1 2006-01-24 Ian Lance Taylor <ian@airs.com>
4 * cgraphunit.c (cgraph_output_in_order): Don't clear
5 cgraph_asm_nodes until after asm strings have been output.
7 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9 * fix-header.c (read_scan_file): Add new parameter imultilib when
10 calling register_include_chains.
12 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14 * omp-low.c: Update documentation.
16 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17 Daniel Berlin <dberlin@dberlin.org>
21 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
22 return from the function.
24 2006-01-22 Zack Weinberg <zackw@panix.com>
26 * rtl.def (match_code): Add second argument.
27 * genpreds.c (write_extract_subexp): New function.
28 (write_match_code): Add path argument. Use write_extract_subexp.
29 (write_predicate_expr): Pass path to write_match_code.
30 (mark_mode_tests): MATCH_CODE applied to a subexpression does
31 not perform a mode test.
32 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
33 a subexpression does not constrain the top-level code set.
34 * read-rtl.c (read_rtx_variadic): New function.
35 (read_rtx_1): Use it; allow AND and IOR to be variadic.
36 * doc/md.texi: Document new notation.
37 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
38 (cmpsi_operand): ... here, using new notation.
40 2006-01-22 Zack Weinberg <zackw@panix.com>
42 * varray.c: Remove GENERATOR_FILE #ifdefs.
44 2006-01-22 Zack Weinberg <zackw@panix.com>
46 * genautomata.c (output_reserved_units_table): Emit nothing if
47 description->query_units_num is zero. Remove extra blank line.
48 (output_cpu_unit_reservation_p): Short circuit
49 if description->query_units_num is zero.
51 2006-01-22 Zack Weinberg <zackw@panix.com>
53 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
54 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
55 nor any of the random handful of variables that used to be necessary
56 when this program was linked with rtlanal.o. Prune set of forward
57 function declarations.
58 (struct attr_desc): Remove static_p field.
59 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
60 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
61 (attr_string): Do not read the character one past the length of
63 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
64 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
65 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
66 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
67 (make_automaton_attrs): New.
68 (main): Do not call into genautomata. Call local gen_bypass
69 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
70 Remove special case for insn_alts.
71 * genautomata.c: Include gensupport.h; not genattrtab.h nor
72 varray.h (leftover from previous change). Prune set of forward
73 function declarations. Remove state_alts fields from all
74 structures. Remove state_alts_table from struct automaton.
75 Make everything except main static. Do not maintain num_dfa_decls.
76 Do not maintain state_alts fields of various structures.
77 (process_decls): Don't validate condexp for dm_insn_reserv decls.
78 (add_arc): Remove state_alts argument. All callers updated.
79 (output_reserved_units_table): Emit #ifdef here...
80 (output_tables): ...not here. Don't generate state_alts tables.
81 (expand_automata): Don't generate attributes.
82 (write_automata): Don't generate state_alts functions.
84 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
85 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
86 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
87 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
88 (BYPASS_P_FUNC_NAME, output_state_alts_table)
89 (output_automata_list_state_alts_code, output_internal_state_alts_func)
90 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
91 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
93 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
94 * genattrtab.h: Delete file.
95 * Makefile.in (OBJS-common): Add insn-automata.o.
96 (insn-automata.o): New rule.
97 (simple_generated_c): Add insn-automata.c.
98 (build/genattrtab.o, build/genautomata.o): Update dependencies.
99 (genprogmd): Add automata.
100 (build/genattrtab): Needs no extra objects nor libraries.
101 (build/genautomata): Needs build/vec.o and -lm.
103 2006-01-22 Zack Weinberg <zackw@panix.com>
105 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
106 (output_dfa_max_issue_rate, locked_states_num): Delete.
107 (struct automaton): Add locked_states field.
108 (output_dead_lock_vect): Save number of locked states in
109 automaton->locked_states. If it is zero, don't print anything.
110 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
111 (output_internal_dead_lock_func): Only test the dead_lock_vect
112 for automata that have locked states.
113 (output_statistics): Always print the number of locked states for
114 each automaton. Calculate total number of locked states here.
115 (write_automata): Don't call output_dfa_max_issue_rate.
116 * genattrtab.c: Define length_unit_log as a const variable.
117 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
118 max_insn_queue_index const.
119 * final.c (length_unit_log): Declare const.
120 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
122 2006-01-22 Zack Weinberg <zackw@panix.com>
124 * genautomata.c: Include vec.h, not varray.h.
125 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
126 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
127 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
128 VEC_* macros operating on appropriately typed vectors, or to
129 malloced arrays when the size is known in advance. Const-ify
130 many char* variables and function arguments. No functional changes.
131 * Makefile.in (build/varray.o): Delete rule.
132 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
133 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
135 2006-01-22 Zack Weinberg <zackw@panix.com>
137 * gensupport.c: Define get_insn_name and record_insn_name here.
138 (read_md_rtx): Call record_insn_name as appropriate.
139 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
140 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
141 * genpreds.c, genrecog.c: Don't define get_insn_name nor
143 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
144 (BUILD_VARRAY): Delete.
145 (genprognormal): Rename genprogmd. Fold in all programs from
146 genprognoprint; also attrtab.
147 (build/genattrtab): Just mention genautomata.o and varray.o.
148 Reorganize a bit, add comments to make the categories clearer.
150 2006-01-22 Zack Weinberg <zackw@panix.com>
152 * genconditions.c (condition_table, add_condition): Delete.
153 (write_conditions): Don't emit n_insn_conditions nor
154 insn_elision_unavailable. Issue the gcc version #ifdef here,
155 inside the table, with no #else clause ...
156 (write_header): ...not here.
157 (write_writer): New function.
158 (main): Don't initialize condition_table. Use add_c_test.
160 * gensupport.c (init_md_reader_args_cb): Handle multiple input
161 files on the command line.
162 (maybe_eval_c_test): Don't check insn_elision_unavailable.
163 Return -1 if there is no entry in the table, don't abort.
164 (add_c_test, traverse_c_tests): New functions.
165 * gensupport.h (insn_elision_unavailable, insn_conditions)
166 (n_insn_conditions): Delete declarations.
167 (add_c_test, traverse_c_tests): Declare.
168 * read-rtl.c: Include gensupport.h.
169 (read_conditions): New function.
170 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
171 (read_rtx_1): If we get EOF when we were looking for an initial
172 open paren, return 0. Call read_conditions when appropriate.
173 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
174 dummy-conditions.o. Eliminate references to insn-conditions.o,
175 or change them to build/gencondmd.o, as appropriate. Remove
176 insn-constants.h from $(simple_generated_h) and insn-conditions.c
177 from $(simple_generated_c). For all files remaining in those
178 two lists, add insn-conditions.md to the generator command line.
179 Give insn-constants.h/s-constants their own rules. Add rules
180 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
181 (build/read-rtl.o): Depend on gensupport.h.
182 (genprognormal): Include preds.
183 (genprogearly): Rename genprognoprint; only difference is now that
184 they don't link with $(BUILD_PRINT).
185 * dummy-conditions.c: Delete.
187 2006-01-22 Zack Weinberg <zackw@panix.com>
189 * genextract.c: Don't include insn-config.h. Do include vec.h.
190 Declare vectors of int, char, and locstr.
191 (locstr): New typedef.
192 (struct extraction): Make all array fields into bare pointers.
193 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
194 (insn_code_number): Delete.
195 (accum_extract): New struct.
196 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
197 (gen_insn): Take insn_code_number as an argument. Use an
198 accum_extract structure instead of loading data directly into
199 a struct extraction, and having to know how big it might get.
200 (walk_rtx): Operate entirely on an accum_extract structure.
201 (print_path): Avoid unnecessary use of printf.
202 (print_header): New function, split out of main. Distinguish
203 more carefully between an unrecognizable insn and an insn that
204 has the code number of a define_expand.
205 (main): Pass insn_code_number to gen_insn. Call print_header
206 only after parsing. Avoid unnecessary use of printf.
207 * Makefile.in (build/vec.o): New rule.
208 (build/genextract): Depend on build/vec.o.
209 (build/genextract.o): Don't depend on insn-config.h.
211 2006-01-22 Zack Weinberg <zackw@panix.com>
213 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
214 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
215 practical. Eliminate per-generator-program link rules.
217 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
220 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
221 with a call expr to ...
222 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
224 2006-01-23 Richard Guenther <rguenther@suse.de>
226 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
227 before make_edge with conditional EDGE_TRUE_VALUE.
229 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
230 Jan Hubicka <jh@suse.cz>
231 Richard Guenther <rguenther@suse.de>
233 PR rtl-optimization/25654
234 * cfgexpand.c (aggregate_contains_union_type): New function.
235 (add_alias_set_conflicts): Call it. Make sure to add conflicts
236 for structure variables that contain a union type.
238 2006-01-23 Richard Sandiford <richard@codesourcery.com>
240 * gengtype.c (new_structure): Return the structure.
241 (create_option): Add an extra "next" argument.
242 (create_field): New function.
243 (adjust_field_rtx_def): Use create_option and create_field.
244 Remove a now-unnecessary call to find_structure.
245 (adjust_field_tree_def): Likewise.
246 (note_yacc_type): Remove an unnecessary call to find_structure.
247 * gengtype.h (new_structure): Return the structure.
248 (create_option): Add an extra argument.
249 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
250 (option): Adjust calls to create_option.
252 2006-01-22 David Edelsohn <edelsohn@gnu.org>
254 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
256 2006-01-22 Paul Brook <paul@codesourcery.com>
257 Peter Barada <peter@the-baradas.com>
259 * config/m68k/m68k.md: Add Coldfire FPU support.
260 Define FP mode macro and associated attributes.
261 Use it for float mode patterns.
262 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
263 (LIBCALL_VALUE): Use m68k_libcall_value.
264 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
265 (m68k_function_value): Ditto.
266 (emit_move_sequence): Ditto.
267 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
268 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
269 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
270 (MULTILIB_EXCEPTIONS): Ditto.
271 * config/m68k/m68k.opt: Add mcfv4e.
272 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
273 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
274 (m68k_output_function_prologue): Save ColdFire FPU registers.
275 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
276 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
277 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
278 ColdFire FPU registers.
279 (m68k_libcall_value, m68k_function_value): New functions.
280 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
281 (LIBCALL_VALUE): Use m68k_libcall_value.
282 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
283 (MASK_COLDFIRE): Add MASK_CFV4E.
284 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
285 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
286 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
287 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
288 (GO_IF_LEGITIMATE_ADDRESS): Use it.
289 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
290 * doc/invoke.tex: Document -mcfv4e on m68k.
292 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
294 * doc/contribute.texi: Change CVS to SVN and update the corresponding
297 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
300 * c-opts.c (c_common_handle_option): Don't include
301 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
302 * doc/invoke.texi (C++ Dialect Options): Document that
303 -Wnon-virtual-dtor is no longer included in -Wall.
305 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
307 * gcov.c (print_version), gcov-dump.c (print_version),
308 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
311 2005-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
313 * df-scan.c (problem_SCAN): Added NULL reset function.
314 (df_scan_reset_blocks): Added code to call reset block function
315 (df_bb_refs_delete) Fixed comment.
316 (df_insn_refs_delete): Made tolerant of deleting non existent info
317 for dataflow problems that need to be reset.
318 * df-core.c (df_set_blocks): Ditto.
319 * df.h (struct df_problem): Added reset_fun.
320 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
321 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
322 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
323 functions to clear out all references to def-use or use-def chains.
325 2006-01-21 Ben Elliston <bje@au.ibm.com>
327 * varasm.c (assemble_real): Initialise data array.
329 2006-01-20 Paul Brook <paul@codesourcery.com>
331 Merge from csl-arm-branch.
332 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
333 * config/arm/arm.md (movdi): Force operands[1] to a register
334 if we have a non-register source.
335 (*arm_movdi, *movdf_soft_insn): Require that one of the
336 operands be a register.
337 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
338 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
340 2006-01-20 DJ Delorie <dj@redhat.com>
342 * varasm.c (initialize_constant_valid_p): Allow pointers
343 initialized from integer constants of lesser precision.
344 (output_constant): Allow non-int-sized pointer modes to be
345 initialized from integer constants.
347 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
350 * cppdefault.h (struct default_include): Add multilib flag.
351 * cppdefault.c (cpp_include_defaults): Set it.
352 * c.opt (-imultilib): New option.
353 * c-opts.c (imultilib): New.
354 (c_common_handle_option): Handle -imultilib.
355 (c_common_post_options): Likewise.
356 * c-incpath.c (add_standard_paths, register_include_chains):
358 * c-incpath.h (register_include_chains): Add extra parameter.
359 * gcc.c (do_spec_1): Generate -imultilib option.
360 (The Specs Language): Update %I description.
361 (process_command): Update copyright notice.
362 * doc/cppopts.texi (-imultilib): Document.
363 * doc/invoke.texi (-imultilib): Include in option summary.
364 (%I): Update specs documentation.
366 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
368 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
370 2006-01-20 Richard Sandiford <richard@codesourcery.com>
372 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
375 2006-01-20 Richard Guenther <rguenther@suse.de>
376 Steven Bosscher <stevenb.gcc@gmail.com>
378 PR rtl-optimization/24626
379 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
380 EDGE_TRUE_VALUE if in RTL mode.
383 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
384 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
386 2006-01-20 Dirk Mueller <dmueller@suse.com>
389 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
390 instead of a special NOP marker.
391 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
393 * c-common.h (empty_body_warning): Add forward declaration.
394 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
395 Now uses IS_EMPTY_STMT() instead of special NOP markers.
397 2005-01-20 Paul Brook <paul@codesourcery.com>
399 * Makefile.in (lang_checks): Keep going if mkdir fails.
401 2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
403 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
404 be able to clean out basic block when not necessary.
405 (df_scan_free): Fixed to properly delete information if df is
406 unused before calling df_finish.
407 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
408 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
410 (df_bb_refs_delete): New function.
411 (df_refs_delete): Moved per block code to df_bb_refs_delete.
412 * df-core.c (df_set_blocks): Added code to properly clean out
413 unused blocks if they are not part of the blocks to consider.
414 Added additional null check.
415 (df_compact_blocks): Added basic block parameter to free_bb_fun to
416 be able to clean out basic block when not necessary
417 * df.h (df_free_bb_function): Ditto.
418 (df_bb_refs_delete): New function.
419 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
420 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
421 basic block parameter to be able to clean out basic block when not
423 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
424 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
425 Fixed to properly delete information if df is unused before
428 2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
430 PR rtl-optimization/25799
431 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
432 Corrected confluence operator to remove bits from op2 before oring
433 with op1 rather than removing bits from op1.
434 (df_ru_transfer_function): Corrected test on wrong bitmap which
435 caused infinite loop. Both of these problems were introduced in
436 the dataflow rewrite.
438 2006-01-19 DJ Delorie <dj@redhat.com>
440 * reload1.c (find_reload_regs): Note the details of reload
441 failures in the dump file.
442 (spill_failure): Likewise.
444 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
446 * loop-iv.c: Include df.h and hashtab.h.
447 (enum iv_grd_result): New enum.
448 (DF_REF_IV, DF_REF_IV_SET): New macros.
449 (struct biv_entry): New.
450 (df, bivs): New global variables.
451 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
452 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
454 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
455 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
456 analyzed_for_bivness_p, record_biv): New functions.
457 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
458 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
459 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
461 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
463 (iv_number_of_iterations): Use new interface to iv analysis.
464 * loop-unroll.c: Do not include varray.h.
465 (analyze_iv_to_split_insn): Use new interface to iv
467 * loop-unswitch.c (may_unswitch_on): Ditto.
468 * df.c (df_bitmaps_free): Only work for bbs for that structures are
470 (df_bb_modify): Realloc tables to the new index.
471 (df_find_use): New function.
472 * df.h (df_find_use): Declare.
473 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
475 * cfgloop.h (struct rtx_iv): Remove analysed field.
476 (iv_get_reaching_def): Removed.
477 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
478 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
479 (loop-iv.o): Add df.h and hashtab.h dependency.
480 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
482 2006-01-20 Alan Modra <amodra@bigpond.net.au>
484 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
486 (__floatundisf, __floatundidf): Likewise.
487 * libgcc2.h (IS_IBM_EXTENDED): Define.
489 2006-01-19 DJ Delorie <dj@redhat.com>
491 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
493 2006-01-19 Paul Brook <paul@codesourcery.com>
495 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
496 as nothrow when unwinding tables are disabled.
498 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
501 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
502 of bit-field" when in system header.
504 2006-01-19 DJ Delorie <dj@redhat.com>
506 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
507 the 16 bit shift limit of the m16c.
509 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
512 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
513 * config/i386/i386.c (output_set_got): Output the label if we have one
514 for the TARGET_DEEP_BRANCH_PREDICTION case.
516 2006-01-19 Jan Hubicka <jh@suse.cz>
517 H.J. Lu <hongjiu.lu@intel.com>
518 Evandro Menezes <evandro.menezes@amd.com>
520 * invoke.texi (generic): Document
522 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
523 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
524 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
525 (x86_use_incdec, x86_pad_returns): New variables
526 (TARGET_CPU_DEFAULT_generic): New constant
527 (TARGET_CPU_DEFAULT_NAMES): Add generic.
528 (enum processor_type): Add generic32 and generic64.
529 * i386.md (cpu attribute): Add generic32/generic64
530 (movhi splitter): Behave sanely when both partial_reg_dependency and
531 partial_reg_stall are set.
532 (K8 splitters): Enable for generic as well.
533 * predicates.md (incdec_operand): Use TARGET_INCDEC
534 (aligned_operand): Avoid memory mismatch stalls.
535 * athlon.md: Enable for generic64, new patterns for 128bit moves.
536 * ppro.md: Enable for generic32
537 * i386.c (generic64_cost, generic32_cost): New.
538 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
539 (x86_use_leave): Enable for generic64. (x86_use_sahf,
540 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
541 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
542 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
543 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
544 x86_partial_reg_dependency, x86_memory_mismatch_stall,
545 x86_accumulate_outgoing_args, x86_prologue_using_move,
546 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
547 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
549 (x86_use_incdec, x86_pad_returns): New.
550 (override_options): Add generic32 and generic64, translate "generic"
551 to generic32/generic64 and "i686" to "generic32", refuse
552 "generic32"/"generic64" as arch target.
553 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
554 (ix86_reorg): Honor PAD_RETURNS.
556 2006-01-19 Diego Novillo <dnovillo@redhat.com>
558 * tree-pretty-print.c (dump_generic_node): Handle
559 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
560 * cgraph.c (cgraph_expand_queue): Rename from
561 cgraph_analyze_queue. Update all users.
562 * cgraphunit.c (cgraph_assemble_pending_functions): Process
564 (cgraph_expand_all_functions): Likewise.
565 (cgraph_finalize_pending_functions): Remove. Update callers.
567 * tree.h (OMP_DIRECTIVE_P): Define.
568 (OMP_PARALLEL_FN): Define.
569 (OMP_PARALLEL_DATA_ARG): Define.
570 (OMP_SECTIONS_SECTIONS): Define.
571 * tree-pass.h (pass_expand_omp): Declare.
572 * omp-low.c (struct omp_region): Declare.
573 (struct omp_context): Remove fields 'parallel_type',
574 'parallel_start_ix' and 'parallel_start_additional_args'.
576 (struct omp_for_data): Rename from struct expand_omp_for_data.
577 (omp_regions): New static variable.
578 (root_omp_region): New static variable.
579 (find_omp_clause): Make static.
580 (is_in_combined_parallel_ctx): Remove.
581 (is_combined_parallel): New.
582 (extract_omp_for_data): Move earlier in the file.
583 (workshare_safe_to_combine_p): New.
584 (get_ws_args_for): New.
585 (determine_parallel_type): Move earlier in the file.
586 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
588 (omp_copy_decl): Likewise.
589 (create_omp_child_function): Likewise.
590 (lookup_omp_region): New.
591 (dump_omp_region): New.
592 (debug_omp_region): New.
593 (debug_all_omp_regions): New.
594 (new_omp_region): New.
595 (scan_omp_parallel): If parallel_nesting_level > 1, the
596 directive is nested within another parallel directive.
598 (scan_omp_for): Do not try to handle combined parallel+for
600 Remove FIXME comment.
601 (scan_omp_nested): Remove.
602 (scan_omp_1): Do not call scan_omp_nested when
603 parallel_nesting_level is > 1.
604 Do not change the DECL_CONTEXT of local variables found.
605 (lookup_decl_in_outer_ctx): New.
606 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
607 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
608 (lower_reduction_clauses): Rename from expand_reduction_clauses.
609 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
610 If CTX is nested, lookup VAR in the outer context when
611 building copy assignment.
612 (lower_send_clauses): Rename from expand_send_clauses.
613 If CTX is nested, lookup VAR in the outer context when
614 building copy assignments.
615 (lower_send_shared_vars): Rename from expand_send_shared_vars.
616 If CTX is nested, lookup VAR in the outer context when
617 building copy assignments.
618 (expand_parallel_call): Rename from build_parallel_call.
619 Handle combined parallel+workshare cases.
620 Re-implement to emit code into the CFG.
622 (expand_omp_parallel): Re-implement to emit code into the CFG.
623 Call move_sese_region_to_fn to outline the sub-graph
624 containing the parallel region.
625 (expand_omp_for_1): Remove.
626 (expand_omp_for_generic): Re-implement to emit code into the
628 (expand_omp_for_static_nochunk): Likewise.
629 (expand_omp_for_static_chunk): Likewise.
630 (expand_omp_for): Likewise.
631 (expand_omp_sections): Likewise.
632 (remove_exit_barriers): New.
633 (expand_omp_synch): New.
635 (build_omp_regions_1): New.
636 (build_omp_regions): New.
637 (execute_expand_omp): New.
638 (gate_expand_omp): New.
639 (pass_expand_omp): Define.
640 (lower_omp_sections): Rename from expand_omp_sections.
641 Set OMP_SECTIONS_SECTIONS.
642 (lower_omp_single_simple): Rename from expand_omp_single_simple.
643 (lower_omp_single_copy): Rename from expand_omp_single_copy.
644 (lower_omp_single): Rename from expand_omp_simple.
645 (lower_omp_master): Rename from expand_omp_master.
646 (lower_omp_ordered): Rename from expand_omp_ordered.
647 (lower_omp_critical): Rename from expand_omp_critical.
648 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
649 (lower_omp_for): Re-implement.
650 (lower_omp_parallel): Re-implement.
651 (lower_regimplify): Rename from expand_regimplify.
652 (lower_omp_1): Rename from expand_omp_1.
653 If there are syntax errors in the program, replace every
654 OpenMP directive with NOP.
655 Call lower_omp_* instead of expand_omp_*.
656 (lower_omp): Rename from expand_omp.
658 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
659 * tree-gimple.h (enum omp_parallel_type): Remove.
660 (gimple_boolify): Declare extern.
661 (find_omp_clause, determine_parallel_type): Remove.
663 * gimple-low.c (lower_omp_directive): New.
664 (lower_stmt): Call it.
665 (record_vars_into): Move from ...
666 (record_vars): ... here.
667 Call record_vars_into with current_function_decl.
669 * gimplify.c (struct gimplify_ctx): Remove fields
670 combined_pre_p and combined_ctxp. Update users.
671 (get_formal_tmp_var): Add documentation.
672 (gimple_boolify): Make extern.
673 (gimplify_expr_in_ctx): Remove. Update callers.
674 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
675 will always be a BIND_EXPR.
676 (gimplify_expr): Handle OMP_RETURN_EXPR.
677 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
678 (OMP_PARALLEL): Add 3 operands.
679 (OMP_SECTIONS): Add 1 operand.
680 (OMP_RETURN_EXPR): Define.
682 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
683 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
684 * tree-iterator.c (alloc_stmt_list): Assert that we are not
685 creating a circular free list.
686 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
688 * tree-flow.h (move_sese_region_to_fn): Declare.
689 (record_vars_into): Declare.
690 * tree-cfg.c (make_omp_sections_edges): New.
691 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
692 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
693 OMP_SECTIONS and OMP_SECTION.
694 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
695 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
696 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
697 (gather_blocks_in_sese_region): New.
698 (struct move_stmt_d): Declare.
700 (move_block_to_fn): New.
701 (move_sese_region_to_fn): New.
703 * passes.c (init_optimization_passes): Schedule
704 pass_expand_omp after pass_init_datastructures.
706 * tree-ssa-operands.c (get_expr_operands): Handle
707 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
708 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
710 2006-01-19 Jeff Law <law@redhat.com>
712 * tree-vrp.c (extract_range_from_assert): Refine the result range
713 if the variable referenced by the ASSERT_EXPR has a range and
714 either the tentative result range or the previous range is a
717 2006-01-19 Richard Sandiford <richard@codesourcery.com>
719 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
721 2006-01-19 Jan Hubicka <jh@suse.cz>
723 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
725 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
727 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
728 (expand_compound_operation, expand_field_assignment): Fail if the
729 bit lengths of an extract operation are out of range.
730 (make_extraction): Compute wanted_inner_mode based on the position
731 and length of the extraction. Make it extraction_mode for non-constant
732 positions, and do not modify offset in that case. When generating a
733 new MEM, use a mode that can hold the extraction while keeping correct
734 alignment. Remove code that supported MEMs wrapped by USEs.
735 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
737 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
739 * config/s390/s390.md ("Y", "y"): New mode attribute.
740 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
741 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
742 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
743 "*addsi3_imm_cc", "*addsi3_carry1_cc",
744 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
745 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
746 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
747 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
748 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
749 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
750 "addsi3", "subsi3"): Insn patterns removed.
751 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
752 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
753 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
754 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
755 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
756 "*sub<mode>3_cconly2"): New insn patterns.
757 ("addsi3", "subsi3"): New expanders.
759 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
761 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
762 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
763 existing STMT_VINFO_VECTYPE if available.
764 (vect_mark_relevant): Add special handling for stmts that are
765 marked as STMT_VINFO_IN_PATTERN_P.
766 (vect_analyze_loop): Call vect_pattern_recog.
767 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
768 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
770 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
771 (vect_recog_func_ptr): New function-pointer type.
772 * tree-vect-patterns.c: New file.
773 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
774 (vect_recog_dot_prod_pattern, vect_pattern_recog):
775 (vect_pattern_recog_1): New functions.
776 (vect_pattern_recog_funcs): New array of function pointers.
778 * tree-vectorizer.h (ternary_op): New enum value.
779 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
780 declaration. Revised documentation. Removed redundant dump prints.
781 Removed redundant argument. Added support for reduction patterns.
782 (vectorizable_reduction): Added support for reduction patterns.
783 (vect_transform_stmt): Added support for patterns.
785 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
786 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
787 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
788 (expand_widen_pattern_expr): New function.
789 (init_optabs): Initialize new optabs udot_prod_optab,
791 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
792 (sdot_prod_optab, udot_prod_optab): Define new optabs.
793 (expand_widen_pattern_expr): New function declaration.
794 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
796 * tree-inline.c (estimate_num_insns_1): Added cases for new
797 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
798 * tree-pretty-print.c (dump_generic_node): Likewise.
800 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
801 * tree-ssa-operands.c (get_expr_operands): Added case for
803 * tree-vect-patterns.c (widened_name_p): New function.
804 (vect_recog_dot_prod_pattern): Added function implementation.
805 * tree-vect-transform.c (get_initial_def_for_reduction): Added
806 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
807 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
808 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
810 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
811 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
812 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
813 (init_optabs): Initialize new optabs widen_ssum_optab,
815 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
816 (widen_ssum_optab, widen_usum_optab): Define new optabs.
817 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
818 use instead of type of def.
819 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
820 function implementation.
821 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
822 widen_ssumv8hi): New.
824 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
827 2006-01-19 Richard Sandiford <richard@codesourcery.com>
830 * c-decl.c (add_flexible_array_elts_to_size): New function.
831 (finish_decl): Use it.
833 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
835 * diagnostic.h: Include options.h.
836 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
837 dependancies for diagnostic.h.
838 * Makefile.in (DIAGNOSTIC_H): Add options.h.
840 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
842 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
843 (ssa_ro_call_cache_valid): Ditto.
844 * tree-ssa-alias.c (sort_tags_by_id): New function.
845 (init_transitive_clobber_worklist): Ditto.
846 (add_to_worklist): Ditto.
847 (mark_aliases_call_clobbered): Ditto.
848 (compute_tag_properties): Ditto.
849 (set_initial_properties): Ditto.
850 (compute_call_clobbered): Ditto.
851 (compute_may_aliases): Call compute_call_clobbered and grouping.
852 (compute_flow_sensitive_aliasing): Remove clobbering related code.
853 (compute_flow_insensitive_aliasing): Grouping now happens in our
855 (setup_pointers_and_addressables): Remove clobbering related code.
856 (add_may_alias): Ditto.
857 (replace_may_alias): Ditto.
858 (get_nmt_for): Ditto.
860 (is_escape_site): Return an escape_type enumeration.
861 * tree-flow-inline.h (is_call_clobbered): Global var does not
862 imply call clobbered.
863 (mark_call_clobbered): Take a reason for marking this. Remove
864 marking of globalness, and cache invalidation.
865 (clear_call_clobbered): Remove cache invalidation code.
866 * tree-dfa.c (dump_variable): If details is on, dump the reason
868 * tree-outof-ssa.c (create_temp): Copy escape mask from original
870 * tree-flow.h (struct ptr_info_def): Add escape mask member.
871 (struct var_ann_d): Ditto.
872 (enum escape_type): New.
873 (mark_call_clobbered): Adjust prototype.
874 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
875 are never call clobbered.
876 Record reasons for escaping.
877 * tree-ssa-structalias.h (is_escape_site): Update prototype.
878 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
879 (ssa_ro_call_cache_valid): Ditto.
880 (clobbered_v_may_defs): Ditto.
881 (clobbered_vuses): Ditto.
882 (ro_call_vuses): Ditto.
883 (clobber_stats): New.
884 (init_ssa_operands): Zero out clobber stats.
885 (fini_ssa_operands): Print out clobber stats.
886 (get_call_expr_operands): Pass callee fndecl to
888 (add_call_clobber_ops): Remove use of cache.
889 Add use of PURE_CONST information.
890 (add_call_read_ops): Remove use of cache.
891 Add use of static not_read information.
893 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
895 Introduce TLS descriptors for i386 and x86_64.
896 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
897 (TARGET_ANY_GNU_TLS): New macro.
898 (enum tls_dialect): Added TLS_DIALECT_GNU2.
899 (struct machine_function): Add tls_descriptor_call_expanded_p.
900 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
901 (ix86_current_function_calls_tls_descriptor): Likewise.
902 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
903 (override_options): Introduce gnu2 tls dialect.
904 (ix86_frame_pointer_required): Functions containing TLSCALLs are
906 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
908 (legitimize_tls_address): Adjust logic for GNU2 TLS.
909 (ix86_init_machine_status): Initialize new field.
910 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
911 (ix86_tls_module_base): New.
912 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
913 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
914 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
915 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
916 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
917 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
918 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
919 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
920 * config/i386/predicates.md (tls_modbase_operand): New.
921 (tp_or_register_operand): New.
923 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
925 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
926 (look_for_address_of): Ditto.
927 (ipa_init): Walk the function decls.
928 (static_execute): Don't set readonly on FUNCTION_DECL's.
930 2006-01-18 Roger Sayle <roger@eyesopen.com>
932 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
933 for shifts where the source and destination registers are different.
935 2006-01-18 Paul Brook <paul@codesourcery.com>
937 Merge from csl-arm-branch.
938 2005-03-14 Julian Brown <julian@codesourcery.com>
939 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
940 (aeabi_llsl): Likewise.
942 (aeabi_lasr): Likewise.
944 (aeabi_llsr): Likewise.
945 2005-03-10 Julian Brown <julian@codesourcery.com>
946 * config.gcc: Disable shared libgcc for SymbianOS.
947 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
949 2006-01-18 DJ Delorie <dj@redhat.com>
951 * c-pragma.c (handle_pragma_diagnostic): New.
952 (init_pragma): Register it.
953 * doc/extend.texi: Document it.
955 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
956 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
957 (diagnostic_context): Add classify_diagnostic[].
958 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
959 as errors if they're overridden to DK_WARNING.
960 (diagnostic_initialize): Initialize classify_diagnostic[].
961 (diagnostic_set_kind_override): New.
962 (diagnostic_report_diagnostic): Check for kind changes.
963 * opts.c (common_handle_option): Take lang_mask. Update callers.
965 * common.opt (Werror=): New.
966 * doc/invoke.texi: Document -Werror=*
968 2006-01-18 Jeff Law <law@redhat.com>
970 * tree-vrp.c (test_for_singularity): Correct test for new
971 min limit. Use operand_equal_p rather than pointer equality
972 for testing if new min/max values are equal.
974 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
975 using range information until after propagation and folding.
977 2006-01-18 Richard Henderson <rth@redhat.com>
978 Aldy Hernandez <aldyh@redhat.com>
979 Jakub Jelinek <jakub@redhat.com>
980 Diego Novillo <dnovillo@redhat.com>
982 * omp-low.c: New file.
985 2006-01-18 Richard Henderson <rth@redhat.com>
986 Jakub Jelinek <jakub@redhat.com>
987 Diego Novillo <dnovillo@redhat.com>
989 * doc/invoke.texi: Document -fopenmp.
990 * tree-dump.h (debug_function): Declare.
991 * hooks.c (hook_bool_tree_bool_false): New function.
992 (hook_tree_tree_null): Remove.
993 (hook_tree_tree_tree_null): New.
994 * hooks.h: Update to match.
995 * tree-pretty-print.c (debug_tree_chain): New.
996 (print_generic_expr): Handle TDF_CHAIN.
997 (dump_generic_node): Handle BLOCK.
998 Do not abort with incomplete SWITCH_EXPRs.
999 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1000 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1001 print space after directive name.
1002 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1003 Handle OMP_MASTER and OMP_ORDERED.
1004 Handle printing of OMP_BODY just in one place, goto
1005 dump_omp_body in the rest of OMP_* nodes that have
1007 Don't handle clause nodes here. Update omp statements to
1008 use dump_omp_clauses.
1009 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1010 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1011 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1012 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1013 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1014 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1015 Adjust output for GOMP_PARALLEL.
1016 (dump_omp_clauses): New.
1017 (print_declaration): Dump DECL_VALUE_EXPR.
1018 (op_symbol_1): Split out of op_symbol.
1019 (dumping_stmts): Remove. Update all users.
1020 * cgraph.c (cgraph_analyze_queue): New.
1021 (cgraph_add_new_function): New.
1022 * cgraph.h (cgraph_analyze_queue): Declare.
1023 (cgraph_add_new_function): Declare.
1024 (cgraph_lower_function): Remove.
1025 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1026 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1027 and TYPE_P nodes in its default clause.
1028 (empty_body_p): New.
1029 (tree_range_check_failed): New.
1031 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1032 OMP_CLAUSE_REDUCTION_MERGE,
1033 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1034 OMP_CLAUSE_PRIVATE_DEBUG,
1035 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1036 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1037 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1038 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1039 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1040 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1041 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1042 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1043 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1044 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1045 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1046 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1047 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1048 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1049 (TREE_RANGE_CHECK): New.
1050 (empty_body_p): Declare.
1051 (enum omp_clause_default_kind): New.
1052 (build_string_literal): Declare.
1053 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1054 (build5_stat, build5): Declare.
1055 * tree-pass.h (TDF_CHAIN): Define.
1056 * tree-pass.h (PROP_gimple_lomp): Define.
1057 (pass_lower_omp): Declare.
1058 * diagnostic.h (debug_tree_chain): Declare.
1059 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1061 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1062 * builtins.c (build_string_literal): Make extern.
1063 * gcc.c (include_spec_function): New.
1064 (static_spec_functions): Add it.
1065 (main): Move load of libgomp.spec ...
1066 (LINK_COMMAND_SPEC): ... here.
1067 (link_gomp_spec): New.
1068 (static_specs): Include it.
1069 (LINK_COMMAND_SPEC): Add link_gomp.
1070 (GOMP_SELF_SPECS): New.
1071 (driver_self_specs): Include it.
1072 (switch_matches): Don't mark inline.
1073 (main): Load libgomp.spec.
1074 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1075 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1076 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1077 * tree-gimple.h (enum omp_parallel): Declare.
1078 (determine_parallel_type): Declare.
1079 (omp_firstprivatize_variable): Declare.
1080 (omp_reduction_init): Declare.
1081 (diagnose_omp_structured_block_errors): Declare.
1082 (struct walk_stmt_info): Add want_return_expr.
1083 (struct walk_stmt_info): Add want_bind_expr, want_locations.
1084 (find_omp_clause): Declare.
1085 (insert_field_into_struct): Declare.
1086 (struct walk_stmt_info): Move from tree-nested.c
1087 (walk_stmts): Declare.
1088 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1090 * cgraphunit.c (cgraph_lower_function): Make static.
1091 (cgraph_finalize_pending_functions): New.
1092 (cgraph_finalize_function): Call it.
1093 (cgraph_finalize_compilation_unit): Likewise.
1094 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1095 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1096 (BT_FN_UINT_UINT): New.
1097 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1098 DEF_FUNCTION_TYPE_VAR_4): Document.
1099 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1100 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1101 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1102 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1103 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1104 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1105 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1106 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1107 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1108 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1109 into separate files.
1110 (DEF_GOMP_BUILTIN): New.
1111 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1112 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1113 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1114 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1115 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1116 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1117 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1118 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1119 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1120 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1121 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1122 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1123 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1124 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1125 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1126 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1127 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1128 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1129 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1130 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1131 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1132 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1133 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1134 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1135 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1136 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1137 * sync-builtins.def: New file, moved from builtins.def.
1138 * omp-builtins.def: New file, moved from builtins.def.
1139 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1140 * gimple-low.c (lower_function_body): Clear data.
1141 (lower_stmt): Do not handle COMPOUND_EXPR.
1142 Remove call to print_node_brief.
1143 * c-tree.h (c_finish_omp_clauses): New prototype.
1144 (C_DECL_THREADPRIVATE_P): Define.
1145 (lookup_name_no_remap, c_omp_remap_private): Remove
1146 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1147 (check_for_loop_decls): Update decl.
1148 (lookup_name_no_remap, c_omp_remap_private): Declare.
1149 (build_indirect_ref, build_modify_expr, pushdecl,
1150 pushdecl_top_level): Move to c-common.h.
1151 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1152 before the switch, but just in the 2 places that need it.
1153 * c-decl.c (diagnose_mismatched_decls): Do not check for
1154 mismatched thread-local attributes when OLDDECL is marked
1155 threadprivate and NEWDECL has no thread-local attributes.
1156 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1157 (c_gimple_diagnostics_recursively): Rename from
1158 c_warn_unused_result_recursively. Invoke
1159 diagnose_omp_structured_block_errors.
1160 (check_for_loop_decls): Return a singular decl found.
1161 * langhooks.c (lhd_omp_predetermined_sharing): Return
1162 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1163 (lhd_omp_firstprivatize_type_sizes): New.
1164 (lhd_omp_assignment): New.
1165 (lhd_omp_predetermined_sharing): New.
1166 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1167 (struct lang_hooks_for_types): Add
1168 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1169 omp_predetermined_sharing, omp_disregard_value_expr,
1170 omp_private_debug_clause, omp_clause_default_ctor,
1171 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1172 (c_finish_omp_clauses): New.
1173 (c_finish_bc_stmt): Diagnose break within omp for.
1174 (c_begin_omp_parallel, c_finish_omp_parallel): New.
1175 (build_unary_op): Return error_mark after reporting
1177 (build_modify_expr): Likewise.
1178 * gimplify.c: Include optabs.h and pointer-set.h.
1179 (enum gimplify_omp_var_data): Declare.
1180 (struct gimplify_omp_ctx): Declare.
1181 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1183 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1184 (push_gimplify_context, pop_gimplify_context): Allow nesting.
1185 (splay_tree_compare_decl_uid): New.
1186 (new_omp_context): New.
1187 (delete_omp_context): New.
1188 (gimple_add_tmp_var): Call omp_add_variable.
1189 (gimplify_bind_expr): Likewise.
1190 (gimplify_var_or_parm_decl): If omp_notice_variable returned
1191 true, disregard DECL_VALUE_EXPR on the decl if any.
1192 (gimplify_expr_in_ctx): New.
1193 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1194 omp_add_variable, omp_notice_variable, omp_is_private
1195 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1196 gimplify_adjust_omp_clauses, gimplify_omp_parallel
1197 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1198 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1199 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1200 gimplify_omp_atomic): New.
1201 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1202 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1203 OMP_CRITICAL and OMP_ATOMIC.
1204 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1205 * c-pragma.h (enum pragma_kind): Add
1206 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1207 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1208 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1209 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1210 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1211 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1212 PRAGMA_OMP_THREADPRIVATE.
1213 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1214 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1215 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1216 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1217 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1218 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1219 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1220 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1221 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1222 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1223 * tree-ssa-dce.c (find_control_dependence): Do not assume that
1224 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1225 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1227 (struct nesting_info): Add field_map,
1228 suppress_expansion, debug_var_chain.
1229 (create_nesting_tree): Initialize them.
1230 (lookup_field_for_decl): Use field_map.
1231 (get_nonlocal_debug_decl, get_local_debug_decl): New.
1232 (convert_local_omp_clauses): New.
1233 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1234 (walk_body): Split out of walk_function.
1235 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1236 (convert_nonlocal_reference): Handle omp statements.
1237 (convert_local_reference): Likewise.
1238 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1239 (unnest_nesting_tree): New.
1240 (lower_nested_functions): Call it.
1241 (insert_field_into_struct): Make extern.
1242 (struct walk_stmt_info): Move to tree-gimple.h.
1243 (walk_stmts): Make extern.
1244 * omp-builtins.def: New file.
1245 * tree-iterator.c (expr_only): Clarify comment.
1246 * c-common.h (pushdecl_top_level, pushdecl,
1247 build_modify_expr, build_indirect_ref,
1248 c_finish_omp_master, c_finish_omp_critical,
1249 c_finish_omp_ordered, c_finish_omp_barrier,
1250 c_finish_omp_atomic, c_finish_omp_flush,
1251 c_finish_omp_for, c_split_parallel_clauses,
1252 omp_clause_default_kind, c_omp_sharing_predetermined,
1253 c_omp_remap_decl): Declare.
1254 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1255 (OBJS-common): Add omp-low.o.
1256 (c-omp.o, omp-low.o): Add.
1257 (gimplify.o): Add dependency on $(OPTABS_H).
1258 (GTFILES): Add omp-low.c.
1259 (gt-stringpool.h): Add.
1260 * tree-cfg.c (set_bb_for_stmt): Do not update the
1261 block-to-labels map if we are currently expanding to RTL.
1262 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1264 Handle IDENTIFIER_NODE.
1265 (tree_verify_flow_info): Do not ICE when emitting error
1266 messages about invalid labels.
1267 (dump_function_to_file): Reset CFUN before emitting the body
1269 (debug_function): New.
1270 * passes.c (init_optimization_passes): Schedule
1272 * langhooks-def.h (lhd_omp_predetermined_sharing,
1273 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1275 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1276 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1277 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1278 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1279 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1280 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1281 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1282 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1283 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1284 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1285 (LANG_HOOK_DECLS): Use them.
1287 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1288 Richard Henderson <rth@redhat.com>
1289 Jakub Jelinek <jakub@redhat.com>
1290 Diego Novillo <dnovillo@redhat.com>
1292 * c-parser.c (pragma_omp_clause): Define.
1293 (c_parser_declaration_or_fndef): Document OpenMP syntax.
1294 (c_parser_compound_statement): Likewise.
1295 (c_parser_statement): Likewise.
1296 (c_parser_pragma): Handle omp pragmas.
1297 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1298 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1299 (c_parser_omp_clause_name, check_no_duplicate_clause,
1300 c_parser_omp_variable_list,
1301 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1302 c_parser_omp_clause_copyprivate,
1303 c_parser_omp_clause_default,
1304 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1305 c_parser_omp_clause_lastprivate,
1306 c_parser_omp_clause_nowait,
1307 c_parser_omp_clause_num_threads,
1308 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1309 c_parser_omp_clause_reduction,
1310 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1311 c_parser_omp_all_clauses, c_parser_omp_structured_block,
1312 c_parser_omp_atomic, c_parser_omp_barrier,
1313 c_parser_omp_critical, c_parser_omp_flush,
1314 c_parser_omp_for_loop, c_parser_omp_for,
1315 c_parser_omp_master, c_parser_omp_ordered,
1316 c_parser_omp_sections_scope, c_parser_omp_sections,
1317 c_parser_omp_parallel, c_parser_omp_single,
1318 c_parser_omp_construct, c_parser_omp_threadprivate): New.
1319 * c-pragma.c (init_pragma): Do omp pragma registration here.
1320 * c.opt (fopenmp): New flag.
1322 2006-01-18 Eric Christopher <echristo@apple.com>
1324 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1325 * config/darwin.h (GOMP_SELF_SPECS): Define.
1327 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1329 * rtl.h: Remove the prototype for reg_alloc.
1331 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1334 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1335 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1336 sjlj and dwarf2 exception handling.
1337 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1338 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1339 * pa/pa.c (function_value): Treat complex and vector types as
1341 (function_arg): Likewise. Only pass scalar floats in the floating
1342 point argument registers.
1343 * pa/t-slibgcc-dwarf-ver: New file.
1344 * pa/t-slibgcc-sjlj-ver: New file.
1345 * pa/t-slibgcc-elf-ver: Delete file.
1347 2006-01-19 Alan Modra <amodra@bigpond.net.au>
1349 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1350 unlikely_test_section_p test.
1352 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1354 * mode-switching.c (optimize_mode_switching): Make it static.
1355 * basic-block.h: Remove the prototype for
1356 optimize_mode_switching.
1358 * modulo-sched.c (sms_schedule): Make it static.
1359 * rtl.h: Remove the prototype for sms_schedule.
1361 * postreload-gcse.c (gcse_after_reload_main): Make it static.
1362 * rtl.h: Remove the prototype for gcse_after_reload_main.
1364 * reg-stack.c (reg_to_stack): Make it static.
1365 * rtl.h: Remove the prototype for reg_to_stack.
1367 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1369 * rtl.h: Remove the prototypes for regrename_optimize and
1370 copyprop_hardreg_forward.
1372 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
1374 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1375 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
1376 Test against the appropriate null constant for the mode.
1377 If 'fixup_overlap' is true, swap the operands if they overlap.
1378 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1379 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1380 alpha_split_tmode_pair and adjust for above change.
1381 * config/alpha/alpha.md (movtf_internal): Adjust call to
1382 alpha_split_tfmode_pair and rely on it to swap the operands.
1383 (movti_internal): New insn and post-reload splitter.
1384 (movti): New expander.
1386 2006-01-18 Philippe De Muyter <phdm@macqel.be>
1388 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1391 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1393 * rtlanal.c (global_reg_mentioned_p_1,
1394 global_reg_mentioned_p): Remove.
1395 * rtl.h: Remove the prototype for global_reg_mentioned_p.
1397 * flow.c (initialize_uninitialized_subregs): Make it static.
1398 * rtl.h: Remove the prototype for
1399 initialize_uninitialized_subregs.
1401 * function.c (instantiate_virtual_regs): Make it static.
1402 * function.h: Remove the prototype for
1403 instantiate_virtual_regs.
1405 * regmove.c (regmove_optimize, combine_stack_adjustments):
1407 * rtl.h: Remove the prototypes for regmove_optimize and
1408 combine_stack_adjustments.
1410 2006-01-17 Roger Sayle <roger@eyesopen.com>
1412 * config/i386/i386.c (COSTS_N_BYTES): New macro.
1413 (size_cost): Encode costs in bytes so that a reg-reg addition is
1414 equivalent to COSTS_N_INSNS(1).
1415 (override_options): Use the size_cost.branch_cost as the default
1416 ix86_branch_cost when optimizing for size.
1418 2006-01-18 Ben Elliston <bje@au.ibm.com>
1420 * Makefile.in (D32PBIT_FUNCS): New.
1421 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
1422 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
1423 D64PBIT_FUNCS and D128PBIT_FUNCS.
1424 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
1425 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
1427 (decnumber_dep): Define.
1428 * doc/libgcc.texi (Decimal float library routines): New node.
1429 * config/dfp-bit.h, config/dfp-bit.c: New files.
1431 2006-01-18 Ben Elliston <bje@au.ibm.com>
1433 * expr.c (emit_move_change_mode): Always adjust addresses, not
1434 just during reload. Copy replacements only during reload.
1435 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
1436 emit_move_via_integer.
1438 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
1440 * Makefile.in (check-%, check-consistency): Use $${srcdir}
1441 instead of $(srcdir) and ${srcdir}.
1443 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
1447 * arm.h (struct machine_function): Add pic_reg.
1448 * arm.c (arm_pic_register): Make unsigned.
1449 (arm_override_options): Only set arm_pic_register if
1450 TARGET_SINGLE_PIC_BASE.
1451 (use_return_insn): Only test for a pic register if it is fixed.
1452 (arm_compute_save_reg0_reg12_mask): Likewise.
1453 (thumb_compute_save_reg_mask): Likewise.
1454 (legitimate_pic_operand): Factor out some known invariants.
1455 (legitimize_pic_address): If we don't have a fixed pic register,
1456 then set up a pseudo in the function entry sequence. Handle the
1457 pic base being in a pseudo.
1458 (arm_load_pic_register): Handle the pic register being in a pseudo.
1459 (arm_expand_prologue): Only set up the pic register if it is fixed.
1460 (thumb_expand_prologue): Likewise.
1461 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
1462 (pic_load_addr_based_insn): Likewise.
1463 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
1466 2006-01-18 Ben Elliston <bje@au.ibm.com>
1468 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
1469 decimal float modes for all floating point registers.
1471 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
1472 match_code "mem" with match_test "macho_lo_sum_memory_operand".
1474 2006-01-17 Jakub Jelinek <jakub@redhat.com>
1477 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
1478 even when the pointer is not NULL.
1480 2006-01-16 Ian Lance Taylor <ian@airs.com>
1482 * common.opt (ftoplevel-reorder): New option.
1483 * cgraph.c (cgraph_asm_nodes): New global variable.
1484 (cgraph_asm_last_node): New static variable.
1485 (cgraph_order): New global variable.
1486 (cgraph_create_node): Set new order field.
1487 (cgraph_varpool_node): Likewise.
1488 (decide_is_variable_needed): Return true if not
1489 flag_toplevel_reorder.
1490 (cgraph_add_asm_node): New function.
1491 * cgraph.h (struct cgraph_node): Add order field.
1492 (struct cgraph_varpool_node): Add order field.
1493 (struct cgraph_asm_node): Define.
1494 (cgraph_asm_nodes, cgraph_order): Declare.
1495 (cgraph_add_asm_node): Declare.
1496 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
1498 (cgraph_varpool_assemble_pending_decls): Call it.
1499 (cgraph_output_pending_asms): New static function.
1500 (cgraph_finalize_compilation_unit): Call it.
1501 (struct cgraph_order_sort): Define.
1502 (cgraph_output_in_order): New static function.
1503 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
1504 !flag_toplevel_reorder case.
1505 * c-parser.c: Include "cgraph.h".
1506 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
1508 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
1509 than -fno-unit-at-a-time.
1510 * doc/invoke.texi (Option Summary): Mention
1511 -fno-toplevel-reorder.
1512 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
1513 -funit-at-a-time documentation.
1515 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
1516 Kazu Hirata <kazu@codesourcery.com>
1518 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
1520 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
1522 * Makefile.in (FUNCTION_H): New. Use it instead of
1523 function.h throughout the file.
1524 * function.h: Include tree.h.
1526 2006-01-17 Ben Elliston <bje@au.ibm.com>
1528 * recog.c: Separate some functions with whitespace.
1530 2006-01-16 Richard Henderson <rth@redhat.com>
1532 Merge from gomp branch:
1533 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
1534 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
1535 and rename from struct inline_data. Rename callee* to dst*;
1536 caller* to src*; add copy_decl hook, transform_call_graph_edges,
1537 transform_new_cfg, transform_return_to_modify, and
1538 transform_lang_insert_block flags; remove cloning_p, versioning_p,
1540 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
1541 (copy_decl_for_dup): Remove.
1542 * tree-inline.c (struct inline_data): Move to header.
1543 (insert_decl_map): Export.
1544 (remap_decl): Update for member name changes. Use copy_decl hook.
1545 Allow for replacement to be a non-decl. Remove dead code.
1546 (remap_type_1): Check for existing mapping.
1547 (remap_type): Export.
1548 (remap_decls): Update for member name changes.
1549 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
1550 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
1551 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
1552 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
1553 (tree_function_versioning, build_duplicate_type): Likewise.
1554 (copy_body_r): Likewise. Export.
1555 (copy_decl_for_dup): Split into ...
1556 (copy_decl_for_dup_finish, copy_decl_to_var,
1557 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
1558 (replace_ref_tree, inlining_p): Remove.
1560 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1562 * ifcvt.c (if_convert): Make it static.
1563 * rtl.h: Remove the prototype for if_convert.
1565 * local-alloc.c (local_alloc): Make it static.
1566 * rtl.h: Remove the prototype for local_alloc.
1568 * loop.c (loop_optimize): Make it static.
1569 * cfgloop.h: Remove the prototype for loop_optimize.
1572 2006-01-16 DJ Delorie <dj@redhat.com>
1574 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
1577 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1579 * pa.md: Disparage copies between general and floating-point registers
1580 in 32-bit move patterns.
1582 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
1585 * Makefile.in (check-%): Depend on site.exp instead of
1586 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
1589 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1591 * global.c (global_alloc): Make it static.
1592 * rtl.h: Remove the prototype for global_alloc.
1594 2006-01-16 Richard Guenther <rguenther@suse.de>
1596 * tree-ssa-alias.c (struct used_part): Add write_only field.
1597 (get_or_create_used_part_for): Initialize it to true.
1598 (create_overlap_variables_for): Don't create structure variables
1599 for structures that only are written to.
1600 (find_used_portions): Handle MODIFY_EXPR to track whether a
1601 structure is only written to.
1603 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1605 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
1607 * basic-block.h: Remove the prototype for
1608 partition_hot_cold_basic_blocks.
1610 2006-01-16 Rafael Ãvila de EspÃndola <rafael.espindola@gmail.com>
1612 * cppspec.c (lang_specific_spec_functions): remove
1613 * gcc.c (lookup_spec_function): use static_spec_functions directelly
1614 * gcc.h (lang_specific_spec_functions): remove
1615 * gccspec.c (lang_specific_spec_functions): remove
1617 2005-01-16 Paolo Bonzini <bonzini@gnu.org>
1619 * combine.c (record_value_for_reg): Invalidate registers
1621 (record_dead_and_set_regs_1): Likewise, by passing them to
1622 record_value_for_reg.
1623 (record_dead_and_set_regs): Invalidate stores made by a
1624 call. We do not combine across a call, but we still
1625 relied on equivalences.
1627 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1629 * tree-vrp.c (extract_range_from_binary_expr): Cope with
1630 vrp_int_const_binop returning non-constant nodes.
1632 2006-01-16 Paul Brook <paul@codesourcery.com>
1634 * config/m68k/m68k.c (output_move_const_into_data_reg):
1635 Output correct mnemonic for mvz and mvs.
1637 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
1639 * rtl-factoring.c: Add sequence abstraction algorithm.
1640 * cfgcleanup.c (outgoing_edges_match): Extra checks.
1641 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
1643 (block_has_preserve_label): New function.
1644 * common.opt: Register new pass.
1645 * Makefile.in: Ditto.
1647 * timevar.def: Ditto.
1648 * tree-pass.h: Ditto.
1649 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
1650 * rtl.h (make_jump_insn_raw): Add forward decl.
1651 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
1653 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1654 Roger Sayle <roger@eyesopen.com>
1656 * fold-const.c (fold_minmax): New static function.
1657 (fold_binary) <MIN_EXPR>: Call it.
1658 <MAX_EXPR>: Likewise.
1659 * stor-layout.c (place_field): Use DECL_SIZE consistently
1660 in the computation of the new record size.
1662 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1664 * cse.c (cse_condition_code_reg): Make it static.
1665 * rtl.h: Remove the prototype for cse_condition_code_reg.
1667 * combine.c (combine_instructions): Make it static.
1668 * rtl.h: Remove the prototype for combine_instructions.
1670 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1673 * tree.c (get_file_function_name_long): Concatenate the first global
1674 object name with a string derived from the input filename of the object
1677 2006-01-16 Ben Elliston <bje@au.ibm.com>
1679 * config/i386/winnt-stubs.c: Update FSF address.
1680 * config/xtensa/ieee754-df.S: Ditto.
1681 * config/xtensa/ieee754-sf.S: Ditto.
1683 2006-01-14 Ian Lance Taylor <ian@airs.com>
1685 * ifcvt.c (noce_init_if_info): New static function, broken out of
1686 noce_process_if_block.
1687 (noce_process_if_block): Call noce_init_if_info.
1688 (check_cond_move_block): New static function.
1689 (cond_move_process_if_block): New static function.
1690 (process_if_block): Call cond_move_process_if_block.
1692 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
1694 * cselib.c (hash_table): Rename to cselib_hash_table.
1695 (cselib_clear_table, discard_useless_values,
1696 remove_useless_values, cselib_lookup_mem, cselib_lookup,
1697 cselib_init, cselib_finish): Adjust uses of hash_table.
1699 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
1701 PR tree-optimization/25485
1702 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
1703 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
1704 is known to be false and true, respectively.
1706 2006-01-14 Richard Guenther <rguenther@suse.de>
1708 PR tree-optimization/22548
1709 PR tree-optimization/22555
1710 PR tree-optimization/22501
1711 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
1712 * params.def (salias-max-array-elements): New parameter.
1713 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
1714 * doc/invoke.texi (salias-max-array-elements): Document.
1715 * tree-flow-inline.h (var_can_have_subvars): We also handle
1717 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
1719 * tree-ssa-structalias.c (params.h): Include.
1720 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
1721 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
1722 (get_constraint_for): For ADDR_EXPR operating on something
1723 containing an ARRAY_REF, add all subvars to the solution.
1724 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
1725 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
1726 for creating MUST_DEFs.
1727 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
1729 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
1731 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
1733 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
1734 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1735 number_of_iterations_le): New functions.
1736 (number_of_iterations_special): Removed.
1737 (number_of_iterations_exit): Do not use number_of_iterations_special.
1738 * tree.c (unsigned_type_for): Always return integer type.
1740 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
1741 Richard Guenther <rguenther@suse.de>
1743 PR rtl-optimization/24257
1744 * gcse.c (find_moveable_store): Only consider a store movable
1745 when the SET_SRC of the insn can be assigned to a register.
1747 2006-01-14 Ian Lance Taylor <ian@airs.com>
1749 * tree.c (tree_not_class_check_failed): New function.
1750 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
1751 (tree_not_class_check_failed): Declare.
1753 2006-01-13 Ian Lance Taylor <ian@airs.com>
1755 * reload1.c (do_output_reload): Add assertion rejecting a
1758 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
1760 * combine.c (struct reg_stat): Add new fields truncation_label and
1762 (record_value_for_reg): Reset truncated_to_mode.
1763 (record_truncated_value): New function.
1764 (check_promoted_subreg): Call it. Rename to check_conversions.
1765 (combine_instructions): Rename check_promoted_subreg to
1767 (reg_truncated_to_mode): New function.
1768 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
1769 (gen_lowpart_or_truncate): New function.
1770 (force_to_mode): Use it instead of gen_lowpart.
1772 2006-01-13 Diego Novillo <dnovillo@redhat.com>
1774 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
1775 VAR is a tag, not its type tag.
1777 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
1779 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
1780 alternatives to match style of other entries.
1781 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
1783 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
1785 PR tree-optimization/25771
1786 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
1789 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
1792 * tree-inline.c (declare_return_variable): If the return variable
1793 was marked as a non gimple complex, set the return slot variable
1794 to be a non gimple comple variable.
1796 2006-01-13 Richard Guenther <rguenther@suse.de>
1798 * builtins.c (expand_builtin_sincos): New function.
1799 (expand_builtin_mathfn_3): Remove dead code, sin and cos
1801 (expand_builtin): Expand sincos using expand_builtin_sincos.
1803 2006-01-12 DJ Delorie <dj@redhat.com>
1805 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
1806 shift counts, separate SI shifts for m32c vs m16c, pass shift type
1807 so that constant shifts can be split.
1808 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
1809 (m32c_valid_pointer_mode): Make static.
1810 (shift_gen_func_for): New.
1811 (m32c_prepare_shift): Use it. Split large const shifts into
1813 * config/m32c/predicates.md (shiftcount_operand): Allow more
1815 (longshiftcount_operand): New.
1816 * doc/md.texi (Machine Constraints): Document In6.
1818 2006-01-13 Ben Elliston <bje@au.ibm.com>
1820 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
1821 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
1824 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
1826 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
1827 to try to avoid clobbering pieces of structures when we know
1828 something about the whole structure.
1829 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
1831 2006-01-13 Ben Elliston <bje@au.ibm.com>
1833 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
1834 return in memory, as this is no limitation is no longer present.
1836 2006-01-12 DJ Delorie <dj@redhat.com>
1838 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
1839 mova with fb, and for fb+0 -> An.
1841 * config/m32c/mov.md (peephole2): Fix enabling logic.
1843 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
1844 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
1845 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
1846 FINI_ARRAY_SECTION_ASM_OP): Define.
1848 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
1850 (m32c_legitimize_reload_address): New logic to reload FB to An.
1851 (m32c_output_reg_push): Add newline.
1852 (m32c_output_reg_pop): Likewise.
1854 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
1856 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
1858 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
1860 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
1862 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1864 * config/sh/predicates.md (sh_rep_vec): Add parallel to
1867 2006-01-11 Ben Elliston <bje@au.ibm.com>
1869 * rtlanal.c (find_reg_note): Assert insn is not null.
1871 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
1873 * df-scan.c (df_hard_reg_init): Move declaration of i outside
1876 2006-01-11 Jeff Law <law@redhat.com>
1878 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
1880 (mark_threaded_blocks, register_jump_thread): New functions.
1881 (thread_through_all_blocks): Remove unwanted argument. No
1882 longer rely on e->aux to communicate thread target info.
1883 Call mark_threaded_blocks. Release the threaded_blocks
1884 bitmap and threaded_edges vector when complete.
1885 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
1886 (threaded_blocks): Remove.
1887 (tree_ssa_dominator_optimize): Remove initialization and
1888 finalization of threaded_blocks. Simplify call to
1889 thread_through_all_blocks.
1890 (thread_across_edge): Call register_jump_thread rather than
1891 storing thread information into e->aux.
1892 (free_all_edge_infos): Simplify now that e->aux is no longer
1893 used to communicate with thread_through_all_blocks.
1894 * tree-flow.h (thread_through_all_blocks): Update prototype.
1895 (register_jump_thread): Prototype.
1897 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1899 * df-core.c (df_compact_blocks, df_bb_replace): Use
1900 SET_BASIC_BLOCK instead of BASIC_BLOCK.
1902 2006-01-11 Richard Guenther <rguenther@suse.de>
1904 PR tree-optimization/25734
1905 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
1906 stop propagation after successful propagation to the LHS.
1908 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1910 * basic-block.h (control_flow_graph): Change the type of
1911 x_basic_block_info to VEC(basic_block,gc) *.
1912 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
1914 (SET_BASIC_BLOCK): New.
1915 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
1916 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
1917 * cfgbuild.c (find_basic_blocks): Likewise.
1918 * cfglayout.c (fixup_reorder_chain): Likewise.
1919 * cfgrtl.c (create_basic_block_structure,
1920 rtl_create_basic_block): Likewise.
1921 * ifcvt.c (find_if_case_1): Likewise.
1922 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
1925 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
1927 * Makefile.in: Removed rotted odf.c entry.
1929 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
1932 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
1933 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
1934 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
1935 output pattern modifier, not %e.
1936 * config/cris/cris.c (cris_op_str): Update comment about pattern
1938 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
1939 before falling through into...
1940 <case 'E'>: Redefined from old 'e' case.
1942 2006-01-11 Jan Hubicka <jh@suse.cz>
1945 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
1947 2006-01-11 Jan Hubicka <jh@suse.cz>
1949 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
1950 * i386.c (x86_decompose_lea): Kill.
1951 (ix86_rtx_costs): Kill.
1953 2006-01-11 Jan Hubicka <jh@suse.cz>
1955 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
1956 * cgraph.h (cgraph_node): Add inline_decl.
1957 (cgraph_insert_node_to_hashtable): Declare.
1958 (save_inline_function_body): Declare.
1959 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
1961 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
1962 (cgraph_function_versioning): Update call of tree_function_versioning.
1963 (save_inline_function_body): New function.
1964 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
1965 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
1966 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
1967 (cgraph_default_inline_p): Likewise.
1968 (cgraph_decide_inlining_incrementally): Likewise.
1969 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
1970 (copy_bb): Kill saving; do updating of clones.
1971 (copy_cfg_body): Kill saving.
1972 (initialize_inlined-parameters): Likewise.
1973 (expand_call_inline): Likewise.
1975 (tree_function_versioning): New parameter "update_clones".
1976 (inlining_p): Kill saving.
1977 * tree-inline.h (tree_function_versioning): Update prototype.
1978 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
1981 2006-01-11 Ian Lance Taylor <ian@airs.com>
1983 * combine.c (struct undo): Remove is_int. Enumify types of undos.
1984 Allow undoing set of machine mode.
1985 (do_SUBST): Use enums instead of is_int.
1986 (do_SUBST_MODE): New function.
1987 (SUBST_MODE): New macro.
1988 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
1989 reg and trying to replace reg_regno_rtx with a new register.
1990 (undo_all): Use new enums, handle undoing a PUT_MODE change.
1991 (simplify_set): Use SUBST_MODE.
1992 (distribute_notes): Remove code that tried to update reg notes
1993 for regno_reg_rtx changes.
1995 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
1997 PR tree-optimization/23109
1998 PR tree-optimization/23948
1999 PR tree-optimization/24123
2001 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2002 * tree-cfg.c (single_noncomplex_succ): New.
2003 * tree-flow.h (single_noncomplex_succ): Declare it.
2004 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2005 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2006 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2007 insert_bb, register_division_in, insert_reciprocals,
2008 replace_reciprocal, free_bb): New.
2009 (execute_cse_reciprocals_1): Rewritten.
2010 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2011 Do not commit any edge insertion. Always compute dominators and
2012 create the allocation pool.
2013 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2014 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2015 * targhooks.c (default_min_divistions_for_recip_mul): New.
2016 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2017 * passes.c (init_optimization_passes): Run recip after tree loop
2019 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2021 2005-01-11 Danny Berlin <dberlin@dberlin.org>
2022 Kenneth Zadeck <zadeck@naturalbridge.com>
2024 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2025 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2026 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2027 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2028 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2029 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2030 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2031 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2032 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2033 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2034 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2035 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2036 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2037 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2038 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2039 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2040 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2041 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2042 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2043 DF_SCAN_POST_ALLOC): New macros.
2044 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2045 df_free_bb_function, df_local_compute_function, df_init_function,
2046 df_dataflow_function, df_confluence_function_0,
2047 df_confluence_function_n, df_transfer_function,
2048 df_finalizer_function, df_free_function, df_dump_problem_function,
2049 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2050 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2051 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2052 df_urec_bb_info, ) New types.
2053 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2055 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2056 df_analyze_simple_change_some_blocks,
2057 df_analyze_simple_change_one_block, df_compact_blocks,
2058 df_bb_replace, df_bb_regno_last_use_find,
2059 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2060 df_insn_regno_def_p, df_find_def, df_find_use,
2061 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2062 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2063 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2064 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2065 debug_df_chain, df_get_dependent_problem, df_chain_create,
2066 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2067 df_grow_bb_info, df_chain_dump, df_print_bb_index,
2068 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2069 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2070 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2071 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2072 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2073 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2074 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2075 df_ref_remove, df_insn_refs_delete, df_refs_delete,
2076 df_reorganize_refs, df_set_state, df_hard_reg_init,
2077 df_read_modify_subreg_p) New public functions.
2078 * df-core.c: The core dataflow solver and glue routines for rtl
2080 (df_init, df_add_problem, df_set_blocks, df_finish,
2081 df_hybrid_search_forward, df_hybrid_search_backward,
2082 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2083 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2084 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2085 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2086 df_reg_defined, df_find_use, df_reg_used, df_dump,
2087 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2088 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2089 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2090 debug_df_useno, reset_df_after_reload): New functions.
2091 * df-scan.c: The scanning fuctions, once in df.c, completely
2092 rewritten so that they now fully model the functionality of
2093 register usage at the backend.
2094 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2095 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2096 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2097 df_grow_insn_info, df_rescan_blocks, df_ref_create,
2098 df_get_artificial_defs, df_get_artificial_uses,
2099 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2100 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2101 df_refs_delete, df_reorganize_refs, df_set_state,
2102 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2103 df_def_record_1, df_defs_record, df_uses_record,
2104 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2105 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2106 df_record_exit_block_uses, df_hard_reg_init): New functions.
2108 * df-problems.c: Seven concrete dataflow problems that use the
2109 scanning in df-scan.c and are solved by the engine in df-core.c.
2110 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2111 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2112 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2113 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2114 df_ru_free_bb_info, df_ru_alloc,
2115 df_ru_bb_local_compute_process_def,
2116 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2117 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2118 df_ru_transfer_function, df_ru_free, df_ru_dump,
2119 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2120 df_rd_free_bb_info, df_rd_alloc,
2121 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2122 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2123 df_rd_transfer_function, df_rd_free, df_rd_dump,
2124 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2125 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2126 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2127 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2128 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2129 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2130 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2131 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2132 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2133 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2134 df_urec_mark_reg_change, df_urec_check_earlyclobber,
2135 df_urec_mark_reg_use_for_earlyclobber,
2136 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2137 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2138 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2139 df_urec_dump, df_urec_add_problem, df_chain_alloc,
2140 df_chain_create_bb_process_use, df_chain_create_bb,
2141 df_chain_finalize, df_chain_free, df_chains_dump,
2142 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2143 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2144 df_reg_lifetime): New functions.
2145 * df.c: Deleted file.
2146 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2147 consistent with new df api.
2148 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2149 rest_of_handle_sms): Ditto.
2150 * web.c (unionfind_union, union_defs, entry_register, web_main):
2152 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2153 invariant_expr_equal_p, find_defs, check_dependencies,
2154 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2155 free_inv_motion_data, move_loop_invariants): Ditto.
2156 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2157 Update dependencies.
2158 (odf.c): Added defective entry that was deleted later in day.
2159 * sched-deps.c (sched_analyze_1): Ditto.
2161 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
2163 * tree-ssa-operands.c (get_expr_operands): Record addressable
2164 variables directly. Do not call add_stmt_operands for CONST_DECLs
2166 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2167 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2169 2006-01-11 Ben Elliston <bje@au.ibm.com>
2171 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2172 function returns true in the positive case.
2174 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2177 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2178 for SI, DI, SF and DF modes. Add alternatives to copy between
2179 general and floating point registers to the 32-bit patterns.
2180 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2181 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2182 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2183 generating 64-bit code.
2184 * config/pa/pa.c (output_move_double): Handle copies between general
2185 and floating registers.
2187 2006-01-10 Stuart Hastings <stuart@apple.com>
2189 * config/i386/i386.md (set_got): Update.
2190 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
2191 (builtin_setjmp_receiver): Mach-O support.
2192 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2193 (GOT_SYMBOL_NAME): Define.
2194 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2195 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2196 * config/i386/i386.c (override_options): Revise for Darwin.
2197 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
2198 support. (darwin_x86_file_end): New. (output_set_got): Add label
2199 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
2200 * config/i386/i386-protos.h (output_set_got): Likewise.
2201 * config/darwin.c (machopic_legitimize_pic_address): Update
2204 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
2206 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2207 when MODE isn't BLKmode.
2209 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2211 PR rtl-optimization/25367
2212 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2214 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
2217 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2218 for a negative bound.
2220 2006-01-10 Richard Guenther <rguenther@suse.de>
2222 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2223 Never override with anything constraint.
2225 2006-01-10 Jan Beulich <jbeulich@novell.com>
2227 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2228 256 bits when optimize_size.
2230 2006-01-10 Jan Beulich <jbeulich@novell.com>
2232 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2234 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2235 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2238 2006-01-10 Ben Elliston <bje@au.ibm.com>
2240 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2242 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2243 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2244 (USE_FP_FOR_ARG): Reject decimal float modes.
2245 (function_arg_advance): Likewise.
2246 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2247 (rs6000_handle_altivec_attribute): Do not permit decimal floating
2248 point types in AltiVec vectors.
2249 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2250 (rs6000_libcall_value): Likewise.
2252 2006-01-09 Bob Wilson <bob.wilson@acm.org>
2254 * config/xtensa/ieee754-df.S: New file.
2255 * config/xtensa/ieee754-sf.S: New file.
2256 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2257 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2258 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2260 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
2262 * config/sh/predicates.md (binary_float_operator,
2263 binary_logical_operator, commutative_float_operator,
2264 equality_comparison_operator, greater_comparison_operator,
2265 less_comparison_operator, logical_operator,
2266 noncommutative_float_operator, shift_operator,
2267 symbol_ref_operand, unary_float_operator): Remove redundant
2270 2006-01-09 Jeff Law <law@redhat.com>
2272 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2273 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
2274 now unused arguments. Callers updated.
2275 (eliminate_redundant_computations): Remove now unused arguments,
2277 (local_fold): Remove, no longer used.
2278 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2280 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2281 (simplify_cond): New function.
2282 (forward_propagate_into_cond): Call simplify_cond.
2284 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
2286 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2287 (*vec_extractv2di_1_sse): New.
2289 2006-01-09 Ben Elliston <bje@au.ibm.com>
2291 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2293 2006-01-08 Richard Guenther <rguenther@suse.de>
2295 * tree-ssa-structalias.c (get_constraint_for): Remove
2297 (get_constraint_for_component_ref): Likewise.
2298 (do_deref): Likewise.
2299 (get_constraint_for): Likewise.
2300 (do_structure_copy): Likewise.
2301 (handle_ptr_arith): Likewise.
2302 (find_func_aliases): Likewise. Remove unused need_anyoffset
2305 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
2306 Kaz Kojima <kkojima@gcc.gnu.org>
2308 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2309 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2310 (EXTRA_CONSTRAINT_C16): Remove.
2311 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2312 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2313 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2314 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2315 constants of SHmedia. Handle nested constant expressions of
2317 (andcosts): Fix the costs for SHmedia constants.
2318 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2319 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2320 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2321 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2322 (movv4hi_i, movv2si_i): Likewise.
2323 (movsi_const): Adjust the second operand of ior so to match with
2325 (movdi_const, movdi_const_32bit): Likewise.
2326 (movdi_const_16bit+1): Don't sign-extend LOW.
2327 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
2329 (*double_shori): Fix the split condition. Use GEN_INT instead
2330 of get_int_mode calls. Mask lower 16-bit of the argument of
2332 (sym2GOTPLT): Remove.
2333 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2335 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2336 instead of EXTRA_CONSTRAINT_C16.
2338 2006-01-07 Ian Lance Taylor <ian@airs.com>
2339 David Edelsohn <edelsohn@gnu.org>
2341 PR rtl-optimization/25662
2342 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2343 for constant operands instead of simplify_gen_binary.
2344 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2345 after trying simplify_binary_operation
2347 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
2349 * tree.c (iterative_hash_expr): Hash decls based on UID.
2351 2006-01-06 Eric Christopher <echristo@apple.com>
2353 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2354 (TARGET_UNWIND_EMIT): Fix spelling.
2355 * target.h (gcc_target): Add except_table_label.
2356 * except.c (output_function_exception_table): Use.
2357 * varasm.c (default_emit_except_table_label): New.
2358 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2360 (asm_out): Add here.
2361 * output.h (default_emit_except_table_label): Prototype.
2362 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2363 * config/darwin.c (darwin_emit_except_table_label): Define.
2364 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2366 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
2368 PR tree-optimization/18527
2369 * tree-ssa-loop-niter.c (number_of_iterations_cond,
2370 number_of_iterations_special, number_of_iterations_exit):
2371 Move base and step of an iv to a single structure. Add
2372 no_overflow flag, and use it in # of iterations analysis.
2373 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2374 folded_casts argument.
2375 (simple_iv): Pass base and step in a structure. Set no_overflow
2377 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2378 Evaluate expensiveness of computing # of iterations instead of
2379 the final expression.
2380 * tree-scalar-evolution.h (affine_iv): New structure.
2381 (simple_iv): Declaration changed.
2382 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2383 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2384 find_givs_in_stmt): Changed due to simple_iv change.
2386 2006-01-06 Jeff Law <law@redhat.com>
2389 * tree-cfg.c (bsi_replace): Rename final argument from
2390 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
2391 change (stmt -> orig_stmt).
2392 * tree-eh.c (verify_eh_throw_stmt_node): New function.
2393 (bsi_remove): Add new argument. Remove EH information
2395 (verify_eh_throw_table_statements): New function.
2396 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
2398 * tree-optimize.c (execute_free_cfg_annotations): Verify
2399 the EH throw statement table after removing annotations.
2400 * except.h (verify_eh_throw_table_statements): Prototype.
2401 * tree-flow.h (bsi_remove): Update prototype.
2402 * tree-vrp.c (remove_range_assertions): Add new argument to
2404 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2405 * tree-complex.c (expand_complex_div_wide): Likewise.
2406 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2407 * tree-tailcall.c (eliminate_tailcall): Likewise.
2408 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2409 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2410 * tree-nrv.c (tree_nrv): Likewise.
2411 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
2412 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
2413 (combine_blocks): Likewise.
2414 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
2415 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
2416 (cleanup_control_flow): Likewise.
2417 (remove_forwarder_block): Likewise.
2418 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2419 * tree-sra.c (sra_replace): Likewise.
2420 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
2421 (forward_propagate_single_use_vars): Likewise.
2422 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2423 * tree-inline.c (expand_call_inline): Likewise.
2424 * tree-vect-transform.c (vect_transform_loop): Likewise.
2425 * tree-outof-ssa.c (rewrite_trees): Likewise.
2426 * tree-cfg.c (make_goto_expr_edges): Likewise.
2427 (cleanup_dead_labels): Likewise.
2428 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
2429 (bsi_move_before, bsi_move_after): Likewise.
2430 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
2431 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
2433 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
2436 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
2438 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
2439 on non gimple variables. Also add checks at the top for decls and
2441 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
2443 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
2444 and IMAGPART_EXPR for creating MUST_DEFs.
2445 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
2446 and NAME_MEMORY_TAG separately from the DECLs.
2448 2006-01-06 Richard Guenther <rguenther@suse.de>
2450 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
2451 annotation, if necessary.
2452 * tree-ssa-pre.c (create_expression_by_pieces): Remove
2453 redundant calls to update_stmt.
2454 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
2457 2006-01-05 Richard Henderson <rth@redhat.com>
2459 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
2461 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2463 * c-typeck.c: Update copyright date.
2465 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2467 * c-typeck.c (build_c_cast): Always warn when casting
2468 from a pointer to an integer of different size, even if
2469 the node was constant.
2471 2006-01-05 Richard Guenther <rguenther@suse.de>
2473 PR tree-optimization/22555
2474 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
2475 if one structure field is an array.
2476 * tree-ssa-operands.c (get_expr_operands): Continue scanning
2477 operands even if we found a subvar, but ignore VOPs in this
2479 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
2481 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
2483 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
2486 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
2488 2006-01-05 Richard Guenther <rguenther@suse.de>
2489 Diego Novillo <dnovillo@redhat.com>
2491 * tree-pass.h (TODO_remove_unused_locals): Define.
2492 * gimple-low.c (expand_var_p, remove_useless_vars,
2493 pass_remove_useless_vars): Remove. Update all users.
2494 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
2495 (remove_unused_locals): New function.
2496 * tree-flow.h (remove_unused_locals): Declare.
2497 * passes.c (execute_todo): Call remove_unused_locals if
2498 TODO_remove_unused_locals is set.
2499 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
2500 * tree-ssa-dce.c (pass_dce): Likewise.
2501 * tree-outof-ssa.c (pass_del_ssa): Likewise.
2503 2006-01-05 Richard Guenther <rguenther@suse.de>
2505 * tree-flow.h (struct fieldoff): Decompose field to
2506 type, size and decl.
2507 * tree-ssa-alias.c (create_sft): Take type as parameter.
2508 (create_overlap_variables_for): Store type, size and decl
2509 in the fieldoff structure.
2510 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
2512 (push_fields_onto_fieldstack): Likewise.
2513 (create_variable_info_for): Likewise. Use offset for the
2514 SFT name if the decl is not available.
2516 2006-01-04 Paul Brook <paul@codesourcery.com>
2518 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
2520 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
2522 * lambda-code.c (can_put_in_inner_loop): Relax
2524 (can_put_after_inner_loop): New function.
2525 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
2526 (perfect_nestify): Change to make copies and modify uses.
2528 2006-01-04 Richard Henderson <rth@redhat.com>
2530 Merge from gomp branch:
2531 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
2532 via integer constant.
2533 (pragma_lex): Remove.
2534 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
2535 rather than parsing it.
2536 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
2537 handle_pragma_extern_prefix): Add %< %> quotes.
2538 (registered_pragmas): New.
2539 (c_register_pragma_1): New.
2540 (c_register_pragma): Use it.
2541 (c_register_pragma_with_expansion): Likewise.
2542 (c_invoke_pragma_handler): New.
2543 (init_pragma): Use cpp_register_deferred_pragma directly for
2545 * c-pragma.h (enum pragma_kind): New.
2546 (pragma_handler): New.
2547 (c_invoke_pragma_handler): Declare.
2548 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
2550 * c-common.h (c_common_pch_pragma): Update decl.
2551 * Makefile.in (c-parser.o): Update dependencies.
2552 (GTFILES): Add c-pragma.h.
2553 * c-parser.c (struct c_token): Add pragma_kind.
2554 (struct c_parser): Add in_pragma.
2555 (c_lex_one_token): Always initialize keyword and pragma_kind.
2556 Extract data for CPP_PRAGMA.
2557 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
2558 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
2559 Don't allow CPP_PRAGMA_EOL if in_pragma.
2560 (c_parser_consume_pragma): New.
2561 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
2562 (c_parser_skip_to_end_of_parameter): Likewise.
2563 (c_parser_skip_to_end_of_block_or_statement): Likewise.
2564 (c_parser_skip_to_pragma_eol): New.
2565 (c_parser_external_declaration): Handle CPP_PRAGMA.
2566 (c_parser_compound_statement_nostart): Likewise.
2567 (c_parser_statement_after_labels): Likewise.
2568 (c_parser_pragma): New.
2569 (pragma_lex): Likewise.
2570 (c_parser_pragma_pch_preprocess): New.
2571 (c_parser_new): Merge into ...
2572 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
2574 2006-01-04 Jeff Law <law@redhat.com>
2577 * tree-cfg.c (bsi_replace): Remove the original statement
2578 from the EH throw statement table.
2580 2006-01-04 Jakub Jelinek <jakub@redhat.com>
2582 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
2583 make the prototype extern "C" and add throw ().
2586 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
2587 and pos non-negative and pos + len <= 32.
2588 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
2589 drop pos + len < HOST_BITS_PER_WIDE_INT test.
2590 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
2593 * c-common.c (handle_vector_size_attribute): Reject zero vector size
2594 as well as sizes not multiple of component size.
2597 * function.c (instantiate_expr): New function.
2598 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
2599 walk its DECL_VALUE_EXPR with instantiate_expr.
2601 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
2602 DW_OP_deref{,_size} if address isn't going to be added.
2604 2006-01-04 Ben Elliston <bje@au.ibm.com>
2606 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
2607 * config/fp-bit.c: Likewise.
2609 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
2611 * dominance.c: Add comment about why we use DFS numbering
2614 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2615 Richard Henderson <rth@redhat.com>
2617 Merge from gomp-branch:
2618 * varasm.c (assemble_variable): Handle thread-local COMMON data.
2619 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
2621 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
2623 PR rtl-optimization/25578
2624 * combine.c (combine_simplify_rtx, force_to_mode): Don't
2625 pass a parameter to simplify_shift_const if changing ASHIFTRT
2628 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
2630 * builtins.c (get_builtin_sync_mem): New function.
2631 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
2632 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
2633 Call get_builtin_sync_mem to generate mem rtx.
2635 2006-01-03 Richard Guenther <rguenther@suse.de>
2638 * stmt.c (add_case_node): Make sure to clear overflow flags
2641 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2643 Merge from gomp-branch.
2644 * config/sparc/sync.md: New file.
2645 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
2646 UNSPECV_LDSTUB): New constants.
2647 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
2648 * config/sparc/predicates.md (memory_reg_operand): New predicate.
2649 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
2652 2006-01-03 Roger Sayle <roger@eyesopen.com>
2654 * combine.c (reg_subword_p): New predicate to test whether the
2655 destination of a set refers to a subword/piece of a register.
2656 (try_combine): Generalize the code to merge the setting of a
2657 pseudo to a constant followed by a set of a subword of that
2658 register to a constant.
2660 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
2662 * basic-block.h (control_flow_graph): Change the type of
2663 x_label_to_block_map to VEC(basic_block,gc) *.
2664 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
2665 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
2667 * tree-ssa-propagate.c (cfg_blocks): Change the type to
2668 VEC(basic_block,heap) *.
2669 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
2670 ssa_prop_fini): Adjust the uses of cfg_blocks.
2672 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
2674 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
2676 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
2677 hashing trees instead of a pointer hash.
2678 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
2679 compare for MEM_EXPR.
2681 PR rtl-optimization/25130
2682 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
2683 when comparing MEMs for GCSE
2685 2006-01-03 Ben Elliston <bje@au.ibm.com>
2687 * targhooks.h (default_decimal_float_supported_p): Declare.
2688 * targhooks.c (default_decimal_float_supported_p): Define.
2689 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
2690 `default_decimal_float_supported_p'.
2691 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
2693 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
2695 * combine.c (apply_distributive_law <SUBREG>): Check
2696 TRULY_NOOP_TRUNCATION.
2698 2006-01-02 Geoffrey Keating <geoffk@apple.com>
2700 * dwarf2out.c (have_switched_text_section): Delete.
2701 (have_multiple_function_sections): New.
2702 (have_location_lists): Make 'bool'.
2703 (add_AT_loc_list): Use 'true' not '1'.
2704 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
2705 (output_loc_list): Use have_multiple_function_sections.
2706 (output_ranges): Likewise.
2707 (dwarf2out_begin_function): Set have_multiple_function_sections if
2709 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
2710 Check function_section rather than DECL_SECTION_NAME.
2711 (dwarf2out_finish): Use have_multiple_function_sections.
2712 Don't clear have_location_lists.
2714 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
2715 Jan Hubicka <jh@suse.cz>
2717 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
2718 case of conditional jump jumping to the next instruction.
2719 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
2720 cases of conditional jump jumping to the next instruction.
2722 2006-01-02 Jan Hubicka <jh@suse.cz>
2724 * i386.c (*_cost): Add COSTS_N_INSNS.
2725 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
2727 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
2730 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
2732 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2734 * config/arm/arm.c (all_fpus): Fix comment typo.
2735 * config/darwin.c: Likewise.
2736 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
2737 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
2738 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
2740 2006-01-01 David Edelsohn <edelsohn@gnu.org>
2742 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
2743 (rs6000_split_compare_and_swapqhi): New.
2744 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
2745 (sync_compare_and_swapqhi_internal): New.
2746 * config/rs6000/rs6000-protos.h: Declare.
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