1 2006-01-24 David Daney <ddaney@avtrex.com>
4 * configure.ac (enable_tls): New enable option.
5 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6 * configure: Regenerate.
7 * doc/install.texi (--enable-tls): Document new option.
8 (--disable-tls): Ditto.
10 2006-01-24 Richard Henderson <rth@redehat.com>
12 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13 * alias.c (true_dependence): Respect it.
14 (canon_true_dependence, write_dependence_p): Likewise.
15 * builtins.c (get_builtin_sync_mem): Set it.
17 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
19 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
22 2006-01-24 DJ Delorie <dj@redhat.com>
24 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
25 for storing constants in single-bit bitfields.
27 2006-01-25 Ben Elliston <bje@au.ibm.com>
29 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
31 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
34 * tree-ssa-pre.c (phi_translate): Return NULL
37 2006-01-24 Zack Weinberg <zackw@panix.com>
39 * genautomata.c (process_state_for_insn_equiv_partition):
40 Use xcalloc for insn_arcs_array.
41 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
42 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
44 2006-01-24 Richard Henderson <rth@redhat.com>
46 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
49 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
51 PR rtl-optimization/25890
52 PR rtl-optimization/25905
53 * combine.c (expand_compound_operation, expand_field_assignment):
54 Fail if the bitfield's final position is out of bounds.
56 2006-01-24 Ian Lance Taylor <ian@airs.com>
59 * cgraphunit.c (cgraph_output_in_order): Don't clear
60 cgraph_asm_nodes until after asm strings have been output.
62 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
64 * fix-header.c (read_scan_file): Add new parameter imultilib when
65 calling register_include_chains.
67 2006-01-23 Diego Novillo <dnovillo@redhat.com>
69 * omp-low.c: Update documentation.
71 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
72 Daniel Berlin <dberlin@dberlin.org>
76 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
77 return from the function.
79 2006-01-22 Zack Weinberg <zackw@panix.com>
81 * rtl.def (match_code): Add second argument.
82 * genpreds.c (write_extract_subexp): New function.
83 (write_match_code): Add path argument. Use write_extract_subexp.
84 (write_predicate_expr): Pass path to write_match_code.
85 (mark_mode_tests): MATCH_CODE applied to a subexpression does
86 not perform a mode test.
87 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
88 a subexpression does not constrain the top-level code set.
89 * read-rtl.c (read_rtx_variadic): New function.
90 (read_rtx_1): Use it; allow AND and IOR to be variadic.
91 * doc/md.texi: Document new notation.
92 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
93 (cmpsi_operand): ... here, using new notation.
95 2006-01-22 Zack Weinberg <zackw@panix.com>
97 * varray.c: Remove GENERATOR_FILE #ifdefs.
99 2006-01-22 Zack Weinberg <zackw@panix.com>
101 * genautomata.c (output_reserved_units_table): Emit nothing if
102 description->query_units_num is zero. Remove extra blank line.
103 (output_cpu_unit_reservation_p): Short circuit
104 if description->query_units_num is zero.
106 2006-01-22 Zack Weinberg <zackw@panix.com>
108 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
109 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
110 nor any of the random handful of variables that used to be necessary
111 when this program was linked with rtlanal.o. Prune set of forward
112 function declarations.
113 (struct attr_desc): Remove static_p field.
114 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
115 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
116 (attr_string): Do not read the character one past the length of
118 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
119 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
120 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
121 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
122 (make_automaton_attrs): New.
123 (main): Do not call into genautomata. Call local gen_bypass
124 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
125 Remove special case for insn_alts.
126 * genautomata.c: Include gensupport.h; not genattrtab.h nor
127 varray.h (leftover from previous change). Prune set of forward
128 function declarations. Remove state_alts fields from all
129 structures. Remove state_alts_table from struct automaton.
130 Make everything except main static. Do not maintain num_dfa_decls.
131 Do not maintain state_alts fields of various structures.
132 (process_decls): Don't validate condexp for dm_insn_reserv decls.
133 (add_arc): Remove state_alts argument. All callers updated.
134 (output_reserved_units_table): Emit #ifdef here...
135 (output_tables): ...not here. Don't generate state_alts tables.
136 (expand_automata): Don't generate attributes.
137 (write_automata): Don't generate state_alts functions.
138 (main): New function.
139 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
140 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
141 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
142 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
143 (BYPASS_P_FUNC_NAME, output_state_alts_table)
144 (output_automata_list_state_alts_code, output_internal_state_alts_func)
145 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
146 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
148 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
149 * genattrtab.h: Delete file.
150 * Makefile.in (OBJS-common): Add insn-automata.o.
151 (insn-automata.o): New rule.
152 (simple_generated_c): Add insn-automata.c.
153 (build/genattrtab.o, build/genautomata.o): Update dependencies.
154 (genprogmd): Add automata.
155 (build/genattrtab): Needs no extra objects nor libraries.
156 (build/genautomata): Needs build/vec.o and -lm.
158 2006-01-22 Zack Weinberg <zackw@panix.com>
160 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
161 (output_dfa_max_issue_rate, locked_states_num): Delete.
162 (struct automaton): Add locked_states field.
163 (output_dead_lock_vect): Save number of locked states in
164 automaton->locked_states. If it is zero, don't print anything.
165 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
166 (output_internal_dead_lock_func): Only test the dead_lock_vect
167 for automata that have locked states.
168 (output_statistics): Always print the number of locked states for
169 each automaton. Calculate total number of locked states here.
170 (write_automata): Don't call output_dfa_max_issue_rate.
171 * genattrtab.c: Define length_unit_log as a const variable.
172 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
173 max_insn_queue_index const.
174 * final.c (length_unit_log): Declare const.
175 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
177 2006-01-22 Zack Weinberg <zackw@panix.com>
179 * genautomata.c: Include vec.h, not varray.h.
180 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
181 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
182 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
183 VEC_* macros operating on appropriately typed vectors, or to
184 malloced arrays when the size is known in advance. Const-ify
185 many char* variables and function arguments. No functional changes.
186 * Makefile.in (build/varray.o): Delete rule.
187 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
188 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
190 2006-01-22 Zack Weinberg <zackw@panix.com>
192 * gensupport.c: Define get_insn_name and record_insn_name here.
193 (read_md_rtx): Call record_insn_name as appropriate.
194 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
195 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
196 * genpreds.c, genrecog.c: Don't define get_insn_name nor
198 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
199 (BUILD_VARRAY): Delete.
200 (genprognormal): Rename genprogmd. Fold in all programs from
201 genprognoprint; also attrtab.
202 (build/genattrtab): Just mention genautomata.o and varray.o.
203 Reorganize a bit, add comments to make the categories clearer.
205 2006-01-22 Zack Weinberg <zackw@panix.com>
207 * genconditions.c (condition_table, add_condition): Delete.
208 (write_conditions): Don't emit n_insn_conditions nor
209 insn_elision_unavailable. Issue the gcc version #ifdef here,
210 inside the table, with no #else clause ...
211 (write_header): ...not here.
212 (write_writer): New function.
213 (main): Don't initialize condition_table. Use add_c_test.
215 * gensupport.c (init_md_reader_args_cb): Handle multiple input
216 files on the command line.
217 (maybe_eval_c_test): Don't check insn_elision_unavailable.
218 Return -1 if there is no entry in the table, don't abort.
219 (add_c_test, traverse_c_tests): New functions.
220 * gensupport.h (insn_elision_unavailable, insn_conditions)
221 (n_insn_conditions): Delete declarations.
222 (add_c_test, traverse_c_tests): Declare.
223 * read-rtl.c: Include gensupport.h.
224 (read_conditions): New function.
225 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
226 (read_rtx_1): If we get EOF when we were looking for an initial
227 open paren, return 0. Call read_conditions when appropriate.
228 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
229 dummy-conditions.o. Eliminate references to insn-conditions.o,
230 or change them to build/gencondmd.o, as appropriate. Remove
231 insn-constants.h from $(simple_generated_h) and insn-conditions.c
232 from $(simple_generated_c). For all files remaining in those
233 two lists, add insn-conditions.md to the generator command line.
234 Give insn-constants.h/s-constants their own rules. Add rules
235 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
236 (build/read-rtl.o): Depend on gensupport.h.
237 (genprognormal): Include preds.
238 (genprogearly): Rename genprognoprint; only difference is now that
239 they don't link with $(BUILD_PRINT).
240 * dummy-conditions.c: Delete.
242 2006-01-22 Zack Weinberg <zackw@panix.com>
244 * genextract.c: Don't include insn-config.h. Do include vec.h.
245 Declare vectors of int, char, and locstr.
246 (locstr): New typedef.
247 (struct extraction): Make all array fields into bare pointers.
248 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
249 (insn_code_number): Delete.
250 (accum_extract): New struct.
251 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
252 (gen_insn): Take insn_code_number as an argument. Use an
253 accum_extract structure instead of loading data directly into
254 a struct extraction, and having to know how big it might get.
255 (walk_rtx): Operate entirely on an accum_extract structure.
256 (print_path): Avoid unnecessary use of printf.
257 (print_header): New function, split out of main. Distinguish
258 more carefully between an unrecognizable insn and an insn that
259 has the code number of a define_expand.
260 (main): Pass insn_code_number to gen_insn. Call print_header
261 only after parsing. Avoid unnecessary use of printf.
262 * Makefile.in (build/vec.o): New rule.
263 (build/genextract): Depend on build/vec.o.
264 (build/genextract.o): Don't depend on insn-config.h.
266 2006-01-22 Zack Weinberg <zackw@panix.com>
268 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
269 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
270 practical. Eliminate per-generator-program link rules.
272 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
275 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
276 with a call expr to ...
277 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
279 2006-01-23 Richard Guenther <rguenther@suse.de>
281 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
282 before make_edge with conditional EDGE_TRUE_VALUE.
284 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
285 Jan Hubicka <jh@suse.cz>
286 Richard Guenther <rguenther@suse.de>
288 PR rtl-optimization/25654
289 * cfgexpand.c (aggregate_contains_union_type): New function.
290 (add_alias_set_conflicts): Call it. Make sure to add conflicts
291 for structure variables that contain a union type.
293 2006-01-23 Richard Sandiford <richard@codesourcery.com>
295 * gengtype.c (new_structure): Return the structure.
296 (create_option): Add an extra "next" argument.
297 (create_field): New function.
298 (adjust_field_rtx_def): Use create_option and create_field.
299 Remove a now-unnecessary call to find_structure.
300 (adjust_field_tree_def): Likewise.
301 (note_yacc_type): Remove an unnecessary call to find_structure.
302 * gengtype.h (new_structure): Return the structure.
303 (create_option): Add an extra argument.
304 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
305 (option): Adjust calls to create_option.
307 2006-01-22 David Edelsohn <edelsohn@gnu.org>
309 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
311 2006-01-22 Paul Brook <paul@codesourcery.com>
312 Peter Barada <peter@the-baradas.com>
314 * config/m68k/m68k.md: Add Coldfire FPU support.
315 Define FP mode macro and associated attributes.
316 Use it for float mode patterns.
317 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
318 (LIBCALL_VALUE): Use m68k_libcall_value.
319 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
320 (m68k_function_value): Ditto.
321 (emit_move_sequence): Ditto.
322 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
323 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
324 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
325 (MULTILIB_EXCEPTIONS): Ditto.
326 * config/m68k/m68k.opt: Add mcfv4e.
327 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
328 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
329 (m68k_output_function_prologue): Save ColdFire FPU registers.
330 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
331 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
332 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
333 ColdFire FPU registers.
334 (m68k_libcall_value, m68k_function_value): New functions.
335 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
336 (LIBCALL_VALUE): Use m68k_libcall_value.
337 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
338 (MASK_COLDFIRE): Add MASK_CFV4E.
339 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
340 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
341 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
342 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
343 (GO_IF_LEGITIMATE_ADDRESS): Use it.
344 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
345 * doc/invoke.tex: Document -mcfv4e on m68k.
347 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
349 * doc/contribute.texi: Change CVS to SVN and update the corresponding
352 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
355 * c-opts.c (c_common_handle_option): Don't include
356 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
357 * doc/invoke.texi (C++ Dialect Options): Document that
358 -Wnon-virtual-dtor is no longer included in -Wall.
360 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
362 * gcov.c (print_version), gcov-dump.c (print_version),
363 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
366 2005-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
368 * df-scan.c (problem_SCAN): Added NULL reset function.
369 (df_scan_reset_blocks): Added code to call reset block function
370 (df_bb_refs_delete) Fixed comment.
371 (df_insn_refs_delete): Made tolerant of deleting non existent info
372 for dataflow problems that need to be reset.
373 * df-core.c (df_set_blocks): Ditto.
374 * df.h (struct df_problem): Added reset_fun.
375 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
376 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
377 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
378 functions to clear out all references to def-use or use-def chains.
380 2006-01-21 Ben Elliston <bje@au.ibm.com>
382 * varasm.c (assemble_real): Initialise data array.
384 2006-01-20 Paul Brook <paul@codesourcery.com>
386 Merge from csl-arm-branch.
387 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
388 * config/arm/arm.md (movdi): Force operands[1] to a register
389 if we have a non-register source.
390 (*arm_movdi, *movdf_soft_insn): Require that one of the
391 operands be a register.
392 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
393 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
395 2006-01-20 DJ Delorie <dj@redhat.com>
397 * varasm.c (initialize_constant_valid_p): Allow pointers
398 initialized from integer constants of lesser precision.
399 (output_constant): Allow non-int-sized pointer modes to be
400 initialized from integer constants.
402 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
405 * cppdefault.h (struct default_include): Add multilib flag.
406 * cppdefault.c (cpp_include_defaults): Set it.
407 * c.opt (-imultilib): New option.
408 * c-opts.c (imultilib): New.
409 (c_common_handle_option): Handle -imultilib.
410 (c_common_post_options): Likewise.
411 * c-incpath.c (add_standard_paths, register_include_chains):
413 * c-incpath.h (register_include_chains): Add extra parameter.
414 * gcc.c (do_spec_1): Generate -imultilib option.
415 (The Specs Language): Update %I description.
416 (process_command): Update copyright notice.
417 * doc/cppopts.texi (-imultilib): Document.
418 * doc/invoke.texi (-imultilib): Include in option summary.
419 (%I): Update specs documentation.
421 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
423 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
425 2006-01-20 Richard Sandiford <richard@codesourcery.com>
427 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
430 2006-01-20 Richard Guenther <rguenther@suse.de>
431 Steven Bosscher <stevenb.gcc@gmail.com>
433 PR rtl-optimization/24626
434 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
435 EDGE_TRUE_VALUE if in RTL mode.
438 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
439 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
441 2006-01-20 Dirk Mueller <dmueller@suse.com>
444 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
445 instead of a special NOP marker.
446 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
448 * c-common.h (empty_body_warning): Add forward declaration.
449 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
450 Now uses IS_EMPTY_STMT() instead of special NOP markers.
452 2005-01-20 Paul Brook <paul@codesourcery.com>
454 * Makefile.in (lang_checks): Keep going if mkdir fails.
456 2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
458 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
459 be able to clean out basic block when not necessary.
460 (df_scan_free): Fixed to properly delete information if df is
461 unused before calling df_finish.
462 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
463 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
465 (df_bb_refs_delete): New function.
466 (df_refs_delete): Moved per block code to df_bb_refs_delete.
467 * df-core.c (df_set_blocks): Added code to properly clean out
468 unused blocks if they are not part of the blocks to consider.
469 Added additional null check.
470 (df_compact_blocks): Added basic block parameter to free_bb_fun to
471 be able to clean out basic block when not necessary
472 * df.h (df_free_bb_function): Ditto.
473 (df_bb_refs_delete): New function.
474 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
475 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
476 basic block parameter to be able to clean out basic block when not
478 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
479 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
480 Fixed to properly delete information if df is unused before
483 2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
485 PR rtl-optimization/25799
486 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
487 Corrected confluence operator to remove bits from op2 before oring
488 with op1 rather than removing bits from op1.
489 (df_ru_transfer_function): Corrected test on wrong bitmap which
490 caused infinite loop. Both of these problems were introduced in
491 the dataflow rewrite.
493 2006-01-19 DJ Delorie <dj@redhat.com>
495 * reload1.c (find_reload_regs): Note the details of reload
496 failures in the dump file.
497 (spill_failure): Likewise.
499 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
501 * loop-iv.c: Include df.h and hashtab.h.
502 (enum iv_grd_result): New enum.
503 (DF_REF_IV, DF_REF_IV_SET): New macros.
504 (struct biv_entry): New.
505 (df, bivs): New global variables.
506 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
507 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
509 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
510 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
511 analyzed_for_bivness_p, record_biv): New functions.
512 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
513 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
514 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
516 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
518 (iv_number_of_iterations): Use new interface to iv analysis.
519 * loop-unroll.c: Do not include varray.h.
520 (analyze_iv_to_split_insn): Use new interface to iv
522 * loop-unswitch.c (may_unswitch_on): Ditto.
523 * df.c (df_bitmaps_free): Only work for bbs for that structures are
525 (df_bb_modify): Realloc tables to the new index.
526 (df_find_use): New function.
527 * df.h (df_find_use): Declare.
528 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
530 * cfgloop.h (struct rtx_iv): Remove analysed field.
531 (iv_get_reaching_def): Removed.
532 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
533 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
534 (loop-iv.o): Add df.h and hashtab.h dependency.
535 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
537 2006-01-20 Alan Modra <amodra@bigpond.net.au>
539 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
541 (__floatundisf, __floatundidf): Likewise.
542 * libgcc2.h (IS_IBM_EXTENDED): Define.
544 2006-01-19 DJ Delorie <dj@redhat.com>
546 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
548 2006-01-19 Paul Brook <paul@codesourcery.com>
550 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
551 as nothrow when unwinding tables are disabled.
553 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
556 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
557 of bit-field" when in system header.
559 2006-01-19 DJ Delorie <dj@redhat.com>
561 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
562 the 16 bit shift limit of the m16c.
564 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
567 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
568 * config/i386/i386.c (output_set_got): Output the label if we have one
569 for the TARGET_DEEP_BRANCH_PREDICTION case.
571 2006-01-19 Jan Hubicka <jh@suse.cz>
572 H.J. Lu <hongjiu.lu@intel.com>
573 Evandro Menezes <evandro.menezes@amd.com>
575 * invoke.texi (generic): Document
577 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
578 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
579 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
580 (x86_use_incdec, x86_pad_returns): New variables
581 (TARGET_CPU_DEFAULT_generic): New constant
582 (TARGET_CPU_DEFAULT_NAMES): Add generic.
583 (enum processor_type): Add generic32 and generic64.
584 * i386.md (cpu attribute): Add generic32/generic64
585 (movhi splitter): Behave sanely when both partial_reg_dependency and
586 partial_reg_stall are set.
587 (K8 splitters): Enable for generic as well.
588 * predicates.md (incdec_operand): Use TARGET_INCDEC
589 (aligned_operand): Avoid memory mismatch stalls.
590 * athlon.md: Enable for generic64, new patterns for 128bit moves.
591 * ppro.md: Enable for generic32
592 * i386.c (generic64_cost, generic32_cost): New.
593 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
594 (x86_use_leave): Enable for generic64. (x86_use_sahf,
595 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
596 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
597 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
598 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
599 x86_partial_reg_dependency, x86_memory_mismatch_stall,
600 x86_accumulate_outgoing_args, x86_prologue_using_move,
601 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
602 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
604 (x86_use_incdec, x86_pad_returns): New.
605 (override_options): Add generic32 and generic64, translate "generic"
606 to generic32/generic64 and "i686" to "generic32", refuse
607 "generic32"/"generic64" as arch target.
608 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
609 (ix86_reorg): Honor PAD_RETURNS.
611 2006-01-19 Diego Novillo <dnovillo@redhat.com>
613 * tree-pretty-print.c (dump_generic_node): Handle
614 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
615 * cgraph.c (cgraph_expand_queue): Rename from
616 cgraph_analyze_queue. Update all users.
617 * cgraphunit.c (cgraph_assemble_pending_functions): Process
619 (cgraph_expand_all_functions): Likewise.
620 (cgraph_finalize_pending_functions): Remove. Update callers.
622 * tree.h (OMP_DIRECTIVE_P): Define.
623 (OMP_PARALLEL_FN): Define.
624 (OMP_PARALLEL_DATA_ARG): Define.
625 (OMP_SECTIONS_SECTIONS): Define.
626 * tree-pass.h (pass_expand_omp): Declare.
627 * omp-low.c (struct omp_region): Declare.
628 (struct omp_context): Remove fields 'parallel_type',
629 'parallel_start_ix' and 'parallel_start_additional_args'.
631 (struct omp_for_data): Rename from struct expand_omp_for_data.
632 (omp_regions): New static variable.
633 (root_omp_region): New static variable.
634 (find_omp_clause): Make static.
635 (is_in_combined_parallel_ctx): Remove.
636 (is_combined_parallel): New.
637 (extract_omp_for_data): Move earlier in the file.
638 (workshare_safe_to_combine_p): New.
639 (get_ws_args_for): New.
640 (determine_parallel_type): Move earlier in the file.
641 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
643 (omp_copy_decl): Likewise.
644 (create_omp_child_function): Likewise.
645 (lookup_omp_region): New.
646 (dump_omp_region): New.
647 (debug_omp_region): New.
648 (debug_all_omp_regions): New.
649 (new_omp_region): New.
650 (scan_omp_parallel): If parallel_nesting_level > 1, the
651 directive is nested within another parallel directive.
653 (scan_omp_for): Do not try to handle combined parallel+for
655 Remove FIXME comment.
656 (scan_omp_nested): Remove.
657 (scan_omp_1): Do not call scan_omp_nested when
658 parallel_nesting_level is > 1.
659 Do not change the DECL_CONTEXT of local variables found.
660 (lookup_decl_in_outer_ctx): New.
661 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
662 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
663 (lower_reduction_clauses): Rename from expand_reduction_clauses.
664 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
665 If CTX is nested, lookup VAR in the outer context when
666 building copy assignment.
667 (lower_send_clauses): Rename from expand_send_clauses.
668 If CTX is nested, lookup VAR in the outer context when
669 building copy assignments.
670 (lower_send_shared_vars): Rename from expand_send_shared_vars.
671 If CTX is nested, lookup VAR in the outer context when
672 building copy assignments.
673 (expand_parallel_call): Rename from build_parallel_call.
674 Handle combined parallel+workshare cases.
675 Re-implement to emit code into the CFG.
677 (expand_omp_parallel): Re-implement to emit code into the CFG.
678 Call move_sese_region_to_fn to outline the sub-graph
679 containing the parallel region.
680 (expand_omp_for_1): Remove.
681 (expand_omp_for_generic): Re-implement to emit code into the
683 (expand_omp_for_static_nochunk): Likewise.
684 (expand_omp_for_static_chunk): Likewise.
685 (expand_omp_for): Likewise.
686 (expand_omp_sections): Likewise.
687 (remove_exit_barriers): New.
688 (expand_omp_synch): New.
690 (build_omp_regions_1): New.
691 (build_omp_regions): New.
692 (execute_expand_omp): New.
693 (gate_expand_omp): New.
694 (pass_expand_omp): Define.
695 (lower_omp_sections): Rename from expand_omp_sections.
696 Set OMP_SECTIONS_SECTIONS.
697 (lower_omp_single_simple): Rename from expand_omp_single_simple.
698 (lower_omp_single_copy): Rename from expand_omp_single_copy.
699 (lower_omp_single): Rename from expand_omp_simple.
700 (lower_omp_master): Rename from expand_omp_master.
701 (lower_omp_ordered): Rename from expand_omp_ordered.
702 (lower_omp_critical): Rename from expand_omp_critical.
703 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
704 (lower_omp_for): Re-implement.
705 (lower_omp_parallel): Re-implement.
706 (lower_regimplify): Rename from expand_regimplify.
707 (lower_omp_1): Rename from expand_omp_1.
708 If there are syntax errors in the program, replace every
709 OpenMP directive with NOP.
710 Call lower_omp_* instead of expand_omp_*.
711 (lower_omp): Rename from expand_omp.
713 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
714 * tree-gimple.h (enum omp_parallel_type): Remove.
715 (gimple_boolify): Declare extern.
716 (find_omp_clause, determine_parallel_type): Remove.
718 * gimple-low.c (lower_omp_directive): New.
719 (lower_stmt): Call it.
720 (record_vars_into): Move from ...
721 (record_vars): ... here.
722 Call record_vars_into with current_function_decl.
724 * gimplify.c (struct gimplify_ctx): Remove fields
725 combined_pre_p and combined_ctxp. Update users.
726 (get_formal_tmp_var): Add documentation.
727 (gimple_boolify): Make extern.
728 (gimplify_expr_in_ctx): Remove. Update callers.
729 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
730 will always be a BIND_EXPR.
731 (gimplify_expr): Handle OMP_RETURN_EXPR.
732 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
733 (OMP_PARALLEL): Add 3 operands.
734 (OMP_SECTIONS): Add 1 operand.
735 (OMP_RETURN_EXPR): Define.
737 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
738 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
739 * tree-iterator.c (alloc_stmt_list): Assert that we are not
740 creating a circular free list.
741 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
743 * tree-flow.h (move_sese_region_to_fn): Declare.
744 (record_vars_into): Declare.
745 * tree-cfg.c (make_omp_sections_edges): New.
746 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
747 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
748 OMP_SECTIONS and OMP_SECTION.
749 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
750 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
751 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
752 (gather_blocks_in_sese_region): New.
753 (struct move_stmt_d): Declare.
755 (move_block_to_fn): New.
756 (move_sese_region_to_fn): New.
758 * passes.c (init_optimization_passes): Schedule
759 pass_expand_omp after pass_init_datastructures.
761 * tree-ssa-operands.c (get_expr_operands): Handle
762 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
763 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
765 2006-01-19 Jeff Law <law@redhat.com>
767 * tree-vrp.c (extract_range_from_assert): Refine the result range
768 if the variable referenced by the ASSERT_EXPR has a range and
769 either the tentative result range or the previous range is a
772 2006-01-19 Richard Sandiford <richard@codesourcery.com>
774 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
776 2006-01-19 Jan Hubicka <jh@suse.cz>
778 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
780 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
782 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
783 (expand_compound_operation, expand_field_assignment): Fail if the
784 bit lengths of an extract operation are out of range.
785 (make_extraction): Compute wanted_inner_mode based on the position
786 and length of the extraction. Make it extraction_mode for non-constant
787 positions, and do not modify offset in that case. When generating a
788 new MEM, use a mode that can hold the extraction while keeping correct
789 alignment. Remove code that supported MEMs wrapped by USEs.
790 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
792 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
794 * config/s390/s390.md ("Y", "y"): New mode attribute.
795 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
796 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
797 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
798 "*addsi3_imm_cc", "*addsi3_carry1_cc",
799 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
800 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
801 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
802 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
803 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
804 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
805 "addsi3", "subsi3"): Insn patterns removed.
806 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
807 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
808 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
809 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
810 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
811 "*sub<mode>3_cconly2"): New insn patterns.
812 ("addsi3", "subsi3"): New expanders.
814 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
816 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
817 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
818 existing STMT_VINFO_VECTYPE if available.
819 (vect_mark_relevant): Add special handling for stmts that are
820 marked as STMT_VINFO_IN_PATTERN_P.
821 (vect_analyze_loop): Call vect_pattern_recog.
822 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
823 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
825 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
826 (vect_recog_func_ptr): New function-pointer type.
827 * tree-vect-patterns.c: New file.
828 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
829 (vect_recog_dot_prod_pattern, vect_pattern_recog):
830 (vect_pattern_recog_1): New functions.
831 (vect_pattern_recog_funcs): New array of function pointers.
833 * tree-vectorizer.h (ternary_op): New enum value.
834 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
835 declaration. Revised documentation. Removed redundant dump prints.
836 Removed redundant argument. Added support for reduction patterns.
837 (vectorizable_reduction): Added support for reduction patterns.
838 (vect_transform_stmt): Added support for patterns.
840 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
841 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
842 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
843 (expand_widen_pattern_expr): New function.
844 (init_optabs): Initialize new optabs udot_prod_optab,
846 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
847 (sdot_prod_optab, udot_prod_optab): Define new optabs.
848 (expand_widen_pattern_expr): New function declaration.
849 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
851 * tree-inline.c (estimate_num_insns_1): Added cases for new
852 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
853 * tree-pretty-print.c (dump_generic_node): Likewise.
855 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
856 * tree-ssa-operands.c (get_expr_operands): Added case for
858 * tree-vect-patterns.c (widened_name_p): New function.
859 (vect_recog_dot_prod_pattern): Added function implementation.
860 * tree-vect-transform.c (get_initial_def_for_reduction): Added
861 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
862 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
863 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
865 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
866 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
867 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
868 (init_optabs): Initialize new optabs widen_ssum_optab,
870 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
871 (widen_ssum_optab, widen_usum_optab): Define new optabs.
872 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
873 use instead of type of def.
874 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
875 function implementation.
876 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
877 widen_ssumv8hi): New.
879 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
882 2006-01-19 Richard Sandiford <richard@codesourcery.com>
885 * c-decl.c (add_flexible_array_elts_to_size): New function.
886 (finish_decl): Use it.
888 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
890 * diagnostic.h: Include options.h.
891 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
892 dependancies for diagnostic.h.
893 * Makefile.in (DIAGNOSTIC_H): Add options.h.
895 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
897 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
898 (ssa_ro_call_cache_valid): Ditto.
899 * tree-ssa-alias.c (sort_tags_by_id): New function.
900 (init_transitive_clobber_worklist): Ditto.
901 (add_to_worklist): Ditto.
902 (mark_aliases_call_clobbered): Ditto.
903 (compute_tag_properties): Ditto.
904 (set_initial_properties): Ditto.
905 (compute_call_clobbered): Ditto.
906 (compute_may_aliases): Call compute_call_clobbered and grouping.
907 (compute_flow_sensitive_aliasing): Remove clobbering related code.
908 (compute_flow_insensitive_aliasing): Grouping now happens in our
910 (setup_pointers_and_addressables): Remove clobbering related code.
911 (add_may_alias): Ditto.
912 (replace_may_alias): Ditto.
913 (get_nmt_for): Ditto.
915 (is_escape_site): Return an escape_type enumeration.
916 * tree-flow-inline.h (is_call_clobbered): Global var does not
917 imply call clobbered.
918 (mark_call_clobbered): Take a reason for marking this. Remove
919 marking of globalness, and cache invalidation.
920 (clear_call_clobbered): Remove cache invalidation code.
921 * tree-dfa.c (dump_variable): If details is on, dump the reason
923 * tree-outof-ssa.c (create_temp): Copy escape mask from original
925 * tree-flow.h (struct ptr_info_def): Add escape mask member.
926 (struct var_ann_d): Ditto.
927 (enum escape_type): New.
928 (mark_call_clobbered): Adjust prototype.
929 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
930 are never call clobbered.
931 Record reasons for escaping.
932 * tree-ssa-structalias.h (is_escape_site): Update prototype.
933 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
934 (ssa_ro_call_cache_valid): Ditto.
935 (clobbered_v_may_defs): Ditto.
936 (clobbered_vuses): Ditto.
937 (ro_call_vuses): Ditto.
938 (clobber_stats): New.
939 (init_ssa_operands): Zero out clobber stats.
940 (fini_ssa_operands): Print out clobber stats.
941 (get_call_expr_operands): Pass callee fndecl to
943 (add_call_clobber_ops): Remove use of cache.
944 Add use of PURE_CONST information.
945 (add_call_read_ops): Remove use of cache.
946 Add use of static not_read information.
948 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
950 Introduce TLS descriptors for i386 and x86_64.
951 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
952 (TARGET_ANY_GNU_TLS): New macro.
953 (enum tls_dialect): Added TLS_DIALECT_GNU2.
954 (struct machine_function): Add tls_descriptor_call_expanded_p.
955 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
956 (ix86_current_function_calls_tls_descriptor): Likewise.
957 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
958 (override_options): Introduce gnu2 tls dialect.
959 (ix86_frame_pointer_required): Functions containing TLSCALLs are
961 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
963 (legitimize_tls_address): Adjust logic for GNU2 TLS.
964 (ix86_init_machine_status): Initialize new field.
965 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
966 (ix86_tls_module_base): New.
967 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
968 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
969 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
970 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
971 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
972 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
973 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
974 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
975 * config/i386/predicates.md (tls_modbase_operand): New.
976 (tp_or_register_operand): New.
978 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
980 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
981 (look_for_address_of): Ditto.
982 (ipa_init): Walk the function decls.
983 (static_execute): Don't set readonly on FUNCTION_DECL's.
985 2006-01-18 Roger Sayle <roger@eyesopen.com>
987 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
988 for shifts where the source and destination registers are different.
990 2006-01-18 Paul Brook <paul@codesourcery.com>
992 Merge from csl-arm-branch.
993 2005-03-14 Julian Brown <julian@codesourcery.com>
994 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
995 (aeabi_llsl): Likewise.
997 (aeabi_lasr): Likewise.
999 (aeabi_llsr): Likewise.
1000 2005-03-10 Julian Brown <julian@codesourcery.com>
1001 * config.gcc: Disable shared libgcc for SymbianOS.
1002 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1004 2006-01-18 DJ Delorie <dj@redhat.com>
1006 * c-pragma.c (handle_pragma_diagnostic): New.
1007 (init_pragma): Register it.
1008 * doc/extend.texi: Document it.
1010 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1011 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1012 (diagnostic_context): Add classify_diagnostic[].
1013 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1014 as errors if they're overridden to DK_WARNING.
1015 (diagnostic_initialize): Initialize classify_diagnostic[].
1016 (diagnostic_set_kind_override): New.
1017 (diagnostic_report_diagnostic): Check for kind changes.
1018 * opts.c (common_handle_option): Take lang_mask. Update callers.
1020 * common.opt (Werror=): New.
1021 * doc/invoke.texi: Document -Werror=*
1023 2006-01-18 Jeff Law <law@redhat.com>
1025 * tree-vrp.c (test_for_singularity): Correct test for new
1026 min limit. Use operand_equal_p rather than pointer equality
1027 for testing if new min/max values are equal.
1029 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1030 using range information until after propagation and folding.
1032 2006-01-18 Richard Henderson <rth@redhat.com>
1033 Aldy Hernandez <aldyh@redhat.com>
1034 Jakub Jelinek <jakub@redhat.com>
1035 Diego Novillo <dnovillo@redhat.com>
1037 * omp-low.c: New file.
1038 * c-omp.c: New file.
1040 2006-01-18 Richard Henderson <rth@redhat.com>
1041 Jakub Jelinek <jakub@redhat.com>
1042 Diego Novillo <dnovillo@redhat.com>
1044 * doc/invoke.texi: Document -fopenmp.
1045 * tree-dump.h (debug_function): Declare.
1046 * hooks.c (hook_bool_tree_bool_false): New function.
1047 (hook_tree_tree_null): Remove.
1048 (hook_tree_tree_tree_null): New.
1049 * hooks.h: Update to match.
1050 * tree-pretty-print.c (debug_tree_chain): New.
1051 (print_generic_expr): Handle TDF_CHAIN.
1052 (dump_generic_node): Handle BLOCK.
1053 Do not abort with incomplete SWITCH_EXPRs.
1054 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1055 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1056 print space after directive name.
1057 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1058 Handle OMP_MASTER and OMP_ORDERED.
1059 Handle printing of OMP_BODY just in one place, goto
1060 dump_omp_body in the rest of OMP_* nodes that have
1062 Don't handle clause nodes here. Update omp statements to
1063 use dump_omp_clauses.
1064 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1065 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1066 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1067 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1068 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1069 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1070 Adjust output for GOMP_PARALLEL.
1071 (dump_omp_clauses): New.
1072 (print_declaration): Dump DECL_VALUE_EXPR.
1073 (op_symbol_1): Split out of op_symbol.
1074 (dumping_stmts): Remove. Update all users.
1075 * cgraph.c (cgraph_analyze_queue): New.
1076 (cgraph_add_new_function): New.
1077 * cgraph.h (cgraph_analyze_queue): Declare.
1078 (cgraph_add_new_function): Declare.
1079 (cgraph_lower_function): Remove.
1080 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1081 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1082 and TYPE_P nodes in its default clause.
1083 (empty_body_p): New.
1084 (tree_range_check_failed): New.
1086 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1087 OMP_CLAUSE_REDUCTION_MERGE,
1088 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1089 OMP_CLAUSE_PRIVATE_DEBUG,
1090 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1091 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1092 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1093 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1094 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1095 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1096 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1097 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1098 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1099 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1100 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1101 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1102 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1103 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1104 (TREE_RANGE_CHECK): New.
1105 (empty_body_p): Declare.
1106 (enum omp_clause_default_kind): New.
1107 (build_string_literal): Declare.
1108 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1109 (build5_stat, build5): Declare.
1110 * tree-pass.h (TDF_CHAIN): Define.
1111 * tree-pass.h (PROP_gimple_lomp): Define.
1112 (pass_lower_omp): Declare.
1113 * diagnostic.h (debug_tree_chain): Declare.
1114 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1116 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1117 * builtins.c (build_string_literal): Make extern.
1118 * gcc.c (include_spec_function): New.
1119 (static_spec_functions): Add it.
1120 (main): Move load of libgomp.spec ...
1121 (LINK_COMMAND_SPEC): ... here.
1122 (link_gomp_spec): New.
1123 (static_specs): Include it.
1124 (LINK_COMMAND_SPEC): Add link_gomp.
1125 (GOMP_SELF_SPECS): New.
1126 (driver_self_specs): Include it.
1127 (switch_matches): Don't mark inline.
1128 (main): Load libgomp.spec.
1129 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1130 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1131 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1132 * tree-gimple.h (enum omp_parallel): Declare.
1133 (determine_parallel_type): Declare.
1134 (omp_firstprivatize_variable): Declare.
1135 (omp_reduction_init): Declare.
1136 (diagnose_omp_structured_block_errors): Declare.
1137 (struct walk_stmt_info): Add want_return_expr.
1138 (struct walk_stmt_info): Add want_bind_expr, want_locations.
1139 (find_omp_clause): Declare.
1140 (insert_field_into_struct): Declare.
1141 (struct walk_stmt_info): Move from tree-nested.c
1142 (walk_stmts): Declare.
1143 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1145 * cgraphunit.c (cgraph_lower_function): Make static.
1146 (cgraph_finalize_pending_functions): New.
1147 (cgraph_finalize_function): Call it.
1148 (cgraph_finalize_compilation_unit): Likewise.
1149 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1150 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1151 (BT_FN_UINT_UINT): New.
1152 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1153 DEF_FUNCTION_TYPE_VAR_4): Document.
1154 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1155 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1156 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1157 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1158 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1159 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1160 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1161 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1162 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1163 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1164 into separate files.
1165 (DEF_GOMP_BUILTIN): New.
1166 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1167 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1168 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1169 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1170 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1171 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1172 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1173 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1174 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1175 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1176 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1177 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1178 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1179 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1180 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1181 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1182 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1183 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1184 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1185 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1186 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1187 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1188 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1189 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1190 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1191 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1192 * sync-builtins.def: New file, moved from builtins.def.
1193 * omp-builtins.def: New file, moved from builtins.def.
1194 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1195 * gimple-low.c (lower_function_body): Clear data.
1196 (lower_stmt): Do not handle COMPOUND_EXPR.
1197 Remove call to print_node_brief.
1198 * c-tree.h (c_finish_omp_clauses): New prototype.
1199 (C_DECL_THREADPRIVATE_P): Define.
1200 (lookup_name_no_remap, c_omp_remap_private): Remove
1201 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1202 (check_for_loop_decls): Update decl.
1203 (lookup_name_no_remap, c_omp_remap_private): Declare.
1204 (build_indirect_ref, build_modify_expr, pushdecl,
1205 pushdecl_top_level): Move to c-common.h.
1206 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1207 before the switch, but just in the 2 places that need it.
1208 * c-decl.c (diagnose_mismatched_decls): Do not check for
1209 mismatched thread-local attributes when OLDDECL is marked
1210 threadprivate and NEWDECL has no thread-local attributes.
1211 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1212 (c_gimple_diagnostics_recursively): Rename from
1213 c_warn_unused_result_recursively. Invoke
1214 diagnose_omp_structured_block_errors.
1215 (check_for_loop_decls): Return a singular decl found.
1216 * langhooks.c (lhd_omp_predetermined_sharing): Return
1217 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1218 (lhd_omp_firstprivatize_type_sizes): New.
1219 (lhd_omp_assignment): New.
1220 (lhd_omp_predetermined_sharing): New.
1221 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1222 (struct lang_hooks_for_types): Add
1223 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1224 omp_predetermined_sharing, omp_disregard_value_expr,
1225 omp_private_debug_clause, omp_clause_default_ctor,
1226 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1227 (c_finish_omp_clauses): New.
1228 (c_finish_bc_stmt): Diagnose break within omp for.
1229 (c_begin_omp_parallel, c_finish_omp_parallel): New.
1230 (build_unary_op): Return error_mark after reporting
1232 (build_modify_expr): Likewise.
1233 * gimplify.c: Include optabs.h and pointer-set.h.
1234 (enum gimplify_omp_var_data): Declare.
1235 (struct gimplify_omp_ctx): Declare.
1236 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1238 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1239 (push_gimplify_context, pop_gimplify_context): Allow nesting.
1240 (splay_tree_compare_decl_uid): New.
1241 (new_omp_context): New.
1242 (delete_omp_context): New.
1243 (gimple_add_tmp_var): Call omp_add_variable.
1244 (gimplify_bind_expr): Likewise.
1245 (gimplify_var_or_parm_decl): If omp_notice_variable returned
1246 true, disregard DECL_VALUE_EXPR on the decl if any.
1247 (gimplify_expr_in_ctx): New.
1248 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1249 omp_add_variable, omp_notice_variable, omp_is_private
1250 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1251 gimplify_adjust_omp_clauses, gimplify_omp_parallel
1252 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1253 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1254 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1255 gimplify_omp_atomic): New.
1256 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1257 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1258 OMP_CRITICAL and OMP_ATOMIC.
1259 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1260 * c-pragma.h (enum pragma_kind): Add
1261 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1262 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1263 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1264 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1265 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1266 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1267 PRAGMA_OMP_THREADPRIVATE.
1268 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1269 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1270 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1271 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1272 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1273 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1274 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1275 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1276 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1277 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1278 * tree-ssa-dce.c (find_control_dependence): Do not assume that
1279 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1280 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1282 (struct nesting_info): Add field_map,
1283 suppress_expansion, debug_var_chain.
1284 (create_nesting_tree): Initialize them.
1285 (lookup_field_for_decl): Use field_map.
1286 (get_nonlocal_debug_decl, get_local_debug_decl): New.
1287 (convert_local_omp_clauses): New.
1288 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1289 (walk_body): Split out of walk_function.
1290 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1291 (convert_nonlocal_reference): Handle omp statements.
1292 (convert_local_reference): Likewise.
1293 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1294 (unnest_nesting_tree): New.
1295 (lower_nested_functions): Call it.
1296 (insert_field_into_struct): Make extern.
1297 (struct walk_stmt_info): Move to tree-gimple.h.
1298 (walk_stmts): Make extern.
1299 * omp-builtins.def: New file.
1300 * tree-iterator.c (expr_only): Clarify comment.
1301 * c-common.h (pushdecl_top_level, pushdecl,
1302 build_modify_expr, build_indirect_ref,
1303 c_finish_omp_master, c_finish_omp_critical,
1304 c_finish_omp_ordered, c_finish_omp_barrier,
1305 c_finish_omp_atomic, c_finish_omp_flush,
1306 c_finish_omp_for, c_split_parallel_clauses,
1307 omp_clause_default_kind, c_omp_sharing_predetermined,
1308 c_omp_remap_decl): Declare.
1309 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1310 (OBJS-common): Add omp-low.o.
1311 (c-omp.o, omp-low.o): Add.
1312 (gimplify.o): Add dependency on $(OPTABS_H).
1313 (GTFILES): Add omp-low.c.
1314 (gt-stringpool.h): Add.
1315 * tree-cfg.c (set_bb_for_stmt): Do not update the
1316 block-to-labels map if we are currently expanding to RTL.
1317 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1319 Handle IDENTIFIER_NODE.
1320 (tree_verify_flow_info): Do not ICE when emitting error
1321 messages about invalid labels.
1322 (dump_function_to_file): Reset CFUN before emitting the body
1324 (debug_function): New.
1325 * passes.c (init_optimization_passes): Schedule
1327 * langhooks-def.h (lhd_omp_predetermined_sharing,
1328 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1330 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1331 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1332 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1333 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1334 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1335 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1336 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1337 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1338 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1339 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1340 (LANG_HOOK_DECLS): Use them.
1342 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1343 Richard Henderson <rth@redhat.com>
1344 Jakub Jelinek <jakub@redhat.com>
1345 Diego Novillo <dnovillo@redhat.com>
1347 * c-parser.c (pragma_omp_clause): Define.
1348 (c_parser_declaration_or_fndef): Document OpenMP syntax.
1349 (c_parser_compound_statement): Likewise.
1350 (c_parser_statement): Likewise.
1351 (c_parser_pragma): Handle omp pragmas.
1352 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1353 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1354 (c_parser_omp_clause_name, check_no_duplicate_clause,
1355 c_parser_omp_variable_list,
1356 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1357 c_parser_omp_clause_copyprivate,
1358 c_parser_omp_clause_default,
1359 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1360 c_parser_omp_clause_lastprivate,
1361 c_parser_omp_clause_nowait,
1362 c_parser_omp_clause_num_threads,
1363 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1364 c_parser_omp_clause_reduction,
1365 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1366 c_parser_omp_all_clauses, c_parser_omp_structured_block,
1367 c_parser_omp_atomic, c_parser_omp_barrier,
1368 c_parser_omp_critical, c_parser_omp_flush,
1369 c_parser_omp_for_loop, c_parser_omp_for,
1370 c_parser_omp_master, c_parser_omp_ordered,
1371 c_parser_omp_sections_scope, c_parser_omp_sections,
1372 c_parser_omp_parallel, c_parser_omp_single,
1373 c_parser_omp_construct, c_parser_omp_threadprivate): New.
1374 * c-pragma.c (init_pragma): Do omp pragma registration here.
1375 * c.opt (fopenmp): New flag.
1377 2006-01-18 Eric Christopher <echristo@apple.com>
1379 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1380 * config/darwin.h (GOMP_SELF_SPECS): Define.
1382 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1384 * rtl.h: Remove the prototype for reg_alloc.
1386 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1389 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1390 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1391 sjlj and dwarf2 exception handling.
1392 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1393 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1394 * pa/pa.c (function_value): Treat complex and vector types as
1396 (function_arg): Likewise. Only pass scalar floats in the floating
1397 point argument registers.
1398 * pa/t-slibgcc-dwarf-ver: New file.
1399 * pa/t-slibgcc-sjlj-ver: New file.
1400 * pa/t-slibgcc-elf-ver: Delete file.
1402 2006-01-19 Alan Modra <amodra@bigpond.net.au>
1404 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1405 unlikely_test_section_p test.
1407 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1409 * mode-switching.c (optimize_mode_switching): Make it static.
1410 * basic-block.h: Remove the prototype for
1411 optimize_mode_switching.
1413 * modulo-sched.c (sms_schedule): Make it static.
1414 * rtl.h: Remove the prototype for sms_schedule.
1416 * postreload-gcse.c (gcse_after_reload_main): Make it static.
1417 * rtl.h: Remove the prototype for gcse_after_reload_main.
1419 * reg-stack.c (reg_to_stack): Make it static.
1420 * rtl.h: Remove the prototype for reg_to_stack.
1422 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1424 * rtl.h: Remove the prototypes for regrename_optimize and
1425 copyprop_hardreg_forward.
1427 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
1429 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1430 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
1431 Test against the appropriate null constant for the mode.
1432 If 'fixup_overlap' is true, swap the operands if they overlap.
1433 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1434 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1435 alpha_split_tmode_pair and adjust for above change.
1436 * config/alpha/alpha.md (movtf_internal): Adjust call to
1437 alpha_split_tfmode_pair and rely on it to swap the operands.
1438 (movti_internal): New insn and post-reload splitter.
1439 (movti): New expander.
1441 2006-01-18 Philippe De Muyter <phdm@macqel.be>
1443 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1446 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1448 * rtlanal.c (global_reg_mentioned_p_1,
1449 global_reg_mentioned_p): Remove.
1450 * rtl.h: Remove the prototype for global_reg_mentioned_p.
1452 * flow.c (initialize_uninitialized_subregs): Make it static.
1453 * rtl.h: Remove the prototype for
1454 initialize_uninitialized_subregs.
1456 * function.c (instantiate_virtual_regs): Make it static.
1457 * function.h: Remove the prototype for
1458 instantiate_virtual_regs.
1460 * regmove.c (regmove_optimize, combine_stack_adjustments):
1462 * rtl.h: Remove the prototypes for regmove_optimize and
1463 combine_stack_adjustments.
1465 2006-01-17 Roger Sayle <roger@eyesopen.com>
1467 * config/i386/i386.c (COSTS_N_BYTES): New macro.
1468 (size_cost): Encode costs in bytes so that a reg-reg addition is
1469 equivalent to COSTS_N_INSNS(1).
1470 (override_options): Use the size_cost.branch_cost as the default
1471 ix86_branch_cost when optimizing for size.
1473 2006-01-18 Ben Elliston <bje@au.ibm.com>
1475 * Makefile.in (D32PBIT_FUNCS): New.
1476 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
1477 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
1478 D64PBIT_FUNCS and D128PBIT_FUNCS.
1479 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
1480 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
1482 (decnumber_dep): Define.
1483 * doc/libgcc.texi (Decimal float library routines): New node.
1484 * config/dfp-bit.h, config/dfp-bit.c: New files.
1486 2006-01-18 Ben Elliston <bje@au.ibm.com>
1488 * expr.c (emit_move_change_mode): Always adjust addresses, not
1489 just during reload. Copy replacements only during reload.
1490 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
1491 emit_move_via_integer.
1493 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
1495 * Makefile.in (check-%, check-consistency): Use $${srcdir}
1496 instead of $(srcdir) and ${srcdir}.
1498 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
1502 * arm.h (struct machine_function): Add pic_reg.
1503 * arm.c (arm_pic_register): Make unsigned.
1504 (arm_override_options): Only set arm_pic_register if
1505 TARGET_SINGLE_PIC_BASE.
1506 (use_return_insn): Only test for a pic register if it is fixed.
1507 (arm_compute_save_reg0_reg12_mask): Likewise.
1508 (thumb_compute_save_reg_mask): Likewise.
1509 (legitimate_pic_operand): Factor out some known invariants.
1510 (legitimize_pic_address): If we don't have a fixed pic register,
1511 then set up a pseudo in the function entry sequence. Handle the
1512 pic base being in a pseudo.
1513 (arm_load_pic_register): Handle the pic register being in a pseudo.
1514 (arm_expand_prologue): Only set up the pic register if it is fixed.
1515 (thumb_expand_prologue): Likewise.
1516 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
1517 (pic_load_addr_based_insn): Likewise.
1518 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
1521 2006-01-18 Ben Elliston <bje@au.ibm.com>
1523 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
1524 decimal float modes for all floating point registers.
1526 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
1527 match_code "mem" with match_test "macho_lo_sum_memory_operand".
1529 2006-01-17 Jakub Jelinek <jakub@redhat.com>
1532 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
1533 even when the pointer is not NULL.
1535 2006-01-16 Ian Lance Taylor <ian@airs.com>
1537 * common.opt (ftoplevel-reorder): New option.
1538 * cgraph.c (cgraph_asm_nodes): New global variable.
1539 (cgraph_asm_last_node): New static variable.
1540 (cgraph_order): New global variable.
1541 (cgraph_create_node): Set new order field.
1542 (cgraph_varpool_node): Likewise.
1543 (decide_is_variable_needed): Return true if not
1544 flag_toplevel_reorder.
1545 (cgraph_add_asm_node): New function.
1546 * cgraph.h (struct cgraph_node): Add order field.
1547 (struct cgraph_varpool_node): Add order field.
1548 (struct cgraph_asm_node): Define.
1549 (cgraph_asm_nodes, cgraph_order): Declare.
1550 (cgraph_add_asm_node): Declare.
1551 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
1553 (cgraph_varpool_assemble_pending_decls): Call it.
1554 (cgraph_output_pending_asms): New static function.
1555 (cgraph_finalize_compilation_unit): Call it.
1556 (struct cgraph_order_sort): Define.
1557 (cgraph_output_in_order): New static function.
1558 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
1559 !flag_toplevel_reorder case.
1560 * c-parser.c: Include "cgraph.h".
1561 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
1563 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
1564 than -fno-unit-at-a-time.
1565 * doc/invoke.texi (Option Summary): Mention
1566 -fno-toplevel-reorder.
1567 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
1568 -funit-at-a-time documentation.
1570 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
1571 Kazu Hirata <kazu@codesourcery.com>
1573 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
1575 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
1577 * Makefile.in (FUNCTION_H): New. Use it instead of
1578 function.h throughout the file.
1579 * function.h: Include tree.h.
1581 2006-01-17 Ben Elliston <bje@au.ibm.com>
1583 * recog.c: Separate some functions with whitespace.
1585 2006-01-16 Richard Henderson <rth@redhat.com>
1587 Merge from gomp branch:
1588 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
1589 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
1590 and rename from struct inline_data. Rename callee* to dst*;
1591 caller* to src*; add copy_decl hook, transform_call_graph_edges,
1592 transform_new_cfg, transform_return_to_modify, and
1593 transform_lang_insert_block flags; remove cloning_p, versioning_p,
1595 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
1596 (copy_decl_for_dup): Remove.
1597 * tree-inline.c (struct inline_data): Move to header.
1598 (insert_decl_map): Export.
1599 (remap_decl): Update for member name changes. Use copy_decl hook.
1600 Allow for replacement to be a non-decl. Remove dead code.
1601 (remap_type_1): Check for existing mapping.
1602 (remap_type): Export.
1603 (remap_decls): Update for member name changes.
1604 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
1605 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
1606 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
1607 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
1608 (tree_function_versioning, build_duplicate_type): Likewise.
1609 (copy_body_r): Likewise. Export.
1610 (copy_decl_for_dup): Split into ...
1611 (copy_decl_for_dup_finish, copy_decl_to_var,
1612 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
1613 (replace_ref_tree, inlining_p): Remove.
1615 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1617 * ifcvt.c (if_convert): Make it static.
1618 * rtl.h: Remove the prototype for if_convert.
1620 * local-alloc.c (local_alloc): Make it static.
1621 * rtl.h: Remove the prototype for local_alloc.
1623 * loop.c (loop_optimize): Make it static.
1624 * cfgloop.h: Remove the prototype for loop_optimize.
1627 2006-01-16 DJ Delorie <dj@redhat.com>
1629 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
1632 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1634 * pa.md: Disparage copies between general and floating-point registers
1635 in 32-bit move patterns.
1637 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
1640 * Makefile.in (check-%): Depend on site.exp instead of
1641 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
1644 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1646 * global.c (global_alloc): Make it static.
1647 * rtl.h: Remove the prototype for global_alloc.
1649 2006-01-16 Richard Guenther <rguenther@suse.de>
1651 * tree-ssa-alias.c (struct used_part): Add write_only field.
1652 (get_or_create_used_part_for): Initialize it to true.
1653 (create_overlap_variables_for): Don't create structure variables
1654 for structures that only are written to.
1655 (find_used_portions): Handle MODIFY_EXPR to track whether a
1656 structure is only written to.
1658 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1660 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
1662 * basic-block.h: Remove the prototype for
1663 partition_hot_cold_basic_blocks.
1665 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
1667 * cppspec.c (lang_specific_spec_functions): Remove.
1668 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
1669 * gcc.h (lang_specific_spec_functions): Remove.
1670 * gccspec.c (lang_specific_spec_functions): Remove.
1672 2005-01-16 Paolo Bonzini <bonzini@gnu.org>
1674 * combine.c (record_value_for_reg): Invalidate registers
1676 (record_dead_and_set_regs_1): Likewise, by passing them to
1677 record_value_for_reg.
1678 (record_dead_and_set_regs): Invalidate stores made by a
1679 call. We do not combine across a call, but we still
1680 relied on equivalences.
1682 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1684 * tree-vrp.c (extract_range_from_binary_expr): Cope with
1685 vrp_int_const_binop returning non-constant nodes.
1687 2006-01-16 Paul Brook <paul@codesourcery.com>
1689 * config/m68k/m68k.c (output_move_const_into_data_reg):
1690 Output correct mnemonic for mvz and mvs.
1692 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
1694 * rtl-factoring.c: Add sequence abstraction algorithm.
1695 * cfgcleanup.c (outgoing_edges_match): Extra checks.
1696 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
1698 (block_has_preserve_label): New function.
1699 * common.opt: Register new pass.
1700 * Makefile.in: Ditto.
1702 * timevar.def: Ditto.
1703 * tree-pass.h: Ditto.
1704 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
1705 * rtl.h (make_jump_insn_raw): Add forward decl.
1706 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
1708 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1709 Roger Sayle <roger@eyesopen.com>
1711 * fold-const.c (fold_minmax): New static function.
1712 (fold_binary) <MIN_EXPR>: Call it.
1713 <MAX_EXPR>: Likewise.
1714 * stor-layout.c (place_field): Use DECL_SIZE consistently
1715 in the computation of the new record size.
1717 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1719 * cse.c (cse_condition_code_reg): Make it static.
1720 * rtl.h: Remove the prototype for cse_condition_code_reg.
1722 * combine.c (combine_instructions): Make it static.
1723 * rtl.h: Remove the prototype for combine_instructions.
1725 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1728 * tree.c (get_file_function_name_long): Concatenate the first global
1729 object name with a string derived from the input filename of the object
1732 2006-01-16 Ben Elliston <bje@au.ibm.com>
1734 * config/i386/winnt-stubs.c: Update FSF address.
1735 * config/xtensa/ieee754-df.S: Ditto.
1736 * config/xtensa/ieee754-sf.S: Ditto.
1738 2006-01-14 Ian Lance Taylor <ian@airs.com>
1740 * ifcvt.c (noce_init_if_info): New static function, broken out of
1741 noce_process_if_block.
1742 (noce_process_if_block): Call noce_init_if_info.
1743 (check_cond_move_block): New static function.
1744 (cond_move_process_if_block): New static function.
1745 (process_if_block): Call cond_move_process_if_block.
1747 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
1749 * cselib.c (hash_table): Rename to cselib_hash_table.
1750 (cselib_clear_table, discard_useless_values,
1751 remove_useless_values, cselib_lookup_mem, cselib_lookup,
1752 cselib_init, cselib_finish): Adjust uses of hash_table.
1754 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
1756 PR tree-optimization/25485
1757 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
1758 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
1759 is known to be false and true, respectively.
1761 2006-01-14 Richard Guenther <rguenther@suse.de>
1763 PR tree-optimization/22548
1764 PR tree-optimization/22555
1765 PR tree-optimization/22501
1766 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
1767 * params.def (salias-max-array-elements): New parameter.
1768 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
1769 * doc/invoke.texi (salias-max-array-elements): Document.
1770 * tree-flow-inline.h (var_can_have_subvars): We also handle
1772 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
1774 * tree-ssa-structalias.c (params.h): Include.
1775 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
1776 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
1777 (get_constraint_for): For ADDR_EXPR operating on something
1778 containing an ARRAY_REF, add all subvars to the solution.
1779 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
1780 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
1781 for creating MUST_DEFs.
1782 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
1784 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
1786 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
1788 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
1789 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1790 number_of_iterations_le): New functions.
1791 (number_of_iterations_special): Removed.
1792 (number_of_iterations_exit): Do not use number_of_iterations_special.
1793 * tree.c (unsigned_type_for): Always return integer type.
1795 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
1796 Richard Guenther <rguenther@suse.de>
1798 PR rtl-optimization/24257
1799 * gcse.c (find_moveable_store): Only consider a store movable
1800 when the SET_SRC of the insn can be assigned to a register.
1802 2006-01-14 Ian Lance Taylor <ian@airs.com>
1804 * tree.c (tree_not_class_check_failed): New function.
1805 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
1806 (tree_not_class_check_failed): Declare.
1808 2006-01-13 Ian Lance Taylor <ian@airs.com>
1810 * reload1.c (do_output_reload): Add assertion rejecting a
1813 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
1815 * combine.c (struct reg_stat): Add new fields truncation_label and
1817 (record_value_for_reg): Reset truncated_to_mode.
1818 (record_truncated_value): New function.
1819 (check_promoted_subreg): Call it. Rename to check_conversions.
1820 (combine_instructions): Rename check_promoted_subreg to
1822 (reg_truncated_to_mode): New function.
1823 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
1824 (gen_lowpart_or_truncate): New function.
1825 (force_to_mode): Use it instead of gen_lowpart.
1827 2006-01-13 Diego Novillo <dnovillo@redhat.com>
1829 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
1830 VAR is a tag, not its type tag.
1832 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
1834 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
1835 alternatives to match style of other entries.
1836 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
1838 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
1840 PR tree-optimization/25771
1841 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
1844 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
1847 * tree-inline.c (declare_return_variable): If the return variable
1848 was marked as a non gimple complex, set the return slot variable
1849 to be a non gimple comple variable.
1851 2006-01-13 Richard Guenther <rguenther@suse.de>
1853 * builtins.c (expand_builtin_sincos): New function.
1854 (expand_builtin_mathfn_3): Remove dead code, sin and cos
1856 (expand_builtin): Expand sincos using expand_builtin_sincos.
1858 2006-01-12 DJ Delorie <dj@redhat.com>
1860 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
1861 shift counts, separate SI shifts for m32c vs m16c, pass shift type
1862 so that constant shifts can be split.
1863 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
1864 (m32c_valid_pointer_mode): Make static.
1865 (shift_gen_func_for): New.
1866 (m32c_prepare_shift): Use it. Split large const shifts into
1868 * config/m32c/predicates.md (shiftcount_operand): Allow more
1870 (longshiftcount_operand): New.
1871 * doc/md.texi (Machine Constraints): Document In6.
1873 2006-01-13 Ben Elliston <bje@au.ibm.com>
1875 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
1876 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
1879 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
1881 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
1882 to try to avoid clobbering pieces of structures when we know
1883 something about the whole structure.
1884 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
1886 2006-01-13 Ben Elliston <bje@au.ibm.com>
1888 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
1889 return in memory, as this is no limitation is no longer present.
1891 2006-01-12 DJ Delorie <dj@redhat.com>
1893 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
1894 mova with fb, and for fb+0 -> An.
1896 * config/m32c/mov.md (peephole2): Fix enabling logic.
1898 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
1899 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
1900 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
1901 FINI_ARRAY_SECTION_ASM_OP): Define.
1903 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
1905 (m32c_legitimize_reload_address): New logic to reload FB to An.
1906 (m32c_output_reg_push): Add newline.
1907 (m32c_output_reg_pop): Likewise.
1909 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
1911 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
1913 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
1915 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
1917 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1919 * config/sh/predicates.md (sh_rep_vec): Add parallel to
1922 2006-01-11 Ben Elliston <bje@au.ibm.com>
1924 * rtlanal.c (find_reg_note): Assert insn is not null.
1926 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
1928 * df-scan.c (df_hard_reg_init): Move declaration of i outside
1931 2006-01-11 Jeff Law <law@redhat.com>
1933 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
1935 (mark_threaded_blocks, register_jump_thread): New functions.
1936 (thread_through_all_blocks): Remove unwanted argument. No
1937 longer rely on e->aux to communicate thread target info.
1938 Call mark_threaded_blocks. Release the threaded_blocks
1939 bitmap and threaded_edges vector when complete.
1940 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
1941 (threaded_blocks): Remove.
1942 (tree_ssa_dominator_optimize): Remove initialization and
1943 finalization of threaded_blocks. Simplify call to
1944 thread_through_all_blocks.
1945 (thread_across_edge): Call register_jump_thread rather than
1946 storing thread information into e->aux.
1947 (free_all_edge_infos): Simplify now that e->aux is no longer
1948 used to communicate with thread_through_all_blocks.
1949 * tree-flow.h (thread_through_all_blocks): Update prototype.
1950 (register_jump_thread): Prototype.
1952 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1954 * df-core.c (df_compact_blocks, df_bb_replace): Use
1955 SET_BASIC_BLOCK instead of BASIC_BLOCK.
1957 2006-01-11 Richard Guenther <rguenther@suse.de>
1959 PR tree-optimization/25734
1960 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
1961 stop propagation after successful propagation to the LHS.
1963 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1965 * basic-block.h (control_flow_graph): Change the type of
1966 x_basic_block_info to VEC(basic_block,gc) *.
1967 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
1969 (SET_BASIC_BLOCK): New.
1970 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
1971 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
1972 * cfgbuild.c (find_basic_blocks): Likewise.
1973 * cfglayout.c (fixup_reorder_chain): Likewise.
1974 * cfgrtl.c (create_basic_block_structure,
1975 rtl_create_basic_block): Likewise.
1976 * ifcvt.c (find_if_case_1): Likewise.
1977 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
1980 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
1982 * Makefile.in: Removed rotted odf.c entry.
1984 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
1987 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
1988 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
1989 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
1990 output pattern modifier, not %e.
1991 * config/cris/cris.c (cris_op_str): Update comment about pattern
1993 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
1994 before falling through into...
1995 <case 'E'>: Redefined from old 'e' case.
1997 2006-01-11 Jan Hubicka <jh@suse.cz>
2000 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2002 2006-01-11 Jan Hubicka <jh@suse.cz>
2004 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2005 * i386.c (x86_decompose_lea): Kill.
2006 (ix86_rtx_costs): Kill.
2008 2006-01-11 Jan Hubicka <jh@suse.cz>
2010 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2011 * cgraph.h (cgraph_node): Add inline_decl.
2012 (cgraph_insert_node_to_hashtable): Declare.
2013 (save_inline_function_body): Declare.
2014 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2016 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2017 (cgraph_function_versioning): Update call of tree_function_versioning.
2018 (save_inline_function_body): New function.
2019 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2020 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2021 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2022 (cgraph_default_inline_p): Likewise.
2023 (cgraph_decide_inlining_incrementally): Likewise.
2024 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2025 (copy_bb): Kill saving; do updating of clones.
2026 (copy_cfg_body): Kill saving.
2027 (initialize_inlined-parameters): Likewise.
2028 (expand_call_inline): Likewise.
2030 (tree_function_versioning): New parameter "update_clones".
2031 (inlining_p): Kill saving.
2032 * tree-inline.h (tree_function_versioning): Update prototype.
2033 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2036 2006-01-11 Ian Lance Taylor <ian@airs.com>
2038 * combine.c (struct undo): Remove is_int. Enumify types of undos.
2039 Allow undoing set of machine mode.
2040 (do_SUBST): Use enums instead of is_int.
2041 (do_SUBST_MODE): New function.
2042 (SUBST_MODE): New macro.
2043 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2044 reg and trying to replace reg_regno_rtx with a new register.
2045 (undo_all): Use new enums, handle undoing a PUT_MODE change.
2046 (simplify_set): Use SUBST_MODE.
2047 (distribute_notes): Remove code that tried to update reg notes
2048 for regno_reg_rtx changes.
2050 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
2052 PR tree-optimization/23109
2053 PR tree-optimization/23948
2054 PR tree-optimization/24123
2056 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2057 * tree-cfg.c (single_noncomplex_succ): New.
2058 * tree-flow.h (single_noncomplex_succ): Declare it.
2059 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2060 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2061 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2062 insert_bb, register_division_in, insert_reciprocals,
2063 replace_reciprocal, free_bb): New.
2064 (execute_cse_reciprocals_1): Rewritten.
2065 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2066 Do not commit any edge insertion. Always compute dominators and
2067 create the allocation pool.
2068 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2069 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2070 * targhooks.c (default_min_divistions_for_recip_mul): New.
2071 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2072 * passes.c (init_optimization_passes): Run recip after tree loop
2074 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2076 2005-01-11 Danny Berlin <dberlin@dberlin.org>
2077 Kenneth Zadeck <zadeck@naturalbridge.com>
2079 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2080 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2081 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2082 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2083 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2084 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2085 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2086 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2087 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2088 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2089 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2090 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2091 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2092 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2093 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2094 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2095 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2096 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2097 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2098 DF_SCAN_POST_ALLOC): New macros.
2099 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2100 df_free_bb_function, df_local_compute_function, df_init_function,
2101 df_dataflow_function, df_confluence_function_0,
2102 df_confluence_function_n, df_transfer_function,
2103 df_finalizer_function, df_free_function, df_dump_problem_function,
2104 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2105 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2106 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2107 df_urec_bb_info, ) New types.
2108 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2110 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2111 df_analyze_simple_change_some_blocks,
2112 df_analyze_simple_change_one_block, df_compact_blocks,
2113 df_bb_replace, df_bb_regno_last_use_find,
2114 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2115 df_insn_regno_def_p, df_find_def, df_find_use,
2116 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2117 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2118 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2119 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2120 debug_df_chain, df_get_dependent_problem, df_chain_create,
2121 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2122 df_grow_bb_info, df_chain_dump, df_print_bb_index,
2123 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2124 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2125 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2126 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2127 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2128 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2129 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2130 df_ref_remove, df_insn_refs_delete, df_refs_delete,
2131 df_reorganize_refs, df_set_state, df_hard_reg_init,
2132 df_read_modify_subreg_p) New public functions.
2133 * df-core.c: The core dataflow solver and glue routines for rtl
2135 (df_init, df_add_problem, df_set_blocks, df_finish,
2136 df_hybrid_search_forward, df_hybrid_search_backward,
2137 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2138 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2139 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2140 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2141 df_reg_defined, df_find_use, df_reg_used, df_dump,
2142 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2143 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2144 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2145 debug_df_useno, reset_df_after_reload): New functions.
2146 * df-scan.c: The scanning fuctions, once in df.c, completely
2147 rewritten so that they now fully model the functionality of
2148 register usage at the backend.
2149 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2150 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2151 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2152 df_grow_insn_info, df_rescan_blocks, df_ref_create,
2153 df_get_artificial_defs, df_get_artificial_uses,
2154 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2155 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2156 df_refs_delete, df_reorganize_refs, df_set_state,
2157 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2158 df_def_record_1, df_defs_record, df_uses_record,
2159 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2160 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2161 df_record_exit_block_uses, df_hard_reg_init): New functions.
2163 * df-problems.c: Seven concrete dataflow problems that use the
2164 scanning in df-scan.c and are solved by the engine in df-core.c.
2165 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2166 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2167 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2168 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2169 df_ru_free_bb_info, df_ru_alloc,
2170 df_ru_bb_local_compute_process_def,
2171 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2172 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2173 df_ru_transfer_function, df_ru_free, df_ru_dump,
2174 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2175 df_rd_free_bb_info, df_rd_alloc,
2176 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2177 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2178 df_rd_transfer_function, df_rd_free, df_rd_dump,
2179 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2180 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2181 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2182 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2183 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2184 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2185 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2186 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2187 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2188 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2189 df_urec_mark_reg_change, df_urec_check_earlyclobber,
2190 df_urec_mark_reg_use_for_earlyclobber,
2191 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2192 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2193 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2194 df_urec_dump, df_urec_add_problem, df_chain_alloc,
2195 df_chain_create_bb_process_use, df_chain_create_bb,
2196 df_chain_finalize, df_chain_free, df_chains_dump,
2197 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2198 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2199 df_reg_lifetime): New functions.
2200 * df.c: Deleted file.
2201 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2202 consistent with new df api.
2203 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2204 rest_of_handle_sms): Ditto.
2205 * web.c (unionfind_union, union_defs, entry_register, web_main):
2207 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2208 invariant_expr_equal_p, find_defs, check_dependencies,
2209 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2210 free_inv_motion_data, move_loop_invariants): Ditto.
2211 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2212 Update dependencies.
2213 (odf.c): Added defective entry that was deleted later in day.
2214 * sched-deps.c (sched_analyze_1): Ditto.
2216 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
2218 * tree-ssa-operands.c (get_expr_operands): Record addressable
2219 variables directly. Do not call add_stmt_operands for CONST_DECLs
2221 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2222 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2224 2006-01-11 Ben Elliston <bje@au.ibm.com>
2226 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2227 function returns true in the positive case.
2229 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2232 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2233 for SI, DI, SF and DF modes. Add alternatives to copy between
2234 general and floating point registers to the 32-bit patterns.
2235 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2236 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2237 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2238 generating 64-bit code.
2239 * config/pa/pa.c (output_move_double): Handle copies between general
2240 and floating registers.
2242 2006-01-10 Stuart Hastings <stuart@apple.com>
2244 * config/i386/i386.md (set_got): Update.
2245 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
2246 (builtin_setjmp_receiver): Mach-O support.
2247 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2248 (GOT_SYMBOL_NAME): Define.
2249 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2250 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2251 * config/i386/i386.c (override_options): Revise for Darwin.
2252 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
2253 support. (darwin_x86_file_end): New. (output_set_got): Add label
2254 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
2255 * config/i386/i386-protos.h (output_set_got): Likewise.
2256 * config/darwin.c (machopic_legitimize_pic_address): Update
2259 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
2261 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2262 when MODE isn't BLKmode.
2264 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2266 PR rtl-optimization/25367
2267 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2269 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
2272 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2273 for a negative bound.
2275 2006-01-10 Richard Guenther <rguenther@suse.de>
2277 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2278 Never override with anything constraint.
2280 2006-01-10 Jan Beulich <jbeulich@novell.com>
2282 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2283 256 bits when optimize_size.
2285 2006-01-10 Jan Beulich <jbeulich@novell.com>
2287 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2289 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2290 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2293 2006-01-10 Ben Elliston <bje@au.ibm.com>
2295 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2297 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2298 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2299 (USE_FP_FOR_ARG): Reject decimal float modes.
2300 (function_arg_advance): Likewise.
2301 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2302 (rs6000_handle_altivec_attribute): Do not permit decimal floating
2303 point types in AltiVec vectors.
2304 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2305 (rs6000_libcall_value): Likewise.
2307 2006-01-09 Bob Wilson <bob.wilson@acm.org>
2309 * config/xtensa/ieee754-df.S: New file.
2310 * config/xtensa/ieee754-sf.S: New file.
2311 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2312 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2313 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2315 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
2317 * config/sh/predicates.md (binary_float_operator,
2318 binary_logical_operator, commutative_float_operator,
2319 equality_comparison_operator, greater_comparison_operator,
2320 less_comparison_operator, logical_operator,
2321 noncommutative_float_operator, shift_operator,
2322 symbol_ref_operand, unary_float_operator): Remove redundant
2325 2006-01-09 Jeff Law <law@redhat.com>
2327 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2328 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
2329 now unused arguments. Callers updated.
2330 (eliminate_redundant_computations): Remove now unused arguments,
2332 (local_fold): Remove, no longer used.
2333 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2335 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2336 (simplify_cond): New function.
2337 (forward_propagate_into_cond): Call simplify_cond.
2339 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
2341 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2342 (*vec_extractv2di_1_sse): New.
2344 2006-01-09 Ben Elliston <bje@au.ibm.com>
2346 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2348 2006-01-08 Richard Guenther <rguenther@suse.de>
2350 * tree-ssa-structalias.c (get_constraint_for): Remove
2352 (get_constraint_for_component_ref): Likewise.
2353 (do_deref): Likewise.
2354 (get_constraint_for): Likewise.
2355 (do_structure_copy): Likewise.
2356 (handle_ptr_arith): Likewise.
2357 (find_func_aliases): Likewise. Remove unused need_anyoffset
2360 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
2361 Kaz Kojima <kkojima@gcc.gnu.org>
2363 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2364 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2365 (EXTRA_CONSTRAINT_C16): Remove.
2366 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2367 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2368 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2369 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2370 constants of SHmedia. Handle nested constant expressions of
2372 (andcosts): Fix the costs for SHmedia constants.
2373 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2374 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2375 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2376 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2377 (movv4hi_i, movv2si_i): Likewise.
2378 (movsi_const): Adjust the second operand of ior so to match with
2380 (movdi_const, movdi_const_32bit): Likewise.
2381 (movdi_const_16bit+1): Don't sign-extend LOW.
2382 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
2384 (*double_shori): Fix the split condition. Use GEN_INT instead
2385 of get_int_mode calls. Mask lower 16-bit of the argument of
2387 (sym2GOTPLT): Remove.
2388 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2390 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2391 instead of EXTRA_CONSTRAINT_C16.
2393 2006-01-07 Ian Lance Taylor <ian@airs.com>
2394 David Edelsohn <edelsohn@gnu.org>
2396 PR rtl-optimization/25662
2397 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2398 for constant operands instead of simplify_gen_binary.
2399 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2400 after trying simplify_binary_operation
2402 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
2404 * tree.c (iterative_hash_expr): Hash decls based on UID.
2406 2006-01-06 Eric Christopher <echristo@apple.com>
2408 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2409 (TARGET_UNWIND_EMIT): Fix spelling.
2410 * target.h (gcc_target): Add except_table_label.
2411 * except.c (output_function_exception_table): Use.
2412 * varasm.c (default_emit_except_table_label): New.
2413 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2415 (asm_out): Add here.
2416 * output.h (default_emit_except_table_label): Prototype.
2417 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2418 * config/darwin.c (darwin_emit_except_table_label): Define.
2419 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2421 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
2423 PR tree-optimization/18527
2424 * tree-ssa-loop-niter.c (number_of_iterations_cond,
2425 number_of_iterations_special, number_of_iterations_exit):
2426 Move base and step of an iv to a single structure. Add
2427 no_overflow flag, and use it in # of iterations analysis.
2428 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2429 folded_casts argument.
2430 (simple_iv): Pass base and step in a structure. Set no_overflow
2432 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2433 Evaluate expensiveness of computing # of iterations instead of
2434 the final expression.
2435 * tree-scalar-evolution.h (affine_iv): New structure.
2436 (simple_iv): Declaration changed.
2437 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2438 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2439 find_givs_in_stmt): Changed due to simple_iv change.
2441 2006-01-06 Jeff Law <law@redhat.com>
2444 * tree-cfg.c (bsi_replace): Rename final argument from
2445 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
2446 change (stmt -> orig_stmt).
2447 * tree-eh.c (verify_eh_throw_stmt_node): New function.
2448 (bsi_remove): Add new argument. Remove EH information
2450 (verify_eh_throw_table_statements): New function.
2451 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
2453 * tree-optimize.c (execute_free_cfg_annotations): Verify
2454 the EH throw statement table after removing annotations.
2455 * except.h (verify_eh_throw_table_statements): Prototype.
2456 * tree-flow.h (bsi_remove): Update prototype.
2457 * tree-vrp.c (remove_range_assertions): Add new argument to
2459 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2460 * tree-complex.c (expand_complex_div_wide): Likewise.
2461 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2462 * tree-tailcall.c (eliminate_tailcall): Likewise.
2463 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2464 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2465 * tree-nrv.c (tree_nrv): Likewise.
2466 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
2467 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
2468 (combine_blocks): Likewise.
2469 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
2470 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
2471 (cleanup_control_flow): Likewise.
2472 (remove_forwarder_block): Likewise.
2473 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2474 * tree-sra.c (sra_replace): Likewise.
2475 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
2476 (forward_propagate_single_use_vars): Likewise.
2477 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2478 * tree-inline.c (expand_call_inline): Likewise.
2479 * tree-vect-transform.c (vect_transform_loop): Likewise.
2480 * tree-outof-ssa.c (rewrite_trees): Likewise.
2481 * tree-cfg.c (make_goto_expr_edges): Likewise.
2482 (cleanup_dead_labels): Likewise.
2483 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
2484 (bsi_move_before, bsi_move_after): Likewise.
2485 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
2486 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
2488 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
2491 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
2493 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
2494 on non gimple variables. Also add checks at the top for decls and
2496 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
2498 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
2499 and IMAGPART_EXPR for creating MUST_DEFs.
2500 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
2501 and NAME_MEMORY_TAG separately from the DECLs.
2503 2006-01-06 Richard Guenther <rguenther@suse.de>
2505 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
2506 annotation, if necessary.
2507 * tree-ssa-pre.c (create_expression_by_pieces): Remove
2508 redundant calls to update_stmt.
2509 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
2512 2006-01-05 Richard Henderson <rth@redhat.com>
2514 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
2516 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2518 * c-typeck.c: Update copyright date.
2520 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2522 * c-typeck.c (build_c_cast): Always warn when casting
2523 from a pointer to an integer of different size, even if
2524 the node was constant.
2526 2006-01-05 Richard Guenther <rguenther@suse.de>
2528 PR tree-optimization/22555
2529 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
2530 if one structure field is an array.
2531 * tree-ssa-operands.c (get_expr_operands): Continue scanning
2532 operands even if we found a subvar, but ignore VOPs in this
2534 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
2536 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
2538 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
2541 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
2543 2006-01-05 Richard Guenther <rguenther@suse.de>
2544 Diego Novillo <dnovillo@redhat.com>
2546 * tree-pass.h (TODO_remove_unused_locals): Define.
2547 * gimple-low.c (expand_var_p, remove_useless_vars,
2548 pass_remove_useless_vars): Remove. Update all users.
2549 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
2550 (remove_unused_locals): New function.
2551 * tree-flow.h (remove_unused_locals): Declare.
2552 * passes.c (execute_todo): Call remove_unused_locals if
2553 TODO_remove_unused_locals is set.
2554 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
2555 * tree-ssa-dce.c (pass_dce): Likewise.
2556 * tree-outof-ssa.c (pass_del_ssa): Likewise.
2558 2006-01-05 Richard Guenther <rguenther@suse.de>
2560 * tree-flow.h (struct fieldoff): Decompose field to
2561 type, size and decl.
2562 * tree-ssa-alias.c (create_sft): Take type as parameter.
2563 (create_overlap_variables_for): Store type, size and decl
2564 in the fieldoff structure.
2565 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
2567 (push_fields_onto_fieldstack): Likewise.
2568 (create_variable_info_for): Likewise. Use offset for the
2569 SFT name if the decl is not available.
2571 2006-01-04 Paul Brook <paul@codesourcery.com>
2573 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
2575 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
2577 * lambda-code.c (can_put_in_inner_loop): Relax
2579 (can_put_after_inner_loop): New function.
2580 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
2581 (perfect_nestify): Change to make copies and modify uses.
2583 2006-01-04 Richard Henderson <rth@redhat.com>
2585 Merge from gomp branch:
2586 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
2587 via integer constant.
2588 (pragma_lex): Remove.
2589 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
2590 rather than parsing it.
2591 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
2592 handle_pragma_extern_prefix): Add %< %> quotes.
2593 (registered_pragmas): New.
2594 (c_register_pragma_1): New.
2595 (c_register_pragma): Use it.
2596 (c_register_pragma_with_expansion): Likewise.
2597 (c_invoke_pragma_handler): New.
2598 (init_pragma): Use cpp_register_deferred_pragma directly for
2600 * c-pragma.h (enum pragma_kind): New.
2601 (pragma_handler): New.
2602 (c_invoke_pragma_handler): Declare.
2603 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
2605 * c-common.h (c_common_pch_pragma): Update decl.
2606 * Makefile.in (c-parser.o): Update dependencies.
2607 (GTFILES): Add c-pragma.h.
2608 * c-parser.c (struct c_token): Add pragma_kind.
2609 (struct c_parser): Add in_pragma.
2610 (c_lex_one_token): Always initialize keyword and pragma_kind.
2611 Extract data for CPP_PRAGMA.
2612 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
2613 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
2614 Don't allow CPP_PRAGMA_EOL if in_pragma.
2615 (c_parser_consume_pragma): New.
2616 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
2617 (c_parser_skip_to_end_of_parameter): Likewise.
2618 (c_parser_skip_to_end_of_block_or_statement): Likewise.
2619 (c_parser_skip_to_pragma_eol): New.
2620 (c_parser_external_declaration): Handle CPP_PRAGMA.
2621 (c_parser_compound_statement_nostart): Likewise.
2622 (c_parser_statement_after_labels): Likewise.
2623 (c_parser_pragma): New.
2624 (pragma_lex): Likewise.
2625 (c_parser_pragma_pch_preprocess): New.
2626 (c_parser_new): Merge into ...
2627 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
2629 2006-01-04 Jeff Law <law@redhat.com>
2632 * tree-cfg.c (bsi_replace): Remove the original statement
2633 from the EH throw statement table.
2635 2006-01-04 Jakub Jelinek <jakub@redhat.com>
2637 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
2638 make the prototype extern "C" and add throw ().
2641 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
2642 and pos non-negative and pos + len <= 32.
2643 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
2644 drop pos + len < HOST_BITS_PER_WIDE_INT test.
2645 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
2648 * c-common.c (handle_vector_size_attribute): Reject zero vector size
2649 as well as sizes not multiple of component size.
2652 * function.c (instantiate_expr): New function.
2653 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
2654 walk its DECL_VALUE_EXPR with instantiate_expr.
2656 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
2657 DW_OP_deref{,_size} if address isn't going to be added.
2659 2006-01-04 Ben Elliston <bje@au.ibm.com>
2661 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
2662 * config/fp-bit.c: Likewise.
2664 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
2666 * dominance.c: Add comment about why we use DFS numbering
2669 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2670 Richard Henderson <rth@redhat.com>
2672 Merge from gomp-branch:
2673 * varasm.c (assemble_variable): Handle thread-local COMMON data.
2674 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
2676 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
2678 PR rtl-optimization/25578
2679 * combine.c (combine_simplify_rtx, force_to_mode): Don't
2680 pass a parameter to simplify_shift_const if changing ASHIFTRT
2683 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
2685 * builtins.c (get_builtin_sync_mem): New function.
2686 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
2687 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
2688 Call get_builtin_sync_mem to generate mem rtx.
2690 2006-01-03 Richard Guenther <rguenther@suse.de>
2693 * stmt.c (add_case_node): Make sure to clear overflow flags
2696 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2698 Merge from gomp-branch.
2699 * config/sparc/sync.md: New file.
2700 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
2701 UNSPECV_LDSTUB): New constants.
2702 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
2703 * config/sparc/predicates.md (memory_reg_operand): New predicate.
2704 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
2707 2006-01-03 Roger Sayle <roger@eyesopen.com>
2709 * combine.c (reg_subword_p): New predicate to test whether the
2710 destination of a set refers to a subword/piece of a register.
2711 (try_combine): Generalize the code to merge the setting of a
2712 pseudo to a constant followed by a set of a subword of that
2713 register to a constant.
2715 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
2717 * basic-block.h (control_flow_graph): Change the type of
2718 x_label_to_block_map to VEC(basic_block,gc) *.
2719 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
2720 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
2722 * tree-ssa-propagate.c (cfg_blocks): Change the type to
2723 VEC(basic_block,heap) *.
2724 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
2725 ssa_prop_fini): Adjust the uses of cfg_blocks.
2727 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
2729 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
2731 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
2732 hashing trees instead of a pointer hash.
2733 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
2734 compare for MEM_EXPR.
2736 PR rtl-optimization/25130
2737 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
2738 when comparing MEMs for GCSE
2740 2006-01-03 Ben Elliston <bje@au.ibm.com>
2742 * targhooks.h (default_decimal_float_supported_p): Declare.
2743 * targhooks.c (default_decimal_float_supported_p): Define.
2744 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
2745 `default_decimal_float_supported_p'.
2746 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
2748 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
2750 * combine.c (apply_distributive_law <SUBREG>): Check
2751 TRULY_NOOP_TRUNCATION.
2753 2006-01-02 Geoffrey Keating <geoffk@apple.com>
2755 * dwarf2out.c (have_switched_text_section): Delete.
2756 (have_multiple_function_sections): New.
2757 (have_location_lists): Make 'bool'.
2758 (add_AT_loc_list): Use 'true' not '1'.
2759 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
2760 (output_loc_list): Use have_multiple_function_sections.
2761 (output_ranges): Likewise.
2762 (dwarf2out_begin_function): Set have_multiple_function_sections if
2764 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
2765 Check function_section rather than DECL_SECTION_NAME.
2766 (dwarf2out_finish): Use have_multiple_function_sections.
2767 Don't clear have_location_lists.
2769 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
2770 Jan Hubicka <jh@suse.cz>
2772 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
2773 case of conditional jump jumping to the next instruction.
2774 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
2775 cases of conditional jump jumping to the next instruction.
2777 2006-01-02 Jan Hubicka <jh@suse.cz>
2779 * i386.c (*_cost): Add COSTS_N_INSNS.
2780 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
2782 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
2785 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
2787 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2789 * config/arm/arm.c (all_fpus): Fix comment typo.
2790 * config/darwin.c: Likewise.
2791 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
2792 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
2793 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
2795 2006-01-01 David Edelsohn <edelsohn@gnu.org>
2797 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
2798 (rs6000_split_compare_and_swapqhi): New.
2799 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
2800 (sync_compare_and_swapqhi_internal): New.
2801 * config/rs6000/rs6000-protos.h: Declare.