1 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
4 * tree-ssa-pre.c (phi_translate): Return NULL
7 2006-01-24 Zack Weinberg <zackw@panix.com>
9 * genautomata.c (process_state_for_insn_equiv_partition):
10 Use xcalloc for insn_arcs_array.
11 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14 2006-01-24 Richard Henderson <rth@redhat.com>
16 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
19 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
21 PR rtl-optimization/25890
22 PR rtl-optimization/25905
23 * combine.c (expand_compound_operation, expand_field_assignment):
24 Fail if the bitfield's final position is out of bounds.
26 2006-01-24 Ian Lance Taylor <ian@airs.com>
29 * cgraphunit.c (cgraph_output_in_order): Don't clear
30 cgraph_asm_nodes until after asm strings have been output.
32 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
34 * fix-header.c (read_scan_file): Add new parameter imultilib when
35 calling register_include_chains.
37 2006-01-23 Diego Novillo <dnovillo@redhat.com>
39 * omp-low.c: Update documentation.
41 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
42 Daniel Berlin <dberlin@dberlin.org>
46 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
47 return from the function.
49 2006-01-22 Zack Weinberg <zackw@panix.com>
51 * rtl.def (match_code): Add second argument.
52 * genpreds.c (write_extract_subexp): New function.
53 (write_match_code): Add path argument. Use write_extract_subexp.
54 (write_predicate_expr): Pass path to write_match_code.
55 (mark_mode_tests): MATCH_CODE applied to a subexpression does
56 not perform a mode test.
57 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
58 a subexpression does not constrain the top-level code set.
59 * read-rtl.c (read_rtx_variadic): New function.
60 (read_rtx_1): Use it; allow AND and IOR to be variadic.
61 * doc/md.texi: Document new notation.
62 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
63 (cmpsi_operand): ... here, using new notation.
65 2006-01-22 Zack Weinberg <zackw@panix.com>
67 * varray.c: Remove GENERATOR_FILE #ifdefs.
69 2006-01-22 Zack Weinberg <zackw@panix.com>
71 * genautomata.c (output_reserved_units_table): Emit nothing if
72 description->query_units_num is zero. Remove extra blank line.
73 (output_cpu_unit_reservation_p): Short circuit
74 if description->query_units_num is zero.
76 2006-01-22 Zack Weinberg <zackw@panix.com>
78 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
79 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
80 nor any of the random handful of variables that used to be necessary
81 when this program was linked with rtlanal.o. Prune set of forward
82 function declarations.
83 (struct attr_desc): Remove static_p field.
84 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
85 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
86 (attr_string): Do not read the character one past the length of
88 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
89 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
90 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
91 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
92 (make_automaton_attrs): New.
93 (main): Do not call into genautomata. Call local gen_bypass
94 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
95 Remove special case for insn_alts.
96 * genautomata.c: Include gensupport.h; not genattrtab.h nor
97 varray.h (leftover from previous change). Prune set of forward
98 function declarations. Remove state_alts fields from all
99 structures. Remove state_alts_table from struct automaton.
100 Make everything except main static. Do not maintain num_dfa_decls.
101 Do not maintain state_alts fields of various structures.
102 (process_decls): Don't validate condexp for dm_insn_reserv decls.
103 (add_arc): Remove state_alts argument. All callers updated.
104 (output_reserved_units_table): Emit #ifdef here...
105 (output_tables): ...not here. Don't generate state_alts tables.
106 (expand_automata): Don't generate attributes.
107 (write_automata): Don't generate state_alts functions.
108 (main): New function.
109 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
110 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
111 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
112 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
113 (BYPASS_P_FUNC_NAME, output_state_alts_table)
114 (output_automata_list_state_alts_code, output_internal_state_alts_func)
115 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
116 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
118 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
119 * genattrtab.h: Delete file.
120 * Makefile.in (OBJS-common): Add insn-automata.o.
121 (insn-automata.o): New rule.
122 (simple_generated_c): Add insn-automata.c.
123 (build/genattrtab.o, build/genautomata.o): Update dependencies.
124 (genprogmd): Add automata.
125 (build/genattrtab): Needs no extra objects nor libraries.
126 (build/genautomata): Needs build/vec.o and -lm.
128 2006-01-22 Zack Weinberg <zackw@panix.com>
130 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
131 (output_dfa_max_issue_rate, locked_states_num): Delete.
132 (struct automaton): Add locked_states field.
133 (output_dead_lock_vect): Save number of locked states in
134 automaton->locked_states. If it is zero, don't print anything.
135 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
136 (output_internal_dead_lock_func): Only test the dead_lock_vect
137 for automata that have locked states.
138 (output_statistics): Always print the number of locked states for
139 each automaton. Calculate total number of locked states here.
140 (write_automata): Don't call output_dfa_max_issue_rate.
141 * genattrtab.c: Define length_unit_log as a const variable.
142 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
143 max_insn_queue_index const.
144 * final.c (length_unit_log): Declare const.
145 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
147 2006-01-22 Zack Weinberg <zackw@panix.com>
149 * genautomata.c: Include vec.h, not varray.h.
150 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
151 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
152 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
153 VEC_* macros operating on appropriately typed vectors, or to
154 malloced arrays when the size is known in advance. Const-ify
155 many char* variables and function arguments. No functional changes.
156 * Makefile.in (build/varray.o): Delete rule.
157 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
158 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
160 2006-01-22 Zack Weinberg <zackw@panix.com>
162 * gensupport.c: Define get_insn_name and record_insn_name here.
163 (read_md_rtx): Call record_insn_name as appropriate.
164 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
165 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
166 * genpreds.c, genrecog.c: Don't define get_insn_name nor
168 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
169 (BUILD_VARRAY): Delete.
170 (genprognormal): Rename genprogmd. Fold in all programs from
171 genprognoprint; also attrtab.
172 (build/genattrtab): Just mention genautomata.o and varray.o.
173 Reorganize a bit, add comments to make the categories clearer.
175 2006-01-22 Zack Weinberg <zackw@panix.com>
177 * genconditions.c (condition_table, add_condition): Delete.
178 (write_conditions): Don't emit n_insn_conditions nor
179 insn_elision_unavailable. Issue the gcc version #ifdef here,
180 inside the table, with no #else clause ...
181 (write_header): ...not here.
182 (write_writer): New function.
183 (main): Don't initialize condition_table. Use add_c_test.
185 * gensupport.c (init_md_reader_args_cb): Handle multiple input
186 files on the command line.
187 (maybe_eval_c_test): Don't check insn_elision_unavailable.
188 Return -1 if there is no entry in the table, don't abort.
189 (add_c_test, traverse_c_tests): New functions.
190 * gensupport.h (insn_elision_unavailable, insn_conditions)
191 (n_insn_conditions): Delete declarations.
192 (add_c_test, traverse_c_tests): Declare.
193 * read-rtl.c: Include gensupport.h.
194 (read_conditions): New function.
195 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
196 (read_rtx_1): If we get EOF when we were looking for an initial
197 open paren, return 0. Call read_conditions when appropriate.
198 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
199 dummy-conditions.o. Eliminate references to insn-conditions.o,
200 or change them to build/gencondmd.o, as appropriate. Remove
201 insn-constants.h from $(simple_generated_h) and insn-conditions.c
202 from $(simple_generated_c). For all files remaining in those
203 two lists, add insn-conditions.md to the generator command line.
204 Give insn-constants.h/s-constants their own rules. Add rules
205 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
206 (build/read-rtl.o): Depend on gensupport.h.
207 (genprognormal): Include preds.
208 (genprogearly): Rename genprognoprint; only difference is now that
209 they don't link with $(BUILD_PRINT).
210 * dummy-conditions.c: Delete.
212 2006-01-22 Zack Weinberg <zackw@panix.com>
214 * genextract.c: Don't include insn-config.h. Do include vec.h.
215 Declare vectors of int, char, and locstr.
216 (locstr): New typedef.
217 (struct extraction): Make all array fields into bare pointers.
218 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
219 (insn_code_number): Delete.
220 (accum_extract): New struct.
221 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
222 (gen_insn): Take insn_code_number as an argument. Use an
223 accum_extract structure instead of loading data directly into
224 a struct extraction, and having to know how big it might get.
225 (walk_rtx): Operate entirely on an accum_extract structure.
226 (print_path): Avoid unnecessary use of printf.
227 (print_header): New function, split out of main. Distinguish
228 more carefully between an unrecognizable insn and an insn that
229 has the code number of a define_expand.
230 (main): Pass insn_code_number to gen_insn. Call print_header
231 only after parsing. Avoid unnecessary use of printf.
232 * Makefile.in (build/vec.o): New rule.
233 (build/genextract): Depend on build/vec.o.
234 (build/genextract.o): Don't depend on insn-config.h.
236 2006-01-22 Zack Weinberg <zackw@panix.com>
238 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
239 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
240 practical. Eliminate per-generator-program link rules.
242 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
245 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
246 with a call expr to ...
247 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
249 2006-01-23 Richard Guenther <rguenther@suse.de>
251 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
252 before make_edge with conditional EDGE_TRUE_VALUE.
254 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
255 Jan Hubicka <jh@suse.cz>
256 Richard Guenther <rguenther@suse.de>
258 PR rtl-optimization/25654
259 * cfgexpand.c (aggregate_contains_union_type): New function.
260 (add_alias_set_conflicts): Call it. Make sure to add conflicts
261 for structure variables that contain a union type.
263 2006-01-23 Richard Sandiford <richard@codesourcery.com>
265 * gengtype.c (new_structure): Return the structure.
266 (create_option): Add an extra "next" argument.
267 (create_field): New function.
268 (adjust_field_rtx_def): Use create_option and create_field.
269 Remove a now-unnecessary call to find_structure.
270 (adjust_field_tree_def): Likewise.
271 (note_yacc_type): Remove an unnecessary call to find_structure.
272 * gengtype.h (new_structure): Return the structure.
273 (create_option): Add an extra argument.
274 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
275 (option): Adjust calls to create_option.
277 2006-01-22 David Edelsohn <edelsohn@gnu.org>
279 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
281 2006-01-22 Paul Brook <paul@codesourcery.com>
282 Peter Barada <peter@the-baradas.com>
284 * config/m68k/m68k.md: Add Coldfire FPU support.
285 Define FP mode macro and associated attributes.
286 Use it for float mode patterns.
287 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
288 (LIBCALL_VALUE): Use m68k_libcall_value.
289 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
290 (m68k_function_value): Ditto.
291 (emit_move_sequence): Ditto.
292 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
293 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
294 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
295 (MULTILIB_EXCEPTIONS): Ditto.
296 * config/m68k/m68k.opt: Add mcfv4e.
297 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
298 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
299 (m68k_output_function_prologue): Save ColdFire FPU registers.
300 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
301 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
302 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
303 ColdFire FPU registers.
304 (m68k_libcall_value, m68k_function_value): New functions.
305 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
306 (LIBCALL_VALUE): Use m68k_libcall_value.
307 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
308 (MASK_COLDFIRE): Add MASK_CFV4E.
309 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
310 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
311 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
312 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
313 (GO_IF_LEGITIMATE_ADDRESS): Use it.
314 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
315 * doc/invoke.tex: Document -mcfv4e on m68k.
317 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
319 * doc/contribute.texi: Change CVS to SVN and update the corresponding
322 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
325 * c-opts.c (c_common_handle_option): Don't include
326 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
327 * doc/invoke.texi (C++ Dialect Options): Document that
328 -Wnon-virtual-dtor is no longer included in -Wall.
330 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
332 * gcov.c (print_version), gcov-dump.c (print_version),
333 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
336 2005-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
338 * df-scan.c (problem_SCAN): Added NULL reset function.
339 (df_scan_reset_blocks): Added code to call reset block function
340 (df_bb_refs_delete) Fixed comment.
341 (df_insn_refs_delete): Made tolerant of deleting non existent info
342 for dataflow problems that need to be reset.
343 * df-core.c (df_set_blocks): Ditto.
344 * df.h (struct df_problem): Added reset_fun.
345 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
346 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
347 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
348 functions to clear out all references to def-use or use-def chains.
350 2006-01-21 Ben Elliston <bje@au.ibm.com>
352 * varasm.c (assemble_real): Initialise data array.
354 2006-01-20 Paul Brook <paul@codesourcery.com>
356 Merge from csl-arm-branch.
357 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
358 * config/arm/arm.md (movdi): Force operands[1] to a register
359 if we have a non-register source.
360 (*arm_movdi, *movdf_soft_insn): Require that one of the
361 operands be a register.
362 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
363 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
365 2006-01-20 DJ Delorie <dj@redhat.com>
367 * varasm.c (initialize_constant_valid_p): Allow pointers
368 initialized from integer constants of lesser precision.
369 (output_constant): Allow non-int-sized pointer modes to be
370 initialized from integer constants.
372 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
375 * cppdefault.h (struct default_include): Add multilib flag.
376 * cppdefault.c (cpp_include_defaults): Set it.
377 * c.opt (-imultilib): New option.
378 * c-opts.c (imultilib): New.
379 (c_common_handle_option): Handle -imultilib.
380 (c_common_post_options): Likewise.
381 * c-incpath.c (add_standard_paths, register_include_chains):
383 * c-incpath.h (register_include_chains): Add extra parameter.
384 * gcc.c (do_spec_1): Generate -imultilib option.
385 (The Specs Language): Update %I description.
386 (process_command): Update copyright notice.
387 * doc/cppopts.texi (-imultilib): Document.
388 * doc/invoke.texi (-imultilib): Include in option summary.
389 (%I): Update specs documentation.
391 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
393 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
395 2006-01-20 Richard Sandiford <richard@codesourcery.com>
397 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
400 2006-01-20 Richard Guenther <rguenther@suse.de>
401 Steven Bosscher <stevenb.gcc@gmail.com>
403 PR rtl-optimization/24626
404 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
405 EDGE_TRUE_VALUE if in RTL mode.
408 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
409 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
411 2006-01-20 Dirk Mueller <dmueller@suse.com>
414 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
415 instead of a special NOP marker.
416 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
418 * c-common.h (empty_body_warning): Add forward declaration.
419 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
420 Now uses IS_EMPTY_STMT() instead of special NOP markers.
422 2005-01-20 Paul Brook <paul@codesourcery.com>
424 * Makefile.in (lang_checks): Keep going if mkdir fails.
426 2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
428 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
429 be able to clean out basic block when not necessary.
430 (df_scan_free): Fixed to properly delete information if df is
431 unused before calling df_finish.
432 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
433 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
435 (df_bb_refs_delete): New function.
436 (df_refs_delete): Moved per block code to df_bb_refs_delete.
437 * df-core.c (df_set_blocks): Added code to properly clean out
438 unused blocks if they are not part of the blocks to consider.
439 Added additional null check.
440 (df_compact_blocks): Added basic block parameter to free_bb_fun to
441 be able to clean out basic block when not necessary
442 * df.h (df_free_bb_function): Ditto.
443 (df_bb_refs_delete): New function.
444 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
445 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
446 basic block parameter to be able to clean out basic block when not
448 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
449 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
450 Fixed to properly delete information if df is unused before
453 2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
455 PR rtl-optimization/25799
456 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
457 Corrected confluence operator to remove bits from op2 before oring
458 with op1 rather than removing bits from op1.
459 (df_ru_transfer_function): Corrected test on wrong bitmap which
460 caused infinite loop. Both of these problems were introduced in
461 the dataflow rewrite.
463 2006-01-19 DJ Delorie <dj@redhat.com>
465 * reload1.c (find_reload_regs): Note the details of reload
466 failures in the dump file.
467 (spill_failure): Likewise.
469 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
471 * loop-iv.c: Include df.h and hashtab.h.
472 (enum iv_grd_result): New enum.
473 (DF_REF_IV, DF_REF_IV_SET): New macros.
474 (struct biv_entry): New.
475 (df, bivs): New global variables.
476 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
477 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
479 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
480 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
481 analyzed_for_bivness_p, record_biv): New functions.
482 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
483 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
484 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
486 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
488 (iv_number_of_iterations): Use new interface to iv analysis.
489 * loop-unroll.c: Do not include varray.h.
490 (analyze_iv_to_split_insn): Use new interface to iv
492 * loop-unswitch.c (may_unswitch_on): Ditto.
493 * df.c (df_bitmaps_free): Only work for bbs for that structures are
495 (df_bb_modify): Realloc tables to the new index.
496 (df_find_use): New function.
497 * df.h (df_find_use): Declare.
498 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
500 * cfgloop.h (struct rtx_iv): Remove analysed field.
501 (iv_get_reaching_def): Removed.
502 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
503 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
504 (loop-iv.o): Add df.h and hashtab.h dependency.
505 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
507 2006-01-20 Alan Modra <amodra@bigpond.net.au>
509 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
511 (__floatundisf, __floatundidf): Likewise.
512 * libgcc2.h (IS_IBM_EXTENDED): Define.
514 2006-01-19 DJ Delorie <dj@redhat.com>
516 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
518 2006-01-19 Paul Brook <paul@codesourcery.com>
520 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
521 as nothrow when unwinding tables are disabled.
523 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
526 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
527 of bit-field" when in system header.
529 2006-01-19 DJ Delorie <dj@redhat.com>
531 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
532 the 16 bit shift limit of the m16c.
534 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
537 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
538 * config/i386/i386.c (output_set_got): Output the label if we have one
539 for the TARGET_DEEP_BRANCH_PREDICTION case.
541 2006-01-19 Jan Hubicka <jh@suse.cz>
542 H.J. Lu <hongjiu.lu@intel.com>
543 Evandro Menezes <evandro.menezes@amd.com>
545 * invoke.texi (generic): Document
547 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
548 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
549 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
550 (x86_use_incdec, x86_pad_returns): New variables
551 (TARGET_CPU_DEFAULT_generic): New constant
552 (TARGET_CPU_DEFAULT_NAMES): Add generic.
553 (enum processor_type): Add generic32 and generic64.
554 * i386.md (cpu attribute): Add generic32/generic64
555 (movhi splitter): Behave sanely when both partial_reg_dependency and
556 partial_reg_stall are set.
557 (K8 splitters): Enable for generic as well.
558 * predicates.md (incdec_operand): Use TARGET_INCDEC
559 (aligned_operand): Avoid memory mismatch stalls.
560 * athlon.md: Enable for generic64, new patterns for 128bit moves.
561 * ppro.md: Enable for generic32
562 * i386.c (generic64_cost, generic32_cost): New.
563 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
564 (x86_use_leave): Enable for generic64. (x86_use_sahf,
565 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
566 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
567 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
568 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
569 x86_partial_reg_dependency, x86_memory_mismatch_stall,
570 x86_accumulate_outgoing_args, x86_prologue_using_move,
571 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
572 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
574 (x86_use_incdec, x86_pad_returns): New.
575 (override_options): Add generic32 and generic64, translate "generic"
576 to generic32/generic64 and "i686" to "generic32", refuse
577 "generic32"/"generic64" as arch target.
578 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
579 (ix86_reorg): Honor PAD_RETURNS.
581 2006-01-19 Diego Novillo <dnovillo@redhat.com>
583 * tree-pretty-print.c (dump_generic_node): Handle
584 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
585 * cgraph.c (cgraph_expand_queue): Rename from
586 cgraph_analyze_queue. Update all users.
587 * cgraphunit.c (cgraph_assemble_pending_functions): Process
589 (cgraph_expand_all_functions): Likewise.
590 (cgraph_finalize_pending_functions): Remove. Update callers.
592 * tree.h (OMP_DIRECTIVE_P): Define.
593 (OMP_PARALLEL_FN): Define.
594 (OMP_PARALLEL_DATA_ARG): Define.
595 (OMP_SECTIONS_SECTIONS): Define.
596 * tree-pass.h (pass_expand_omp): Declare.
597 * omp-low.c (struct omp_region): Declare.
598 (struct omp_context): Remove fields 'parallel_type',
599 'parallel_start_ix' and 'parallel_start_additional_args'.
601 (struct omp_for_data): Rename from struct expand_omp_for_data.
602 (omp_regions): New static variable.
603 (root_omp_region): New static variable.
604 (find_omp_clause): Make static.
605 (is_in_combined_parallel_ctx): Remove.
606 (is_combined_parallel): New.
607 (extract_omp_for_data): Move earlier in the file.
608 (workshare_safe_to_combine_p): New.
609 (get_ws_args_for): New.
610 (determine_parallel_type): Move earlier in the file.
611 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
613 (omp_copy_decl): Likewise.
614 (create_omp_child_function): Likewise.
615 (lookup_omp_region): New.
616 (dump_omp_region): New.
617 (debug_omp_region): New.
618 (debug_all_omp_regions): New.
619 (new_omp_region): New.
620 (scan_omp_parallel): If parallel_nesting_level > 1, the
621 directive is nested within another parallel directive.
623 (scan_omp_for): Do not try to handle combined parallel+for
625 Remove FIXME comment.
626 (scan_omp_nested): Remove.
627 (scan_omp_1): Do not call scan_omp_nested when
628 parallel_nesting_level is > 1.
629 Do not change the DECL_CONTEXT of local variables found.
630 (lookup_decl_in_outer_ctx): New.
631 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
632 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
633 (lower_reduction_clauses): Rename from expand_reduction_clauses.
634 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
635 If CTX is nested, lookup VAR in the outer context when
636 building copy assignment.
637 (lower_send_clauses): Rename from expand_send_clauses.
638 If CTX is nested, lookup VAR in the outer context when
639 building copy assignments.
640 (lower_send_shared_vars): Rename from expand_send_shared_vars.
641 If CTX is nested, lookup VAR in the outer context when
642 building copy assignments.
643 (expand_parallel_call): Rename from build_parallel_call.
644 Handle combined parallel+workshare cases.
645 Re-implement to emit code into the CFG.
647 (expand_omp_parallel): Re-implement to emit code into the CFG.
648 Call move_sese_region_to_fn to outline the sub-graph
649 containing the parallel region.
650 (expand_omp_for_1): Remove.
651 (expand_omp_for_generic): Re-implement to emit code into the
653 (expand_omp_for_static_nochunk): Likewise.
654 (expand_omp_for_static_chunk): Likewise.
655 (expand_omp_for): Likewise.
656 (expand_omp_sections): Likewise.
657 (remove_exit_barriers): New.
658 (expand_omp_synch): New.
660 (build_omp_regions_1): New.
661 (build_omp_regions): New.
662 (execute_expand_omp): New.
663 (gate_expand_omp): New.
664 (pass_expand_omp): Define.
665 (lower_omp_sections): Rename from expand_omp_sections.
666 Set OMP_SECTIONS_SECTIONS.
667 (lower_omp_single_simple): Rename from expand_omp_single_simple.
668 (lower_omp_single_copy): Rename from expand_omp_single_copy.
669 (lower_omp_single): Rename from expand_omp_simple.
670 (lower_omp_master): Rename from expand_omp_master.
671 (lower_omp_ordered): Rename from expand_omp_ordered.
672 (lower_omp_critical): Rename from expand_omp_critical.
673 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
674 (lower_omp_for): Re-implement.
675 (lower_omp_parallel): Re-implement.
676 (lower_regimplify): Rename from expand_regimplify.
677 (lower_omp_1): Rename from expand_omp_1.
678 If there are syntax errors in the program, replace every
679 OpenMP directive with NOP.
680 Call lower_omp_* instead of expand_omp_*.
681 (lower_omp): Rename from expand_omp.
683 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
684 * tree-gimple.h (enum omp_parallel_type): Remove.
685 (gimple_boolify): Declare extern.
686 (find_omp_clause, determine_parallel_type): Remove.
688 * gimple-low.c (lower_omp_directive): New.
689 (lower_stmt): Call it.
690 (record_vars_into): Move from ...
691 (record_vars): ... here.
692 Call record_vars_into with current_function_decl.
694 * gimplify.c (struct gimplify_ctx): Remove fields
695 combined_pre_p and combined_ctxp. Update users.
696 (get_formal_tmp_var): Add documentation.
697 (gimple_boolify): Make extern.
698 (gimplify_expr_in_ctx): Remove. Update callers.
699 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
700 will always be a BIND_EXPR.
701 (gimplify_expr): Handle OMP_RETURN_EXPR.
702 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
703 (OMP_PARALLEL): Add 3 operands.
704 (OMP_SECTIONS): Add 1 operand.
705 (OMP_RETURN_EXPR): Define.
707 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
708 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
709 * tree-iterator.c (alloc_stmt_list): Assert that we are not
710 creating a circular free list.
711 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
713 * tree-flow.h (move_sese_region_to_fn): Declare.
714 (record_vars_into): Declare.
715 * tree-cfg.c (make_omp_sections_edges): New.
716 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
717 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
718 OMP_SECTIONS and OMP_SECTION.
719 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
720 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
721 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
722 (gather_blocks_in_sese_region): New.
723 (struct move_stmt_d): Declare.
725 (move_block_to_fn): New.
726 (move_sese_region_to_fn): New.
728 * passes.c (init_optimization_passes): Schedule
729 pass_expand_omp after pass_init_datastructures.
731 * tree-ssa-operands.c (get_expr_operands): Handle
732 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
733 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
735 2006-01-19 Jeff Law <law@redhat.com>
737 * tree-vrp.c (extract_range_from_assert): Refine the result range
738 if the variable referenced by the ASSERT_EXPR has a range and
739 either the tentative result range or the previous range is a
742 2006-01-19 Richard Sandiford <richard@codesourcery.com>
744 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
746 2006-01-19 Jan Hubicka <jh@suse.cz>
748 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
750 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
752 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
753 (expand_compound_operation, expand_field_assignment): Fail if the
754 bit lengths of an extract operation are out of range.
755 (make_extraction): Compute wanted_inner_mode based on the position
756 and length of the extraction. Make it extraction_mode for non-constant
757 positions, and do not modify offset in that case. When generating a
758 new MEM, use a mode that can hold the extraction while keeping correct
759 alignment. Remove code that supported MEMs wrapped by USEs.
760 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
762 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
764 * config/s390/s390.md ("Y", "y"): New mode attribute.
765 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
766 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
767 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
768 "*addsi3_imm_cc", "*addsi3_carry1_cc",
769 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
770 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
771 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
772 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
773 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
774 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
775 "addsi3", "subsi3"): Insn patterns removed.
776 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
777 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
778 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
779 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
780 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
781 "*sub<mode>3_cconly2"): New insn patterns.
782 ("addsi3", "subsi3"): New expanders.
784 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
786 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
787 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
788 existing STMT_VINFO_VECTYPE if available.
789 (vect_mark_relevant): Add special handling for stmts that are
790 marked as STMT_VINFO_IN_PATTERN_P.
791 (vect_analyze_loop): Call vect_pattern_recog.
792 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
793 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
795 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
796 (vect_recog_func_ptr): New function-pointer type.
797 * tree-vect-patterns.c: New file.
798 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
799 (vect_recog_dot_prod_pattern, vect_pattern_recog):
800 (vect_pattern_recog_1): New functions.
801 (vect_pattern_recog_funcs): New array of function pointers.
803 * tree-vectorizer.h (ternary_op): New enum value.
804 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
805 declaration. Revised documentation. Removed redundant dump prints.
806 Removed redundant argument. Added support for reduction patterns.
807 (vectorizable_reduction): Added support for reduction patterns.
808 (vect_transform_stmt): Added support for patterns.
810 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
811 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
812 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
813 (expand_widen_pattern_expr): New function.
814 (init_optabs): Initialize new optabs udot_prod_optab,
816 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
817 (sdot_prod_optab, udot_prod_optab): Define new optabs.
818 (expand_widen_pattern_expr): New function declaration.
819 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
821 * tree-inline.c (estimate_num_insns_1): Added cases for new
822 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
823 * tree-pretty-print.c (dump_generic_node): Likewise.
825 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
826 * tree-ssa-operands.c (get_expr_operands): Added case for
828 * tree-vect-patterns.c (widened_name_p): New function.
829 (vect_recog_dot_prod_pattern): Added function implementation.
830 * tree-vect-transform.c (get_initial_def_for_reduction): Added
831 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
832 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
833 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
835 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
836 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
837 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
838 (init_optabs): Initialize new optabs widen_ssum_optab,
840 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
841 (widen_ssum_optab, widen_usum_optab): Define new optabs.
842 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
843 use instead of type of def.
844 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
845 function implementation.
846 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
847 widen_ssumv8hi): New.
849 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
852 2006-01-19 Richard Sandiford <richard@codesourcery.com>
855 * c-decl.c (add_flexible_array_elts_to_size): New function.
856 (finish_decl): Use it.
858 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
860 * diagnostic.h: Include options.h.
861 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
862 dependancies for diagnostic.h.
863 * Makefile.in (DIAGNOSTIC_H): Add options.h.
865 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
867 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
868 (ssa_ro_call_cache_valid): Ditto.
869 * tree-ssa-alias.c (sort_tags_by_id): New function.
870 (init_transitive_clobber_worklist): Ditto.
871 (add_to_worklist): Ditto.
872 (mark_aliases_call_clobbered): Ditto.
873 (compute_tag_properties): Ditto.
874 (set_initial_properties): Ditto.
875 (compute_call_clobbered): Ditto.
876 (compute_may_aliases): Call compute_call_clobbered and grouping.
877 (compute_flow_sensitive_aliasing): Remove clobbering related code.
878 (compute_flow_insensitive_aliasing): Grouping now happens in our
880 (setup_pointers_and_addressables): Remove clobbering related code.
881 (add_may_alias): Ditto.
882 (replace_may_alias): Ditto.
883 (get_nmt_for): Ditto.
885 (is_escape_site): Return an escape_type enumeration.
886 * tree-flow-inline.h (is_call_clobbered): Global var does not
887 imply call clobbered.
888 (mark_call_clobbered): Take a reason for marking this. Remove
889 marking of globalness, and cache invalidation.
890 (clear_call_clobbered): Remove cache invalidation code.
891 * tree-dfa.c (dump_variable): If details is on, dump the reason
893 * tree-outof-ssa.c (create_temp): Copy escape mask from original
895 * tree-flow.h (struct ptr_info_def): Add escape mask member.
896 (struct var_ann_d): Ditto.
897 (enum escape_type): New.
898 (mark_call_clobbered): Adjust prototype.
899 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
900 are never call clobbered.
901 Record reasons for escaping.
902 * tree-ssa-structalias.h (is_escape_site): Update prototype.
903 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
904 (ssa_ro_call_cache_valid): Ditto.
905 (clobbered_v_may_defs): Ditto.
906 (clobbered_vuses): Ditto.
907 (ro_call_vuses): Ditto.
908 (clobber_stats): New.
909 (init_ssa_operands): Zero out clobber stats.
910 (fini_ssa_operands): Print out clobber stats.
911 (get_call_expr_operands): Pass callee fndecl to
913 (add_call_clobber_ops): Remove use of cache.
914 Add use of PURE_CONST information.
915 (add_call_read_ops): Remove use of cache.
916 Add use of static not_read information.
918 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
920 Introduce TLS descriptors for i386 and x86_64.
921 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
922 (TARGET_ANY_GNU_TLS): New macro.
923 (enum tls_dialect): Added TLS_DIALECT_GNU2.
924 (struct machine_function): Add tls_descriptor_call_expanded_p.
925 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
926 (ix86_current_function_calls_tls_descriptor): Likewise.
927 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
928 (override_options): Introduce gnu2 tls dialect.
929 (ix86_frame_pointer_required): Functions containing TLSCALLs are
931 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
933 (legitimize_tls_address): Adjust logic for GNU2 TLS.
934 (ix86_init_machine_status): Initialize new field.
935 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
936 (ix86_tls_module_base): New.
937 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
938 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
939 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
940 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
941 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
942 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
943 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
944 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
945 * config/i386/predicates.md (tls_modbase_operand): New.
946 (tp_or_register_operand): New.
948 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
950 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
951 (look_for_address_of): Ditto.
952 (ipa_init): Walk the function decls.
953 (static_execute): Don't set readonly on FUNCTION_DECL's.
955 2006-01-18 Roger Sayle <roger@eyesopen.com>
957 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
958 for shifts where the source and destination registers are different.
960 2006-01-18 Paul Brook <paul@codesourcery.com>
962 Merge from csl-arm-branch.
963 2005-03-14 Julian Brown <julian@codesourcery.com>
964 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
965 (aeabi_llsl): Likewise.
967 (aeabi_lasr): Likewise.
969 (aeabi_llsr): Likewise.
970 2005-03-10 Julian Brown <julian@codesourcery.com>
971 * config.gcc: Disable shared libgcc for SymbianOS.
972 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
974 2006-01-18 DJ Delorie <dj@redhat.com>
976 * c-pragma.c (handle_pragma_diagnostic): New.
977 (init_pragma): Register it.
978 * doc/extend.texi: Document it.
980 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
981 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
982 (diagnostic_context): Add classify_diagnostic[].
983 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
984 as errors if they're overridden to DK_WARNING.
985 (diagnostic_initialize): Initialize classify_diagnostic[].
986 (diagnostic_set_kind_override): New.
987 (diagnostic_report_diagnostic): Check for kind changes.
988 * opts.c (common_handle_option): Take lang_mask. Update callers.
990 * common.opt (Werror=): New.
991 * doc/invoke.texi: Document -Werror=*
993 2006-01-18 Jeff Law <law@redhat.com>
995 * tree-vrp.c (test_for_singularity): Correct test for new
996 min limit. Use operand_equal_p rather than pointer equality
997 for testing if new min/max values are equal.
999 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1000 using range information until after propagation and folding.
1002 2006-01-18 Richard Henderson <rth@redhat.com>
1003 Aldy Hernandez <aldyh@redhat.com>
1004 Jakub Jelinek <jakub@redhat.com>
1005 Diego Novillo <dnovillo@redhat.com>
1007 * omp-low.c: New file.
1008 * c-omp.c: New file.
1010 2006-01-18 Richard Henderson <rth@redhat.com>
1011 Jakub Jelinek <jakub@redhat.com>
1012 Diego Novillo <dnovillo@redhat.com>
1014 * doc/invoke.texi: Document -fopenmp.
1015 * tree-dump.h (debug_function): Declare.
1016 * hooks.c (hook_bool_tree_bool_false): New function.
1017 (hook_tree_tree_null): Remove.
1018 (hook_tree_tree_tree_null): New.
1019 * hooks.h: Update to match.
1020 * tree-pretty-print.c (debug_tree_chain): New.
1021 (print_generic_expr): Handle TDF_CHAIN.
1022 (dump_generic_node): Handle BLOCK.
1023 Do not abort with incomplete SWITCH_EXPRs.
1024 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1025 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1026 print space after directive name.
1027 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1028 Handle OMP_MASTER and OMP_ORDERED.
1029 Handle printing of OMP_BODY just in one place, goto
1030 dump_omp_body in the rest of OMP_* nodes that have
1032 Don't handle clause nodes here. Update omp statements to
1033 use dump_omp_clauses.
1034 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1035 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1036 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1037 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1038 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1039 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1040 Adjust output for GOMP_PARALLEL.
1041 (dump_omp_clauses): New.
1042 (print_declaration): Dump DECL_VALUE_EXPR.
1043 (op_symbol_1): Split out of op_symbol.
1044 (dumping_stmts): Remove. Update all users.
1045 * cgraph.c (cgraph_analyze_queue): New.
1046 (cgraph_add_new_function): New.
1047 * cgraph.h (cgraph_analyze_queue): Declare.
1048 (cgraph_add_new_function): Declare.
1049 (cgraph_lower_function): Remove.
1050 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1051 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1052 and TYPE_P nodes in its default clause.
1053 (empty_body_p): New.
1054 (tree_range_check_failed): New.
1056 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1057 OMP_CLAUSE_REDUCTION_MERGE,
1058 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1059 OMP_CLAUSE_PRIVATE_DEBUG,
1060 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1061 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1062 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1063 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1064 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1065 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1066 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1067 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1068 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1069 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1070 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1071 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1072 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1073 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1074 (TREE_RANGE_CHECK): New.
1075 (empty_body_p): Declare.
1076 (enum omp_clause_default_kind): New.
1077 (build_string_literal): Declare.
1078 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1079 (build5_stat, build5): Declare.
1080 * tree-pass.h (TDF_CHAIN): Define.
1081 * tree-pass.h (PROP_gimple_lomp): Define.
1082 (pass_lower_omp): Declare.
1083 * diagnostic.h (debug_tree_chain): Declare.
1084 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1086 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1087 * builtins.c (build_string_literal): Make extern.
1088 * gcc.c (include_spec_function): New.
1089 (static_spec_functions): Add it.
1090 (main): Move load of libgomp.spec ...
1091 (LINK_COMMAND_SPEC): ... here.
1092 (link_gomp_spec): New.
1093 (static_specs): Include it.
1094 (LINK_COMMAND_SPEC): Add link_gomp.
1095 (GOMP_SELF_SPECS): New.
1096 (driver_self_specs): Include it.
1097 (switch_matches): Don't mark inline.
1098 (main): Load libgomp.spec.
1099 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1100 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1101 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1102 * tree-gimple.h (enum omp_parallel): Declare.
1103 (determine_parallel_type): Declare.
1104 (omp_firstprivatize_variable): Declare.
1105 (omp_reduction_init): Declare.
1106 (diagnose_omp_structured_block_errors): Declare.
1107 (struct walk_stmt_info): Add want_return_expr.
1108 (struct walk_stmt_info): Add want_bind_expr, want_locations.
1109 (find_omp_clause): Declare.
1110 (insert_field_into_struct): Declare.
1111 (struct walk_stmt_info): Move from tree-nested.c
1112 (walk_stmts): Declare.
1113 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1115 * cgraphunit.c (cgraph_lower_function): Make static.
1116 (cgraph_finalize_pending_functions): New.
1117 (cgraph_finalize_function): Call it.
1118 (cgraph_finalize_compilation_unit): Likewise.
1119 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1120 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1121 (BT_FN_UINT_UINT): New.
1122 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1123 DEF_FUNCTION_TYPE_VAR_4): Document.
1124 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1125 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1126 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1127 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1128 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1129 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1130 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1131 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1132 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1133 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1134 into separate files.
1135 (DEF_GOMP_BUILTIN): New.
1136 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1137 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1138 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1139 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1140 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1141 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1142 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1143 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1144 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1145 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1146 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1147 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1148 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1149 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1150 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1151 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1152 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1153 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1154 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1155 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1156 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1157 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1158 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1159 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1160 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1161 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1162 * sync-builtins.def: New file, moved from builtins.def.
1163 * omp-builtins.def: New file, moved from builtins.def.
1164 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1165 * gimple-low.c (lower_function_body): Clear data.
1166 (lower_stmt): Do not handle COMPOUND_EXPR.
1167 Remove call to print_node_brief.
1168 * c-tree.h (c_finish_omp_clauses): New prototype.
1169 (C_DECL_THREADPRIVATE_P): Define.
1170 (lookup_name_no_remap, c_omp_remap_private): Remove
1171 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1172 (check_for_loop_decls): Update decl.
1173 (lookup_name_no_remap, c_omp_remap_private): Declare.
1174 (build_indirect_ref, build_modify_expr, pushdecl,
1175 pushdecl_top_level): Move to c-common.h.
1176 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1177 before the switch, but just in the 2 places that need it.
1178 * c-decl.c (diagnose_mismatched_decls): Do not check for
1179 mismatched thread-local attributes when OLDDECL is marked
1180 threadprivate and NEWDECL has no thread-local attributes.
1181 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1182 (c_gimple_diagnostics_recursively): Rename from
1183 c_warn_unused_result_recursively. Invoke
1184 diagnose_omp_structured_block_errors.
1185 (check_for_loop_decls): Return a singular decl found.
1186 * langhooks.c (lhd_omp_predetermined_sharing): Return
1187 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1188 (lhd_omp_firstprivatize_type_sizes): New.
1189 (lhd_omp_assignment): New.
1190 (lhd_omp_predetermined_sharing): New.
1191 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1192 (struct lang_hooks_for_types): Add
1193 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1194 omp_predetermined_sharing, omp_disregard_value_expr,
1195 omp_private_debug_clause, omp_clause_default_ctor,
1196 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1197 (c_finish_omp_clauses): New.
1198 (c_finish_bc_stmt): Diagnose break within omp for.
1199 (c_begin_omp_parallel, c_finish_omp_parallel): New.
1200 (build_unary_op): Return error_mark after reporting
1202 (build_modify_expr): Likewise.
1203 * gimplify.c: Include optabs.h and pointer-set.h.
1204 (enum gimplify_omp_var_data): Declare.
1205 (struct gimplify_omp_ctx): Declare.
1206 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1208 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1209 (push_gimplify_context, pop_gimplify_context): Allow nesting.
1210 (splay_tree_compare_decl_uid): New.
1211 (new_omp_context): New.
1212 (delete_omp_context): New.
1213 (gimple_add_tmp_var): Call omp_add_variable.
1214 (gimplify_bind_expr): Likewise.
1215 (gimplify_var_or_parm_decl): If omp_notice_variable returned
1216 true, disregard DECL_VALUE_EXPR on the decl if any.
1217 (gimplify_expr_in_ctx): New.
1218 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1219 omp_add_variable, omp_notice_variable, omp_is_private
1220 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1221 gimplify_adjust_omp_clauses, gimplify_omp_parallel
1222 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1223 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1224 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1225 gimplify_omp_atomic): New.
1226 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1227 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1228 OMP_CRITICAL and OMP_ATOMIC.
1229 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1230 * c-pragma.h (enum pragma_kind): Add
1231 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1232 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1233 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1234 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1235 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1236 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1237 PRAGMA_OMP_THREADPRIVATE.
1238 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1239 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1240 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1241 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1242 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1243 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1244 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1245 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1246 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1247 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1248 * tree-ssa-dce.c (find_control_dependence): Do not assume that
1249 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1250 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1252 (struct nesting_info): Add field_map,
1253 suppress_expansion, debug_var_chain.
1254 (create_nesting_tree): Initialize them.
1255 (lookup_field_for_decl): Use field_map.
1256 (get_nonlocal_debug_decl, get_local_debug_decl): New.
1257 (convert_local_omp_clauses): New.
1258 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1259 (walk_body): Split out of walk_function.
1260 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1261 (convert_nonlocal_reference): Handle omp statements.
1262 (convert_local_reference): Likewise.
1263 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1264 (unnest_nesting_tree): New.
1265 (lower_nested_functions): Call it.
1266 (insert_field_into_struct): Make extern.
1267 (struct walk_stmt_info): Move to tree-gimple.h.
1268 (walk_stmts): Make extern.
1269 * omp-builtins.def: New file.
1270 * tree-iterator.c (expr_only): Clarify comment.
1271 * c-common.h (pushdecl_top_level, pushdecl,
1272 build_modify_expr, build_indirect_ref,
1273 c_finish_omp_master, c_finish_omp_critical,
1274 c_finish_omp_ordered, c_finish_omp_barrier,
1275 c_finish_omp_atomic, c_finish_omp_flush,
1276 c_finish_omp_for, c_split_parallel_clauses,
1277 omp_clause_default_kind, c_omp_sharing_predetermined,
1278 c_omp_remap_decl): Declare.
1279 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1280 (OBJS-common): Add omp-low.o.
1281 (c-omp.o, omp-low.o): Add.
1282 (gimplify.o): Add dependency on $(OPTABS_H).
1283 (GTFILES): Add omp-low.c.
1284 (gt-stringpool.h): Add.
1285 * tree-cfg.c (set_bb_for_stmt): Do not update the
1286 block-to-labels map if we are currently expanding to RTL.
1287 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1289 Handle IDENTIFIER_NODE.
1290 (tree_verify_flow_info): Do not ICE when emitting error
1291 messages about invalid labels.
1292 (dump_function_to_file): Reset CFUN before emitting the body
1294 (debug_function): New.
1295 * passes.c (init_optimization_passes): Schedule
1297 * langhooks-def.h (lhd_omp_predetermined_sharing,
1298 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1300 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1301 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1302 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1303 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1304 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1305 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1306 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1307 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1308 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1309 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1310 (LANG_HOOK_DECLS): Use them.
1312 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1313 Richard Henderson <rth@redhat.com>
1314 Jakub Jelinek <jakub@redhat.com>
1315 Diego Novillo <dnovillo@redhat.com>
1317 * c-parser.c (pragma_omp_clause): Define.
1318 (c_parser_declaration_or_fndef): Document OpenMP syntax.
1319 (c_parser_compound_statement): Likewise.
1320 (c_parser_statement): Likewise.
1321 (c_parser_pragma): Handle omp pragmas.
1322 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1323 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1324 (c_parser_omp_clause_name, check_no_duplicate_clause,
1325 c_parser_omp_variable_list,
1326 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1327 c_parser_omp_clause_copyprivate,
1328 c_parser_omp_clause_default,
1329 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1330 c_parser_omp_clause_lastprivate,
1331 c_parser_omp_clause_nowait,
1332 c_parser_omp_clause_num_threads,
1333 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1334 c_parser_omp_clause_reduction,
1335 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1336 c_parser_omp_all_clauses, c_parser_omp_structured_block,
1337 c_parser_omp_atomic, c_parser_omp_barrier,
1338 c_parser_omp_critical, c_parser_omp_flush,
1339 c_parser_omp_for_loop, c_parser_omp_for,
1340 c_parser_omp_master, c_parser_omp_ordered,
1341 c_parser_omp_sections_scope, c_parser_omp_sections,
1342 c_parser_omp_parallel, c_parser_omp_single,
1343 c_parser_omp_construct, c_parser_omp_threadprivate): New.
1344 * c-pragma.c (init_pragma): Do omp pragma registration here.
1345 * c.opt (fopenmp): New flag.
1347 2006-01-18 Eric Christopher <echristo@apple.com>
1349 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1350 * config/darwin.h (GOMP_SELF_SPECS): Define.
1352 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1354 * rtl.h: Remove the prototype for reg_alloc.
1356 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1359 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1360 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1361 sjlj and dwarf2 exception handling.
1362 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1363 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1364 * pa/pa.c (function_value): Treat complex and vector types as
1366 (function_arg): Likewise. Only pass scalar floats in the floating
1367 point argument registers.
1368 * pa/t-slibgcc-dwarf-ver: New file.
1369 * pa/t-slibgcc-sjlj-ver: New file.
1370 * pa/t-slibgcc-elf-ver: Delete file.
1372 2006-01-19 Alan Modra <amodra@bigpond.net.au>
1374 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1375 unlikely_test_section_p test.
1377 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1379 * mode-switching.c (optimize_mode_switching): Make it static.
1380 * basic-block.h: Remove the prototype for
1381 optimize_mode_switching.
1383 * modulo-sched.c (sms_schedule): Make it static.
1384 * rtl.h: Remove the prototype for sms_schedule.
1386 * postreload-gcse.c (gcse_after_reload_main): Make it static.
1387 * rtl.h: Remove the prototype for gcse_after_reload_main.
1389 * reg-stack.c (reg_to_stack): Make it static.
1390 * rtl.h: Remove the prototype for reg_to_stack.
1392 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1394 * rtl.h: Remove the prototypes for regrename_optimize and
1395 copyprop_hardreg_forward.
1397 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
1399 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1400 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
1401 Test against the appropriate null constant for the mode.
1402 If 'fixup_overlap' is true, swap the operands if they overlap.
1403 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1404 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1405 alpha_split_tmode_pair and adjust for above change.
1406 * config/alpha/alpha.md (movtf_internal): Adjust call to
1407 alpha_split_tfmode_pair and rely on it to swap the operands.
1408 (movti_internal): New insn and post-reload splitter.
1409 (movti): New expander.
1411 2006-01-18 Philippe De Muyter <phdm@macqel.be>
1413 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1416 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1418 * rtlanal.c (global_reg_mentioned_p_1,
1419 global_reg_mentioned_p): Remove.
1420 * rtl.h: Remove the prototype for global_reg_mentioned_p.
1422 * flow.c (initialize_uninitialized_subregs): Make it static.
1423 * rtl.h: Remove the prototype for
1424 initialize_uninitialized_subregs.
1426 * function.c (instantiate_virtual_regs): Make it static.
1427 * function.h: Remove the prototype for
1428 instantiate_virtual_regs.
1430 * regmove.c (regmove_optimize, combine_stack_adjustments):
1432 * rtl.h: Remove the prototypes for regmove_optimize and
1433 combine_stack_adjustments.
1435 2006-01-17 Roger Sayle <roger@eyesopen.com>
1437 * config/i386/i386.c (COSTS_N_BYTES): New macro.
1438 (size_cost): Encode costs in bytes so that a reg-reg addition is
1439 equivalent to COSTS_N_INSNS(1).
1440 (override_options): Use the size_cost.branch_cost as the default
1441 ix86_branch_cost when optimizing for size.
1443 2006-01-18 Ben Elliston <bje@au.ibm.com>
1445 * Makefile.in (D32PBIT_FUNCS): New.
1446 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
1447 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
1448 D64PBIT_FUNCS and D128PBIT_FUNCS.
1449 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
1450 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
1452 (decnumber_dep): Define.
1453 * doc/libgcc.texi (Decimal float library routines): New node.
1454 * config/dfp-bit.h, config/dfp-bit.c: New files.
1456 2006-01-18 Ben Elliston <bje@au.ibm.com>
1458 * expr.c (emit_move_change_mode): Always adjust addresses, not
1459 just during reload. Copy replacements only during reload.
1460 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
1461 emit_move_via_integer.
1463 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
1465 * Makefile.in (check-%, check-consistency): Use $${srcdir}
1466 instead of $(srcdir) and ${srcdir}.
1468 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
1472 * arm.h (struct machine_function): Add pic_reg.
1473 * arm.c (arm_pic_register): Make unsigned.
1474 (arm_override_options): Only set arm_pic_register if
1475 TARGET_SINGLE_PIC_BASE.
1476 (use_return_insn): Only test for a pic register if it is fixed.
1477 (arm_compute_save_reg0_reg12_mask): Likewise.
1478 (thumb_compute_save_reg_mask): Likewise.
1479 (legitimate_pic_operand): Factor out some known invariants.
1480 (legitimize_pic_address): If we don't have a fixed pic register,
1481 then set up a pseudo in the function entry sequence. Handle the
1482 pic base being in a pseudo.
1483 (arm_load_pic_register): Handle the pic register being in a pseudo.
1484 (arm_expand_prologue): Only set up the pic register if it is fixed.
1485 (thumb_expand_prologue): Likewise.
1486 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
1487 (pic_load_addr_based_insn): Likewise.
1488 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
1491 2006-01-18 Ben Elliston <bje@au.ibm.com>
1493 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
1494 decimal float modes for all floating point registers.
1496 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
1497 match_code "mem" with match_test "macho_lo_sum_memory_operand".
1499 2006-01-17 Jakub Jelinek <jakub@redhat.com>
1502 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
1503 even when the pointer is not NULL.
1505 2006-01-16 Ian Lance Taylor <ian@airs.com>
1507 * common.opt (ftoplevel-reorder): New option.
1508 * cgraph.c (cgraph_asm_nodes): New global variable.
1509 (cgraph_asm_last_node): New static variable.
1510 (cgraph_order): New global variable.
1511 (cgraph_create_node): Set new order field.
1512 (cgraph_varpool_node): Likewise.
1513 (decide_is_variable_needed): Return true if not
1514 flag_toplevel_reorder.
1515 (cgraph_add_asm_node): New function.
1516 * cgraph.h (struct cgraph_node): Add order field.
1517 (struct cgraph_varpool_node): Add order field.
1518 (struct cgraph_asm_node): Define.
1519 (cgraph_asm_nodes, cgraph_order): Declare.
1520 (cgraph_add_asm_node): Declare.
1521 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
1523 (cgraph_varpool_assemble_pending_decls): Call it.
1524 (cgraph_output_pending_asms): New static function.
1525 (cgraph_finalize_compilation_unit): Call it.
1526 (struct cgraph_order_sort): Define.
1527 (cgraph_output_in_order): New static function.
1528 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
1529 !flag_toplevel_reorder case.
1530 * c-parser.c: Include "cgraph.h".
1531 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
1533 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
1534 than -fno-unit-at-a-time.
1535 * doc/invoke.texi (Option Summary): Mention
1536 -fno-toplevel-reorder.
1537 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
1538 -funit-at-a-time documentation.
1540 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
1541 Kazu Hirata <kazu@codesourcery.com>
1543 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
1545 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
1547 * Makefile.in (FUNCTION_H): New. Use it instead of
1548 function.h throughout the file.
1549 * function.h: Include tree.h.
1551 2006-01-17 Ben Elliston <bje@au.ibm.com>
1553 * recog.c: Separate some functions with whitespace.
1555 2006-01-16 Richard Henderson <rth@redhat.com>
1557 Merge from gomp branch:
1558 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
1559 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
1560 and rename from struct inline_data. Rename callee* to dst*;
1561 caller* to src*; add copy_decl hook, transform_call_graph_edges,
1562 transform_new_cfg, transform_return_to_modify, and
1563 transform_lang_insert_block flags; remove cloning_p, versioning_p,
1565 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
1566 (copy_decl_for_dup): Remove.
1567 * tree-inline.c (struct inline_data): Move to header.
1568 (insert_decl_map): Export.
1569 (remap_decl): Update for member name changes. Use copy_decl hook.
1570 Allow for replacement to be a non-decl. Remove dead code.
1571 (remap_type_1): Check for existing mapping.
1572 (remap_type): Export.
1573 (remap_decls): Update for member name changes.
1574 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
1575 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
1576 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
1577 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
1578 (tree_function_versioning, build_duplicate_type): Likewise.
1579 (copy_body_r): Likewise. Export.
1580 (copy_decl_for_dup): Split into ...
1581 (copy_decl_for_dup_finish, copy_decl_to_var,
1582 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
1583 (replace_ref_tree, inlining_p): Remove.
1585 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1587 * ifcvt.c (if_convert): Make it static.
1588 * rtl.h: Remove the prototype for if_convert.
1590 * local-alloc.c (local_alloc): Make it static.
1591 * rtl.h: Remove the prototype for local_alloc.
1593 * loop.c (loop_optimize): Make it static.
1594 * cfgloop.h: Remove the prototype for loop_optimize.
1597 2006-01-16 DJ Delorie <dj@redhat.com>
1599 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
1602 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1604 * pa.md: Disparage copies between general and floating-point registers
1605 in 32-bit move patterns.
1607 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
1610 * Makefile.in (check-%): Depend on site.exp instead of
1611 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
1614 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1616 * global.c (global_alloc): Make it static.
1617 * rtl.h: Remove the prototype for global_alloc.
1619 2006-01-16 Richard Guenther <rguenther@suse.de>
1621 * tree-ssa-alias.c (struct used_part): Add write_only field.
1622 (get_or_create_used_part_for): Initialize it to true.
1623 (create_overlap_variables_for): Don't create structure variables
1624 for structures that only are written to.
1625 (find_used_portions): Handle MODIFY_EXPR to track whether a
1626 structure is only written to.
1628 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1630 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
1632 * basic-block.h: Remove the prototype for
1633 partition_hot_cold_basic_blocks.
1635 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
1637 * cppspec.c (lang_specific_spec_functions): remove
1638 * gcc.c (lookup_spec_function): use static_spec_functions directelly
1639 * gcc.h (lang_specific_spec_functions): remove
1640 * gccspec.c (lang_specific_spec_functions): remove
1642 2005-01-16 Paolo Bonzini <bonzini@gnu.org>
1644 * combine.c (record_value_for_reg): Invalidate registers
1646 (record_dead_and_set_regs_1): Likewise, by passing them to
1647 record_value_for_reg.
1648 (record_dead_and_set_regs): Invalidate stores made by a
1649 call. We do not combine across a call, but we still
1650 relied on equivalences.
1652 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1654 * tree-vrp.c (extract_range_from_binary_expr): Cope with
1655 vrp_int_const_binop returning non-constant nodes.
1657 2006-01-16 Paul Brook <paul@codesourcery.com>
1659 * config/m68k/m68k.c (output_move_const_into_data_reg):
1660 Output correct mnemonic for mvz and mvs.
1662 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
1664 * rtl-factoring.c: Add sequence abstraction algorithm.
1665 * cfgcleanup.c (outgoing_edges_match): Extra checks.
1666 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
1668 (block_has_preserve_label): New function.
1669 * common.opt: Register new pass.
1670 * Makefile.in: Ditto.
1672 * timevar.def: Ditto.
1673 * tree-pass.h: Ditto.
1674 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
1675 * rtl.h (make_jump_insn_raw): Add forward decl.
1676 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
1678 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1679 Roger Sayle <roger@eyesopen.com>
1681 * fold-const.c (fold_minmax): New static function.
1682 (fold_binary) <MIN_EXPR>: Call it.
1683 <MAX_EXPR>: Likewise.
1684 * stor-layout.c (place_field): Use DECL_SIZE consistently
1685 in the computation of the new record size.
1687 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1689 * cse.c (cse_condition_code_reg): Make it static.
1690 * rtl.h: Remove the prototype for cse_condition_code_reg.
1692 * combine.c (combine_instructions): Make it static.
1693 * rtl.h: Remove the prototype for combine_instructions.
1695 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1698 * tree.c (get_file_function_name_long): Concatenate the first global
1699 object name with a string derived from the input filename of the object
1702 2006-01-16 Ben Elliston <bje@au.ibm.com>
1704 * config/i386/winnt-stubs.c: Update FSF address.
1705 * config/xtensa/ieee754-df.S: Ditto.
1706 * config/xtensa/ieee754-sf.S: Ditto.
1708 2006-01-14 Ian Lance Taylor <ian@airs.com>
1710 * ifcvt.c (noce_init_if_info): New static function, broken out of
1711 noce_process_if_block.
1712 (noce_process_if_block): Call noce_init_if_info.
1713 (check_cond_move_block): New static function.
1714 (cond_move_process_if_block): New static function.
1715 (process_if_block): Call cond_move_process_if_block.
1717 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
1719 * cselib.c (hash_table): Rename to cselib_hash_table.
1720 (cselib_clear_table, discard_useless_values,
1721 remove_useless_values, cselib_lookup_mem, cselib_lookup,
1722 cselib_init, cselib_finish): Adjust uses of hash_table.
1724 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
1726 PR tree-optimization/25485
1727 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
1728 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
1729 is known to be false and true, respectively.
1731 2006-01-14 Richard Guenther <rguenther@suse.de>
1733 PR tree-optimization/22548
1734 PR tree-optimization/22555
1735 PR tree-optimization/22501
1736 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
1737 * params.def (salias-max-array-elements): New parameter.
1738 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
1739 * doc/invoke.texi (salias-max-array-elements): Document.
1740 * tree-flow-inline.h (var_can_have_subvars): We also handle
1742 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
1744 * tree-ssa-structalias.c (params.h): Include.
1745 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
1746 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
1747 (get_constraint_for): For ADDR_EXPR operating on something
1748 containing an ARRAY_REF, add all subvars to the solution.
1749 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
1750 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
1751 for creating MUST_DEFs.
1752 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
1754 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
1756 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
1758 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
1759 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1760 number_of_iterations_le): New functions.
1761 (number_of_iterations_special): Removed.
1762 (number_of_iterations_exit): Do not use number_of_iterations_special.
1763 * tree.c (unsigned_type_for): Always return integer type.
1765 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
1766 Richard Guenther <rguenther@suse.de>
1768 PR rtl-optimization/24257
1769 * gcse.c (find_moveable_store): Only consider a store movable
1770 when the SET_SRC of the insn can be assigned to a register.
1772 2006-01-14 Ian Lance Taylor <ian@airs.com>
1774 * tree.c (tree_not_class_check_failed): New function.
1775 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
1776 (tree_not_class_check_failed): Declare.
1778 2006-01-13 Ian Lance Taylor <ian@airs.com>
1780 * reload1.c (do_output_reload): Add assertion rejecting a
1783 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
1785 * combine.c (struct reg_stat): Add new fields truncation_label and
1787 (record_value_for_reg): Reset truncated_to_mode.
1788 (record_truncated_value): New function.
1789 (check_promoted_subreg): Call it. Rename to check_conversions.
1790 (combine_instructions): Rename check_promoted_subreg to
1792 (reg_truncated_to_mode): New function.
1793 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
1794 (gen_lowpart_or_truncate): New function.
1795 (force_to_mode): Use it instead of gen_lowpart.
1797 2006-01-13 Diego Novillo <dnovillo@redhat.com>
1799 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
1800 VAR is a tag, not its type tag.
1802 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
1804 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
1805 alternatives to match style of other entries.
1806 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
1808 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
1810 PR tree-optimization/25771
1811 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
1814 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
1817 * tree-inline.c (declare_return_variable): If the return variable
1818 was marked as a non gimple complex, set the return slot variable
1819 to be a non gimple comple variable.
1821 2006-01-13 Richard Guenther <rguenther@suse.de>
1823 * builtins.c (expand_builtin_sincos): New function.
1824 (expand_builtin_mathfn_3): Remove dead code, sin and cos
1826 (expand_builtin): Expand sincos using expand_builtin_sincos.
1828 2006-01-12 DJ Delorie <dj@redhat.com>
1830 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
1831 shift counts, separate SI shifts for m32c vs m16c, pass shift type
1832 so that constant shifts can be split.
1833 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
1834 (m32c_valid_pointer_mode): Make static.
1835 (shift_gen_func_for): New.
1836 (m32c_prepare_shift): Use it. Split large const shifts into
1838 * config/m32c/predicates.md (shiftcount_operand): Allow more
1840 (longshiftcount_operand): New.
1841 * doc/md.texi (Machine Constraints): Document In6.
1843 2006-01-13 Ben Elliston <bje@au.ibm.com>
1845 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
1846 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
1849 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
1851 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
1852 to try to avoid clobbering pieces of structures when we know
1853 something about the whole structure.
1854 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
1856 2006-01-13 Ben Elliston <bje@au.ibm.com>
1858 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
1859 return in memory, as this is no limitation is no longer present.
1861 2006-01-12 DJ Delorie <dj@redhat.com>
1863 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
1864 mova with fb, and for fb+0 -> An.
1866 * config/m32c/mov.md (peephole2): Fix enabling logic.
1868 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
1869 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
1870 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
1871 FINI_ARRAY_SECTION_ASM_OP): Define.
1873 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
1875 (m32c_legitimize_reload_address): New logic to reload FB to An.
1876 (m32c_output_reg_push): Add newline.
1877 (m32c_output_reg_pop): Likewise.
1879 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
1881 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
1883 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
1885 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
1887 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1889 * config/sh/predicates.md (sh_rep_vec): Add parallel to
1892 2006-01-11 Ben Elliston <bje@au.ibm.com>
1894 * rtlanal.c (find_reg_note): Assert insn is not null.
1896 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
1898 * df-scan.c (df_hard_reg_init): Move declaration of i outside
1901 2006-01-11 Jeff Law <law@redhat.com>
1903 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
1905 (mark_threaded_blocks, register_jump_thread): New functions.
1906 (thread_through_all_blocks): Remove unwanted argument. No
1907 longer rely on e->aux to communicate thread target info.
1908 Call mark_threaded_blocks. Release the threaded_blocks
1909 bitmap and threaded_edges vector when complete.
1910 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
1911 (threaded_blocks): Remove.
1912 (tree_ssa_dominator_optimize): Remove initialization and
1913 finalization of threaded_blocks. Simplify call to
1914 thread_through_all_blocks.
1915 (thread_across_edge): Call register_jump_thread rather than
1916 storing thread information into e->aux.
1917 (free_all_edge_infos): Simplify now that e->aux is no longer
1918 used to communicate with thread_through_all_blocks.
1919 * tree-flow.h (thread_through_all_blocks): Update prototype.
1920 (register_jump_thread): Prototype.
1922 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1924 * df-core.c (df_compact_blocks, df_bb_replace): Use
1925 SET_BASIC_BLOCK instead of BASIC_BLOCK.
1927 2006-01-11 Richard Guenther <rguenther@suse.de>
1929 PR tree-optimization/25734
1930 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
1931 stop propagation after successful propagation to the LHS.
1933 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1935 * basic-block.h (control_flow_graph): Change the type of
1936 x_basic_block_info to VEC(basic_block,gc) *.
1937 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
1939 (SET_BASIC_BLOCK): New.
1940 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
1941 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
1942 * cfgbuild.c (find_basic_blocks): Likewise.
1943 * cfglayout.c (fixup_reorder_chain): Likewise.
1944 * cfgrtl.c (create_basic_block_structure,
1945 rtl_create_basic_block): Likewise.
1946 * ifcvt.c (find_if_case_1): Likewise.
1947 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
1950 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
1952 * Makefile.in: Removed rotted odf.c entry.
1954 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
1957 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
1958 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
1959 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
1960 output pattern modifier, not %e.
1961 * config/cris/cris.c (cris_op_str): Update comment about pattern
1963 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
1964 before falling through into...
1965 <case 'E'>: Redefined from old 'e' case.
1967 2006-01-11 Jan Hubicka <jh@suse.cz>
1970 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
1972 2006-01-11 Jan Hubicka <jh@suse.cz>
1974 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
1975 * i386.c (x86_decompose_lea): Kill.
1976 (ix86_rtx_costs): Kill.
1978 2006-01-11 Jan Hubicka <jh@suse.cz>
1980 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
1981 * cgraph.h (cgraph_node): Add inline_decl.
1982 (cgraph_insert_node_to_hashtable): Declare.
1983 (save_inline_function_body): Declare.
1984 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
1986 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
1987 (cgraph_function_versioning): Update call of tree_function_versioning.
1988 (save_inline_function_body): New function.
1989 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
1990 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
1991 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
1992 (cgraph_default_inline_p): Likewise.
1993 (cgraph_decide_inlining_incrementally): Likewise.
1994 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
1995 (copy_bb): Kill saving; do updating of clones.
1996 (copy_cfg_body): Kill saving.
1997 (initialize_inlined-parameters): Likewise.
1998 (expand_call_inline): Likewise.
2000 (tree_function_versioning): New parameter "update_clones".
2001 (inlining_p): Kill saving.
2002 * tree-inline.h (tree_function_versioning): Update prototype.
2003 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2006 2006-01-11 Ian Lance Taylor <ian@airs.com>
2008 * combine.c (struct undo): Remove is_int. Enumify types of undos.
2009 Allow undoing set of machine mode.
2010 (do_SUBST): Use enums instead of is_int.
2011 (do_SUBST_MODE): New function.
2012 (SUBST_MODE): New macro.
2013 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2014 reg and trying to replace reg_regno_rtx with a new register.
2015 (undo_all): Use new enums, handle undoing a PUT_MODE change.
2016 (simplify_set): Use SUBST_MODE.
2017 (distribute_notes): Remove code that tried to update reg notes
2018 for regno_reg_rtx changes.
2020 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
2022 PR tree-optimization/23109
2023 PR tree-optimization/23948
2024 PR tree-optimization/24123
2026 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2027 * tree-cfg.c (single_noncomplex_succ): New.
2028 * tree-flow.h (single_noncomplex_succ): Declare it.
2029 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2030 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2031 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2032 insert_bb, register_division_in, insert_reciprocals,
2033 replace_reciprocal, free_bb): New.
2034 (execute_cse_reciprocals_1): Rewritten.
2035 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2036 Do not commit any edge insertion. Always compute dominators and
2037 create the allocation pool.
2038 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2039 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2040 * targhooks.c (default_min_divistions_for_recip_mul): New.
2041 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2042 * passes.c (init_optimization_passes): Run recip after tree loop
2044 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2046 2005-01-11 Danny Berlin <dberlin@dberlin.org>
2047 Kenneth Zadeck <zadeck@naturalbridge.com>
2049 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2050 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2051 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2052 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2053 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2054 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2055 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2056 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2057 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2058 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2059 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2060 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2061 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2062 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2063 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2064 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2065 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2066 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2067 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2068 DF_SCAN_POST_ALLOC): New macros.
2069 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2070 df_free_bb_function, df_local_compute_function, df_init_function,
2071 df_dataflow_function, df_confluence_function_0,
2072 df_confluence_function_n, df_transfer_function,
2073 df_finalizer_function, df_free_function, df_dump_problem_function,
2074 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2075 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2076 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2077 df_urec_bb_info, ) New types.
2078 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2080 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2081 df_analyze_simple_change_some_blocks,
2082 df_analyze_simple_change_one_block, df_compact_blocks,
2083 df_bb_replace, df_bb_regno_last_use_find,
2084 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2085 df_insn_regno_def_p, df_find_def, df_find_use,
2086 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2087 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2088 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2089 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2090 debug_df_chain, df_get_dependent_problem, df_chain_create,
2091 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2092 df_grow_bb_info, df_chain_dump, df_print_bb_index,
2093 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2094 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2095 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2096 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2097 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2098 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2099 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2100 df_ref_remove, df_insn_refs_delete, df_refs_delete,
2101 df_reorganize_refs, df_set_state, df_hard_reg_init,
2102 df_read_modify_subreg_p) New public functions.
2103 * df-core.c: The core dataflow solver and glue routines for rtl
2105 (df_init, df_add_problem, df_set_blocks, df_finish,
2106 df_hybrid_search_forward, df_hybrid_search_backward,
2107 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2108 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2109 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2110 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2111 df_reg_defined, df_find_use, df_reg_used, df_dump,
2112 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2113 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2114 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2115 debug_df_useno, reset_df_after_reload): New functions.
2116 * df-scan.c: The scanning fuctions, once in df.c, completely
2117 rewritten so that they now fully model the functionality of
2118 register usage at the backend.
2119 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2120 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2121 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2122 df_grow_insn_info, df_rescan_blocks, df_ref_create,
2123 df_get_artificial_defs, df_get_artificial_uses,
2124 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2125 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2126 df_refs_delete, df_reorganize_refs, df_set_state,
2127 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2128 df_def_record_1, df_defs_record, df_uses_record,
2129 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2130 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2131 df_record_exit_block_uses, df_hard_reg_init): New functions.
2133 * df-problems.c: Seven concrete dataflow problems that use the
2134 scanning in df-scan.c and are solved by the engine in df-core.c.
2135 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2136 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2137 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2138 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2139 df_ru_free_bb_info, df_ru_alloc,
2140 df_ru_bb_local_compute_process_def,
2141 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2142 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2143 df_ru_transfer_function, df_ru_free, df_ru_dump,
2144 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2145 df_rd_free_bb_info, df_rd_alloc,
2146 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2147 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2148 df_rd_transfer_function, df_rd_free, df_rd_dump,
2149 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2150 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2151 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2152 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2153 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2154 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2155 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2156 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2157 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2158 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2159 df_urec_mark_reg_change, df_urec_check_earlyclobber,
2160 df_urec_mark_reg_use_for_earlyclobber,
2161 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2162 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2163 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2164 df_urec_dump, df_urec_add_problem, df_chain_alloc,
2165 df_chain_create_bb_process_use, df_chain_create_bb,
2166 df_chain_finalize, df_chain_free, df_chains_dump,
2167 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2168 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2169 df_reg_lifetime): New functions.
2170 * df.c: Deleted file.
2171 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2172 consistent with new df api.
2173 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2174 rest_of_handle_sms): Ditto.
2175 * web.c (unionfind_union, union_defs, entry_register, web_main):
2177 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2178 invariant_expr_equal_p, find_defs, check_dependencies,
2179 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2180 free_inv_motion_data, move_loop_invariants): Ditto.
2181 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2182 Update dependencies.
2183 (odf.c): Added defective entry that was deleted later in day.
2184 * sched-deps.c (sched_analyze_1): Ditto.
2186 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
2188 * tree-ssa-operands.c (get_expr_operands): Record addressable
2189 variables directly. Do not call add_stmt_operands for CONST_DECLs
2191 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2192 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2194 2006-01-11 Ben Elliston <bje@au.ibm.com>
2196 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2197 function returns true in the positive case.
2199 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2202 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2203 for SI, DI, SF and DF modes. Add alternatives to copy between
2204 general and floating point registers to the 32-bit patterns.
2205 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2206 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2207 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2208 generating 64-bit code.
2209 * config/pa/pa.c (output_move_double): Handle copies between general
2210 and floating registers.
2212 2006-01-10 Stuart Hastings <stuart@apple.com>
2214 * config/i386/i386.md (set_got): Update.
2215 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
2216 (builtin_setjmp_receiver): Mach-O support.
2217 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2218 (GOT_SYMBOL_NAME): Define.
2219 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2220 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2221 * config/i386/i386.c (override_options): Revise for Darwin.
2222 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
2223 support. (darwin_x86_file_end): New. (output_set_got): Add label
2224 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
2225 * config/i386/i386-protos.h (output_set_got): Likewise.
2226 * config/darwin.c (machopic_legitimize_pic_address): Update
2229 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
2231 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2232 when MODE isn't BLKmode.
2234 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2236 PR rtl-optimization/25367
2237 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2239 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
2242 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2243 for a negative bound.
2245 2006-01-10 Richard Guenther <rguenther@suse.de>
2247 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2248 Never override with anything constraint.
2250 2006-01-10 Jan Beulich <jbeulich@novell.com>
2252 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2253 256 bits when optimize_size.
2255 2006-01-10 Jan Beulich <jbeulich@novell.com>
2257 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2259 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2260 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2263 2006-01-10 Ben Elliston <bje@au.ibm.com>
2265 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2267 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2268 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2269 (USE_FP_FOR_ARG): Reject decimal float modes.
2270 (function_arg_advance): Likewise.
2271 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2272 (rs6000_handle_altivec_attribute): Do not permit decimal floating
2273 point types in AltiVec vectors.
2274 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2275 (rs6000_libcall_value): Likewise.
2277 2006-01-09 Bob Wilson <bob.wilson@acm.org>
2279 * config/xtensa/ieee754-df.S: New file.
2280 * config/xtensa/ieee754-sf.S: New file.
2281 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2282 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2283 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2285 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
2287 * config/sh/predicates.md (binary_float_operator,
2288 binary_logical_operator, commutative_float_operator,
2289 equality_comparison_operator, greater_comparison_operator,
2290 less_comparison_operator, logical_operator,
2291 noncommutative_float_operator, shift_operator,
2292 symbol_ref_operand, unary_float_operator): Remove redundant
2295 2006-01-09 Jeff Law <law@redhat.com>
2297 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2298 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
2299 now unused arguments. Callers updated.
2300 (eliminate_redundant_computations): Remove now unused arguments,
2302 (local_fold): Remove, no longer used.
2303 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2305 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2306 (simplify_cond): New function.
2307 (forward_propagate_into_cond): Call simplify_cond.
2309 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
2311 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2312 (*vec_extractv2di_1_sse): New.
2314 2006-01-09 Ben Elliston <bje@au.ibm.com>
2316 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2318 2006-01-08 Richard Guenther <rguenther@suse.de>
2320 * tree-ssa-structalias.c (get_constraint_for): Remove
2322 (get_constraint_for_component_ref): Likewise.
2323 (do_deref): Likewise.
2324 (get_constraint_for): Likewise.
2325 (do_structure_copy): Likewise.
2326 (handle_ptr_arith): Likewise.
2327 (find_func_aliases): Likewise. Remove unused need_anyoffset
2330 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
2331 Kaz Kojima <kkojima@gcc.gnu.org>
2333 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2334 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2335 (EXTRA_CONSTRAINT_C16): Remove.
2336 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2337 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2338 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2339 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2340 constants of SHmedia. Handle nested constant expressions of
2342 (andcosts): Fix the costs for SHmedia constants.
2343 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2344 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2345 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2346 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2347 (movv4hi_i, movv2si_i): Likewise.
2348 (movsi_const): Adjust the second operand of ior so to match with
2350 (movdi_const, movdi_const_32bit): Likewise.
2351 (movdi_const_16bit+1): Don't sign-extend LOW.
2352 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
2354 (*double_shori): Fix the split condition. Use GEN_INT instead
2355 of get_int_mode calls. Mask lower 16-bit of the argument of
2357 (sym2GOTPLT): Remove.
2358 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2360 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2361 instead of EXTRA_CONSTRAINT_C16.
2363 2006-01-07 Ian Lance Taylor <ian@airs.com>
2364 David Edelsohn <edelsohn@gnu.org>
2366 PR rtl-optimization/25662
2367 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2368 for constant operands instead of simplify_gen_binary.
2369 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2370 after trying simplify_binary_operation
2372 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
2374 * tree.c (iterative_hash_expr): Hash decls based on UID.
2376 2006-01-06 Eric Christopher <echristo@apple.com>
2378 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2379 (TARGET_UNWIND_EMIT): Fix spelling.
2380 * target.h (gcc_target): Add except_table_label.
2381 * except.c (output_function_exception_table): Use.
2382 * varasm.c (default_emit_except_table_label): New.
2383 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2385 (asm_out): Add here.
2386 * output.h (default_emit_except_table_label): Prototype.
2387 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2388 * config/darwin.c (darwin_emit_except_table_label): Define.
2389 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2391 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
2393 PR tree-optimization/18527
2394 * tree-ssa-loop-niter.c (number_of_iterations_cond,
2395 number_of_iterations_special, number_of_iterations_exit):
2396 Move base and step of an iv to a single structure. Add
2397 no_overflow flag, and use it in # of iterations analysis.
2398 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2399 folded_casts argument.
2400 (simple_iv): Pass base and step in a structure. Set no_overflow
2402 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2403 Evaluate expensiveness of computing # of iterations instead of
2404 the final expression.
2405 * tree-scalar-evolution.h (affine_iv): New structure.
2406 (simple_iv): Declaration changed.
2407 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2408 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2409 find_givs_in_stmt): Changed due to simple_iv change.
2411 2006-01-06 Jeff Law <law@redhat.com>
2414 * tree-cfg.c (bsi_replace): Rename final argument from
2415 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
2416 change (stmt -> orig_stmt).
2417 * tree-eh.c (verify_eh_throw_stmt_node): New function.
2418 (bsi_remove): Add new argument. Remove EH information
2420 (verify_eh_throw_table_statements): New function.
2421 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
2423 * tree-optimize.c (execute_free_cfg_annotations): Verify
2424 the EH throw statement table after removing annotations.
2425 * except.h (verify_eh_throw_table_statements): Prototype.
2426 * tree-flow.h (bsi_remove): Update prototype.
2427 * tree-vrp.c (remove_range_assertions): Add new argument to
2429 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2430 * tree-complex.c (expand_complex_div_wide): Likewise.
2431 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2432 * tree-tailcall.c (eliminate_tailcall): Likewise.
2433 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2434 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2435 * tree-nrv.c (tree_nrv): Likewise.
2436 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
2437 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
2438 (combine_blocks): Likewise.
2439 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
2440 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
2441 (cleanup_control_flow): Likewise.
2442 (remove_forwarder_block): Likewise.
2443 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2444 * tree-sra.c (sra_replace): Likewise.
2445 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
2446 (forward_propagate_single_use_vars): Likewise.
2447 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2448 * tree-inline.c (expand_call_inline): Likewise.
2449 * tree-vect-transform.c (vect_transform_loop): Likewise.
2450 * tree-outof-ssa.c (rewrite_trees): Likewise.
2451 * tree-cfg.c (make_goto_expr_edges): Likewise.
2452 (cleanup_dead_labels): Likewise.
2453 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
2454 (bsi_move_before, bsi_move_after): Likewise.
2455 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
2456 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
2458 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
2461 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
2463 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
2464 on non gimple variables. Also add checks at the top for decls and
2466 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
2468 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
2469 and IMAGPART_EXPR for creating MUST_DEFs.
2470 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
2471 and NAME_MEMORY_TAG separately from the DECLs.
2473 2006-01-06 Richard Guenther <rguenther@suse.de>
2475 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
2476 annotation, if necessary.
2477 * tree-ssa-pre.c (create_expression_by_pieces): Remove
2478 redundant calls to update_stmt.
2479 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
2482 2006-01-05 Richard Henderson <rth@redhat.com>
2484 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
2486 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2488 * c-typeck.c: Update copyright date.
2490 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2492 * c-typeck.c (build_c_cast): Always warn when casting
2493 from a pointer to an integer of different size, even if
2494 the node was constant.
2496 2006-01-05 Richard Guenther <rguenther@suse.de>
2498 PR tree-optimization/22555
2499 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
2500 if one structure field is an array.
2501 * tree-ssa-operands.c (get_expr_operands): Continue scanning
2502 operands even if we found a subvar, but ignore VOPs in this
2504 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
2506 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
2508 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
2511 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
2513 2006-01-05 Richard Guenther <rguenther@suse.de>
2514 Diego Novillo <dnovillo@redhat.com>
2516 * tree-pass.h (TODO_remove_unused_locals): Define.
2517 * gimple-low.c (expand_var_p, remove_useless_vars,
2518 pass_remove_useless_vars): Remove. Update all users.
2519 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
2520 (remove_unused_locals): New function.
2521 * tree-flow.h (remove_unused_locals): Declare.
2522 * passes.c (execute_todo): Call remove_unused_locals if
2523 TODO_remove_unused_locals is set.
2524 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
2525 * tree-ssa-dce.c (pass_dce): Likewise.
2526 * tree-outof-ssa.c (pass_del_ssa): Likewise.
2528 2006-01-05 Richard Guenther <rguenther@suse.de>
2530 * tree-flow.h (struct fieldoff): Decompose field to
2531 type, size and decl.
2532 * tree-ssa-alias.c (create_sft): Take type as parameter.
2533 (create_overlap_variables_for): Store type, size and decl
2534 in the fieldoff structure.
2535 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
2537 (push_fields_onto_fieldstack): Likewise.
2538 (create_variable_info_for): Likewise. Use offset for the
2539 SFT name if the decl is not available.
2541 2006-01-04 Paul Brook <paul@codesourcery.com>
2543 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
2545 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
2547 * lambda-code.c (can_put_in_inner_loop): Relax
2549 (can_put_after_inner_loop): New function.
2550 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
2551 (perfect_nestify): Change to make copies and modify uses.
2553 2006-01-04 Richard Henderson <rth@redhat.com>
2555 Merge from gomp branch:
2556 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
2557 via integer constant.
2558 (pragma_lex): Remove.
2559 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
2560 rather than parsing it.
2561 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
2562 handle_pragma_extern_prefix): Add %< %> quotes.
2563 (registered_pragmas): New.
2564 (c_register_pragma_1): New.
2565 (c_register_pragma): Use it.
2566 (c_register_pragma_with_expansion): Likewise.
2567 (c_invoke_pragma_handler): New.
2568 (init_pragma): Use cpp_register_deferred_pragma directly for
2570 * c-pragma.h (enum pragma_kind): New.
2571 (pragma_handler): New.
2572 (c_invoke_pragma_handler): Declare.
2573 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
2575 * c-common.h (c_common_pch_pragma): Update decl.
2576 * Makefile.in (c-parser.o): Update dependencies.
2577 (GTFILES): Add c-pragma.h.
2578 * c-parser.c (struct c_token): Add pragma_kind.
2579 (struct c_parser): Add in_pragma.
2580 (c_lex_one_token): Always initialize keyword and pragma_kind.
2581 Extract data for CPP_PRAGMA.
2582 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
2583 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
2584 Don't allow CPP_PRAGMA_EOL if in_pragma.
2585 (c_parser_consume_pragma): New.
2586 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
2587 (c_parser_skip_to_end_of_parameter): Likewise.
2588 (c_parser_skip_to_end_of_block_or_statement): Likewise.
2589 (c_parser_skip_to_pragma_eol): New.
2590 (c_parser_external_declaration): Handle CPP_PRAGMA.
2591 (c_parser_compound_statement_nostart): Likewise.
2592 (c_parser_statement_after_labels): Likewise.
2593 (c_parser_pragma): New.
2594 (pragma_lex): Likewise.
2595 (c_parser_pragma_pch_preprocess): New.
2596 (c_parser_new): Merge into ...
2597 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
2599 2006-01-04 Jeff Law <law@redhat.com>
2602 * tree-cfg.c (bsi_replace): Remove the original statement
2603 from the EH throw statement table.
2605 2006-01-04 Jakub Jelinek <jakub@redhat.com>
2607 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
2608 make the prototype extern "C" and add throw ().
2611 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
2612 and pos non-negative and pos + len <= 32.
2613 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
2614 drop pos + len < HOST_BITS_PER_WIDE_INT test.
2615 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
2618 * c-common.c (handle_vector_size_attribute): Reject zero vector size
2619 as well as sizes not multiple of component size.
2622 * function.c (instantiate_expr): New function.
2623 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
2624 walk its DECL_VALUE_EXPR with instantiate_expr.
2626 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
2627 DW_OP_deref{,_size} if address isn't going to be added.
2629 2006-01-04 Ben Elliston <bje@au.ibm.com>
2631 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
2632 * config/fp-bit.c: Likewise.
2634 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
2636 * dominance.c: Add comment about why we use DFS numbering
2639 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2640 Richard Henderson <rth@redhat.com>
2642 Merge from gomp-branch:
2643 * varasm.c (assemble_variable): Handle thread-local COMMON data.
2644 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
2646 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
2648 PR rtl-optimization/25578
2649 * combine.c (combine_simplify_rtx, force_to_mode): Don't
2650 pass a parameter to simplify_shift_const if changing ASHIFTRT
2653 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
2655 * builtins.c (get_builtin_sync_mem): New function.
2656 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
2657 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
2658 Call get_builtin_sync_mem to generate mem rtx.
2660 2006-01-03 Richard Guenther <rguenther@suse.de>
2663 * stmt.c (add_case_node): Make sure to clear overflow flags
2666 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2668 Merge from gomp-branch.
2669 * config/sparc/sync.md: New file.
2670 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
2671 UNSPECV_LDSTUB): New constants.
2672 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
2673 * config/sparc/predicates.md (memory_reg_operand): New predicate.
2674 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
2677 2006-01-03 Roger Sayle <roger@eyesopen.com>
2679 * combine.c (reg_subword_p): New predicate to test whether the
2680 destination of a set refers to a subword/piece of a register.
2681 (try_combine): Generalize the code to merge the setting of a
2682 pseudo to a constant followed by a set of a subword of that
2683 register to a constant.
2685 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
2687 * basic-block.h (control_flow_graph): Change the type of
2688 x_label_to_block_map to VEC(basic_block,gc) *.
2689 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
2690 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
2692 * tree-ssa-propagate.c (cfg_blocks): Change the type to
2693 VEC(basic_block,heap) *.
2694 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
2695 ssa_prop_fini): Adjust the uses of cfg_blocks.
2697 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
2699 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
2701 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
2702 hashing trees instead of a pointer hash.
2703 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
2704 compare for MEM_EXPR.
2706 PR rtl-optimization/25130
2707 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
2708 when comparing MEMs for GCSE
2710 2006-01-03 Ben Elliston <bje@au.ibm.com>
2712 * targhooks.h (default_decimal_float_supported_p): Declare.
2713 * targhooks.c (default_decimal_float_supported_p): Define.
2714 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
2715 `default_decimal_float_supported_p'.
2716 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
2718 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
2720 * combine.c (apply_distributive_law <SUBREG>): Check
2721 TRULY_NOOP_TRUNCATION.
2723 2006-01-02 Geoffrey Keating <geoffk@apple.com>
2725 * dwarf2out.c (have_switched_text_section): Delete.
2726 (have_multiple_function_sections): New.
2727 (have_location_lists): Make 'bool'.
2728 (add_AT_loc_list): Use 'true' not '1'.
2729 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
2730 (output_loc_list): Use have_multiple_function_sections.
2731 (output_ranges): Likewise.
2732 (dwarf2out_begin_function): Set have_multiple_function_sections if
2734 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
2735 Check function_section rather than DECL_SECTION_NAME.
2736 (dwarf2out_finish): Use have_multiple_function_sections.
2737 Don't clear have_location_lists.
2739 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
2740 Jan Hubicka <jh@suse.cz>
2742 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
2743 case of conditional jump jumping to the next instruction.
2744 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
2745 cases of conditional jump jumping to the next instruction.
2747 2006-01-02 Jan Hubicka <jh@suse.cz>
2749 * i386.c (*_cost): Add COSTS_N_INSNS.
2750 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
2752 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
2755 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
2757 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2759 * config/arm/arm.c (all_fpus): Fix comment typo.
2760 * config/darwin.c: Likewise.
2761 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
2762 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
2763 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
2765 2006-01-01 David Edelsohn <edelsohn@gnu.org>
2767 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
2768 (rs6000_split_compare_and_swapqhi): New.
2769 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
2770 (sync_compare_and_swapqhi_internal): New.
2771 * config/rs6000/rs6000-protos.h: Declare.