1 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
3 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9 computing the effective result type.
11 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15 (tree_overlaps_hard_reg_set): Declare.
16 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
17 type and signature to match function type expected by walk_tree.
18 (tree_overlaps_hard_reg_set): New function.
19 (decl_conflicts_with_clobbers_p): Rename to:
20 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
21 Use tree_overlaps_hard_reg_set. Changed caller.
22 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
23 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
24 * cris.c (cris_md_asm_clobbers): Likewise.
26 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
28 * reload1.c (emit_input_reload_insns): Delete code that tries to
29 inherit using find_equiv_reg.
31 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
33 * c-common.h (flag_const_strings): Don't declare.
34 * c-common.c (flag_const_strings): Remove.
35 * c.opt (fconst_strings): Remove.
36 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
37 <OPT_Wwrite_strings>: Don't set flag_const_strings.
38 (c_common_init_options): Don't set flag_const_strings.
39 * doc/invoke.texi (-fno-const-strings): Remove documentation.
41 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
43 * arm.md (tlobits_cbranch): New pattern.
44 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
47 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
50 * tree-ssa-pre.c (create_component_ref_by_pieces):
51 Handle RETURN_DECL like VAR_DECL.
53 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
56 * fold-const.c (fold_indirect_ref_1): Fold
57 "*(foo *)&complexfoo" to "__real__ complexfoo"
58 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
60 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
62 * tree-flow-inline.h (var_can_have_subvars):
63 Volatile variables should not have subvariables.
65 2006-02-09 Diego Novillo <dnovillo@redhat.com>
68 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
69 multiplying unsigned values.
72 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
74 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
76 2006-02-08 Jason Merrill <jason@redhat.com>
79 * tree.def: Elaborate on difference from MODIFY_EXPR.
80 * doc/c-tree.texi (INIT_EXPR): Likewise.
81 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
82 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
83 (gimplify_target_expr): Likewise.
84 (gimplify_cond_expr): Remove target handling.
85 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
86 (gimplify_expr): Clobber it here.
87 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
88 Do return slot optimization if we have an INIT_EXPR.
91 * tree-inline.c (declare_return_variable): Also clear
92 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
95 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
98 * gimplify.c (gimplify_one_sizepos): Fix typo.
100 2006-02-08 Jeff Law <law@redhat.com>
102 PR tree-optimization/21417
103 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
104 across a backedge if the control statement at the end of the
105 block is data dependent on other statements in the same block.
106 (record_temporary_equivalences_from_stmts): Remove over-conservative
107 test for threading across backedges.
109 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
110 control statement, handle all three special cases in the same
111 manner as they all have the same desired solution. No longer
112 special case edge flag updating when the post dominator is
115 2006-02-08 Roger Sayle <roger@eyesopen.com>
117 * tree.def (CHAR_TYPE): Remove.
118 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
119 * dwarf2out.c (base_type_die, is_base_type): Likewise.
120 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
121 (gen_string_type_die): Delete unreachable function.
123 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
124 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
125 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
126 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
127 * builtins.c (type_to_class): Likewise.
128 * fold-const.c (fold_convert, build_range_check,
129 merge_ranges): Likewise.
130 * expr.c (count_type_elements): Likewise.
131 * c-pretty-print.c (pp_c_type_specifier): Likewise.
132 * stor-layout.c (layout_type): Likewise.
133 * ipa-type-escape.c (type_to_consider): Likewise.
134 * gimplify.c (omp_firstprivatize_type_sizes,
135 gimplify_type_sizes): Likewise.
136 * explow.c (promote_mode): Likewise.
137 * tree-sra.c (is_sra_scalar_type): Likewise.
138 * varasm.c (output_constant): Likewise.
139 * tree-inline.c (remap_type_1): Likewise.
140 * convert.c (convert_to_pointer, convert_to_real,
141 convert_to_integer, convert_to_complex): Likewise.
143 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
145 * df-scan.c (df_def_record_1): A set destination may
146 be a parallel regardless of mode.
148 2006-02-08 Roger Sayle <roger@eyesopen.com>
151 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
152 * config/mips/_tilib.c: Remove.
153 * config/fixtfdi.c: New libgcc source file.
154 * config/fixunstfdi.c: New source file.
155 * config/floatditf.c: New source file.
156 * config/floatunditf.c: New souce file.
157 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
158 files above instead of config/mips/_tilib.c.
159 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
161 2006-02-08 Jeff Law <law@redhat.com>
163 PR tree-optimization/26169
164 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
167 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
169 * df.h (DF_REG_SIZE): Return the length of the initialized
172 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
174 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
175 __muldf3): Return a correctly signed zero.
177 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
179 * passes.c (register_one_dump_file): Accept the current properties
180 instead of pass number. Adjust call to dump_register. Remove
182 (register_dump_files): Now a wrapper around...
183 (register_dump_files_1): ... this one. Do not modify the pass
185 (next_pass_1): Cosmetic fix.
186 (execute_todo): Keep second parameter only. Use curr_properties
187 instead of fetching it from the pass structure. Check and set
189 (execute_one_pass): Handle TODO_set_props. Use curr_properties
190 instead of fetching it from the pass structure. Fix calls to
191 execute_todo. Update curr_properties and initialize .vcg RTL dump
192 after running the pass. Reset last_verified.
193 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
195 (FIRST_AUTO_NUMBERED_DUMP): New.
196 (dump_register): Remove "num" parameter, assign it within the
198 (get_dump_file_name): Modify template for dumps.
199 * tree-dump.h (dump_register): Adjust prototype.
200 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
201 (PROP_trees): Add PROP_gimple_lomp.
202 (TODO_set_props): New.
203 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
204 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
205 * cfgexpand.c (pass_expand): Destroy PROP_trees.
207 2006-02-08 Jakub Jelinek <jakub@redhat.com>
209 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
210 (sparc64-*-linux*): Likewise.
211 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
212 * config/sparc/t-linux: New file.
213 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
214 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
215 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
216 -m32 -mlong-double-128.
218 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
219 * config/alpha/t-linux: New file.
220 * config/alpha/libgcc-alpha-ldbl.ver: New file.
222 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
223 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
224 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
225 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
226 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
227 (CPP_ARCH32_SPEC): Remove.
229 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
231 PR tree-optimization/26145
232 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
235 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
238 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
239 >= 240000 when generating code for SOM runtime.
240 (output_indirect_call): Don't use "b,l" instruction for indirect calls
241 to $$dyncall when generating code for SOM runtime..
243 2006-02-07 Dirk Mueller <dmueller@suse.com>
246 * doc/invoke.texi (-Wsequence-point): Update documentation
247 that -Wsequence-point is implemented for C++ as well.
249 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
251 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
252 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
253 (LIB_SPEC): Likewise.
254 * doc/invoke.texi (SPARC options): Document -pthread.
256 2006-02-07 Geoffrey Keating <geoffk@apple.com>
258 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
261 2006-02-07 Roger Sayle <roger@eyesopen.com>
263 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
264 Correct comment describing BOOLEAN_TYPE.
266 2006-02-07 Dirk Mueller <dmueller@suse.com>
268 * c.opt: C++ frontend supports -Wdiv-by-zero.
269 * c-opts.c (c_common_handle_option): Remove dead case.
271 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
273 * configure.ac (TLS assembler check): Do not enable TLS by
274 default on SPARC/Solaris before version 10.
275 * configure: Regenerate.
277 2006-02-07 David Edelsohn <edelsohn@gnu.org>
279 * doc/invoke.texi (xl-compat): Document conversion and support
282 2006-02-07 Jeff Law <law@redhat.com>
284 * tree-vrp.c (find_conditional_asserts): Update comments.
285 (simplify_stmt_for_jump_threading): New.
286 (identify_jump_threads, finalize_jump_threads): New.
287 (vrp_finalize): Call identify_jump_threads.
288 (execute_vrp): Call finalize_jump_threads.
289 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
290 (vrp_element, vrp_data, vrp_element_p): Remove.
291 (vrp_hash_elt, vrp_variables_stack): Remove.
292 (vrp_hash, vrp_eq, record_range): Remove.
293 (simplify_cond_and_lookup_avail_expr): Remove.
294 (extract_range_from_cond): Remove.
295 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
296 (simplify_stmt_for_jump_threading): New.
297 (dom_thread_across_edge): New wrapper.
298 (tree_ssa_dominator_optimize): No longer initialize or
299 finalize any of the VRP datastructures. Remove iteration
300 step and simplify as a result of removal of iteration step.
301 (pass_dominator): Perform a cfg cleanup after DOM.
302 (dom_opt_finalize_block): Use the new common routines
303 for threading jumps. Simplify stack management slightly.
304 No longer need to unwind VRP state.
305 (record_equivalences_from_incoming_edge): No longer record
307 (eliminate_redundant_computations): No longer call
308 simplify_cond_and_lookup_avail_expr.
309 * tree-flow.h (potentially_threadable_block): Prototype.
310 (thread_across_edge): Likewise.
311 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
312 (tree-ssa-threadedge.o): Add dependencies.
313 * tree-ssa-threadedge.c: New file.
314 * passes.c (init_optimization_passes): Merge PHIs before
315 calling VRP. Run VRP again late in the SSA optimization pipeline.
317 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
319 * df-core.c (df_set_blocks): Do not dereference function pointers.
320 (df_finish1): Likewise.
321 (df_hybrid_search_forward): Likewise.
322 (df_hybrid_search_backward): Likewise.
323 (df_iterative_dataflow): Likewise.
324 (df_analyze_problem): Likewise.
325 (df_compact_blocks): Likewise.
327 * df-scan.c (df_rescan_blocks): Likewise.
328 (df_record_entry_block_defs): Likewise.
330 * genconditions.c (write_conditions): Guard the definition of
331 'insn_conditions' with the check on GCC version.
332 (write_writer): Guard the traversal 'insn_conditions' with
333 the check on GCC version.
335 2006-02-07 Richard Guenther <rguenther@suse.de>
339 2006-01-30 Richard Guenther <rguenther@suse.de>
341 * gimplify.c (gimplify_target_expr): Handle easy cases
342 without creating a temporary.
344 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
346 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
347 use of float in probability computations. Use edge probabilities
348 in place of statically computed probabilities.
349 (min_spec_prob): New static variable.
350 (schedule_insns): Initialize it.
351 (GET_SRC_PROB): Removed.
352 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
354 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
357 * config/ia64/unwind-ia64.c: Revert last change.
358 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
359 (INCOMING_FRAME_SP_OFFSET): Define.
361 2006-02-06 Roger Sayle <roger@eyesopen.com>
363 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
365 2006-02-07 Ben Elliston <bje@au.ibm.com>
367 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
368 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
369 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
370 (ix86_return_in_memory): Handle TDmode.
371 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
372 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
374 2006-02-06 Richard Sandiford <richard@codesourcery.com>
376 * reorg.c (dbr_schedule): Use dump_file instead of file.
378 2006-02-06 Steve Ellcey <sje@cup.hp.com>
381 * config/ia64/predicates.md (extr_len_operand): New predicate.
382 * config/ia64/ia64.md (extv): Tighten constraints.
384 (*tbit_and_2): Ditto.
385 (*tbit_and_3): Ditto.
391 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
394 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
396 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
398 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
399 loop_optimizer_init and loop_optimizer_finalize
400 * tree-ssa-sink.c (execute_sink_code): Ditto.
401 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
402 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
403 tree_ssa_loop_done): Ditto.
404 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
405 * sched-ebb.c: Include output.h.
406 (schedule_ebbs): Do not use dump argument.
407 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
408 * loop.c (loop_dump_stream): Removed.
409 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
411 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
412 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
413 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
414 loop_iterations, strength_reduce, record_biv, record_giv,
415 final_giv_value, check_final_value, check_ext_dependent_givs,
416 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
417 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
418 dump_file instead of loop_dump_stream.
419 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
421 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
423 * flow.c (life_analysis, rest_of_handle_life): Ditto.
424 * haifa-sched.c: Include output.h
425 (schedule_insns, sched_init): Do not use dump argument.
426 * mode-switching.c (optimize_mode_switching): Ditto.
427 * modulo-sched.c (stats_file): Removed.
428 (print_node_sched_params): Do not call argument dump_file.
429 (sms_schedule_by_order, loop_canon_p, sms_schedule,
430 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
432 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
434 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
435 rtl_loop_init, rtl_loop_done): Ditto.
436 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
437 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
439 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
440 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
441 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
442 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
443 * emit-rtl.c (renumber_insns): Ditto.
444 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
445 expand_gimple_basic_block, tree_expand_cfg): Ditto.
446 * regclass.c (regclass): Ditto.
447 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
448 remove_ssa_form, rewrite_out_of_ssa): Ditto.
449 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
450 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
452 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
453 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
455 * gcse.c (gcse_file, debug_stderr): Removed.
456 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
457 rest_of_handle_gcse): Do not use dump argument.
458 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
459 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
460 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
461 compute_code_hoist_vbeinout, compute_code_hoist_data,
462 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
463 compute_store_table, build_store_vectors, insert_insn_start_bb,
464 insert_store, remove_reachable_equiv_notes, replace_store_insn,
465 store_motion): Use dump_file instead of gcse_file.
466 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
467 * profile.c (profile_dump_file): Removed.
468 (branch_prob): Use dump_file instead of profile_dump_file.
469 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
471 * tree-ssa-copy.c (dump_copy_of): Ditto.
472 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
473 dump file to life_analysis.
474 * bt-load.c (branch_target_load_optimize): Ditto.
475 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
477 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
478 regclass, dbr_schedule): Declaration changed.
479 * sched-int.h (sched_init): Declaration changed.
480 * tree-profile.c (tree_profile_dump_file): Removed.
481 (tree_profile_hooks): Removed profile_dump_file hook.
482 * rtl-profile (rtl_profile_dump_file): Removed.
483 (rtl_profile_hooks): emoved profile_dump_file hook.
484 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
486 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
487 * tree-cfg.c (build_tree_cfg): Ditto.
488 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
489 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
491 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
492 life_analysis and schedule_insns.
493 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
495 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
497 * config/mips/mips.c (mips_reorg): Ditto.
498 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
501 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
503 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
504 (s390_mangle_fundamental_type): New.
505 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
508 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
509 (alpha_mangle_fundamental_type): New.
510 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
513 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
515 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
517 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
518 (sparc_mangle_fundamental_type): New.
520 2006-02-06 Jakub Jelinek <jakub@redhat.com>
522 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
523 (s390x-*-linux*): Likewise.
524 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
525 * config/s390/t-linux: New file.
527 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
529 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
530 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
532 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
534 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
535 (ANTIC_SAFE_LOADS): New macro.
536 (find_or_generate_expression): Add prototype.
537 (set_contains_value): Allow null set for sake of not always having
538 to allocate ANTIC_SAFE_LOADS.
539 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
540 Allow COMPONENT_REF too.
541 (valid_in_set): Allow COMPONENT_REF.
542 Check ANTIC_SAFE_LOADS too.
543 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
544 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
546 (can_PRE_operation): Add COMPONENT_REF.
547 (create_component_ref_by_pieces): New function.
548 (create_expression_by_pieces): Use create_component_ref_by_pieces.
549 (insert_aux): Move AGGREGATE_TYPE_P check here.
550 (compute_avail): Set bb local stmt uids.
551 (pass_pre): Use TODO_update_ssa_only_virtuals.
553 2006-02-06 Ben Elliston <bje@au.ibm.com>
555 * configure.ac: Unconditionally disable decimal float by default.
556 * configure: Regenerate.
558 2006-02-06 Ben Elliston <bje@au.ibm.com>
560 * read-rtl.c (read_name): Terminate reading on EOF.
562 2006-02-06 Ben Elliston <bje@au.ibm.com>
564 * dfp.c (decimal_real_arithmetic): Change second argument type
565 from int to enum tree_code. Do not always return true, but now
566 return result of any call to decimal_do helper functions.
567 * dfp.h (decimal_real_arithmetic): Update prototype.
569 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
571 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
573 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
576 * tree-cfg.c (cleanup_dead_labels): Also don't remove
579 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
581 * tree-vrp.c (cfg_loops): Removed.
582 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
583 Use current_loops instead of cfg_loops. Pass flags to
585 * cfgloopmanip.c (fix_loop_structure): Update only available
587 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
589 * modulo-sched.c (build_loops_structure): Removed.
590 (sms_schedule): Use loop_optimizer_init.
591 * loop-init.c (loop_optimizer_init): Use flags to determine
592 which properties of loops to prepare.
593 (rtl_loop_init): Pass flags to loop_optimizer_init.
594 * tree-ssa-sink.c (execute_sink_code): Ditto.
595 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
596 * tree-ssa-pre.c (init_pre): Ditto.
597 * cfgloop.h (LOOPS_NORMAL): New.
598 (loop_optimizer_init): Declaration changed.
600 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
602 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
603 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
605 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
607 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
609 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
610 * pa/t-pa64: Delete quadlib.c rule.
611 * pa/x-ada: Revert last change.
612 * pa/t-pa: Revert last change. Delete quadlib.c rule.
614 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
616 PR rtl-optimization/26087
617 * rtlanal.c (canonicalize_condition): Do not cross basic block
620 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
623 * config/ia64/ia64.c: Include debug.h.
624 (MAX_ARTIFICIAL_LABEL_BYTES): New.
625 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
626 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
627 (process_epilogue, process_set, process_for_unwind_directive):
628 Output unwind info only if requested. Add CFA info if requested.
629 Add new arguments as needed. Adjust callers.
630 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
632 (DWARF2_FRAME_INFO): Define to zero.
633 * config/ia64/unwind-ia64.c: Remove code that compensated for
634 the CFA offset error fixed above.
635 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
636 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
637 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
638 -funwind-tables and -fexceptions to enable frame info.
639 (dwarf2out_frame_init): Define initial CFA even if
640 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
641 DWARF2_UNWIND_INFO is nonzero, not just defined.
642 (dwarf2out_frame_finish): Output non-EH call frame info only
643 if DWARF2_FRAME_INFO is nonzero.
644 (convert_cfa_to_loc_list,
645 compute_frame_pointer_to_cfa_displacement): Define even if
646 unwind info is not supported.
647 (gen_subprogram_die): Use the above unconditionally. Remove
648 legacy alternate code.
649 * toplev.c (compile_file): Compile in call to
650 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
651 (lang_dependent_init): Ditto for dwarf2out_frame_init.
653 2006-02-04 David Edelsohn <edelsohn@gnu.org>
654 Jakub Jelinek <jakub@redhat.com>
656 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
657 IBM extended float format long double as "g" on powerpc*-linux.
659 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
662 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
663 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
665 2006-02-03 Jason Merrill <jason@redhat.com>
668 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
671 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
672 on the return slot if it's an NRV.
674 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
676 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
677 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
678 rewrite_use): Do not handle USE_OUTER.
679 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
680 add_iv_outer_candidates, may_replace_final_value,
681 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
682 (find_interesting_uses_op): Functionality of
683 find_interesting_uses_outer_or_nonlin moved here.
684 (find_interesting_uses_outside): Use find_interesting_uses_op.
686 2006-02-03 Alan Modra <amodra@bigpond.net.au>
689 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
691 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
692 Ulrich Weigand <uweigand@de.ibm.com>
695 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
696 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
697 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
698 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
700 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
701 (s390_rtx_costs): Use the new fields to calculate rtx costs.
702 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
703 Define secondary reloads for TFmode moves.
704 (constant_modes): Add TFmode.
705 (NR_C_MODES): Set to 8.
706 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
708 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
709 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
710 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
711 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
712 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
713 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
714 (FPR mode macro): Add TFmode.
715 (DSF mode macro): New.
716 (<de>, <dee> mode attributes): Removed.
717 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
718 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
719 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
720 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
721 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
722 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
723 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
724 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
725 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
726 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
727 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
728 "*negabs<mode>2", "sqrt<mode>2"):
729 Changed <de> to <xde>. R constraint replaced by <Rf>.
730 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
732 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
733 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
734 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
736 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
737 "extenddftf2", "extendsftf2"): New expanders.
738 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
739 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
740 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
741 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
743 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
744 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
745 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
746 __floatditf): Add a GCC_4.1.0 symbol version tag.
747 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
750 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
753 * config/i386/i386.c (ix86_function_ok_for_sibcall):
754 Use targetm.binds_local_p instead of TREE_PUBLIC.
756 2006-02-02 Roger Sayle <roger@eyesopen.com>
758 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
759 on INTEGER_TYPEs to indicate that it denotes a character type.
760 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
761 signed_char_type_node, unsigned_char_type_node and char_type_node.
762 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
763 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
764 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
766 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
767 Daniel Berlin <dberlin@dberlin.org>
769 * tree-tailcall.c (arg_needs_copy_p): New function.
770 (eliminate_tail_call): Use arg_needs_copy_p.
771 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
772 (add_virtual_phis): New function.
774 2006-02-02 Jakub Jelinek <jakub@redhat.com>
776 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
777 #ignore instead of #scratch for %g7 .register directive.
779 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
781 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
784 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
786 * flow.c (calculate_global_regs_live): Assert that there aren't any
789 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
791 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
793 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
794 bsi_after_labels iterator.
795 * tree-if-conv.c (find_phi_replacement_condition,
796 replace_phi_with_cond_modify_expr): Likewise.
797 * tree-scalar-evolution.c (scev_const_prop): Likewise.
798 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
800 2006-02-02 Diego Novillo <dnovillo@redhat.com>
802 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
804 2006-02-02 Diego Novillo <dnovillo@redhat.com>
807 * tree-cfg.c (move_block_to_fn): Clear out the basic block
808 array after growing it.
810 2006-02-01 Steve Ellcey <sje@cup.hp.com>
813 * fold-const.c (fold_checksum_tree): Change type of buf.
815 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
817 * reload.c (push_secondary_reload): Initialize t_icode.
819 2006-02-01 Jakub Jelinek <jakub@redhat.com>
821 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
822 -msoft-float -mlong-double-128 only issue a warning, but don't
823 swich to DFmode long double.
825 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
827 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
828 has a constant equivalent, iterate over equivalents for arg0,
829 calling simplify_relational_operation and if there's a result
830 cheaper than X, apply fold_rtx and return the result.
832 2006-02-01 Jan Hubicka <jh@suse.cz>
834 * opts.c (no_unit_at_a_time_default): New global variable.
835 (decode_options): Use it.
836 * opts.h (no_unit_at_a_time_default): Declare.
838 2006-02-01 Paul Brook <paul@codesourcery.com>
840 * function.c (assign_parm_setup_reg): Use function argument promotion
842 * expr.c (expand_expr_real_1): Use function argument promotion rules
845 2006-02-01 Steve Ellcey <sje@cup.hp.com>
847 * gcc.c (process_command): Change j to 'unsigned int'.
849 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
852 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
853 Use the corrected index for the character
854 out of the string constant.
856 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
858 * mode-switching.c (optimize_mode_switching): Fix size
859 allocated for bb_info[n_entities].
861 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
863 * gcc.c (main): Correct type that is allocated for
866 2006-01-31 Jakub Jelinek <jakub@redhat.com>
868 * config/s390/s390.c (init_alignment_context): Set
869 ALIAS_SET_MEMORY_BARRIER on the MEM.
870 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
872 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
875 * loop-unroll.c (unroll_loop_runtime_iterations): Free
877 * tree-ssa-live.c (type_var_init): Allocate bitmap after
880 2006-01-31 Marcin Dalecki <martin@dalecki.de>
882 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
883 * regrename.c: Ditto.
884 * tree-ssa-loop-im.c: Ditto.
885 * tree-dump.c: Ditto.
886 * tree-complex.c: Ditto.
888 * tree-ssa-threadupdate.c: Ditto.
890 * java/class.c: Ditto.
891 * java/jcf-parse.c: Ditto.
892 * java/resource.c: Ditto.
893 * java/except.c: Ditto.
894 * java/jvspec.c: Ditto.
895 * java/jcf-write.c: Ditto.
896 * java/jcf-path.c: Ditto.
897 * java/gjavah.c: Ditto.
898 * java/zextract.c: Ditto.
899 * java/jcf-io.c: Ditto.
901 * java/buffer.c: Ditto.
902 * java/lang.c: Ditto.
903 * java/parse-scan.y: Ditto.
906 * cfgloopmanip.c: Ditto.
907 * postreload-gcse.c: Ditto.
908 * tree-ssa-loop-manip.c: Ditto.
909 * postreload.c: Ditto.
910 * tree-ssa-loop-ch.c: Ditto.
914 * diagnostic.c: Ditto.
916 * genoutput.c: Ditto.
919 * cfgloopanal.c: Ditto.
920 * objc/objc-act.c: Ditto.
922 * genextract.c: Ditto.
923 * genautomata.c: Ditto.
924 * pretty-print.c: Ditto.
926 * cgraphunit.c: Ditto.
929 * haifa-sched.c: Ditto.
930 * dominance.c: Ditto.
932 * tree-ssa-loop-ivopts.c: Ditto.
934 * mode-switching.c: Ditto.
935 * modulo-sched.c: Ditto.
937 * ipa-pure-const.c: Ditto.
939 * fix-header.c: Ditto.
941 * tree-stdarg.c: Ditto.
942 * ipa-utils.c: Ditto.
943 * loop-init.c: Ditto.
944 * ipa-inline.c: Ditto.
947 * alloc-pool.c: Ditto.
948 * dwarf2out.c: Ditto.
950 * genattrtab.c: Ditto.
951 * tree-ssa-loop-ivcanon.c: Ditto.
955 * fortran/gfortranspec.c: Ditto.
957 * local-alloc.c: Ditto.
958 * langhooks.c: Ditto.
960 * tree-vectorizer.c: Ditto.
962 * ipa-type-escape.c: Ditto.
964 * tree-if-conv.c: Ditto.
967 * tree-data-ref.c: Ditto.
968 * loop-unroll.c: Ditto.
969 * treelang/treetree.c: Ditto.
972 * ggc-common.c: Ditto.
976 * tree-cfgcleanup.c: Ditto.
977 * tree-ssa-pre.c: Ditto.
978 * cfgcleanup.c: Ditto.
979 * loop-invariant.c: Ditto.
982 * print-tree.c: Ditto.
985 * sched-deps.c: Ditto.
987 * tree-object-size.c: Ditto.
989 * bb-reorder.c: Ditto.
991 * var-tracking.c: Ditto.
993 * df-problems.c: Ditto.
994 * reg-stack.c: Ditto.
997 * sched-rgn.c: Ditto.
998 * tree-ssa-structalias.c: Ditto.
999 * tree-ssa-reassoc.c: Ditto.
1000 * config/darwin-c.c: Ditto.
1001 * config/darwin.c: Ditto.
1002 * config/arm/arm.c: Ditto.
1004 * collect2.c: Ditto.
1007 2006-01-31 Nicolas Pitre <nico@cam.org>
1009 * arm.md (smaxsi3): Make aware of smax_m1.
1012 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
1014 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1016 2006-01-31 Richard Guenther <rguenther@suse.de>
1018 * doc/invoke.texi (-msselibm): Document.
1019 * target.h (expand_library_builtin): New target hook.
1020 * builtins.c (expand_builtin): Use expand_library_builtin.
1021 (default_expand_library_builtin): New function.
1022 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1023 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1024 (link_gcc_math_spec): Declare.
1025 (static_specs): Add link_gcc_math_spec.
1026 * expr.h (default_expand_library_builtin): Declare.
1027 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1028 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1029 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1030 * config/i386/i386.opt (msselibm): New target option.
1031 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1032 (ix86_init_sse_abi_builtins): New function.
1033 (ix86_expand_library_builtin): Likewise.
1034 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1035 (override_options): Handle error conditions wrt -msselibm.
1036 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1037 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1038 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1041 2006-01-31 Richard Guenther <rguenther@suse.de>
1042 Paolo Bonzini <bonzini@gnu.org>
1044 * doc/install.texi (--disable-libgcc-math): Document.
1046 2006-01-30 Marcin Dalecki <martin@dalecki.de>
1048 * expr.h (expand_normal): new inline function.
1049 * builtins.c: use it, use EXPAND_NORMAL explicitely.
1051 * dwarf2out.c: use it.
1056 * config/sparc/sparc.c: use it.
1057 * config/i386/i386.c: use it.
1058 * config/rs6000/rs6000.c: use it.
1059 * config/arm/arm.c: use it.
1060 * config/mips/mips.c: use it.
1061 * stmt.c: use it, use EXPAND_NORMAL explicitely.
1063 2006-01-30 Roger Sayle <roger@eyesopen.com>
1065 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1066 argv to the appropriate type.
1068 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
1070 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1073 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
1076 * config/s390/s390.c (struct machine_function): New flag
1077 decomposed_literal_pool_addresses_ok_p.
1078 (s390_reorg): Set it before final stage of literal pool transforms.
1079 (s390_decompose_address): Only accept displacements of the form
1080 (minus (label_ref ...) (label_ref ...)) if that flag is set.
1082 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
1084 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1085 the comparison routine return.
1087 2006-01-30 Michael Matz <matz@suse.de>
1089 * global.c (find_reg): Only evict for global regs.
1090 Take n_refs into account and dump more info.
1092 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
1095 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1096 (pragma_trap, pragma_nosave_low_regs): Likewise.
1097 (current_function_anonymous_args): Likewise.
1098 (sh_deferred_function_attributes): New variable.
1099 (sh_deferred_function_attributes_tail): Likewise.
1100 (print_operand): For '@', look up trap_exit attribute.
1101 (calc_live_regs): Look up trapa_handler attribute. For trapa
1102 handlers, save/restore fpscr, but don't do any other
1103 interrupt-specific saves.
1104 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1105 Fix check for partially saved registers to check for SHmedia.
1106 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1107 (sh_output_function_epilogue): Don't clear any of the removed
1109 (sh_insert_attributes): Don't check pragma_interrupt.
1110 Insert deferred attributes. Check that interrupt attribute is
1111 present for other attributes that require its presence.
1112 (sh_attribute_table): Add new attributes trapa_handler and
1114 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1115 Don't check for pragma_interrupt. Don't store argument.
1116 * sh.h (pragma_interrupt, sp_switch): Don't declare.
1117 (sh_deferred_function_attributes): Declare.
1118 (sh_deferred_function_attributes_tail): Likewise.
1119 * sh.md (sp_switch_1): Add operand. Change generator caller.
1120 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1121 (*return_i): Don't use when trap_exit attribute is in effect.
1122 (*return_trapa): New insn pattern.
1124 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1125 setting c_target_objs and cxx_target_objs.
1126 * t-sh: Add rule for sh-c.o.
1128 2006-01-30 Richard Guenther <rguenther@suse.de>
1131 * gimplify.c (gimplify_target_expr): Handle easy cases
1132 without creating a temporary.
1134 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
1136 * vec.h (safe_grow): Remove duplicated line.
1138 2006-01-29 Diego Novillo <dnovillo@redhat.com>
1141 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1142 (expand_omp): ... here.
1143 (expand_omp_parallel): Only remove barriers for combined
1144 parallel+workshare constructs.
1146 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
1150 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1151 * tree.c (build_qualified_type): Chain the new type to the original
1152 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1153 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1154 (build_pointer_type_for_mode): Only return unqualified types.
1155 (build_reference_type_for_mode): Likewise.
1157 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
1159 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1160 * Makefile.in (CXX_COMPAT_WARN): Define.
1161 * configure: Regenerate.
1163 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
1166 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1169 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1171 * toplev.c: Fix thinko.
1173 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1174 Marcin Dalecki <martin@dalecki.de>
1176 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1177 (push_srcloc): Use XNEW.
1178 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1180 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1182 * df-core.c (df_set_blocks): Deleted all variable.
1184 2006-01-28 Ian Lance Taylor <ian@airs.com>
1186 * cgraphunit.c (cgraph_assemble_pending_functions): Call
1187 cgraph_output_pending_asms.
1189 2006-01-28 Zack Weinberg <zackw@panix.com>
1191 * c.opt: Add -W(no-)overlength-strings.
1192 * doc/invoke.texi: Document it.
1193 * c-opts.c (c_common_handle_option): -pedantic implies
1194 -Woverlength-strings, if not explicitly disabled already.
1195 (c_common_post_options): -Woverlength-strings defaults to off, and
1196 is always off for C++.
1197 * c-common.c (fix_string_type): Issue warning about strings longer
1198 than is portable only if warn_overlength_strings. Rearrange code
1199 a little for clarity.
1200 * configure.in: Check for -Wno-overlength-strings as well before
1201 enabling -pedantic in stage 1.
1202 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1203 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1205 * genconditions.c (write_header, write_one_condition)
1206 (write_conditions, write_writer): Consolidate very long strings
1207 that were broken up to fit in C89 portable limit. Don't use
1208 printf when fputs will do.
1210 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
1212 * combine.c (simplify_comparison <AND>): Check
1213 TRULY_NOOP_TRUNCATION before start using a subreg.
1215 * config/mips/mips.md (*branch_zero<mode>,
1216 *branch_zero<mode>_inverted, *branch_equality<mode>,
1217 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1218 Remove mode check from comparisons.
1220 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
1222 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1224 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1226 * expmed.c (const_mult_add_overflow_p): Remove.
1227 * expr.h: Remove the prototype for const_mult_add_overflow_p.
1229 * recog.c (validate_replace_rtx_subexp): Remove.
1230 * recog.h: Remove the prototype for
1231 validate_replace_rtx_subexp.
1233 * integrate.h: Remove the prototype for
1234 copy_decl_for_inlining.
1235 * rtl.h: Remove the prototype for mark_constant_function.
1236 * tree-vectorizer.h: Remove the prototype for
1237 vect_strip_conversion.
1239 * modulo-sched.c (create_partial_schedule,
1240 free_partial_schedule, reset_partial_schedule): Make them
1243 * hooks.c (hook_bool_rtx_int_false): Remove.
1244 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1246 2006-01-28 David Edelsohn <edelsohn@gnu.org>
1248 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1249 and -mlong-double-128 are incompatible.
1250 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1251 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1252 (TARGET_LIBGCC2_CFLAGS): Define.
1253 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1254 (TARGET_LIBGCC2_CFLAGS): Same.
1255 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1257 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1260 * c-typeck.c (build_binary_op): Perform implicit casts of
1261 operands before shortening them.
1263 * cfgloopmanip.c (split_loop_bb): Remove.
1264 * cfgloop.h: Remove the prototype for split_loop_bb.
1266 * cfgloop.c (flow_loop_outside_edge_p): Remove.
1267 * cfgloop.h: Remove the prototype for
1268 flow_loop_outside_edge_p.
1270 * emit-rtl.c (init_virtual_regs): Make it static.
1271 * function.h: Remove the prototype for init_virtual_regs.
1273 * recog.c (peephole2_optimize): Make it static.
1274 * recog.h: Remove the prototype for peephole2_optimize.
1276 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1278 * df-scan.c (df_record_entry_block_defs): Check if
1279 INCOMING_RETURN_ADDR_RTX is defined.
1281 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
1282 Kenneth Zadeck <zadeck@naturalbridge.com>
1284 PR rtl-optimization/24762
1285 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1286 * targhooks.c (hook_void_bitmap): New hook prototype.
1287 * targhoohs.h (hook_void_bitmap): Ditto.
1288 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1289 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1290 * target.h (live_on_entry): New function pointer.
1291 * df-scan.c (df_all_hard_regs): Removed.
1292 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1293 (df_scan_free_internal): Added df->entry_block_defs.
1294 (df_scan_alloc): Ditto.
1295 (df_scan_dump): Ditto.
1296 (df_uses_record): Plumbed flag field properly thru calls.
1297 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1298 This part fixes PR24762.
1299 (df_bb_refs_record): Added code to make the frame and arg
1300 pointers live in EH blocks.
1301 (df_refs_record): Added call to df_record_entry_block_defs.
1302 (df_record_entry_block_defs): New function.
1303 * df-core.c: Added comments to describe new artifical defs.
1304 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1305 (entry_block_defs): New field in struct df.
1306 (df_all_hard_regs): Deleted.
1307 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1308 * df-problems.c (df_ru_bb_local_compute_process_def):
1309 Added code to handle artifical defs in the entry to a function.
1310 (df_ru_bb_local_compute): Ditto.
1311 (df_rd_bb_local_compute_process_def): Ditto.
1312 (df_rd_bb_local_compute): Ditto.
1313 (df_lr_bb_local_compute): Ditto.
1314 (df_ur_bb_local_compute): Ditto.
1315 (df_urec_bb_local_compute): Ditto.
1316 (df_chain_create_bb): Ditto.
1317 (df_ur_local_finalize): Removed entry.
1318 (df_urec_init): Ditto.
1319 (df_urec_local_finalize): Ditto.
1320 (df_ri_bb_compute): Added detection of last use of pseudos.
1321 * Makefile.in (df-scan.o): Updated dependencies.
1322 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1323 * config/mips/mips.c (mips_set_live_on_entry): Added.
1324 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1326 * dce.c (marked_insn_p): Added code to handle artifical defs.
1328 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1330 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1332 (_mm_cvtsi128_si64): Likewise.
1333 (_mm_cvtsd_si64): Likewise.
1334 (_mm_cvttsd_si64): Likewise.
1335 (_mm_cvtsi64_sd): Likewise.
1336 (_mm_cvtsi64_si128): Likewise.
1337 * config/i386/mmintrin.h (_m_from_int64): Likewise.
1338 (_mm_cvtsi64_m64): Likewise.
1339 (_m_to_int64): Likewise.
1340 (_mm_cvtm64_si64): Likewise.
1341 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1342 (_mm_cvttss_si64): Likewise.
1343 (_mm_cvtsi64_ss): Likewise.
1344 (_mm_cvtss_f32): Likewise.
1346 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
1348 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1349 for pragma redefine_extname.
1351 2006-01-27 Jakub Jelinek <jakub@redhat.com>
1354 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1355 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1356 -mno-minimal-toc to previous content.
1357 (bispecs): Remove goal.
1358 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1359 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1360 compatibility aliases on powerpc-*-*gnu*.
1361 * config/rs6000/libgcc-ppc-glibc.ver: New file.
1362 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1363 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1364 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1365 (ldblspecs): New goal.
1366 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1367 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1369 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1370 L_sf_to_tf or L_df_to_tf is defined.
1372 2006-01-27 David Edelsohn <edelsohn@gnu.org>
1373 Alan Modra <amodra@bigpond.net.au>
1376 * config/rs6000/linux.h (POWERPC_LINUX): Define.
1377 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1378 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1379 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1380 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1381 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
1382 (rs6000_override_options): Initialize rs6000_ieeequad.
1383 Initialize TFmode format to ibm_extended_format if not
1385 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
1387 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
1388 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
1389 (function_arg_advance): IBM long double passed in two FPRs, not
1391 (function_arg): IBM long double passed in FPRs.
1392 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
1393 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
1394 Only multireg GPR aligned.
1395 (rs6000_init_libfuncs): Enable IBM long double functions if not
1397 (rs6000_generate_compare): Use IBM long double compare if not
1399 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
1400 (TARGET_IEEEQUAD): Define.
1401 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
1402 not TARGET_IEEEQUAD.
1403 * config/rs6000/rs6000.md: Enable TFmode patterns if
1405 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
1406 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1407 and -mlong-double-128 are incompatible.
1408 * doc/invoke.texi (-mabi): Collect options together. Add
1409 ibmlongdouble and ieeelongdouble.
1411 2006-01-27 Richard Sandiford <richard@codesourcery.com>
1413 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
1415 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
1416 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
1417 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
1418 * rtl.h (rtunion_def): Remove rt_ptr.
1420 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
1421 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
1422 * config/i386/winnt.c (i386_pe_mark_dllexport)
1423 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
1425 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
1427 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
1429 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1433 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
1434 pthread_key_delete. From John David Anglin. gthrw-ify
1435 pthread_getunique_np only if it it's not a macro. Delete
1437 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
1438 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
1439 __gthread_objc_condition_signal, __gthread_key_delete): Add
1440 "__attribute__ ((__unused__))" to unused arguments.
1441 (__gthread_recursive_mutex_init_function): Add missing return.
1442 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
1443 gthr-posix95.h: Use macro-based approach for name redirection
1444 on targets missing weakref.
1446 2006-01-26 Zack Weinberg <zackw@panix.com>
1448 * genconditions.c (write_header): In generated code, #ifdef out
1449 all includes and fake declarations, except includes of bconfig.h
1450 and system.h, unless GCC_VERSION >= 3001. Do not include
1451 gensupport.h in any case.
1452 (write_conditions): Generate a definition of struct c_test. Add
1453 a comment to the generated #endif.
1454 (write_one_condition): Escape backslashes in string too.
1455 (write_writer): Generated code must escape backslashes and quote
1456 marks (but not newlines) in the strings it writes.
1457 * Makefile.in (build/gencondmd.o): Update dependencies.
1459 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1462 * Makefile.in (insn-automata.o): Add header file dependencies.
1463 * genautomata.c: Add includes.
1465 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1468 * Makefile.in (insn-automata.o): Add -Wno-error flag.
1470 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1472 * configure.ac: Expect target tools paths to be passed from the toplevel
1473 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
1475 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
1477 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1480 * c.opt (Wpointer-sign): Init to -1.
1481 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
1482 OPT_pedantic, to 0 otherwise.
1483 * doc/invoke.texi: Update.
1485 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1487 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
1488 constants provided by 80387 instructions in the destination mode.
1490 2006-01-26 Richard Guenther <rguenther@suse.de>
1491 Andrew Pinski <pinskia@physics.uc.edu>
1494 partial PR tree-opt/17064
1495 * tree-ssa-structalias.c (intra_create_variable_infos):
1496 Create heap variables for incoming parameters if
1497 flag_argument_noalias > 1.
1498 (find_what_p_points_to): Look through default defs of
1501 2006-01-26 Jeff Law <law@redhat.com>
1504 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
1505 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
1506 within the VR_RANGE, use the VR_RANGE as the result, not the
1508 (adjust_range_with_scev): Reject ranges from SCEV which are out of
1509 bounds for the type.
1511 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
1513 * tree-ssa-alias.c (maybe_create_global_var): Change
1514 subvar walking to an assertion that we don't have subvar'd variables.
1516 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
1519 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1520 Use a new variable, inner. PARM_DECLs are always non-weak.
1522 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
1524 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1527 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
1529 * config/mips/mips.md (*clear_upper32): New combiner pattern.
1531 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
1533 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1534 (smax_insn, smin_insn, smax_0, smin_0): New.
1536 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
1539 * config/cris/cris.c (cris_order_for_addsi3): New function.
1540 * config/cris/cris-protos.h: Prototype it.
1541 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1542 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1543 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1544 (split for "op.S1 [rx=rx+i],ry (swapped)")
1545 (split for "op(s|u).S1 [rx=rx+i],ry")
1546 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1547 Apply cris_order_for_addsi3 when generating addsi3 insns.
1549 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1551 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1552 (TREE_BLOCK): Add call to EXPR_CHECK.
1554 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1557 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1558 * tree-pretty-print.c (dump_omp_clause): Extract from ...
1559 (dump_omp_clauses): ... here.
1560 (dump_generic_node): Handle OMP_CLAUSE.
1561 * tree.c (omp_clause_num_ops): New.
1562 (omp_clause_code_name): New.
1563 (tree_code_size): Handle OMP_CLAUSE.
1564 (tree_size): Likewise.
1565 (make_node): Document handling of OMP_CLAUSE.
1566 (tree_node_structure): Handle OMP_CLAUSE.
1567 (omp_clause_check_failed): New.
1568 (omp_clause_range_check_failed): New.
1569 (omp_clause_operand_check_failed): New.
1570 (build_omp_clause): New.
1571 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1572 * tree.h (enum omp_clause_code): Declare.
1573 (OMP_CLAUSE_SUBCODE_CHECK): Define.
1574 (OMP_CLAUSE_RANGE_CHECK): Define.
1575 (OMP_CLAUSE_ELT_CHECK): Define.
1576 (omp_clause_check_failed): Declare.
1577 (omp_clause_operand_check_failed): Declare.
1578 (omp_clause_range_check_failed): Declare.
1579 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1580 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1581 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1582 (OMP_CLAUSE_LASTPRIVATE): Likewise.
1583 (OMP_CLAUSE_IF_EXPR): Likewise.
1584 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1585 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1586 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
1587 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
1588 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
1589 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
1590 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
1591 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
1592 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
1593 (OMP_CLAUSE_CODE): Define.
1594 (OMP_CLAUSE_SET_CODE): Define.
1595 (OMP_CLAUSE_CODE): Define.
1596 (OMP_CLAUSE_OPERAND): Define.
1597 (struct tree_omp_clause): Declare.
1598 (union tree_node): Add field 'omp_clause'.
1599 * treestruct.def (TS_OMP_CLAUSE): Define.
1600 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
1601 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
1602 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
1603 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
1604 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
1605 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
1606 (OMP_CLAUSE): Define.
1607 * print-tree.c (print_node): Handle OMP_CLAUSE.
1608 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
1609 * c-typeck.c: Likewise.
1610 * gimplify.c: Likewise.
1611 * c-omp.c: Likewise.
1612 * tree-nested.c: Likewise.
1613 * tree-inline.c: Likewise.
1614 * c-parser.c: Likewise.
1615 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
1618 2006-01-25 Roger Sayle <roger@eyesopen.com>
1620 PR rtl-optimization/25703
1621 * combine.c (try_combine): Handle zero_extract and strict_low_part
1622 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
1624 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
1626 * global.c: Fix comment typos.
1628 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
1631 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
1632 Use output_addr_const instead of assemble_name.
1634 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
1636 * Makefile.in (sched-vis.o): Update dependencies.
1637 * haifa-sched.c (sched_finish): Clear current_sched_info.
1638 * cfg.c (dump_bb_info): New, split from dump_flow_info.
1639 (dump_flow_info): Call it.
1640 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
1642 * basic-block.h (dump_bb_info): Declare.
1643 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
1644 option, and apply options only for dump files whose TDF_RTL,
1645 TDF_TREE, or TDF_IPA bits match.
1646 * rtl.h: Declare new functions exported from sched-vis.c.
1647 * sched-vis.c: Enable also if scheduling is not used.
1648 (print_value): Print the mode of registers if not inside scheduling.
1649 (print_insn): Make it work outside the scheduler. Beautify the output
1651 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
1653 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1655 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
1656 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
1657 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
1658 depending on the value of CONSTANT_POOL_ADDRESS_P.
1659 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
1661 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
1662 rather than SYMBOL_REF_DECL.
1663 (rtx_constant_pool): Remove const_rtx_sym_htab.
1664 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
1665 (init_varasm_status): Don't initialize const_rtx_sym_htab.
1666 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
1667 Remove handling of const_rtx_sym_htab.
1668 (find_pool_constant): Delete.
1669 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
1670 rather than find_pool_constant.
1671 (get_pool_constant_for_function): Delete.
1672 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
1674 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
1675 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
1676 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
1677 (SYMBOL_REF_CONSTANT): New macro.
1678 (get_pool_constant_for_function): Delete.
1679 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
1680 rather than SYMBOL_REF_DECL.
1681 (i386_pe_mark_dllimport): Likewise.
1682 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
1683 rather than SYMBOL_REF_DECL.
1684 * config/darwin.c (machopic_indirect_data_reference): Likewise.
1685 (machopic_indirect_call_target): Likewise.
1687 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
1689 * flow.c (delete_noop_moves): Add missing EOL to dump message.
1691 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1693 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
1695 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
1697 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
1699 2006-01-24 David Daney <ddaney@avtrex.com>
1702 * configure.ac (enable_tls): New enable option.
1703 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
1704 * configure: Regenerate.
1705 * doc/install.texi (--enable-tls): Document new option.
1706 (--disable-tls): Ditto.
1708 2006-01-24 Richard Henderson <rth@redehat.com>
1710 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
1711 * alias.c (true_dependence): Respect it.
1712 (canon_true_dependence, write_dependence_p): Likewise.
1713 * builtins.c (get_builtin_sync_mem): Set it.
1715 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
1717 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
1720 2006-01-24 DJ Delorie <dj@redhat.com>
1722 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
1723 for storing constants in single-bit bitfields.
1725 2006-01-25 Ben Elliston <bje@au.ibm.com>
1727 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
1729 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
1732 * tree-ssa-pre.c (phi_translate): Return NULL
1733 for AGGREGATE_TYPE's.
1735 2006-01-24 Zack Weinberg <zackw@panix.com>
1737 * genautomata.c (process_state_for_insn_equiv_partition):
1738 Use xcalloc for insn_arcs_array.
1739 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
1740 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
1742 2006-01-24 Richard Henderson <rth@redhat.com>
1744 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
1747 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
1749 PR rtl-optimization/25890
1750 PR rtl-optimization/25905
1751 * combine.c (expand_compound_operation, expand_field_assignment):
1752 Fail if the bitfield's final position is out of bounds.
1754 2006-01-24 Ian Lance Taylor <ian@airs.com>
1757 * cgraphunit.c (cgraph_output_in_order): Don't clear
1758 cgraph_asm_nodes until after asm strings have been output.
1760 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
1762 * fix-header.c (read_scan_file): Add new parameter imultilib when
1763 calling register_include_chains.
1765 2006-01-23 Diego Novillo <dnovillo@redhat.com>
1767 * omp-low.c: Update documentation.
1769 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1770 Daniel Berlin <dberlin@dberlin.org>
1774 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
1775 return from the function.
1777 2006-01-22 Zack Weinberg <zackw@panix.com>
1779 * rtl.def (match_code): Add second argument.
1780 * genpreds.c (write_extract_subexp): New function.
1781 (write_match_code): Add path argument. Use write_extract_subexp.
1782 (write_predicate_expr): Pass path to write_match_code.
1783 (mark_mode_tests): MATCH_CODE applied to a subexpression does
1784 not perform a mode test.
1785 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
1786 a subexpression does not constrain the top-level code set.
1787 * read-rtl.c (read_rtx_variadic): New function.
1788 (read_rtx_1): Use it; allow AND and IOR to be variadic.
1789 * doc/md.texi: Document new notation.
1790 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
1791 (cmpsi_operand): ... here, using new notation.
1793 2006-01-22 Zack Weinberg <zackw@panix.com>
1795 * varray.c: Remove GENERATOR_FILE #ifdefs.
1797 2006-01-22 Zack Weinberg <zackw@panix.com>
1799 * genautomata.c (output_reserved_units_table): Emit nothing if
1800 description->query_units_num is zero. Remove extra blank line.
1801 (output_cpu_unit_reservation_p): Short circuit
1802 if description->query_units_num is zero.
1804 2006-01-22 Zack Weinberg <zackw@panix.com>
1806 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
1807 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
1808 nor any of the random handful of variables that used to be necessary
1809 when this program was linked with rtlanal.o. Prune set of forward
1810 function declarations.
1811 (struct attr_desc): Remove static_p field.
1812 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
1813 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
1814 (attr_string): Do not read the character one past the length of
1816 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
1817 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
1818 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
1819 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
1820 (make_automaton_attrs): New.
1821 (main): Do not call into genautomata. Call local gen_bypass
1822 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
1823 Remove special case for insn_alts.
1824 * genautomata.c: Include gensupport.h; not genattrtab.h nor
1825 varray.h (leftover from previous change). Prune set of forward
1826 function declarations. Remove state_alts fields from all
1827 structures. Remove state_alts_table from struct automaton.
1828 Make everything except main static. Do not maintain num_dfa_decls.
1829 Do not maintain state_alts fields of various structures.
1830 (process_decls): Don't validate condexp for dm_insn_reserv decls.
1831 (add_arc): Remove state_alts argument. All callers updated.
1832 (output_reserved_units_table): Emit #ifdef here...
1833 (output_tables): ...not here. Don't generate state_alts tables.
1834 (expand_automata): Don't generate attributes.
1835 (write_automata): Don't generate state_alts functions.
1836 (main): New function.
1837 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1838 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1839 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1840 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1841 (BYPASS_P_FUNC_NAME, output_state_alts_table)
1842 (output_automata_list_state_alts_code, output_internal_state_alts_func)
1843 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1844 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1846 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1847 * genattrtab.h: Delete file.
1848 * Makefile.in (OBJS-common): Add insn-automata.o.
1849 (insn-automata.o): New rule.
1850 (simple_generated_c): Add insn-automata.c.
1851 (build/genattrtab.o, build/genautomata.o): Update dependencies.
1852 (genprogmd): Add automata.
1853 (build/genattrtab): Needs no extra objects nor libraries.
1854 (build/genautomata): Needs build/vec.o and -lm.
1856 2006-01-22 Zack Weinberg <zackw@panix.com>
1858 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1859 (output_dfa_max_issue_rate, locked_states_num): Delete.
1860 (struct automaton): Add locked_states field.
1861 (output_dead_lock_vect): Save number of locked states in
1862 automaton->locked_states. If it is zero, don't print anything.
1863 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1864 (output_internal_dead_lock_func): Only test the dead_lock_vect
1865 for automata that have locked states.
1866 (output_statistics): Always print the number of locked states for
1867 each automaton. Calculate total number of locked states here.
1868 (write_automata): Don't call output_dfa_max_issue_rate.
1869 * genattrtab.c: Define length_unit_log as a const variable.
1870 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
1871 max_insn_queue_index const.
1872 * final.c (length_unit_log): Declare const.
1873 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1875 2006-01-22 Zack Weinberg <zackw@panix.com>
1877 * genautomata.c: Include vec.h, not varray.h.
1878 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1879 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
1880 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
1881 VEC_* macros operating on appropriately typed vectors, or to
1882 malloced arrays when the size is known in advance. Const-ify
1883 many char* variables and function arguments. No functional changes.
1884 * Makefile.in (build/varray.o): Delete rule.
1885 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1886 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1888 2006-01-22 Zack Weinberg <zackw@panix.com>
1890 * gensupport.c: Define get_insn_name and record_insn_name here.
1891 (read_md_rtx): Call record_insn_name as appropriate.
1892 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1893 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1894 * genpreds.c, genrecog.c: Don't define get_insn_name nor
1896 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1897 (BUILD_VARRAY): Delete.
1898 (genprognormal): Rename genprogmd. Fold in all programs from
1899 genprognoprint; also attrtab.
1900 (build/genattrtab): Just mention genautomata.o and varray.o.
1901 Reorganize a bit, add comments to make the categories clearer.
1903 2006-01-22 Zack Weinberg <zackw@panix.com>
1905 * genconditions.c (condition_table, add_condition): Delete.
1906 (write_conditions): Don't emit n_insn_conditions nor
1907 insn_elision_unavailable. Issue the gcc version #ifdef here,
1908 inside the table, with no #else clause ...
1909 (write_header): ...not here.
1910 (write_writer): New function.
1911 (main): Don't initialize condition_table. Use add_c_test.
1913 * gensupport.c (init_md_reader_args_cb): Handle multiple input
1914 files on the command line.
1915 (maybe_eval_c_test): Don't check insn_elision_unavailable.
1916 Return -1 if there is no entry in the table, don't abort.
1917 (add_c_test, traverse_c_tests): New functions.
1918 * gensupport.h (insn_elision_unavailable, insn_conditions)
1919 (n_insn_conditions): Delete declarations.
1920 (add_c_test, traverse_c_tests): Declare.
1921 * read-rtl.c: Include gensupport.h.
1922 (read_conditions): New function.
1923 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1924 (read_rtx_1): If we get EOF when we were looking for an initial
1925 open paren, return 0. Call read_conditions when appropriate.
1926 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1927 dummy-conditions.o. Eliminate references to insn-conditions.o,
1928 or change them to build/gencondmd.o, as appropriate. Remove
1929 insn-constants.h from $(simple_generated_h) and insn-conditions.c
1930 from $(simple_generated_c). For all files remaining in those
1931 two lists, add insn-conditions.md to the generator command line.
1932 Give insn-constants.h/s-constants their own rules. Add rules
1933 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1934 (build/read-rtl.o): Depend on gensupport.h.
1935 (genprognormal): Include preds.
1936 (genprogearly): Rename genprognoprint; only difference is now that
1937 they don't link with $(BUILD_PRINT).
1938 * dummy-conditions.c: Delete.
1940 2006-01-22 Zack Weinberg <zackw@panix.com>
1942 * genextract.c: Don't include insn-config.h. Do include vec.h.
1943 Declare vectors of int, char, and locstr.
1944 (locstr): New typedef.
1945 (struct extraction): Make all array fields into bare pointers.
1946 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1947 (insn_code_number): Delete.
1948 (accum_extract): New struct.
1949 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1950 (gen_insn): Take insn_code_number as an argument. Use an
1951 accum_extract structure instead of loading data directly into
1952 a struct extraction, and having to know how big it might get.
1953 (walk_rtx): Operate entirely on an accum_extract structure.
1954 (print_path): Avoid unnecessary use of printf.
1955 (print_header): New function, split out of main. Distinguish
1956 more carefully between an unrecognizable insn and an insn that
1957 has the code number of a define_expand.
1958 (main): Pass insn_code_number to gen_insn. Call print_header
1959 only after parsing. Avoid unnecessary use of printf.
1960 * Makefile.in (build/vec.o): New rule.
1961 (build/genextract): Depend on build/vec.o.
1962 (build/genextract.o): Don't depend on insn-config.h.
1964 2006-01-22 Zack Weinberg <zackw@panix.com>
1966 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
1967 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
1968 practical. Eliminate per-generator-program link rules.
1970 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1973 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1974 with a call expr to ...
1975 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1977 2006-01-23 Richard Guenther <rguenther@suse.de>
1979 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
1980 before make_edge with conditional EDGE_TRUE_VALUE.
1982 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
1983 Jan Hubicka <jh@suse.cz>
1984 Richard Guenther <rguenther@suse.de>
1986 PR rtl-optimization/25654
1987 * cfgexpand.c (aggregate_contains_union_type): New function.
1988 (add_alias_set_conflicts): Call it. Make sure to add conflicts
1989 for structure variables that contain a union type.
1991 2006-01-23 Richard Sandiford <richard@codesourcery.com>
1993 * gengtype.c (new_structure): Return the structure.
1994 (create_option): Add an extra "next" argument.
1995 (create_field): New function.
1996 (adjust_field_rtx_def): Use create_option and create_field.
1997 Remove a now-unnecessary call to find_structure.
1998 (adjust_field_tree_def): Likewise.
1999 (note_yacc_type): Remove an unnecessary call to find_structure.
2000 * gengtype.h (new_structure): Return the structure.
2001 (create_option): Add an extra argument.
2002 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2003 (option): Adjust calls to create_option.
2005 2006-01-22 David Edelsohn <edelsohn@gnu.org>
2007 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2009 2006-01-22 Paul Brook <paul@codesourcery.com>
2010 Peter Barada <peter@the-baradas.com>
2012 * config/m68k/m68k.md: Add Coldfire FPU support.
2013 Define FP mode macro and associated attributes.
2014 Use it for float mode patterns.
2015 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2016 (LIBCALL_VALUE): Use m68k_libcall_value.
2017 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2018 (m68k_function_value): Ditto.
2019 (emit_move_sequence): Ditto.
2020 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2021 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2022 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2023 (MULTILIB_EXCEPTIONS): Ditto.
2024 * config/m68k/m68k.opt: Add mcfv4e.
2025 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2026 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2027 (m68k_output_function_prologue): Save ColdFire FPU registers.
2028 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2029 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2030 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2031 ColdFire FPU registers.
2032 (m68k_libcall_value, m68k_function_value): New functions.
2033 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2034 (LIBCALL_VALUE): Use m68k_libcall_value.
2035 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2036 (MASK_COLDFIRE): Add MASK_CFV4E.
2037 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2038 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2039 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2040 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2041 (GO_IF_LEGITIMATE_ADDRESS): Use it.
2042 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2043 * doc/invoke.tex: Document -mcfv4e on m68k.
2045 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2047 * doc/contribute.texi: Change CVS to SVN and update the corresponding
2050 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
2053 * c-opts.c (c_common_handle_option): Don't include
2054 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2055 * doc/invoke.texi (C++ Dialect Options): Document that
2056 -Wnon-virtual-dtor is no longer included in -Wall.
2058 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
2060 * gcov.c (print_version), gcov-dump.c (print_version),
2061 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2064 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
2066 * df-scan.c (problem_SCAN): Added NULL reset function.
2067 (df_scan_reset_blocks): Added code to call reset block function
2068 (df_bb_refs_delete) Fixed comment.
2069 (df_insn_refs_delete): Made tolerant of deleting non existent info
2070 for dataflow problems that need to be reset.
2071 * df-core.c (df_set_blocks): Ditto.
2072 * df.h (struct df_problem): Added reset_fun.
2073 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2074 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2075 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2076 functions to clear out all references to def-use or use-def chains.
2078 2006-01-21 Ben Elliston <bje@au.ibm.com>
2080 * varasm.c (assemble_real): Initialise data array.
2082 2006-01-20 Paul Brook <paul@codesourcery.com>
2084 Merge from csl-arm-branch.
2085 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2086 * config/arm/arm.md (movdi): Force operands[1] to a register
2087 if we have a non-register source.
2088 (*arm_movdi, *movdf_soft_insn): Require that one of the
2089 operands be a register.
2090 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2091 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2093 2006-01-20 DJ Delorie <dj@redhat.com>
2095 * varasm.c (initialize_constant_valid_p): Allow pointers
2096 initialized from integer constants of lesser precision.
2097 (output_constant): Allow non-int-sized pointer modes to be
2098 initialized from integer constants.
2100 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
2103 * cppdefault.h (struct default_include): Add multilib flag.
2104 * cppdefault.c (cpp_include_defaults): Set it.
2105 * c.opt (-imultilib): New option.
2106 * c-opts.c (imultilib): New.
2107 (c_common_handle_option): Handle -imultilib.
2108 (c_common_post_options): Likewise.
2109 * c-incpath.c (add_standard_paths, register_include_chains):
2111 * c-incpath.h (register_include_chains): Add extra parameter.
2112 * gcc.c (do_spec_1): Generate -imultilib option.
2113 (The Specs Language): Update %I description.
2114 (process_command): Update copyright notice.
2115 * doc/cppopts.texi (-imultilib): Document.
2116 * doc/invoke.texi (-imultilib): Include in option summary.
2117 (%I): Update specs documentation.
2119 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2121 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2123 2006-01-20 Richard Sandiford <richard@codesourcery.com>
2125 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2128 2006-01-20 Richard Guenther <rguenther@suse.de>
2129 Steven Bosscher <stevenb.gcc@gmail.com>
2131 PR rtl-optimization/24626
2132 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2133 EDGE_TRUE_VALUE if in RTL mode.
2136 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2137 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2139 2006-01-20 Dirk Mueller <dmueller@suse.com>
2142 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2143 instead of a special NOP marker.
2144 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2145 NOP marker handling.
2146 * c-common.h (empty_body_warning): Add forward declaration.
2147 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2148 Now uses IS_EMPTY_STMT() instead of special NOP markers.
2150 2006-01-20 Paul Brook <paul@codesourcery.com>
2152 * Makefile.in (lang_checks): Keep going if mkdir fails.
2154 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2156 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2157 be able to clean out basic block when not necessary.
2158 (df_scan_free): Fixed to properly delete information if df is
2159 unused before calling df_finish.
2160 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2161 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2163 (df_bb_refs_delete): New function.
2164 (df_refs_delete): Moved per block code to df_bb_refs_delete.
2165 * df-core.c (df_set_blocks): Added code to properly clean out
2166 unused blocks if they are not part of the blocks to consider.
2167 Added additional null check.
2168 (df_compact_blocks): Added basic block parameter to free_bb_fun to
2169 be able to clean out basic block when not necessary
2170 * df.h (df_free_bb_function): Ditto.
2171 (df_bb_refs_delete): New function.
2172 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2173 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2174 basic block parameter to be able to clean out basic block when not
2176 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2177 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2178 Fixed to properly delete information if df is unused before
2181 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2183 PR rtl-optimization/25799
2184 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2185 Corrected confluence operator to remove bits from op2 before oring
2186 with op1 rather than removing bits from op1.
2187 (df_ru_transfer_function): Corrected test on wrong bitmap which
2188 caused infinite loop. Both of these problems were introduced in
2189 the dataflow rewrite.
2191 2006-01-19 DJ Delorie <dj@redhat.com>
2193 * reload1.c (find_reload_regs): Note the details of reload
2194 failures in the dump file.
2195 (spill_failure): Likewise.
2197 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2199 * loop-iv.c: Include df.h and hashtab.h.
2200 (enum iv_grd_result): New enum.
2201 (DF_REF_IV, DF_REF_IV_SET): New macros.
2202 (struct biv_entry): New.
2203 (df, bivs): New global variables.
2204 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2205 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2207 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2208 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2209 analyzed_for_bivness_p, record_biv): New functions.
2210 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2211 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2212 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2214 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2216 (iv_number_of_iterations): Use new interface to iv analysis.
2217 * loop-unroll.c: Do not include varray.h.
2218 (analyze_iv_to_split_insn): Use new interface to iv
2220 * loop-unswitch.c (may_unswitch_on): Ditto.
2221 * df.c (df_bitmaps_free): Only work for bbs for that structures are
2223 (df_bb_modify): Realloc tables to the new index.
2224 (df_find_use): New function.
2225 * df.h (df_find_use): Declare.
2226 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2228 * cfgloop.h (struct rtx_iv): Remove analysed field.
2229 (iv_get_reaching_def): Removed.
2230 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2231 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2232 (loop-iv.o): Add df.h and hashtab.h dependency.
2233 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2235 2006-01-20 Alan Modra <amodra@bigpond.net.au>
2238 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2240 (__floatundisf, __floatundidf): Likewise.
2241 * libgcc2.h (IS_IBM_EXTENDED): Define.
2243 2006-01-19 DJ Delorie <dj@redhat.com>
2245 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2247 2006-01-19 Paul Brook <paul@codesourcery.com>
2249 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2250 as nothrow when unwinding tables are disabled.
2252 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2255 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2256 of bit-field" when in system header.
2258 2006-01-19 DJ Delorie <dj@redhat.com>
2260 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2261 the 16 bit shift limit of the m16c.
2263 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
2266 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2267 * config/i386/i386.c (output_set_got): Output the label if we have one
2268 for the TARGET_DEEP_BRANCH_PREDICTION case.
2270 2006-01-19 Jan Hubicka <jh@suse.cz>
2271 H.J. Lu <hongjiu.lu@intel.com>
2272 Evandro Menezes <evandro.menezes@amd.com>
2274 * invoke.texi (generic): Document
2276 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2277 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2278 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2279 (x86_use_incdec, x86_pad_returns): New variables
2280 (TARGET_CPU_DEFAULT_generic): New constant
2281 (TARGET_CPU_DEFAULT_NAMES): Add generic.
2282 (enum processor_type): Add generic32 and generic64.
2283 * i386.md (cpu attribute): Add generic32/generic64
2284 (movhi splitter): Behave sanely when both partial_reg_dependency and
2285 partial_reg_stall are set.
2286 (K8 splitters): Enable for generic as well.
2287 * predicates.md (incdec_operand): Use TARGET_INCDEC
2288 (aligned_operand): Avoid memory mismatch stalls.
2289 * athlon.md: Enable for generic64, new patterns for 128bit moves.
2290 * ppro.md: Enable for generic32
2291 * i386.c (generic64_cost, generic32_cost): New.
2292 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2293 (x86_use_leave): Enable for generic64. (x86_use_sahf,
2294 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
2295 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2296 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2297 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2298 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2299 x86_accumulate_outgoing_args, x86_prologue_using_move,
2300 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2301 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2303 (x86_use_incdec, x86_pad_returns): New.
2304 (override_options): Add generic32 and generic64, translate "generic"
2305 to generic32/generic64 and "i686" to "generic32", refuse
2306 "generic32"/"generic64" as arch target.
2307 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2308 (ix86_reorg): Honor PAD_RETURNS.
2310 2006-01-19 Diego Novillo <dnovillo@redhat.com>
2312 * tree-pretty-print.c (dump_generic_node): Handle
2313 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2314 * cgraph.c (cgraph_expand_queue): Rename from
2315 cgraph_analyze_queue. Update all users.
2316 * cgraphunit.c (cgraph_assemble_pending_functions): Process
2317 cgraph_expand_queue.
2318 (cgraph_expand_all_functions): Likewise.
2319 (cgraph_finalize_pending_functions): Remove. Update callers.
2321 * tree.h (OMP_DIRECTIVE_P): Define.
2322 (OMP_PARALLEL_FN): Define.
2323 (OMP_PARALLEL_DATA_ARG): Define.
2324 (OMP_SECTIONS_SECTIONS): Define.
2325 * tree-pass.h (pass_expand_omp): Declare.
2326 * omp-low.c (struct omp_region): Declare.
2327 (struct omp_context): Remove fields 'parallel_type',
2328 'parallel_start_ix' and 'parallel_start_additional_args'.
2330 (struct omp_for_data): Rename from struct expand_omp_for_data.
2331 (omp_regions): New static variable.
2332 (root_omp_region): New static variable.
2333 (find_omp_clause): Make static.
2334 (is_in_combined_parallel_ctx): Remove.
2335 (is_combined_parallel): New.
2336 (extract_omp_for_data): Move earlier in the file.
2337 (workshare_safe_to_combine_p): New.
2338 (get_ws_args_for): New.
2339 (determine_parallel_type): Move earlier in the file.
2340 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2342 (omp_copy_decl): Likewise.
2343 (create_omp_child_function): Likewise.
2344 (lookup_omp_region): New.
2345 (dump_omp_region): New.
2346 (debug_omp_region): New.
2347 (debug_all_omp_regions): New.
2348 (new_omp_region): New.
2349 (scan_omp_parallel): If parallel_nesting_level > 1, the
2350 directive is nested within another parallel directive.
2351 Set OMP_PARALLEL_FN.
2352 (scan_omp_for): Do not try to handle combined parallel+for
2354 Remove FIXME comment.
2355 (scan_omp_nested): Remove.
2356 (scan_omp_1): Do not call scan_omp_nested when
2357 parallel_nesting_level is > 1.
2358 Do not change the DECL_CONTEXT of local variables found.
2359 (lookup_decl_in_outer_ctx): New.
2360 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2361 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2362 (lower_reduction_clauses): Rename from expand_reduction_clauses.
2363 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2364 If CTX is nested, lookup VAR in the outer context when
2365 building copy assignment.
2366 (lower_send_clauses): Rename from expand_send_clauses.
2367 If CTX is nested, lookup VAR in the outer context when
2368 building copy assignments.
2369 (lower_send_shared_vars): Rename from expand_send_shared_vars.
2370 If CTX is nested, lookup VAR in the outer context when
2371 building copy assignments.
2372 (expand_parallel_call): Rename from build_parallel_call.
2373 Handle combined parallel+workshare cases.
2374 Re-implement to emit code into the CFG.
2376 (expand_omp_parallel): Re-implement to emit code into the CFG.
2377 Call move_sese_region_to_fn to outline the sub-graph
2378 containing the parallel region.
2379 (expand_omp_for_1): Remove.
2380 (expand_omp_for_generic): Re-implement to emit code into the
2382 (expand_omp_for_static_nochunk): Likewise.
2383 (expand_omp_for_static_chunk): Likewise.
2384 (expand_omp_for): Likewise.
2385 (expand_omp_sections): Likewise.
2386 (remove_exit_barriers): New.
2387 (expand_omp_synch): New.
2389 (build_omp_regions_1): New.
2390 (build_omp_regions): New.
2391 (execute_expand_omp): New.
2392 (gate_expand_omp): New.
2393 (pass_expand_omp): Define.
2394 (lower_omp_sections): Rename from expand_omp_sections.
2395 Set OMP_SECTIONS_SECTIONS.
2396 (lower_omp_single_simple): Rename from expand_omp_single_simple.
2397 (lower_omp_single_copy): Rename from expand_omp_single_copy.
2398 (lower_omp_single): Rename from expand_omp_simple.
2399 (lower_omp_master): Rename from expand_omp_master.
2400 (lower_omp_ordered): Rename from expand_omp_ordered.
2401 (lower_omp_critical): Rename from expand_omp_critical.
2402 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
2403 (lower_omp_for): Re-implement.
2404 (lower_omp_parallel): Re-implement.
2405 (lower_regimplify): Rename from expand_regimplify.
2406 (lower_omp_1): Rename from expand_omp_1.
2407 If there are syntax errors in the program, replace every
2408 OpenMP directive with NOP.
2409 Call lower_omp_* instead of expand_omp_*.
2410 (lower_omp): Rename from expand_omp.
2412 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
2413 * tree-gimple.h (enum omp_parallel_type): Remove.
2414 (gimple_boolify): Declare extern.
2415 (find_omp_clause, determine_parallel_type): Remove.
2417 * gimple-low.c (lower_omp_directive): New.
2418 (lower_stmt): Call it.
2419 (record_vars_into): Move from ...
2420 (record_vars): ... here.
2421 Call record_vars_into with current_function_decl.
2423 * gimplify.c (struct gimplify_ctx): Remove fields
2424 combined_pre_p and combined_ctxp. Update users.
2425 (get_formal_tmp_var): Add documentation.
2426 (gimple_boolify): Make extern.
2427 (gimplify_expr_in_ctx): Remove. Update callers.
2428 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
2429 will always be a BIND_EXPR.
2430 (gimplify_expr): Handle OMP_RETURN_EXPR.
2431 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
2432 (OMP_PARALLEL): Add 3 operands.
2433 (OMP_SECTIONS): Add 1 operand.
2434 (OMP_RETURN_EXPR): Define.
2436 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
2437 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
2438 * tree-iterator.c (alloc_stmt_list): Assert that we are not
2439 creating a circular free list.
2440 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
2442 * tree-flow.h (move_sese_region_to_fn): Declare.
2443 (record_vars_into): Declare.
2444 * tree-cfg.c (make_omp_sections_edges): New.
2445 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
2446 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
2447 OMP_SECTIONS and OMP_SECTION.
2448 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
2449 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
2450 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
2451 (gather_blocks_in_sese_region): New.
2452 (struct move_stmt_d): Declare.
2454 (move_block_to_fn): New.
2455 (move_sese_region_to_fn): New.
2457 * passes.c (init_optimization_passes): Schedule
2458 pass_expand_omp after pass_init_datastructures.
2460 * tree-ssa-operands.c (get_expr_operands): Handle
2461 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
2462 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
2464 2006-01-19 Jeff Law <law@redhat.com>
2466 * tree-vrp.c (extract_range_from_assert): Refine the result range
2467 if the variable referenced by the ASSERT_EXPR has a range and
2468 either the tentative result range or the previous range is a
2471 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2473 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2475 2006-01-19 Jan Hubicka <jh@suse.cz>
2477 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
2479 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
2481 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
2482 (expand_compound_operation, expand_field_assignment): Fail if the
2483 bit lengths of an extract operation are out of range.
2484 (make_extraction): Compute wanted_inner_mode based on the position
2485 and length of the extraction. Make it extraction_mode for non-constant
2486 positions, and do not modify offset in that case. When generating a
2487 new MEM, use a mode that can hold the extraction while keeping correct
2488 alignment. Remove code that supported MEMs wrapped by USEs.
2489 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
2491 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
2493 * config/s390/s390.md ("Y", "y"): New mode attribute.
2494 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2495 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
2496 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
2497 "*addsi3_imm_cc", "*addsi3_carry1_cc",
2498 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
2499 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
2500 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
2501 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
2502 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
2503 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
2504 "addsi3", "subsi3"): Insn patterns removed.
2505 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
2506 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
2507 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
2508 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
2509 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
2510 "*sub<mode>3_cconly2"): New insn patterns.
2511 ("addsi3", "subsi3"): New expanders.
2513 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
2515 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
2516 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
2517 existing STMT_VINFO_VECTYPE if available.
2518 (vect_mark_relevant): Add special handling for stmts that are
2519 marked as STMT_VINFO_IN_PATTERN_P.
2520 (vect_analyze_loop): Call vect_pattern_recog.
2521 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2522 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2524 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2525 (vect_recog_func_ptr): New function-pointer type.
2526 * tree-vect-patterns.c: New file.
2527 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2528 (vect_recog_dot_prod_pattern, vect_pattern_recog):
2529 (vect_pattern_recog_1): New functions.
2530 (vect_pattern_recog_funcs): New array of function pointers.
2532 * tree-vectorizer.h (ternary_op): New enum value.
2533 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2534 declaration. Revised documentation. Removed redundant dump prints.
2535 Removed redundant argument. Added support for reduction patterns.
2536 (vectorizable_reduction): Added support for reduction patterns.
2537 (vect_transform_stmt): Added support for patterns.
2539 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2540 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2541 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2542 (expand_widen_pattern_expr): New function.
2543 (init_optabs): Initialize new optabs udot_prod_optab,
2545 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2546 (sdot_prod_optab, udot_prod_optab): Define new optabs.
2547 (expand_widen_pattern_expr): New function declaration.
2548 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2550 * tree-inline.c (estimate_num_insns_1): Added cases for new
2551 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2552 * tree-pretty-print.c (dump_generic_node): Likewise.
2553 (op_prio): Likewise.
2554 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2555 * tree-ssa-operands.c (get_expr_operands): Added case for
2557 * tree-vect-patterns.c (widened_name_p): New function.
2558 (vect_recog_dot_prod_pattern): Added function implementation.
2559 * tree-vect-transform.c (get_initial_def_for_reduction): Added
2560 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2561 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2562 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2564 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2565 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2566 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2567 (init_optabs): Initialize new optabs widen_ssum_optab,
2569 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2570 (widen_ssum_optab, widen_usum_optab): Define new optabs.
2571 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2572 use instead of type of def.
2573 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2574 function implementation.
2575 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2576 widen_ssumv8hi): New.
2578 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2581 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2584 * c-decl.c (add_flexible_array_elts_to_size): New function.
2585 (finish_decl): Use it.
2587 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
2589 * diagnostic.h: Include options.h.
2590 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
2591 dependancies for diagnostic.h.
2592 * Makefile.in (DIAGNOSTIC_H): Add options.h.
2594 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
2596 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
2597 (ssa_ro_call_cache_valid): Ditto.
2598 * tree-ssa-alias.c (sort_tags_by_id): New function.
2599 (init_transitive_clobber_worklist): Ditto.
2600 (add_to_worklist): Ditto.
2601 (mark_aliases_call_clobbered): Ditto.
2602 (compute_tag_properties): Ditto.
2603 (set_initial_properties): Ditto.
2604 (compute_call_clobbered): Ditto.
2605 (compute_may_aliases): Call compute_call_clobbered and grouping.
2606 (compute_flow_sensitive_aliasing): Remove clobbering related code.
2607 (compute_flow_insensitive_aliasing): Grouping now happens in our
2609 (setup_pointers_and_addressables): Remove clobbering related code.
2610 (add_may_alias): Ditto.
2611 (replace_may_alias): Ditto.
2612 (get_nmt_for): Ditto.
2613 (create_global_var):
2614 (is_escape_site): Return an escape_type enumeration.
2615 * tree-flow-inline.h (is_call_clobbered): Global var does not
2616 imply call clobbered.
2617 (mark_call_clobbered): Take a reason for marking this. Remove
2618 marking of globalness, and cache invalidation.
2619 (clear_call_clobbered): Remove cache invalidation code.
2620 * tree-dfa.c (dump_variable): If details is on, dump the reason
2622 * tree-outof-ssa.c (create_temp): Copy escape mask from original
2624 * tree-flow.h (struct ptr_info_def): Add escape mask member.
2625 (struct var_ann_d): Ditto.
2626 (enum escape_type): New.
2627 (mark_call_clobbered): Adjust prototype.
2628 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
2629 are never call clobbered.
2630 Record reasons for escaping.
2631 * tree-ssa-structalias.h (is_escape_site): Update prototype.
2632 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
2633 (ssa_ro_call_cache_valid): Ditto.
2634 (clobbered_v_may_defs): Ditto.
2635 (clobbered_vuses): Ditto.
2636 (ro_call_vuses): Ditto.
2637 (clobber_stats): New.
2638 (init_ssa_operands): Zero out clobber stats.
2639 (fini_ssa_operands): Print out clobber stats.
2640 (get_call_expr_operands): Pass callee fndecl to
2642 (add_call_clobber_ops): Remove use of cache.
2643 Add use of PURE_CONST information.
2644 (add_call_read_ops): Remove use of cache.
2645 Add use of static not_read information.
2647 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
2649 Introduce TLS descriptors for i386 and x86_64.
2650 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
2651 (TARGET_ANY_GNU_TLS): New macro.
2652 (enum tls_dialect): Added TLS_DIALECT_GNU2.
2653 (struct machine_function): Add tls_descriptor_call_expanded_p.
2654 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
2655 (ix86_current_function_calls_tls_descriptor): Likewise.
2656 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
2657 (override_options): Introduce gnu2 tls dialect.
2658 (ix86_frame_pointer_required): Functions containing TLSCALLs are
2660 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
2662 (legitimize_tls_address): Adjust logic for GNU2 TLS.
2663 (ix86_init_machine_status): Initialize new field.
2664 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
2665 (ix86_tls_module_base): New.
2666 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
2667 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
2668 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
2669 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
2670 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
2671 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
2672 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
2673 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
2674 * config/i386/predicates.md (tls_modbase_operand): New.
2675 (tp_or_register_operand): New.
2677 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
2679 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
2680 (look_for_address_of): Ditto.
2681 (ipa_init): Walk the function decls.
2682 (static_execute): Don't set readonly on FUNCTION_DECL's.
2684 2006-01-18 Roger Sayle <roger@eyesopen.com>
2686 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
2687 for shifts where the source and destination registers are different.
2689 2006-01-18 Paul Brook <paul@codesourcery.com>
2691 Merge from csl-arm-branch.
2692 2005-03-14 Julian Brown <julian@codesourcery.com>
2693 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
2694 (aeabi_llsl): Likewise.
2695 (ashrdi3): Likewise.
2696 (aeabi_lasr): Likewise.
2697 (lshrdi3): Likewise.
2698 (aeabi_llsr): Likewise.
2699 2005-03-10 Julian Brown <julian@codesourcery.com>
2700 * config.gcc: Disable shared libgcc for SymbianOS.
2701 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
2703 2006-01-18 DJ Delorie <dj@redhat.com>
2705 * c-pragma.c (handle_pragma_diagnostic): New.
2706 (init_pragma): Register it.
2707 * doc/extend.texi: Document it.
2709 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
2710 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
2711 (diagnostic_context): Add classify_diagnostic[].
2712 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
2713 as errors if they're overridden to DK_WARNING.
2714 (diagnostic_initialize): Initialize classify_diagnostic[].
2715 (diagnostic_set_kind_override): New.
2716 (diagnostic_report_diagnostic): Check for kind changes.
2717 * opts.c (common_handle_option): Take lang_mask. Update callers.
2719 * common.opt (Werror=): New.
2720 * doc/invoke.texi: Document -Werror=*
2722 2006-01-18 Jeff Law <law@redhat.com>
2724 * tree-vrp.c (test_for_singularity): Correct test for new
2725 min limit. Use operand_equal_p rather than pointer equality
2726 for testing if new min/max values are equal.
2728 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
2729 using range information until after propagation and folding.
2731 2006-01-18 Richard Henderson <rth@redhat.com>
2732 Aldy Hernandez <aldyh@redhat.com>
2733 Jakub Jelinek <jakub@redhat.com>
2734 Diego Novillo <dnovillo@redhat.com>
2736 * omp-low.c: New file.
2737 * c-omp.c: New file.
2739 2006-01-18 Richard Henderson <rth@redhat.com>
2740 Jakub Jelinek <jakub@redhat.com>
2741 Diego Novillo <dnovillo@redhat.com>
2743 * doc/invoke.texi: Document -fopenmp.
2744 * tree-dump.h (debug_function): Declare.
2745 * hooks.c (hook_bool_tree_bool_false): New function.
2746 (hook_tree_tree_null): Remove.
2747 (hook_tree_tree_tree_null): New.
2748 * hooks.h: Update to match.
2749 * tree-pretty-print.c (debug_tree_chain): New.
2750 (print_generic_expr): Handle TDF_CHAIN.
2751 (dump_generic_node): Handle BLOCK.
2752 Do not abort with incomplete SWITCH_EXPRs.
2753 Do not dump body of an OpenMP directive if TDF_SLIM is given.
2754 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
2755 print space after directive name.
2756 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
2757 Handle OMP_MASTER and OMP_ORDERED.
2758 Handle printing of OMP_BODY just in one place, goto
2759 dump_omp_body in the rest of OMP_* nodes that have
2761 Don't handle clause nodes here. Update omp statements to
2762 use dump_omp_clauses.
2763 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
2764 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
2765 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
2766 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
2767 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
2768 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
2769 Adjust output for GOMP_PARALLEL.
2770 (dump_omp_clauses): New.
2771 (print_declaration): Dump DECL_VALUE_EXPR.
2772 (op_symbol_1): Split out of op_symbol.
2773 (dumping_stmts): Remove. Update all users.
2774 * cgraph.c (cgraph_analyze_queue): New.
2775 (cgraph_add_new_function): New.
2776 * cgraph.h (cgraph_analyze_queue): Declare.
2777 (cgraph_add_new_function): Declare.
2778 (cgraph_lower_function): Remove.
2779 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
2780 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
2781 and TYPE_P nodes in its default clause.
2782 (empty_body_p): New.
2783 (tree_range_check_failed): New.
2785 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
2786 OMP_CLAUSE_REDUCTION_MERGE,
2787 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
2788 OMP_CLAUSE_PRIVATE_DEBUG,
2789 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
2790 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
2791 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
2792 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
2793 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
2794 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
2795 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
2796 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
2797 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
2798 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
2799 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
2800 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
2801 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
2802 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
2803 (TREE_RANGE_CHECK): New.
2804 (empty_body_p): Declare.
2805 (enum omp_clause_default_kind): New.
2806 (build_string_literal): Declare.
2807 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
2808 (build5_stat, build5): Declare.
2809 * tree-pass.h (TDF_CHAIN): Define.
2810 * tree-pass.h (PROP_gimple_lomp): Define.
2811 (pass_lower_omp): Declare.
2812 * diagnostic.h (debug_tree_chain): Declare.
2813 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
2815 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
2816 * builtins.c (build_string_literal): Make extern.
2817 * gcc.c (include_spec_function): New.
2818 (static_spec_functions): Add it.
2819 (main): Move load of libgomp.spec ...
2820 (LINK_COMMAND_SPEC): ... here.
2821 (link_gomp_spec): New.
2822 (static_specs): Include it.
2823 (LINK_COMMAND_SPEC): Add link_gomp.
2824 (GOMP_SELF_SPECS): New.
2825 (driver_self_specs): Include it.
2826 (switch_matches): Don't mark inline.
2827 (main): Load libgomp.spec.
2828 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
2829 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
2830 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
2831 * tree-gimple.h (enum omp_parallel): Declare.
2832 (determine_parallel_type): Declare.
2833 (omp_firstprivatize_variable): Declare.
2834 (omp_reduction_init): Declare.
2835 (diagnose_omp_structured_block_errors): Declare.
2836 (struct walk_stmt_info): Add want_return_expr.
2837 (struct walk_stmt_info): Add want_bind_expr, want_locations.
2838 (find_omp_clause): Declare.
2839 (insert_field_into_struct): Declare.
2840 (struct walk_stmt_info): Move from tree-nested.c
2841 (walk_stmts): Declare.
2842 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2844 * cgraphunit.c (cgraph_lower_function): Make static.
2845 (cgraph_finalize_pending_functions): New.
2846 (cgraph_finalize_function): Call it.
2847 (cgraph_finalize_compilation_unit): Likewise.
2848 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2849 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2850 (BT_FN_UINT_UINT): New.
2851 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2852 DEF_FUNCTION_TYPE_VAR_4): Document.
2853 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2854 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2855 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2856 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2857 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2858 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2859 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2860 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2861 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2862 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2863 into separate files.
2864 (DEF_GOMP_BUILTIN): New.
2865 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2866 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2867 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2868 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2869 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2870 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2871 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2872 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2873 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2874 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2875 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2876 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2877 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2878 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2879 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2880 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2881 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2882 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2883 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2884 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2885 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2886 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2887 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2888 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2889 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2890 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2891 * sync-builtins.def: New file, moved from builtins.def.
2892 * omp-builtins.def: New file, moved from builtins.def.
2893 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2894 * gimple-low.c (lower_function_body): Clear data.
2895 (lower_stmt): Do not handle COMPOUND_EXPR.
2896 Remove call to print_node_brief.
2897 * c-tree.h (c_finish_omp_clauses): New prototype.
2898 (C_DECL_THREADPRIVATE_P): Define.
2899 (lookup_name_no_remap, c_omp_remap_private): Remove
2900 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2901 (check_for_loop_decls): Update decl.
2902 (lookup_name_no_remap, c_omp_remap_private): Declare.
2903 (build_indirect_ref, build_modify_expr, pushdecl,
2904 pushdecl_top_level): Move to c-common.h.
2905 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2906 before the switch, but just in the 2 places that need it.
2907 * c-decl.c (diagnose_mismatched_decls): Do not check for
2908 mismatched thread-local attributes when OLDDECL is marked
2909 threadprivate and NEWDECL has no thread-local attributes.
2910 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2911 (c_gimple_diagnostics_recursively): Rename from
2912 c_warn_unused_result_recursively. Invoke
2913 diagnose_omp_structured_block_errors.
2914 (check_for_loop_decls): Return a singular decl found.
2915 * langhooks.c (lhd_omp_predetermined_sharing): Return
2916 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2917 (lhd_omp_firstprivatize_type_sizes): New.
2918 (lhd_omp_assignment): New.
2919 (lhd_omp_predetermined_sharing): New.
2920 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2921 (struct lang_hooks_for_types): Add
2922 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2923 omp_predetermined_sharing, omp_disregard_value_expr,
2924 omp_private_debug_clause, omp_clause_default_ctor,
2925 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2926 (c_finish_omp_clauses): New.
2927 (c_finish_bc_stmt): Diagnose break within omp for.
2928 (c_begin_omp_parallel, c_finish_omp_parallel): New.
2929 (build_unary_op): Return error_mark after reporting
2931 (build_modify_expr): Likewise.
2932 * gimplify.c: Include optabs.h and pointer-set.h.
2933 (enum gimplify_omp_var_data): Declare.
2934 (struct gimplify_omp_ctx): Declare.
2935 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2937 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2938 (push_gimplify_context, pop_gimplify_context): Allow nesting.
2939 (splay_tree_compare_decl_uid): New.
2940 (new_omp_context): New.
2941 (delete_omp_context): New.
2942 (gimple_add_tmp_var): Call omp_add_variable.
2943 (gimplify_bind_expr): Likewise.
2944 (gimplify_var_or_parm_decl): If omp_notice_variable returned
2945 true, disregard DECL_VALUE_EXPR on the decl if any.
2946 (gimplify_expr_in_ctx): New.
2947 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2948 omp_add_variable, omp_notice_variable, omp_is_private
2949 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2950 gimplify_adjust_omp_clauses, gimplify_omp_parallel
2951 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2952 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2953 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2954 gimplify_omp_atomic): New.
2955 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2956 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2957 OMP_CRITICAL and OMP_ATOMIC.
2958 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2959 * c-pragma.h (enum pragma_kind): Add
2960 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2961 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2962 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2963 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2964 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
2965 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
2966 PRAGMA_OMP_THREADPRIVATE.
2967 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2968 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2969 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
2970 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
2971 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
2972 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
2973 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
2974 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
2975 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
2976 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
2977 * tree-ssa-dce.c (find_control_dependence): Do not assume that
2978 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
2979 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
2981 (struct nesting_info): Add field_map,
2982 suppress_expansion, debug_var_chain.
2983 (create_nesting_tree): Initialize them.
2984 (lookup_field_for_decl): Use field_map.
2985 (get_nonlocal_debug_decl, get_local_debug_decl): New.
2986 (convert_local_omp_clauses): New.
2987 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
2988 (walk_body): Split out of walk_function.
2989 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
2990 (convert_nonlocal_reference): Handle omp statements.
2991 (convert_local_reference): Likewise.
2992 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
2993 (unnest_nesting_tree): New.
2994 (lower_nested_functions): Call it.
2995 (insert_field_into_struct): Make extern.
2996 (struct walk_stmt_info): Move to tree-gimple.h.
2997 (walk_stmts): Make extern.
2998 * omp-builtins.def: New file.
2999 * tree-iterator.c (expr_only): Clarify comment.
3000 * c-common.h (pushdecl_top_level, pushdecl,
3001 build_modify_expr, build_indirect_ref,
3002 c_finish_omp_master, c_finish_omp_critical,
3003 c_finish_omp_ordered, c_finish_omp_barrier,
3004 c_finish_omp_atomic, c_finish_omp_flush,
3005 c_finish_omp_for, c_split_parallel_clauses,
3006 omp_clause_default_kind, c_omp_sharing_predetermined,
3007 c_omp_remap_decl): Declare.
3008 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3009 (OBJS-common): Add omp-low.o.
3010 (c-omp.o, omp-low.o): Add.
3011 (gimplify.o): Add dependency on $(OPTABS_H).
3012 (GTFILES): Add omp-low.c.
3013 (gt-stringpool.h): Add.
3014 * tree-cfg.c (set_bb_for_stmt): Do not update the
3015 block-to-labels map if we are currently expanding to RTL.
3016 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3018 Handle IDENTIFIER_NODE.
3019 (tree_verify_flow_info): Do not ICE when emitting error
3020 messages about invalid labels.
3021 (dump_function_to_file): Reset CFUN before emitting the body
3023 (debug_function): New.
3024 * passes.c (init_optimization_passes): Schedule
3026 * langhooks-def.h (lhd_omp_predetermined_sharing,
3027 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3029 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3030 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3031 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3032 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3033 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3034 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3035 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3036 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3037 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3038 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3039 (LANG_HOOK_DECLS): Use them.
3041 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3042 Richard Henderson <rth@redhat.com>
3043 Jakub Jelinek <jakub@redhat.com>
3044 Diego Novillo <dnovillo@redhat.com>
3046 * c-parser.c (pragma_omp_clause): Define.
3047 (c_parser_declaration_or_fndef): Document OpenMP syntax.
3048 (c_parser_compound_statement): Likewise.
3049 (c_parser_statement): Likewise.
3050 (c_parser_pragma): Handle omp pragmas.
3051 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3052 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3053 (c_parser_omp_clause_name, check_no_duplicate_clause,
3054 c_parser_omp_variable_list,
3055 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3056 c_parser_omp_clause_copyprivate,
3057 c_parser_omp_clause_default,
3058 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3059 c_parser_omp_clause_lastprivate,
3060 c_parser_omp_clause_nowait,
3061 c_parser_omp_clause_num_threads,
3062 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3063 c_parser_omp_clause_reduction,
3064 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3065 c_parser_omp_all_clauses, c_parser_omp_structured_block,
3066 c_parser_omp_atomic, c_parser_omp_barrier,
3067 c_parser_omp_critical, c_parser_omp_flush,
3068 c_parser_omp_for_loop, c_parser_omp_for,
3069 c_parser_omp_master, c_parser_omp_ordered,
3070 c_parser_omp_sections_scope, c_parser_omp_sections,
3071 c_parser_omp_parallel, c_parser_omp_single,
3072 c_parser_omp_construct, c_parser_omp_threadprivate): New.
3073 * c-pragma.c (init_pragma): Do omp pragma registration here.
3074 * c.opt (fopenmp): New flag.
3076 2006-01-18 Eric Christopher <echristo@apple.com>
3078 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3079 * config/darwin.h (GOMP_SELF_SPECS): Define.
3081 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3083 * rtl.h: Remove the prototype for reg_alloc.
3085 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3088 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3089 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3090 sjlj and dwarf2 exception handling.
3091 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3092 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3093 * pa/pa.c (function_value): Treat complex and vector types as
3095 (function_arg): Likewise. Only pass scalar floats in the floating
3096 point argument registers.
3097 * pa/t-slibgcc-dwarf-ver: New file.
3098 * pa/t-slibgcc-sjlj-ver: New file.
3099 * pa/t-slibgcc-elf-ver: Delete file.
3101 2006-01-19 Alan Modra <amodra@bigpond.net.au>
3103 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3104 unlikely_test_section_p test.
3106 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3108 * mode-switching.c (optimize_mode_switching): Make it static.
3109 * basic-block.h: Remove the prototype for
3110 optimize_mode_switching.
3112 * modulo-sched.c (sms_schedule): Make it static.
3113 * rtl.h: Remove the prototype for sms_schedule.
3115 * postreload-gcse.c (gcse_after_reload_main): Make it static.
3116 * rtl.h: Remove the prototype for gcse_after_reload_main.
3118 * reg-stack.c (reg_to_stack): Make it static.
3119 * rtl.h: Remove the prototype for reg_to_stack.
3121 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3123 * rtl.h: Remove the prototypes for regrename_optimize and
3124 copyprop_hardreg_forward.
3126 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
3128 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3129 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
3130 Test against the appropriate null constant for the mode.
3131 If 'fixup_overlap' is true, swap the operands if they overlap.
3132 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3133 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3134 alpha_split_tmode_pair and adjust for above change.
3135 * config/alpha/alpha.md (movtf_internal): Adjust call to
3136 alpha_split_tfmode_pair and rely on it to swap the operands.
3137 (movti_internal): New insn and post-reload splitter.
3138 (movti): New expander.
3140 2006-01-18 Philippe De Muyter <phdm@macqel.be>
3142 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3145 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3147 * rtlanal.c (global_reg_mentioned_p_1,
3148 global_reg_mentioned_p): Remove.
3149 * rtl.h: Remove the prototype for global_reg_mentioned_p.
3151 * flow.c (initialize_uninitialized_subregs): Make it static.
3152 * rtl.h: Remove the prototype for
3153 initialize_uninitialized_subregs.
3155 * function.c (instantiate_virtual_regs): Make it static.
3156 * function.h: Remove the prototype for
3157 instantiate_virtual_regs.
3159 * regmove.c (regmove_optimize, combine_stack_adjustments):
3161 * rtl.h: Remove the prototypes for regmove_optimize and
3162 combine_stack_adjustments.
3164 2006-01-17 Roger Sayle <roger@eyesopen.com>
3166 * config/i386/i386.c (COSTS_N_BYTES): New macro.
3167 (size_cost): Encode costs in bytes so that a reg-reg addition is
3168 equivalent to COSTS_N_INSNS(1).
3169 (override_options): Use the size_cost.branch_cost as the default
3170 ix86_branch_cost when optimizing for size.
3172 2006-01-18 Ben Elliston <bje@au.ibm.com>
3174 * Makefile.in (D32PBIT_FUNCS): New.
3175 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3176 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3177 D64PBIT_FUNCS and D128PBIT_FUNCS.
3178 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3179 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3181 (decnumber_dep): Define.
3182 * doc/libgcc.texi (Decimal float library routines): New node.
3183 * config/dfp-bit.h, config/dfp-bit.c: New files.
3185 2006-01-18 Ben Elliston <bje@au.ibm.com>
3187 * expr.c (emit_move_change_mode): Always adjust addresses, not
3188 just during reload. Copy replacements only during reload.
3189 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3190 emit_move_via_integer.
3192 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
3194 * Makefile.in (check-%, check-consistency): Use $${srcdir}
3195 instead of $(srcdir) and ${srcdir}.
3197 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
3201 * arm.h (struct machine_function): Add pic_reg.
3202 * arm.c (arm_pic_register): Make unsigned.
3203 (arm_override_options): Only set arm_pic_register if
3204 TARGET_SINGLE_PIC_BASE.
3205 (use_return_insn): Only test for a pic register if it is fixed.
3206 (arm_compute_save_reg0_reg12_mask): Likewise.
3207 (thumb_compute_save_reg_mask): Likewise.
3208 (legitimate_pic_operand): Factor out some known invariants.
3209 (legitimize_pic_address): If we don't have a fixed pic register,
3210 then set up a pseudo in the function entry sequence. Handle the
3211 pic base being in a pseudo.
3212 (arm_load_pic_register): Handle the pic register being in a pseudo.
3213 (arm_expand_prologue): Only set up the pic register if it is fixed.
3214 (thumb_expand_prologue): Likewise.
3215 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3216 (pic_load_addr_based_insn): Likewise.
3217 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3220 2006-01-18 Ben Elliston <bje@au.ibm.com>
3222 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3223 decimal float modes for all floating point registers.
3225 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3226 match_code "mem" with match_test "macho_lo_sum_memory_operand".
3228 2006-01-17 Jakub Jelinek <jakub@redhat.com>
3231 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3232 even when the pointer is not NULL.
3234 2006-01-16 Ian Lance Taylor <ian@airs.com>
3236 * common.opt (ftoplevel-reorder): New option.
3237 * cgraph.c (cgraph_asm_nodes): New global variable.
3238 (cgraph_asm_last_node): New static variable.
3239 (cgraph_order): New global variable.
3240 (cgraph_create_node): Set new order field.
3241 (cgraph_varpool_node): Likewise.
3242 (decide_is_variable_needed): Return true if not
3243 flag_toplevel_reorder.
3244 (cgraph_add_asm_node): New function.
3245 * cgraph.h (struct cgraph_node): Add order field.
3246 (struct cgraph_varpool_node): Add order field.
3247 (struct cgraph_asm_node): Define.
3248 (cgraph_asm_nodes, cgraph_order): Declare.
3249 (cgraph_add_asm_node): Declare.
3250 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3252 (cgraph_varpool_assemble_pending_decls): Call it.
3253 (cgraph_output_pending_asms): New static function.
3254 (cgraph_finalize_compilation_unit): Call it.
3255 (struct cgraph_order_sort): Define.
3256 (cgraph_output_in_order): New static function.
3257 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
3258 !flag_toplevel_reorder case.
3259 * c-parser.c: Include "cgraph.h".
3260 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3262 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3263 than -fno-unit-at-a-time.
3264 * doc/invoke.texi (Option Summary): Mention
3265 -fno-toplevel-reorder.
3266 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
3267 -funit-at-a-time documentation.
3269 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
3270 Kazu Hirata <kazu@codesourcery.com>
3272 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3274 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
3276 * Makefile.in (FUNCTION_H): New. Use it instead of
3277 function.h throughout the file.
3278 * function.h: Include tree.h.
3280 2006-01-17 Ben Elliston <bje@au.ibm.com>
3282 * recog.c: Separate some functions with whitespace.
3284 2006-01-16 Richard Henderson <rth@redhat.com>
3286 Merge from gomp branch:
3287 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
3288 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3289 and rename from struct inline_data. Rename callee* to dst*;
3290 caller* to src*; add copy_decl hook, transform_call_graph_edges,
3291 transform_new_cfg, transform_return_to_modify, and
3292 transform_lang_insert_block flags; remove cloning_p, versioning_p,
3294 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3295 (copy_decl_for_dup): Remove.
3296 * tree-inline.c (struct inline_data): Move to header.
3297 (insert_decl_map): Export.
3298 (remap_decl): Update for member name changes. Use copy_decl hook.
3299 Allow for replacement to be a non-decl. Remove dead code.
3300 (remap_type_1): Check for existing mapping.
3301 (remap_type): Export.
3302 (remap_decls): Update for member name changes.
3303 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3304 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3305 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3306 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3307 (tree_function_versioning, build_duplicate_type): Likewise.
3308 (copy_body_r): Likewise. Export.
3309 (copy_decl_for_dup): Split into ...
3310 (copy_decl_for_dup_finish, copy_decl_to_var,
3311 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3312 (replace_ref_tree, inlining_p): Remove.
3314 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3316 * ifcvt.c (if_convert): Make it static.
3317 * rtl.h: Remove the prototype for if_convert.
3319 * local-alloc.c (local_alloc): Make it static.
3320 * rtl.h: Remove the prototype for local_alloc.
3322 * loop.c (loop_optimize): Make it static.
3323 * cfgloop.h: Remove the prototype for loop_optimize.
3326 2006-01-16 DJ Delorie <dj@redhat.com>
3328 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3331 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3333 * pa.md: Disparage copies between general and floating-point registers
3334 in 32-bit move patterns.
3336 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
3339 * Makefile.in (check-%): Depend on site.exp instead of
3340 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3343 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3345 * global.c (global_alloc): Make it static.
3346 * rtl.h: Remove the prototype for global_alloc.
3348 2006-01-16 Richard Guenther <rguenther@suse.de>
3350 * tree-ssa-alias.c (struct used_part): Add write_only field.
3351 (get_or_create_used_part_for): Initialize it to true.
3352 (create_overlap_variables_for): Don't create structure variables
3353 for structures that only are written to.
3354 (find_used_portions): Handle MODIFY_EXPR to track whether a
3355 structure is only written to.
3357 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3359 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3361 * basic-block.h: Remove the prototype for
3362 partition_hot_cold_basic_blocks.
3364 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
3366 * cppspec.c (lang_specific_spec_functions): Remove.
3367 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3368 * gcc.h (lang_specific_spec_functions): Remove.
3369 * gccspec.c (lang_specific_spec_functions): Remove.
3371 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
3373 * combine.c (record_value_for_reg): Invalidate registers
3375 (record_dead_and_set_regs_1): Likewise, by passing them to
3376 record_value_for_reg.
3377 (record_dead_and_set_regs): Invalidate stores made by a
3378 call. We do not combine across a call, but we still
3379 relied on equivalences.
3381 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3383 * tree-vrp.c (extract_range_from_binary_expr): Cope with
3384 vrp_int_const_binop returning non-constant nodes.
3386 2006-01-16 Paul Brook <paul@codesourcery.com>
3388 * config/m68k/m68k.c (output_move_const_into_data_reg):
3389 Output correct mnemonic for mvz and mvs.
3391 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
3393 * rtl-factoring.c: Add sequence abstraction algorithm.
3394 * cfgcleanup.c (outgoing_edges_match): Extra checks.
3395 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
3397 (block_has_preserve_label): New function.
3398 * common.opt: Register new pass.
3399 * Makefile.in: Ditto.
3401 * timevar.def: Ditto.
3402 * tree-pass.h: Ditto.
3403 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
3404 * rtl.h (make_jump_insn_raw): Add forward decl.
3405 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
3407 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3408 Roger Sayle <roger@eyesopen.com>
3410 * fold-const.c (fold_minmax): New static function.
3411 (fold_binary) <MIN_EXPR>: Call it.
3412 <MAX_EXPR>: Likewise.
3413 * stor-layout.c (place_field): Use DECL_SIZE consistently
3414 in the computation of the new record size.
3416 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3418 * cse.c (cse_condition_code_reg): Make it static.
3419 * rtl.h: Remove the prototype for cse_condition_code_reg.
3421 * combine.c (combine_instructions): Make it static.
3422 * rtl.h: Remove the prototype for combine_instructions.
3424 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3427 * tree.c (get_file_function_name_long): Concatenate the first global
3428 object name with a string derived from the input filename of the object
3431 2006-01-16 Ben Elliston <bje@au.ibm.com>
3433 * config/i386/winnt-stubs.c: Update FSF address.
3434 * config/xtensa/ieee754-df.S: Ditto.
3435 * config/xtensa/ieee754-sf.S: Ditto.
3437 2006-01-14 Ian Lance Taylor <ian@airs.com>
3439 * ifcvt.c (noce_init_if_info): New static function, broken out of
3440 noce_process_if_block.
3441 (noce_process_if_block): Call noce_init_if_info.
3442 (check_cond_move_block): New static function.
3443 (cond_move_process_if_block): New static function.
3444 (process_if_block): Call cond_move_process_if_block.
3446 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
3448 * cselib.c (hash_table): Rename to cselib_hash_table.
3449 (cselib_clear_table, discard_useless_values,
3450 remove_useless_values, cselib_lookup_mem, cselib_lookup,
3451 cselib_init, cselib_finish): Adjust uses of hash_table.
3453 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
3455 PR tree-optimization/25485
3456 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
3457 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
3458 is known to be false and true, respectively.
3460 2006-01-14 Richard Guenther <rguenther@suse.de>
3462 PR tree-optimization/22548
3463 PR tree-optimization/22555
3464 PR tree-optimization/22501
3465 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
3466 * params.def (salias-max-array-elements): New parameter.
3467 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
3468 * doc/invoke.texi (salias-max-array-elements): Document.
3469 * tree-flow-inline.h (var_can_have_subvars): We also handle
3471 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
3473 * tree-ssa-structalias.c (params.h): Include.
3474 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
3475 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
3476 (get_constraint_for): For ADDR_EXPR operating on something
3477 containing an ARRAY_REF, add all subvars to the solution.
3478 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
3479 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
3480 for creating MUST_DEFs.
3481 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
3483 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
3485 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
3487 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3488 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3489 number_of_iterations_le): New functions.
3490 (number_of_iterations_special): Removed.
3491 (number_of_iterations_exit): Do not use number_of_iterations_special.
3492 * tree.c (unsigned_type_for): Always return integer type.
3494 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
3495 Richard Guenther <rguenther@suse.de>
3497 PR rtl-optimization/24257
3498 * gcse.c (find_moveable_store): Only consider a store movable
3499 when the SET_SRC of the insn can be assigned to a register.
3501 2006-01-14 Ian Lance Taylor <ian@airs.com>
3503 * tree.c (tree_not_class_check_failed): New function.
3504 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
3505 (tree_not_class_check_failed): Declare.
3507 2006-01-13 Ian Lance Taylor <ian@airs.com>
3509 * reload1.c (do_output_reload): Add assertion rejecting a
3512 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
3514 * combine.c (struct reg_stat): Add new fields truncation_label and
3516 (record_value_for_reg): Reset truncated_to_mode.
3517 (record_truncated_value): New function.
3518 (check_promoted_subreg): Call it. Rename to check_conversions.
3519 (combine_instructions): Rename check_promoted_subreg to
3521 (reg_truncated_to_mode): New function.
3522 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
3523 (gen_lowpart_or_truncate): New function.
3524 (force_to_mode): Use it instead of gen_lowpart.
3526 2006-01-13 Diego Novillo <dnovillo@redhat.com>
3528 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
3529 VAR is a tag, not its type tag.
3531 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
3533 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3534 alternatives to match style of other entries.
3535 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
3537 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
3539 PR tree-optimization/25771
3540 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3543 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
3546 * tree-inline.c (declare_return_variable): If the return variable
3547 was marked as a non gimple complex, set the return slot variable
3548 to be a non gimple comple variable.
3550 2006-01-13 Richard Guenther <rguenther@suse.de>
3552 * builtins.c (expand_builtin_sincos): New function.
3553 (expand_builtin_mathfn_3): Remove dead code, sin and cos
3555 (expand_builtin): Expand sincos using expand_builtin_sincos.
3557 2006-01-12 DJ Delorie <dj@redhat.com>
3559 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3560 shift counts, separate SI shifts for m32c vs m16c, pass shift type
3561 so that constant shifts can be split.
3562 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3563 (m32c_valid_pointer_mode): Make static.
3564 (shift_gen_func_for): New.
3565 (m32c_prepare_shift): Use it. Split large const shifts into
3567 * config/m32c/predicates.md (shiftcount_operand): Allow more
3569 (longshiftcount_operand): New.
3570 * doc/md.texi (Machine Constraints): Document In6.
3572 2006-01-13 Ben Elliston <bje@au.ibm.com>
3574 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
3575 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
3578 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
3580 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
3581 to try to avoid clobbering pieces of structures when we know
3582 something about the whole structure.
3583 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
3585 2006-01-13 Ben Elliston <bje@au.ibm.com>
3587 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
3588 return in memory, as this is no limitation is no longer present.
3590 2006-01-12 DJ Delorie <dj@redhat.com>
3592 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
3593 mova with fb, and for fb+0 -> An.
3595 * config/m32c/mov.md (peephole2): Fix enabling logic.
3597 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3598 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
3599 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
3600 FINI_ARRAY_SECTION_ASM_OP): Define.
3602 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
3604 (m32c_legitimize_reload_address): New logic to reload FB to An.
3605 (m32c_output_reg_push): Add newline.
3606 (m32c_output_reg_pop): Likewise.
3608 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
3610 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
3612 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
3614 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3616 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3618 * config/sh/predicates.md (sh_rep_vec): Add parallel to
3621 2006-01-11 Ben Elliston <bje@au.ibm.com>
3623 * rtlanal.c (find_reg_note): Assert insn is not null.
3625 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3627 * df-scan.c (df_hard_reg_init): Move declaration of i outside
3630 2006-01-11 Jeff Law <law@redhat.com>
3632 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
3634 (mark_threaded_blocks, register_jump_thread): New functions.
3635 (thread_through_all_blocks): Remove unwanted argument. No
3636 longer rely on e->aux to communicate thread target info.
3637 Call mark_threaded_blocks. Release the threaded_blocks
3638 bitmap and threaded_edges vector when complete.
3639 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
3640 (threaded_blocks): Remove.
3641 (tree_ssa_dominator_optimize): Remove initialization and
3642 finalization of threaded_blocks. Simplify call to
3643 thread_through_all_blocks.
3644 (thread_across_edge): Call register_jump_thread rather than
3645 storing thread information into e->aux.
3646 (free_all_edge_infos): Simplify now that e->aux is no longer
3647 used to communicate with thread_through_all_blocks.
3648 * tree-flow.h (thread_through_all_blocks): Update prototype.
3649 (register_jump_thread): Prototype.
3651 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3653 * df-core.c (df_compact_blocks, df_bb_replace): Use
3654 SET_BASIC_BLOCK instead of BASIC_BLOCK.
3656 2006-01-11 Richard Guenther <rguenther@suse.de>
3658 PR tree-optimization/25734
3659 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3660 stop propagation after successful propagation to the LHS.
3662 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3664 * basic-block.h (control_flow_graph): Change the type of
3665 x_basic_block_info to VEC(basic_block,gc) *.
3666 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
3668 (SET_BASIC_BLOCK): New.
3669 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
3670 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
3671 * cfgbuild.c (find_basic_blocks): Likewise.
3672 * cfglayout.c (fixup_reorder_chain): Likewise.
3673 * cfgrtl.c (create_basic_block_structure,
3674 rtl_create_basic_block): Likewise.
3675 * ifcvt.c (find_if_case_1): Likewise.
3676 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
3679 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3681 * Makefile.in: Removed rotted odf.c entry.
3683 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
3686 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
3687 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
3688 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
3689 output pattern modifier, not %e.
3690 * config/cris/cris.c (cris_op_str): Update comment about pattern
3692 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
3693 before falling through into...
3694 <case 'E'>: Redefined from old 'e' case.
3696 2006-01-11 Jan Hubicka <jh@suse.cz>
3699 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
3701 2006-01-11 Jan Hubicka <jh@suse.cz>
3703 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
3704 * i386.c (x86_decompose_lea): Kill.
3705 (ix86_rtx_costs): Kill.
3707 2006-01-11 Jan Hubicka <jh@suse.cz>
3709 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
3710 * cgraph.h (cgraph_node): Add inline_decl.
3711 (cgraph_insert_node_to_hashtable): Declare.
3712 (save_inline_function_body): Declare.
3713 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
3715 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
3716 (cgraph_function_versioning): Update call of tree_function_versioning.
3717 (save_inline_function_body): New function.
3718 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
3719 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
3720 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
3721 (cgraph_default_inline_p): Likewise.
3722 (cgraph_decide_inlining_incrementally): Likewise.
3723 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
3724 (copy_bb): Kill saving; do updating of clones.
3725 (copy_cfg_body): Kill saving.
3726 (initialize_inlined-parameters): Likewise.
3727 (expand_call_inline): Likewise.
3729 (tree_function_versioning): New parameter "update_clones".
3730 (inlining_p): Kill saving.
3731 * tree-inline.h (tree_function_versioning): Update prototype.
3732 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
3735 2006-01-11 Ian Lance Taylor <ian@airs.com>
3737 * combine.c (struct undo): Remove is_int. Enumify types of undos.
3738 Allow undoing set of machine mode.
3739 (do_SUBST): Use enums instead of is_int.
3740 (do_SUBST_MODE): New function.
3741 (SUBST_MODE): New macro.
3742 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
3743 reg and trying to replace reg_regno_rtx with a new register.
3744 (undo_all): Use new enums, handle undoing a PUT_MODE change.
3745 (simplify_set): Use SUBST_MODE.
3746 (distribute_notes): Remove code that tried to update reg notes
3747 for regno_reg_rtx changes.
3749 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
3751 PR tree-optimization/23109
3752 PR tree-optimization/23948
3753 PR tree-optimization/24123
3755 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
3756 * tree-cfg.c (single_noncomplex_succ): New.
3757 * tree-flow.h (single_noncomplex_succ): Declare it.
3758 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3759 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3760 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
3761 insert_bb, register_division_in, insert_reciprocals,
3762 replace_reciprocal, free_bb): New.
3763 (execute_cse_reciprocals_1): Rewritten.
3764 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
3765 Do not commit any edge insertion. Always compute dominators and
3766 create the allocation pool.
3767 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
3768 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
3769 * targhooks.c (default_min_divistions_for_recip_mul): New.
3770 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
3771 * passes.c (init_optimization_passes): Run recip after tree loop
3773 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
3775 2006-01-11 Danny Berlin <dberlin@dberlin.org>
3776 Kenneth Zadeck <zadeck@naturalbridge.com>
3778 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
3779 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
3780 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
3781 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
3782 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
3783 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
3784 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
3785 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
3786 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
3787 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
3788 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
3789 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
3790 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
3791 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
3792 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
3793 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
3794 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
3795 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
3796 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
3797 DF_SCAN_POST_ALLOC): New macros.
3798 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
3799 df_free_bb_function, df_local_compute_function, df_init_function,
3800 df_dataflow_function, df_confluence_function_0,
3801 df_confluence_function_n, df_transfer_function,
3802 df_finalizer_function, df_free_function, df_dump_problem_function,
3803 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
3804 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
3805 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
3806 df_urec_bb_info, ) New types.
3807 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
3809 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
3810 df_analyze_simple_change_some_blocks,
3811 df_analyze_simple_change_one_block, df_compact_blocks,
3812 df_bb_replace, df_bb_regno_last_use_find,
3813 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
3814 df_insn_regno_def_p, df_find_def, df_find_use,
3815 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
3816 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
3817 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
3818 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
3819 debug_df_chain, df_get_dependent_problem, df_chain_create,
3820 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
3821 df_grow_bb_info, df_chain_dump, df_print_bb_index,
3822 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
3823 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
3824 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
3825 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
3826 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
3827 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
3828 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
3829 df_ref_remove, df_insn_refs_delete, df_refs_delete,
3830 df_reorganize_refs, df_set_state, df_hard_reg_init,
3831 df_read_modify_subreg_p) New public functions.
3832 * df-core.c: The core dataflow solver and glue routines for rtl
3834 (df_init, df_add_problem, df_set_blocks, df_finish,
3835 df_hybrid_search_forward, df_hybrid_search_backward,
3836 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3837 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3838 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3839 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3840 df_reg_defined, df_find_use, df_reg_used, df_dump,
3841 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3842 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3843 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3844 debug_df_useno, reset_df_after_reload): New functions.
3845 * df-scan.c: The scanning fuctions, once in df.c, completely
3846 rewritten so that they now fully model the functionality of
3847 register usage at the backend.
3848 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3849 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
3850 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
3851 df_grow_insn_info, df_rescan_blocks, df_ref_create,
3852 df_get_artificial_defs, df_get_artificial_uses,
3853 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
3854 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
3855 df_refs_delete, df_reorganize_refs, df_set_state,
3856 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
3857 df_def_record_1, df_defs_record, df_uses_record,
3858 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
3859 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
3860 df_record_exit_block_uses, df_hard_reg_init): New functions.
3862 * df-problems.c: Seven concrete dataflow problems that use the
3863 scanning in df-scan.c and are solved by the engine in df-core.c.
3864 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
3865 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
3866 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
3867 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
3868 df_ru_free_bb_info, df_ru_alloc,
3869 df_ru_bb_local_compute_process_def,
3870 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
3871 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
3872 df_ru_transfer_function, df_ru_free, df_ru_dump,
3873 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
3874 df_rd_free_bb_info, df_rd_alloc,
3875 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
3876 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
3877 df_rd_transfer_function, df_rd_free, df_rd_dump,
3878 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
3879 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
3880 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
3881 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
3882 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
3883 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
3884 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
3885 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
3886 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
3887 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
3888 df_urec_mark_reg_change, df_urec_check_earlyclobber,
3889 df_urec_mark_reg_use_for_earlyclobber,
3890 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
3891 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
3892 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
3893 df_urec_dump, df_urec_add_problem, df_chain_alloc,
3894 df_chain_create_bb_process_use, df_chain_create_bb,
3895 df_chain_finalize, df_chain_free, df_chains_dump,
3896 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
3897 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
3898 df_reg_lifetime): New functions.
3899 * df.c: Deleted file.
3900 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
3901 consistent with new df api.
3902 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
3903 rest_of_handle_sms): Ditto.
3904 * web.c (unionfind_union, union_defs, entry_register, web_main):
3906 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
3907 invariant_expr_equal_p, find_defs, check_dependencies,
3908 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
3909 free_inv_motion_data, move_loop_invariants): Ditto.
3910 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
3911 Update dependencies.
3912 (odf.c): Added defective entry that was deleted later in day.
3913 * sched-deps.c (sched_analyze_1): Ditto.
3915 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
3917 * tree-ssa-operands.c (get_expr_operands): Record addressable
3918 variables directly. Do not call add_stmt_operands for CONST_DECLs
3920 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
3921 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
3923 2006-01-11 Ben Elliston <bje@au.ibm.com>
3925 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
3926 function returns true in the positive case.
3928 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3931 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
3932 for SI, DI, SF and DF modes. Add alternatives to copy between
3933 general and floating point registers to the 32-bit patterns.
3934 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
3935 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
3936 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
3937 generating 64-bit code.
3938 * config/pa/pa.c (output_move_double): Handle copies between general
3939 and floating registers.
3941 2006-01-10 Stuart Hastings <stuart@apple.com>
3943 * config/i386/i386.md (set_got): Update.
3944 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
3945 (builtin_setjmp_receiver): Mach-O support.
3946 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
3947 (GOT_SYMBOL_NAME): Define.
3948 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3949 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
3950 * config/i386/i386.c (override_options): Revise for Darwin.
3951 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
3952 support. (darwin_x86_file_end): New. (output_set_got): Add label
3953 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
3954 * config/i386/i386-protos.h (output_set_got): Likewise.
3955 * config/darwin.c (machopic_legitimize_pic_address): Update
3958 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
3960 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
3961 when MODE isn't BLKmode.
3963 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3965 PR rtl-optimization/25367
3966 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
3968 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
3971 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
3972 for a negative bound.
3974 2006-01-10 Richard Guenther <rguenther@suse.de>
3976 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3977 Never override with anything constraint.
3979 2006-01-10 Jan Beulich <jbeulich@novell.com>
3981 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
3982 256 bits when optimize_size.
3984 2006-01-10 Jan Beulich <jbeulich@novell.com>
3986 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
3988 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
3989 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
3992 2006-01-10 Ben Elliston <bje@au.ibm.com>
3994 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
3996 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
3997 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3998 (USE_FP_FOR_ARG): Reject decimal float modes.
3999 (function_arg_advance): Likewise.
4000 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4001 (rs6000_handle_altivec_attribute): Do not permit decimal floating
4002 point types in AltiVec vectors.
4003 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4004 (rs6000_libcall_value): Likewise.
4006 2006-01-09 Bob Wilson <bob.wilson@acm.org>
4008 * config/xtensa/ieee754-df.S: New file.
4009 * config/xtensa/ieee754-sf.S: New file.
4010 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4011 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4012 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4014 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
4016 * config/sh/predicates.md (binary_float_operator,
4017 binary_logical_operator, commutative_float_operator,
4018 equality_comparison_operator, greater_comparison_operator,
4019 less_comparison_operator, logical_operator,
4020 noncommutative_float_operator, shift_operator,
4021 symbol_ref_operand, unary_float_operator): Remove redundant
4024 2006-01-09 Jeff Law <law@redhat.com>
4026 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4027 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
4028 now unused arguments. Callers updated.
4029 (eliminate_redundant_computations): Remove now unused arguments,
4031 (local_fold): Remove, no longer used.
4032 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4034 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4035 (simplify_cond): New function.
4036 (forward_propagate_into_cond): Call simplify_cond.
4038 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
4040 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4041 (*vec_extractv2di_1_sse): New.
4043 2006-01-09 Ben Elliston <bje@au.ibm.com>
4045 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4047 2006-01-08 Richard Guenther <rguenther@suse.de>
4049 * tree-ssa-structalias.c (get_constraint_for): Remove
4051 (get_constraint_for_component_ref): Likewise.
4052 (do_deref): Likewise.
4053 (get_constraint_for): Likewise.
4054 (do_structure_copy): Likewise.
4055 (handle_ptr_arith): Likewise.
4056 (find_func_aliases): Likewise. Remove unused need_anyoffset
4059 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
4060 Kaz Kojima <kkojima@gcc.gnu.org>
4062 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4063 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4064 (EXTRA_CONSTRAINT_C16): Remove.
4065 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4066 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4067 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4068 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4069 constants of SHmedia. Handle nested constant expressions of
4071 (andcosts): Fix the costs for SHmedia constants.
4072 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4073 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4074 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4075 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4076 (movv4hi_i, movv2si_i): Likewise.
4077 (movsi_const): Adjust the second operand of ior so to match with
4079 (movdi_const, movdi_const_32bit): Likewise.
4080 (movdi_const_16bit+1): Don't sign-extend LOW.
4081 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
4083 (*double_shori): Fix the split condition. Use GEN_INT instead
4084 of get_int_mode calls. Mask lower 16-bit of the argument of
4086 (sym2GOTPLT): Remove.
4087 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4089 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4090 instead of EXTRA_CONSTRAINT_C16.
4092 2006-01-07 Ian Lance Taylor <ian@airs.com>
4093 David Edelsohn <edelsohn@gnu.org>
4095 PR rtl-optimization/25662
4096 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4097 for constant operands instead of simplify_gen_binary.
4098 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4099 after trying simplify_binary_operation
4101 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
4103 * tree.c (iterative_hash_expr): Hash decls based on UID.
4105 2006-01-06 Eric Christopher <echristo@apple.com>
4107 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4108 (TARGET_UNWIND_EMIT): Fix spelling.
4109 * target.h (gcc_target): Add except_table_label.
4110 * except.c (output_function_exception_table): Use.
4111 * varasm.c (default_emit_except_table_label): New.
4112 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4114 (asm_out): Add here.
4115 * output.h (default_emit_except_table_label): Prototype.
4116 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4117 * config/darwin.c (darwin_emit_except_table_label): Define.
4118 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4120 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
4122 PR tree-optimization/18527
4123 * tree-ssa-loop-niter.c (number_of_iterations_cond,
4124 number_of_iterations_special, number_of_iterations_exit):
4125 Move base and step of an iv to a single structure. Add
4126 no_overflow flag, and use it in # of iterations analysis.
4127 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4128 folded_casts argument.
4129 (simple_iv): Pass base and step in a structure. Set no_overflow
4131 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4132 Evaluate expensiveness of computing # of iterations instead of
4133 the final expression.
4134 * tree-scalar-evolution.h (affine_iv): New structure.
4135 (simple_iv): Declaration changed.
4136 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4137 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4138 find_givs_in_stmt): Changed due to simple_iv change.
4140 2006-01-06 Jeff Law <law@redhat.com>
4143 * tree-cfg.c (bsi_replace): Rename final argument from
4144 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
4145 change (stmt -> orig_stmt).
4146 * tree-eh.c (verify_eh_throw_stmt_node): New function.
4147 (bsi_remove): Add new argument. Remove EH information
4149 (verify_eh_throw_table_statements): New function.
4150 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
4152 * tree-optimize.c (execute_free_cfg_annotations): Verify
4153 the EH throw statement table after removing annotations.
4154 * except.h (verify_eh_throw_table_statements): Prototype.
4155 * tree-flow.h (bsi_remove): Update prototype.
4156 * tree-vrp.c (remove_range_assertions): Add new argument to
4158 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4159 * tree-complex.c (expand_complex_div_wide): Likewise.
4160 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4161 * tree-tailcall.c (eliminate_tailcall): Likewise.
4162 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4163 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4164 * tree-nrv.c (tree_nrv): Likewise.
4165 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4166 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4167 (combine_blocks): Likewise.
4168 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4169 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4170 (cleanup_control_flow): Likewise.
4171 (remove_forwarder_block): Likewise.
4172 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4173 * tree-sra.c (sra_replace): Likewise.
4174 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4175 (forward_propagate_single_use_vars): Likewise.
4176 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4177 * tree-inline.c (expand_call_inline): Likewise.
4178 * tree-vect-transform.c (vect_transform_loop): Likewise.
4179 * tree-outof-ssa.c (rewrite_trees): Likewise.
4180 * tree-cfg.c (make_goto_expr_edges): Likewise.
4181 (cleanup_dead_labels): Likewise.
4182 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4183 (bsi_move_before, bsi_move_after): Likewise.
4184 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4185 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4187 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
4190 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4192 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4193 on non gimple variables. Also add checks at the top for decls and
4195 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4197 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4198 and IMAGPART_EXPR for creating MUST_DEFs.
4199 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4200 and NAME_MEMORY_TAG separately from the DECLs.
4202 2006-01-06 Richard Guenther <rguenther@suse.de>
4204 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4205 annotation, if necessary.
4206 * tree-ssa-pre.c (create_expression_by_pieces): Remove
4207 redundant calls to update_stmt.
4208 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4211 2006-01-05 Richard Henderson <rth@redhat.com>
4213 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4215 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4217 * c-typeck.c: Update copyright date.
4219 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4221 * c-typeck.c (build_c_cast): Always warn when casting
4222 from a pointer to an integer of different size, even if
4223 the node was constant.
4225 2006-01-05 Richard Guenther <rguenther@suse.de>
4227 PR tree-optimization/22555
4228 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4229 if one structure field is an array.
4230 * tree-ssa-operands.c (get_expr_operands): Continue scanning
4231 operands even if we found a subvar, but ignore VOPs in this
4233 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4235 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4237 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
4240 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4242 2006-01-05 Richard Guenther <rguenther@suse.de>
4243 Diego Novillo <dnovillo@redhat.com>
4245 * tree-pass.h (TODO_remove_unused_locals): Define.
4246 * gimple-low.c (expand_var_p, remove_useless_vars,
4247 pass_remove_useless_vars): Remove. Update all users.
4248 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4249 (remove_unused_locals): New function.
4250 * tree-flow.h (remove_unused_locals): Declare.
4251 * passes.c (execute_todo): Call remove_unused_locals if
4252 TODO_remove_unused_locals is set.
4253 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4254 * tree-ssa-dce.c (pass_dce): Likewise.
4255 * tree-outof-ssa.c (pass_del_ssa): Likewise.
4257 2006-01-05 Richard Guenther <rguenther@suse.de>
4259 * tree-flow.h (struct fieldoff): Decompose field to
4260 type, size and decl.
4261 * tree-ssa-alias.c (create_sft): Take type as parameter.
4262 (create_overlap_variables_for): Store type, size and decl
4263 in the fieldoff structure.
4264 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
4266 (push_fields_onto_fieldstack): Likewise.
4267 (create_variable_info_for): Likewise. Use offset for the
4268 SFT name if the decl is not available.
4270 2006-01-04 Paul Brook <paul@codesourcery.com>
4272 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
4274 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
4276 * lambda-code.c (can_put_in_inner_loop): Relax
4278 (can_put_after_inner_loop): New function.
4279 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
4280 (perfect_nestify): Change to make copies and modify uses.
4282 2006-01-04 Richard Henderson <rth@redhat.com>
4284 Merge from gomp branch:
4285 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
4286 via integer constant.
4287 (pragma_lex): Remove.
4288 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
4289 rather than parsing it.
4290 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
4291 handle_pragma_extern_prefix): Add %< %> quotes.
4292 (registered_pragmas): New.
4293 (c_register_pragma_1): New.
4294 (c_register_pragma): Use it.
4295 (c_register_pragma_with_expansion): Likewise.
4296 (c_invoke_pragma_handler): New.
4297 (init_pragma): Use cpp_register_deferred_pragma directly for
4299 * c-pragma.h (enum pragma_kind): New.
4300 (pragma_handler): New.
4301 (c_invoke_pragma_handler): Declare.
4302 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
4304 * c-common.h (c_common_pch_pragma): Update decl.
4305 * Makefile.in (c-parser.o): Update dependencies.
4306 (GTFILES): Add c-pragma.h.
4307 * c-parser.c (struct c_token): Add pragma_kind.
4308 (struct c_parser): Add in_pragma.
4309 (c_lex_one_token): Always initialize keyword and pragma_kind.
4310 Extract data for CPP_PRAGMA.
4311 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
4312 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
4313 Don't allow CPP_PRAGMA_EOL if in_pragma.
4314 (c_parser_consume_pragma): New.
4315 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
4316 (c_parser_skip_to_end_of_parameter): Likewise.
4317 (c_parser_skip_to_end_of_block_or_statement): Likewise.
4318 (c_parser_skip_to_pragma_eol): New.
4319 (c_parser_external_declaration): Handle CPP_PRAGMA.
4320 (c_parser_compound_statement_nostart): Likewise.
4321 (c_parser_statement_after_labels): Likewise.
4322 (c_parser_pragma): New.
4323 (pragma_lex): Likewise.
4324 (c_parser_pragma_pch_preprocess): New.
4325 (c_parser_new): Merge into ...
4326 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
4328 2006-01-04 Jeff Law <law@redhat.com>
4331 * tree-cfg.c (bsi_replace): Remove the original statement
4332 from the EH throw statement table.
4334 2006-01-04 Jakub Jelinek <jakub@redhat.com>
4336 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
4337 make the prototype extern "C" and add throw ().
4340 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
4341 and pos non-negative and pos + len <= 32.
4342 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
4343 drop pos + len < HOST_BITS_PER_WIDE_INT test.
4344 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
4347 * c-common.c (handle_vector_size_attribute): Reject zero vector size
4348 as well as sizes not multiple of component size.
4351 * function.c (instantiate_expr): New function.
4352 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
4353 walk its DECL_VALUE_EXPR with instantiate_expr.
4355 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
4356 DW_OP_deref{,_size} if address isn't going to be added.
4358 2006-01-04 Ben Elliston <bje@au.ibm.com>
4360 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
4361 * config/fp-bit.c: Likewise.
4363 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
4365 * dominance.c: Add comment about why we use DFS numbering
4368 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4369 Richard Henderson <rth@redhat.com>
4371 Merge from gomp-branch:
4372 * varasm.c (assemble_variable): Handle thread-local COMMON data.
4373 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
4375 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
4377 PR rtl-optimization/25578
4378 * combine.c (combine_simplify_rtx, force_to_mode): Don't
4379 pass a parameter to simplify_shift_const if changing ASHIFTRT
4382 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
4384 * builtins.c (get_builtin_sync_mem): New function.
4385 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4386 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
4387 Call get_builtin_sync_mem to generate mem rtx.
4389 2006-01-03 Richard Guenther <rguenther@suse.de>
4392 * stmt.c (add_case_node): Make sure to clear overflow flags
4395 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4397 Merge from gomp-branch.
4398 * config/sparc/sync.md: New file.
4399 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
4400 UNSPECV_LDSTUB): New constants.
4401 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
4402 * config/sparc/predicates.md (memory_reg_operand): New predicate.
4403 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
4406 2006-01-03 Roger Sayle <roger@eyesopen.com>
4408 * combine.c (reg_subword_p): New predicate to test whether the
4409 destination of a set refers to a subword/piece of a register.
4410 (try_combine): Generalize the code to merge the setting of a
4411 pseudo to a constant followed by a set of a subword of that
4412 register to a constant.
4414 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
4416 * basic-block.h (control_flow_graph): Change the type of
4417 x_label_to_block_map to VEC(basic_block,gc) *.
4418 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
4419 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
4421 * tree-ssa-propagate.c (cfg_blocks): Change the type to
4422 VEC(basic_block,heap) *.
4423 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
4424 ssa_prop_fini): Adjust the uses of cfg_blocks.
4426 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
4428 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
4430 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
4431 hashing trees instead of a pointer hash.
4432 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
4433 compare for MEM_EXPR.
4435 PR rtl-optimization/25130
4436 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
4437 when comparing MEMs for GCSE
4439 2006-01-03 Ben Elliston <bje@au.ibm.com>
4441 * targhooks.h (default_decimal_float_supported_p): Declare.
4442 * targhooks.c (default_decimal_float_supported_p): Define.
4443 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
4444 `default_decimal_float_supported_p'.
4445 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
4447 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
4449 * combine.c (apply_distributive_law <SUBREG>): Check
4450 TRULY_NOOP_TRUNCATION.
4452 2006-01-02 Geoffrey Keating <geoffk@apple.com>
4454 * dwarf2out.c (have_switched_text_section): Delete.
4455 (have_multiple_function_sections): New.
4456 (have_location_lists): Make 'bool'.
4457 (add_AT_loc_list): Use 'true' not '1'.
4458 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
4459 (output_loc_list): Use have_multiple_function_sections.
4460 (output_ranges): Likewise.
4461 (dwarf2out_begin_function): Set have_multiple_function_sections if
4463 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
4464 Check function_section rather than DECL_SECTION_NAME.
4465 (dwarf2out_finish): Use have_multiple_function_sections.
4466 Don't clear have_location_lists.
4468 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
4469 Jan Hubicka <jh@suse.cz>
4471 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
4472 case of conditional jump jumping to the next instruction.
4473 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
4474 cases of conditional jump jumping to the next instruction.
4476 2006-01-02 Jan Hubicka <jh@suse.cz>
4478 * i386.c (*_cost): Add COSTS_N_INSNS.
4479 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
4481 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
4484 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
4486 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4488 * config/arm/arm.c (all_fpus): Fix comment typo.
4489 * config/darwin.c: Likewise.
4490 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
4491 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
4492 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
4494 2006-01-01 David Edelsohn <edelsohn@gnu.org>
4496 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
4497 (rs6000_split_compare_and_swapqhi): New.
4498 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
4499 (sync_compare_and_swapqhi_internal): New.
4500 * config/rs6000/rs6000-protos.h: Declare.