1 2006-01-23 Diego Novillo <dnovillo@redhat.com>
3 * omp-low.c: Update documentation.
5 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6 Daniel Berlin <dberlin@dberlin.org>
10 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
11 return from the function.
13 2006-01-22 Zack Weinberg <zackw@panix.com>
15 * rtl.def (match_code): Add second argument.
16 * genpreds.c (write_extract_subexp): New function.
17 (write_match_code): Add path argument. Use write_extract_subexp.
18 (write_predicate_expr): Pass path to write_match_code.
19 (mark_mode_tests): MATCH_CODE applied to a subexpression does
20 not perform a mode test.
21 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
22 a subexpression does not constrain the top-level code set.
23 * read-rtl.c (read_rtx_variadic): New function.
24 (read_rtx_1): Use it; allow AND and IOR to be variadic.
25 * doc/md.texi: Document new notation.
26 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
27 (cmpsi_operand): ... here, using new notation.
29 2006-01-22 Zack Weinberg <zackw@panix.com>
31 * varray.c: Remove GENERATOR_FILE #ifdefs.
33 2006-01-22 Zack Weinberg <zackw@panix.com>
35 * genautomata.c (output_reserved_units_table): Emit nothing if
36 description->query_units_num is zero. Remove extra blank line.
37 (output_cpu_unit_reservation_p): Short circuit
38 if description->query_units_num is zero.
40 2006-01-22 Zack Weinberg <zackw@panix.com>
42 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
43 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
44 nor any of the random handful of variables that used to be necessary
45 when this program was linked with rtlanal.o. Prune set of forward
46 function declarations.
47 (struct attr_desc): Remove static_p field.
48 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
49 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
50 (attr_string): Do not read the character one past the length of
52 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
53 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
54 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
55 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
56 (make_automaton_attrs): New.
57 (main): Do not call into genautomata. Call local gen_bypass
58 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
59 Remove special case for insn_alts.
60 * genautomata.c: Include gensupport.h; not genattrtab.h nor
61 varray.h (leftover from previous change). Prune set of forward
62 function declarations. Remove state_alts fields from all
63 structures. Remove state_alts_table from struct automaton.
64 Make everything except main static. Do not maintain num_dfa_decls.
65 Do not maintain state_alts fields of various structures.
66 (process_decls): Don't validate condexp for dm_insn_reserv decls.
67 (add_arc): Remove state_alts argument. All callers updated.
68 (output_reserved_units_table): Emit #ifdef here...
69 (output_tables): ...not here. Don't generate state_alts tables.
70 (expand_automata): Don't generate attributes.
71 (write_automata): Don't generate state_alts functions.
73 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
74 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
75 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
76 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
77 (BYPASS_P_FUNC_NAME, output_state_alts_table)
78 (output_automata_list_state_alts_code, output_internal_state_alts_func)
79 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
80 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
82 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
83 * genattrtab.h: Delete file.
84 * Makefile.in (OBJS-common): Add insn-automata.o.
85 (insn-automata.o): New rule.
86 (simple_generated_c): Add insn-automata.c.
87 (build/genattrtab.o, build/genautomata.o): Update dependencies.
88 (genprogmd): Add automata.
89 (build/genattrtab): Needs no extra objects nor libraries.
90 (build/genautomata): Needs build/vec.o and -lm.
92 2006-01-22 Zack Weinberg <zackw@panix.com>
94 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
95 (output_dfa_max_issue_rate, locked_states_num): Delete.
96 (struct automaton): Add locked_states field.
97 (output_dead_lock_vect): Save number of locked states in
98 automaton->locked_states. If it is zero, don't print anything.
99 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
100 (output_internal_dead_lock_func): Only test the dead_lock_vect
101 for automata that have locked states.
102 (output_statistics): Always print the number of locked states for
103 each automaton. Calculate total number of locked states here.
104 (write_automata): Don't call output_dfa_max_issue_rate.
105 * genattrtab.c: Define length_unit_log as a const variable.
106 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
107 max_insn_queue_index const.
108 * final.c (length_unit_log): Declare const.
109 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
111 2006-01-22 Zack Weinberg <zackw@panix.com>
113 * genautomata.c: Include vec.h, not varray.h.
114 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
115 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
116 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
117 VEC_* macros operating on appropriately typed vectors, or to
118 malloced arrays when the size is known in advance. Const-ify
119 many char* variables and function arguments. No functional changes.
120 * Makefile.in (build/varray.o): Delete rule.
121 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
122 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
124 2006-01-22 Zack Weinberg <zackw@panix.com>
126 * gensupport.c: Define get_insn_name and record_insn_name here.
127 (read_md_rtx): Call record_insn_name as appropriate.
128 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
129 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
130 * genpreds.c, genrecog.c: Don't define get_insn_name nor
132 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
133 (BUILD_VARRAY): Delete.
134 (genprognormal): Rename genprogmd. Fold in all programs from
135 genprognoprint; also attrtab.
136 (build/genattrtab): Just mention genautomata.o and varray.o.
137 Reorganize a bit, add comments to make the categories clearer.
139 2006-01-22 Zack Weinberg <zackw@panix.com>
141 * genconditions.c (condition_table, add_condition): Delete.
142 (write_conditions): Don't emit n_insn_conditions nor
143 insn_elision_unavailable. Issue the gcc version #ifdef here,
144 inside the table, with no #else clause ...
145 (write_header): ...not here.
146 (write_writer): New function.
147 (main): Don't initialize condition_table. Use add_c_test.
149 * gensupport.c (init_md_reader_args_cb): Handle multiple input
150 files on the command line.
151 (maybe_eval_c_test): Don't check insn_elision_unavailable.
152 Return -1 if there is no entry in the table, don't abort.
153 (add_c_test, traverse_c_tests): New functions.
154 * gensupport.h (insn_elision_unavailable, insn_conditions)
155 (n_insn_conditions): Delete declarations.
156 (add_c_test, traverse_c_tests): Declare.
157 * read-rtl.c: Include gensupport.h.
158 (read_conditions): New function.
159 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
160 (read_rtx_1): If we get EOF when we were looking for an initial
161 open paren, return 0. Call read_conditions when appropriate.
162 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
163 dummy-conditions.o. Eliminate references to insn-conditions.o,
164 or change them to build/gencondmd.o, as appropriate. Remove
165 insn-constants.h from $(simple_generated_h) and insn-conditions.c
166 from $(simple_generated_c). For all files remaining in those
167 two lists, add insn-conditions.md to the generator command line.
168 Give insn-constants.h/s-constants their own rules. Add rules
169 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
170 (build/read-rtl.o): Depend on gensupport.h.
171 (genprognormal): Include preds.
172 (genprogearly): Rename genprognoprint; only difference is now that
173 they don't link with $(BUILD_PRINT).
174 * dummy-conditions.c: Delete.
176 2006-01-22 Zack Weinberg <zackw@panix.com>
178 * genextract.c: Don't include insn-config.h. Do include vec.h.
179 Declare vectors of int, char, and locstr.
180 (locstr): New typedef.
181 (struct extraction): Make all array fields into bare pointers.
182 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
183 (insn_code_number): Delete.
184 (accum_extract): New struct.
185 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
186 (gen_insn): Take insn_code_number as an argument. Use an
187 accum_extract structure instead of loading data directly into
188 a struct extraction, and having to know how big it might get.
189 (walk_rtx): Operate entirely on an accum_extract structure.
190 (print_path): Avoid unnecessary use of printf.
191 (print_header): New function, split out of main. Distinguish
192 more carefully between an unrecognizable insn and an insn that
193 has the code number of a define_expand.
194 (main): Pass insn_code_number to gen_insn. Call print_header
195 only after parsing. Avoid unnecessary use of printf.
196 * Makefile.in (build/vec.o): New rule.
197 (build/genextract): Depend on build/vec.o.
198 (build/genextract.o): Don't depend on insn-config.h.
200 2006-01-22 Zack Weinberg <zackw@panix.com>
202 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
203 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
204 practical. Eliminate per-generator-program link rules.
206 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
209 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
210 with a call expr to ...
211 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
213 2006-01-23 Richard Guenther <rguenther@suse.de>
215 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
216 before make_edge with conditional EDGE_TRUE_VALUE.
218 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
219 Jan Hubicka <jh@suse.cz>
220 Richard Guenther <rguenther@suse.de>
222 PR rtl-optimization/25654
223 * cfgexpand.c (aggregate_contains_union_type): New function.
224 (add_alias_set_conflicts): Call it. Make sure to add conflicts
225 for structure variables that contain a union type.
227 2006-01-23 Richard Sandiford <richard@codesourcery.com>
229 * gengtype.c (new_structure): Return the structure.
230 (create_option): Add an extra "next" argument.
231 (create_field): New function.
232 (adjust_field_rtx_def): Use create_option and create_field.
233 Remove a now-unnecessary call to find_structure.
234 (adjust_field_tree_def): Likewise.
235 (note_yacc_type): Remove an unnecessary call to find_structure.
236 * gengtype.h (new_structure): Return the structure.
237 (create_option): Add an extra argument.
238 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
239 (option): Adjust calls to create_option.
241 2006-01-22 David Edelsohn <edelsohn@gnu.org>
243 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
245 2006-01-22 Paul Brook <paul@codesourcery.com>
246 Peter Barada <peter@the-baradas.com>
248 * config/m68k/m68k.md: Add Coldfire FPU support.
249 Define FP mode macro and associated attributes.
250 Use it for float mode patterns.
251 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
252 (LIBCALL_VALUE): Use m68k_libcall_value.
253 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
254 (m68k_function_value): Ditto.
255 (emit_move_sequence): Ditto.
256 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
257 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
258 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
259 (MULTILIB_EXCEPTIONS): Ditto.
260 * config/m68k/m68k.opt: Add mcfv4e.
261 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
262 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
263 (m68k_output_function_prologue): Save ColdFire FPU registers.
264 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
265 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
266 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
267 ColdFire FPU registers.
268 (m68k_libcall_value, m68k_function_value): New functions.
269 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
270 (LIBCALL_VALUE): Use m68k_libcall_value.
271 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
272 (MASK_COLDFIRE): Add MASK_CFV4E.
273 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
274 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
275 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
276 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
277 (GO_IF_LEGITIMATE_ADDRESS): Use it.
278 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
279 * doc/invoke.tex: Document -mcfv4e on m68k.
281 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
283 * doc/contribute.texi: Change CVS to SVN and update the corresponding
286 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
289 * c-opts.c (c_common_handle_option): Don't include
290 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
291 * doc/invoke.texi (C++ Dialect Options): Document that
292 -Wnon-virtual-dtor is no longer included in -Wall.
294 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
296 * gcov.c (print_version), gcov-dump.c (print_version),
297 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
300 2005-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
302 * df-scan.c (problem_SCAN): Added NULL reset function.
303 (df_scan_reset_blocks): Added code to call reset block function
304 (df_bb_refs_delete) Fixed comment.
305 (df_insn_refs_delete): Made tolerant of deleting non existent info
306 for dataflow problems that need to be reset.
307 * df-core.c (df_set_blocks): Ditto.
308 * df.h (struct df_problem): Added reset_fun.
309 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
310 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
311 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
312 functions to clear out all references to def-use or use-def chains.
314 2006-01-21 Ben Elliston <bje@au.ibm.com>
316 * varasm.c (assemble_real): Initialise data array.
318 2006-01-20 Paul Brook <paul@codesourcery.com>
320 Merge from csl-arm-branch.
321 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
322 * config/arm/arm.md (movdi): Force operands[1] to a register
323 if we have a non-register source.
324 (*arm_movdi, *movdf_soft_insn): Require that one of the
325 operands be a register.
326 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
327 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
329 2006-01-20 DJ Delorie <dj@redhat.com>
331 * varasm.c (initialize_constant_valid_p): Allow pointers
332 initialized from integer constants of lesser precision.
333 (output_constant): Allow non-int-sized pointer modes to be
334 initialized from integer constants.
336 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
339 * cppdefault.h (struct default_include): Add multilib flag.
340 * cppdefault.c (cpp_include_defaults): Set it.
341 * c.opt (-imultilib): New option.
342 * c-opts.c (imultilib): New.
343 (c_common_handle_option): Handle -imultilib.
344 (c_common_post_options): Likewise.
345 * c-incpath.c (add_standard_paths, register_include_chains):
347 * c-incpath.h (register_include_chains): Add extra parameter.
348 * gcc.c (do_spec_1): Generate -imultilib option.
349 (The Specs Language): Update %I description.
350 (process_command): Update copyright notice.
351 * doc/cppopts.texi (-imultilib): Document.
352 * doc/invoke.texi (-imultilib): Include in option summary.
353 (%I): Update specs documentation.
355 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
357 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
359 2006-01-20 Richard Sandiford <richard@codesourcery.com>
361 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
364 2006-01-20 Richard Guenther <rguenther@suse.de>
365 Steven Bosscher <stevenb.gcc@gmail.com>
367 PR rtl-optimization/24626
368 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
369 EDGE_TRUE_VALUE if in RTL mode.
372 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
373 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
375 2006-01-20 Dirk Mueller <dmueller@suse.com>
378 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
379 instead of a special NOP marker.
380 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
382 * c-common.h (empty_body_warning): Add forward declaration.
383 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
384 Now uses IS_EMPTY_STMT() instead of special NOP markers.
386 2005-01-20 Paul Brook <paul@codesourcery.com>
388 * Makefile.in (lang_checks): Keep going if mkdir fails.
390 2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
392 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
393 be able to clean out basic block when not necessary.
394 (df_scan_free): Fixed to properly delete information if df is
395 unused before calling df_finish.
396 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
397 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
399 (df_bb_refs_delete): New function.
400 (df_refs_delete): Moved per block code to df_bb_refs_delete.
401 * df-core.c (df_set_blocks): Added code to properly clean out
402 unused blocks if they are not part of the blocks to consider.
403 Added additional null check.
404 (df_compact_blocks): Added basic block parameter to free_bb_fun to
405 be able to clean out basic block when not necessary
406 * df.h (df_free_bb_function): Ditto.
407 (df_bb_refs_delete): New function.
408 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
409 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
410 basic block parameter to be able to clean out basic block when not
412 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
413 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
414 Fixed to properly delete information if df is unused before
417 2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
419 PR rtl-optimization/25799
420 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
421 Corrected confluence operator to remove bits from op2 before oring
422 with op1 rather than removing bits from op1.
423 (df_ru_transfer_function): Corrected test on wrong bitmap which
424 caused infinite loop. Both of these problems were introduced in
425 the dataflow rewrite.
427 2006-01-19 DJ Delorie <dj@redhat.com>
429 * reload1.c (find_reload_regs): Note the details of reload
430 failures in the dump file.
431 (spill_failure): Likewise.
433 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
435 * loop-iv.c: Include df.h and hashtab.h.
436 (enum iv_grd_result): New enum.
437 (DF_REF_IV, DF_REF_IV_SET): New macros.
438 (struct biv_entry): New.
439 (df, bivs): New global variables.
440 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
441 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
443 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
444 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
445 analyzed_for_bivness_p, record_biv): New functions.
446 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
447 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
448 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
450 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
452 (iv_number_of_iterations): Use new interface to iv analysis.
453 * loop-unroll.c: Do not include varray.h.
454 (analyze_iv_to_split_insn): Use new interface to iv
456 * loop-unswitch.c (may_unswitch_on): Ditto.
457 * df.c (df_bitmaps_free): Only work for bbs for that structures are
459 (df_bb_modify): Realloc tables to the new index.
460 (df_find_use): New function.
461 * df.h (df_find_use): Declare.
462 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
464 * cfgloop.h (struct rtx_iv): Remove analysed field.
465 (iv_get_reaching_def): Removed.
466 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
467 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
468 (loop-iv.o): Add df.h and hashtab.h dependency.
469 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
471 2006-01-20 Alan Modra <amodra@bigpond.net.au>
473 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
475 (__floatundisf, __floatundidf): Likewise.
476 * libgcc2.h (IS_IBM_EXTENDED): Define.
478 2006-01-19 DJ Delorie <dj@redhat.com>
480 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
482 2006-01-19 Paul Brook <paul@codesourcery.com>
484 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
485 as nothrow when unwinding tables are disabled.
487 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
490 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
491 of bit-field" when in system header.
493 2006-01-19 DJ Delorie <dj@redhat.com>
495 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
496 the 16 bit shift limit of the m16c.
498 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
501 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
502 * config/i386/i386.c (output_set_got): Output the label if we have one
503 for the TARGET_DEEP_BRANCH_PREDICTION case.
505 2006-01-19 Jan Hubicka <jh@suse.cz>
506 H.J. Lu <hongjiu.lu@intel.com>
507 Evandro Menezes <evandro.menezes@amd.com>
509 * invoke.texi (generic): Document
511 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
512 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
513 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
514 (x86_use_incdec, x86_pad_returns): New variables
515 (TARGET_CPU_DEFAULT_generic): New constant
516 (TARGET_CPU_DEFAULT_NAMES): Add generic.
517 (enum processor_type): Add generic32 and generic64.
518 * i386.md (cpu attribute): Add generic32/generic64
519 (movhi splitter): Behave sanely when both partial_reg_dependency and
520 partial_reg_stall are set.
521 (K8 splitters): Enable for generic as well.
522 * predicates.md (incdec_operand): Use TARGET_INCDEC
523 (aligned_operand): Avoid memory mismatch stalls.
524 * athlon.md: Enable for generic64, new patterns for 128bit moves.
525 * ppro.md: Enable for generic32
526 * i386.c (generic64_cost, generic32_cost): New.
527 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
528 (x86_use_leave): Enable for generic64. (x86_use_sahf,
529 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
530 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
531 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
532 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
533 x86_partial_reg_dependency, x86_memory_mismatch_stall,
534 x86_accumulate_outgoing_args, x86_prologue_using_move,
535 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
536 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
538 (x86_use_incdec, x86_pad_returns): New.
539 (override_options): Add generic32 and generic64, translate "generic"
540 to generic32/generic64 and "i686" to "generic32", refuse
541 "generic32"/"generic64" as arch target.
542 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
543 (ix86_reorg): Honor PAD_RETURNS.
545 2006-01-19 Diego Novillo <dnovillo@redhat.com>
547 * tree-pretty-print.c (dump_generic_node): Handle
548 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
549 * cgraph.c (cgraph_expand_queue): Rename from
550 cgraph_analyze_queue. Update all users.
551 * cgraphunit.c (cgraph_assemble_pending_functions): Process
553 (cgraph_expand_all_functions): Likewise.
554 (cgraph_finalize_pending_functions): Remove. Update callers.
556 * tree.h (OMP_DIRECTIVE_P): Define.
557 (OMP_PARALLEL_FN): Define.
558 (OMP_PARALLEL_DATA_ARG): Define.
559 (OMP_SECTIONS_SECTIONS): Define.
560 * tree-pass.h (pass_expand_omp): Declare.
561 * omp-low.c (struct omp_region): Declare.
562 (struct omp_context): Remove fields 'parallel_type',
563 'parallel_start_ix' and 'parallel_start_additional_args'.
565 (struct omp_for_data): Rename from struct expand_omp_for_data.
566 (omp_regions): New static variable.
567 (root_omp_region): New static variable.
568 (find_omp_clause): Make static.
569 (is_in_combined_parallel_ctx): Remove.
570 (is_combined_parallel): New.
571 (extract_omp_for_data): Move earlier in the file.
572 (workshare_safe_to_combine_p): New.
573 (get_ws_args_for): New.
574 (determine_parallel_type): Move earlier in the file.
575 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
577 (omp_copy_decl): Likewise.
578 (create_omp_child_function): Likewise.
579 (lookup_omp_region): New.
580 (dump_omp_region): New.
581 (debug_omp_region): New.
582 (debug_all_omp_regions): New.
583 (new_omp_region): New.
584 (scan_omp_parallel): If parallel_nesting_level > 1, the
585 directive is nested within another parallel directive.
587 (scan_omp_for): Do not try to handle combined parallel+for
589 Remove FIXME comment.
590 (scan_omp_nested): Remove.
591 (scan_omp_1): Do not call scan_omp_nested when
592 parallel_nesting_level is > 1.
593 Do not change the DECL_CONTEXT of local variables found.
594 (lookup_decl_in_outer_ctx): New.
595 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
596 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
597 (lower_reduction_clauses): Rename from expand_reduction_clauses.
598 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
599 If CTX is nested, lookup VAR in the outer context when
600 building copy assignment.
601 (lower_send_clauses): Rename from expand_send_clauses.
602 If CTX is nested, lookup VAR in the outer context when
603 building copy assignments.
604 (lower_send_shared_vars): Rename from expand_send_shared_vars.
605 If CTX is nested, lookup VAR in the outer context when
606 building copy assignments.
607 (expand_parallel_call): Rename from build_parallel_call.
608 Handle combined parallel+workshare cases.
609 Re-implement to emit code into the CFG.
611 (expand_omp_parallel): Re-implement to emit code into the CFG.
612 Call move_sese_region_to_fn to outline the sub-graph
613 containing the parallel region.
614 (expand_omp_for_1): Remove.
615 (expand_omp_for_generic): Re-implement to emit code into the
617 (expand_omp_for_static_nochunk): Likewise.
618 (expand_omp_for_static_chunk): Likewise.
619 (expand_omp_for): Likewise.
620 (expand_omp_sections): Likewise.
621 (remove_exit_barriers): New.
622 (expand_omp_synch): New.
624 (build_omp_regions_1): New.
625 (build_omp_regions): New.
626 (execute_expand_omp): New.
627 (gate_expand_omp): New.
628 (pass_expand_omp): Define.
629 (lower_omp_sections): Rename from expand_omp_sections.
630 Set OMP_SECTIONS_SECTIONS.
631 (lower_omp_single_simple): Rename from expand_omp_single_simple.
632 (lower_omp_single_copy): Rename from expand_omp_single_copy.
633 (lower_omp_single): Rename from expand_omp_simple.
634 (lower_omp_master): Rename from expand_omp_master.
635 (lower_omp_ordered): Rename from expand_omp_ordered.
636 (lower_omp_critical): Rename from expand_omp_critical.
637 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
638 (lower_omp_for): Re-implement.
639 (lower_omp_parallel): Re-implement.
640 (lower_regimplify): Rename from expand_regimplify.
641 (lower_omp_1): Rename from expand_omp_1.
642 If there are syntax errors in the program, replace every
643 OpenMP directive with NOP.
644 Call lower_omp_* instead of expand_omp_*.
645 (lower_omp): Rename from expand_omp.
647 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
648 * tree-gimple.h (enum omp_parallel_type): Remove.
649 (gimple_boolify): Declare extern.
650 (find_omp_clause, determine_parallel_type): Remove.
652 * gimple-low.c (lower_omp_directive): New.
653 (lower_stmt): Call it.
654 (record_vars_into): Move from ...
655 (record_vars): ... here.
656 Call record_vars_into with current_function_decl.
658 * gimplify.c (struct gimplify_ctx): Remove fields
659 combined_pre_p and combined_ctxp. Update users.
660 (get_formal_tmp_var): Add documentation.
661 (gimple_boolify): Make extern.
662 (gimplify_expr_in_ctx): Remove. Update callers.
663 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
664 will always be a BIND_EXPR.
665 (gimplify_expr): Handle OMP_RETURN_EXPR.
666 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
667 (OMP_PARALLEL): Add 3 operands.
668 (OMP_SECTIONS): Add 1 operand.
669 (OMP_RETURN_EXPR): Define.
671 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
672 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
673 * tree-iterator.c (alloc_stmt_list): Assert that we are not
674 creating a circular free list.
675 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
677 * tree-flow.h (move_sese_region_to_fn): Declare.
678 (record_vars_into): Declare.
679 * tree-cfg.c (make_omp_sections_edges): New.
680 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
681 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
682 OMP_SECTIONS and OMP_SECTION.
683 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
684 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
685 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
686 (gather_blocks_in_sese_region): New.
687 (struct move_stmt_d): Declare.
689 (move_block_to_fn): New.
690 (move_sese_region_to_fn): New.
692 * passes.c (init_optimization_passes): Schedule
693 pass_expand_omp after pass_init_datastructures.
695 * tree-ssa-operands.c (get_expr_operands): Handle
696 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
697 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
699 2006-01-19 Jeff Law <law@redhat.com>
701 * tree-vrp.c (extract_range_from_assert): Refine the result range
702 if the variable referenced by the ASSERT_EXPR has a range and
703 either the tentative result range or the previous range is a
706 2006-01-19 Richard Sandiford <richard@codesourcery.com>
708 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
710 2006-01-19 Jan Hubicka <jh@suse.cz>
712 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
714 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
716 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
717 (expand_compound_operation, expand_field_assignment): Fail if the
718 bit lengths of an extract operation are out of range.
719 (make_extraction): Compute wanted_inner_mode based on the position
720 and length of the extraction. Make it extraction_mode for non-constant
721 positions, and do not modify offset in that case. When generating a
722 new MEM, use a mode that can hold the extraction while keeping correct
723 alignment. Remove code that supported MEMs wrapped by USEs.
724 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
726 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
728 * config/s390/s390.md ("Y", "y"): New mode attribute.
729 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
730 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
731 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
732 "*addsi3_imm_cc", "*addsi3_carry1_cc",
733 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
734 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
735 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
736 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
737 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
738 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
739 "addsi3", "subsi3"): Insn patterns removed.
740 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
741 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
742 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
743 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
744 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
745 "*sub<mode>3_cconly2"): New insn patterns.
746 ("addsi3", "subsi3"): New expanders.
748 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
750 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
751 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
752 existing STMT_VINFO_VECTYPE if available.
753 (vect_mark_relevant): Add special handling for stmts that are
754 marked as STMT_VINFO_IN_PATTERN_P.
755 (vect_analyze_loop): Call vect_pattern_recog.
756 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
757 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
759 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
760 (vect_recog_func_ptr): New function-pointer type.
761 * tree-vect-patterns.c: New file.
762 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
763 (vect_recog_dot_prod_pattern, vect_pattern_recog):
764 (vect_pattern_recog_1): New functions.
765 (vect_pattern_recog_funcs): New array of function pointers.
767 * tree-vectorizer.h (ternary_op): New enum value.
768 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
769 declaration. Revised documentation. Removed redundant dump prints.
770 Removed redundant argument. Added support for reduction patterns.
771 (vectorizable_reduction): Added support for reduction patterns.
772 (vect_transform_stmt): Added support for patterns.
774 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
775 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
776 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
777 (expand_widen_pattern_expr): New function.
778 (init_optabs): Initialize new optabs udot_prod_optab,
780 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
781 (sdot_prod_optab, udot_prod_optab): Define new optabs.
782 (expand_widen_pattern_expr): New function declaration.
783 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
785 * tree-inline.c (estimate_num_insns_1): Added cases for new
786 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
787 * tree-pretty-print.c (dump_generic_node): Likewise.
789 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
790 * tree-ssa-operands.c (get_expr_operands): Added case for
792 * tree-vect-patterns.c (widened_name_p): New function.
793 (vect_recog_dot_prod_pattern): Added function implementation.
794 * tree-vect-transform.c (get_initial_def_for_reduction): Added
795 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
796 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
797 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
799 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
800 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
801 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
802 (init_optabs): Initialize new optabs widen_ssum_optab,
804 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
805 (widen_ssum_optab, widen_usum_optab): Define new optabs.
806 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
807 use instead of type of def.
808 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
809 function implementation.
810 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
811 widen_ssumv8hi): New.
813 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
816 2006-01-19 Richard Sandiford <richard@codesourcery.com>
819 * c-decl.c (add_flexible_array_elts_to_size): New function.
820 (finish_decl): Use it.
822 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
824 * diagnostic.h: Include options.h.
825 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
826 dependancies for diagnostic.h.
827 * Makefile.in (DIAGNOSTIC_H): Add options.h.
829 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
831 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
832 (ssa_ro_call_cache_valid): Ditto.
833 * tree-ssa-alias.c (sort_tags_by_id): New function.
834 (init_transitive_clobber_worklist): Ditto.
835 (add_to_worklist): Ditto.
836 (mark_aliases_call_clobbered): Ditto.
837 (compute_tag_properties): Ditto.
838 (set_initial_properties): Ditto.
839 (compute_call_clobbered): Ditto.
840 (compute_may_aliases): Call compute_call_clobbered and grouping.
841 (compute_flow_sensitive_aliasing): Remove clobbering related code.
842 (compute_flow_insensitive_aliasing): Grouping now happens in our
844 (setup_pointers_and_addressables): Remove clobbering related code.
845 (add_may_alias): Ditto.
846 (replace_may_alias): Ditto.
847 (get_nmt_for): Ditto.
849 (is_escape_site): Return an escape_type enumeration.
850 * tree-flow-inline.h (is_call_clobbered): Global var does not
851 imply call clobbered.
852 (mark_call_clobbered): Take a reason for marking this. Remove
853 marking of globalness, and cache invalidation.
854 (clear_call_clobbered): Remove cache invalidation code.
855 * tree-dfa.c (dump_variable): If details is on, dump the reason
857 * tree-outof-ssa.c (create_temp): Copy escape mask from original
859 * tree-flow.h (struct ptr_info_def): Add escape mask member.
860 (struct var_ann_d): Ditto.
861 (enum escape_type): New.
862 (mark_call_clobbered): Adjust prototype.
863 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
864 are never call clobbered.
865 Record reasons for escaping.
866 * tree-ssa-structalias.h (is_escape_site): Update prototype.
867 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
868 (ssa_ro_call_cache_valid): Ditto.
869 (clobbered_v_may_defs): Ditto.
870 (clobbered_vuses): Ditto.
871 (ro_call_vuses): Ditto.
872 (clobber_stats): New.
873 (init_ssa_operands): Zero out clobber stats.
874 (fini_ssa_operands): Print out clobber stats.
875 (get_call_expr_operands): Pass callee fndecl to
877 (add_call_clobber_ops): Remove use of cache.
878 Add use of PURE_CONST information.
879 (add_call_read_ops): Remove use of cache.
880 Add use of static not_read information.
882 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
884 Introduce TLS descriptors for i386 and x86_64.
885 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
886 (TARGET_ANY_GNU_TLS): New macro.
887 (enum tls_dialect): Added TLS_DIALECT_GNU2.
888 (struct machine_function): Add tls_descriptor_call_expanded_p.
889 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
890 (ix86_current_function_calls_tls_descriptor): Likewise.
891 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
892 (override_options): Introduce gnu2 tls dialect.
893 (ix86_frame_pointer_required): Functions containing TLSCALLs are
895 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
897 (legitimize_tls_address): Adjust logic for GNU2 TLS.
898 (ix86_init_machine_status): Initialize new field.
899 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
900 (ix86_tls_module_base): New.
901 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
902 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
903 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
904 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
905 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
906 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
907 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
908 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
909 * config/i386/predicates.md (tls_modbase_operand): New.
910 (tp_or_register_operand): New.
912 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
914 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
915 (look_for_address_of): Ditto.
916 (ipa_init): Walk the function decls.
917 (static_execute): Don't set readonly on FUNCTION_DECL's.
919 2006-01-18 Roger Sayle <roger@eyesopen.com>
921 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
922 for shifts where the source and destination registers are different.
924 2006-01-18 Paul Brook <paul@codesourcery.com>
926 Merge from csl-arm-branch.
927 2005-03-14 Julian Brown <julian@codesourcery.com>
928 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
929 (aeabi_llsl): Likewise.
931 (aeabi_lasr): Likewise.
933 (aeabi_llsr): Likewise.
934 2005-03-10 Julian Brown <julian@codesourcery.com>
935 * config.gcc: Disable shared libgcc for SymbianOS.
936 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
938 2006-01-18 DJ Delorie <dj@redhat.com>
940 * c-pragma.c (handle_pragma_diagnostic): New.
941 (init_pragma): Register it.
942 * doc/extend.texi: Document it.
944 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
945 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
946 (diagnostic_context): Add classify_diagnostic[].
947 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
948 as errors if they're overridden to DK_WARNING.
949 (diagnostic_initialize): Initialize classify_diagnostic[].
950 (diagnostic_set_kind_override): New.
951 (diagnostic_report_diagnostic): Check for kind changes.
952 * opts.c (common_handle_option): Take lang_mask. Update callers.
954 * common.opt (Werror=): New.
955 * doc/invoke.texi: Document -Werror=*
957 2006-01-18 Jeff Law <law@redhat.com>
959 * tree-vrp.c (test_for_singularity): Correct test for new
960 min limit. Use operand_equal_p rather than pointer equality
961 for testing if new min/max values are equal.
963 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
964 using range information until after propagation and folding.
966 2006-01-18 Richard Henderson <rth@redhat.com>
967 Aldy Hernandez <aldyh@redhat.com>
968 Jakub Jelinek <jakub@redhat.com>
969 Diego Novillo <dnovillo@redhat.com>
971 * omp-low.c: New file.
974 2006-01-18 Richard Henderson <rth@redhat.com>
975 Jakub Jelinek <jakub@redhat.com>
976 Diego Novillo <dnovillo@redhat.com>
978 * doc/invoke.texi: Document -fopenmp.
979 * tree-dump.h (debug_function): Declare.
980 * hooks.c (hook_bool_tree_bool_false): New function.
981 (hook_tree_tree_null): Remove.
982 (hook_tree_tree_tree_null): New.
983 * hooks.h: Update to match.
984 * tree-pretty-print.c (debug_tree_chain): New.
985 (print_generic_expr): Handle TDF_CHAIN.
986 (dump_generic_node): Handle BLOCK.
987 Do not abort with incomplete SWITCH_EXPRs.
988 Do not dump body of an OpenMP directive if TDF_SLIM is given.
989 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
990 print space after directive name.
991 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
992 Handle OMP_MASTER and OMP_ORDERED.
993 Handle printing of OMP_BODY just in one place, goto
994 dump_omp_body in the rest of OMP_* nodes that have
996 Don't handle clause nodes here. Update omp statements to
997 use dump_omp_clauses.
998 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
999 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1000 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1001 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1002 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1003 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1004 Adjust output for GOMP_PARALLEL.
1005 (dump_omp_clauses): New.
1006 (print_declaration): Dump DECL_VALUE_EXPR.
1007 (op_symbol_1): Split out of op_symbol.
1008 (dumping_stmts): Remove. Update all users.
1009 * cgraph.c (cgraph_analyze_queue): New.
1010 (cgraph_add_new_function): New.
1011 * cgraph.h (cgraph_analyze_queue): Declare.
1012 (cgraph_add_new_function): Declare.
1013 (cgraph_lower_function): Remove.
1014 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1015 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1016 and TYPE_P nodes in its default clause.
1017 (empty_body_p): New.
1018 (tree_range_check_failed): New.
1020 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1021 OMP_CLAUSE_REDUCTION_MERGE,
1022 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1023 OMP_CLAUSE_PRIVATE_DEBUG,
1024 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1025 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1026 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1027 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1028 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1029 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1030 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1031 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1032 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1033 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1034 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1035 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1036 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1037 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1038 (TREE_RANGE_CHECK): New.
1039 (empty_body_p): Declare.
1040 (enum omp_clause_default_kind): New.
1041 (build_string_literal): Declare.
1042 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1043 (build5_stat, build5): Declare.
1044 * tree-pass.h (TDF_CHAIN): Define.
1045 * tree-pass.h (PROP_gimple_lomp): Define.
1046 (pass_lower_omp): Declare.
1047 * diagnostic.h (debug_tree_chain): Declare.
1048 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1050 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1051 * builtins.c (build_string_literal): Make extern.
1052 * gcc.c (include_spec_function): New.
1053 (static_spec_functions): Add it.
1054 (main): Move load of libgomp.spec ...
1055 (LINK_COMMAND_SPEC): ... here.
1056 (link_gomp_spec): New.
1057 (static_specs): Include it.
1058 (LINK_COMMAND_SPEC): Add link_gomp.
1059 (GOMP_SELF_SPECS): New.
1060 (driver_self_specs): Include it.
1061 (switch_matches): Don't mark inline.
1062 (main): Load libgomp.spec.
1063 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1064 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1065 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1066 * tree-gimple.h (enum omp_parallel): Declare.
1067 (determine_parallel_type): Declare.
1068 (omp_firstprivatize_variable): Declare.
1069 (omp_reduction_init): Declare.
1070 (diagnose_omp_structured_block_errors): Declare.
1071 (struct walk_stmt_info): Add want_return_expr.
1072 (struct walk_stmt_info): Add want_bind_expr, want_locations.
1073 (find_omp_clause): Declare.
1074 (insert_field_into_struct): Declare.
1075 (struct walk_stmt_info): Move from tree-nested.c
1076 (walk_stmts): Declare.
1077 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1079 * cgraphunit.c (cgraph_lower_function): Make static.
1080 (cgraph_finalize_pending_functions): New.
1081 (cgraph_finalize_function): Call it.
1082 (cgraph_finalize_compilation_unit): Likewise.
1083 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1084 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1085 (BT_FN_UINT_UINT): New.
1086 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1087 DEF_FUNCTION_TYPE_VAR_4): Document.
1088 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1089 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1090 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1091 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1092 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1093 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1094 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1095 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1096 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1097 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1098 into separate files.
1099 (DEF_GOMP_BUILTIN): New.
1100 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1101 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1102 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1103 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1104 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1105 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1106 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1107 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1108 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1109 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1110 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1111 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1112 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1113 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1114 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1115 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1116 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1117 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1118 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1119 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1120 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1121 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1122 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1123 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1124 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1125 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1126 * sync-builtins.def: New file, moved from builtins.def.
1127 * omp-builtins.def: New file, moved from builtins.def.
1128 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1129 * gimple-low.c (lower_function_body): Clear data.
1130 (lower_stmt): Do not handle COMPOUND_EXPR.
1131 Remove call to print_node_brief.
1132 * c-tree.h (c_finish_omp_clauses): New prototype.
1133 (C_DECL_THREADPRIVATE_P): Define.
1134 (lookup_name_no_remap, c_omp_remap_private): Remove
1135 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1136 (check_for_loop_decls): Update decl.
1137 (lookup_name_no_remap, c_omp_remap_private): Declare.
1138 (build_indirect_ref, build_modify_expr, pushdecl,
1139 pushdecl_top_level): Move to c-common.h.
1140 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1141 before the switch, but just in the 2 places that need it.
1142 * c-decl.c (diagnose_mismatched_decls): Do not check for
1143 mismatched thread-local attributes when OLDDECL is marked
1144 threadprivate and NEWDECL has no thread-local attributes.
1145 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1146 (c_gimple_diagnostics_recursively): Rename from
1147 c_warn_unused_result_recursively. Invoke
1148 diagnose_omp_structured_block_errors.
1149 (check_for_loop_decls): Return a singular decl found.
1150 * langhooks.c (lhd_omp_predetermined_sharing): Return
1151 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1152 (lhd_omp_firstprivatize_type_sizes): New.
1153 (lhd_omp_assignment): New.
1154 (lhd_omp_predetermined_sharing): New.
1155 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1156 (struct lang_hooks_for_types): Add
1157 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1158 omp_predetermined_sharing, omp_disregard_value_expr,
1159 omp_private_debug_clause, omp_clause_default_ctor,
1160 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1161 (c_finish_omp_clauses): New.
1162 (c_finish_bc_stmt): Diagnose break within omp for.
1163 (c_begin_omp_parallel, c_finish_omp_parallel): New.
1164 (build_unary_op): Return error_mark after reporting
1166 (build_modify_expr): Likewise.
1167 * gimplify.c: Include optabs.h and pointer-set.h.
1168 (enum gimplify_omp_var_data): Declare.
1169 (struct gimplify_omp_ctx): Declare.
1170 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1172 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1173 (push_gimplify_context, pop_gimplify_context): Allow nesting.
1174 (splay_tree_compare_decl_uid): New.
1175 (new_omp_context): New.
1176 (delete_omp_context): New.
1177 (gimple_add_tmp_var): Call omp_add_variable.
1178 (gimplify_bind_expr): Likewise.
1179 (gimplify_var_or_parm_decl): If omp_notice_variable returned
1180 true, disregard DECL_VALUE_EXPR on the decl if any.
1181 (gimplify_expr_in_ctx): New.
1182 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1183 omp_add_variable, omp_notice_variable, omp_is_private
1184 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1185 gimplify_adjust_omp_clauses, gimplify_omp_parallel
1186 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1187 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1188 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1189 gimplify_omp_atomic): New.
1190 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1191 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1192 OMP_CRITICAL and OMP_ATOMIC.
1193 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1194 * c-pragma.h (enum pragma_kind): Add
1195 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1196 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1197 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1198 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1199 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1200 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1201 PRAGMA_OMP_THREADPRIVATE.
1202 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1203 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1204 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1205 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1206 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1207 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1208 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1209 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1210 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1211 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1212 * tree-ssa-dce.c (find_control_dependence): Do not assume that
1213 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1214 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1216 (struct nesting_info): Add field_map,
1217 suppress_expansion, debug_var_chain.
1218 (create_nesting_tree): Initialize them.
1219 (lookup_field_for_decl): Use field_map.
1220 (get_nonlocal_debug_decl, get_local_debug_decl): New.
1221 (convert_local_omp_clauses): New.
1222 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1223 (walk_body): Split out of walk_function.
1224 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1225 (convert_nonlocal_reference): Handle omp statements.
1226 (convert_local_reference): Likewise.
1227 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1228 (unnest_nesting_tree): New.
1229 (lower_nested_functions): Call it.
1230 (insert_field_into_struct): Make extern.
1231 (struct walk_stmt_info): Move to tree-gimple.h.
1232 (walk_stmts): Make extern.
1233 * omp-builtins.def: New file.
1234 * tree-iterator.c (expr_only): Clarify comment.
1235 * c-common.h (pushdecl_top_level, pushdecl,
1236 build_modify_expr, build_indirect_ref,
1237 c_finish_omp_master, c_finish_omp_critical,
1238 c_finish_omp_ordered, c_finish_omp_barrier,
1239 c_finish_omp_atomic, c_finish_omp_flush,
1240 c_finish_omp_for, c_split_parallel_clauses,
1241 omp_clause_default_kind, c_omp_sharing_predetermined,
1242 c_omp_remap_decl): Declare.
1243 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1244 (OBJS-common): Add omp-low.o.
1245 (c-omp.o, omp-low.o): Add.
1246 (gimplify.o): Add dependency on $(OPTABS_H).
1247 (GTFILES): Add omp-low.c.
1248 (gt-stringpool.h): Add.
1249 * tree-cfg.c (set_bb_for_stmt): Do not update the
1250 block-to-labels map if we are currently expanding to RTL.
1251 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1253 Handle IDENTIFIER_NODE.
1254 (tree_verify_flow_info): Do not ICE when emitting error
1255 messages about invalid labels.
1256 (dump_function_to_file): Reset CFUN before emitting the body
1258 (debug_function): New.
1259 * passes.c (init_optimization_passes): Schedule
1261 * langhooks-def.h (lhd_omp_predetermined_sharing,
1262 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1264 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1265 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1266 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1267 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1268 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1269 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1270 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1271 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1272 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1273 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1274 (LANG_HOOK_DECLS): Use them.
1276 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1277 Richard Henderson <rth@redhat.com>
1278 Jakub Jelinek <jakub@redhat.com>
1279 Diego Novillo <dnovillo@redhat.com>
1281 * c-parser.c (pragma_omp_clause): Define.
1282 (c_parser_declaration_or_fndef): Document OpenMP syntax.
1283 (c_parser_compound_statement): Likewise.
1284 (c_parser_statement): Likewise.
1285 (c_parser_pragma): Handle omp pragmas.
1286 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1287 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1288 (c_parser_omp_clause_name, check_no_duplicate_clause,
1289 c_parser_omp_variable_list,
1290 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1291 c_parser_omp_clause_copyprivate,
1292 c_parser_omp_clause_default,
1293 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1294 c_parser_omp_clause_lastprivate,
1295 c_parser_omp_clause_nowait,
1296 c_parser_omp_clause_num_threads,
1297 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1298 c_parser_omp_clause_reduction,
1299 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1300 c_parser_omp_all_clauses, c_parser_omp_structured_block,
1301 c_parser_omp_atomic, c_parser_omp_barrier,
1302 c_parser_omp_critical, c_parser_omp_flush,
1303 c_parser_omp_for_loop, c_parser_omp_for,
1304 c_parser_omp_master, c_parser_omp_ordered,
1305 c_parser_omp_sections_scope, c_parser_omp_sections,
1306 c_parser_omp_parallel, c_parser_omp_single,
1307 c_parser_omp_construct, c_parser_omp_threadprivate): New.
1308 * c-pragma.c (init_pragma): Do omp pragma registration here.
1309 * c.opt (fopenmp): New flag.
1311 2006-01-18 Eric Christopher <echristo@apple.com>
1313 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1314 * config/darwin.h (GOMP_SELF_SPECS): Define.
1316 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1318 * rtl.h: Remove the prototype for reg_alloc.
1320 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1323 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1324 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1325 sjlj and dwarf2 exception handling.
1326 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1327 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1328 * pa/pa.c (function_value): Treat complex and vector types as
1330 (function_arg): Likewise. Only pass scalar floats in the floating
1331 point argument registers.
1332 * pa/t-slibgcc-dwarf-ver: New file.
1333 * pa/t-slibgcc-sjlj-ver: New file.
1334 * pa/t-slibgcc-elf-ver: Delete file.
1336 2006-01-19 Alan Modra <amodra@bigpond.net.au>
1338 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1339 unlikely_test_section_p test.
1341 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1343 * mode-switching.c (optimize_mode_switching): Make it static.
1344 * basic-block.h: Remove the prototype for
1345 optimize_mode_switching.
1347 * modulo-sched.c (sms_schedule): Make it static.
1348 * rtl.h: Remove the prototype for sms_schedule.
1350 * postreload-gcse.c (gcse_after_reload_main): Make it static.
1351 * rtl.h: Remove the prototype for gcse_after_reload_main.
1353 * reg-stack.c (reg_to_stack): Make it static.
1354 * rtl.h: Remove the prototype for reg_to_stack.
1356 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1358 * rtl.h: Remove the prototypes for regrename_optimize and
1359 copyprop_hardreg_forward.
1361 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
1363 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1364 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
1365 Test against the appropriate null constant for the mode.
1366 If 'fixup_overlap' is true, swap the operands if they overlap.
1367 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1368 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1369 alpha_split_tmode_pair and adjust for above change.
1370 * config/alpha/alpha.md (movtf_internal): Adjust call to
1371 alpha_split_tfmode_pair and rely on it to swap the operands.
1372 (movti_internal): New insn and post-reload splitter.
1373 (movti): New expander.
1375 2006-01-18 Philippe De Muyter <phdm@macqel.be>
1377 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1380 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1382 * rtlanal.c (global_reg_mentioned_p_1,
1383 global_reg_mentioned_p): Remove.
1384 * rtl.h: Remove the prototype for global_reg_mentioned_p.
1386 * flow.c (initialize_uninitialized_subregs): Make it static.
1387 * rtl.h: Remove the prototype for
1388 initialize_uninitialized_subregs.
1390 * function.c (instantiate_virtual_regs): Make it static.
1391 * function.h: Remove the prototype for
1392 instantiate_virtual_regs.
1394 * regmove.c (regmove_optimize, combine_stack_adjustments):
1396 * rtl.h: Remove the prototypes for regmove_optimize and
1397 combine_stack_adjustments.
1399 2006-01-17 Roger Sayle <roger@eyesopen.com>
1401 * config/i386/i386.c (COSTS_N_BYTES): New macro.
1402 (size_cost): Encode costs in bytes so that a reg-reg addition is
1403 equivalent to COSTS_N_INSNS(1).
1404 (override_options): Use the size_cost.branch_cost as the default
1405 ix86_branch_cost when optimizing for size.
1407 2006-01-18 Ben Elliston <bje@au.ibm.com>
1409 * Makefile.in (D32PBIT_FUNCS): New.
1410 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
1411 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
1412 D64PBIT_FUNCS and D128PBIT_FUNCS.
1413 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
1414 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
1416 (decnumber_dep): Define.
1417 * doc/libgcc.texi (Decimal float library routines): New node.
1418 * config/dfp-bit.h, config/dfp-bit.c: New files.
1420 2006-01-18 Ben Elliston <bje@au.ibm.com>
1422 * expr.c (emit_move_change_mode): Always adjust addresses, not
1423 just during reload. Copy replacements only during reload.
1424 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
1425 emit_move_via_integer.
1427 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
1429 * Makefile.in (check-%, check-consistency): Use $${srcdir}
1430 instead of $(srcdir) and ${srcdir}.
1432 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
1436 * arm.h (struct machine_function): Add pic_reg.
1437 * arm.c (arm_pic_register): Make unsigned.
1438 (arm_override_options): Only set arm_pic_register if
1439 TARGET_SINGLE_PIC_BASE.
1440 (use_return_insn): Only test for a pic register if it is fixed.
1441 (arm_compute_save_reg0_reg12_mask): Likewise.
1442 (thumb_compute_save_reg_mask): Likewise.
1443 (legitimate_pic_operand): Factor out some known invariants.
1444 (legitimize_pic_address): If we don't have a fixed pic register,
1445 then set up a pseudo in the function entry sequence. Handle the
1446 pic base being in a pseudo.
1447 (arm_load_pic_register): Handle the pic register being in a pseudo.
1448 (arm_expand_prologue): Only set up the pic register if it is fixed.
1449 (thumb_expand_prologue): Likewise.
1450 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
1451 (pic_load_addr_based_insn): Likewise.
1452 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
1455 2006-01-18 Ben Elliston <bje@au.ibm.com>
1457 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
1458 decimal float modes for all floating point registers.
1460 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
1461 match_code "mem" with match_test "macho_lo_sum_memory_operand".
1463 2006-01-17 Jakub Jelinek <jakub@redhat.com>
1466 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
1467 even when the pointer is not NULL.
1469 2006-01-16 Ian Lance Taylor <ian@airs.com>
1471 * common.opt (ftoplevel-reorder): New option.
1472 * cgraph.c (cgraph_asm_nodes): New global variable.
1473 (cgraph_asm_last_node): New static variable.
1474 (cgraph_order): New global variable.
1475 (cgraph_create_node): Set new order field.
1476 (cgraph_varpool_node): Likewise.
1477 (decide_is_variable_needed): Return true if not
1478 flag_toplevel_reorder.
1479 (cgraph_add_asm_node): New function.
1480 * cgraph.h (struct cgraph_node): Add order field.
1481 (struct cgraph_varpool_node): Add order field.
1482 (struct cgraph_asm_node): Define.
1483 (cgraph_asm_nodes, cgraph_order): Declare.
1484 (cgraph_add_asm_node): Declare.
1485 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
1487 (cgraph_varpool_assemble_pending_decls): Call it.
1488 (cgraph_output_pending_asms): New static function.
1489 (cgraph_finalize_compilation_unit): Call it.
1490 (struct cgraph_order_sort): Define.
1491 (cgraph_output_in_order): New static function.
1492 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
1493 !flag_toplevel_reorder case.
1494 * c-parser.c: Include "cgraph.h".
1495 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
1497 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
1498 than -fno-unit-at-a-time.
1499 * doc/invoke.texi (Option Summary): Mention
1500 -fno-toplevel-reorder.
1501 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
1502 -funit-at-a-time documentation.
1504 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
1505 Kazu Hirata <kazu@codesourcery.com>
1507 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
1509 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
1511 * Makefile.in (FUNCTION_H): New. Use it instead of
1512 function.h throughout the file.
1513 * function.h: Include tree.h.
1515 2006-01-17 Ben Elliston <bje@au.ibm.com>
1517 * recog.c: Separate some functions with whitespace.
1519 2006-01-16 Richard Henderson <rth@redhat.com>
1521 Merge from gomp branch:
1522 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
1523 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
1524 and rename from struct inline_data. Rename callee* to dst*;
1525 caller* to src*; add copy_decl hook, transform_call_graph_edges,
1526 transform_new_cfg, transform_return_to_modify, and
1527 transform_lang_insert_block flags; remove cloning_p, versioning_p,
1529 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
1530 (copy_decl_for_dup): Remove.
1531 * tree-inline.c (struct inline_data): Move to header.
1532 (insert_decl_map): Export.
1533 (remap_decl): Update for member name changes. Use copy_decl hook.
1534 Allow for replacement to be a non-decl. Remove dead code.
1535 (remap_type_1): Check for existing mapping.
1536 (remap_type): Export.
1537 (remap_decls): Update for member name changes.
1538 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
1539 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
1540 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
1541 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
1542 (tree_function_versioning, build_duplicate_type): Likewise.
1543 (copy_body_r): Likewise. Export.
1544 (copy_decl_for_dup): Split into ...
1545 (copy_decl_for_dup_finish, copy_decl_to_var,
1546 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
1547 (replace_ref_tree, inlining_p): Remove.
1549 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1551 * ifcvt.c (if_convert): Make it static.
1552 * rtl.h: Remove the prototype for if_convert.
1554 * local-alloc.c (local_alloc): Make it static.
1555 * rtl.h: Remove the prototype for local_alloc.
1557 * loop.c (loop_optimize): Make it static.
1558 * cfgloop.h: Remove the prototype for loop_optimize.
1561 2006-01-16 DJ Delorie <dj@redhat.com>
1563 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
1566 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1568 * pa.md: Disparage copies between general and floating-point registers
1569 in 32-bit move patterns.
1571 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
1574 * Makefile.in (check-%): Depend on site.exp instead of
1575 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
1578 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1580 * global.c (global_alloc): Make it static.
1581 * rtl.h: Remove the prototype for global_alloc.
1583 2006-01-16 Richard Guenther <rguenther@suse.de>
1585 * tree-ssa-alias.c (struct used_part): Add write_only field.
1586 (get_or_create_used_part_for): Initialize it to true.
1587 (create_overlap_variables_for): Don't create structure variables
1588 for structures that only are written to.
1589 (find_used_portions): Handle MODIFY_EXPR to track whether a
1590 structure is only written to.
1592 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1594 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
1596 * basic-block.h: Remove the prototype for
1597 partition_hot_cold_basic_blocks.
1599 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
1601 * cppspec.c (lang_specific_spec_functions): remove
1602 * gcc.c (lookup_spec_function): use static_spec_functions directelly
1603 * gcc.h (lang_specific_spec_functions): remove
1604 * gccspec.c (lang_specific_spec_functions): remove
1606 2005-01-16 Paolo Bonzini <bonzini@gnu.org>
1608 * combine.c (record_value_for_reg): Invalidate registers
1610 (record_dead_and_set_regs_1): Likewise, by passing them to
1611 record_value_for_reg.
1612 (record_dead_and_set_regs): Invalidate stores made by a
1613 call. We do not combine across a call, but we still
1614 relied on equivalences.
1616 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1618 * tree-vrp.c (extract_range_from_binary_expr): Cope with
1619 vrp_int_const_binop returning non-constant nodes.
1621 2006-01-16 Paul Brook <paul@codesourcery.com>
1623 * config/m68k/m68k.c (output_move_const_into_data_reg):
1624 Output correct mnemonic for mvz and mvs.
1626 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
1628 * rtl-factoring.c: Add sequence abstraction algorithm.
1629 * cfgcleanup.c (outgoing_edges_match): Extra checks.
1630 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
1632 (block_has_preserve_label): New function.
1633 * common.opt: Register new pass.
1634 * Makefile.in: Ditto.
1636 * timevar.def: Ditto.
1637 * tree-pass.h: Ditto.
1638 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
1639 * rtl.h (make_jump_insn_raw): Add forward decl.
1640 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
1642 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1643 Roger Sayle <roger@eyesopen.com>
1645 * fold-const.c (fold_minmax): New static function.
1646 (fold_binary) <MIN_EXPR>: Call it.
1647 <MAX_EXPR>: Likewise.
1648 * stor-layout.c (place_field): Use DECL_SIZE consistently
1649 in the computation of the new record size.
1651 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1653 * cse.c (cse_condition_code_reg): Make it static.
1654 * rtl.h: Remove the prototype for cse_condition_code_reg.
1656 * combine.c (combine_instructions): Make it static.
1657 * rtl.h: Remove the prototype for combine_instructions.
1659 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1662 * tree.c (get_file_function_name_long): Concatenate the first global
1663 object name with a string derived from the input filename of the object
1666 2006-01-16 Ben Elliston <bje@au.ibm.com>
1668 * config/i386/winnt-stubs.c: Update FSF address.
1669 * config/xtensa/ieee754-df.S: Ditto.
1670 * config/xtensa/ieee754-sf.S: Ditto.
1672 2006-01-14 Ian Lance Taylor <ian@airs.com>
1674 * ifcvt.c (noce_init_if_info): New static function, broken out of
1675 noce_process_if_block.
1676 (noce_process_if_block): Call noce_init_if_info.
1677 (check_cond_move_block): New static function.
1678 (cond_move_process_if_block): New static function.
1679 (process_if_block): Call cond_move_process_if_block.
1681 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
1683 * cselib.c (hash_table): Rename to cselib_hash_table.
1684 (cselib_clear_table, discard_useless_values,
1685 remove_useless_values, cselib_lookup_mem, cselib_lookup,
1686 cselib_init, cselib_finish): Adjust uses of hash_table.
1688 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
1690 PR tree-optimization/25485
1691 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
1692 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
1693 is known to be false and true, respectively.
1695 2006-01-14 Richard Guenther <rguenther@suse.de>
1697 PR tree-optimization/22548
1698 PR tree-optimization/22555
1699 PR tree-optimization/22501
1700 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
1701 * params.def (salias-max-array-elements): New parameter.
1702 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
1703 * doc/invoke.texi (salias-max-array-elements): Document.
1704 * tree-flow-inline.h (var_can_have_subvars): We also handle
1706 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
1708 * tree-ssa-structalias.c (params.h): Include.
1709 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
1710 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
1711 (get_constraint_for): For ADDR_EXPR operating on something
1712 containing an ARRAY_REF, add all subvars to the solution.
1713 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
1714 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
1715 for creating MUST_DEFs.
1716 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
1718 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
1720 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
1722 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
1723 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1724 number_of_iterations_le): New functions.
1725 (number_of_iterations_special): Removed.
1726 (number_of_iterations_exit): Do not use number_of_iterations_special.
1727 * tree.c (unsigned_type_for): Always return integer type.
1729 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
1730 Richard Guenther <rguenther@suse.de>
1732 PR rtl-optimization/24257
1733 * gcse.c (find_moveable_store): Only consider a store movable
1734 when the SET_SRC of the insn can be assigned to a register.
1736 2006-01-14 Ian Lance Taylor <ian@airs.com>
1738 * tree.c (tree_not_class_check_failed): New function.
1739 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
1740 (tree_not_class_check_failed): Declare.
1742 2006-01-13 Ian Lance Taylor <ian@airs.com>
1744 * reload1.c (do_output_reload): Add assertion rejecting a
1747 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
1749 * combine.c (struct reg_stat): Add new fields truncation_label and
1751 (record_value_for_reg): Reset truncated_to_mode.
1752 (record_truncated_value): New function.
1753 (check_promoted_subreg): Call it. Rename to check_conversions.
1754 (combine_instructions): Rename check_promoted_subreg to
1756 (reg_truncated_to_mode): New function.
1757 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
1758 (gen_lowpart_or_truncate): New function.
1759 (force_to_mode): Use it instead of gen_lowpart.
1761 2006-01-13 Diego Novillo <dnovillo@redhat.com>
1763 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
1764 VAR is a tag, not its type tag.
1766 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
1768 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
1769 alternatives to match style of other entries.
1770 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
1772 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
1774 PR tree-optimization/25771
1775 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
1778 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
1781 * tree-inline.c (declare_return_variable): If the return variable
1782 was marked as a non gimple complex, set the return slot variable
1783 to be a non gimple comple variable.
1785 2006-01-13 Richard Guenther <rguenther@suse.de>
1787 * builtins.c (expand_builtin_sincos): New function.
1788 (expand_builtin_mathfn_3): Remove dead code, sin and cos
1790 (expand_builtin): Expand sincos using expand_builtin_sincos.
1792 2006-01-12 DJ Delorie <dj@redhat.com>
1794 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
1795 shift counts, separate SI shifts for m32c vs m16c, pass shift type
1796 so that constant shifts can be split.
1797 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
1798 (m32c_valid_pointer_mode): Make static.
1799 (shift_gen_func_for): New.
1800 (m32c_prepare_shift): Use it. Split large const shifts into
1802 * config/m32c/predicates.md (shiftcount_operand): Allow more
1804 (longshiftcount_operand): New.
1805 * doc/md.texi (Machine Constraints): Document In6.
1807 2006-01-13 Ben Elliston <bje@au.ibm.com>
1809 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
1810 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
1813 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
1815 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
1816 to try to avoid clobbering pieces of structures when we know
1817 something about the whole structure.
1818 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
1820 2006-01-13 Ben Elliston <bje@au.ibm.com>
1822 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
1823 return in memory, as this is no limitation is no longer present.
1825 2006-01-12 DJ Delorie <dj@redhat.com>
1827 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
1828 mova with fb, and for fb+0 -> An.
1830 * config/m32c/mov.md (peephole2): Fix enabling logic.
1832 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
1833 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
1834 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
1835 FINI_ARRAY_SECTION_ASM_OP): Define.
1837 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
1839 (m32c_legitimize_reload_address): New logic to reload FB to An.
1840 (m32c_output_reg_push): Add newline.
1841 (m32c_output_reg_pop): Likewise.
1843 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
1845 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
1847 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
1849 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
1851 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1853 * config/sh/predicates.md (sh_rep_vec): Add parallel to
1856 2006-01-11 Ben Elliston <bje@au.ibm.com>
1858 * rtlanal.c (find_reg_note): Assert insn is not null.
1860 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
1862 * df-scan.c (df_hard_reg_init): Move declaration of i outside
1865 2006-01-11 Jeff Law <law@redhat.com>
1867 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
1869 (mark_threaded_blocks, register_jump_thread): New functions.
1870 (thread_through_all_blocks): Remove unwanted argument. No
1871 longer rely on e->aux to communicate thread target info.
1872 Call mark_threaded_blocks. Release the threaded_blocks
1873 bitmap and threaded_edges vector when complete.
1874 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
1875 (threaded_blocks): Remove.
1876 (tree_ssa_dominator_optimize): Remove initialization and
1877 finalization of threaded_blocks. Simplify call to
1878 thread_through_all_blocks.
1879 (thread_across_edge): Call register_jump_thread rather than
1880 storing thread information into e->aux.
1881 (free_all_edge_infos): Simplify now that e->aux is no longer
1882 used to communicate with thread_through_all_blocks.
1883 * tree-flow.h (thread_through_all_blocks): Update prototype.
1884 (register_jump_thread): Prototype.
1886 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1888 * df-core.c (df_compact_blocks, df_bb_replace): Use
1889 SET_BASIC_BLOCK instead of BASIC_BLOCK.
1891 2006-01-11 Richard Guenther <rguenther@suse.de>
1893 PR tree-optimization/25734
1894 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
1895 stop propagation after successful propagation to the LHS.
1897 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1899 * basic-block.h (control_flow_graph): Change the type of
1900 x_basic_block_info to VEC(basic_block,gc) *.
1901 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
1903 (SET_BASIC_BLOCK): New.
1904 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
1905 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
1906 * cfgbuild.c (find_basic_blocks): Likewise.
1907 * cfglayout.c (fixup_reorder_chain): Likewise.
1908 * cfgrtl.c (create_basic_block_structure,
1909 rtl_create_basic_block): Likewise.
1910 * ifcvt.c (find_if_case_1): Likewise.
1911 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
1914 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
1916 * Makefile.in: Removed rotted odf.c entry.
1918 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
1921 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
1922 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
1923 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
1924 output pattern modifier, not %e.
1925 * config/cris/cris.c (cris_op_str): Update comment about pattern
1927 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
1928 before falling through into...
1929 <case 'E'>: Redefined from old 'e' case.
1931 2006-01-11 Jan Hubicka <jh@suse.cz>
1934 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
1936 2006-01-11 Jan Hubicka <jh@suse.cz>
1938 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
1939 * i386.c (x86_decompose_lea): Kill.
1940 (ix86_rtx_costs): Kill.
1942 2006-01-11 Jan Hubicka <jh@suse.cz>
1944 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
1945 * cgraph.h (cgraph_node): Add inline_decl.
1946 (cgraph_insert_node_to_hashtable): Declare.
1947 (save_inline_function_body): Declare.
1948 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
1950 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
1951 (cgraph_function_versioning): Update call of tree_function_versioning.
1952 (save_inline_function_body): New function.
1953 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
1954 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
1955 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
1956 (cgraph_default_inline_p): Likewise.
1957 (cgraph_decide_inlining_incrementally): Likewise.
1958 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
1959 (copy_bb): Kill saving; do updating of clones.
1960 (copy_cfg_body): Kill saving.
1961 (initialize_inlined-parameters): Likewise.
1962 (expand_call_inline): Likewise.
1964 (tree_function_versioning): New parameter "update_clones".
1965 (inlining_p): Kill saving.
1966 * tree-inline.h (tree_function_versioning): Update prototype.
1967 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
1970 2006-01-11 Ian Lance Taylor <ian@airs.com>
1972 * combine.c (struct undo): Remove is_int. Enumify types of undos.
1973 Allow undoing set of machine mode.
1974 (do_SUBST): Use enums instead of is_int.
1975 (do_SUBST_MODE): New function.
1976 (SUBST_MODE): New macro.
1977 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
1978 reg and trying to replace reg_regno_rtx with a new register.
1979 (undo_all): Use new enums, handle undoing a PUT_MODE change.
1980 (simplify_set): Use SUBST_MODE.
1981 (distribute_notes): Remove code that tried to update reg notes
1982 for regno_reg_rtx changes.
1984 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
1986 PR tree-optimization/23109
1987 PR tree-optimization/23948
1988 PR tree-optimization/24123
1990 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
1991 * tree-cfg.c (single_noncomplex_succ): New.
1992 * tree-flow.h (single_noncomplex_succ): Declare it.
1993 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
1994 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
1995 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
1996 insert_bb, register_division_in, insert_reciprocals,
1997 replace_reciprocal, free_bb): New.
1998 (execute_cse_reciprocals_1): Rewritten.
1999 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2000 Do not commit any edge insertion. Always compute dominators and
2001 create the allocation pool.
2002 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2003 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2004 * targhooks.c (default_min_divistions_for_recip_mul): New.
2005 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2006 * passes.c (init_optimization_passes): Run recip after tree loop
2008 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2010 2005-01-11 Danny Berlin <dberlin@dberlin.org>
2011 Kenneth Zadeck <zadeck@naturalbridge.com>
2013 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2014 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2015 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2016 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2017 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2018 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2019 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2020 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2021 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2022 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2023 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2024 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2025 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2026 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2027 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2028 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2029 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2030 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2031 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2032 DF_SCAN_POST_ALLOC): New macros.
2033 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2034 df_free_bb_function, df_local_compute_function, df_init_function,
2035 df_dataflow_function, df_confluence_function_0,
2036 df_confluence_function_n, df_transfer_function,
2037 df_finalizer_function, df_free_function, df_dump_problem_function,
2038 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2039 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2040 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2041 df_urec_bb_info, ) New types.
2042 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2044 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2045 df_analyze_simple_change_some_blocks,
2046 df_analyze_simple_change_one_block, df_compact_blocks,
2047 df_bb_replace, df_bb_regno_last_use_find,
2048 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2049 df_insn_regno_def_p, df_find_def, df_find_use,
2050 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2051 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2052 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2053 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2054 debug_df_chain, df_get_dependent_problem, df_chain_create,
2055 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2056 df_grow_bb_info, df_chain_dump, df_print_bb_index,
2057 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2058 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2059 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2060 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2061 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2062 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2063 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2064 df_ref_remove, df_insn_refs_delete, df_refs_delete,
2065 df_reorganize_refs, df_set_state, df_hard_reg_init,
2066 df_read_modify_subreg_p) New public functions.
2067 * df-core.c: The core dataflow solver and glue routines for rtl
2069 (df_init, df_add_problem, df_set_blocks, df_finish,
2070 df_hybrid_search_forward, df_hybrid_search_backward,
2071 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2072 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2073 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2074 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2075 df_reg_defined, df_find_use, df_reg_used, df_dump,
2076 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2077 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2078 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2079 debug_df_useno, reset_df_after_reload): New functions.
2080 * df-scan.c: The scanning fuctions, once in df.c, completely
2081 rewritten so that they now fully model the functionality of
2082 register usage at the backend.
2083 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2084 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2085 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2086 df_grow_insn_info, df_rescan_blocks, df_ref_create,
2087 df_get_artificial_defs, df_get_artificial_uses,
2088 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2089 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2090 df_refs_delete, df_reorganize_refs, df_set_state,
2091 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2092 df_def_record_1, df_defs_record, df_uses_record,
2093 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2094 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2095 df_record_exit_block_uses, df_hard_reg_init): New functions.
2097 * df-problems.c: Seven concrete dataflow problems that use the
2098 scanning in df-scan.c and are solved by the engine in df-core.c.
2099 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2100 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2101 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2102 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2103 df_ru_free_bb_info, df_ru_alloc,
2104 df_ru_bb_local_compute_process_def,
2105 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2106 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2107 df_ru_transfer_function, df_ru_free, df_ru_dump,
2108 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2109 df_rd_free_bb_info, df_rd_alloc,
2110 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2111 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2112 df_rd_transfer_function, df_rd_free, df_rd_dump,
2113 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2114 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2115 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2116 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2117 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2118 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2119 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2120 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2121 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2122 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2123 df_urec_mark_reg_change, df_urec_check_earlyclobber,
2124 df_urec_mark_reg_use_for_earlyclobber,
2125 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2126 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2127 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2128 df_urec_dump, df_urec_add_problem, df_chain_alloc,
2129 df_chain_create_bb_process_use, df_chain_create_bb,
2130 df_chain_finalize, df_chain_free, df_chains_dump,
2131 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2132 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2133 df_reg_lifetime): New functions.
2134 * df.c: Deleted file.
2135 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2136 consistent with new df api.
2137 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2138 rest_of_handle_sms): Ditto.
2139 * web.c (unionfind_union, union_defs, entry_register, web_main):
2141 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2142 invariant_expr_equal_p, find_defs, check_dependencies,
2143 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2144 free_inv_motion_data, move_loop_invariants): Ditto.
2145 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2146 Update dependencies.
2147 (odf.c): Added defective entry that was deleted later in day.
2148 * sched-deps.c (sched_analyze_1): Ditto.
2150 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
2152 * tree-ssa-operands.c (get_expr_operands): Record addressable
2153 variables directly. Do not call add_stmt_operands for CONST_DECLs
2155 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2156 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2158 2006-01-11 Ben Elliston <bje@au.ibm.com>
2160 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2161 function returns true in the positive case.
2163 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2166 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2167 for SI, DI, SF and DF modes. Add alternatives to copy between
2168 general and floating point registers to the 32-bit patterns.
2169 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2170 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2171 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2172 generating 64-bit code.
2173 * config/pa/pa.c (output_move_double): Handle copies between general
2174 and floating registers.
2176 2006-01-10 Stuart Hastings <stuart@apple.com>
2178 * config/i386/i386.md (set_got): Update.
2179 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
2180 (builtin_setjmp_receiver): Mach-O support.
2181 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2182 (GOT_SYMBOL_NAME): Define.
2183 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2184 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2185 * config/i386/i386.c (override_options): Revise for Darwin.
2186 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
2187 support. (darwin_x86_file_end): New. (output_set_got): Add label
2188 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
2189 * config/i386/i386-protos.h (output_set_got): Likewise.
2190 * config/darwin.c (machopic_legitimize_pic_address): Update
2193 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
2195 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2196 when MODE isn't BLKmode.
2198 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2200 PR rtl-optimization/25367
2201 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2203 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
2206 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2207 for a negative bound.
2209 2006-01-10 Richard Guenther <rguenther@suse.de>
2211 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2212 Never override with anything constraint.
2214 2006-01-10 Jan Beulich <jbeulich@novell.com>
2216 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2217 256 bits when optimize_size.
2219 2006-01-10 Jan Beulich <jbeulich@novell.com>
2221 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2223 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2224 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2227 2006-01-10 Ben Elliston <bje@au.ibm.com>
2229 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2231 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2232 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2233 (USE_FP_FOR_ARG): Reject decimal float modes.
2234 (function_arg_advance): Likewise.
2235 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2236 (rs6000_handle_altivec_attribute): Do not permit decimal floating
2237 point types in AltiVec vectors.
2238 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2239 (rs6000_libcall_value): Likewise.
2241 2006-01-09 Bob Wilson <bob.wilson@acm.org>
2243 * config/xtensa/ieee754-df.S: New file.
2244 * config/xtensa/ieee754-sf.S: New file.
2245 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2246 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2247 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2249 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
2251 * config/sh/predicates.md (binary_float_operator,
2252 binary_logical_operator, commutative_float_operator,
2253 equality_comparison_operator, greater_comparison_operator,
2254 less_comparison_operator, logical_operator,
2255 noncommutative_float_operator, shift_operator,
2256 symbol_ref_operand, unary_float_operator): Remove redundant
2259 2006-01-09 Jeff Law <law@redhat.com>
2261 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2262 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
2263 now unused arguments. Callers updated.
2264 (eliminate_redundant_computations): Remove now unused arguments,
2266 (local_fold): Remove, no longer used.
2267 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2269 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2270 (simplify_cond): New function.
2271 (forward_propagate_into_cond): Call simplify_cond.
2273 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
2275 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2276 (*vec_extractv2di_1_sse): New.
2278 2006-01-09 Ben Elliston <bje@au.ibm.com>
2280 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2282 2006-01-08 Richard Guenther <rguenther@suse.de>
2284 * tree-ssa-structalias.c (get_constraint_for): Remove
2286 (get_constraint_for_component_ref): Likewise.
2287 (do_deref): Likewise.
2288 (get_constraint_for): Likewise.
2289 (do_structure_copy): Likewise.
2290 (handle_ptr_arith): Likewise.
2291 (find_func_aliases): Likewise. Remove unused need_anyoffset
2294 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
2295 Kaz Kojima <kkojima@gcc.gnu.org>
2297 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2298 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2299 (EXTRA_CONSTRAINT_C16): Remove.
2300 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2301 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2302 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2303 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2304 constants of SHmedia. Handle nested constant expressions of
2306 (andcosts): Fix the costs for SHmedia constants.
2307 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2308 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2309 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2310 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2311 (movv4hi_i, movv2si_i): Likewise.
2312 (movsi_const): Adjust the second operand of ior so to match with
2314 (movdi_const, movdi_const_32bit): Likewise.
2315 (movdi_const_16bit+1): Don't sign-extend LOW.
2316 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
2318 (*double_shori): Fix the split condition. Use GEN_INT instead
2319 of get_int_mode calls. Mask lower 16-bit of the argument of
2321 (sym2GOTPLT): Remove.
2322 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2324 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2325 instead of EXTRA_CONSTRAINT_C16.
2327 2006-01-07 Ian Lance Taylor <ian@airs.com>
2328 David Edelsohn <edelsohn@gnu.org>
2330 PR rtl-optimization/25662
2331 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2332 for constant operands instead of simplify_gen_binary.
2333 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2334 after trying simplify_binary_operation
2336 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
2338 * tree.c (iterative_hash_expr): Hash decls based on UID.
2340 2006-01-06 Eric Christopher <echristo@apple.com>
2342 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2343 (TARGET_UNWIND_EMIT): Fix spelling.
2344 * target.h (gcc_target): Add except_table_label.
2345 * except.c (output_function_exception_table): Use.
2346 * varasm.c (default_emit_except_table_label): New.
2347 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2349 (asm_out): Add here.
2350 * output.h (default_emit_except_table_label): Prototype.
2351 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2352 * config/darwin.c (darwin_emit_except_table_label): Define.
2353 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2355 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
2357 PR tree-optimization/18527
2358 * tree-ssa-loop-niter.c (number_of_iterations_cond,
2359 number_of_iterations_special, number_of_iterations_exit):
2360 Move base and step of an iv to a single structure. Add
2361 no_overflow flag, and use it in # of iterations analysis.
2362 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2363 folded_casts argument.
2364 (simple_iv): Pass base and step in a structure. Set no_overflow
2366 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2367 Evaluate expensiveness of computing # of iterations instead of
2368 the final expression.
2369 * tree-scalar-evolution.h (affine_iv): New structure.
2370 (simple_iv): Declaration changed.
2371 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2372 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2373 find_givs_in_stmt): Changed due to simple_iv change.
2375 2006-01-06 Jeff Law <law@redhat.com>
2378 * tree-cfg.c (bsi_replace): Rename final argument from
2379 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
2380 change (stmt -> orig_stmt).
2381 * tree-eh.c (verify_eh_throw_stmt_node): New function.
2382 (bsi_remove): Add new argument. Remove EH information
2384 (verify_eh_throw_table_statements): New function.
2385 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
2387 * tree-optimize.c (execute_free_cfg_annotations): Verify
2388 the EH throw statement table after removing annotations.
2389 * except.h (verify_eh_throw_table_statements): Prototype.
2390 * tree-flow.h (bsi_remove): Update prototype.
2391 * tree-vrp.c (remove_range_assertions): Add new argument to
2393 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2394 * tree-complex.c (expand_complex_div_wide): Likewise.
2395 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2396 * tree-tailcall.c (eliminate_tailcall): Likewise.
2397 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2398 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2399 * tree-nrv.c (tree_nrv): Likewise.
2400 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
2401 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
2402 (combine_blocks): Likewise.
2403 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
2404 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
2405 (cleanup_control_flow): Likewise.
2406 (remove_forwarder_block): Likewise.
2407 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2408 * tree-sra.c (sra_replace): Likewise.
2409 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
2410 (forward_propagate_single_use_vars): Likewise.
2411 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2412 * tree-inline.c (expand_call_inline): Likewise.
2413 * tree-vect-transform.c (vect_transform_loop): Likewise.
2414 * tree-outof-ssa.c (rewrite_trees): Likewise.
2415 * tree-cfg.c (make_goto_expr_edges): Likewise.
2416 (cleanup_dead_labels): Likewise.
2417 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
2418 (bsi_move_before, bsi_move_after): Likewise.
2419 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
2420 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
2422 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
2425 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
2427 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
2428 on non gimple variables. Also add checks at the top for decls and
2430 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
2432 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
2433 and IMAGPART_EXPR for creating MUST_DEFs.
2434 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
2435 and NAME_MEMORY_TAG separately from the DECLs.
2437 2006-01-06 Richard Guenther <rguenther@suse.de>
2439 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
2440 annotation, if necessary.
2441 * tree-ssa-pre.c (create_expression_by_pieces): Remove
2442 redundant calls to update_stmt.
2443 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
2446 2006-01-05 Richard Henderson <rth@redhat.com>
2448 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
2450 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2452 * c-typeck.c: Update copyright date.
2454 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2456 * c-typeck.c (build_c_cast): Always warn when casting
2457 from a pointer to an integer of different size, even if
2458 the node was constant.
2460 2006-01-05 Richard Guenther <rguenther@suse.de>
2462 PR tree-optimization/22555
2463 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
2464 if one structure field is an array.
2465 * tree-ssa-operands.c (get_expr_operands): Continue scanning
2466 operands even if we found a subvar, but ignore VOPs in this
2468 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
2470 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
2472 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
2475 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
2477 2006-01-05 Richard Guenther <rguenther@suse.de>
2478 Diego Novillo <dnovillo@redhat.com>
2480 * tree-pass.h (TODO_remove_unused_locals): Define.
2481 * gimple-low.c (expand_var_p, remove_useless_vars,
2482 pass_remove_useless_vars): Remove. Update all users.
2483 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
2484 (remove_unused_locals): New function.
2485 * tree-flow.h (remove_unused_locals): Declare.
2486 * passes.c (execute_todo): Call remove_unused_locals if
2487 TODO_remove_unused_locals is set.
2488 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
2489 * tree-ssa-dce.c (pass_dce): Likewise.
2490 * tree-outof-ssa.c (pass_del_ssa): Likewise.
2492 2006-01-05 Richard Guenther <rguenther@suse.de>
2494 * tree-flow.h (struct fieldoff): Decompose field to
2495 type, size and decl.
2496 * tree-ssa-alias.c (create_sft): Take type as parameter.
2497 (create_overlap_variables_for): Store type, size and decl
2498 in the fieldoff structure.
2499 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
2501 (push_fields_onto_fieldstack): Likewise.
2502 (create_variable_info_for): Likewise. Use offset for the
2503 SFT name if the decl is not available.
2505 2006-01-04 Paul Brook <paul@codesourcery.com>
2507 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
2509 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
2511 * lambda-code.c (can_put_in_inner_loop): Relax
2513 (can_put_after_inner_loop): New function.
2514 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
2515 (perfect_nestify): Change to make copies and modify uses.
2517 2006-01-04 Richard Henderson <rth@redhat.com>
2519 Merge from gomp branch:
2520 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
2521 via integer constant.
2522 (pragma_lex): Remove.
2523 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
2524 rather than parsing it.
2525 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
2526 handle_pragma_extern_prefix): Add %< %> quotes.
2527 (registered_pragmas): New.
2528 (c_register_pragma_1): New.
2529 (c_register_pragma): Use it.
2530 (c_register_pragma_with_expansion): Likewise.
2531 (c_invoke_pragma_handler): New.
2532 (init_pragma): Use cpp_register_deferred_pragma directly for
2534 * c-pragma.h (enum pragma_kind): New.
2535 (pragma_handler): New.
2536 (c_invoke_pragma_handler): Declare.
2537 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
2539 * c-common.h (c_common_pch_pragma): Update decl.
2540 * Makefile.in (c-parser.o): Update dependencies.
2541 (GTFILES): Add c-pragma.h.
2542 * c-parser.c (struct c_token): Add pragma_kind.
2543 (struct c_parser): Add in_pragma.
2544 (c_lex_one_token): Always initialize keyword and pragma_kind.
2545 Extract data for CPP_PRAGMA.
2546 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
2547 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
2548 Don't allow CPP_PRAGMA_EOL if in_pragma.
2549 (c_parser_consume_pragma): New.
2550 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
2551 (c_parser_skip_to_end_of_parameter): Likewise.
2552 (c_parser_skip_to_end_of_block_or_statement): Likewise.
2553 (c_parser_skip_to_pragma_eol): New.
2554 (c_parser_external_declaration): Handle CPP_PRAGMA.
2555 (c_parser_compound_statement_nostart): Likewise.
2556 (c_parser_statement_after_labels): Likewise.
2557 (c_parser_pragma): New.
2558 (pragma_lex): Likewise.
2559 (c_parser_pragma_pch_preprocess): New.
2560 (c_parser_new): Merge into ...
2561 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
2563 2006-01-04 Jeff Law <law@redhat.com>
2566 * tree-cfg.c (bsi_replace): Remove the original statement
2567 from the EH throw statement table.
2569 2006-01-04 Jakub Jelinek <jakub@redhat.com>
2571 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
2572 make the prototype extern "C" and add throw ().
2575 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
2576 and pos non-negative and pos + len <= 32.
2577 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
2578 drop pos + len < HOST_BITS_PER_WIDE_INT test.
2579 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
2582 * c-common.c (handle_vector_size_attribute): Reject zero vector size
2583 as well as sizes not multiple of component size.
2586 * function.c (instantiate_expr): New function.
2587 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
2588 walk its DECL_VALUE_EXPR with instantiate_expr.
2590 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
2591 DW_OP_deref{,_size} if address isn't going to be added.
2593 2006-01-04 Ben Elliston <bje@au.ibm.com>
2595 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
2596 * config/fp-bit.c: Likewise.
2598 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
2600 * dominance.c: Add comment about why we use DFS numbering
2603 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2604 Richard Henderson <rth@redhat.com>
2606 Merge from gomp-branch:
2607 * varasm.c (assemble_variable): Handle thread-local COMMON data.
2608 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
2610 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
2612 PR rtl-optimization/25578
2613 * combine.c (combine_simplify_rtx, force_to_mode): Don't
2614 pass a parameter to simplify_shift_const if changing ASHIFTRT
2617 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
2619 * builtins.c (get_builtin_sync_mem): New function.
2620 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
2621 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
2622 Call get_builtin_sync_mem to generate mem rtx.
2624 2006-01-03 Richard Guenther <rguenther@suse.de>
2627 * stmt.c (add_case_node): Make sure to clear overflow flags
2630 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2632 Merge from gomp-branch.
2633 * config/sparc/sync.md: New file.
2634 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
2635 UNSPECV_LDSTUB): New constants.
2636 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
2637 * config/sparc/predicates.md (memory_reg_operand): New predicate.
2638 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
2641 2006-01-03 Roger Sayle <roger@eyesopen.com>
2643 * combine.c (reg_subword_p): New predicate to test whether the
2644 destination of a set refers to a subword/piece of a register.
2645 (try_combine): Generalize the code to merge the setting of a
2646 pseudo to a constant followed by a set of a subword of that
2647 register to a constant.
2649 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
2651 * basic-block.h (control_flow_graph): Change the type of
2652 x_label_to_block_map to VEC(basic_block,gc) *.
2653 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
2654 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
2656 * tree-ssa-propagate.c (cfg_blocks): Change the type to
2657 VEC(basic_block,heap) *.
2658 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
2659 ssa_prop_fini): Adjust the uses of cfg_blocks.
2661 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
2663 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
2665 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
2666 hashing trees instead of a pointer hash.
2667 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
2668 compare for MEM_EXPR.
2670 PR rtl-optimization/25130
2671 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
2672 when comparing MEMs for GCSE
2674 2006-01-03 Ben Elliston <bje@au.ibm.com>
2676 * targhooks.h (default_decimal_float_supported_p): Declare.
2677 * targhooks.c (default_decimal_float_supported_p): Define.
2678 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
2679 `default_decimal_float_supported_p'.
2680 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
2682 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
2684 * combine.c (apply_distributive_law <SUBREG>): Check
2685 TRULY_NOOP_TRUNCATION.
2687 2006-01-02 Geoffrey Keating <geoffk@apple.com>
2689 * dwarf2out.c (have_switched_text_section): Delete.
2690 (have_multiple_function_sections): New.
2691 (have_location_lists): Make 'bool'.
2692 (add_AT_loc_list): Use 'true' not '1'.
2693 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
2694 (output_loc_list): Use have_multiple_function_sections.
2695 (output_ranges): Likewise.
2696 (dwarf2out_begin_function): Set have_multiple_function_sections if
2698 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
2699 Check function_section rather than DECL_SECTION_NAME.
2700 (dwarf2out_finish): Use have_multiple_function_sections.
2701 Don't clear have_location_lists.
2703 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
2704 Jan Hubicka <jh@suse.cz>
2706 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
2707 case of conditional jump jumping to the next instruction.
2708 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
2709 cases of conditional jump jumping to the next instruction.
2711 2006-01-02 Jan Hubicka <jh@suse.cz>
2713 * i386.c (*_cost): Add COSTS_N_INSNS.
2714 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
2716 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
2719 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
2721 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2723 * config/arm/arm.c (all_fpus): Fix comment typo.
2724 * config/darwin.c: Likewise.
2725 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
2726 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
2727 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
2729 2006-01-01 David Edelsohn <edelsohn@gnu.org>
2731 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
2732 (rs6000_split_compare_and_swapqhi): New.
2733 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
2734 (sync_compare_and_swapqhi_internal): New.
2735 * config/rs6000/rs6000-protos.h: Declare.