_reg_pop): Likewise.
3604 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
3606 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
3608 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
3610 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3612 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3614 * config/sh/predicates.md (sh_rep_vec): Add parallel to
3617 2006-01-11 Ben Elliston <bje@au.ibm.com>
3619 * rtlanal.c (find_reg_note): Assert insn is not null.
3621 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3623 * df-scan.c (df_hard_reg_init): Move declaration of i outside
3626 2006-01-11 Jeff Law <law@redhat.com>
3628 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
3630 (mark_threaded_blocks, register_jump_thread): New functions.
3631 (thread_through_all_blocks): Remove unwanted argument. No
3632 longer rely on e->aux to communicate thread target info.
3633 Call mark_threaded_blocks. Release the threaded_blocks
3634 bitmap and threaded_edges vector when complete.
3635 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
3636 (threaded_blocks): Remove.
3637 (tree_ssa_dominator_optimize): Remove initialization and
3638 finalization of threaded_blocks. Simplify call to
3639 thread_through_all_blocks.
3640 (thread_across_edge): Call register_jump_thread rather than
3641 storing thread information into e->aux.
3642 (free_all_edge_infos): Simplify now that e->aux is no longer
3643 used to communicate with thread_through_all_blocks.
3644 * tree-flow.h (thread_through_all_blocks): Update prototype.
3645 (register_jump_thread): Prototype.
3647 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3649 * df-core.c (df_compact_blocks, df_bb_replace): Use
3650 SET_BASIC_BLOCK instead of BASIC_BLOCK.
3652 2006-01-11 Richard Guenther <rguenther@suse.de>
3654 PR tree-optimization/25734
3655 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3656 stop propagation after successful propagation to the LHS.
3658 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3660 * basic-block.h (control_flow_graph): Change the type of
3661 x_basic_block_info to VEC(basic_block,gc) *.
3662 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
3664 (SET_BASIC_BLOCK): New.
3665 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
3666 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
3667 * cfgbuild.c (find_basic_blocks): Likewise.
3668 * cfglayout.c (fixup_reorder_chain): Likewise.
3669 * cfgrtl.c (create_basic_block_structure,
3670 rtl_create_basic_block): Likewise.
3671 * ifcvt.c (find_if_case_1): Likewise.
3672 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
3675 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3677 * Makefile.in: Removed rotted odf.c entry.
3679 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
3682 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
3683 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
3684 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
3685 output pattern modifier, not %e.
3686 * config/cris/cris.c (cris_op_str): Update comment about pattern
3688 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
3689 before falling through into...
3690 <case 'E'>: Redefined from old 'e' case.
3692 2006-01-11 Jan Hubicka <jh@suse.cz>
3695 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
3697 2006-01-11 Jan Hubicka <jh@suse.cz>
3699 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
3700 * i386.c (x86_decompose_lea): Kill.
3701 (ix86_rtx_costs): Kill.
3703 2006-01-11 Jan Hubicka <jh@suse.cz>
3705 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
3706 * cgraph.h (cgraph_node): Add inline_decl.
3707 (cgraph_insert_node_to_hashtable): Declare.
3708 (save_inline_function_body): Declare.
3709 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
3711 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
3712 (cgraph_function_versioning): Update call of tree_function_versioning.
3713 (save_inline_function_body): New function.
3714 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
3715 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
3716 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
3717 (cgraph_default_inline_p): Likewise.
3718 (cgraph_decide_inlining_incrementally): Likewise.
3719 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
3720 (copy_bb): Kill saving; do updating of clones.
3721 (copy_cfg_body): Kill saving.
3722 (initialize_inlined-parameters): Likewise.
3723 (expand_call_inline): Likewise.
3725 (tree_function_versioning): New parameter "update_clones".
3726 (inlining_p): Kill saving.
3727 * tree-inline.h (tree_function_versioning): Update prototype.
3728 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
3731 2006-01-11 Ian Lance Taylor <ian@airs.com>
3733 * combine.c (struct undo): Remove is_int. Enumify types of undos.
3734 Allow undoing set of machine mode.
3735 (do_SUBST): Use enums instead of is_int.
3736 (do_SUBST_MODE): New function.
3737 (SUBST_MODE): New macro.
3738 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
3739 reg and trying to replace reg_regno_rtx with a new register.
3740 (undo_all): Use new enums, handle undoing a PUT_MODE change.
3741 (simplify_set): Use SUBST_MODE.
3742 (distribute_notes): Remove code that tried to update reg notes
3743 for regno_reg_rtx changes.
3745 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
3747 PR tree-optimization/23109
3748 PR tree-optimization/23948
3749 PR tree-optimization/24123
3751 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
3752 * tree-cfg.c (single_noncomplex_succ): New.
3753 * tree-flow.h (single_noncomplex_succ): Declare it.
3754 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3755 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3756 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
3757 insert_bb, register_division_in, insert_reciprocals,
3758 replace_reciprocal, free_bb): New.
3759 (execute_cse_reciprocals_1): Rewritten.
3760 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
3761 Do not commit any edge insertion. Always compute dominators and
3762 create the allocation pool.
3763 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
3764 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
3765 * targhooks.c (default_min_divistions_for_recip_mul): New.
3766 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
3767 * passes.c (init_optimization_passes): Run recip after tree loop
3769 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
3771 2006-01-11 Danny Berlin <dberlin@dberlin.org>
3772 Kenneth Zadeck <zadeck@naturalbridge.com>
3774 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
3775 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
3776 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
3777 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
3778 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
3779 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
3780 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
3781 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
3782 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
3783 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
3784 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
3785 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
3786 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
3787 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
3788 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
3789 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
3790 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
3791 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
3792 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
3793 DF_SCAN_POST_ALLOC): New macros.
3794 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
3795 df_free_bb_function, df_local_compute_function, df_init_function,
3796 df_dataflow_function, df_confluence_function_0,
3797 df_confluence_function_n, df_transfer_function,
3798 df_finalizer_function, df_free_function, df_dump_problem_function,
3799 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
3800 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
3801 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
3802 df_urec_bb_info, ) New types.
3803 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
3805 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
3806 df_analyze_simple_change_some_blocks,
3807 df_analyze_simple_change_one_block, df_compact_blocks,
3808 df_bb_replace, df_bb_regno_last_use_find,
3809 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
3810 df_insn_regno_def_p, df_find_def, df_find_use,
3811 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
3812 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
3813 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
3814 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
3815 debug_df_chain, df_get_dependent_problem, df_chain_create,
3816 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
3817 df_grow_bb_info, df_chain_dump, df_print_bb_index,
3818 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
3819 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
3820 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
3821 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
3822 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
3823 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
3824 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
3825 df_ref_remove, df_insn_refs_delete, df_refs_delete,
3826 df_reorganize_refs, df_set_state, df_hard_reg_init,
3827 df_read_modify_subreg_p) New public functions.
3828 * df-core.c: The core dataflow solver and glue routines for rtl
3830 (df_init, df_add_problem, df_set_blocks, df_finish,
3831 df_hybrid_search_forward, df_hybrid_search_backward,
3832 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3833 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3834 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3835 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3836 df_reg_defined, df_find_use, df_reg_used, df_dump,
3837 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3838 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3839 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3840 debug_df_useno, reset_df_after_reload): New functions.
3841 * df-scan.c: The scanning fuctions, once in df.c, completely
3842 rewritten so that they now fully model the functionality of
3843 register usage at the backend.
3844 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3845 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
3846 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
3847 df_grow_insn_info, df_rescan_blocks, df_ref_create,
3848 df_get_artificial_defs, df_get_artificial_uses,
3849 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
3850 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
3851 df_refs_delete, df_reorganize_refs, df_set_state,
3852 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
3853 df_def_record_1, df_defs_record, df_uses_record,
3854 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
3855 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
3856 df_record_exit_block_uses, df_hard_reg_init): New functions.
3858 * df-problems.c: Seven concrete dataflow problems that use the
3859 scanning in df-scan.c and are solved by the engine in df-core.c.
3860 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
3861 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
3862 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
3863 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
3864 df_ru_free_bb_info, df_ru_alloc,
3865 df_ru_bb_local_compute_process_def,
3866 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
3867 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
3868 df_ru_transfer_function, df_ru_free, df_ru_dump,
3869 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
3870 df_rd_free_bb_info, df_rd_alloc,
3871 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
3872 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
3873 df_rd_transfer_function, df_rd_free, df_rd_dump,
3874 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
3875 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
3876 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
3877 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
3878 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
3879 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
3880 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
3881 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
3882 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
3883 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
3884 df_urec_mark_reg_change, df_urec_check_earlyclobber,
3885 df_urec_mark_reg_use_for_earlyclobber,
3886 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
3887 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
3888 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
3889 df_urec_dump, df_urec_add_problem, df_chain_alloc,
3890 df_chain_create_bb_process_use, df_chain_create_bb,
3891 df_chain_finalize, df_chain_free, df_chains_dump,
3892 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
3893 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
3894 df_reg_lifetime): New functions.
3895 * df.c: Deleted file.
3896 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
3897 consistent with new df api.
3898 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
3899 rest_of_handle_sms): Ditto.
3900 * web.c (unionfind_union, union_defs, entry_register, web_main):
3902 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
3903 invariant_expr_equal_p, find_defs, check_dependencies,
3904 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
3905 free_inv_motion_data, move_loop_invariants): Ditto.
3906 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
3907 Update dependencies.
3908 (odf.c): Added defective entry that was deleted later in day.
3909 * sched-deps.c (sched_analyze_1): Ditto.
3911 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
3913 * tree-ssa-operands.c (get_expr_operands): Record addressable
3914 variables directly. Do not call add_stmt_operands for CONST_DECLs
3916 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
3917 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
3919 2006-01-11 Ben Elliston <bje@au.ibm.com>
3921 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
3922 function returns true in the positive case.
3924 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3927 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
3928 for SI, DI, SF and DF modes. Add alternatives to copy between
3929 general and floating point registers to the 32-bit patterns.
3930 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
3931 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
3932 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
3933 generating 64-bit code.
3934 * config/pa/pa.c (output_move_double): Handle copies between general
3935 and floating registers.
3937 2006-01-10 Stuart Hastings <stuart@apple.com>
3939 * config/i386/i386.md (set_got): Update.
3940 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
3941 (builtin_setjmp_receiver): Mach-O support.
3942 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
3943 (GOT_SYMBOL_NAME): Define.
3944 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3945 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
3946 * config/i386/i386.c (override_options): Revise for Darwin.
3947 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
3948 support. (darwin_x86_file_end): New. (output_set_got): Add label
3949 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
3950 * config/i386/i386-protos.h (output_set_got): Likewise.
3951 * config/darwin.c (machopic_legitimize_pic_address): Update
3954 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
3956 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
3957 when MODE isn't BLKmode.
3959 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3961 PR rtl-optimization/25367
3962 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
3964 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
3967 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
3968 for a negative bound.
3970 2006-01-10 Richard Guenther <rguenther@suse.de>
3972 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3973 Never override with anything constraint.
3975 2006-01-10 Jan Beulich <jbeulich@novell.com>
3977 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
3978 256 bits when optimize_size.
3980 2006-01-10 Jan Beulich <jbeulich@novell.com>
3982 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
3984 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
3985 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
3988 2006-01-10 Ben Elliston <bje@au.ibm.com>
3990 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
3992 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
3993 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3994 (USE_FP_FOR_ARG): Reject decimal float modes.
3995 (function_arg_advance): Likewise.
3996 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
3997 (rs6000_handle_altivec_attribute): Do not permit decimal floating
3998 point types in AltiVec vectors.
3999 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4000 (rs6000_libcall_value): Likewise.
4002 2006-01-09 Bob Wilson <bob.wilson@acm.org>
4004 * config/xtensa/ieee754-df.S: New file.
4005 * config/xtensa/ieee754-sf.S: New file.
4006 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4007 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4008 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4010 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
4012 * config/sh/predicates.md (binary_float_operator,
4013 binary_logical_operator, commutative_float_operator,
4014 equality_comparison_operator, greater_comparison_operator,
4015 less_comparison_operator, logical_operator,
4016 noncommutative_float_operator, shift_operator,
4017 symbol_ref_operand, unary_float_operator): Remove redundant
4020 2006-01-09 Jeff Law <law@redhat.com>
4022 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4023 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
4024 now unused arguments. Callers updated.
4025 (eliminate_redundant_computations): Remove now unused arguments,
4027 (local_fold): Remove, no longer used.
4028 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4030 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4031 (simplify_cond): New function.
4032 (forward_propagate_into_cond): Call simplify_cond.
4034 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
4036 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4037 (*vec_extractv2di_1_sse): New.
4039 2006-01-09 Ben Elliston <bje@au.ibm.com>
4041 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4043 2006-01-08 Richard Guenther <rguenther@suse.de>
4045 * tree-ssa-structalias.c (get_constraint_for): Remove
4047 (get_constraint_for_component_ref): Likewise.
4048 (do_deref): Likewise.
4049 (get_constraint_for): Likewise.
4050 (do_structure_copy): Likewise.
4051 (handle_ptr_arith): Likewise.
4052 (find_func_aliases): Likewise. Remove unused need_anyoffset
4055 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
4056 Kaz Kojima <kkojima@gcc.gnu.org>
4058 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4059 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4060 (EXTRA_CONSTRAINT_C16): Remove.
4061 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4062 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4063 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4064 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4065 constants of SHmedia. Handle nested constant expressions of
4067 (andcosts): Fix the costs for SHmedia constants.
4068 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4069 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4070 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4071 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4072 (movv4hi_i, movv2si_i): Likewise.
4073 (movsi_const): Adjust the second operand of ior so to match with
4075 (movdi_const, movdi_const_32bit): Likewise.
4076 (movdi_const_16bit+1): Don't sign-extend LOW.
4077 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
4079 (*double_shori): Fix the split condition. Use GEN_INT instead
4080 of get_int_mode calls. Mask lower 16-bit of the argument of
4082 (sym2GOTPLT): Remove.
4083 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4085 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4086 instead of EXTRA_CONSTRAINT_C16.
4088 2006-01-07 Ian Lance Taylor <ian@airs.com>
4089 David Edelsohn <edelsohn@gnu.org>
4091 PR rtl-optimization/25662
4092 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4093 for constant operands instead of simplify_gen_binary.
4094 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4095 after trying simplify_binary_operation
4097 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
4099 * tree.c (iterative_hash_expr): Hash decls based on UID.
4101 2006-01-06 Eric Christopher <echristo@apple.com>
4103 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4104 (TARGET_UNWIND_EMIT): Fix spelling.
4105 * target.h (gcc_target): Add except_table_label.
4106 * except.c (output_function_exception_table): Use.
4107 * varasm.c (default_emit_except_table_label): New.
4108 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4110 (asm_out): Add here.
4111 * output.h (default_emit_except_table_label): Prototype.
4112 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4113 * config/darwin.c (darwin_emit_except_table_label): Define.
4114 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4116 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
4118 PR tree-optimization/18527
4119 * tree-ssa-loop-niter.c (number_of_iterations_cond,
4120 number_of_iterations_special, number_of_iterations_exit):
4121 Move base and step of an iv to a single structure. Add
4122 no_overflow flag, and use it in # of iterations analysis.
4123 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4124 folded_casts argument.
4125 (simple_iv): Pass base and step in a structure. Set no_overflow
4127 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4128 Evaluate expensiveness of computing # of iterations instead of
4129 the final expression.
4130 * tree-scalar-evolution.h (affine_iv): New structure.
4131 (simple_iv): Declaration changed.
4132 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4133 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4134 find_givs_in_stmt): Changed due to simple_iv change.
4136 2006-01-06 Jeff Law <law@redhat.com>
4139 * tree-cfg.c (bsi_replace): Rename final argument from
4140 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
4141 change (stmt -> orig_stmt).
4142 * tree-eh.c (verify_eh_throw_stmt_node): New function.
4143 (bsi_remove): Add new argument. Remove EH information
4145 (verify_eh_throw_table_statements): New function.
4146 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
4148 * tree-optimize.c (execute_free_cfg_annotations): Verify
4149 the EH throw statement table after removing annotations.
4150 * except.h (verify_eh_throw_table_statements): Prototype.
4151 * tree-flow.h (bsi_remove): Update prototype.
4152 * tree-vrp.c (remove_range_assertions): Add new argument to
4154 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4155 * tree-complex.c (expand_complex_div_wide): Likewise.
4156 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4157 * tree-tailcall.c (eliminate_tailcall): Likewise.
4158 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4159 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4160 * tree-nrv.c (tree_nrv): Likewise.
4161 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4162 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4163 (combine_blocks): Likewise.
4164 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4165 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4166 (cleanup_control_flow): Likewise.
4167 (remove_forwarder_block): Likewise.
4168 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4169 * tree-sra.c (sra_replace): Likewise.
4170 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4171 (forward_propagate_single_use_vars): Likewise.
4172 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4173 * tree-inline.c (expand_call_inline): Likewise.
4174 * tree-vect-transform.c (vect_transform_loop): Likewise.
4175 * tree-outof-ssa.c (rewrite_trees): Likewise.
4176 * tree-cfg.c (make_goto_expr_edges): Likewise.
4177 (cleanup_dead_labels): Likewise.
4178 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4179 (bsi_move_before, bsi_move_after): Likewise.
4180 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4181 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4183 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
4186 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4188 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4189 on non gimple variables. Also add checks at the top for decls and
4191 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4193 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4194 and IMAGPART_EXPR for creating MUST_DEFs.
4195 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4196 and NAME_MEMORY_TAG separately from the DECLs.
4198 2006-01-06 Richard Guenther <rguenther@suse.de>
4200 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4201 annotation, if necessary.
4202 * tree-ssa-pre.c (create_expression_by_pieces): Remove
4203 redundant calls to update_stmt.
4204 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4207 2006-01-05 Richard Henderson <rth@redhat.com>
4209 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4211 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4213 * c-typeck.c: Update copyright date.
4215 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4217 * c-typeck.c (build_c_cast): Always warn when casting
4218 from a pointer to an integer of different size, even if
4219 the node was constant.
4221 2006-01-05 Richard Guenther <rguenther@suse.de>
4223 PR tree-optimization/22555
4224 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4225 if one structure field is an array.
4226 * tree-ssa-operands.c (get_expr_operands): Continue scanning
4227 operands even if we found a subvar, but ignore VOPs in this
4229 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4231 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4233 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
4236 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4238 2006-01-05 Richard Guenther <rguenther@suse.de>
4239 Diego Novillo <dnovillo@redhat.com>
4241 * tree-pass.h (TODO_remove_unused_locals): Define.
4242 * gimple-low.c (expand_var_p, remove_useless_vars,
4243 pass_remove_useless_vars): Remove. Update all users.
4244 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4245 (remove_unused_locals): New function.
4246 * tree-flow.h (remove_unused_locals): Declare.
4247 * passes.c (execute_todo): Call remove_unused_locals if
4248 TODO_remove_unused_locals is set.
4249 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4250 * tree-ssa-dce.c (pass_dce): Likewise.
4251 * tree-outof-ssa.c (pass_del_ssa): Likewise.
4253 2006-01-05 Richard Guenther <rguenther@suse.de>
4255 * tree-flow.h (struct fieldoff): Decompose field to
4256 type, size and decl.
4257 * tree-ssa-alias.c (create_sft): Take type as parameter.
4258 (create_overlap_variables_for): Store type, size and decl
4259 in the fieldoff structure.
4260 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
4262 (push_fields_onto_fieldstack): Likewise.
4263 (create_variable_info_for): Likewise. Use offset for the
4264 SFT name if the decl is not available.
4266 2006-01-04 Paul Brook <paul@codesourcery.com>
4268 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
4270 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
4272 * lambda-code.c (can_put_in_inner_loop): Relax
4274 (can_put_after_inner_loop): New function.
4275 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
4276 (perfect_nestify): Change to make copies and modify uses.
4278 2006-01-04 Richard Henderson <rth@redhat.com>
4280 Merge from gomp branch:
4281 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
4282 via integer constant.
4283 (pragma_lex): Remove.
4284 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
4285 rather than parsing it.
4286 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
4287 handle_pragma_extern_prefix): Add %< %> quotes.
4288 (registered_pragmas): New.
4289 (c_register_pragma_1): New.
4290 (c_register_pragma): Use it.
4291 (c_register_pragma_with_expansion): Likewise.
4292 (c_invoke_pragma_handler): New.
4293 (init_pragma): Use cpp_register_deferred_pragma directly for
4295 * c-pragma.h (enum pragma_kind): New.
4296 (pragma_handler): New.
4297 (c_invoke_pragma_handler): Declare.
4298 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
4300 * c-common.h (c_common_pch_pragma): Update decl.
4301 * Makefile.in (c-parser.o): Update dependencies.
4302 (GTFILES): Add c-pragma.h.
4303 * c-parser.c (struct c_token): Add pragma_kind.
4304 (struct c_parser): Add in_pragma.
4305 (c_lex_one_token): Always initialize keyword and pragma_kind.
4306 Extract data for CPP_PRAGMA.
4307 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
4308 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
4309 Don't allow CPP_PRAGMA_EOL if in_pragma.
4310 (c_parser_consume_pragma): New.
4311 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
4312 (c_parser_skip_to_end_of_parameter): Likewise.
4313 (c_parser_skip_to_end_of_block_or_statement): Likewise.
4314 (c_parser_skip_to_pragma_eol): New.
4315 (c_parser_external_declaration): Handle CPP_PRAGMA.
4316 (c_parser_compound_statement_nostart): Likewise.
4317 (c_parser_statement_after_labels): Likewise.
4318 (c_parser_pragma): New.
4319 (pragma_lex): Likewise.
4320 (c_parser_pragma_pch_preprocess): New.
4321 (c_parser_new): Merge into ...
4322 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
4324 2006-01-04 Jeff Law <law@redhat.com>
4327 * tree-cfg.c (bsi_replace): Remove the original statement
4328 from the EH throw statement table.
4330 2006-01-04 Jakub Jelinek <jakub@redhat.com>
4332 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
4333 make the prototype extern "C" and add throw ().
4336 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
4337 and pos non-negative and pos + len <= 32.
4338 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
4339 drop pos + len < HOST_BITS_PER_WIDE_INT test.
4340 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
4343 * c-common.c (handle_vector_size_attribute): Reject zero vector size
4344 as well as sizes not multiple of component size.
4347 * function.c (instantiate_expr): New function.
4348 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
4349 walk its DECL_VALUE_EXPR with instantiate_expr.
4351 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
4352 DW_OP_deref{,_size} if address isn't going to be added.
4354 2006-01-04 Ben Elliston <bje@au.ibm.com>
4356 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
4357 * config/fp-bit.c: Likewise.
4359 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
4361 * dominance.c: Add comment about why we use DFS numbering
4364 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4365 Richard Henderson <rth@redhat.com>
4367 Merge from gomp-branch:
4368 * varasm.c (assemble_variable): Handle thread-local COMMON data.
4369 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
4371 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
4373 PR rtl-optimization/25578
4374 * combine.c (combine_simplify_rtx, force_to_mode): Don't
4375 pass a parameter to simplify_shift_const if changing ASHIFTRT
4378 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
4380 * builtins.c (get_builtin_sync_mem): New function.
4381 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4382 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
4383 Call get_builtin_sync_mem to generate mem rtx.
4385 2006-01-03 Richard Guenther <rguenther@suse.de>
4388 * stmt.c (add_case_node): Make sure to clear overflow flags
4391 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4393 Merge from gomp-branch.
4394 * config/sparc/sync.md: New file.
4395 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
4396 UNSPECV_LDSTUB): New constants.
4397 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
4398 * config/sparc/predicates.md (memory_reg_operand): New predicate.
4399 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
4402 2006-01-03 Roger Sayle <roger@eyesopen.com>
4404 * combine.c (reg_subword_p): New predicate to test whether the
4405 destination of a set refers to a subword/piece of a register.
4406 (try_combine): Generalize the code to merge the setting of a
4407 pseudo to a constant followed by a set of a subword of that
4408 register to a constant.
4410 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
4412 * basic-block.h (control_flow_graph): Change the type of
4413 x_label_to_block_map to VEC(basic_block,gc) *.
4414 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
4415 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
4417 * tree-ssa-propagate.c (cfg_blocks): Change the type to
4418 VEC(basic_block,heap) *.
4419 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
4420 ssa_prop_fini): Adjust the uses of cfg_blocks.
4422 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
4424 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
4426 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
4427 hashing trees instead of a pointer hash.
4428 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
4429 compare for MEM_EXPR.
4431 PR rtl-optimization/25130
4432 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
4433 when comparing MEMs for GCSE
4435 2006-01-03 Ben Elliston <bje@au.ibm.com>
4437 * targhooks.h (default_decimal_float_supported_p): Declare.
4438 * targhooks.c (default_decimal_float_supported_p): Define.
4439 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
4440 `default_decimal_float_supported_p'.
4441 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
4443 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
4445 * combine.c (apply_distributive_law <SUBREG>): Check
4446 TRULY_NOOP_TRUNCATION.
4448 2006-01-02 Geoffrey Keating <geoffk@apple.com>
4450 * dwarf2out.c (have_switched_text_section): Delete.
4451 (have_multiple_function_sections): New.
4452 (have_location_lists): Make 'bool'.
4453 (add_AT_loc_list): Use 'true' not '1'.
4454 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
4455 (output_loc_list): Use have_multiple_function_sections.
4456 (output_ranges): Likewise.
4457 (dwarf2out_begin_function): Set have_multiple_function_sections if
4459 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
4460 Check function_section rather than DECL_SECTION_NAME.
4461 (dwarf2out_finish): Use have_multiple_function_sections.
4462 Don't clear have_location_lists.
4464 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
4465 Jan Hubicka <jh@suse.cz>
4467 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
4468 case of conditional jump jumping to the next instruction.
4469 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
4470 cases of conditional jump jumping to the next instruction.
4472 2006-01-02 Jan Hubicka <jh@suse.cz>
4474 * i386.c (*_cost): Add COSTS_N_INSNS.
4475 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
4477 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
4480 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
4482 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4484 * config/arm/arm.c (all_fpus): Fix comment typo.
4485 * config/darwin.c: Likewise.
4486 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
4487 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
4488 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
4490 2006-01-01 David Edelsohn <edelsohn@gnu.org>
4492 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
4493 (rs6000_split_compare_and_swapqhi): New.
4494 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
4495 (sync_compare_and_swapqhi_internal): New.
4496 * config/rs6000/rs6000-protos.h: Declare.