1 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
3 PR rtl-optimization/25890
4 PR rtl-optimization/25905
5 * combine.c (expand_compound_operation, expand_field_assignment):
6 Fail if the bitfield's final position is out of bounds.
8 2006-01-24 Ian Lance Taylor <ian@airs.com>
11 * cgraphunit.c (cgraph_output_in_order): Don't clear
12 cgraph_asm_nodes until after asm strings have been output.
14 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
16 * fix-header.c (read_scan_file): Add new parameter imultilib when
17 calling register_include_chains.
19 2006-01-23 Diego Novillo <dnovillo@redhat.com>
21 * omp-low.c: Update documentation.
23 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
24 Daniel Berlin <dberlin@dberlin.org>
28 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
29 return from the function.
31 2006-01-22 Zack Weinberg <zackw@panix.com>
33 * rtl.def (match_code): Add second argument.
34 * genpreds.c (write_extract_subexp): New function.
35 (write_match_code): Add path argument. Use write_extract_subexp.
36 (write_predicate_expr): Pass path to write_match_code.
37 (mark_mode_tests): MATCH_CODE applied to a subexpression does
38 not perform a mode test.
39 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
40 a subexpression does not constrain the top-level code set.
41 * read-rtl.c (read_rtx_variadic): New function.
42 (read_rtx_1): Use it; allow AND and IOR to be variadic.
43 * doc/md.texi: Document new notation.
44 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
45 (cmpsi_operand): ... here, using new notation.
47 2006-01-22 Zack Weinberg <zackw@panix.com>
49 * varray.c: Remove GENERATOR_FILE #ifdefs.
51 2006-01-22 Zack Weinberg <zackw@panix.com>
53 * genautomata.c (output_reserved_units_table): Emit nothing if
54 description->query_units_num is zero. Remove extra blank line.
55 (output_cpu_unit_reservation_p): Short circuit
56 if description->query_units_num is zero.
58 2006-01-22 Zack Weinberg <zackw@panix.com>
60 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
61 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
62 nor any of the random handful of variables that used to be necessary
63 when this program was linked with rtlanal.o. Prune set of forward
64 function declarations.
65 (struct attr_desc): Remove static_p field.
66 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
67 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
68 (attr_string): Do not read the character one past the length of
70 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
71 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
72 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
73 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
74 (make_automaton_attrs): New.
75 (main): Do not call into genautomata. Call local gen_bypass
76 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
77 Remove special case for insn_alts.
78 * genautomata.c: Include gensupport.h; not genattrtab.h nor
79 varray.h (leftover from previous change). Prune set of forward
80 function declarations. Remove state_alts fields from all
81 structures. Remove state_alts_table from struct automaton.
82 Make everything except main static. Do not maintain num_dfa_decls.
83 Do not maintain state_alts fields of various structures.
84 (process_decls): Don't validate condexp for dm_insn_reserv decls.
85 (add_arc): Remove state_alts argument. All callers updated.
86 (output_reserved_units_table): Emit #ifdef here...
87 (output_tables): ...not here. Don't generate state_alts tables.
88 (expand_automata): Don't generate attributes.
89 (write_automata): Don't generate state_alts functions.
91 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
92 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
93 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
94 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
95 (BYPASS_P_FUNC_NAME, output_state_alts_table)
96 (output_automata_list_state_alts_code, output_internal_state_alts_func)
97 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
98 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
100 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
101 * genattrtab.h: Delete file.
102 * Makefile.in (OBJS-common): Add insn-automata.o.
103 (insn-automata.o): New rule.
104 (simple_generated_c): Add insn-automata.c.
105 (build/genattrtab.o, build/genautomata.o): Update dependencies.
106 (genprogmd): Add automata.
107 (build/genattrtab): Needs no extra objects nor libraries.
108 (build/genautomata): Needs build/vec.o and -lm.
110 2006-01-22 Zack Weinberg <zackw@panix.com>
112 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
113 (output_dfa_max_issue_rate, locked_states_num): Delete.
114 (struct automaton): Add locked_states field.
115 (output_dead_lock_vect): Save number of locked states in
116 automaton->locked_states. If it is zero, don't print anything.
117 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
118 (output_internal_dead_lock_func): Only test the dead_lock_vect
119 for automata that have locked states.
120 (output_statistics): Always print the number of locked states for
121 each automaton. Calculate total number of locked states here.
122 (write_automata): Don't call output_dfa_max_issue_rate.
123 * genattrtab.c: Define length_unit_log as a const variable.
124 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
125 max_insn_queue_index const.
126 * final.c (length_unit_log): Declare const.
127 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
129 2006-01-22 Zack Weinberg <zackw@panix.com>
131 * genautomata.c: Include vec.h, not varray.h.
132 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
133 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
134 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
135 VEC_* macros operating on appropriately typed vectors, or to
136 malloced arrays when the size is known in advance. Const-ify
137 many char* variables and function arguments. No functional changes.
138 * Makefile.in (build/varray.o): Delete rule.
139 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
140 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
142 2006-01-22 Zack Weinberg <zackw@panix.com>
144 * gensupport.c: Define get_insn_name and record_insn_name here.
145 (read_md_rtx): Call record_insn_name as appropriate.
146 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
147 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
148 * genpreds.c, genrecog.c: Don't define get_insn_name nor
150 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
151 (BUILD_VARRAY): Delete.
152 (genprognormal): Rename genprogmd. Fold in all programs from
153 genprognoprint; also attrtab.
154 (build/genattrtab): Just mention genautomata.o and varray.o.
155 Reorganize a bit, add comments to make the categories clearer.
157 2006-01-22 Zack Weinberg <zackw@panix.com>
159 * genconditions.c (condition_table, add_condition): Delete.
160 (write_conditions): Don't emit n_insn_conditions nor
161 insn_elision_unavailable. Issue the gcc version #ifdef here,
162 inside the table, with no #else clause ...
163 (write_header): ...not here.
164 (write_writer): New function.
165 (main): Don't initialize condition_table. Use add_c_test.
167 * gensupport.c (init_md_reader_args_cb): Handle multiple input
168 files on the command line.
169 (maybe_eval_c_test): Don't check insn_elision_unavailable.
170 Return -1 if there is no entry in the table, don't abort.
171 (add_c_test, traverse_c_tests): New functions.
172 * gensupport.h (insn_elision_unavailable, insn_conditions)
173 (n_insn_conditions): Delete declarations.
174 (add_c_test, traverse_c_tests): Declare.
175 * read-rtl.c: Include gensupport.h.
176 (read_conditions): New function.
177 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
178 (read_rtx_1): If we get EOF when we were looking for an initial
179 open paren, return 0. Call read_conditions when appropriate.
180 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
181 dummy-conditions.o. Eliminate references to insn-conditions.o,
182 or change them to build/gencondmd.o, as appropriate. Remove
183 insn-constants.h from $(simple_generated_h) and insn-conditions.c
184 from $(simple_generated_c). For all files remaining in those
185 two lists, add insn-conditions.md to the generator command line.
186 Give insn-constants.h/s-constants their own rules. Add rules
187 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
188 (build/read-rtl.o): Depend on gensupport.h.
189 (genprognormal): Include preds.
190 (genprogearly): Rename genprognoprint; only difference is now that
191 they don't link with $(BUILD_PRINT).
192 * dummy-conditions.c: Delete.
194 2006-01-22 Zack Weinberg <zackw@panix.com>
196 * genextract.c: Don't include insn-config.h. Do include vec.h.
197 Declare vectors of int, char, and locstr.
198 (locstr): New typedef.
199 (struct extraction): Make all array fields into bare pointers.
200 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
201 (insn_code_number): Delete.
202 (accum_extract): New struct.
203 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
204 (gen_insn): Take insn_code_number as an argument. Use an
205 accum_extract structure instead of loading data directly into
206 a struct extraction, and having to know how big it might get.
207 (walk_rtx): Operate entirely on an accum_extract structure.
208 (print_path): Avoid unnecessary use of printf.
209 (print_header): New function, split out of main. Distinguish
210 more carefully between an unrecognizable insn and an insn that
211 has the code number of a define_expand.
212 (main): Pass insn_code_number to gen_insn. Call print_header
213 only after parsing. Avoid unnecessary use of printf.
214 * Makefile.in (build/vec.o): New rule.
215 (build/genextract): Depend on build/vec.o.
216 (build/genextract.o): Don't depend on insn-config.h.
218 2006-01-22 Zack Weinberg <zackw@panix.com>
220 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
221 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
222 practical. Eliminate per-generator-program link rules.
224 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
227 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
228 with a call expr to ...
229 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
231 2006-01-23 Richard Guenther <rguenther@suse.de>
233 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
234 before make_edge with conditional EDGE_TRUE_VALUE.
236 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
237 Jan Hubicka <jh@suse.cz>
238 Richard Guenther <rguenther@suse.de>
240 PR rtl-optimization/25654
241 * cfgexpand.c (aggregate_contains_union_type): New function.
242 (add_alias_set_conflicts): Call it. Make sure to add conflicts
243 for structure variables that contain a union type.
245 2006-01-23 Richard Sandiford <richard@codesourcery.com>
247 * gengtype.c (new_structure): Return the structure.
248 (create_option): Add an extra "next" argument.
249 (create_field): New function.
250 (adjust_field_rtx_def): Use create_option and create_field.
251 Remove a now-unnecessary call to find_structure.
252 (adjust_field_tree_def): Likewise.
253 (note_yacc_type): Remove an unnecessary call to find_structure.
254 * gengtype.h (new_structure): Return the structure.
255 (create_option): Add an extra argument.
256 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
257 (option): Adjust calls to create_option.
259 2006-01-22 David Edelsohn <edelsohn@gnu.org>
261 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
263 2006-01-22 Paul Brook <paul@codesourcery.com>
264 Peter Barada <peter@the-baradas.com>
266 * config/m68k/m68k.md: Add Coldfire FPU support.
267 Define FP mode macro and associated attributes.
268 Use it for float mode patterns.
269 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
270 (LIBCALL_VALUE): Use m68k_libcall_value.
271 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
272 (m68k_function_value): Ditto.
273 (emit_move_sequence): Ditto.
274 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
275 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
276 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
277 (MULTILIB_EXCEPTIONS): Ditto.
278 * config/m68k/m68k.opt: Add mcfv4e.
279 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
280 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
281 (m68k_output_function_prologue): Save ColdFire FPU registers.
282 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
283 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
284 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
285 ColdFire FPU registers.
286 (m68k_libcall_value, m68k_function_value): New functions.
287 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
288 (LIBCALL_VALUE): Use m68k_libcall_value.
289 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
290 (MASK_COLDFIRE): Add MASK_CFV4E.
291 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
292 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
293 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
294 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
295 (GO_IF_LEGITIMATE_ADDRESS): Use it.
296 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
297 * doc/invoke.tex: Document -mcfv4e on m68k.
299 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
301 * doc/contribute.texi: Change CVS to SVN and update the corresponding
304 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
307 * c-opts.c (c_common_handle_option): Don't include
308 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
309 * doc/invoke.texi (C++ Dialect Options): Document that
310 -Wnon-virtual-dtor is no longer included in -Wall.
312 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
314 * gcov.c (print_version), gcov-dump.c (print_version),
315 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
318 2005-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
320 * df-scan.c (problem_SCAN): Added NULL reset function.
321 (df_scan_reset_blocks): Added code to call reset block function
322 (df_bb_refs_delete) Fixed comment.
323 (df_insn_refs_delete): Made tolerant of deleting non existent info
324 for dataflow problems that need to be reset.
325 * df-core.c (df_set_blocks): Ditto.
326 * df.h (struct df_problem): Added reset_fun.
327 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
328 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
329 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
330 functions to clear out all references to def-use or use-def chains.
332 2006-01-21 Ben Elliston <bje@au.ibm.com>
334 * varasm.c (assemble_real): Initialise data array.
336 2006-01-20 Paul Brook <paul@codesourcery.com>
338 Merge from csl-arm-branch.
339 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
340 * config/arm/arm.md (movdi): Force operands[1] to a register
341 if we have a non-register source.
342 (*arm_movdi, *movdf_soft_insn): Require that one of the
343 operands be a register.
344 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
345 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
347 2006-01-20 DJ Delorie <dj@redhat.com>
349 * varasm.c (initialize_constant_valid_p): Allow pointers
350 initialized from integer constants of lesser precision.
351 (output_constant): Allow non-int-sized pointer modes to be
352 initialized from integer constants.
354 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
357 * cppdefault.h (struct default_include): Add multilib flag.
358 * cppdefault.c (cpp_include_defaults): Set it.
359 * c.opt (-imultilib): New option.
360 * c-opts.c (imultilib): New.
361 (c_common_handle_option): Handle -imultilib.
362 (c_common_post_options): Likewise.
363 * c-incpath.c (add_standard_paths, register_include_chains):
365 * c-incpath.h (register_include_chains): Add extra parameter.
366 * gcc.c (do_spec_1): Generate -imultilib option.
367 (The Specs Language): Update %I description.
368 (process_command): Update copyright notice.
369 * doc/cppopts.texi (-imultilib): Document.
370 * doc/invoke.texi (-imultilib): Include in option summary.
371 (%I): Update specs documentation.
373 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
375 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
377 2006-01-20 Richard Sandiford <richard@codesourcery.com>
379 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
382 2006-01-20 Richard Guenther <rguenther@suse.de>
383 Steven Bosscher <stevenb.gcc@gmail.com>
385 PR rtl-optimization/24626
386 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
387 EDGE_TRUE_VALUE if in RTL mode.
390 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
391 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
393 2006-01-20 Dirk Mueller <dmueller@suse.com>
396 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
397 instead of a special NOP marker.
398 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
400 * c-common.h (empty_body_warning): Add forward declaration.
401 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
402 Now uses IS_EMPTY_STMT() instead of special NOP markers.
404 2005-01-20 Paul Brook <paul@codesourcery.com>
406 * Makefile.in (lang_checks): Keep going if mkdir fails.
408 2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
410 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
411 be able to clean out basic block when not necessary.
412 (df_scan_free): Fixed to properly delete information if df is
413 unused before calling df_finish.
414 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
415 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
417 (df_bb_refs_delete): New function.
418 (df_refs_delete): Moved per block code to df_bb_refs_delete.
419 * df-core.c (df_set_blocks): Added code to properly clean out
420 unused blocks if they are not part of the blocks to consider.
421 Added additional null check.
422 (df_compact_blocks): Added basic block parameter to free_bb_fun to
423 be able to clean out basic block when not necessary
424 * df.h (df_free_bb_function): Ditto.
425 (df_bb_refs_delete): New function.
426 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
427 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
428 basic block parameter to be able to clean out basic block when not
430 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
431 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
432 Fixed to properly delete information if df is unused before
435 2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
437 PR rtl-optimization/25799
438 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
439 Corrected confluence operator to remove bits from op2 before oring
440 with op1 rather than removing bits from op1.
441 (df_ru_transfer_function): Corrected test on wrong bitmap which
442 caused infinite loop. Both of these problems were introduced in
443 the dataflow rewrite.
445 2006-01-19 DJ Delorie <dj@redhat.com>
447 * reload1.c (find_reload_regs): Note the details of reload
448 failures in the dump file.
449 (spill_failure): Likewise.
451 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
453 * loop-iv.c: Include df.h and hashtab.h.
454 (enum iv_grd_result): New enum.
455 (DF_REF_IV, DF_REF_IV_SET): New macros.
456 (struct biv_entry): New.
457 (df, bivs): New global variables.
458 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
459 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
461 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
462 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
463 analyzed_for_bivness_p, record_biv): New functions.
464 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
465 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
466 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
468 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
470 (iv_number_of_iterations): Use new interface to iv analysis.
471 * loop-unroll.c: Do not include varray.h.
472 (analyze_iv_to_split_insn): Use new interface to iv
474 * loop-unswitch.c (may_unswitch_on): Ditto.
475 * df.c (df_bitmaps_free): Only work for bbs for that structures are
477 (df_bb_modify): Realloc tables to the new index.
478 (df_find_use): New function.
479 * df.h (df_find_use): Declare.
480 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
482 * cfgloop.h (struct rtx_iv): Remove analysed field.
483 (iv_get_reaching_def): Removed.
484 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
485 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
486 (loop-iv.o): Add df.h and hashtab.h dependency.
487 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
489 2006-01-20 Alan Modra <amodra@bigpond.net.au>
491 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
493 (__floatundisf, __floatundidf): Likewise.
494 * libgcc2.h (IS_IBM_EXTENDED): Define.
496 2006-01-19 DJ Delorie <dj@redhat.com>
498 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
500 2006-01-19 Paul Brook <paul@codesourcery.com>
502 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
503 as nothrow when unwinding tables are disabled.
505 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
508 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
509 of bit-field" when in system header.
511 2006-01-19 DJ Delorie <dj@redhat.com>
513 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
514 the 16 bit shift limit of the m16c.
516 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
519 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
520 * config/i386/i386.c (output_set_got): Output the label if we have one
521 for the TARGET_DEEP_BRANCH_PREDICTION case.
523 2006-01-19 Jan Hubicka <jh@suse.cz>
524 H.J. Lu <hongjiu.lu@intel.com>
525 Evandro Menezes <evandro.menezes@amd.com>
527 * invoke.texi (generic): Document
529 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
530 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
531 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
532 (x86_use_incdec, x86_pad_returns): New variables
533 (TARGET_CPU_DEFAULT_generic): New constant
534 (TARGET_CPU_DEFAULT_NAMES): Add generic.
535 (enum processor_type): Add generic32 and generic64.
536 * i386.md (cpu attribute): Add generic32/generic64
537 (movhi splitter): Behave sanely when both partial_reg_dependency and
538 partial_reg_stall are set.
539 (K8 splitters): Enable for generic as well.
540 * predicates.md (incdec_operand): Use TARGET_INCDEC
541 (aligned_operand): Avoid memory mismatch stalls.
542 * athlon.md: Enable for generic64, new patterns for 128bit moves.
543 * ppro.md: Enable for generic32
544 * i386.c (generic64_cost, generic32_cost): New.
545 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
546 (x86_use_leave): Enable for generic64. (x86_use_sahf,
547 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
548 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
549 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
550 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
551 x86_partial_reg_dependency, x86_memory_mismatch_stall,
552 x86_accumulate_outgoing_args, x86_prologue_using_move,
553 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
554 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
556 (x86_use_incdec, x86_pad_returns): New.
557 (override_options): Add generic32 and generic64, translate "generic"
558 to generic32/generic64 and "i686" to "generic32", refuse
559 "generic32"/"generic64" as arch target.
560 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
561 (ix86_reorg): Honor PAD_RETURNS.
563 2006-01-19 Diego Novillo <dnovillo@redhat.com>
565 * tree-pretty-print.c (dump_generic_node): Handle
566 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
567 * cgraph.c (cgraph_expand_queue): Rename from
568 cgraph_analyze_queue. Update all users.
569 * cgraphunit.c (cgraph_assemble_pending_functions): Process
571 (cgraph_expand_all_functions): Likewise.
572 (cgraph_finalize_pending_functions): Remove. Update callers.
574 * tree.h (OMP_DIRECTIVE_P): Define.
575 (OMP_PARALLEL_FN): Define.
576 (OMP_PARALLEL_DATA_ARG): Define.
577 (OMP_SECTIONS_SECTIONS): Define.
578 * tree-pass.h (pass_expand_omp): Declare.
579 * omp-low.c (struct omp_region): Declare.
580 (struct omp_context): Remove fields 'parallel_type',
581 'parallel_start_ix' and 'parallel_start_additional_args'.
583 (struct omp_for_data): Rename from struct expand_omp_for_data.
584 (omp_regions): New static variable.
585 (root_omp_region): New static variable.
586 (find_omp_clause): Make static.
587 (is_in_combined_parallel_ctx): Remove.
588 (is_combined_parallel): New.
589 (extract_omp_for_data): Move earlier in the file.
590 (workshare_safe_to_combine_p): New.
591 (get_ws_args_for): New.
592 (determine_parallel_type): Move earlier in the file.
593 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
595 (omp_copy_decl): Likewise.
596 (create_omp_child_function): Likewise.
597 (lookup_omp_region): New.
598 (dump_omp_region): New.
599 (debug_omp_region): New.
600 (debug_all_omp_regions): New.
601 (new_omp_region): New.
602 (scan_omp_parallel): If parallel_nesting_level > 1, the
603 directive is nested within another parallel directive.
605 (scan_omp_for): Do not try to handle combined parallel+for
607 Remove FIXME comment.
608 (scan_omp_nested): Remove.
609 (scan_omp_1): Do not call scan_omp_nested when
610 parallel_nesting_level is > 1.
611 Do not change the DECL_CONTEXT of local variables found.
612 (lookup_decl_in_outer_ctx): New.
613 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
614 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
615 (lower_reduction_clauses): Rename from expand_reduction_clauses.
616 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
617 If CTX is nested, lookup VAR in the outer context when
618 building copy assignment.
619 (lower_send_clauses): Rename from expand_send_clauses.
620 If CTX is nested, lookup VAR in the outer context when
621 building copy assignments.
622 (lower_send_shared_vars): Rename from expand_send_shared_vars.
623 If CTX is nested, lookup VAR in the outer context when
624 building copy assignments.
625 (expand_parallel_call): Rename from build_parallel_call.
626 Handle combined parallel+workshare cases.
627 Re-implement to emit code into the CFG.
629 (expand_omp_parallel): Re-implement to emit code into the CFG.
630 Call move_sese_region_to_fn to outline the sub-graph
631 containing the parallel region.
632 (expand_omp_for_1): Remove.
633 (expand_omp_for_generic): Re-implement to emit code into the
635 (expand_omp_for_static_nochunk): Likewise.
636 (expand_omp_for_static_chunk): Likewise.
637 (expand_omp_for): Likewise.
638 (expand_omp_sections): Likewise.
639 (remove_exit_barriers): New.
640 (expand_omp_synch): New.
642 (build_omp_regions_1): New.
643 (build_omp_regions): New.
644 (execute_expand_omp): New.
645 (gate_expand_omp): New.
646 (pass_expand_omp): Define.
647 (lower_omp_sections): Rename from expand_omp_sections.
648 Set OMP_SECTIONS_SECTIONS.
649 (lower_omp_single_simple): Rename from expand_omp_single_simple.
650 (lower_omp_single_copy): Rename from expand_omp_single_copy.
651 (lower_omp_single): Rename from expand_omp_simple.
652 (lower_omp_master): Rename from expand_omp_master.
653 (lower_omp_ordered): Rename from expand_omp_ordered.
654 (lower_omp_critical): Rename from expand_omp_critical.
655 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
656 (lower_omp_for): Re-implement.
657 (lower_omp_parallel): Re-implement.
658 (lower_regimplify): Rename from expand_regimplify.
659 (lower_omp_1): Rename from expand_omp_1.
660 If there are syntax errors in the program, replace every
661 OpenMP directive with NOP.
662 Call lower_omp_* instead of expand_omp_*.
663 (lower_omp): Rename from expand_omp.
665 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
666 * tree-gimple.h (enum omp_parallel_type): Remove.
667 (gimple_boolify): Declare extern.
668 (find_omp_clause, determine_parallel_type): Remove.
670 * gimple-low.c (lower_omp_directive): New.
671 (lower_stmt): Call it.
672 (record_vars_into): Move from ...
673 (record_vars): ... here.
674 Call record_vars_into with current_function_decl.
676 * gimplify.c (struct gimplify_ctx): Remove fields
677 combined_pre_p and combined_ctxp. Update users.
678 (get_formal_tmp_var): Add documentation.
679 (gimple_boolify): Make extern.
680 (gimplify_expr_in_ctx): Remove. Update callers.
681 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
682 will always be a BIND_EXPR.
683 (gimplify_expr): Handle OMP_RETURN_EXPR.
684 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
685 (OMP_PARALLEL): Add 3 operands.
686 (OMP_SECTIONS): Add 1 operand.
687 (OMP_RETURN_EXPR): Define.
689 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
690 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
691 * tree-iterator.c (alloc_stmt_list): Assert that we are not
692 creating a circular free list.
693 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
695 * tree-flow.h (move_sese_region_to_fn): Declare.
696 (record_vars_into): Declare.
697 * tree-cfg.c (make_omp_sections_edges): New.
698 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
699 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
700 OMP_SECTIONS and OMP_SECTION.
701 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
702 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
703 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
704 (gather_blocks_in_sese_region): New.
705 (struct move_stmt_d): Declare.
707 (move_block_to_fn): New.
708 (move_sese_region_to_fn): New.
710 * passes.c (init_optimization_passes): Schedule
711 pass_expand_omp after pass_init_datastructures.
713 * tree-ssa-operands.c (get_expr_operands): Handle
714 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
715 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
717 2006-01-19 Jeff Law <law@redhat.com>
719 * tree-vrp.c (extract_range_from_assert): Refine the result range
720 if the variable referenced by the ASSERT_EXPR has a range and
721 either the tentative result range or the previous range is a
724 2006-01-19 Richard Sandiford <richard@codesourcery.com>
726 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
728 2006-01-19 Jan Hubicka <jh@suse.cz>
730 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
732 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
734 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
735 (expand_compound_operation, expand_field_assignment): Fail if the
736 bit lengths of an extract operation are out of range.
737 (make_extraction): Compute wanted_inner_mode based on the position
738 and length of the extraction. Make it extraction_mode for non-constant
739 positions, and do not modify offset in that case. When generating a
740 new MEM, use a mode that can hold the extraction while keeping correct
741 alignment. Remove code that supported MEMs wrapped by USEs.
742 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
744 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
746 * config/s390/s390.md ("Y", "y"): New mode attribute.
747 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
748 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
749 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
750 "*addsi3_imm_cc", "*addsi3_carry1_cc",
751 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
752 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
753 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
754 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
755 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
756 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
757 "addsi3", "subsi3"): Insn patterns removed.
758 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
759 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
760 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
761 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
762 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
763 "*sub<mode>3_cconly2"): New insn patterns.
764 ("addsi3", "subsi3"): New expanders.
766 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
768 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
769 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
770 existing STMT_VINFO_VECTYPE if available.
771 (vect_mark_relevant): Add special handling for stmts that are
772 marked as STMT_VINFO_IN_PATTERN_P.
773 (vect_analyze_loop): Call vect_pattern_recog.
774 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
775 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
777 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
778 (vect_recog_func_ptr): New function-pointer type.
779 * tree-vect-patterns.c: New file.
780 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
781 (vect_recog_dot_prod_pattern, vect_pattern_recog):
782 (vect_pattern_recog_1): New functions.
783 (vect_pattern_recog_funcs): New array of function pointers.
785 * tree-vectorizer.h (ternary_op): New enum value.
786 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
787 declaration. Revised documentation. Removed redundant dump prints.
788 Removed redundant argument. Added support for reduction patterns.
789 (vectorizable_reduction): Added support for reduction patterns.
790 (vect_transform_stmt): Added support for patterns.
792 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
793 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
794 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
795 (expand_widen_pattern_expr): New function.
796 (init_optabs): Initialize new optabs udot_prod_optab,
798 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
799 (sdot_prod_optab, udot_prod_optab): Define new optabs.
800 (expand_widen_pattern_expr): New function declaration.
801 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
803 * tree-inline.c (estimate_num_insns_1): Added cases for new
804 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
805 * tree-pretty-print.c (dump_generic_node): Likewise.
807 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
808 * tree-ssa-operands.c (get_expr_operands): Added case for
810 * tree-vect-patterns.c (widened_name_p): New function.
811 (vect_recog_dot_prod_pattern): Added function implementation.
812 * tree-vect-transform.c (get_initial_def_for_reduction): Added
813 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
814 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
815 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
817 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
818 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
819 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
820 (init_optabs): Initialize new optabs widen_ssum_optab,
822 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
823 (widen_ssum_optab, widen_usum_optab): Define new optabs.
824 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
825 use instead of type of def.
826 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
827 function implementation.
828 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
829 widen_ssumv8hi): New.
831 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
834 2006-01-19 Richard Sandiford <richard@codesourcery.com>
837 * c-decl.c (add_flexible_array_elts_to_size): New function.
838 (finish_decl): Use it.
840 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
842 * diagnostic.h: Include options.h.
843 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
844 dependancies for diagnostic.h.
845 * Makefile.in (DIAGNOSTIC_H): Add options.h.
847 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
849 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
850 (ssa_ro_call_cache_valid): Ditto.
851 * tree-ssa-alias.c (sort_tags_by_id): New function.
852 (init_transitive_clobber_worklist): Ditto.
853 (add_to_worklist): Ditto.
854 (mark_aliases_call_clobbered): Ditto.
855 (compute_tag_properties): Ditto.
856 (set_initial_properties): Ditto.
857 (compute_call_clobbered): Ditto.
858 (compute_may_aliases): Call compute_call_clobbered and grouping.
859 (compute_flow_sensitive_aliasing): Remove clobbering related code.
860 (compute_flow_insensitive_aliasing): Grouping now happens in our
862 (setup_pointers_and_addressables): Remove clobbering related code.
863 (add_may_alias): Ditto.
864 (replace_may_alias): Ditto.
865 (get_nmt_for): Ditto.
867 (is_escape_site): Return an escape_type enumeration.
868 * tree-flow-inline.h (is_call_clobbered): Global var does not
869 imply call clobbered.
870 (mark_call_clobbered): Take a reason for marking this. Remove
871 marking of globalness, and cache invalidation.
872 (clear_call_clobbered): Remove cache invalidation code.
873 * tree-dfa.c (dump_variable): If details is on, dump the reason
875 * tree-outof-ssa.c (create_temp): Copy escape mask from original
877 * tree-flow.h (struct ptr_info_def): Add escape mask member.
878 (struct var_ann_d): Ditto.
879 (enum escape_type): New.
880 (mark_call_clobbered): Adjust prototype.
881 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
882 are never call clobbered.
883 Record reasons for escaping.
884 * tree-ssa-structalias.h (is_escape_site): Update prototype.
885 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
886 (ssa_ro_call_cache_valid): Ditto.
887 (clobbered_v_may_defs): Ditto.
888 (clobbered_vuses): Ditto.
889 (ro_call_vuses): Ditto.
890 (clobber_stats): New.
891 (init_ssa_operands): Zero out clobber stats.
892 (fini_ssa_operands): Print out clobber stats.
893 (get_call_expr_operands): Pass callee fndecl to
895 (add_call_clobber_ops): Remove use of cache.
896 Add use of PURE_CONST information.
897 (add_call_read_ops): Remove use of cache.
898 Add use of static not_read information.
900 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
902 Introduce TLS descriptors for i386 and x86_64.
903 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
904 (TARGET_ANY_GNU_TLS): New macro.
905 (enum tls_dialect): Added TLS_DIALECT_GNU2.
906 (struct machine_function): Add tls_descriptor_call_expanded_p.
907 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
908 (ix86_current_function_calls_tls_descriptor): Likewise.
909 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
910 (override_options): Introduce gnu2 tls dialect.
911 (ix86_frame_pointer_required): Functions containing TLSCALLs are
913 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
915 (legitimize_tls_address): Adjust logic for GNU2 TLS.
916 (ix86_init_machine_status): Initialize new field.
917 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
918 (ix86_tls_module_base): New.
919 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
920 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
921 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
922 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
923 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
924 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
925 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
926 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
927 * config/i386/predicates.md (tls_modbase_operand): New.
928 (tp_or_register_operand): New.
930 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
932 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
933 (look_for_address_of): Ditto.
934 (ipa_init): Walk the function decls.
935 (static_execute): Don't set readonly on FUNCTION_DECL's.
937 2006-01-18 Roger Sayle <roger@eyesopen.com>
939 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
940 for shifts where the source and destination registers are different.
942 2006-01-18 Paul Brook <paul@codesourcery.com>
944 Merge from csl-arm-branch.
945 2005-03-14 Julian Brown <julian@codesourcery.com>
946 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
947 (aeabi_llsl): Likewise.
949 (aeabi_lasr): Likewise.
951 (aeabi_llsr): Likewise.
952 2005-03-10 Julian Brown <julian@codesourcery.com>
953 * config.gcc: Disable shared libgcc for SymbianOS.
954 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
956 2006-01-18 DJ Delorie <dj@redhat.com>
958 * c-pragma.c (handle_pragma_diagnostic): New.
959 (init_pragma): Register it.
960 * doc/extend.texi: Document it.
962 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
963 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
964 (diagnostic_context): Add classify_diagnostic[].
965 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
966 as errors if they're overridden to DK_WARNING.
967 (diagnostic_initialize): Initialize classify_diagnostic[].
968 (diagnostic_set_kind_override): New.
969 (diagnostic_report_diagnostic): Check for kind changes.
970 * opts.c (common_handle_option): Take lang_mask. Update callers.
972 * common.opt (Werror=): New.
973 * doc/invoke.texi: Document -Werror=*
975 2006-01-18 Jeff Law <law@redhat.com>
977 * tree-vrp.c (test_for_singularity): Correct test for new
978 min limit. Use operand_equal_p rather than pointer equality
979 for testing if new min/max values are equal.
981 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
982 using range information until after propagation and folding.
984 2006-01-18 Richard Henderson <rth@redhat.com>
985 Aldy Hernandez <aldyh@redhat.com>
986 Jakub Jelinek <jakub@redhat.com>
987 Diego Novillo <dnovillo@redhat.com>
989 * omp-low.c: New file.
992 2006-01-18 Richard Henderson <rth@redhat.com>
993 Jakub Jelinek <jakub@redhat.com>
994 Diego Novillo <dnovillo@redhat.com>
996 * doc/invoke.texi: Document -fopenmp.
997 * tree-dump.h (debug_function): Declare.
998 * hooks.c (hook_bool_tree_bool_false): New function.
999 (hook_tree_tree_null): Remove.
1000 (hook_tree_tree_tree_null): New.
1001 * hooks.h: Update to match.
1002 * tree-pretty-print.c (debug_tree_chain): New.
1003 (print_generic_expr): Handle TDF_CHAIN.
1004 (dump_generic_node): Handle BLOCK.
1005 Do not abort with incomplete SWITCH_EXPRs.
1006 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1007 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1008 print space after directive name.
1009 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1010 Handle OMP_MASTER and OMP_ORDERED.
1011 Handle printing of OMP_BODY just in one place, goto
1012 dump_omp_body in the rest of OMP_* nodes that have
1014 Don't handle clause nodes here. Update omp statements to
1015 use dump_omp_clauses.
1016 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1017 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1018 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1019 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1020 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1021 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1022 Adjust output for GOMP_PARALLEL.
1023 (dump_omp_clauses): New.
1024 (print_declaration): Dump DECL_VALUE_EXPR.
1025 (op_symbol_1): Split out of op_symbol.
1026 (dumping_stmts): Remove. Update all users.
1027 * cgraph.c (cgraph_analyze_queue): New.
1028 (cgraph_add_new_function): New.
1029 * cgraph.h (cgraph_analyze_queue): Declare.
1030 (cgraph_add_new_function): Declare.
1031 (cgraph_lower_function): Remove.
1032 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1033 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1034 and TYPE_P nodes in its default clause.
1035 (empty_body_p): New.
1036 (tree_range_check_failed): New.
1038 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1039 OMP_CLAUSE_REDUCTION_MERGE,
1040 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1041 OMP_CLAUSE_PRIVATE_DEBUG,
1042 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1043 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1044 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1045 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1046 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1047 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1048 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1049 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1050 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1051 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1052 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1053 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1054 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1055 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1056 (TREE_RANGE_CHECK): New.
1057 (empty_body_p): Declare.
1058 (enum omp_clause_default_kind): New.
1059 (build_string_literal): Declare.
1060 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1061 (build5_stat, build5): Declare.
1062 * tree-pass.h (TDF_CHAIN): Define.
1063 * tree-pass.h (PROP_gimple_lomp): Define.
1064 (pass_lower_omp): Declare.
1065 * diagnostic.h (debug_tree_chain): Declare.
1066 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1068 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1069 * builtins.c (build_string_literal): Make extern.
1070 * gcc.c (include_spec_function): New.
1071 (static_spec_functions): Add it.
1072 (main): Move load of libgomp.spec ...
1073 (LINK_COMMAND_SPEC): ... here.
1074 (link_gomp_spec): New.
1075 (static_specs): Include it.
1076 (LINK_COMMAND_SPEC): Add link_gomp.
1077 (GOMP_SELF_SPECS): New.
1078 (driver_self_specs): Include it.
1079 (switch_matches): Don't mark inline.
1080 (main): Load libgomp.spec.
1081 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1082 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1083 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1084 * tree-gimple.h (enum omp_parallel): Declare.
1085 (determine_parallel_type): Declare.
1086 (omp_firstprivatize_variable): Declare.
1087 (omp_reduction_init): Declare.
1088 (diagnose_omp_structured_block_errors): Declare.
1089 (struct walk_stmt_info): Add want_return_expr.
1090 (struct walk_stmt_info): Add want_bind_expr, want_locations.
1091 (find_omp_clause): Declare.
1092 (insert_field_into_struct): Declare.
1093 (struct walk_stmt_info): Move from tree-nested.c
1094 (walk_stmts): Declare.
1095 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1097 * cgraphunit.c (cgraph_lower_function): Make static.
1098 (cgraph_finalize_pending_functions): New.
1099 (cgraph_finalize_function): Call it.
1100 (cgraph_finalize_compilation_unit): Likewise.
1101 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1102 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1103 (BT_FN_UINT_UINT): New.
1104 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1105 DEF_FUNCTION_TYPE_VAR_4): Document.
1106 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1107 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1108 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1109 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1110 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1111 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1112 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1113 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1114 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1115 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1116 into separate files.
1117 (DEF_GOMP_BUILTIN): New.
1118 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1119 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1120 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1121 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1122 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1123 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1124 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1125 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1126 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1127 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1128 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1129 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1130 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1131 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1132 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1133 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1134 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1135 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1136 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1137 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1138 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1139 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1140 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1141 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1142 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1143 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1144 * sync-builtins.def: New file, moved from builtins.def.
1145 * omp-builtins.def: New file, moved from builtins.def.
1146 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1147 * gimple-low.c (lower_function_body): Clear data.
1148 (lower_stmt): Do not handle COMPOUND_EXPR.
1149 Remove call to print_node_brief.
1150 * c-tree.h (c_finish_omp_clauses): New prototype.
1151 (C_DECL_THREADPRIVATE_P): Define.
1152 (lookup_name_no_remap, c_omp_remap_private): Remove
1153 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1154 (check_for_loop_decls): Update decl.
1155 (lookup_name_no_remap, c_omp_remap_private): Declare.
1156 (build_indirect_ref, build_modify_expr, pushdecl,
1157 pushdecl_top_level): Move to c-common.h.
1158 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1159 before the switch, but just in the 2 places that need it.
1160 * c-decl.c (diagnose_mismatched_decls): Do not check for
1161 mismatched thread-local attributes when OLDDECL is marked
1162 threadprivate and NEWDECL has no thread-local attributes.
1163 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1164 (c_gimple_diagnostics_recursively): Rename from
1165 c_warn_unused_result_recursively. Invoke
1166 diagnose_omp_structured_block_errors.
1167 (check_for_loop_decls): Return a singular decl found.
1168 * langhooks.c (lhd_omp_predetermined_sharing): Return
1169 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1170 (lhd_omp_firstprivatize_type_sizes): New.
1171 (lhd_omp_assignment): New.
1172 (lhd_omp_predetermined_sharing): New.
1173 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1174 (struct lang_hooks_for_types): Add
1175 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1176 omp_predetermined_sharing, omp_disregard_value_expr,
1177 omp_private_debug_clause, omp_clause_default_ctor,
1178 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1179 (c_finish_omp_clauses): New.
1180 (c_finish_bc_stmt): Diagnose break within omp for.
1181 (c_begin_omp_parallel, c_finish_omp_parallel): New.
1182 (build_unary_op): Return error_mark after reporting
1184 (build_modify_expr): Likewise.
1185 * gimplify.c: Include optabs.h and pointer-set.h.
1186 (enum gimplify_omp_var_data): Declare.
1187 (struct gimplify_omp_ctx): Declare.
1188 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1190 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1191 (push_gimplify_context, pop_gimplify_context): Allow nesting.
1192 (splay_tree_compare_decl_uid): New.
1193 (new_omp_context): New.
1194 (delete_omp_context): New.
1195 (gimple_add_tmp_var): Call omp_add_variable.
1196 (gimplify_bind_expr): Likewise.
1197 (gimplify_var_or_parm_decl): If omp_notice_variable returned
1198 true, disregard DECL_VALUE_EXPR on the decl if any.
1199 (gimplify_expr_in_ctx): New.
1200 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1201 omp_add_variable, omp_notice_variable, omp_is_private
1202 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1203 gimplify_adjust_omp_clauses, gimplify_omp_parallel
1204 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1205 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1206 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1207 gimplify_omp_atomic): New.
1208 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1209 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1210 OMP_CRITICAL and OMP_ATOMIC.
1211 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1212 * c-pragma.h (enum pragma_kind): Add
1213 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1214 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1215 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1216 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1217 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1218 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1219 PRAGMA_OMP_THREADPRIVATE.
1220 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1221 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1222 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1223 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1224 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1225 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1226 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1227 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1228 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1229 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1230 * tree-ssa-dce.c (find_control_dependence): Do not assume that
1231 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1232 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1234 (struct nesting_info): Add field_map,
1235 suppress_expansion, debug_var_chain.
1236 (create_nesting_tree): Initialize them.
1237 (lookup_field_for_decl): Use field_map.
1238 (get_nonlocal_debug_decl, get_local_debug_decl): New.
1239 (convert_local_omp_clauses): New.
1240 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1241 (walk_body): Split out of walk_function.
1242 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1243 (convert_nonlocal_reference): Handle omp statements.
1244 (convert_local_reference): Likewise.
1245 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1246 (unnest_nesting_tree): New.
1247 (lower_nested_functions): Call it.
1248 (insert_field_into_struct): Make extern.
1249 (struct walk_stmt_info): Move to tree-gimple.h.
1250 (walk_stmts): Make extern.
1251 * omp-builtins.def: New file.
1252 * tree-iterator.c (expr_only): Clarify comment.
1253 * c-common.h (pushdecl_top_level, pushdecl,
1254 build_modify_expr, build_indirect_ref,
1255 c_finish_omp_master, c_finish_omp_critical,
1256 c_finish_omp_ordered, c_finish_omp_barrier,
1257 c_finish_omp_atomic, c_finish_omp_flush,
1258 c_finish_omp_for, c_split_parallel_clauses,
1259 omp_clause_default_kind, c_omp_sharing_predetermined,
1260 c_omp_remap_decl): Declare.
1261 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1262 (OBJS-common): Add omp-low.o.
1263 (c-omp.o, omp-low.o): Add.
1264 (gimplify.o): Add dependency on $(OPTABS_H).
1265 (GTFILES): Add omp-low.c.
1266 (gt-stringpool.h): Add.
1267 * tree-cfg.c (set_bb_for_stmt): Do not update the
1268 block-to-labels map if we are currently expanding to RTL.
1269 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1271 Handle IDENTIFIER_NODE.
1272 (tree_verify_flow_info): Do not ICE when emitting error
1273 messages about invalid labels.
1274 (dump_function_to_file): Reset CFUN before emitting the body
1276 (debug_function): New.
1277 * passes.c (init_optimization_passes): Schedule
1279 * langhooks-def.h (lhd_omp_predetermined_sharing,
1280 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1282 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1283 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1284 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1285 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1286 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1287 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1288 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1289 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1290 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1291 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1292 (LANG_HOOK_DECLS): Use them.
1294 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1295 Richard Henderson <rth@redhat.com>
1296 Jakub Jelinek <jakub@redhat.com>
1297 Diego Novillo <dnovillo@redhat.com>
1299 * c-parser.c (pragma_omp_clause): Define.
1300 (c_parser_declaration_or_fndef): Document OpenMP syntax.
1301 (c_parser_compound_statement): Likewise.
1302 (c_parser_statement): Likewise.
1303 (c_parser_pragma): Handle omp pragmas.
1304 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1305 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1306 (c_parser_omp_clause_name, check_no_duplicate_clause,
1307 c_parser_omp_variable_list,
1308 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1309 c_parser_omp_clause_copyprivate,
1310 c_parser_omp_clause_default,
1311 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1312 c_parser_omp_clause_lastprivate,
1313 c_parser_omp_clause_nowait,
1314 c_parser_omp_clause_num_threads,
1315 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1316 c_parser_omp_clause_reduction,
1317 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1318 c_parser_omp_all_clauses, c_parser_omp_structured_block,
1319 c_parser_omp_atomic, c_parser_omp_barrier,
1320 c_parser_omp_critical, c_parser_omp_flush,
1321 c_parser_omp_for_loop, c_parser_omp_for,
1322 c_parser_omp_master, c_parser_omp_ordered,
1323 c_parser_omp_sections_scope, c_parser_omp_sections,
1324 c_parser_omp_parallel, c_parser_omp_single,
1325 c_parser_omp_construct, c_parser_omp_threadprivate): New.
1326 * c-pragma.c (init_pragma): Do omp pragma registration here.
1327 * c.opt (fopenmp): New flag.
1329 2006-01-18 Eric Christopher <echristo@apple.com>
1331 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1332 * config/darwin.h (GOMP_SELF_SPECS): Define.
1334 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1336 * rtl.h: Remove the prototype for reg_alloc.
1338 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1341 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1342 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1343 sjlj and dwarf2 exception handling.
1344 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1345 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1346 * pa/pa.c (function_value): Treat complex and vector types as
1348 (function_arg): Likewise. Only pass scalar floats in the floating
1349 point argument registers.
1350 * pa/t-slibgcc-dwarf-ver: New file.
1351 * pa/t-slibgcc-sjlj-ver: New file.
1352 * pa/t-slibgcc-elf-ver: Delete file.
1354 2006-01-19 Alan Modra <amodra@bigpond.net.au>
1356 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1357 unlikely_test_section_p test.
1359 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1361 * mode-switching.c (optimize_mode_switching): Make it static.
1362 * basic-block.h: Remove the prototype for
1363 optimize_mode_switching.
1365 * modulo-sched.c (sms_schedule): Make it static.
1366 * rtl.h: Remove the prototype for sms_schedule.
1368 * postreload-gcse.c (gcse_after_reload_main): Make it static.
1369 * rtl.h: Remove the prototype for gcse_after_reload_main.
1371 * reg-stack.c (reg_to_stack): Make it static.
1372 * rtl.h: Remove the prototype for reg_to_stack.
1374 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1376 * rtl.h: Remove the prototypes for regrename_optimize and
1377 copyprop_hardreg_forward.
1379 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
1381 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1382 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
1383 Test against the appropriate null constant for the mode.
1384 If 'fixup_overlap' is true, swap the operands if they overlap.
1385 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1386 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1387 alpha_split_tmode_pair and adjust for above change.
1388 * config/alpha/alpha.md (movtf_internal): Adjust call to
1389 alpha_split_tfmode_pair and rely on it to swap the operands.
1390 (movti_internal): New insn and post-reload splitter.
1391 (movti): New expander.
1393 2006-01-18 Philippe De Muyter <phdm@macqel.be>
1395 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1398 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1400 * rtlanal.c (global_reg_mentioned_p_1,
1401 global_reg_mentioned_p): Remove.
1402 * rtl.h: Remove the prototype for global_reg_mentioned_p.
1404 * flow.c (initialize_uninitialized_subregs): Make it static.
1405 * rtl.h: Remove the prototype for
1406 initialize_uninitialized_subregs.
1408 * function.c (instantiate_virtual_regs): Make it static.
1409 * function.h: Remove the prototype for
1410 instantiate_virtual_regs.
1412 * regmove.c (regmove_optimize, combine_stack_adjustments):
1414 * rtl.h: Remove the prototypes for regmove_optimize and
1415 combine_stack_adjustments.
1417 2006-01-17 Roger Sayle <roger@eyesopen.com>
1419 * config/i386/i386.c (COSTS_N_BYTES): New macro.
1420 (size_cost): Encode costs in bytes so that a reg-reg addition is
1421 equivalent to COSTS_N_INSNS(1).
1422 (override_options): Use the size_cost.branch_cost as the default
1423 ix86_branch_cost when optimizing for size.
1425 2006-01-18 Ben Elliston <bje@au.ibm.com>
1427 * Makefile.in (D32PBIT_FUNCS): New.
1428 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
1429 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
1430 D64PBIT_FUNCS and D128PBIT_FUNCS.
1431 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
1432 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
1434 (decnumber_dep): Define.
1435 * doc/libgcc.texi (Decimal float library routines): New node.
1436 * config/dfp-bit.h, config/dfp-bit.c: New files.
1438 2006-01-18 Ben Elliston <bje@au.ibm.com>
1440 * expr.c (emit_move_change_mode): Always adjust addresses, not
1441 just during reload. Copy replacements only during reload.
1442 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
1443 emit_move_via_integer.
1445 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
1447 * Makefile.in (check-%, check-consistency): Use $${srcdir}
1448 instead of $(srcdir) and ${srcdir}.
1450 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
1454 * arm.h (struct machine_function): Add pic_reg.
1455 * arm.c (arm_pic_register): Make unsigned.
1456 (arm_override_options): Only set arm_pic_register if
1457 TARGET_SINGLE_PIC_BASE.
1458 (use_return_insn): Only test for a pic register if it is fixed.
1459 (arm_compute_save_reg0_reg12_mask): Likewise.
1460 (thumb_compute_save_reg_mask): Likewise.
1461 (legitimate_pic_operand): Factor out some known invariants.
1462 (legitimize_pic_address): If we don't have a fixed pic register,
1463 then set up a pseudo in the function entry sequence. Handle the
1464 pic base being in a pseudo.
1465 (arm_load_pic_register): Handle the pic register being in a pseudo.
1466 (arm_expand_prologue): Only set up the pic register if it is fixed.
1467 (thumb_expand_prologue): Likewise.
1468 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
1469 (pic_load_addr_based_insn): Likewise.
1470 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
1473 2006-01-18 Ben Elliston <bje@au.ibm.com>
1475 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
1476 decimal float modes for all floating point registers.
1478 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
1479 match_code "mem" with match_test "macho_lo_sum_memory_operand".
1481 2006-01-17 Jakub Jelinek <jakub@redhat.com>
1484 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
1485 even when the pointer is not NULL.
1487 2006-01-16 Ian Lance Taylor <ian@airs.com>
1489 * common.opt (ftoplevel-reorder): New option.
1490 * cgraph.c (cgraph_asm_nodes): New global variable.
1491 (cgraph_asm_last_node): New static variable.
1492 (cgraph_order): New global variable.
1493 (cgraph_create_node): Set new order field.
1494 (cgraph_varpool_node): Likewise.
1495 (decide_is_variable_needed): Return true if not
1496 flag_toplevel_reorder.
1497 (cgraph_add_asm_node): New function.
1498 * cgraph.h (struct cgraph_node): Add order field.
1499 (struct cgraph_varpool_node): Add order field.
1500 (struct cgraph_asm_node): Define.
1501 (cgraph_asm_nodes, cgraph_order): Declare.
1502 (cgraph_add_asm_node): Declare.
1503 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
1505 (cgraph_varpool_assemble_pending_decls): Call it.
1506 (cgraph_output_pending_asms): New static function.
1507 (cgraph_finalize_compilation_unit): Call it.
1508 (struct cgraph_order_sort): Define.
1509 (cgraph_output_in_order): New static function.
1510 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
1511 !flag_toplevel_reorder case.
1512 * c-parser.c: Include "cgraph.h".
1513 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
1515 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
1516 than -fno-unit-at-a-time.
1517 * doc/invoke.texi (Option Summary): Mention
1518 -fno-toplevel-reorder.
1519 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
1520 -funit-at-a-time documentation.
1522 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
1523 Kazu Hirata <kazu@codesourcery.com>
1525 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
1527 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
1529 * Makefile.in (FUNCTION_H): New. Use it instead of
1530 function.h throughout the file.
1531 * function.h: Include tree.h.
1533 2006-01-17 Ben Elliston <bje@au.ibm.com>
1535 * recog.c: Separate some functions with whitespace.
1537 2006-01-16 Richard Henderson <rth@redhat.com>
1539 Merge from gomp branch:
1540 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
1541 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
1542 and rename from struct inline_data. Rename callee* to dst*;
1543 caller* to src*; add copy_decl hook, transform_call_graph_edges,
1544 transform_new_cfg, transform_return_to_modify, and
1545 transform_lang_insert_block flags; remove cloning_p, versioning_p,
1547 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
1548 (copy_decl_for_dup): Remove.
1549 * tree-inline.c (struct inline_data): Move to header.
1550 (insert_decl_map): Export.
1551 (remap_decl): Update for member name changes. Use copy_decl hook.
1552 Allow for replacement to be a non-decl. Remove dead code.
1553 (remap_type_1): Check for existing mapping.
1554 (remap_type): Export.
1555 (remap_decls): Update for member name changes.
1556 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
1557 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
1558 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
1559 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
1560 (tree_function_versioning, build_duplicate_type): Likewise.
1561 (copy_body_r): Likewise. Export.
1562 (copy_decl_for_dup): Split into ...
1563 (copy_decl_for_dup_finish, copy_decl_to_var,
1564 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
1565 (replace_ref_tree, inlining_p): Remove.
1567 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1569 * ifcvt.c (if_convert): Make it static.
1570 * rtl.h: Remove the prototype for if_convert.
1572 * local-alloc.c (local_alloc): Make it static.
1573 * rtl.h: Remove the prototype for local_alloc.
1575 * loop.c (loop_optimize): Make it static.
1576 * cfgloop.h: Remove the prototype for loop_optimize.
1579 2006-01-16 DJ Delorie <dj@redhat.com>
1581 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
1584 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1586 * pa.md: Disparage copies between general and floating-point registers
1587 in 32-bit move patterns.
1589 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
1592 * Makefile.in (check-%): Depend on site.exp instead of
1593 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
1596 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1598 * global.c (global_alloc): Make it static.
1599 * rtl.h: Remove the prototype for global_alloc.
1601 2006-01-16 Richard Guenther <rguenther@suse.de>
1603 * tree-ssa-alias.c (struct used_part): Add write_only field.
1604 (get_or_create_used_part_for): Initialize it to true.
1605 (create_overlap_variables_for): Don't create structure variables
1606 for structures that only are written to.
1607 (find_used_portions): Handle MODIFY_EXPR to track whether a
1608 structure is only written to.
1610 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1612 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
1614 * basic-block.h: Remove the prototype for
1615 partition_hot_cold_basic_blocks.
1617 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
1619 * cppspec.c (lang_specific_spec_functions): remove
1620 * gcc.c (lookup_spec_function): use static_spec_functions directelly
1621 * gcc.h (lang_specific_spec_functions): remove
1622 * gccspec.c (lang_specific_spec_functions): remove
1624 2005-01-16 Paolo Bonzini <bonzini@gnu.org>
1626 * combine.c (record_value_for_reg): Invalidate registers
1628 (record_dead_and_set_regs_1): Likewise, by passing them to
1629 record_value_for_reg.
1630 (record_dead_and_set_regs): Invalidate stores made by a
1631 call. We do not combine across a call, but we still
1632 relied on equivalences.
1634 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1636 * tree-vrp.c (extract_range_from_binary_expr): Cope with
1637 vrp_int_const_binop returning non-constant nodes.
1639 2006-01-16 Paul Brook <paul@codesourcery.com>
1641 * config/m68k/m68k.c (output_move_const_into_data_reg):
1642 Output correct mnemonic for mvz and mvs.
1644 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
1646 * rtl-factoring.c: Add sequence abstraction algorithm.
1647 * cfgcleanup.c (outgoing_edges_match): Extra checks.
1648 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
1650 (block_has_preserve_label): New function.
1651 * common.opt: Register new pass.
1652 * Makefile.in: Ditto.
1654 * timevar.def: Ditto.
1655 * tree-pass.h: Ditto.
1656 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
1657 * rtl.h (make_jump_insn_raw): Add forward decl.
1658 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
1660 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1661 Roger Sayle <roger@eyesopen.com>
1663 * fold-const.c (fold_minmax): New static function.
1664 (fold_binary) <MIN_EXPR>: Call it.
1665 <MAX_EXPR>: Likewise.
1666 * stor-layout.c (place_field): Use DECL_SIZE consistently
1667 in the computation of the new record size.
1669 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1671 * cse.c (cse_condition_code_reg): Make it static.
1672 * rtl.h: Remove the prototype for cse_condition_code_reg.
1674 * combine.c (combine_instructions): Make it static.
1675 * rtl.h: Remove the prototype for combine_instructions.
1677 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1680 * tree.c (get_file_function_name_long): Concatenate the first global
1681 object name with a string derived from the input filename of the object
1684 2006-01-16 Ben Elliston <bje@au.ibm.com>
1686 * config/i386/winnt-stubs.c: Update FSF address.
1687 * config/xtensa/ieee754-df.S: Ditto.
1688 * config/xtensa/ieee754-sf.S: Ditto.
1690 2006-01-14 Ian Lance Taylor <ian@airs.com>
1692 * ifcvt.c (noce_init_if_info): New static function, broken out of
1693 noce_process_if_block.
1694 (noce_process_if_block): Call noce_init_if_info.
1695 (check_cond_move_block): New static function.
1696 (cond_move_process_if_block): New static function.
1697 (process_if_block): Call cond_move_process_if_block.
1699 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
1701 * cselib.c (hash_table): Rename to cselib_hash_table.
1702 (cselib_clear_table, discard_useless_values,
1703 remove_useless_values, cselib_lookup_mem, cselib_lookup,
1704 cselib_init, cselib_finish): Adjust uses of hash_table.
1706 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
1708 PR tree-optimization/25485
1709 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
1710 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
1711 is known to be false and true, respectively.
1713 2006-01-14 Richard Guenther <rguenther@suse.de>
1715 PR tree-optimization/22548
1716 PR tree-optimization/22555
1717 PR tree-optimization/22501
1718 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
1719 * params.def (salias-max-array-elements): New parameter.
1720 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
1721 * doc/invoke.texi (salias-max-array-elements): Document.
1722 * tree-flow-inline.h (var_can_have_subvars): We also handle
1724 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
1726 * tree-ssa-structalias.c (params.h): Include.
1727 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
1728 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
1729 (get_constraint_for): For ADDR_EXPR operating on something
1730 containing an ARRAY_REF, add all subvars to the solution.
1731 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
1732 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
1733 for creating MUST_DEFs.
1734 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
1736 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
1738 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
1740 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
1741 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1742 number_of_iterations_le): New functions.
1743 (number_of_iterations_special): Removed.
1744 (number_of_iterations_exit): Do not use number_of_iterations_special.
1745 * tree.c (unsigned_type_for): Always return integer type.
1747 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
1748 Richard Guenther <rguenther@suse.de>
1750 PR rtl-optimization/24257
1751 * gcse.c (find_moveable_store): Only consider a store movable
1752 when the SET_SRC of the insn can be assigned to a register.
1754 2006-01-14 Ian Lance Taylor <ian@airs.com>
1756 * tree.c (tree_not_class_check_failed): New function.
1757 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
1758 (tree_not_class_check_failed): Declare.
1760 2006-01-13 Ian Lance Taylor <ian@airs.com>
1762 * reload1.c (do_output_reload): Add assertion rejecting a
1765 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
1767 * combine.c (struct reg_stat): Add new fields truncation_label and
1769 (record_value_for_reg): Reset truncated_to_mode.
1770 (record_truncated_value): New function.
1771 (check_promoted_subreg): Call it. Rename to check_conversions.
1772 (combine_instructions): Rename check_promoted_subreg to
1774 (reg_truncated_to_mode): New function.
1775 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
1776 (gen_lowpart_or_truncate): New function.
1777 (force_to_mode): Use it instead of gen_lowpart.
1779 2006-01-13 Diego Novillo <dnovillo@redhat.com>
1781 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
1782 VAR is a tag, not its type tag.
1784 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
1786 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
1787 alternatives to match style of other entries.
1788 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
1790 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
1792 PR tree-optimization/25771
1793 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
1796 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
1799 * tree-inline.c (declare_return_variable): If the return variable
1800 was marked as a non gimple complex, set the return slot variable
1801 to be a non gimple comple variable.
1803 2006-01-13 Richard Guenther <rguenther@suse.de>
1805 * builtins.c (expand_builtin_sincos): New function.
1806 (expand_builtin_mathfn_3): Remove dead code, sin and cos
1808 (expand_builtin): Expand sincos using expand_builtin_sincos.
1810 2006-01-12 DJ Delorie <dj@redhat.com>
1812 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
1813 shift counts, separate SI shifts for m32c vs m16c, pass shift type
1814 so that constant shifts can be split.
1815 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
1816 (m32c_valid_pointer_mode): Make static.
1817 (shift_gen_func_for): New.
1818 (m32c_prepare_shift): Use it. Split large const shifts into
1820 * config/m32c/predicates.md (shiftcount_operand): Allow more
1822 (longshiftcount_operand): New.
1823 * doc/md.texi (Machine Constraints): Document In6.
1825 2006-01-13 Ben Elliston <bje@au.ibm.com>
1827 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
1828 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
1831 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
1833 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
1834 to try to avoid clobbering pieces of structures when we know
1835 something about the whole structure.
1836 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
1838 2006-01-13 Ben Elliston <bje@au.ibm.com>
1840 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
1841 return in memory, as this is no limitation is no longer present.
1843 2006-01-12 DJ Delorie <dj@redhat.com>
1845 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
1846 mova with fb, and for fb+0 -> An.
1848 * config/m32c/mov.md (peephole2): Fix enabling logic.
1850 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
1851 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
1852 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
1853 FINI_ARRAY_SECTION_ASM_OP): Define.
1855 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
1857 (m32c_legitimize_reload_address): New logic to reload FB to An.
1858 (m32c_output_reg_push): Add newline.
1859 (m32c_output_reg_pop): Likewise.
1861 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
1863 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
1865 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
1867 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
1869 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1871 * config/sh/predicates.md (sh_rep_vec): Add parallel to
1874 2006-01-11 Ben Elliston <bje@au.ibm.com>
1876 * rtlanal.c (find_reg_note): Assert insn is not null.
1878 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
1880 * df-scan.c (df_hard_reg_init): Move declaration of i outside
1883 2006-01-11 Jeff Law <law@redhat.com>
1885 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
1887 (mark_threaded_blocks, register_jump_thread): New functions.
1888 (thread_through_all_blocks): Remove unwanted argument. No
1889 longer rely on e->aux to communicate thread target info.
1890 Call mark_threaded_blocks. Release the threaded_blocks
1891 bitmap and threaded_edges vector when complete.
1892 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
1893 (threaded_blocks): Remove.
1894 (tree_ssa_dominator_optimize): Remove initialization and
1895 finalization of threaded_blocks. Simplify call to
1896 thread_through_all_blocks.
1897 (thread_across_edge): Call register_jump_thread rather than
1898 storing thread information into e->aux.
1899 (free_all_edge_infos): Simplify now that e->aux is no longer
1900 used to communicate with thread_through_all_blocks.
1901 * tree-flow.h (thread_through_all_blocks): Update prototype.
1902 (register_jump_thread): Prototype.
1904 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1906 * df-core.c (df_compact_blocks, df_bb_replace): Use
1907 SET_BASIC_BLOCK instead of BASIC_BLOCK.
1909 2006-01-11 Richard Guenther <rguenther@suse.de>
1911 PR tree-optimization/25734
1912 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
1913 stop propagation after successful propagation to the LHS.
1915 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1917 * basic-block.h (control_flow_graph): Change the type of
1918 x_basic_block_info to VEC(basic_block,gc) *.
1919 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
1921 (SET_BASIC_BLOCK): New.
1922 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
1923 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
1924 * cfgbuild.c (find_basic_blocks): Likewise.
1925 * cfglayout.c (fixup_reorder_chain): Likewise.
1926 * cfgrtl.c (create_basic_block_structure,
1927 rtl_create_basic_block): Likewise.
1928 * ifcvt.c (find_if_case_1): Likewise.
1929 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
1932 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
1934 * Makefile.in: Removed rotted odf.c entry.
1936 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
1939 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
1940 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
1941 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
1942 output pattern modifier, not %e.
1943 * config/cris/cris.c (cris_op_str): Update comment about pattern
1945 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
1946 before falling through into...
1947 <case 'E'>: Redefined from old 'e' case.
1949 2006-01-11 Jan Hubicka <jh@suse.cz>
1952 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
1954 2006-01-11 Jan Hubicka <jh@suse.cz>
1956 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
1957 * i386.c (x86_decompose_lea): Kill.
1958 (ix86_rtx_costs): Kill.
1960 2006-01-11 Jan Hubicka <jh@suse.cz>
1962 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
1963 * cgraph.h (cgraph_node): Add inline_decl.
1964 (cgraph_insert_node_to_hashtable): Declare.
1965 (save_inline_function_body): Declare.
1966 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
1968 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
1969 (cgraph_function_versioning): Update call of tree_function_versioning.
1970 (save_inline_function_body): New function.
1971 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
1972 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
1973 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
1974 (cgraph_default_inline_p): Likewise.
1975 (cgraph_decide_inlining_incrementally): Likewise.
1976 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
1977 (copy_bb): Kill saving; do updating of clones.
1978 (copy_cfg_body): Kill saving.
1979 (initialize_inlined-parameters): Likewise.
1980 (expand_call_inline): Likewise.
1982 (tree_function_versioning): New parameter "update_clones".
1983 (inlining_p): Kill saving.
1984 * tree-inline.h (tree_function_versioning): Update prototype.
1985 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
1988 2006-01-11 Ian Lance Taylor <ian@airs.com>
1990 * combine.c (struct undo): Remove is_int. Enumify types of undos.
1991 Allow undoing set of machine mode.
1992 (do_SUBST): Use enums instead of is_int.
1993 (do_SUBST_MODE): New function.
1994 (SUBST_MODE): New macro.
1995 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
1996 reg and trying to replace reg_regno_rtx with a new register.
1997 (undo_all): Use new enums, handle undoing a PUT_MODE change.
1998 (simplify_set): Use SUBST_MODE.
1999 (distribute_notes): Remove code that tried to update reg notes
2000 for regno_reg_rtx changes.
2002 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
2004 PR tree-optimization/23109
2005 PR tree-optimization/23948
2006 PR tree-optimization/24123
2008 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2009 * tree-cfg.c (single_noncomplex_succ): New.
2010 * tree-flow.h (single_noncomplex_succ): Declare it.
2011 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2012 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2013 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2014 insert_bb, register_division_in, insert_reciprocals,
2015 replace_reciprocal, free_bb): New.
2016 (execute_cse_reciprocals_1): Rewritten.
2017 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2018 Do not commit any edge insertion. Always compute dominators and
2019 create the allocation pool.
2020 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2021 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2022 * targhooks.c (default_min_divistions_for_recip_mul): New.
2023 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2024 * passes.c (init_optimization_passes): Run recip after tree loop
2026 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2028 2005-01-11 Danny Berlin <dberlin@dberlin.org>
2029 Kenneth Zadeck <zadeck@naturalbridge.com>
2031 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2032 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2033 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2034 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2035 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2036 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2037 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2038 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2039 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2040 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2041 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2042 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2043 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2044 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2045 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2046 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2047 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2048 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2049 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2050 DF_SCAN_POST_ALLOC): New macros.
2051 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2052 df_free_bb_function, df_local_compute_function, df_init_function,
2053 df_dataflow_function, df_confluence_function_0,
2054 df_confluence_function_n, df_transfer_function,
2055 df_finalizer_function, df_free_function, df_dump_problem_function,
2056 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2057 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2058 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2059 df_urec_bb_info, ) New types.
2060 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2062 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2063 df_analyze_simple_change_some_blocks,
2064 df_analyze_simple_change_one_block, df_compact_blocks,
2065 df_bb_replace, df_bb_regno_last_use_find,
2066 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2067 df_insn_regno_def_p, df_find_def, df_find_use,
2068 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2069 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2070 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2071 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2072 debug_df_chain, df_get_dependent_problem, df_chain_create,
2073 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2074 df_grow_bb_info, df_chain_dump, df_print_bb_index,
2075 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2076 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2077 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2078 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2079 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2080 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2081 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2082 df_ref_remove, df_insn_refs_delete, df_refs_delete,
2083 df_reorganize_refs, df_set_state, df_hard_reg_init,
2084 df_read_modify_subreg_p) New public functions.
2085 * df-core.c: The core dataflow solver and glue routines for rtl
2087 (df_init, df_add_problem, df_set_blocks, df_finish,
2088 df_hybrid_search_forward, df_hybrid_search_backward,
2089 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2090 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2091 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2092 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2093 df_reg_defined, df_find_use, df_reg_used, df_dump,
2094 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2095 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2096 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2097 debug_df_useno, reset_df_after_reload): New functions.
2098 * df-scan.c: The scanning fuctions, once in df.c, completely
2099 rewritten so that they now fully model the functionality of
2100 register usage at the backend.
2101 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2102 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2103 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2104 df_grow_insn_info, df_rescan_blocks, df_ref_create,
2105 df_get_artificial_defs, df_get_artificial_uses,
2106 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2107 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2108 df_refs_delete, df_reorganize_refs, df_set_state,
2109 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2110 df_def_record_1, df_defs_record, df_uses_record,
2111 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2112 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2113 df_record_exit_block_uses, df_hard_reg_init): New functions.
2115 * df-problems.c: Seven concrete dataflow problems that use the
2116 scanning in df-scan.c and are solved by the engine in df-core.c.
2117 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2118 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2119 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2120 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2121 df_ru_free_bb_info, df_ru_alloc,
2122 df_ru_bb_local_compute_process_def,
2123 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2124 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2125 df_ru_transfer_function, df_ru_free, df_ru_dump,
2126 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2127 df_rd_free_bb_info, df_rd_alloc,
2128 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2129 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2130 df_rd_transfer_function, df_rd_free, df_rd_dump,
2131 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2132 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2133 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2134 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2135 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2136 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2137 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2138 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2139 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2140 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2141 df_urec_mark_reg_change, df_urec_check_earlyclobber,
2142 df_urec_mark_reg_use_for_earlyclobber,
2143 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2144 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2145 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2146 df_urec_dump, df_urec_add_problem, df_chain_alloc,
2147 df_chain_create_bb_process_use, df_chain_create_bb,
2148 df_chain_finalize, df_chain_free, df_chains_dump,
2149 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2150 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2151 df_reg_lifetime): New functions.
2152 * df.c: Deleted file.
2153 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2154 consistent with new df api.
2155 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2156 rest_of_handle_sms): Ditto.
2157 * web.c (unionfind_union, union_defs, entry_register, web_main):
2159 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2160 invariant_expr_equal_p, find_defs, check_dependencies,
2161 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2162 free_inv_motion_data, move_loop_invariants): Ditto.
2163 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2164 Update dependencies.
2165 (odf.c): Added defective entry that was deleted later in day.
2166 * sched-deps.c (sched_analyze_1): Ditto.
2168 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
2170 * tree-ssa-operands.c (get_expr_operands): Record addressable
2171 variables directly. Do not call add_stmt_operands for CONST_DECLs
2173 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2174 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2176 2006-01-11 Ben Elliston <bje@au.ibm.com>
2178 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2179 function returns true in the positive case.
2181 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2184 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2185 for SI, DI, SF and DF modes. Add alternatives to copy between
2186 general and floating point registers to the 32-bit patterns.
2187 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2188 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2189 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2190 generating 64-bit code.
2191 * config/pa/pa.c (output_move_double): Handle copies between general
2192 and floating registers.
2194 2006-01-10 Stuart Hastings <stuart@apple.com>
2196 * config/i386/i386.md (set_got): Update.
2197 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
2198 (builtin_setjmp_receiver): Mach-O support.
2199 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2200 (GOT_SYMBOL_NAME): Define.
2201 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2202 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2203 * config/i386/i386.c (override_options): Revise for Darwin.
2204 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
2205 support. (darwin_x86_file_end): New. (output_set_got): Add label
2206 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
2207 * config/i386/i386-protos.h (output_set_got): Likewise.
2208 * config/darwin.c (machopic_legitimize_pic_address): Update
2211 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
2213 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2214 when MODE isn't BLKmode.
2216 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2218 PR rtl-optimization/25367
2219 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2221 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
2224 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2225 for a negative bound.
2227 2006-01-10 Richard Guenther <rguenther@suse.de>
2229 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2230 Never override with anything constraint.
2232 2006-01-10 Jan Beulich <jbeulich@novell.com>
2234 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2235 256 bits when optimize_size.
2237 2006-01-10 Jan Beulich <jbeulich@novell.com>
2239 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2241 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2242 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2245 2006-01-10 Ben Elliston <bje@au.ibm.com>
2247 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2249 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2250 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2251 (USE_FP_FOR_ARG): Reject decimal float modes.
2252 (function_arg_advance): Likewise.
2253 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2254 (rs6000_handle_altivec_attribute): Do not permit decimal floating
2255 point types in AltiVec vectors.
2256 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2257 (rs6000_libcall_value): Likewise.
2259 2006-01-09 Bob Wilson <bob.wilson@acm.org>
2261 * config/xtensa/ieee754-df.S: New file.
2262 * config/xtensa/ieee754-sf.S: New file.
2263 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2264 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2265 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2267 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
2269 * config/sh/predicates.md (binary_float_operator,
2270 binary_logical_operator, commutative_float_operator,
2271 equality_comparison_operator, greater_comparison_operator,
2272 less_comparison_operator, logical_operator,
2273 noncommutative_float_operator, shift_operator,
2274 symbol_ref_operand, unary_float_operator): Remove redundant
2277 2006-01-09 Jeff Law <law@redhat.com>
2279 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2280 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
2281 now unused arguments. Callers updated.
2282 (eliminate_redundant_computations): Remove now unused arguments,
2284 (local_fold): Remove, no longer used.
2285 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2287 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2288 (simplify_cond): New function.
2289 (forward_propagate_into_cond): Call simplify_cond.
2291 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
2293 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2294 (*vec_extractv2di_1_sse): New.
2296 2006-01-09 Ben Elliston <bje@au.ibm.com>
2298 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2300 2006-01-08 Richard Guenther <rguenther@suse.de>
2302 * tree-ssa-structalias.c (get_constraint_for): Remove
2304 (get_constraint_for_component_ref): Likewise.
2305 (do_deref): Likewise.
2306 (get_constraint_for): Likewise.
2307 (do_structure_copy): Likewise.
2308 (handle_ptr_arith): Likewise.
2309 (find_func_aliases): Likewise. Remove unused need_anyoffset
2312 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
2313 Kaz Kojima <kkojima@gcc.gnu.org>
2315 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2316 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2317 (EXTRA_CONSTRAINT_C16): Remove.
2318 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2319 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2320 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2321 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2322 constants of SHmedia. Handle nested constant expressions of
2324 (andcosts): Fix the costs for SHmedia constants.
2325 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2326 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2327 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2328 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2329 (movv4hi_i, movv2si_i): Likewise.
2330 (movsi_const): Adjust the second operand of ior so to match with
2332 (movdi_const, movdi_const_32bit): Likewise.
2333 (movdi_const_16bit+1): Don't sign-extend LOW.
2334 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
2336 (*double_shori): Fix the split condition. Use GEN_INT instead
2337 of get_int_mode calls. Mask lower 16-bit of the argument of
2339 (sym2GOTPLT): Remove.
2340 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2342 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2343 instead of EXTRA_CONSTRAINT_C16.
2345 2006-01-07 Ian Lance Taylor <ian@airs.com>
2346 David Edelsohn <edelsohn@gnu.org>
2348 PR rtl-optimization/25662
2349 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2350 for constant operands instead of simplify_gen_binary.
2351 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2352 after trying simplify_binary_operation
2354 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
2356 * tree.c (iterative_hash_expr): Hash decls based on UID.
2358 2006-01-06 Eric Christopher <echristo@apple.com>
2360 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2361 (TARGET_UNWIND_EMIT): Fix spelling.
2362 * target.h (gcc_target): Add except_table_label.
2363 * except.c (output_function_exception_table): Use.
2364 * varasm.c (default_emit_except_table_label): New.
2365 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2367 (asm_out): Add here.
2368 * output.h (default_emit_except_table_label): Prototype.
2369 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2370 * config/darwin.c (darwin_emit_except_table_label): Define.
2371 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2373 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
2375 PR tree-optimization/18527
2376 * tree-ssa-loop-niter.c (number_of_iterations_cond,
2377 number_of_iterations_special, number_of_iterations_exit):
2378 Move base and step of an iv to a single structure. Add
2379 no_overflow flag, and use it in # of iterations analysis.
2380 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2381 folded_casts argument.
2382 (simple_iv): Pass base and step in a structure. Set no_overflow
2384 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2385 Evaluate expensiveness of computing # of iterations instead of
2386 the final expression.
2387 * tree-scalar-evolution.h (affine_iv): New structure.
2388 (simple_iv): Declaration changed.
2389 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2390 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2391 find_givs_in_stmt): Changed due to simple_iv change.
2393 2006-01-06 Jeff Law <law@redhat.com>
2396 * tree-cfg.c (bsi_replace): Rename final argument from
2397 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
2398 change (stmt -> orig_stmt).
2399 * tree-eh.c (verify_eh_throw_stmt_node): New function.
2400 (bsi_remove): Add new argument. Remove EH information
2402 (verify_eh_throw_table_statements): New function.
2403 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
2405 * tree-optimize.c (execute_free_cfg_annotations): Verify
2406 the EH throw statement table after removing annotations.
2407 * except.h (verify_eh_throw_table_statements): Prototype.
2408 * tree-flow.h (bsi_remove): Update prototype.
2409 * tree-vrp.c (remove_range_assertions): Add new argument to
2411 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2412 * tree-complex.c (expand_complex_div_wide): Likewise.
2413 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2414 * tree-tailcall.c (eliminate_tailcall): Likewise.
2415 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2416 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2417 * tree-nrv.c (tree_nrv): Likewise.
2418 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
2419 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
2420 (combine_blocks): Likewise.
2421 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
2422 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
2423 (cleanup_control_flow): Likewise.
2424 (remove_forwarder_block): Likewise.
2425 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2426 * tree-sra.c (sra_replace): Likewise.
2427 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
2428 (forward_propagate_single_use_vars): Likewise.
2429 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2430 * tree-inline.c (expand_call_inline): Likewise.
2431 * tree-vect-transform.c (vect_transform_loop): Likewise.
2432 * tree-outof-ssa.c (rewrite_trees): Likewise.
2433 * tree-cfg.c (make_goto_expr_edges): Likewise.
2434 (cleanup_dead_labels): Likewise.
2435 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
2436 (bsi_move_before, bsi_move_after): Likewise.
2437 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
2438 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
2440 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
2443 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
2445 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
2446 on non gimple variables. Also add checks at the top for decls and
2448 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
2450 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
2451 and IMAGPART_EXPR for creating MUST_DEFs.
2452 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
2453 and NAME_MEMORY_TAG separately from the DECLs.
2455 2006-01-06 Richard Guenther <rguenther@suse.de>
2457 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
2458 annotation, if necessary.
2459 * tree-ssa-pre.c (create_expression_by_pieces): Remove
2460 redundant calls to update_stmt.
2461 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
2464 2006-01-05 Richard Henderson <rth@redhat.com>
2466 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
2468 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2470 * c-typeck.c: Update copyright date.
2472 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2474 * c-typeck.c (build_c_cast): Always warn when casting
2475 from a pointer to an integer of different size, even if
2476 the node was constant.
2478 2006-01-05 Richard Guenther <rguenther@suse.de>
2480 PR tree-optimization/22555
2481 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
2482 if one structure field is an array.
2483 * tree-ssa-operands.c (get_expr_operands): Continue scanning
2484 operands even if we found a subvar, but ignore VOPs in this
2486 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
2488 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
2490 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
2493 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
2495 2006-01-05 Richard Guenther <rguenther@suse.de>
2496 Diego Novillo <dnovillo@redhat.com>
2498 * tree-pass.h (TODO_remove_unused_locals): Define.
2499 * gimple-low.c (expand_var_p, remove_useless_vars,
2500 pass_remove_useless_vars): Remove. Update all users.
2501 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
2502 (remove_unused_locals): New function.
2503 * tree-flow.h (remove_unused_locals): Declare.
2504 * passes.c (execute_todo): Call remove_unused_locals if
2505 TODO_remove_unused_locals is set.
2506 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
2507 * tree-ssa-dce.c (pass_dce): Likewise.
2508 * tree-outof-ssa.c (pass_del_ssa): Likewise.
2510 2006-01-05 Richard Guenther <rguenther@suse.de>
2512 * tree-flow.h (struct fieldoff): Decompose field to
2513 type, size and decl.
2514 * tree-ssa-alias.c (create_sft): Take type as parameter.
2515 (create_overlap_variables_for): Store type, size and decl
2516 in the fieldoff structure.
2517 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
2519 (push_fields_onto_fieldstack): Likewise.
2520 (create_variable_info_for): Likewise. Use offset for the
2521 SFT name if the decl is not available.
2523 2006-01-04 Paul Brook <paul@codesourcery.com>
2525 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
2527 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
2529 * lambda-code.c (can_put_in_inner_loop): Relax
2531 (can_put_after_inner_loop): New function.
2532 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
2533 (perfect_nestify): Change to make copies and modify uses.
2535 2006-01-04 Richard Henderson <rth@redhat.com>
2537 Merge from gomp branch:
2538 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
2539 via integer constant.
2540 (pragma_lex): Remove.
2541 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
2542 rather than parsing it.
2543 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
2544 handle_pragma_extern_prefix): Add %< %> quotes.
2545 (registered_pragmas): New.
2546 (c_register_pragma_1): New.
2547 (c_register_pragma): Use it.
2548 (c_register_pragma_with_expansion): Likewise.
2549 (c_invoke_pragma_handler): New.
2550 (init_pragma): Use cpp_register_deferred_pragma directly for
2552 * c-pragma.h (enum pragma_kind): New.
2553 (pragma_handler): New.
2554 (c_invoke_pragma_handler): Declare.
2555 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
2557 * c-common.h (c_common_pch_pragma): Update decl.
2558 * Makefile.in (c-parser.o): Update dependencies.
2559 (GTFILES): Add c-pragma.h.
2560 * c-parser.c (struct c_token): Add pragma_kind.
2561 (struct c_parser): Add in_pragma.
2562 (c_lex_one_token): Always initialize keyword and pragma_kind.
2563 Extract data for CPP_PRAGMA.
2564 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
2565 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
2566 Don't allow CPP_PRAGMA_EOL if in_pragma.
2567 (c_parser_consume_pragma): New.
2568 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
2569 (c_parser_skip_to_end_of_parameter): Likewise.
2570 (c_parser_skip_to_end_of_block_or_statement): Likewise.
2571 (c_parser_skip_to_pragma_eol): New.
2572 (c_parser_external_declaration): Handle CPP_PRAGMA.
2573 (c_parser_compound_statement_nostart): Likewise.
2574 (c_parser_statement_after_labels): Likewise.
2575 (c_parser_pragma): New.
2576 (pragma_lex): Likewise.
2577 (c_parser_pragma_pch_preprocess): New.
2578 (c_parser_new): Merge into ...
2579 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
2581 2006-01-04 Jeff Law <law@redhat.com>
2584 * tree-cfg.c (bsi_replace): Remove the original statement
2585 from the EH throw statement table.
2587 2006-01-04 Jakub Jelinek <jakub@redhat.com>
2589 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
2590 make the prototype extern "C" and add throw ().
2593 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
2594 and pos non-negative and pos + len <= 32.
2595 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
2596 drop pos + len < HOST_BITS_PER_WIDE_INT test.
2597 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
2600 * c-common.c (handle_vector_size_attribute): Reject zero vector size
2601 as well as sizes not multiple of component size.
2604 * function.c (instantiate_expr): New function.
2605 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
2606 walk its DECL_VALUE_EXPR with instantiate_expr.
2608 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
2609 DW_OP_deref{,_size} if address isn't going to be added.
2611 2006-01-04 Ben Elliston <bje@au.ibm.com>
2613 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
2614 * config/fp-bit.c: Likewise.
2616 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
2618 * dominance.c: Add comment about why we use DFS numbering
2621 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2622 Richard Henderson <rth@redhat.com>
2624 Merge from gomp-branch:
2625 * varasm.c (assemble_variable): Handle thread-local COMMON data.
2626 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
2628 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
2630 PR rtl-optimization/25578
2631 * combine.c (combine_simplify_rtx, force_to_mode): Don't
2632 pass a parameter to simplify_shift_const if changing ASHIFTRT
2635 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
2637 * builtins.c (get_builtin_sync_mem): New function.
2638 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
2639 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
2640 Call get_builtin_sync_mem to generate mem rtx.
2642 2006-01-03 Richard Guenther <rguenther@suse.de>
2645 * stmt.c (add_case_node): Make sure to clear overflow flags
2648 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2650 Merge from gomp-branch.
2651 * config/sparc/sync.md: New file.
2652 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
2653 UNSPECV_LDSTUB): New constants.
2654 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
2655 * config/sparc/predicates.md (memory_reg_operand): New predicate.
2656 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
2659 2006-01-03 Roger Sayle <roger@eyesopen.com>
2661 * combine.c (reg_subword_p): New predicate to test whether the
2662 destination of a set refers to a subword/piece of a register.
2663 (try_combine): Generalize the code to merge the setting of a
2664 pseudo to a constant followed by a set of a subword of that
2665 register to a constant.
2667 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
2669 * basic-block.h (control_flow_graph): Change the type of
2670 x_label_to_block_map to VEC(basic_block,gc) *.
2671 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
2672 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
2674 * tree-ssa-propagate.c (cfg_blocks): Change the type to
2675 VEC(basic_block,heap) *.
2676 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
2677 ssa_prop_fini): Adjust the uses of cfg_blocks.
2679 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
2681 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
2683 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
2684 hashing trees instead of a pointer hash.
2685 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
2686 compare for MEM_EXPR.
2688 PR rtl-optimization/25130
2689 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
2690 when comparing MEMs for GCSE
2692 2006-01-03 Ben Elliston <bje@au.ibm.com>
2694 * targhooks.h (default_decimal_float_supported_p): Declare.
2695 * targhooks.c (default_decimal_float_supported_p): Define.
2696 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
2697 `default_decimal_float_supported_p'.
2698 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
2700 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
2702 * combine.c (apply_distributive_law <SUBREG>): Check
2703 TRULY_NOOP_TRUNCATION.
2705 2006-01-02 Geoffrey Keating <geoffk@apple.com>
2707 * dwarf2out.c (have_switched_text_section): Delete.
2708 (have_multiple_function_sections): New.
2709 (have_location_lists): Make 'bool'.
2710 (add_AT_loc_list): Use 'true' not '1'.
2711 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
2712 (output_loc_list): Use have_multiple_function_sections.
2713 (output_ranges): Likewise.
2714 (dwarf2out_begin_function): Set have_multiple_function_sections if
2716 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
2717 Check function_section rather than DECL_SECTION_NAME.
2718 (dwarf2out_finish): Use have_multiple_function_sections.
2719 Don't clear have_location_lists.
2721 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
2722 Jan Hubicka <jh@suse.cz>
2724 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
2725 case of conditional jump jumping to the next instruction.
2726 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
2727 cases of conditional jump jumping to the next instruction.
2729 2006-01-02 Jan Hubicka <jh@suse.cz>
2731 * i386.c (*_cost): Add COSTS_N_INSNS.
2732 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
2734 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
2737 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
2739 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2741 * config/arm/arm.c (all_fpus): Fix comment typo.
2742 * config/darwin.c: Likewise.
2743 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
2744 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
2745 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
2747 2006-01-01 David Edelsohn <edelsohn@gnu.org>
2749 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
2750 (rs6000_split_compare_and_swapqhi): New.
2751 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
2752 (sync_compare_and_swapqhi_internal): New.
2753 * config/rs6000/rs6000-protos.h: Declare.