1 2006-02-08 Roger Sayle <roger@eyesopen.com>
4 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5 * config/mips/_tilib.c: Remove.
6 * config/fixtfdi.c: New libgcc source file.
7 * config/fixunstfdi.c: New source file.
8 * config/floatditf.c: New source file.
9 * config/floatunditf.c: New souce file.
10 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11 files above instead of config/mips/_tilib.c.
12 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14 2006-02-08 Jeff Law <law@redhat.com>
16 PR tree-optimization/26169
17 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
20 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
22 * df.h (DF_REG_SIZE): Return the length of the initialized
25 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
27 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
28 __muldf3): Return a correctly signed zero.
30 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
32 * passes.c (register_one_dump_file): Accept the current properties
33 instead of pass number. Adjust call to dump_register. Remove
35 (register_dump_files): Now a wrapper around...
36 (register_dump_files_1): ... this one. Do not modify the pass
38 (next_pass_1): Cosmetic fix.
39 (execute_todo): Keep second parameter only. Use curr_properties
40 instead of fetching it from the pass structure. Check and set
42 (execute_one_pass): Handle TODO_set_props. Use curr_properties
43 instead of fetching it from the pass structure. Fix calls to
44 execute_todo. Update curr_properties and initialize .vcg RTL dump
45 after running the pass. Reset last_verified.
46 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
48 (FIRST_AUTO_NUMBERED_DUMP): New.
49 (dump_register): Remove "num" parameter, assign it within the
51 (get_dump_file_name): Modify template for dumps.
52 * tree-dump.h (dump_register): Adjust prototype.
53 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
54 (PROP_trees): Add PROP_gimple_lomp.
55 (TODO_set_props): New.
56 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
57 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
58 * cfgexpand.c (pass_expand): Destroy PROP_trees.
60 2006-02-08 Jakub Jelinek <jakub@redhat.com>
62 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
63 (sparc64-*-linux*): Likewise.
64 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
65 * config/sparc/t-linux: New file.
66 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
67 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
68 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
69 -m32 -mlong-double-128.
71 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
72 * config/alpha/t-linux: New file.
73 * config/alpha/libgcc-alpha-ldbl.ver: New file.
75 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
76 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
77 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
78 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
79 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
80 (CPP_ARCH32_SPEC): Remove.
82 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
84 PR tree-optimization/26145
85 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
88 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
91 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
92 >= 240000 when generating code for SOM runtime.
93 (output_indirect_call): Don't use "b,l" instruction for indirect calls
94 to $$dyncall when generating code for SOM runtime..
96 2006-02-07 Dirk Mueller <dmueller@suse.com>
99 * doc/invoke.texi (-Wsequence-point): Update documentation
100 that -Wsequence-point is implemented for C++ as well.
102 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
104 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
105 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
106 (LIB_SPEC): Likewise.
107 * doc/invoke.texi (SPARC options): Document -pthread.
109 2006-02-07 Geoffrey Keating <geoffk@apple.com>
111 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
114 2006-02-07 Roger Sayle <roger@eyesopen.com>
116 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
117 Correct comment describing BOOLEAN_TYPE.
119 2006-02-07 Dirk Mueller <dmueller@suse.com>
121 * c.opt: C++ frontend supports -Wdiv-by-zero.
122 * c-opts.c (c_common_handle_option): Remove dead case.
124 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
126 * configure.ac (TLS assembler check): Do not enable TLS by
127 default on SPARC/Solaris before version 10.
128 * configure: Regenerate.
130 2006-02-07 David Edelsohn <edelsohn@gnu.org>
132 * doc/invoke.texi (xl-compat): Document conversion and support
135 2006-02-07 Jeff Law <law@redhat.com>
137 * tree-vrp.c (find_conditional_asserts): Update comments.
138 (simplify_stmt_for_jump_threading): New.
139 (identify_jump_threads, finalize_jump_threads): New.
140 (vrp_finalize): Call identify_jump_threads.
141 (execute_vrp): Call finalize_jump_threads.
142 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
143 (vrp_element, vrp_data, vrp_element_p): Remove.
144 (vrp_hash_elt, vrp_variables_stack): Remove.
145 (vrp_hash, vrp_eq, record_range): Remove.
146 (simplify_cond_and_lookup_avail_expr): Remove.
147 (extract_range_from_cond): Remove.
148 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
149 (simplify_stmt_for_jump_threading): New.
150 (dom_thread_across_edge): New wrapper.
151 (tree_ssa_dominator_optimize): No longer initialize or
152 finalize any of the VRP datastructures. Remove iteration
153 step and simplify as a result of removal of iteration step.
154 (pass_dominator): Perform a cfg cleanup after DOM.
155 (dom_opt_finalize_block): Use the new common routines
156 for threading jumps. Simplify stack management slightly.
157 No longer need to unwind VRP state.
158 (record_equivalences_from_incoming_edge): No longer record
160 (eliminate_redundant_computations): No longer call
161 simplify_cond_and_lookup_avail_expr.
162 * tree-flow.h (potentially_threadable_block): Prototype.
163 (thread_across_edge): Likewise.
164 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
165 (tree-ssa-threadedge.o): Add dependencies.
166 * tree-ssa-threadedge.c: New file.
167 * passes.c (init_optimization_passes): Merge PHIs before
168 calling VRP. Run VRP again late in the SSA optimization pipeline.
170 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
172 * df-core.c (df_set_blocks): Do not dereference function pointers.
173 (df_finish1): Likewise.
174 (df_hybrid_search_forward): Likewise.
175 (df_hybrid_search_backward): Likewise.
176 (df_iterative_dataflow): Likewise.
177 (df_analyze_problem): Likewise.
178 (df_compact_blocks): Likewise.
180 * df-scan.c (df_rescan_blocks): Likewise.
181 (df_record_entry_block_defs): Likewise.
183 * genconditions.c (write_conditions): Guard the definition of
184 'insn_conditions' with the check on GCC version.
185 (write_writer): Guard the traversal 'insn_conditions' with
186 the check on GCC version.
188 2006-02-07 Richard Guenther <rguenther@suse.de>
192 2006-01-30 Richard Guenther <rguenther@suse.de>
194 * gimplify.c (gimplify_target_expr): Handle easy cases
195 without creating a temporary.
197 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
199 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
200 use of float in probability computations. Use edge probabilities
201 in place of statically computed probabilities.
202 (min_spec_prob): New static variable.
203 (schedule_insns): Initialize it.
204 (GET_SRC_PROB): Removed.
205 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
207 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
210 * config/ia64/unwind-ia64.c: Revert last change.
211 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
212 (INCOMING_FRAME_SP_OFFSET): Define.
214 2006-02-06 Roger Sayle <roger@eyesopen.com>
216 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
218 2006-02-07 Ben Elliston <bje@au.ibm.com>
220 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
221 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
222 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
223 (ix86_return_in_memory): Handle TDmode.
224 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
225 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
227 2006-02-06 Richard Sandiford <richard@codesourcery.com>
229 * reorg.c (dbr_schedule): Use dump_file instead of file.
231 2006-02-06 Steve Ellcey <sje@cup.hp.com>
234 * config/ia64/predicates.md (extr_len_operand): New predicate.
235 * config/ia64/ia64.md (extv): Tighten constraints.
237 (*tbit_and_2): Ditto.
238 (*tbit_and_3): Ditto.
244 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
247 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
249 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
251 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
252 loop_optimizer_init and loop_optimizer_finalize
253 * tree-ssa-sink.c (execute_sink_code): Ditto.
254 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
255 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
256 tree_ssa_loop_done): Ditto.
257 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
258 * sched-ebb.c: Include output.h.
259 (schedule_ebbs): Do not use dump argument.
260 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
261 * loop.c (loop_dump_stream): Removed.
262 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
264 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
265 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
266 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
267 loop_iterations, strength_reduce, record_biv, record_giv,
268 final_giv_value, check_final_value, check_ext_dependent_givs,
269 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
270 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
271 dump_file instead of loop_dump_stream.
272 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
274 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
276 * flow.c (life_analysis, rest_of_handle_life): Ditto.
277 * haifa-sched.c: Include output.h
278 (schedule_insns, sched_init): Do not use dump argument.
279 * mode-switching.c (optimize_mode_switching): Ditto.
280 * modulo-sched.c (stats_file): Removed.
281 (print_node_sched_params): Do not call argument dump_file.
282 (sms_schedule_by_order, loop_canon_p, sms_schedule,
283 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
285 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
287 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
288 rtl_loop_init, rtl_loop_done): Ditto.
289 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
290 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
292 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
293 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
294 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
295 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
296 * emit-rtl.c (renumber_insns): Ditto.
297 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
298 expand_gimple_basic_block, tree_expand_cfg): Ditto.
299 * regclass.c (regclass): Ditto.
300 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
301 remove_ssa_form, rewrite_out_of_ssa): Ditto.
302 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
303 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
305 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
306 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
308 * gcse.c (gcse_file, debug_stderr): Removed.
309 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
310 rest_of_handle_gcse): Do not use dump argument.
311 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
312 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
313 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
314 compute_code_hoist_vbeinout, compute_code_hoist_data,
315 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
316 compute_store_table, build_store_vectors, insert_insn_start_bb,
317 insert_store, remove_reachable_equiv_notes, replace_store_insn,
318 store_motion): Use dump_file instead of gcse_file.
319 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
320 * profile.c (profile_dump_file): Removed.
321 (branch_prob): Use dump_file instead of profile_dump_file.
322 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
324 * tree-ssa-copy.c (dump_copy_of): Ditto.
325 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
326 dump file to life_analysis.
327 * bt-load.c (branch_target_load_optimize): Ditto.
328 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
330 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
331 regclass, dbr_schedule): Declaration changed.
332 * sched-int.h (sched_init): Declaration changed.
333 * tree-profile.c (tree_profile_dump_file): Removed.
334 (tree_profile_hooks): Removed profile_dump_file hook.
335 * rtl-profile (rtl_profile_dump_file): Removed.
336 (rtl_profile_hooks): emoved profile_dump_file hook.
337 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
339 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
340 * tree-cfg.c (build_tree_cfg): Ditto.
341 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
342 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
344 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
345 life_analysis and schedule_insns.
346 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
348 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
350 * config/mips/mips.c (mips_reorg): Ditto.
351 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
354 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
356 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
357 (s390_mangle_fundamental_type): New.
358 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
361 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
362 (alpha_mangle_fundamental_type): New.
363 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
366 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
368 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
370 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
371 (sparc_mangle_fundamental_type): New.
373 2006-02-06 Jakub Jelinek <jakub@redhat.com>
375 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
376 (s390x-*-linux*): Likewise.
377 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
378 * config/s390/t-linux: New file.
380 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
382 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
383 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
385 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
387 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
388 (ANTIC_SAFE_LOADS): New macro.
389 (find_or_generate_expression): Add prototype.
390 (set_contains_value): Allow null set for sake of not always having
391 to allocate ANTIC_SAFE_LOADS.
392 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
393 Allow COMPONENT_REF too.
394 (valid_in_set): Allow COMPONENT_REF.
395 Check ANTIC_SAFE_LOADS too.
396 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
397 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
399 (can_PRE_operation): Add COMPONENT_REF.
400 (create_component_ref_by_pieces): New function.
401 (create_expression_by_pieces): Use create_component_ref_by_pieces.
402 (insert_aux): Move AGGREGATE_TYPE_P check here.
403 (compute_avail): Set bb local stmt uids.
404 (pass_pre): Use TODO_update_ssa_only_virtuals.
406 2006-02-06 Ben Elliston <bje@au.ibm.com>
408 * configure.ac: Unconditionally disable decimal float by default.
409 * configure: Regenerate.
411 2006-02-06 Ben Elliston <bje@au.ibm.com>
413 * read-rtl.c (read_name): Terminate reading on EOF.
415 2006-02-06 Ben Elliston <bje@au.ibm.com>
417 * dfp.c (decimal_real_arithmetic): Change second argument type
418 from int to enum tree_code. Do not always return true, but now
419 return result of any call to decimal_do helper functions.
420 * dfp.h (decimal_real_arithmetic): Update prototype.
422 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
424 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
426 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
429 * tree-cfg.c (cleanup_dead_labels): Also don't remove
432 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
434 * tree-vrp.c (cfg_loops): Removed.
435 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
436 Use current_loops instead of cfg_loops. Pass flags to
438 * cfgloopmanip.c (fix_loop_structure): Update only available
440 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
442 * modulo-sched.c (build_loops_structure): Removed.
443 (sms_schedule): Use loop_optimizer_init.
444 * loop-init.c (loop_optimizer_init): Use flags to determine
445 which properties of loops to prepare.
446 (rtl_loop_init): Pass flags to loop_optimizer_init.
447 * tree-ssa-sink.c (execute_sink_code): Ditto.
448 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
449 * tree-ssa-pre.c (init_pre): Ditto.
450 * cfgloop.h (LOOPS_NORMAL): New.
451 (loop_optimizer_init): Declaration changed.
453 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
455 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
456 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
458 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
460 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
462 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
463 * pa/t-pa64: Delete quadlib.c rule.
464 * pa/x-ada: Revert last change.
465 * pa/t-pa: Revert last change. Delete quadlib.c rule.
467 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
469 PR rtl-optimization/26087
470 * rtlanal.c (canonicalize_condition): Do not cross basic block
473 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
476 * config/ia64/ia64.c: Include debug.h.
477 (MAX_ARTIFICIAL_LABEL_BYTES): New.
478 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
479 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
480 (process_epilogue, process_set, process_for_unwind_directive):
481 Output unwind info only if requested. Add CFA info if requested.
482 Add new arguments as needed. Adjust callers.
483 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
485 (DWARF2_FRAME_INFO): Define to zero.
486 * config/ia64/unwind-ia64.c: Remove code that compensated for
487 the CFA offset error fixed above.
488 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
489 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
490 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
491 -funwind-tables and -fexceptions to enable frame info.
492 (dwarf2out_frame_init): Define initial CFA even if
493 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
494 DWARF2_UNWIND_INFO is nonzero, not just defined.
495 (dwarf2out_frame_finish): Output non-EH call frame info only
496 if DWARF2_FRAME_INFO is nonzero.
497 (convert_cfa_to_loc_list,
498 compute_frame_pointer_to_cfa_displacement): Define even if
499 unwind info is not supported.
500 (gen_subprogram_die): Use the above unconditionally. Remove
501 legacy alternate code.
502 * toplev.c (compile_file): Compile in call to
503 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
504 (lang_dependent_init): Ditto for dwarf2out_frame_init.
506 2006-02-04 David Edelsohn <edelsohn@gnu.org>
507 Jakub Jelinek <jakub@redhat.com>
509 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
510 IBM extended float format long double as "g" on powerpc*-linux.
512 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
515 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
516 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
518 2006-02-03 Jason Merrill <jason@redhat.com>
521 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
524 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
525 on the return slot if it's an NRV.
527 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
529 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
530 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
531 rewrite_use): Do not handle USE_OUTER.
532 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
533 add_iv_outer_candidates, may_replace_final_value,
534 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
535 (find_interesting_uses_op): Functionality of
536 find_interesting_uses_outer_or_nonlin moved here.
537 (find_interesting_uses_outside): Use find_interesting_uses_op.
539 2006-02-03 Alan Modra <amodra@bigpond.net.au>
542 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
544 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
545 Ulrich Weigand <uweigand@de.ibm.com>
548 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
549 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
550 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
551 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
553 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
554 (s390_rtx_costs): Use the new fields to calculate rtx costs.
555 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
556 Define secondary reloads for TFmode moves.
557 (constant_modes): Add TFmode.
558 (NR_C_MODES): Set to 8.
559 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
561 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
562 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
563 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
564 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
565 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
566 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
567 (FPR mode macro): Add TFmode.
568 (DSF mode macro): New.
569 (<de>, <dee> mode attributes): Removed.
570 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
571 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
572 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
573 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
574 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
575 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
576 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
577 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
578 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
579 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
580 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
581 "*negabs<mode>2", "sqrt<mode>2"):
582 Changed <de> to <xde>. R constraint replaced by <Rf>.
583 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
585 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
586 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
587 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
589 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
590 "extenddftf2", "extendsftf2"): New expanders.
591 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
592 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
593 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
594 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
596 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
597 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
598 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
599 __floatditf): Add a GCC_4.1.0 symbol version tag.
600 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
603 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
606 * config/i386/i386.c (ix86_function_ok_for_sibcall):
607 Use targetm.binds_local_p instead of TREE_PUBLIC.
609 2006-02-02 Roger Sayle <roger@eyesopen.com>
611 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
612 on INTEGER_TYPEs to indicate that it denotes a character type.
613 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
614 signed_char_type_node, unsigned_char_type_node and char_type_node.
615 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
616 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
617 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
619 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
620 Daniel Berlin <dberlin@dberlin.org>
622 * tree-tailcall.c (arg_needs_copy_p): New function.
623 (eliminate_tail_call): Use arg_needs_copy_p.
624 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
625 (add_virtual_phis): New function.
627 2006-02-02 Jakub Jelinek <jakub@redhat.com>
629 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
630 #ignore instead of #scratch for %g7 .register directive.
632 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
634 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
637 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
639 * flow.c (calculate_global_regs_live): Assert that there aren't any
642 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
644 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
646 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
647 bsi_after_labels iterator.
648 * tree-if-conv.c (find_phi_replacement_condition,
649 replace_phi_with_cond_modify_expr): Likewise.
650 * tree-scalar-evolution.c (scev_const_prop): Likewise.
651 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
653 2006-02-02 Diego Novillo <dnovillo@redhat.com>
655 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
657 2006-02-02 Diego Novillo <dnovillo@redhat.com>
660 * tree-cfg.c (move_block_to_fn): Clear out the basic block
661 array after growing it.
663 2006-02-01 Steve Ellcey <sje@cup.hp.com>
666 * fold-const.c (fold_checksum_tree): Change type of buf.
668 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
670 * reload.c (push_secondary_reload): Initialize t_icode.
672 2006-02-01 Jakub Jelinek <jakub@redhat.com>
674 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
675 -msoft-float -mlong-double-128 only issue a warning, but don't
676 swich to DFmode long double.
678 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
680 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
681 has a constant equivalent, iterate over equivalents for arg0,
682 calling simplify_relational_operation and if there's a result
683 cheaper than X, apply fold_rtx and return the result.
685 2006-02-01 Jan Hubicka <jh@suse.cz>
687 * opts.c (no_unit_at_a_time_default): New global variable.
688 (decode_options): Use it.
689 * opts.h (no_unit_at_a_time_default): Declare.
691 2006-02-01 Paul Brook <paul@codesourcery.com>
693 * function.c (assign_parm_setup_reg): Use function argument promotion
695 * expr.c (expand_expr_real_1): Use function argument promotion rules
698 2006-02-01 Steve Ellcey <sje@cup.hp.com>
700 * gcc.c (process_command): Change j to 'unsigned int'.
702 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
705 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
706 Use the corrected index for the character
707 out of the string constant.
709 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
711 * mode-switching.c (optimize_mode_switching): Fix size
712 allocated for bb_info[n_entities].
714 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
716 * gcc.c (main): Correct type that is allocated for
719 2006-01-31 Jakub Jelinek <jakub@redhat.com>
721 * config/s390/s390.c (init_alignment_context): Set
722 ALIAS_SET_MEMORY_BARRIER on the MEM.
723 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
725 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
728 * loop-unroll.c (unroll_loop_runtime_iterations): Free
730 * tree-ssa-live.c (type_var_init): Allocate bitmap after
733 2006-01-31 Marcin Dalecki <martin@dalecki.de>
735 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
736 * regrename.c: Ditto.
737 * tree-ssa-loop-im.c: Ditto.
738 * tree-dump.c: Ditto.
739 * tree-complex.c: Ditto.
741 * tree-ssa-threadupdate.c: Ditto.
743 * java/class.c: Ditto.
744 * java/jcf-parse.c: Ditto.
745 * java/resource.c: Ditto.
746 * java/except.c: Ditto.
747 * java/jvspec.c: Ditto.
748 * java/jcf-write.c: Ditto.
749 * java/jcf-path.c: Ditto.
750 * java/gjavah.c: Ditto.
751 * java/zextract.c: Ditto.
752 * java/jcf-io.c: Ditto.
754 * java/buffer.c: Ditto.
755 * java/lang.c: Ditto.
756 * java/parse-scan.y: Ditto.
759 * cfgloopmanip.c: Ditto.
760 * postreload-gcse.c: Ditto.
761 * tree-ssa-loop-manip.c: Ditto.
762 * postreload.c: Ditto.
763 * tree-ssa-loop-ch.c: Ditto.
767 * diagnostic.c: Ditto.
769 * genoutput.c: Ditto.
772 * cfgloopanal.c: Ditto.
773 * objc/objc-act.c: Ditto.
775 * genextract.c: Ditto.
776 * genautomata.c: Ditto.
777 * pretty-print.c: Ditto.
779 * cgraphunit.c: Ditto.
782 * haifa-sched.c: Ditto.
783 * dominance.c: Ditto.
785 * tree-ssa-loop-ivopts.c: Ditto.
787 * mode-switching.c: Ditto.
788 * modulo-sched.c: Ditto.
790 * ipa-pure-const.c: Ditto.
792 * fix-header.c: Ditto.
794 * tree-stdarg.c: Ditto.
795 * ipa-utils.c: Ditto.
796 * loop-init.c: Ditto.
797 * ipa-inline.c: Ditto.
800 * alloc-pool.c: Ditto.
801 * dwarf2out.c: Ditto.
803 * genattrtab.c: Ditto.
804 * tree-ssa-loop-ivcanon.c: Ditto.
808 * fortran/gfortranspec.c: Ditto.
810 * local-alloc.c: Ditto.
811 * langhooks.c: Ditto.
813 * tree-vectorizer.c: Ditto.
815 * ipa-type-escape.c: Ditto.
817 * tree-if-conv.c: Ditto.
820 * tree-data-ref.c: Ditto.
821 * loop-unroll.c: Ditto.
822 * treelang/treetree.c: Ditto.
825 * ggc-common.c: Ditto.
829 * tree-cfgcleanup.c: Ditto.
830 * tree-ssa-pre.c: Ditto.
831 * cfgcleanup.c: Ditto.
832 * loop-invariant.c: Ditto.
835 * print-tree.c: Ditto.
838 * sched-deps.c: Ditto.
840 * tree-object-size.c: Ditto.
842 * bb-reorder.c: Ditto.
844 * var-tracking.c: Ditto.
846 * df-problems.c: Ditto.
847 * reg-stack.c: Ditto.
850 * sched-rgn.c: Ditto.
851 * tree-ssa-structalias.c: Ditto.
852 * tree-ssa-reassoc.c: Ditto.
853 * config/darwin-c.c: Ditto.
854 * config/darwin.c: Ditto.
855 * config/arm/arm.c: Ditto.
860 2006-01-31 Nicolas Pitre <nico@cam.org>
862 * arm.md (smaxsi3): Make aware of smax_m1.
865 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
867 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
869 2006-01-31 Richard Guenther <rguenther@suse.de>
871 * doc/invoke.texi (-msselibm): Document.
872 * target.h (expand_library_builtin): New target hook.
873 * builtins.c (expand_builtin): Use expand_library_builtin.
874 (default_expand_library_builtin): New function.
875 * gcc.c (LINK_GCC_MATH_SPEC): Define.
876 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
877 (link_gcc_math_spec): Declare.
878 (static_specs): Add link_gcc_math_spec.
879 * expr.h (default_expand_library_builtin): Declare.
880 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
881 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
882 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
883 * config/i386/i386.opt (msselibm): New target option.
884 * config/i386/i386.c (ix86_builtin_function_variants): New array.
885 (ix86_init_sse_abi_builtins): New function.
886 (ix86_expand_library_builtin): Likewise.
887 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
888 (override_options): Handle error conditions wrt -msselibm.
889 (ix86_builtins): Add function codes for SSE2 ABI builtins.
890 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
891 * doc/extend.texi (__builtin_sse2_*): Document new target specific
894 2006-01-31 Richard Guenther <rguenther@suse.de>
895 Paolo Bonzini <bonzini@gnu.org>
897 * doc/install.texi (--disable-libgcc-math): Document.
899 2006-01-30 Marcin Dalecki <martin@dalecki.de>
901 * expr.h (expand_normal): new inline function.
902 * builtins.c: use it, use EXPAND_NORMAL explicitely.
904 * dwarf2out.c: use it.
909 * config/sparc/sparc.c: use it.
910 * config/i386/i386.c: use it.
911 * config/rs6000/rs6000.c: use it.
912 * config/arm/arm.c: use it.
913 * config/mips/mips.c: use it.
914 * stmt.c: use it, use EXPAND_NORMAL explicitely.
916 2006-01-30 Roger Sayle <roger@eyesopen.com>
918 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
919 argv to the appropriate type.
921 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
923 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
926 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
929 * config/s390/s390.c (struct machine_function): New flag
930 decomposed_literal_pool_addresses_ok_p.
931 (s390_reorg): Set it before final stage of literal pool transforms.
932 (s390_decompose_address): Only accept displacements of the form
933 (minus (label_ref ...) (label_ref ...)) if that flag is set.
935 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
937 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
938 the comparison routine return.
940 2006-01-30 Michael Matz <matz@suse.de>
942 * global.c (find_reg): Only evict for global regs.
943 Take n_refs into account and dump more info.
945 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
948 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
949 (pragma_trap, pragma_nosave_low_regs): Likewise.
950 (current_function_anonymous_args): Likewise.
951 (sh_deferred_function_attributes): New variable.
952 (sh_deferred_function_attributes_tail): Likewise.
953 (print_operand): For '@', look up trap_exit attribute.
954 (calc_live_regs): Look up trapa_handler attribute. For trapa
955 handlers, save/restore fpscr, but don't do any other
956 interrupt-specific saves.
957 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
958 Fix check for partially saved registers to check for SHmedia.
959 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
960 (sh_output_function_epilogue): Don't clear any of the removed
962 (sh_insert_attributes): Don't check pragma_interrupt.
963 Insert deferred attributes. Check that interrupt attribute is
964 present for other attributes that require its presence.
965 (sh_attribute_table): Add new attributes trapa_handler and
967 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
968 Don't check for pragma_interrupt. Don't store argument.
969 * sh.h (pragma_interrupt, sp_switch): Don't declare.
970 (sh_deferred_function_attributes): Declare.
971 (sh_deferred_function_attributes_tail): Likewise.
972 * sh.md (sp_switch_1): Add operand. Change generator caller.
973 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
974 (*return_i): Don't use when trap_exit attribute is in effect.
975 (*return_trapa): New insn pattern.
977 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
978 setting c_target_objs and cxx_target_objs.
979 * t-sh: Add rule for sh-c.o.
981 2006-01-30 Richard Guenther <rguenther@suse.de>
984 * gimplify.c (gimplify_target_expr): Handle easy cases
985 without creating a temporary.
987 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
989 * vec.h (safe_grow): Remove duplicated line.
991 2006-01-29 Diego Novillo <dnovillo@redhat.com>
994 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
995 (expand_omp): ... here.
996 (expand_omp_parallel): Only remove barriers for combined
997 parallel+workshare constructs.
999 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
1003 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1004 * tree.c (build_qualified_type): Chain the new type to the original
1005 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1006 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1007 (build_pointer_type_for_mode): Only return unqualified types.
1008 (build_reference_type_for_mode): Likewise.
1010 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
1012 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1013 * Makefile.in (CXX_COMPAT_WARN): Define.
1014 * configure: Regenerate.
1016 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
1019 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1022 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1024 * toplev.c: Fix thinko.
1026 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1027 Marcin Dalecki <martin@dalecki.de>
1029 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1030 (push_srcloc): Use XNEW.
1031 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1033 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1035 * df-core.c (df_set_blocks): Deleted all variable.
1037 2006-01-28 Ian Lance Taylor <ian@airs.com>
1039 * cgraphunit.c (cgraph_assemble_pending_functions): Call
1040 cgraph_output_pending_asms.
1042 2006-01-28 Zack Weinberg <zackw@panix.com>
1044 * c.opt: Add -W(no-)overlength-strings.
1045 * doc/invoke.texi: Document it.
1046 * c-opts.c (c_common_handle_option): -pedantic implies
1047 -Woverlength-strings, if not explicitly disabled already.
1048 (c_common_post_options): -Woverlength-strings defaults to off, and
1049 is always off for C++.
1050 * c-common.c (fix_string_type): Issue warning about strings longer
1051 than is portable only if warn_overlength_strings. Rearrange code
1052 a little for clarity.
1053 * configure.in: Check for -Wno-overlength-strings as well before
1054 enabling -pedantic in stage 1.
1055 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1056 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1058 * genconditions.c (write_header, write_one_condition)
1059 (write_conditions, write_writer): Consolidate very long strings
1060 that were broken up to fit in C89 portable limit. Don't use
1061 printf when fputs will do.
1063 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
1065 * combine.c (simplify_comparison <AND>): Check
1066 TRULY_NOOP_TRUNCATION before start using a subreg.
1068 * config/mips/mips.md (*branch_zero<mode>,
1069 *branch_zero<mode>_inverted, *branch_equality<mode>,
1070 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1071 Remove mode check from comparisons.
1073 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
1075 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1077 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1079 * expmed.c (const_mult_add_overflow_p): Remove.
1080 * expr.h: Remove the prototype for const_mult_add_overflow_p.
1082 * recog.c (validate_replace_rtx_subexp): Remove.
1083 * recog.h: Remove the prototype for
1084 validate_replace_rtx_subexp.
1086 * integrate.h: Remove the prototype for
1087 copy_decl_for_inlining.
1088 * rtl.h: Remove the prototype for mark_constant_function.
1089 * tree-vectorizer.h: Remove the prototype for
1090 vect_strip_conversion.
1092 * modulo-sched.c (create_partial_schedule,
1093 free_partial_schedule, reset_partial_schedule): Make them
1096 * hooks.c (hook_bool_rtx_int_false): Remove.
1097 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1099 2006-01-28 David Edelsohn <edelsohn@gnu.org>
1101 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1102 and -mlong-double-128 are incompatible.
1103 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1104 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1105 (TARGET_LIBGCC2_CFLAGS): Define.
1106 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1107 (TARGET_LIBGCC2_CFLAGS): Same.
1108 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1110 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1113 * c-typeck.c (build_binary_op): Perform implicit casts of
1114 operands before shortening them.
1116 * cfgloopmanip.c (split_loop_bb): Remove.
1117 * cfgloop.h: Remove the prototype for split_loop_bb.
1119 * cfgloop.c (flow_loop_outside_edge_p): Remove.
1120 * cfgloop.h: Remove the prototype for
1121 flow_loop_outside_edge_p.
1123 * emit-rtl.c (init_virtual_regs): Make it static.
1124 * function.h: Remove the prototype for init_virtual_regs.
1126 * recog.c (peephole2_optimize): Make it static.
1127 * recog.h: Remove the prototype for peephole2_optimize.
1129 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1131 * df-scan.c (df_record_entry_block_defs): Check if
1132 INCOMING_RETURN_ADDR_RTX is defined.
1134 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
1135 Kenneth Zadeck <zadeck@naturalbridge.com>
1137 PR rtl-optimization/24762
1138 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1139 * targhooks.c (hook_void_bitmap): New hook prototype.
1140 * targhoohs.h (hook_void_bitmap): Ditto.
1141 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1142 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1143 * target.h (live_on_entry): New function pointer.
1144 * df-scan.c (df_all_hard_regs): Removed.
1145 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1146 (df_scan_free_internal): Added df->entry_block_defs.
1147 (df_scan_alloc): Ditto.
1148 (df_scan_dump): Ditto.
1149 (df_uses_record): Plumbed flag field properly thru calls.
1150 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1151 This part fixes PR24762.
1152 (df_bb_refs_record): Added code to make the frame and arg
1153 pointers live in EH blocks.
1154 (df_refs_record): Added call to df_record_entry_block_defs.
1155 (df_record_entry_block_defs): New function.
1156 * df-core.c: Added comments to describe new artifical defs.
1157 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1158 (entry_block_defs): New field in struct df.
1159 (df_all_hard_regs): Deleted.
1160 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1161 * df-problems.c (df_ru_bb_local_compute_process_def):
1162 Added code to handle artifical defs in the entry to a function.
1163 (df_ru_bb_local_compute): Ditto.
1164 (df_rd_bb_local_compute_process_def): Ditto.
1165 (df_rd_bb_local_compute): Ditto.
1166 (df_lr_bb_local_compute): Ditto.
1167 (df_ur_bb_local_compute): Ditto.
1168 (df_urec_bb_local_compute): Ditto.
1169 (df_chain_create_bb): Ditto.
1170 (df_ur_local_finalize): Removed entry.
1171 (df_urec_init): Ditto.
1172 (df_urec_local_finalize): Ditto.
1173 (df_ri_bb_compute): Added detection of last use of pseudos.
1174 * Makefile.in (df-scan.o): Updated dependencies.
1175 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1176 * config/mips/mips.c (mips_set_live_on_entry): Added.
1177 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1179 * dce.c (marked_insn_p): Added code to handle artifical defs.
1181 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1183 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1185 (_mm_cvtsi128_si64): Likewise.
1186 (_mm_cvtsd_si64): Likewise.
1187 (_mm_cvttsd_si64): Likewise.
1188 (_mm_cvtsi64_sd): Likewise.
1189 (_mm_cvtsi64_si128): Likewise.
1190 * config/i386/mmintrin.h (_m_from_int64): Likewise.
1191 (_mm_cvtsi64_m64): Likewise.
1192 (_m_to_int64): Likewise.
1193 (_mm_cvtm64_si64): Likewise.
1194 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1195 (_mm_cvttss_si64): Likewise.
1196 (_mm_cvtsi64_ss): Likewise.
1197 (_mm_cvtss_f32): Likewise.
1199 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
1201 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1202 for pragma redefine_extname.
1204 2006-01-27 Jakub Jelinek <jakub@redhat.com>
1207 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1208 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1209 -mno-minimal-toc to previous content.
1210 (bispecs): Remove goal.
1211 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1212 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1213 compatibility aliases on powerpc-*-*gnu*.
1214 * config/rs6000/libgcc-ppc-glibc.ver: New file.
1215 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1216 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1217 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1218 (ldblspecs): New goal.
1219 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1220 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1222 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1223 L_sf_to_tf or L_df_to_tf is defined.
1225 2006-01-27 David Edelsohn <edelsohn@gnu.org>
1226 Alan Modra <amodra@bigpond.net.au>
1229 * config/rs6000/linux.h (POWERPC_LINUX): Define.
1230 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1231 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1232 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1233 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1234 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
1235 (rs6000_override_options): Initialize rs6000_ieeequad.
1236 Initialize TFmode format to ibm_extended_format if not
1238 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
1240 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
1241 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
1242 (function_arg_advance): IBM long double passed in two FPRs, not
1244 (function_arg): IBM long double passed in FPRs.
1245 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
1246 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
1247 Only multireg GPR aligned.
1248 (rs6000_init_libfuncs): Enable IBM long double functions if not
1250 (rs6000_generate_compare): Use IBM long double compare if not
1252 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
1253 (TARGET_IEEEQUAD): Define.
1254 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
1255 not TARGET_IEEEQUAD.
1256 * config/rs6000/rs6000.md: Enable TFmode patterns if
1258 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
1259 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1260 and -mlong-double-128 are incompatible.
1261 * doc/invoke.texi (-mabi): Collect options together. Add
1262 ibmlongdouble and ieeelongdouble.
1264 2006-01-27 Richard Sandiford <richard@codesourcery.com>
1266 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
1268 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
1269 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
1270 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
1271 * rtl.h (rtunion_def): Remove rt_ptr.
1273 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
1274 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
1275 * config/i386/winnt.c (i386_pe_mark_dllexport)
1276 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
1278 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
1280 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
1282 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1286 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
1287 pthread_key_delete. From John David Anglin. gthrw-ify
1288 pthread_getunique_np only if it it's not a macro. Delete
1290 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
1291 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
1292 __gthread_objc_condition_signal, __gthread_key_delete): Add
1293 "__attribute__ ((__unused__))" to unused arguments.
1294 (__gthread_recursive_mutex_init_function): Add missing return.
1295 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
1296 gthr-posix95.h: Use macro-based approach for name redirection
1297 on targets missing weakref.
1299 2006-01-26 Zack Weinberg <zackw@panix.com>
1301 * genconditions.c (write_header): In generated code, #ifdef out
1302 all includes and fake declarations, except includes of bconfig.h
1303 and system.h, unless GCC_VERSION >= 3001. Do not include
1304 gensupport.h in any case.
1305 (write_conditions): Generate a definition of struct c_test. Add
1306 a comment to the generated #endif.
1307 (write_one_condition): Escape backslashes in string too.
1308 (write_writer): Generated code must escape backslashes and quote
1309 marks (but not newlines) in the strings it writes.
1310 * Makefile.in (build/gencondmd.o): Update dependencies.
1312 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1315 * Makefile.in (insn-automata.o): Add header file dependencies.
1316 * genautomata.c: Add includes.
1318 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1321 * Makefile.in (insn-automata.o): Add -Wno-error flag.
1323 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1325 * configure.ac: Expect target tools paths to be passed from the toplevel
1326 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
1328 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
1330 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1333 * c.opt (Wpointer-sign): Init to -1.
1334 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
1335 OPT_pedantic, to 0 otherwise.
1336 * doc/invoke.texi: Update.
1338 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1340 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
1341 constants provided by 80387 instructions in the destination mode.
1343 2006-01-26 Richard Guenther <rguenther@suse.de>
1344 Andrew Pinski <pinskia@physics.uc.edu>
1347 partial PR tree-opt/17064
1348 * tree-ssa-structalias.c (intra_create_variable_infos):
1349 Create heap variables for incoming parameters if
1350 flag_argument_noalias > 1.
1351 (find_what_p_points_to): Look through default defs of
1354 2006-01-26 Jeff Law <law@redhat.com>
1357 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
1358 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
1359 within the VR_RANGE, use the VR_RANGE as the result, not the
1361 (adjust_range_with_scev): Reject ranges from SCEV which are out of
1362 bounds for the type.
1364 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
1366 * tree-ssa-alias.c (maybe_create_global_var): Change
1367 subvar walking to an assertion that we don't have subvar'd variables.
1369 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
1372 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1373 Use a new variable, inner. PARM_DECLs are always non-weak.
1375 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
1377 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1380 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
1382 * config/mips/mips.md (*clear_upper32): New combiner pattern.
1384 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
1386 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1387 (smax_insn, smin_insn, smax_0, smin_0): New.
1389 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
1392 * config/cris/cris.c (cris_order_for_addsi3): New function.
1393 * config/cris/cris-protos.h: Prototype it.
1394 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1395 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1396 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1397 (split for "op.S1 [rx=rx+i],ry (swapped)")
1398 (split for "op(s|u).S1 [rx=rx+i],ry")
1399 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1400 Apply cris_order_for_addsi3 when generating addsi3 insns.
1402 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1404 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1405 (TREE_BLOCK): Add call to EXPR_CHECK.
1407 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1410 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1411 * tree-pretty-print.c (dump_omp_clause): Extract from ...
1412 (dump_omp_clauses): ... here.
1413 (dump_generic_node): Handle OMP_CLAUSE.
1414 * tree.c (omp_clause_num_ops): New.
1415 (omp_clause_code_name): New.
1416 (tree_code_size): Handle OMP_CLAUSE.
1417 (tree_size): Likewise.
1418 (make_node): Document handling of OMP_CLAUSE.
1419 (tree_node_structure): Handle OMP_CLAUSE.
1420 (omp_clause_check_failed): New.
1421 (omp_clause_range_check_failed): New.
1422 (omp_clause_operand_check_failed): New.
1423 (build_omp_clause): New.
1424 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1425 * tree.h (enum omp_clause_code): Declare.
1426 (OMP_CLAUSE_SUBCODE_CHECK): Define.
1427 (OMP_CLAUSE_RANGE_CHECK): Define.
1428 (OMP_CLAUSE_ELT_CHECK): Define.
1429 (omp_clause_check_failed): Declare.
1430 (omp_clause_operand_check_failed): Declare.
1431 (omp_clause_range_check_failed): Declare.
1432 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1433 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1434 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1435 (OMP_CLAUSE_LASTPRIVATE): Likewise.
1436 (OMP_CLAUSE_IF_EXPR): Likewise.
1437 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1438 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1439 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
1440 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
1441 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
1442 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
1443 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
1444 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
1445 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
1446 (OMP_CLAUSE_CODE): Define.
1447 (OMP_CLAUSE_SET_CODE): Define.
1448 (OMP_CLAUSE_CODE): Define.
1449 (OMP_CLAUSE_OPERAND): Define.
1450 (struct tree_omp_clause): Declare.
1451 (union tree_node): Add field 'omp_clause'.
1452 * treestruct.def (TS_OMP_CLAUSE): Define.
1453 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
1454 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
1455 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
1456 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
1457 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
1458 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
1459 (OMP_CLAUSE): Define.
1460 * print-tree.c (print_node): Handle OMP_CLAUSE.
1461 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
1462 * c-typeck.c: Likewise.
1463 * gimplify.c: Likewise.
1464 * c-omp.c: Likewise.
1465 * tree-nested.c: Likewise.
1466 * tree-inline.c: Likewise.
1467 * c-parser.c: Likewise.
1468 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
1471 2006-01-25 Roger Sayle <roger@eyesopen.com>
1473 PR rtl-optimization/25703
1474 * combine.c (try_combine): Handle zero_extract and strict_low_part
1475 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
1477 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
1479 * global.c: Fix comment typos.
1481 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
1484 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
1485 Use output_addr_const instead of assemble_name.
1487 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
1489 * Makefile.in (sched-vis.o): Update dependencies.
1490 * haifa-sched.c (sched_finish): Clear current_sched_info.
1491 * cfg.c (dump_bb_info): New, split from dump_flow_info.
1492 (dump_flow_info): Call it.
1493 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
1495 * basic-block.h (dump_bb_info): Declare.
1496 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
1497 option, and apply options only for dump files whose TDF_RTL,
1498 TDF_TREE, or TDF_IPA bits match.
1499 * rtl.h: Declare new functions exported from sched-vis.c.
1500 * sched-vis.c: Enable also if scheduling is not used.
1501 (print_value): Print the mode of registers if not inside scheduling.
1502 (print_insn): Make it work outside the scheduler. Beautify the output
1504 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
1506 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1508 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
1509 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
1510 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
1511 depending on the value of CONSTANT_POOL_ADDRESS_P.
1512 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
1514 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
1515 rather than SYMBOL_REF_DECL.
1516 (rtx_constant_pool): Remove const_rtx_sym_htab.
1517 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
1518 (init_varasm_status): Don't initialize const_rtx_sym_htab.
1519 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
1520 Remove handling of const_rtx_sym_htab.
1521 (find_pool_constant): Delete.
1522 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
1523 rather than find_pool_constant.
1524 (get_pool_constant_for_function): Delete.
1525 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
1527 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
1528 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
1529 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
1530 (SYMBOL_REF_CONSTANT): New macro.
1531 (get_pool_constant_for_function): Delete.
1532 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
1533 rather than SYMBOL_REF_DECL.
1534 (i386_pe_mark_dllimport): Likewise.
1535 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
1536 rather than SYMBOL_REF_DECL.
1537 * config/darwin.c (machopic_indirect_data_reference): Likewise.
1538 (machopic_indirect_call_target): Likewise.
1540 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
1542 * flow.c (delete_noop_moves): Add missing EOL to dump message.
1544 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1546 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
1548 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
1550 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
1552 2006-01-24 David Daney <ddaney@avtrex.com>
1555 * configure.ac (enable_tls): New enable option.
1556 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
1557 * configure: Regenerate.
1558 * doc/install.texi (--enable-tls): Document new option.
1559 (--disable-tls): Ditto.
1561 2006-01-24 Richard Henderson <rth@redehat.com>
1563 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
1564 * alias.c (true_dependence): Respect it.
1565 (canon_true_dependence, write_dependence_p): Likewise.
1566 * builtins.c (get_builtin_sync_mem): Set it.
1568 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
1570 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
1573 2006-01-24 DJ Delorie <dj@redhat.com>
1575 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
1576 for storing constants in single-bit bitfields.
1578 2006-01-25 Ben Elliston <bje@au.ibm.com>
1580 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
1582 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
1585 * tree-ssa-pre.c (phi_translate): Return NULL
1586 for AGGREGATE_TYPE's.
1588 2006-01-24 Zack Weinberg <zackw@panix.com>
1590 * genautomata.c (process_state_for_insn_equiv_partition):
1591 Use xcalloc for insn_arcs_array.
1592 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
1593 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
1595 2006-01-24 Richard Henderson <rth@redhat.com>
1597 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
1600 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
1602 PR rtl-optimization/25890
1603 PR rtl-optimization/25905
1604 * combine.c (expand_compound_operation, expand_field_assignment):
1605 Fail if the bitfield's final position is out of bounds.
1607 2006-01-24 Ian Lance Taylor <ian@airs.com>
1610 * cgraphunit.c (cgraph_output_in_order): Don't clear
1611 cgraph_asm_nodes until after asm strings have been output.
1613 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
1615 * fix-header.c (read_scan_file): Add new parameter imultilib when
1616 calling register_include_chains.
1618 2006-01-23 Diego Novillo <dnovillo@redhat.com>
1620 * omp-low.c: Update documentation.
1622 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1623 Daniel Berlin <dberlin@dberlin.org>
1627 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
1628 return from the function.
1630 2006-01-22 Zack Weinberg <zackw@panix.com>
1632 * rtl.def (match_code): Add second argument.
1633 * genpreds.c (write_extract_subexp): New function.
1634 (write_match_code): Add path argument. Use write_extract_subexp.
1635 (write_predicate_expr): Pass path to write_match_code.
1636 (mark_mode_tests): MATCH_CODE applied to a subexpression does
1637 not perform a mode test.
1638 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
1639 a subexpression does not constrain the top-level code set.
1640 * read-rtl.c (read_rtx_variadic): New function.
1641 (read_rtx_1): Use it; allow AND and IOR to be variadic.
1642 * doc/md.texi: Document new notation.
1643 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
1644 (cmpsi_operand): ... here, using new notation.
1646 2006-01-22 Zack Weinberg <zackw@panix.com>
1648 * varray.c: Remove GENERATOR_FILE #ifdefs.
1650 2006-01-22 Zack Weinberg <zackw@panix.com>
1652 * genautomata.c (output_reserved_units_table): Emit nothing if
1653 description->query_units_num is zero. Remove extra blank line.
1654 (output_cpu_unit_reservation_p): Short circuit
1655 if description->query_units_num is zero.
1657 2006-01-22 Zack Weinberg <zackw@panix.com>
1659 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
1660 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
1661 nor any of the random handful of variables that used to be necessary
1662 when this program was linked with rtlanal.o. Prune set of forward
1663 function declarations.
1664 (struct attr_desc): Remove static_p field.
1665 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
1666 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
1667 (attr_string): Do not read the character one past the length of
1669 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
1670 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
1671 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
1672 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
1673 (make_automaton_attrs): New.
1674 (main): Do not call into genautomata. Call local gen_bypass
1675 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
1676 Remove special case for insn_alts.
1677 * genautomata.c: Include gensupport.h; not genattrtab.h nor
1678 varray.h (leftover from previous change). Prune set of forward
1679 function declarations. Remove state_alts fields from all
1680 structures. Remove state_alts_table from struct automaton.
1681 Make everything except main static. Do not maintain num_dfa_decls.
1682 Do not maintain state_alts fields of various structures.
1683 (process_decls): Don't validate condexp for dm_insn_reserv decls.
1684 (add_arc): Remove state_alts argument. All callers updated.
1685 (output_reserved_units_table): Emit #ifdef here...
1686 (output_tables): ...not here. Don't generate state_alts tables.
1687 (expand_automata): Don't generate attributes.
1688 (write_automata): Don't generate state_alts functions.
1689 (main): New function.
1690 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1691 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1692 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1693 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1694 (BYPASS_P_FUNC_NAME, output_state_alts_table)
1695 (output_automata_list_state_alts_code, output_internal_state_alts_func)
1696 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1697 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1699 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1700 * genattrtab.h: Delete file.
1701 * Makefile.in (OBJS-common): Add insn-automata.o.
1702 (insn-automata.o): New rule.
1703 (simple_generated_c): Add insn-automata.c.
1704 (build/genattrtab.o, build/genautomata.o): Update dependencies.
1705 (genprogmd): Add automata.
1706 (build/genattrtab): Needs no extra objects nor libraries.
1707 (build/genautomata): Needs build/vec.o and -lm.
1709 2006-01-22 Zack Weinberg <zackw@panix.com>
1711 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1712 (output_dfa_max_issue_rate, locked_states_num): Delete.
1713 (struct automaton): Add locked_states field.
1714 (output_dead_lock_vect): Save number of locked states in
1715 automaton->locked_states. If it is zero, don't print anything.
1716 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1717 (output_internal_dead_lock_func): Only test the dead_lock_vect
1718 for automata that have locked states.
1719 (output_statistics): Always print the number of locked states for
1720 each automaton. Calculate total number of locked states here.
1721 (write_automata): Don't call output_dfa_max_issue_rate.
1722 * genattrtab.c: Define length_unit_log as a const variable.
1723 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
1724 max_insn_queue_index const.
1725 * final.c (length_unit_log): Declare const.
1726 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1728 2006-01-22 Zack Weinberg <zackw@panix.com>
1730 * genautomata.c: Include vec.h, not varray.h.
1731 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1732 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
1733 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
1734 VEC_* macros operating on appropriately typed vectors, or to
1735 malloced arrays when the size is known in advance. Const-ify
1736 many char* variables and function arguments. No functional changes.
1737 * Makefile.in (build/varray.o): Delete rule.
1738 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1739 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1741 2006-01-22 Zack Weinberg <zackw@panix.com>
1743 * gensupport.c: Define get_insn_name and record_insn_name here.
1744 (read_md_rtx): Call record_insn_name as appropriate.
1745 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1746 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1747 * genpreds.c, genrecog.c: Don't define get_insn_name nor
1749 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1750 (BUILD_VARRAY): Delete.
1751 (genprognormal): Rename genprogmd. Fold in all programs from
1752 genprognoprint; also attrtab.
1753 (build/genattrtab): Just mention genautomata.o and varray.o.
1754 Reorganize a bit, add comments to make the categories clearer.
1756 2006-01-22 Zack Weinberg <zackw@panix.com>
1758 * genconditions.c (condition_table, add_condition): Delete.
1759 (write_conditions): Don't emit n_insn_conditions nor
1760 insn_elision_unavailable. Issue the gcc version #ifdef here,
1761 inside the table, with no #else clause ...
1762 (write_header): ...not here.
1763 (write_writer): New function.
1764 (main): Don't initialize condition_table. Use add_c_test.
1766 * gensupport.c (init_md_reader_args_cb): Handle multiple input
1767 files on the command line.
1768 (maybe_eval_c_test): Don't check insn_elision_unavailable.
1769 Return -1 if there is no entry in the table, don't abort.
1770 (add_c_test, traverse_c_tests): New functions.
1771 * gensupport.h (insn_elision_unavailable, insn_conditions)
1772 (n_insn_conditions): Delete declarations.
1773 (add_c_test, traverse_c_tests): Declare.
1774 * read-rtl.c: Include gensupport.h.
1775 (read_conditions): New function.
1776 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1777 (read_rtx_1): If we get EOF when we were looking for an initial
1778 open paren, return 0. Call read_conditions when appropriate.
1779 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1780 dummy-conditions.o. Eliminate references to insn-conditions.o,
1781 or change them to build/gencondmd.o, as appropriate. Remove
1782 insn-constants.h from $(simple_generated_h) and insn-conditions.c
1783 from $(simple_generated_c). For all files remaining in those
1784 two lists, add insn-conditions.md to the generator command line.
1785 Give insn-constants.h/s-constants their own rules. Add rules
1786 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1787 (build/read-rtl.o): Depend on gensupport.h.
1788 (genprognormal): Include preds.
1789 (genprogearly): Rename genprognoprint; only difference is now that
1790 they don't link with $(BUILD_PRINT).
1791 * dummy-conditions.c: Delete.
1793 2006-01-22 Zack Weinberg <zackw@panix.com>
1795 * genextract.c: Don't include insn-config.h. Do include vec.h.
1796 Declare vectors of int, char, and locstr.
1797 (locstr): New typedef.
1798 (struct extraction): Make all array fields into bare pointers.
1799 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1800 (insn_code_number): Delete.
1801 (accum_extract): New struct.
1802 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1803 (gen_insn): Take insn_code_number as an argument. Use an
1804 accum_extract structure instead of loading data directly into
1805 a struct extraction, and having to know how big it might get.
1806 (walk_rtx): Operate entirely on an accum_extract structure.
1807 (print_path): Avoid unnecessary use of printf.
1808 (print_header): New function, split out of main. Distinguish
1809 more carefully between an unrecognizable insn and an insn that
1810 has the code number of a define_expand.
1811 (main): Pass insn_code_number to gen_insn. Call print_header
1812 only after parsing. Avoid unnecessary use of printf.
1813 * Makefile.in (build/vec.o): New rule.
1814 (build/genextract): Depend on build/vec.o.
1815 (build/genextract.o): Don't depend on insn-config.h.
1817 2006-01-22 Zack Weinberg <zackw@panix.com>
1819 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
1820 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
1821 practical. Eliminate per-generator-program link rules.
1823 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1826 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1827 with a call expr to ...
1828 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1830 2006-01-23 Richard Guenther <rguenther@suse.de>
1832 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
1833 before make_edge with conditional EDGE_TRUE_VALUE.
1835 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
1836 Jan Hubicka <jh@suse.cz>
1837 Richard Guenther <rguenther@suse.de>
1839 PR rtl-optimization/25654
1840 * cfgexpand.c (aggregate_contains_union_type): New function.
1841 (add_alias_set_conflicts): Call it. Make sure to add conflicts
1842 for structure variables that contain a union type.
1844 2006-01-23 Richard Sandiford <richard@codesourcery.com>
1846 * gengtype.c (new_structure): Return the structure.
1847 (create_option): Add an extra "next" argument.
1848 (create_field): New function.
1849 (adjust_field_rtx_def): Use create_option and create_field.
1850 Remove a now-unnecessary call to find_structure.
1851 (adjust_field_tree_def): Likewise.
1852 (note_yacc_type): Remove an unnecessary call to find_structure.
1853 * gengtype.h (new_structure): Return the structure.
1854 (create_option): Add an extra argument.
1855 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
1856 (option): Adjust calls to create_option.
1858 2006-01-22 David Edelsohn <edelsohn@gnu.org>
1860 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
1862 2006-01-22 Paul Brook <paul@codesourcery.com>
1863 Peter Barada <peter@the-baradas.com>
1865 * config/m68k/m68k.md: Add Coldfire FPU support.
1866 Define FP mode macro and associated attributes.
1867 Use it for float mode patterns.
1868 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
1869 (LIBCALL_VALUE): Use m68k_libcall_value.
1870 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
1871 (m68k_function_value): Ditto.
1872 (emit_move_sequence): Ditto.
1873 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
1874 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
1875 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
1876 (MULTILIB_EXCEPTIONS): Ditto.
1877 * config/m68k/m68k.opt: Add mcfv4e.
1878 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
1879 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
1880 (m68k_output_function_prologue): Save ColdFire FPU registers.
1881 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
1882 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
1883 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
1884 ColdFire FPU registers.
1885 (m68k_libcall_value, m68k_function_value): New functions.
1886 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
1887 (LIBCALL_VALUE): Use m68k_libcall_value.
1888 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
1889 (MASK_COLDFIRE): Add MASK_CFV4E.
1890 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
1891 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
1892 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
1893 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
1894 (GO_IF_LEGITIMATE_ADDRESS): Use it.
1895 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
1896 * doc/invoke.tex: Document -mcfv4e on m68k.
1898 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
1900 * doc/contribute.texi: Change CVS to SVN and update the corresponding
1903 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
1906 * c-opts.c (c_common_handle_option): Don't include
1907 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
1908 * doc/invoke.texi (C++ Dialect Options): Document that
1909 -Wnon-virtual-dtor is no longer included in -Wall.
1911 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
1913 * gcov.c (print_version), gcov-dump.c (print_version),
1914 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
1917 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1919 * df-scan.c (problem_SCAN): Added NULL reset function.
1920 (df_scan_reset_blocks): Added code to call reset block function
1921 (df_bb_refs_delete) Fixed comment.
1922 (df_insn_refs_delete): Made tolerant of deleting non existent info
1923 for dataflow problems that need to be reset.
1924 * df-core.c (df_set_blocks): Ditto.
1925 * df.h (struct df_problem): Added reset_fun.
1926 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
1927 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
1928 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
1929 functions to clear out all references to def-use or use-def chains.
1931 2006-01-21 Ben Elliston <bje@au.ibm.com>
1933 * varasm.c (assemble_real): Initialise data array.
1935 2006-01-20 Paul Brook <paul@codesourcery.com>
1937 Merge from csl-arm-branch.
1938 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
1939 * config/arm/arm.md (movdi): Force operands[1] to a register
1940 if we have a non-register source.
1941 (*arm_movdi, *movdf_soft_insn): Require that one of the
1942 operands be a register.
1943 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
1944 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1946 2006-01-20 DJ Delorie <dj@redhat.com>
1948 * varasm.c (initialize_constant_valid_p): Allow pointers
1949 initialized from integer constants of lesser precision.
1950 (output_constant): Allow non-int-sized pointer modes to be
1951 initialized from integer constants.
1953 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
1956 * cppdefault.h (struct default_include): Add multilib flag.
1957 * cppdefault.c (cpp_include_defaults): Set it.
1958 * c.opt (-imultilib): New option.
1959 * c-opts.c (imultilib): New.
1960 (c_common_handle_option): Handle -imultilib.
1961 (c_common_post_options): Likewise.
1962 * c-incpath.c (add_standard_paths, register_include_chains):
1964 * c-incpath.h (register_include_chains): Add extra parameter.
1965 * gcc.c (do_spec_1): Generate -imultilib option.
1966 (The Specs Language): Update %I description.
1967 (process_command): Update copyright notice.
1968 * doc/cppopts.texi (-imultilib): Document.
1969 * doc/invoke.texi (-imultilib): Include in option summary.
1970 (%I): Update specs documentation.
1972 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1974 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
1976 2006-01-20 Richard Sandiford <richard@codesourcery.com>
1978 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
1981 2006-01-20 Richard Guenther <rguenther@suse.de>
1982 Steven Bosscher <stevenb.gcc@gmail.com>
1984 PR rtl-optimization/24626
1985 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
1986 EDGE_TRUE_VALUE if in RTL mode.
1989 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
1990 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
1992 2006-01-20 Dirk Mueller <dmueller@suse.com>
1995 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
1996 instead of a special NOP marker.
1997 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
1998 NOP marker handling.
1999 * c-common.h (empty_body_warning): Add forward declaration.
2000 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2001 Now uses IS_EMPTY_STMT() instead of special NOP markers.
2003 2006-01-20 Paul Brook <paul@codesourcery.com>
2005 * Makefile.in (lang_checks): Keep going if mkdir fails.
2007 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2009 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2010 be able to clean out basic block when not necessary.
2011 (df_scan_free): Fixed to properly delete information if df is
2012 unused before calling df_finish.
2013 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2014 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2016 (df_bb_refs_delete): New function.
2017 (df_refs_delete): Moved per block code to df_bb_refs_delete.
2018 * df-core.c (df_set_blocks): Added code to properly clean out
2019 unused blocks if they are not part of the blocks to consider.
2020 Added additional null check.
2021 (df_compact_blocks): Added basic block parameter to free_bb_fun to
2022 be able to clean out basic block when not necessary
2023 * df.h (df_free_bb_function): Ditto.
2024 (df_bb_refs_delete): New function.
2025 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2026 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2027 basic block parameter to be able to clean out basic block when not
2029 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2030 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2031 Fixed to properly delete information if df is unused before
2034 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2036 PR rtl-optimization/25799
2037 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2038 Corrected confluence operator to remove bits from op2 before oring
2039 with op1 rather than removing bits from op1.
2040 (df_ru_transfer_function): Corrected test on wrong bitmap which
2041 caused infinite loop. Both of these problems were introduced in
2042 the dataflow rewrite.
2044 2006-01-19 DJ Delorie <dj@redhat.com>
2046 * reload1.c (find_reload_regs): Note the details of reload
2047 failures in the dump file.
2048 (spill_failure): Likewise.
2050 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2052 * loop-iv.c: Include df.h and hashtab.h.
2053 (enum iv_grd_result): New enum.
2054 (DF_REF_IV, DF_REF_IV_SET): New macros.
2055 (struct biv_entry): New.
2056 (df, bivs): New global variables.
2057 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2058 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2060 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2061 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2062 analyzed_for_bivness_p, record_biv): New functions.
2063 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2064 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2065 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2067 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2069 (iv_number_of_iterations): Use new interface to iv analysis.
2070 * loop-unroll.c: Do not include varray.h.
2071 (analyze_iv_to_split_insn): Use new interface to iv
2073 * loop-unswitch.c (may_unswitch_on): Ditto.
2074 * df.c (df_bitmaps_free): Only work for bbs for that structures are
2076 (df_bb_modify): Realloc tables to the new index.
2077 (df_find_use): New function.
2078 * df.h (df_find_use): Declare.
2079 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2081 * cfgloop.h (struct rtx_iv): Remove analysed field.
2082 (iv_get_reaching_def): Removed.
2083 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2084 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2085 (loop-iv.o): Add df.h and hashtab.h dependency.
2086 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2088 2006-01-20 Alan Modra <amodra@bigpond.net.au>
2091 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2093 (__floatundisf, __floatundidf): Likewise.
2094 * libgcc2.h (IS_IBM_EXTENDED): Define.
2096 2006-01-19 DJ Delorie <dj@redhat.com>
2098 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2100 2006-01-19 Paul Brook <paul@codesourcery.com>
2102 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2103 as nothrow when unwinding tables are disabled.
2105 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2108 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2109 of bit-field" when in system header.
2111 2006-01-19 DJ Delorie <dj@redhat.com>
2113 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2114 the 16 bit shift limit of the m16c.
2116 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
2119 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2120 * config/i386/i386.c (output_set_got): Output the label if we have one
2121 for the TARGET_DEEP_BRANCH_PREDICTION case.
2123 2006-01-19 Jan Hubicka <jh@suse.cz>
2124 H.J. Lu <hongjiu.lu@intel.com>
2125 Evandro Menezes <evandro.menezes@amd.com>
2127 * invoke.texi (generic): Document
2129 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2130 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2131 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2132 (x86_use_incdec, x86_pad_returns): New variables
2133 (TARGET_CPU_DEFAULT_generic): New constant
2134 (TARGET_CPU_DEFAULT_NAMES): Add generic.
2135 (enum processor_type): Add generic32 and generic64.
2136 * i386.md (cpu attribute): Add generic32/generic64
2137 (movhi splitter): Behave sanely when both partial_reg_dependency and
2138 partial_reg_stall are set.
2139 (K8 splitters): Enable for generic as well.
2140 * predicates.md (incdec_operand): Use TARGET_INCDEC
2141 (aligned_operand): Avoid memory mismatch stalls.
2142 * athlon.md: Enable for generic64, new patterns for 128bit moves.
2143 * ppro.md: Enable for generic32
2144 * i386.c (generic64_cost, generic32_cost): New.
2145 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2146 (x86_use_leave): Enable for generic64. (x86_use_sahf,
2147 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
2148 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2149 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2150 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2151 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2152 x86_accumulate_outgoing_args, x86_prologue_using_move,
2153 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2154 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2156 (x86_use_incdec, x86_pad_returns): New.
2157 (override_options): Add generic32 and generic64, translate "generic"
2158 to generic32/generic64 and "i686" to "generic32", refuse
2159 "generic32"/"generic64" as arch target.
2160 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2161 (ix86_reorg): Honor PAD_RETURNS.
2163 2006-01-19 Diego Novillo <dnovillo@redhat.com>
2165 * tree-pretty-print.c (dump_generic_node): Handle
2166 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2167 * cgraph.c (cgraph_expand_queue): Rename from
2168 cgraph_analyze_queue. Update all users.
2169 * cgraphunit.c (cgraph_assemble_pending_functions): Process
2170 cgraph_expand_queue.
2171 (cgraph_expand_all_functions): Likewise.
2172 (cgraph_finalize_pending_functions): Remove. Update callers.
2174 * tree.h (OMP_DIRECTIVE_P): Define.
2175 (OMP_PARALLEL_FN): Define.
2176 (OMP_PARALLEL_DATA_ARG): Define.
2177 (OMP_SECTIONS_SECTIONS): Define.
2178 * tree-pass.h (pass_expand_omp): Declare.
2179 * omp-low.c (struct omp_region): Declare.
2180 (struct omp_context): Remove fields 'parallel_type',
2181 'parallel_start_ix' and 'parallel_start_additional_args'.
2183 (struct omp_for_data): Rename from struct expand_omp_for_data.
2184 (omp_regions): New static variable.
2185 (root_omp_region): New static variable.
2186 (find_omp_clause): Make static.
2187 (is_in_combined_parallel_ctx): Remove.
2188 (is_combined_parallel): New.
2189 (extract_omp_for_data): Move earlier in the file.
2190 (workshare_safe_to_combine_p): New.
2191 (get_ws_args_for): New.
2192 (determine_parallel_type): Move earlier in the file.
2193 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2195 (omp_copy_decl): Likewise.
2196 (create_omp_child_function): Likewise.
2197 (lookup_omp_region): New.
2198 (dump_omp_region): New.
2199 (debug_omp_region): New.
2200 (debug_all_omp_regions): New.
2201 (new_omp_region): New.
2202 (scan_omp_parallel): If parallel_nesting_level > 1, the
2203 directive is nested within another parallel directive.
2204 Set OMP_PARALLEL_FN.
2205 (scan_omp_for): Do not try to handle combined parallel+for
2207 Remove FIXME comment.
2208 (scan_omp_nested): Remove.
2209 (scan_omp_1): Do not call scan_omp_nested when
2210 parallel_nesting_level is > 1.
2211 Do not change the DECL_CONTEXT of local variables found.
2212 (lookup_decl_in_outer_ctx): New.
2213 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2214 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2215 (lower_reduction_clauses): Rename from expand_reduction_clauses.
2216 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2217 If CTX is nested, lookup VAR in the outer context when
2218 building copy assignment.
2219 (lower_send_clauses): Rename from expand_send_clauses.
2220 If CTX is nested, lookup VAR in the outer context when
2221 building copy assignments.
2222 (lower_send_shared_vars): Rename from expand_send_shared_vars.
2223 If CTX is nested, lookup VAR in the outer context when
2224 building copy assignments.
2225 (expand_parallel_call): Rename from build_parallel_call.
2226 Handle combined parallel+workshare cases.
2227 Re-implement to emit code into the CFG.
2229 (expand_omp_parallel): Re-implement to emit code into the CFG.
2230 Call move_sese_region_to_fn to outline the sub-graph
2231 containing the parallel region.
2232 (expand_omp_for_1): Remove.
2233 (expand_omp_for_generic): Re-implement to emit code into the
2235 (expand_omp_for_static_nochunk): Likewise.
2236 (expand_omp_for_static_chunk): Likewise.
2237 (expand_omp_for): Likewise.
2238 (expand_omp_sections): Likewise.
2239 (remove_exit_barriers): New.
2240 (expand_omp_synch): New.
2242 (build_omp_regions_1): New.
2243 (build_omp_regions): New.
2244 (execute_expand_omp): New.
2245 (gate_expand_omp): New.
2246 (pass_expand_omp): Define.
2247 (lower_omp_sections): Rename from expand_omp_sections.
2248 Set OMP_SECTIONS_SECTIONS.
2249 (lower_omp_single_simple): Rename from expand_omp_single_simple.
2250 (lower_omp_single_copy): Rename from expand_omp_single_copy.
2251 (lower_omp_single): Rename from expand_omp_simple.
2252 (lower_omp_master): Rename from expand_omp_master.
2253 (lower_omp_ordered): Rename from expand_omp_ordered.
2254 (lower_omp_critical): Rename from expand_omp_critical.
2255 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
2256 (lower_omp_for): Re-implement.
2257 (lower_omp_parallel): Re-implement.
2258 (lower_regimplify): Rename from expand_regimplify.
2259 (lower_omp_1): Rename from expand_omp_1.
2260 If there are syntax errors in the program, replace every
2261 OpenMP directive with NOP.
2262 Call lower_omp_* instead of expand_omp_*.
2263 (lower_omp): Rename from expand_omp.
2265 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
2266 * tree-gimple.h (enum omp_parallel_type): Remove.
2267 (gimple_boolify): Declare extern.
2268 (find_omp_clause, determine_parallel_type): Remove.
2270 * gimple-low.c (lower_omp_directive): New.
2271 (lower_stmt): Call it.
2272 (record_vars_into): Move from ...
2273 (record_vars): ... here.
2274 Call record_vars_into with current_function_decl.
2276 * gimplify.c (struct gimplify_ctx): Remove fields
2277 combined_pre_p and combined_ctxp. Update users.
2278 (get_formal_tmp_var): Add documentation.
2279 (gimple_boolify): Make extern.
2280 (gimplify_expr_in_ctx): Remove. Update callers.
2281 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
2282 will always be a BIND_EXPR.
2283 (gimplify_expr): Handle OMP_RETURN_EXPR.
2284 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
2285 (OMP_PARALLEL): Add 3 operands.
2286 (OMP_SECTIONS): Add 1 operand.
2287 (OMP_RETURN_EXPR): Define.
2289 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
2290 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
2291 * tree-iterator.c (alloc_stmt_list): Assert that we are not
2292 creating a circular free list.
2293 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
2295 * tree-flow.h (move_sese_region_to_fn): Declare.
2296 (record_vars_into): Declare.
2297 * tree-cfg.c (make_omp_sections_edges): New.
2298 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
2299 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
2300 OMP_SECTIONS and OMP_SECTION.
2301 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
2302 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
2303 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
2304 (gather_blocks_in_sese_region): New.
2305 (struct move_stmt_d): Declare.
2307 (move_block_to_fn): New.
2308 (move_sese_region_to_fn): New.
2310 * passes.c (init_optimization_passes): Schedule
2311 pass_expand_omp after pass_init_datastructures.
2313 * tree-ssa-operands.c (get_expr_operands): Handle
2314 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
2315 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
2317 2006-01-19 Jeff Law <law@redhat.com>
2319 * tree-vrp.c (extract_range_from_assert): Refine the result range
2320 if the variable referenced by the ASSERT_EXPR has a range and
2321 either the tentative result range or the previous range is a
2324 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2326 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2328 2006-01-19 Jan Hubicka <jh@suse.cz>
2330 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
2332 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
2334 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
2335 (expand_compound_operation, expand_field_assignment): Fail if the
2336 bit lengths of an extract operation are out of range.
2337 (make_extraction): Compute wanted_inner_mode based on the position
2338 and length of the extraction. Make it extraction_mode for non-constant
2339 positions, and do not modify offset in that case. When generating a
2340 new MEM, use a mode that can hold the extraction while keeping correct
2341 alignment. Remove code that supported MEMs wrapped by USEs.
2342 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
2344 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
2346 * config/s390/s390.md ("Y", "y"): New mode attribute.
2347 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2348 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
2349 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
2350 "*addsi3_imm_cc", "*addsi3_carry1_cc",
2351 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
2352 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
2353 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
2354 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
2355 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
2356 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
2357 "addsi3", "subsi3"): Insn patterns removed.
2358 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
2359 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
2360 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
2361 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
2362 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
2363 "*sub<mode>3_cconly2"): New insn patterns.
2364 ("addsi3", "subsi3"): New expanders.
2366 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
2368 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
2369 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
2370 existing STMT_VINFO_VECTYPE if available.
2371 (vect_mark_relevant): Add special handling for stmts that are
2372 marked as STMT_VINFO_IN_PATTERN_P.
2373 (vect_analyze_loop): Call vect_pattern_recog.
2374 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2375 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2377 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2378 (vect_recog_func_ptr): New function-pointer type.
2379 * tree-vect-patterns.c: New file.
2380 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2381 (vect_recog_dot_prod_pattern, vect_pattern_recog):
2382 (vect_pattern_recog_1): New functions.
2383 (vect_pattern_recog_funcs): New array of function pointers.
2385 * tree-vectorizer.h (ternary_op): New enum value.
2386 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2387 declaration. Revised documentation. Removed redundant dump prints.
2388 Removed redundant argument. Added support for reduction patterns.
2389 (vectorizable_reduction): Added support for reduction patterns.
2390 (vect_transform_stmt): Added support for patterns.
2392 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2393 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2394 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2395 (expand_widen_pattern_expr): New function.
2396 (init_optabs): Initialize new optabs udot_prod_optab,
2398 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2399 (sdot_prod_optab, udot_prod_optab): Define new optabs.
2400 (expand_widen_pattern_expr): New function declaration.
2401 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2403 * tree-inline.c (estimate_num_insns_1): Added cases for new
2404 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2405 * tree-pretty-print.c (dump_generic_node): Likewise.
2406 (op_prio): Likewise.
2407 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2408 * tree-ssa-operands.c (get_expr_operands): Added case for
2410 * tree-vect-patterns.c (widened_name_p): New function.
2411 (vect_recog_dot_prod_pattern): Added function implementation.
2412 * tree-vect-transform.c (get_initial_def_for_reduction): Added
2413 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2414 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2415 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2417 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2418 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2419 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2420 (init_optabs): Initialize new optabs widen_ssum_optab,
2422 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2423 (widen_ssum_optab, widen_usum_optab): Define new optabs.
2424 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2425 use instead of type of def.
2426 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2427 function implementation.
2428 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2429 widen_ssumv8hi): New.
2431 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2434 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2437 * c-decl.c (add_flexible_array_elts_to_size): New function.
2438 (finish_decl): Use it.
2440 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
2442 * diagnostic.h: Include options.h.
2443 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
2444 dependancies for diagnostic.h.
2445 * Makefile.in (DIAGNOSTIC_H): Add options.h.
2447 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
2449 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
2450 (ssa_ro_call_cache_valid): Ditto.
2451 * tree-ssa-alias.c (sort_tags_by_id): New function.
2452 (init_transitive_clobber_worklist): Ditto.
2453 (add_to_worklist): Ditto.
2454 (mark_aliases_call_clobbered): Ditto.
2455 (compute_tag_properties): Ditto.
2456 (set_initial_properties): Ditto.
2457 (compute_call_clobbered): Ditto.
2458 (compute_may_aliases): Call compute_call_clobbered and grouping.
2459 (compute_flow_sensitive_aliasing): Remove clobbering related code.
2460 (compute_flow_insensitive_aliasing): Grouping now happens in our
2462 (setup_pointers_and_addressables): Remove clobbering related code.
2463 (add_may_alias): Ditto.
2464 (replace_may_alias): Ditto.
2465 (get_nmt_for): Ditto.
2466 (create_global_var):
2467 (is_escape_site): Return an escape_type enumeration.
2468 * tree-flow-inline.h (is_call_clobbered): Global var does not
2469 imply call clobbered.
2470 (mark_call_clobbered): Take a reason for marking this. Remove
2471 marking of globalness, and cache invalidation.
2472 (clear_call_clobbered): Remove cache invalidation code.
2473 * tree-dfa.c (dump_variable): If details is on, dump the reason
2475 * tree-outof-ssa.c (create_temp): Copy escape mask from original
2477 * tree-flow.h (struct ptr_info_def): Add escape mask member.
2478 (struct var_ann_d): Ditto.
2479 (enum escape_type): New.
2480 (mark_call_clobbered): Adjust prototype.
2481 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
2482 are never call clobbered.
2483 Record reasons for escaping.
2484 * tree-ssa-structalias.h (is_escape_site): Update prototype.
2485 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
2486 (ssa_ro_call_cache_valid): Ditto.
2487 (clobbered_v_may_defs): Ditto.
2488 (clobbered_vuses): Ditto.
2489 (ro_call_vuses): Ditto.
2490 (clobber_stats): New.
2491 (init_ssa_operands): Zero out clobber stats.
2492 (fini_ssa_operands): Print out clobber stats.
2493 (get_call_expr_operands): Pass callee fndecl to
2495 (add_call_clobber_ops): Remove use of cache.
2496 Add use of PURE_CONST information.
2497 (add_call_read_ops): Remove use of cache.
2498 Add use of static not_read information.
2500 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
2502 Introduce TLS descriptors for i386 and x86_64.
2503 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
2504 (TARGET_ANY_GNU_TLS): New macro.
2505 (enum tls_dialect): Added TLS_DIALECT_GNU2.
2506 (struct machine_function): Add tls_descriptor_call_expanded_p.
2507 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
2508 (ix86_current_function_calls_tls_descriptor): Likewise.
2509 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
2510 (override_options): Introduce gnu2 tls dialect.
2511 (ix86_frame_pointer_required): Functions containing TLSCALLs are
2513 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
2515 (legitimize_tls_address): Adjust logic for GNU2 TLS.
2516 (ix86_init_machine_status): Initialize new field.
2517 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
2518 (ix86_tls_module_base): New.
2519 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
2520 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
2521 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
2522 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
2523 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
2524 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
2525 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
2526 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
2527 * config/i386/predicates.md (tls_modbase_operand): New.
2528 (tp_or_register_operand): New.
2530 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
2532 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
2533 (look_for_address_of): Ditto.
2534 (ipa_init): Walk the function decls.
2535 (static_execute): Don't set readonly on FUNCTION_DECL's.
2537 2006-01-18 Roger Sayle <roger@eyesopen.com>
2539 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
2540 for shifts where the source and destination registers are different.
2542 2006-01-18 Paul Brook <paul@codesourcery.com>
2544 Merge from csl-arm-branch.
2545 2005-03-14 Julian Brown <julian@codesourcery.com>
2546 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
2547 (aeabi_llsl): Likewise.
2548 (ashrdi3): Likewise.
2549 (aeabi_lasr): Likewise.
2550 (lshrdi3): Likewise.
2551 (aeabi_llsr): Likewise.
2552 2005-03-10 Julian Brown <julian@codesourcery.com>
2553 * config.gcc: Disable shared libgcc for SymbianOS.
2554 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
2556 2006-01-18 DJ Delorie <dj@redhat.com>
2558 * c-pragma.c (handle_pragma_diagnostic): New.
2559 (init_pragma): Register it.
2560 * doc/extend.texi: Document it.
2562 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
2563 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
2564 (diagnostic_context): Add classify_diagnostic[].
2565 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
2566 as errors if they're overridden to DK_WARNING.
2567 (diagnostic_initialize): Initialize classify_diagnostic[].
2568 (diagnostic_set_kind_override): New.
2569 (diagnostic_report_diagnostic): Check for kind changes.
2570 * opts.c (common_handle_option): Take lang_mask. Update callers.
2572 * common.opt (Werror=): New.
2573 * doc/invoke.texi: Document -Werror=*
2575 2006-01-18 Jeff Law <law@redhat.com>
2577 * tree-vrp.c (test_for_singularity): Correct test for new
2578 min limit. Use operand_equal_p rather than pointer equality
2579 for testing if new min/max values are equal.
2581 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
2582 using range information until after propagation and folding.
2584 2006-01-18 Richard Henderson <rth@redhat.com>
2585 Aldy Hernandez <aldyh@redhat.com>
2586 Jakub Jelinek <jakub@redhat.com>
2587 Diego Novillo <dnovillo@redhat.com>
2589 * omp-low.c: New file.
2590 * c-omp.c: New file.
2592 2006-01-18 Richard Henderson <rth@redhat.com>
2593 Jakub Jelinek <jakub@redhat.com>
2594 Diego Novillo <dnovillo@redhat.com>
2596 * doc/invoke.texi: Document -fopenmp.
2597 * tree-dump.h (debug_function): Declare.
2598 * hooks.c (hook_bool_tree_bool_false): New function.
2599 (hook_tree_tree_null): Remove.
2600 (hook_tree_tree_tree_null): New.
2601 * hooks.h: Update to match.
2602 * tree-pretty-print.c (debug_tree_chain): New.
2603 (print_generic_expr): Handle TDF_CHAIN.
2604 (dump_generic_node): Handle BLOCK.
2605 Do not abort with incomplete SWITCH_EXPRs.
2606 Do not dump body of an OpenMP directive if TDF_SLIM is given.
2607 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
2608 print space after directive name.
2609 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
2610 Handle OMP_MASTER and OMP_ORDERED.
2611 Handle printing of OMP_BODY just in one place, goto
2612 dump_omp_body in the rest of OMP_* nodes that have
2614 Don't handle clause nodes here. Update omp statements to
2615 use dump_omp_clauses.
2616 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
2617 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
2618 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
2619 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
2620 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
2621 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
2622 Adjust output for GOMP_PARALLEL.
2623 (dump_omp_clauses): New.
2624 (print_declaration): Dump DECL_VALUE_EXPR.
2625 (op_symbol_1): Split out of op_symbol.
2626 (dumping_stmts): Remove. Update all users.
2627 * cgraph.c (cgraph_analyze_queue): New.
2628 (cgraph_add_new_function): New.
2629 * cgraph.h (cgraph_analyze_queue): Declare.
2630 (cgraph_add_new_function): Declare.
2631 (cgraph_lower_function): Remove.
2632 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
2633 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
2634 and TYPE_P nodes in its default clause.
2635 (empty_body_p): New.
2636 (tree_range_check_failed): New.
2638 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
2639 OMP_CLAUSE_REDUCTION_MERGE,
2640 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
2641 OMP_CLAUSE_PRIVATE_DEBUG,
2642 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
2643 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
2644 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
2645 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
2646 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
2647 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
2648 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
2649 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
2650 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
2651 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
2652 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
2653 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
2654 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
2655 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
2656 (TREE_RANGE_CHECK): New.
2657 (empty_body_p): Declare.
2658 (enum omp_clause_default_kind): New.
2659 (build_string_literal): Declare.
2660 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
2661 (build5_stat, build5): Declare.
2662 * tree-pass.h (TDF_CHAIN): Define.
2663 * tree-pass.h (PROP_gimple_lomp): Define.
2664 (pass_lower_omp): Declare.
2665 * diagnostic.h (debug_tree_chain): Declare.
2666 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
2668 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
2669 * builtins.c (build_string_literal): Make extern.
2670 * gcc.c (include_spec_function): New.
2671 (static_spec_functions): Add it.
2672 (main): Move load of libgomp.spec ...
2673 (LINK_COMMAND_SPEC): ... here.
2674 (link_gomp_spec): New.
2675 (static_specs): Include it.
2676 (LINK_COMMAND_SPEC): Add link_gomp.
2677 (GOMP_SELF_SPECS): New.
2678 (driver_self_specs): Include it.
2679 (switch_matches): Don't mark inline.
2680 (main): Load libgomp.spec.
2681 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
2682 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
2683 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
2684 * tree-gimple.h (enum omp_parallel): Declare.
2685 (determine_parallel_type): Declare.
2686 (omp_firstprivatize_variable): Declare.
2687 (omp_reduction_init): Declare.
2688 (diagnose_omp_structured_block_errors): Declare.
2689 (struct walk_stmt_info): Add want_return_expr.
2690 (struct walk_stmt_info): Add want_bind_expr, want_locations.
2691 (find_omp_clause): Declare.
2692 (insert_field_into_struct): Declare.
2693 (struct walk_stmt_info): Move from tree-nested.c
2694 (walk_stmts): Declare.
2695 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2697 * cgraphunit.c (cgraph_lower_function): Make static.
2698 (cgraph_finalize_pending_functions): New.
2699 (cgraph_finalize_function): Call it.
2700 (cgraph_finalize_compilation_unit): Likewise.
2701 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2702 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2703 (BT_FN_UINT_UINT): New.
2704 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2705 DEF_FUNCTION_TYPE_VAR_4): Document.
2706 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2707 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2708 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2709 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2710 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2711 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2712 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2713 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2714 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2715 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2716 into separate files.
2717 (DEF_GOMP_BUILTIN): New.
2718 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2719 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2720 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2721 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2722 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2723 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2724 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2725 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2726 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2727 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2728 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2729 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2730 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2731 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2732 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2733 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2734 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2735 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2736 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2737 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2738 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2739 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2740 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2741 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2742 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2743 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2744 * sync-builtins.def: New file, moved from builtins.def.
2745 * omp-builtins.def: New file, moved from builtins.def.
2746 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2747 * gimple-low.c (lower_function_body): Clear data.
2748 (lower_stmt): Do not handle COMPOUND_EXPR.
2749 Remove call to print_node_brief.
2750 * c-tree.h (c_finish_omp_clauses): New prototype.
2751 (C_DECL_THREADPRIVATE_P): Define.
2752 (lookup_name_no_remap, c_omp_remap_private): Remove
2753 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2754 (check_for_loop_decls): Update decl.
2755 (lookup_name_no_remap, c_omp_remap_private): Declare.
2756 (build_indirect_ref, build_modify_expr, pushdecl,
2757 pushdecl_top_level): Move to c-common.h.
2758 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2759 before the switch, but just in the 2 places that need it.
2760 * c-decl.c (diagnose_mismatched_decls): Do not check for
2761 mismatched thread-local attributes when OLDDECL is marked
2762 threadprivate and NEWDECL has no thread-local attributes.
2763 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2764 (c_gimple_diagnostics_recursively): Rename from
2765 c_warn_unused_result_recursively. Invoke
2766 diagnose_omp_structured_block_errors.
2767 (check_for_loop_decls): Return a singular decl found.
2768 * langhooks.c (lhd_omp_predetermined_sharing): Return
2769 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2770 (lhd_omp_firstprivatize_type_sizes): New.
2771 (lhd_omp_assignment): New.
2772 (lhd_omp_predetermined_sharing): New.
2773 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2774 (struct lang_hooks_for_types): Add
2775 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2776 omp_predetermined_sharing, omp_disregard_value_expr,
2777 omp_private_debug_clause, omp_clause_default_ctor,
2778 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2779 (c_finish_omp_clauses): New.
2780 (c_finish_bc_stmt): Diagnose break within omp for.
2781 (c_begin_omp_parallel, c_finish_omp_parallel): New.
2782 (build_unary_op): Return error_mark after reporting
2784 (build_modify_expr): Likewise.
2785 * gimplify.c: Include optabs.h and pointer-set.h.
2786 (enum gimplify_omp_var_data): Declare.
2787 (struct gimplify_omp_ctx): Declare.
2788 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2790 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2791 (push_gimplify_context, pop_gimplify_context): Allow nesting.
2792 (splay_tree_compare_decl_uid): New.
2793 (new_omp_context): New.
2794 (delete_omp_context): New.
2795 (gimple_add_tmp_var): Call omp_add_variable.
2796 (gimplify_bind_expr): Likewise.
2797 (gimplify_var_or_parm_decl): If omp_notice_variable returned
2798 true, disregard DECL_VALUE_EXPR on the decl if any.
2799 (gimplify_expr_in_ctx): New.
2800 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2801 omp_add_variable, omp_notice_variable, omp_is_private
2802 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2803 gimplify_adjust_omp_clauses, gimplify_omp_parallel
2804 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2805 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2806 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2807 gimplify_omp_atomic): New.
2808 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2809 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2810 OMP_CRITICAL and OMP_ATOMIC.
2811 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2812 * c-pragma.h (enum pragma_kind): Add
2813 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2814 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2815 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2816 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2817 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
2818 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
2819 PRAGMA_OMP_THREADPRIVATE.
2820 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2821 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2822 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
2823 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
2824 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
2825 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
2826 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
2827 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
2828 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
2829 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
2830 * tree-ssa-dce.c (find_control_dependence): Do not assume that
2831 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
2832 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
2834 (struct nesting_info): Add field_map,
2835 suppress_expansion, debug_var_chain.
2836 (create_nesting_tree): Initialize them.
2837 (lookup_field_for_decl): Use field_map.
2838 (get_nonlocal_debug_decl, get_local_debug_decl): New.
2839 (convert_local_omp_clauses): New.
2840 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
2841 (walk_body): Split out of walk_function.
2842 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
2843 (convert_nonlocal_reference): Handle omp statements.
2844 (convert_local_reference): Likewise.
2845 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
2846 (unnest_nesting_tree): New.
2847 (lower_nested_functions): Call it.
2848 (insert_field_into_struct): Make extern.
2849 (struct walk_stmt_info): Move to tree-gimple.h.
2850 (walk_stmts): Make extern.
2851 * omp-builtins.def: New file.
2852 * tree-iterator.c (expr_only): Clarify comment.
2853 * c-common.h (pushdecl_top_level, pushdecl,
2854 build_modify_expr, build_indirect_ref,
2855 c_finish_omp_master, c_finish_omp_critical,
2856 c_finish_omp_ordered, c_finish_omp_barrier,
2857 c_finish_omp_atomic, c_finish_omp_flush,
2858 c_finish_omp_for, c_split_parallel_clauses,
2859 omp_clause_default_kind, c_omp_sharing_predetermined,
2860 c_omp_remap_decl): Declare.
2861 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
2862 (OBJS-common): Add omp-low.o.
2863 (c-omp.o, omp-low.o): Add.
2864 (gimplify.o): Add dependency on $(OPTABS_H).
2865 (GTFILES): Add omp-low.c.
2866 (gt-stringpool.h): Add.
2867 * tree-cfg.c (set_bb_for_stmt): Do not update the
2868 block-to-labels map if we are currently expanding to RTL.
2869 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
2871 Handle IDENTIFIER_NODE.
2872 (tree_verify_flow_info): Do not ICE when emitting error
2873 messages about invalid labels.
2874 (dump_function_to_file): Reset CFUN before emitting the body
2876 (debug_function): New.
2877 * passes.c (init_optimization_passes): Schedule
2879 * langhooks-def.h (lhd_omp_predetermined_sharing,
2880 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
2882 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
2883 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
2884 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
2885 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
2886 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
2887 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
2888 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
2889 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
2890 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
2891 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
2892 (LANG_HOOK_DECLS): Use them.
2894 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
2895 Richard Henderson <rth@redhat.com>
2896 Jakub Jelinek <jakub@redhat.com>
2897 Diego Novillo <dnovillo@redhat.com>
2899 * c-parser.c (pragma_omp_clause): Define.
2900 (c_parser_declaration_or_fndef): Document OpenMP syntax.
2901 (c_parser_compound_statement): Likewise.
2902 (c_parser_statement): Likewise.
2903 (c_parser_pragma): Handle omp pragmas.
2904 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
2905 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
2906 (c_parser_omp_clause_name, check_no_duplicate_clause,
2907 c_parser_omp_variable_list,
2908 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
2909 c_parser_omp_clause_copyprivate,
2910 c_parser_omp_clause_default,
2911 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
2912 c_parser_omp_clause_lastprivate,
2913 c_parser_omp_clause_nowait,
2914 c_parser_omp_clause_num_threads,
2915 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
2916 c_parser_omp_clause_reduction,
2917 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
2918 c_parser_omp_all_clauses, c_parser_omp_structured_block,
2919 c_parser_omp_atomic, c_parser_omp_barrier,
2920 c_parser_omp_critical, c_parser_omp_flush,
2921 c_parser_omp_for_loop, c_parser_omp_for,
2922 c_parser_omp_master, c_parser_omp_ordered,
2923 c_parser_omp_sections_scope, c_parser_omp_sections,
2924 c_parser_omp_parallel, c_parser_omp_single,
2925 c_parser_omp_construct, c_parser_omp_threadprivate): New.
2926 * c-pragma.c (init_pragma): Do omp pragma registration here.
2927 * c.opt (fopenmp): New flag.
2929 2006-01-18 Eric Christopher <echristo@apple.com>
2931 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
2932 * config/darwin.h (GOMP_SELF_SPECS): Define.
2934 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2936 * rtl.h: Remove the prototype for reg_alloc.
2938 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2941 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
2942 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
2943 sjlj and dwarf2 exception handling.
2944 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
2945 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
2946 * pa/pa.c (function_value): Treat complex and vector types as
2948 (function_arg): Likewise. Only pass scalar floats in the floating
2949 point argument registers.
2950 * pa/t-slibgcc-dwarf-ver: New file.
2951 * pa/t-slibgcc-sjlj-ver: New file.
2952 * pa/t-slibgcc-elf-ver: Delete file.
2954 2006-01-19 Alan Modra <amodra@bigpond.net.au>
2956 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
2957 unlikely_test_section_p test.
2959 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2961 * mode-switching.c (optimize_mode_switching): Make it static.
2962 * basic-block.h: Remove the prototype for
2963 optimize_mode_switching.
2965 * modulo-sched.c (sms_schedule): Make it static.
2966 * rtl.h: Remove the prototype for sms_schedule.
2968 * postreload-gcse.c (gcse_after_reload_main): Make it static.
2969 * rtl.h: Remove the prototype for gcse_after_reload_main.
2971 * reg-stack.c (reg_to_stack): Make it static.
2972 * rtl.h: Remove the prototype for reg_to_stack.
2974 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
2976 * rtl.h: Remove the prototypes for regrename_optimize and
2977 copyprop_hardreg_forward.
2979 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
2981 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
2982 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
2983 Test against the appropriate null constant for the mode.
2984 If 'fixup_overlap' is true, swap the operands if they overlap.
2985 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
2986 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
2987 alpha_split_tmode_pair and adjust for above change.
2988 * config/alpha/alpha.md (movtf_internal): Adjust call to
2989 alpha_split_tfmode_pair and rely on it to swap the operands.
2990 (movti_internal): New insn and post-reload splitter.
2991 (movti): New expander.
2993 2006-01-18 Philippe De Muyter <phdm@macqel.be>
2995 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
2998 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3000 * rtlanal.c (global_reg_mentioned_p_1,
3001 global_reg_mentioned_p): Remove.
3002 * rtl.h: Remove the prototype for global_reg_mentioned_p.
3004 * flow.c (initialize_uninitialized_subregs): Make it static.
3005 * rtl.h: Remove the prototype for
3006 initialize_uninitialized_subregs.
3008 * function.c (instantiate_virtual_regs): Make it static.
3009 * function.h: Remove the prototype for
3010 instantiate_virtual_regs.
3012 * regmove.c (regmove_optimize, combine_stack_adjustments):
3014 * rtl.h: Remove the prototypes for regmove_optimize and
3015 combine_stack_adjustments.
3017 2006-01-17 Roger Sayle <roger@eyesopen.com>
3019 * config/i386/i386.c (COSTS_N_BYTES): New macro.
3020 (size_cost): Encode costs in bytes so that a reg-reg addition is
3021 equivalent to COSTS_N_INSNS(1).
3022 (override_options): Use the size_cost.branch_cost as the default
3023 ix86_branch_cost when optimizing for size.
3025 2006-01-18 Ben Elliston <bje@au.ibm.com>
3027 * Makefile.in (D32PBIT_FUNCS): New.
3028 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3029 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3030 D64PBIT_FUNCS and D128PBIT_FUNCS.
3031 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3032 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3034 (decnumber_dep): Define.
3035 * doc/libgcc.texi (Decimal float library routines): New node.
3036 * config/dfp-bit.h, config/dfp-bit.c: New files.
3038 2006-01-18 Ben Elliston <bje@au.ibm.com>
3040 * expr.c (emit_move_change_mode): Always adjust addresses, not
3041 just during reload. Copy replacements only during reload.
3042 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3043 emit_move_via_integer.
3045 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
3047 * Makefile.in (check-%, check-consistency): Use $${srcdir}
3048 instead of $(srcdir) and ${srcdir}.
3050 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
3054 * arm.h (struct machine_function): Add pic_reg.
3055 * arm.c (arm_pic_register): Make unsigned.
3056 (arm_override_options): Only set arm_pic_register if
3057 TARGET_SINGLE_PIC_BASE.
3058 (use_return_insn): Only test for a pic register if it is fixed.
3059 (arm_compute_save_reg0_reg12_mask): Likewise.
3060 (thumb_compute_save_reg_mask): Likewise.
3061 (legitimate_pic_operand): Factor out some known invariants.
3062 (legitimize_pic_address): If we don't have a fixed pic register,
3063 then set up a pseudo in the function entry sequence. Handle the
3064 pic base being in a pseudo.
3065 (arm_load_pic_register): Handle the pic register being in a pseudo.
3066 (arm_expand_prologue): Only set up the pic register if it is fixed.
3067 (thumb_expand_prologue): Likewise.
3068 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3069 (pic_load_addr_based_insn): Likewise.
3070 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3073 2006-01-18 Ben Elliston <bje@au.ibm.com>
3075 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3076 decimal float modes for all floating point registers.
3078 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3079 match_code "mem" with match_test "macho_lo_sum_memory_operand".
3081 2006-01-17 Jakub Jelinek <jakub@redhat.com>
3084 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3085 even when the pointer is not NULL.
3087 2006-01-16 Ian Lance Taylor <ian@airs.com>
3089 * common.opt (ftoplevel-reorder): New option.
3090 * cgraph.c (cgraph_asm_nodes): New global variable.
3091 (cgraph_asm_last_node): New static variable.
3092 (cgraph_order): New global variable.
3093 (cgraph_create_node): Set new order field.
3094 (cgraph_varpool_node): Likewise.
3095 (decide_is_variable_needed): Return true if not
3096 flag_toplevel_reorder.
3097 (cgraph_add_asm_node): New function.
3098 * cgraph.h (struct cgraph_node): Add order field.
3099 (struct cgraph_varpool_node): Add order field.
3100 (struct cgraph_asm_node): Define.
3101 (cgraph_asm_nodes, cgraph_order): Declare.
3102 (cgraph_add_asm_node): Declare.
3103 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3105 (cgraph_varpool_assemble_pending_decls): Call it.
3106 (cgraph_output_pending_asms): New static function.
3107 (cgraph_finalize_compilation_unit): Call it.
3108 (struct cgraph_order_sort): Define.
3109 (cgraph_output_in_order): New static function.
3110 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
3111 !flag_toplevel_reorder case.
3112 * c-parser.c: Include "cgraph.h".
3113 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3115 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3116 than -fno-unit-at-a-time.
3117 * doc/invoke.texi (Option Summary): Mention
3118 -fno-toplevel-reorder.
3119 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
3120 -funit-at-a-time documentation.
3122 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
3123 Kazu Hirata <kazu@codesourcery.com>
3125 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3127 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
3129 * Makefile.in (FUNCTION_H): New. Use it instead of
3130 function.h throughout the file.
3131 * function.h: Include tree.h.
3133 2006-01-17 Ben Elliston <bje@au.ibm.com>
3135 * recog.c: Separate some functions with whitespace.
3137 2006-01-16 Richard Henderson <rth@redhat.com>
3139 Merge from gomp branch:
3140 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
3141 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3142 and rename from struct inline_data. Rename callee* to dst*;
3143 caller* to src*; add copy_decl hook, transform_call_graph_edges,
3144 transform_new_cfg, transform_return_to_modify, and
3145 transform_lang_insert_block flags; remove cloning_p, versioning_p,
3147 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3148 (copy_decl_for_dup): Remove.
3149 * tree-inline.c (struct inline_data): Move to header.
3150 (insert_decl_map): Export.
3151 (remap_decl): Update for member name changes. Use copy_decl hook.
3152 Allow for replacement to be a non-decl. Remove dead code.
3153 (remap_type_1): Check for existing mapping.
3154 (remap_type): Export.
3155 (remap_decls): Update for member name changes.
3156 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3157 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3158 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3159 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3160 (tree_function_versioning, build_duplicate_type): Likewise.
3161 (copy_body_r): Likewise. Export.
3162 (copy_decl_for_dup): Split into ...
3163 (copy_decl_for_dup_finish, copy_decl_to_var,
3164 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3165 (replace_ref_tree, inlining_p): Remove.
3167 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3169 * ifcvt.c (if_convert): Make it static.
3170 * rtl.h: Remove the prototype for if_convert.
3172 * local-alloc.c (local_alloc): Make it static.
3173 * rtl.h: Remove the prototype for local_alloc.
3175 * loop.c (loop_optimize): Make it static.
3176 * cfgloop.h: Remove the prototype for loop_optimize.
3179 2006-01-16 DJ Delorie <dj@redhat.com>
3181 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3184 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3186 * pa.md: Disparage copies between general and floating-point registers
3187 in 32-bit move patterns.
3189 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
3192 * Makefile.in (check-%): Depend on site.exp instead of
3193 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3196 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3198 * global.c (global_alloc): Make it static.
3199 * rtl.h: Remove the prototype for global_alloc.
3201 2006-01-16 Richard Guenther <rguenther@suse.de>
3203 * tree-ssa-alias.c (struct used_part): Add write_only field.
3204 (get_or_create_used_part_for): Initialize it to true.
3205 (create_overlap_variables_for): Don't create structure variables
3206 for structures that only are written to.
3207 (find_used_portions): Handle MODIFY_EXPR to track whether a
3208 structure is only written to.
3210 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3212 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3214 * basic-block.h: Remove the prototype for
3215 partition_hot_cold_basic_blocks.
3217 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
3219 * cppspec.c (lang_specific_spec_functions): Remove.
3220 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3221 * gcc.h (lang_specific_spec_functions): Remove.
3222 * gccspec.c (lang_specific_spec_functions): Remove.
3224 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
3226 * combine.c (record_value_for_reg): Invalidate registers
3228 (record_dead_and_set_regs_1): Likewise, by passing them to
3229 record_value_for_reg.
3230 (record_dead_and_set_regs): Invalidate stores made by a
3231 call. We do not combine across a call, but we still
3232 relied on equivalences.
3234 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3236 * tree-vrp.c (extract_range_from_binary_expr): Cope with
3237 vrp_int_const_binop returning non-constant nodes.
3239 2006-01-16 Paul Brook <paul@codesourcery.com>
3241 * config/m68k/m68k.c (output_move_const_into_data_reg):
3242 Output correct mnemonic for mvz and mvs.
3244 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
3246 * rtl-factoring.c: Add sequence abstraction algorithm.
3247 * cfgcleanup.c (outgoing_edges_match): Extra checks.
3248 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
3250 (block_has_preserve_label): New function.
3251 * common.opt: Register new pass.
3252 * Makefile.in: Ditto.
3254 * timevar.def: Ditto.
3255 * tree-pass.h: Ditto.
3256 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
3257 * rtl.h (make_jump_insn_raw): Add forward decl.
3258 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
3260 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3261 Roger Sayle <roger@eyesopen.com>
3263 * fold-const.c (fold_minmax): New static function.
3264 (fold_binary) <MIN_EXPR>: Call it.
3265 <MAX_EXPR>: Likewise.
3266 * stor-layout.c (place_field): Use DECL_SIZE consistently
3267 in the computation of the new record size.
3269 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3271 * cse.c (cse_condition_code_reg): Make it static.
3272 * rtl.h: Remove the prototype for cse_condition_code_reg.
3274 * combine.c (combine_instructions): Make it static.
3275 * rtl.h: Remove the prototype for combine_instructions.
3277 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3280 * tree.c (get_file_function_name_long): Concatenate the first global
3281 object name with a string derived from the input filename of the object
3284 2006-01-16 Ben Elliston <bje@au.ibm.com>
3286 * config/i386/winnt-stubs.c: Update FSF address.
3287 * config/xtensa/ieee754-df.S: Ditto.
3288 * config/xtensa/ieee754-sf.S: Ditto.
3290 2006-01-14 Ian Lance Taylor <ian@airs.com>
3292 * ifcvt.c (noce_init_if_info): New static function, broken out of
3293 noce_process_if_block.
3294 (noce_process_if_block): Call noce_init_if_info.
3295 (check_cond_move_block): New static function.
3296 (cond_move_process_if_block): New static function.
3297 (process_if_block): Call cond_move_process_if_block.
3299 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
3301 * cselib.c (hash_table): Rename to cselib_hash_table.
3302 (cselib_clear_table, discard_useless_values,
3303 remove_useless_values, cselib_lookup_mem, cselib_lookup,
3304 cselib_init, cselib_finish): Adjust uses of hash_table.
3306 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
3308 PR tree-optimization/25485
3309 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
3310 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
3311 is known to be false and true, respectively.
3313 2006-01-14 Richard Guenther <rguenther@suse.de>
3315 PR tree-optimization/22548
3316 PR tree-optimization/22555
3317 PR tree-optimization/22501
3318 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
3319 * params.def (salias-max-array-elements): New parameter.
3320 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
3321 * doc/invoke.texi (salias-max-array-elements): Document.
3322 * tree-flow-inline.h (var_can_have_subvars): We also handle
3324 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
3326 * tree-ssa-structalias.c (params.h): Include.
3327 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
3328 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
3329 (get_constraint_for): For ADDR_EXPR operating on something
3330 containing an ARRAY_REF, add all subvars to the solution.
3331 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
3332 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
3333 for creating MUST_DEFs.
3334 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
3336 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
3338 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
3340 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3341 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3342 number_of_iterations_le): New functions.
3343 (number_of_iterations_special): Removed.
3344 (number_of_iterations_exit): Do not use number_of_iterations_special.
3345 * tree.c (unsigned_type_for): Always return integer type.
3347 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
3348 Richard Guenther <rguenther@suse.de>
3350 PR rtl-optimization/24257
3351 * gcse.c (find_moveable_store): Only consider a store movable
3352 when the SET_SRC of the insn can be assigned to a register.
3354 2006-01-14 Ian Lance Taylor <ian@airs.com>
3356 * tree.c (tree_not_class_check_failed): New function.
3357 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
3358 (tree_not_class_check_failed): Declare.
3360 2006-01-13 Ian Lance Taylor <ian@airs.com>
3362 * reload1.c (do_output_reload): Add assertion rejecting a
3365 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
3367 * combine.c (struct reg_stat): Add new fields truncation_label and
3369 (record_value_for_reg): Reset truncated_to_mode.
3370 (record_truncated_value): New function.
3371 (check_promoted_subreg): Call it. Rename to check_conversions.
3372 (combine_instructions): Rename check_promoted_subreg to
3374 (reg_truncated_to_mode): New function.
3375 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
3376 (gen_lowpart_or_truncate): New function.
3377 (force_to_mode): Use it instead of gen_lowpart.
3379 2006-01-13 Diego Novillo <dnovillo@redhat.com>
3381 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
3382 VAR is a tag, not its type tag.
3384 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
3386 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3387 alternatives to match style of other entries.
3388 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
3390 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
3392 PR tree-optimization/25771
3393 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3396 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
3399 * tree-inline.c (declare_return_variable): If the return variable
3400 was marked as a non gimple complex, set the return slot variable
3401 to be a non gimple comple variable.
3403 2006-01-13 Richard Guenther <rguenther@suse.de>
3405 * builtins.c (expand_builtin_sincos): New function.
3406 (expand_builtin_mathfn_3): Remove dead code, sin and cos
3408 (expand_builtin): Expand sincos using expand_builtin_sincos.
3410 2006-01-12 DJ Delorie <dj@redhat.com>
3412 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3413 shift counts, separate SI shifts for m32c vs m16c, pass shift type
3414 so that constant shifts can be split.
3415 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3416 (m32c_valid_pointer_mode): Make static.
3417 (shift_gen_func_for): New.
3418 (m32c_prepare_shift): Use it. Split large const shifts into
3420 * config/m32c/predicates.md (shiftcount_operand): Allow more
3422 (longshiftcount_operand): New.
3423 * doc/md.texi (Machine Constraints): Document In6.
3425 2006-01-13 Ben Elliston <bje@au.ibm.com>
3427 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
3428 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
3431 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
3433 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
3434 to try to avoid clobbering pieces of structures when we know
3435 something about the whole structure.
3436 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
3438 2006-01-13 Ben Elliston <bje@au.ibm.com>
3440 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
3441 return in memory, as this is no limitation is no longer present.
3443 2006-01-12 DJ Delorie <dj@redhat.com>
3445 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
3446 mova with fb, and for fb+0 -> An.
3448 * config/m32c/mov.md (peephole2): Fix enabling logic.
3450 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3451 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
3452 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
3453 FINI_ARRAY_SECTION_ASM_OP): Define.
3455 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
3457 (m32c_legitimize_reload_address): New logic to reload FB to An.
3458 (m32c_output_reg_push): Add newline.
3459 (m32c_output_reg_pop): Likewise.
3461 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
3463 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
3465 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
3467 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3469 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3471 * config/sh/predicates.md (sh_rep_vec): Add parallel to
3474 2006-01-11 Ben Elliston <bje@au.ibm.com>
3476 * rtlanal.c (find_reg_note): Assert insn is not null.
3478 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3480 * df-scan.c (df_hard_reg_init): Move declaration of i outside
3483 2006-01-11 Jeff Law <law@redhat.com>
3485 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
3487 (mark_threaded_blocks, register_jump_thread): New functions.
3488 (thread_through_all_blocks): Remove unwanted argument. No
3489 longer rely on e->aux to communicate thread target info.
3490 Call mark_threaded_blocks. Release the threaded_blocks
3491 bitmap and threaded_edges vector when complete.
3492 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
3493 (threaded_blocks): Remove.
3494 (tree_ssa_dominator_optimize): Remove initialization and
3495 finalization of threaded_blocks. Simplify call to
3496 thread_through_all_blocks.
3497 (thread_across_edge): Call register_jump_thread rather than
3498 storing thread information into e->aux.
3499 (free_all_edge_infos): Simplify now that e->aux is no longer
3500 used to communicate with thread_through_all_blocks.
3501 * tree-flow.h (thread_through_all_blocks): Update prototype.
3502 (register_jump_thread): Prototype.
3504 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3506 * df-core.c (df_compact_blocks, df_bb_replace): Use
3507 SET_BASIC_BLOCK instead of BASIC_BLOCK.
3509 2006-01-11 Richard Guenther <rguenther@suse.de>
3511 PR tree-optimization/25734
3512 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3513 stop propagation after successful propagation to the LHS.
3515 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3517 * basic-block.h (control_flow_graph): Change the type of
3518 x_basic_block_info to VEC(basic_block,gc) *.
3519 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
3521 (SET_BASIC_BLOCK): New.
3522 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
3523 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
3524 * cfgbuild.c (find_basic_blocks): Likewise.
3525 * cfglayout.c (fixup_reorder_chain): Likewise.
3526 * cfgrtl.c (create_basic_block_structure,
3527 rtl_create_basic_block): Likewise.
3528 * ifcvt.c (find_if_case_1): Likewise.
3529 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
3532 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3534 * Makefile.in: Removed rotted odf.c entry.
3536 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
3539 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
3540 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
3541 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
3542 output pattern modifier, not %e.
3543 * config/cris/cris.c (cris_op_str): Update comment about pattern
3545 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
3546 before falling through into...
3547 <case 'E'>: Redefined from old 'e' case.
3549 2006-01-11 Jan Hubicka <jh@suse.cz>
3552 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
3554 2006-01-11 Jan Hubicka <jh@suse.cz>
3556 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
3557 * i386.c (x86_decompose_lea): Kill.
3558 (ix86_rtx_costs): Kill.
3560 2006-01-11 Jan Hubicka <jh@suse.cz>
3562 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
3563 * cgraph.h (cgraph_node): Add inline_decl.
3564 (cgraph_insert_node_to_hashtable): Declare.
3565 (save_inline_function_body): Declare.
3566 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
3568 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
3569 (cgraph_function_versioning): Update call of tree_function_versioning.
3570 (save_inline_function_body): New function.
3571 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
3572 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
3573 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
3574 (cgraph_default_inline_p): Likewise.
3575 (cgraph_decide_inlining_incrementally): Likewise.
3576 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
3577 (copy_bb): Kill saving; do updating of clones.
3578 (copy_cfg_body): Kill saving.
3579 (initialize_inlined-parameters): Likewise.
3580 (expand_call_inline): Likewise.
3582 (tree_function_versioning): New parameter "update_clones".
3583 (inlining_p): Kill saving.
3584 * tree-inline.h (tree_function_versioning): Update prototype.
3585 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
3588 2006-01-11 Ian Lance Taylor <ian@airs.com>
3590 * combine.c (struct undo): Remove is_int. Enumify types of undos.
3591 Allow undoing set of machine mode.
3592 (do_SUBST): Use enums instead of is_int.
3593 (do_SUBST_MODE): New function.
3594 (SUBST_MODE): New macro.
3595 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
3596 reg and trying to replace reg_regno_rtx with a new register.
3597 (undo_all): Use new enums, handle undoing a PUT_MODE change.
3598 (simplify_set): Use SUBST_MODE.
3599 (distribute_notes): Remove code that tried to update reg notes
3600 for regno_reg_rtx changes.
3602 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
3604 PR tree-optimization/23109
3605 PR tree-optimization/23948
3606 PR tree-optimization/24123
3608 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
3609 * tree-cfg.c (single_noncomplex_succ): New.
3610 * tree-flow.h (single_noncomplex_succ): Declare it.
3611 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3612 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3613 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
3614 insert_bb, register_division_in, insert_reciprocals,
3615 replace_reciprocal, free_bb): New.
3616 (execute_cse_reciprocals_1): Rewritten.
3617 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
3618 Do not commit any edge insertion. Always compute dominators and
3619 create the allocation pool.
3620 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
3621 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
3622 * targhooks.c (default_min_divistions_for_recip_mul): New.
3623 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
3624 * passes.c (init_optimization_passes): Run recip after tree loop
3626 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
3628 2006-01-11 Danny Berlin <dberlin@dberlin.org>
3629 Kenneth Zadeck <zadeck@naturalbridge.com>
3631 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
3632 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
3633 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
3634 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
3635 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
3636 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
3637 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
3638 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
3639 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
3640 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
3641 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
3642 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
3643 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
3644 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
3645 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
3646 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
3647 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
3648 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
3649 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
3650 DF_SCAN_POST_ALLOC): New macros.
3651 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
3652 df_free_bb_function, df_local_compute_function, df_init_function,
3653 df_dataflow_function, df_confluence_function_0,
3654 df_confluence_function_n, df_transfer_function,
3655 df_finalizer_function, df_free_function, df_dump_problem_function,
3656 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
3657 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
3658 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
3659 df_urec_bb_info, ) New types.
3660 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
3662 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
3663 df_analyze_simple_change_some_blocks,
3664 df_analyze_simple_change_one_block, df_compact_blocks,
3665 df_bb_replace, df_bb_regno_last_use_find,
3666 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
3667 df_insn_regno_def_p, df_find_def, df_find_use,
3668 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
3669 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
3670 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
3671 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
3672 debug_df_chain, df_get_dependent_problem, df_chain_create,
3673 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
3674 df_grow_bb_info, df_chain_dump, df_print_bb_index,
3675 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
3676 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
3677 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
3678 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
3679 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
3680 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
3681 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
3682 df_ref_remove, df_insn_refs_delete, df_refs_delete,
3683 df_reorganize_refs, df_set_state, df_hard_reg_init,
3684 df_read_modify_subreg_p) New public functions.
3685 * df-core.c: The core dataflow solver and glue routines for rtl
3687 (df_init, df_add_problem, df_set_blocks, df_finish,
3688 df_hybrid_search_forward, df_hybrid_search_backward,
3689 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3690 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3691 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3692 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3693 df_reg_defined, df_find_use, df_reg_used, df_dump,
3694 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3695 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3696 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3697 debug_df_useno, reset_df_after_reload): New functions.
3698 * df-scan.c: The scanning fuctions, once in df.c, completely
3699 rewritten so that they now fully model the functionality of
3700 register usage at the backend.
3701 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3702 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
3703 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
3704 df_grow_insn_info, df_rescan_blocks, df_ref_create,
3705 df_get_artificial_defs, df_get_artificial_uses,
3706 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
3707 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
3708 df_refs_delete, df_reorganize_refs, df_set_state,
3709 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
3710 df_def_record_1, df_defs_record, df_uses_record,
3711 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
3712 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
3713 df_record_exit_block_uses, df_hard_reg_init): New functions.
3715 * df-problems.c: Seven concrete dataflow problems that use the
3716 scanning in df-scan.c and are solved by the engine in df-core.c.
3717 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
3718 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
3719 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
3720 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
3721 df_ru_free_bb_info, df_ru_alloc,
3722 df_ru_bb_local_compute_process_def,
3723 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
3724 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
3725 df_ru_transfer_function, df_ru_free, df_ru_dump,
3726 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
3727 df_rd_free_bb_info, df_rd_alloc,
3728 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
3729 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
3730 df_rd_transfer_function, df_rd_free, df_rd_dump,
3731 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
3732 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
3733 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
3734 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
3735 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
3736 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
3737 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
3738 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
3739 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
3740 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
3741 df_urec_mark_reg_change, df_urec_check_earlyclobber,
3742 df_urec_mark_reg_use_for_earlyclobber,
3743 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
3744 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
3745 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
3746 df_urec_dump, df_urec_add_problem, df_chain_alloc,
3747 df_chain_create_bb_process_use, df_chain_create_bb,
3748 df_chain_finalize, df_chain_free, df_chains_dump,
3749 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
3750 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
3751 df_reg_lifetime): New functions.
3752 * df.c: Deleted file.
3753 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
3754 consistent with new df api.
3755 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
3756 rest_of_handle_sms): Ditto.
3757 * web.c (unionfind_union, union_defs, entry_register, web_main):
3759 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
3760 invariant_expr_equal_p, find_defs, check_dependencies,
3761 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
3762 free_inv_motion_data, move_loop_invariants): Ditto.
3763 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
3764 Update dependencies.
3765 (odf.c): Added defective entry that was deleted later in day.
3766 * sched-deps.c (sched_analyze_1): Ditto.
3768 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
3770 * tree-ssa-operands.c (get_expr_operands): Record addressable
3771 variables directly. Do not call add_stmt_operands for CONST_DECLs
3773 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
3774 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
3776 2006-01-11 Ben Elliston <bje@au.ibm.com>
3778 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
3779 function returns true in the positive case.
3781 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3784 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
3785 for SI, DI, SF and DF modes. Add alternatives to copy between
3786 general and floating point registers to the 32-bit patterns.
3787 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
3788 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
3789 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
3790 generating 64-bit code.
3791 * config/pa/pa.c (output_move_double): Handle copies between general
3792 and floating registers.
3794 2006-01-10 Stuart Hastings <stuart@apple.com>
3796 * config/i386/i386.md (set_got): Update.
3797 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
3798 (builtin_setjmp_receiver): Mach-O support.
3799 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
3800 (GOT_SYMBOL_NAME): Define.
3801 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3802 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
3803 * config/i386/i386.c (override_options): Revise for Darwin.
3804 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
3805 support. (darwin_x86_file_end): New. (output_set_got): Add label
3806 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
3807 * config/i386/i386-protos.h (output_set_got): Likewise.
3808 * config/darwin.c (machopic_legitimize_pic_address): Update
3811 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
3813 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
3814 when MODE isn't BLKmode.
3816 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3818 PR rtl-optimization/25367
3819 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
3821 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
3824 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
3825 for a negative bound.
3827 2006-01-10 Richard Guenther <rguenther@suse.de>
3829 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3830 Never override with anything constraint.
3832 2006-01-10 Jan Beulich <jbeulich@novell.com>
3834 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
3835 256 bits when optimize_size.
3837 2006-01-10 Jan Beulich <jbeulich@novell.com>
3839 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
3841 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
3842 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
3845 2006-01-10 Ben Elliston <bje@au.ibm.com>
3847 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
3849 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
3850 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3851 (USE_FP_FOR_ARG): Reject decimal float modes.
3852 (function_arg_advance): Likewise.
3853 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
3854 (rs6000_handle_altivec_attribute): Do not permit decimal floating
3855 point types in AltiVec vectors.
3856 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
3857 (rs6000_libcall_value): Likewise.
3859 2006-01-09 Bob Wilson <bob.wilson@acm.org>
3861 * config/xtensa/ieee754-df.S: New file.
3862 * config/xtensa/ieee754-sf.S: New file.
3863 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
3864 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
3865 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
3867 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
3869 * config/sh/predicates.md (binary_float_operator,
3870 binary_logical_operator, commutative_float_operator,
3871 equality_comparison_operator, greater_comparison_operator,
3872 less_comparison_operator, logical_operator,
3873 noncommutative_float_operator, shift_operator,
3874 symbol_ref_operand, unary_float_operator): Remove redundant
3877 2006-01-09 Jeff Law <law@redhat.com>
3879 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
3880 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
3881 now unused arguments. Callers updated.
3882 (eliminate_redundant_computations): Remove now unused arguments,
3884 (local_fold): Remove, no longer used.
3885 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
3887 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
3888 (simplify_cond): New function.
3889 (forward_propagate_into_cond): Call simplify_cond.
3891 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
3893 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
3894 (*vec_extractv2di_1_sse): New.
3896 2006-01-09 Ben Elliston <bje@au.ibm.com>
3898 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
3900 2006-01-08 Richard Guenther <rguenther@suse.de>
3902 * tree-ssa-structalias.c (get_constraint_for): Remove
3904 (get_constraint_for_component_ref): Likewise.
3905 (do_deref): Likewise.
3906 (get_constraint_for): Likewise.
3907 (do_structure_copy): Likewise.
3908 (handle_ptr_arith): Likewise.
3909 (find_func_aliases): Likewise. Remove unused need_anyoffset
3912 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
3913 Kaz Kojima <kkojima@gcc.gnu.org>
3915 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
3916 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
3917 (EXTRA_CONSTRAINT_C16): Remove.
3918 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
3919 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
3920 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
3921 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
3922 constants of SHmedia. Handle nested constant expressions of
3924 (andcosts): Fix the costs for SHmedia constants.
3925 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
3926 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
3927 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
3928 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
3929 (movv4hi_i, movv2si_i): Likewise.
3930 (movsi_const): Adjust the second operand of ior so to match with
3932 (movdi_const, movdi_const_32bit): Likewise.
3933 (movdi_const_16bit+1): Don't sign-extend LOW.
3934 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
3936 (*double_shori): Fix the split condition. Use GEN_INT instead
3937 of get_int_mode calls. Mask lower 16-bit of the argument of
3939 (sym2GOTPLT): Remove.
3940 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
3942 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
3943 instead of EXTRA_CONSTRAINT_C16.
3945 2006-01-07 Ian Lance Taylor <ian@airs.com>
3946 David Edelsohn <edelsohn@gnu.org>
3948 PR rtl-optimization/25662
3949 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
3950 for constant operands instead of simplify_gen_binary.
3951 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
3952 after trying simplify_binary_operation
3954 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
3956 * tree.c (iterative_hash_expr): Hash decls based on UID.
3958 2006-01-06 Eric Christopher <echristo@apple.com>
3960 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
3961 (TARGET_UNWIND_EMIT): Fix spelling.
3962 * target.h (gcc_target): Add except_table_label.
3963 * except.c (output_function_exception_table): Use.
3964 * varasm.c (default_emit_except_table_label): New.
3965 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
3967 (asm_out): Add here.
3968 * output.h (default_emit_except_table_label): Prototype.
3969 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
3970 * config/darwin.c (darwin_emit_except_table_label): Define.
3971 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
3973 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
3975 PR tree-optimization/18527
3976 * tree-ssa-loop-niter.c (number_of_iterations_cond,
3977 number_of_iterations_special, number_of_iterations_exit):
3978 Move base and step of an iv to a single structure. Add
3979 no_overflow flag, and use it in # of iterations analysis.
3980 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
3981 folded_casts argument.
3982 (simple_iv): Pass base and step in a structure. Set no_overflow
3984 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
3985 Evaluate expensiveness of computing # of iterations instead of
3986 the final expression.
3987 * tree-scalar-evolution.h (affine_iv): New structure.
3988 (simple_iv): Declaration changed.
3989 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
3990 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
3991 find_givs_in_stmt): Changed due to simple_iv change.
3993 2006-01-06 Jeff Law <law@redhat.com>
3996 * tree-cfg.c (bsi_replace): Rename final argument from
3997 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
3998 change (stmt -> orig_stmt).
3999 * tree-eh.c (verify_eh_throw_stmt_node): New function.
4000 (bsi_remove): Add new argument. Remove EH information
4002 (verify_eh_throw_table_statements): New function.
4003 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
4005 * tree-optimize.c (execute_free_cfg_annotations): Verify
4006 the EH throw statement table after removing annotations.
4007 * except.h (verify_eh_throw_table_statements): Prototype.
4008 * tree-flow.h (bsi_remove): Update prototype.
4009 * tree-vrp.c (remove_range_assertions): Add new argument to
4011 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4012 * tree-complex.c (expand_complex_div_wide): Likewise.
4013 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4014 * tree-tailcall.c (eliminate_tailcall): Likewise.
4015 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4016 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4017 * tree-nrv.c (tree_nrv): Likewise.
4018 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4019 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4020 (combine_blocks): Likewise.
4021 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4022 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4023 (cleanup_control_flow): Likewise.
4024 (remove_forwarder_block): Likewise.
4025 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4026 * tree-sra.c (sra_replace): Likewise.
4027 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4028 (forward_propagate_single_use_vars): Likewise.
4029 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4030 * tree-inline.c (expand_call_inline): Likewise.
4031 * tree-vect-transform.c (vect_transform_loop): Likewise.
4032 * tree-outof-ssa.c (rewrite_trees): Likewise.
4033 * tree-cfg.c (make_goto_expr_edges): Likewise.
4034 (cleanup_dead_labels): Likewise.
4035 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4036 (bsi_move_before, bsi_move_after): Likewise.
4037 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4038 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4040 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
4043 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4045 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4046 on non gimple variables. Also add checks at the top for decls and
4048 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4050 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4051 and IMAGPART_EXPR for creating MUST_DEFs.
4052 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4053 and NAME_MEMORY_TAG separately from the DECLs.
4055 2006-01-06 Richard Guenther <rguenther@suse.de>
4057 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4058 annotation, if necessary.
4059 * tree-ssa-pre.c (create_expression_by_pieces): Remove
4060 redundant calls to update_stmt.
4061 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4064 2006-01-05 Richard Henderson <rth@redhat.com>
4066 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4068 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4070 * c-typeck.c: Update copyright date.
4072 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4074 * c-typeck.c (build_c_cast): Always warn when casting
4075 from a pointer to an integer of different size, even if
4076 the node was constant.
4078 2006-01-05 Richard Guenther <rguenther@suse.de>
4080 PR tree-optimization/22555
4081 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4082 if one structure field is an array.
4083 * tree-ssa-operands.c (get_expr_operands): Continue scanning
4084 operands even if we found a subvar, but ignore VOPs in this
4086 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4088 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4090 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
4093 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4095 2006-01-05 Richard Guenther <rguenther@suse.de>
4096 Diego Novillo <dnovillo@redhat.com>
4098 * tree-pass.h (TODO_remove_unused_locals): Define.
4099 * gimple-low.c (expand_var_p, remove_useless_vars,
4100 pass_remove_useless_vars): Remove. Update all users.
4101 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4102 (remove_unused_locals): New function.
4103 * tree-flow.h (remove_unused_locals): Declare.
4104 * passes.c (execute_todo): Call remove_unused_locals if
4105 TODO_remove_unused_locals is set.
4106 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4107 * tree-ssa-dce.c (pass_dce): Likewise.
4108 * tree-outof-ssa.c (pass_del_ssa): Likewise.
4110 2006-01-05 Richard Guenther <rguenther@suse.de>
4112 * tree-flow.h (struct fieldoff): Decompose field to
4113 type, size and decl.
4114 * tree-ssa-alias.c (create_sft): Take type as parameter.
4115 (create_overlap_variables_for): Store type, size and decl
4116 in the fieldoff structure.
4117 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
4119 (push_fields_onto_fieldstack): Likewise.
4120 (create_variable_info_for): Likewise. Use offset for the
4121 SFT name if the decl is not available.
4123 2006-01-04 Paul Brook <paul@codesourcery.com>
4125 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
4127 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
4129 * lambda-code.c (can_put_in_inner_loop): Relax
4131 (can_put_after_inner_loop): New function.
4132 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
4133 (perfect_nestify): Change to make copies and modify uses.
4135 2006-01-04 Richard Henderson <rth@redhat.com>
4137 Merge from gomp branch:
4138 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
4139 via integer constant.
4140 (pragma_lex): Remove.
4141 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
4142 rather than parsing it.
4143 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
4144 handle_pragma_extern_prefix): Add %< %> quotes.
4145 (registered_pragmas): New.
4146 (c_register_pragma_1): New.
4147 (c_register_pragma): Use it.
4148 (c_register_pragma_with_expansion): Likewise.
4149 (c_invoke_pragma_handler): New.
4150 (init_pragma): Use cpp_register_deferred_pragma directly for
4152 * c-pragma.h (enum pragma_kind): New.
4153 (pragma_handler): New.
4154 (c_invoke_pragma_handler): Declare.
4155 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
4157 * c-common.h (c_common_pch_pragma): Update decl.
4158 * Makefile.in (c-parser.o): Update dependencies.
4159 (GTFILES): Add c-pragma.h.
4160 * c-parser.c (struct c_token): Add pragma_kind.
4161 (struct c_parser): Add in_pragma.
4162 (c_lex_one_token): Always initialize keyword and pragma_kind.
4163 Extract data for CPP_PRAGMA.
4164 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
4165 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
4166 Don't allow CPP_PRAGMA_EOL if in_pragma.
4167 (c_parser_consume_pragma): New.
4168 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
4169 (c_parser_skip_to_end_of_parameter): Likewise.
4170 (c_parser_skip_to_end_of_block_or_statement): Likewise.
4171 (c_parser_skip_to_pragma_eol): New.
4172 (c_parser_external_declaration): Handle CPP_PRAGMA.
4173 (c_parser_compound_statement_nostart): Likewise.
4174 (c_parser_statement_after_labels): Likewise.
4175 (c_parser_pragma): New.
4176 (pragma_lex): Likewise.
4177 (c_parser_pragma_pch_preprocess): New.
4178 (c_parser_new): Merge into ...
4179 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
4181 2006-01-04 Jeff Law <law@redhat.com>
4184 * tree-cfg.c (bsi_replace): Remove the original statement
4185 from the EH throw statement table.
4187 2006-01-04 Jakub Jelinek <jakub@redhat.com>
4189 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
4190 make the prototype extern "C" and add throw ().
4193 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
4194 and pos non-negative and pos + len <= 32.
4195 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
4196 drop pos + len < HOST_BITS_PER_WIDE_INT test.
4197 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
4200 * c-common.c (handle_vector_size_attribute): Reject zero vector size
4201 as well as sizes not multiple of component size.
4204 * function.c (instantiate_expr): New function.
4205 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
4206 walk its DECL_VALUE_EXPR with instantiate_expr.
4208 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
4209 DW_OP_deref{,_size} if address isn't going to be added.
4211 2006-01-04 Ben Elliston <bje@au.ibm.com>
4213 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
4214 * config/fp-bit.c: Likewise.
4216 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
4218 * dominance.c: Add comment about why we use DFS numbering
4221 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4222 Richard Henderson <rth@redhat.com>
4224 Merge from gomp-branch:
4225 * varasm.c (assemble_variable): Handle thread-local COMMON data.
4226 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
4228 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
4230 PR rtl-optimization/25578
4231 * combine.c (combine_simplify_rtx, force_to_mode): Don't
4232 pass a parameter to simplify_shift_const if changing ASHIFTRT
4235 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
4237 * builtins.c (get_builtin_sync_mem): New function.
4238 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4239 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
4240 Call get_builtin_sync_mem to generate mem rtx.
4242 2006-01-03 Richard Guenther <rguenther@suse.de>
4245 * stmt.c (add_case_node): Make sure to clear overflow flags
4248 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4250 Merge from gomp-branch.
4251 * config/sparc/sync.md: New file.
4252 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
4253 UNSPECV_LDSTUB): New constants.
4254 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
4255 * config/sparc/predicates.md (memory_reg_operand): New predicate.
4256 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
4259 2006-01-03 Roger Sayle <roger@eyesopen.com>
4261 * combine.c (reg_subword_p): New predicate to test whether the
4262 destination of a set refers to a subword/piece of a register.
4263 (try_combine): Generalize the code to merge the setting of a
4264 pseudo to a constant followed by a set of a subword of that
4265 register to a constant.
4267 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
4269 * basic-block.h (control_flow_graph): Change the type of
4270 x_label_to_block_map to VEC(basic_block,gc) *.
4271 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
4272 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
4274 * tree-ssa-propagate.c (cfg_blocks): Change the type to
4275 VEC(basic_block,heap) *.
4276 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
4277 ssa_prop_fini): Adjust the uses of cfg_blocks.
4279 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
4281 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
4283 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
4284 hashing trees instead of a pointer hash.
4285 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
4286 compare for MEM_EXPR.
4288 PR rtl-optimization/25130
4289 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
4290 when comparing MEMs for GCSE
4292 2006-01-03 Ben Elliston <bje@au.ibm.com>
4294 * targhooks.h (default_decimal_float_supported_p): Declare.
4295 * targhooks.c (default_decimal_float_supported_p): Define.
4296 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
4297 `default_decimal_float_supported_p'.
4298 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
4300 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
4302 * combine.c (apply_distributive_law <SUBREG>): Check
4303 TRULY_NOOP_TRUNCATION.
4305 2006-01-02 Geoffrey Keating <geoffk@apple.com>
4307 * dwarf2out.c (have_switched_text_section): Delete.
4308 (have_multiple_function_sections): New.
4309 (have_location_lists): Make 'bool'.
4310 (add_AT_loc_list): Use 'true' not '1'.
4311 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
4312 (output_loc_list): Use have_multiple_function_sections.
4313 (output_ranges): Likewise.
4314 (dwarf2out_begin_function): Set have_multiple_function_sections if
4316 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
4317 Check function_section rather than DECL_SECTION_NAME.
4318 (dwarf2out_finish): Use have_multiple_function_sections.
4319 Don't clear have_location_lists.
4321 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
4322 Jan Hubicka <jh@suse.cz>
4324 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
4325 case of conditional jump jumping to the next instruction.
4326 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
4327 cases of conditional jump jumping to the next instruction.
4329 2006-01-02 Jan Hubicka <jh@suse.cz>
4331 * i386.c (*_cost): Add COSTS_N_INSNS.
4332 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
4334 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
4337 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
4339 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4341 * config/arm/arm.c (all_fpus): Fix comment typo.
4342 * config/darwin.c: Likewise.
4343 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
4344 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
4345 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
4347 2006-01-01 David Edelsohn <edelsohn@gnu.org>
4349 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
4350 (rs6000_split_compare_and_swapqhi): New.
4351 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
4352 (sync_compare_and_swapqhi_internal): New.
4353 * config/rs6000/rs6000-protos.h: Declare.