1 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
4 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
5 Use output_addr_const instead of assemble_name.
7 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9 * Makefile.in (sched-vis.o): Update dependencies.
10 * haifa-sched.c (sched_finish): Clear current_sched_info.
11 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12 (dump_flow_info): Call it.
13 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15 * basic-block.h (dump_bb_info): Declare.
16 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17 option, and apply options only for dump files whose TDF_RTL,
18 TDF_TREE, or TDF_IPA bits match.
19 * rtl.h: Declare new functions exported from sched-vis.c.
20 * sched-vis.c: Enable also if scheduling is not used.
21 (print_value): Print the mode of registers if not inside scheduling.
22 (print_insn): Make it work outside the scheduler. Beautify the output
24 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
26 2006-01-25 Richard Sandiford <richard@codesourcery.com>
28 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
29 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
30 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
31 depending on the value of CONSTANT_POOL_ADDRESS_P.
32 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
34 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
35 rather than SYMBOL_REF_DECL.
36 (rtx_constant_pool): Remove const_rtx_sym_htab.
37 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
38 (init_varasm_status): Don't initialize const_rtx_sym_htab.
39 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
40 Remove handling of const_rtx_sym_htab.
41 (find_pool_constant): Delete.
42 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
43 rather than find_pool_constant.
44 (get_pool_constant_for_function): Delete.
45 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
47 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
48 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
49 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
50 (SYMBOL_REF_CONSTANT): New macro.
51 (get_pool_constant_for_function): Delete.
52 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
53 rather than SYMBOL_REF_DECL.
54 (i386_pe_mark_dllimport): Likewise.
55 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
56 rather than SYMBOL_REF_DECL.
57 * config/darwin.c (machopic_indirect_data_reference): Likewise.
58 (machopic_indirect_call_target): Likewise.
60 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
62 * flow.c (delete_noop_moves): Add missing EOL to dump message.
64 2006-01-25 Richard Sandiford <richard@codesourcery.com>
66 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
68 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
70 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
72 2006-01-24 David Daney <ddaney@avtrex.com>
75 * configure.ac (enable_tls): New enable option.
76 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
77 * configure: Regenerate.
78 * doc/install.texi (--enable-tls): Document new option.
79 (--disable-tls): Ditto.
81 2006-01-24 Richard Henderson <rth@redehat.com>
83 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
84 * alias.c (true_dependence): Respect it.
85 (canon_true_dependence, write_dependence_p): Likewise.
86 * builtins.c (get_builtin_sync_mem): Set it.
88 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
90 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
93 2006-01-24 DJ Delorie <dj@redhat.com>
95 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
96 for storing constants in single-bit bitfields.
98 2006-01-25 Ben Elliston <bje@au.ibm.com>
100 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
102 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
105 * tree-ssa-pre.c (phi_translate): Return NULL
106 for AGGREGATE_TYPE's.
108 2006-01-24 Zack Weinberg <zackw@panix.com>
110 * genautomata.c (process_state_for_insn_equiv_partition):
111 Use xcalloc for insn_arcs_array.
112 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
113 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
115 2006-01-24 Richard Henderson <rth@redhat.com>
117 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
120 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
122 PR rtl-optimization/25890
123 PR rtl-optimization/25905
124 * combine.c (expand_compound_operation, expand_field_assignment):
125 Fail if the bitfield's final position is out of bounds.
127 2006-01-24 Ian Lance Taylor <ian@airs.com>
130 * cgraphunit.c (cgraph_output_in_order): Don't clear
131 cgraph_asm_nodes until after asm strings have been output.
133 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
135 * fix-header.c (read_scan_file): Add new parameter imultilib when
136 calling register_include_chains.
138 2006-01-23 Diego Novillo <dnovillo@redhat.com>
140 * omp-low.c: Update documentation.
142 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
143 Daniel Berlin <dberlin@dberlin.org>
147 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
148 return from the function.
150 2006-01-22 Zack Weinberg <zackw@panix.com>
152 * rtl.def (match_code): Add second argument.
153 * genpreds.c (write_extract_subexp): New function.
154 (write_match_code): Add path argument. Use write_extract_subexp.
155 (write_predicate_expr): Pass path to write_match_code.
156 (mark_mode_tests): MATCH_CODE applied to a subexpression does
157 not perform a mode test.
158 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
159 a subexpression does not constrain the top-level code set.
160 * read-rtl.c (read_rtx_variadic): New function.
161 (read_rtx_1): Use it; allow AND and IOR to be variadic.
162 * doc/md.texi: Document new notation.
163 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
164 (cmpsi_operand): ... here, using new notation.
166 2006-01-22 Zack Weinberg <zackw@panix.com>
168 * varray.c: Remove GENERATOR_FILE #ifdefs.
170 2006-01-22 Zack Weinberg <zackw@panix.com>
172 * genautomata.c (output_reserved_units_table): Emit nothing if
173 description->query_units_num is zero. Remove extra blank line.
174 (output_cpu_unit_reservation_p): Short circuit
175 if description->query_units_num is zero.
177 2006-01-22 Zack Weinberg <zackw@panix.com>
179 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
180 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
181 nor any of the random handful of variables that used to be necessary
182 when this program was linked with rtlanal.o. Prune set of forward
183 function declarations.
184 (struct attr_desc): Remove static_p field.
185 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
186 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
187 (attr_string): Do not read the character one past the length of
189 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
190 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
191 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
192 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
193 (make_automaton_attrs): New.
194 (main): Do not call into genautomata. Call local gen_bypass
195 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
196 Remove special case for insn_alts.
197 * genautomata.c: Include gensupport.h; not genattrtab.h nor
198 varray.h (leftover from previous change). Prune set of forward
199 function declarations. Remove state_alts fields from all
200 structures. Remove state_alts_table from struct automaton.
201 Make everything except main static. Do not maintain num_dfa_decls.
202 Do not maintain state_alts fields of various structures.
203 (process_decls): Don't validate condexp for dm_insn_reserv decls.
204 (add_arc): Remove state_alts argument. All callers updated.
205 (output_reserved_units_table): Emit #ifdef here...
206 (output_tables): ...not here. Don't generate state_alts tables.
207 (expand_automata): Don't generate attributes.
208 (write_automata): Don't generate state_alts functions.
209 (main): New function.
210 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
211 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
212 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
213 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
214 (BYPASS_P_FUNC_NAME, output_state_alts_table)
215 (output_automata_list_state_alts_code, output_internal_state_alts_func)
216 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
217 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
219 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
220 * genattrtab.h: Delete file.
221 * Makefile.in (OBJS-common): Add insn-automata.o.
222 (insn-automata.o): New rule.
223 (simple_generated_c): Add insn-automata.c.
224 (build/genattrtab.o, build/genautomata.o): Update dependencies.
225 (genprogmd): Add automata.
226 (build/genattrtab): Needs no extra objects nor libraries.
227 (build/genautomata): Needs build/vec.o and -lm.
229 2006-01-22 Zack Weinberg <zackw@panix.com>
231 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
232 (output_dfa_max_issue_rate, locked_states_num): Delete.
233 (struct automaton): Add locked_states field.
234 (output_dead_lock_vect): Save number of locked states in
235 automaton->locked_states. If it is zero, don't print anything.
236 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
237 (output_internal_dead_lock_func): Only test the dead_lock_vect
238 for automata that have locked states.
239 (output_statistics): Always print the number of locked states for
240 each automaton. Calculate total number of locked states here.
241 (write_automata): Don't call output_dfa_max_issue_rate.
242 * genattrtab.c: Define length_unit_log as a const variable.
243 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
244 max_insn_queue_index const.
245 * final.c (length_unit_log): Declare const.
246 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
248 2006-01-22 Zack Weinberg <zackw@panix.com>
250 * genautomata.c: Include vec.h, not varray.h.
251 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
252 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
253 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
254 VEC_* macros operating on appropriately typed vectors, or to
255 malloced arrays when the size is known in advance. Const-ify
256 many char* variables and function arguments. No functional changes.
257 * Makefile.in (build/varray.o): Delete rule.
258 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
259 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
261 2006-01-22 Zack Weinberg <zackw@panix.com>
263 * gensupport.c: Define get_insn_name and record_insn_name here.
264 (read_md_rtx): Call record_insn_name as appropriate.
265 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
266 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
267 * genpreds.c, genrecog.c: Don't define get_insn_name nor
269 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
270 (BUILD_VARRAY): Delete.
271 (genprognormal): Rename genprogmd. Fold in all programs from
272 genprognoprint; also attrtab.
273 (build/genattrtab): Just mention genautomata.o and varray.o.
274 Reorganize a bit, add comments to make the categories clearer.
276 2006-01-22 Zack Weinberg <zackw@panix.com>
278 * genconditions.c (condition_table, add_condition): Delete.
279 (write_conditions): Don't emit n_insn_conditions nor
280 insn_elision_unavailable. Issue the gcc version #ifdef here,
281 inside the table, with no #else clause ...
282 (write_header): ...not here.
283 (write_writer): New function.
284 (main): Don't initialize condition_table. Use add_c_test.
286 * gensupport.c (init_md_reader_args_cb): Handle multiple input
287 files on the command line.
288 (maybe_eval_c_test): Don't check insn_elision_unavailable.
289 Return -1 if there is no entry in the table, don't abort.
290 (add_c_test, traverse_c_tests): New functions.
291 * gensupport.h (insn_elision_unavailable, insn_conditions)
292 (n_insn_conditions): Delete declarations.
293 (add_c_test, traverse_c_tests): Declare.
294 * read-rtl.c: Include gensupport.h.
295 (read_conditions): New function.
296 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
297 (read_rtx_1): If we get EOF when we were looking for an initial
298 open paren, return 0. Call read_conditions when appropriate.
299 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
300 dummy-conditions.o. Eliminate references to insn-conditions.o,
301 or change them to build/gencondmd.o, as appropriate. Remove
302 insn-constants.h from $(simple_generated_h) and insn-conditions.c
303 from $(simple_generated_c). For all files remaining in those
304 two lists, add insn-conditions.md to the generator command line.
305 Give insn-constants.h/s-constants their own rules. Add rules
306 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
307 (build/read-rtl.o): Depend on gensupport.h.
308 (genprognormal): Include preds.
309 (genprogearly): Rename genprognoprint; only difference is now that
310 they don't link with $(BUILD_PRINT).
311 * dummy-conditions.c: Delete.
313 2006-01-22 Zack Weinberg <zackw@panix.com>
315 * genextract.c: Don't include insn-config.h. Do include vec.h.
316 Declare vectors of int, char, and locstr.
317 (locstr): New typedef.
318 (struct extraction): Make all array fields into bare pointers.
319 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
320 (insn_code_number): Delete.
321 (accum_extract): New struct.
322 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
323 (gen_insn): Take insn_code_number as an argument. Use an
324 accum_extract structure instead of loading data directly into
325 a struct extraction, and having to know how big it might get.
326 (walk_rtx): Operate entirely on an accum_extract structure.
327 (print_path): Avoid unnecessary use of printf.
328 (print_header): New function, split out of main. Distinguish
329 more carefully between an unrecognizable insn and an insn that
330 has the code number of a define_expand.
331 (main): Pass insn_code_number to gen_insn. Call print_header
332 only after parsing. Avoid unnecessary use of printf.
333 * Makefile.in (build/vec.o): New rule.
334 (build/genextract): Depend on build/vec.o.
335 (build/genextract.o): Don't depend on insn-config.h.
337 2006-01-22 Zack Weinberg <zackw@panix.com>
339 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
340 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
341 practical. Eliminate per-generator-program link rules.
343 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
346 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
347 with a call expr to ...
348 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
350 2006-01-23 Richard Guenther <rguenther@suse.de>
352 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
353 before make_edge with conditional EDGE_TRUE_VALUE.
355 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
356 Jan Hubicka <jh@suse.cz>
357 Richard Guenther <rguenther@suse.de>
359 PR rtl-optimization/25654
360 * cfgexpand.c (aggregate_contains_union_type): New function.
361 (add_alias_set_conflicts): Call it. Make sure to add conflicts
362 for structure variables that contain a union type.
364 2006-01-23 Richard Sandiford <richard@codesourcery.com>
366 * gengtype.c (new_structure): Return the structure.
367 (create_option): Add an extra "next" argument.
368 (create_field): New function.
369 (adjust_field_rtx_def): Use create_option and create_field.
370 Remove a now-unnecessary call to find_structure.
371 (adjust_field_tree_def): Likewise.
372 (note_yacc_type): Remove an unnecessary call to find_structure.
373 * gengtype.h (new_structure): Return the structure.
374 (create_option): Add an extra argument.
375 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
376 (option): Adjust calls to create_option.
378 2006-01-22 David Edelsohn <edelsohn@gnu.org>
380 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
382 2006-01-22 Paul Brook <paul@codesourcery.com>
383 Peter Barada <peter@the-baradas.com>
385 * config/m68k/m68k.md: Add Coldfire FPU support.
386 Define FP mode macro and associated attributes.
387 Use it for float mode patterns.
388 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
389 (LIBCALL_VALUE): Use m68k_libcall_value.
390 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
391 (m68k_function_value): Ditto.
392 (emit_move_sequence): Ditto.
393 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
394 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
395 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
396 (MULTILIB_EXCEPTIONS): Ditto.
397 * config/m68k/m68k.opt: Add mcfv4e.
398 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
399 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
400 (m68k_output_function_prologue): Save ColdFire FPU registers.
401 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
402 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
403 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
404 ColdFire FPU registers.
405 (m68k_libcall_value, m68k_function_value): New functions.
406 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
407 (LIBCALL_VALUE): Use m68k_libcall_value.
408 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
409 (MASK_COLDFIRE): Add MASK_CFV4E.
410 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
411 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
412 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
413 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
414 (GO_IF_LEGITIMATE_ADDRESS): Use it.
415 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
416 * doc/invoke.tex: Document -mcfv4e on m68k.
418 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
420 * doc/contribute.texi: Change CVS to SVN and update the corresponding
423 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
426 * c-opts.c (c_common_handle_option): Don't include
427 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
428 * doc/invoke.texi (C++ Dialect Options): Document that
429 -Wnon-virtual-dtor is no longer included in -Wall.
431 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
433 * gcov.c (print_version), gcov-dump.c (print_version),
434 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
437 2005-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
439 * df-scan.c (problem_SCAN): Added NULL reset function.
440 (df_scan_reset_blocks): Added code to call reset block function
441 (df_bb_refs_delete) Fixed comment.
442 (df_insn_refs_delete): Made tolerant of deleting non existent info
443 for dataflow problems that need to be reset.
444 * df-core.c (df_set_blocks): Ditto.
445 * df.h (struct df_problem): Added reset_fun.
446 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
447 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
448 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
449 functions to clear out all references to def-use or use-def chains.
451 2006-01-21 Ben Elliston <bje@au.ibm.com>
453 * varasm.c (assemble_real): Initialise data array.
455 2006-01-20 Paul Brook <paul@codesourcery.com>
457 Merge from csl-arm-branch.
458 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
459 * config/arm/arm.md (movdi): Force operands[1] to a register
460 if we have a non-register source.
461 (*arm_movdi, *movdf_soft_insn): Require that one of the
462 operands be a register.
463 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
464 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
466 2006-01-20 DJ Delorie <dj@redhat.com>
468 * varasm.c (initialize_constant_valid_p): Allow pointers
469 initialized from integer constants of lesser precision.
470 (output_constant): Allow non-int-sized pointer modes to be
471 initialized from integer constants.
473 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
476 * cppdefault.h (struct default_include): Add multilib flag.
477 * cppdefault.c (cpp_include_defaults): Set it.
478 * c.opt (-imultilib): New option.
479 * c-opts.c (imultilib): New.
480 (c_common_handle_option): Handle -imultilib.
481 (c_common_post_options): Likewise.
482 * c-incpath.c (add_standard_paths, register_include_chains):
484 * c-incpath.h (register_include_chains): Add extra parameter.
485 * gcc.c (do_spec_1): Generate -imultilib option.
486 (The Specs Language): Update %I description.
487 (process_command): Update copyright notice.
488 * doc/cppopts.texi (-imultilib): Document.
489 * doc/invoke.texi (-imultilib): Include in option summary.
490 (%I): Update specs documentation.
492 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
494 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
496 2006-01-20 Richard Sandiford <richard@codesourcery.com>
498 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
501 2006-01-20 Richard Guenther <rguenther@suse.de>
502 Steven Bosscher <stevenb.gcc@gmail.com>
504 PR rtl-optimization/24626
505 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
506 EDGE_TRUE_VALUE if in RTL mode.
509 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
510 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
512 2006-01-20 Dirk Mueller <dmueller@suse.com>
515 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
516 instead of a special NOP marker.
517 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
519 * c-common.h (empty_body_warning): Add forward declaration.
520 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
521 Now uses IS_EMPTY_STMT() instead of special NOP markers.
523 2005-01-20 Paul Brook <paul@codesourcery.com>
525 * Makefile.in (lang_checks): Keep going if mkdir fails.
527 2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
529 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
530 be able to clean out basic block when not necessary.
531 (df_scan_free): Fixed to properly delete information if df is
532 unused before calling df_finish.
533 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
534 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
536 (df_bb_refs_delete): New function.
537 (df_refs_delete): Moved per block code to df_bb_refs_delete.
538 * df-core.c (df_set_blocks): Added code to properly clean out
539 unused blocks if they are not part of the blocks to consider.
540 Added additional null check.
541 (df_compact_blocks): Added basic block parameter to free_bb_fun to
542 be able to clean out basic block when not necessary
543 * df.h (df_free_bb_function): Ditto.
544 (df_bb_refs_delete): New function.
545 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
546 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
547 basic block parameter to be able to clean out basic block when not
549 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
550 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
551 Fixed to properly delete information if df is unused before
554 2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
556 PR rtl-optimization/25799
557 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
558 Corrected confluence operator to remove bits from op2 before oring
559 with op1 rather than removing bits from op1.
560 (df_ru_transfer_function): Corrected test on wrong bitmap which
561 caused infinite loop. Both of these problems were introduced in
562 the dataflow rewrite.
564 2006-01-19 DJ Delorie <dj@redhat.com>
566 * reload1.c (find_reload_regs): Note the details of reload
567 failures in the dump file.
568 (spill_failure): Likewise.
570 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
572 * loop-iv.c: Include df.h and hashtab.h.
573 (enum iv_grd_result): New enum.
574 (DF_REF_IV, DF_REF_IV_SET): New macros.
575 (struct biv_entry): New.
576 (df, bivs): New global variables.
577 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
578 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
580 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
581 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
582 analyzed_for_bivness_p, record_biv): New functions.
583 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
584 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
585 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
587 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
589 (iv_number_of_iterations): Use new interface to iv analysis.
590 * loop-unroll.c: Do not include varray.h.
591 (analyze_iv_to_split_insn): Use new interface to iv
593 * loop-unswitch.c (may_unswitch_on): Ditto.
594 * df.c (df_bitmaps_free): Only work for bbs for that structures are
596 (df_bb_modify): Realloc tables to the new index.
597 (df_find_use): New function.
598 * df.h (df_find_use): Declare.
599 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
601 * cfgloop.h (struct rtx_iv): Remove analysed field.
602 (iv_get_reaching_def): Removed.
603 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
604 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
605 (loop-iv.o): Add df.h and hashtab.h dependency.
606 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
608 2006-01-20 Alan Modra <amodra@bigpond.net.au>
610 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
612 (__floatundisf, __floatundidf): Likewise.
613 * libgcc2.h (IS_IBM_EXTENDED): Define.
615 2006-01-19 DJ Delorie <dj@redhat.com>
617 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
619 2006-01-19 Paul Brook <paul@codesourcery.com>
621 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
622 as nothrow when unwinding tables are disabled.
624 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
627 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
628 of bit-field" when in system header.
630 2006-01-19 DJ Delorie <dj@redhat.com>
632 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
633 the 16 bit shift limit of the m16c.
635 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
638 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
639 * config/i386/i386.c (output_set_got): Output the label if we have one
640 for the TARGET_DEEP_BRANCH_PREDICTION case.
642 2006-01-19 Jan Hubicka <jh@suse.cz>
643 H.J. Lu <hongjiu.lu@intel.com>
644 Evandro Menezes <evandro.menezes@amd.com>
646 * invoke.texi (generic): Document
648 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
649 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
650 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
651 (x86_use_incdec, x86_pad_returns): New variables
652 (TARGET_CPU_DEFAULT_generic): New constant
653 (TARGET_CPU_DEFAULT_NAMES): Add generic.
654 (enum processor_type): Add generic32 and generic64.
655 * i386.md (cpu attribute): Add generic32/generic64
656 (movhi splitter): Behave sanely when both partial_reg_dependency and
657 partial_reg_stall are set.
658 (K8 splitters): Enable for generic as well.
659 * predicates.md (incdec_operand): Use TARGET_INCDEC
660 (aligned_operand): Avoid memory mismatch stalls.
661 * athlon.md: Enable for generic64, new patterns for 128bit moves.
662 * ppro.md: Enable for generic32
663 * i386.c (generic64_cost, generic32_cost): New.
664 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
665 (x86_use_leave): Enable for generic64. (x86_use_sahf,
666 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
667 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
668 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
669 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
670 x86_partial_reg_dependency, x86_memory_mismatch_stall,
671 x86_accumulate_outgoing_args, x86_prologue_using_move,
672 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
673 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
675 (x86_use_incdec, x86_pad_returns): New.
676 (override_options): Add generic32 and generic64, translate "generic"
677 to generic32/generic64 and "i686" to "generic32", refuse
678 "generic32"/"generic64" as arch target.
679 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
680 (ix86_reorg): Honor PAD_RETURNS.
682 2006-01-19 Diego Novillo <dnovillo@redhat.com>
684 * tree-pretty-print.c (dump_generic_node): Handle
685 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
686 * cgraph.c (cgraph_expand_queue): Rename from
687 cgraph_analyze_queue. Update all users.
688 * cgraphunit.c (cgraph_assemble_pending_functions): Process
690 (cgraph_expand_all_functions): Likewise.
691 (cgraph_finalize_pending_functions): Remove. Update callers.
693 * tree.h (OMP_DIRECTIVE_P): Define.
694 (OMP_PARALLEL_FN): Define.
695 (OMP_PARALLEL_DATA_ARG): Define.
696 (OMP_SECTIONS_SECTIONS): Define.
697 * tree-pass.h (pass_expand_omp): Declare.
698 * omp-low.c (struct omp_region): Declare.
699 (struct omp_context): Remove fields 'parallel_type',
700 'parallel_start_ix' and 'parallel_start_additional_args'.
702 (struct omp_for_data): Rename from struct expand_omp_for_data.
703 (omp_regions): New static variable.
704 (root_omp_region): New static variable.
705 (find_omp_clause): Make static.
706 (is_in_combined_parallel_ctx): Remove.
707 (is_combined_parallel): New.
708 (extract_omp_for_data): Move earlier in the file.
709 (workshare_safe_to_combine_p): New.
710 (get_ws_args_for): New.
711 (determine_parallel_type): Move earlier in the file.
712 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
714 (omp_copy_decl): Likewise.
715 (create_omp_child_function): Likewise.
716 (lookup_omp_region): New.
717 (dump_omp_region): New.
718 (debug_omp_region): New.
719 (debug_all_omp_regions): New.
720 (new_omp_region): New.
721 (scan_omp_parallel): If parallel_nesting_level > 1, the
722 directive is nested within another parallel directive.
724 (scan_omp_for): Do not try to handle combined parallel+for
726 Remove FIXME comment.
727 (scan_omp_nested): Remove.
728 (scan_omp_1): Do not call scan_omp_nested when
729 parallel_nesting_level is > 1.
730 Do not change the DECL_CONTEXT of local variables found.
731 (lookup_decl_in_outer_ctx): New.
732 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
733 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
734 (lower_reduction_clauses): Rename from expand_reduction_clauses.
735 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
736 If CTX is nested, lookup VAR in the outer context when
737 building copy assignment.
738 (lower_send_clauses): Rename from expand_send_clauses.
739 If CTX is nested, lookup VAR in the outer context when
740 building copy assignments.
741 (lower_send_shared_vars): Rename from expand_send_shared_vars.
742 If CTX is nested, lookup VAR in the outer context when
743 building copy assignments.
744 (expand_parallel_call): Rename from build_parallel_call.
745 Handle combined parallel+workshare cases.
746 Re-implement to emit code into the CFG.
748 (expand_omp_parallel): Re-implement to emit code into the CFG.
749 Call move_sese_region_to_fn to outline the sub-graph
750 containing the parallel region.
751 (expand_omp_for_1): Remove.
752 (expand_omp_for_generic): Re-implement to emit code into the
754 (expand_omp_for_static_nochunk): Likewise.
755 (expand_omp_for_static_chunk): Likewise.
756 (expand_omp_for): Likewise.
757 (expand_omp_sections): Likewise.
758 (remove_exit_barriers): New.
759 (expand_omp_synch): New.
761 (build_omp_regions_1): New.
762 (build_omp_regions): New.
763 (execute_expand_omp): New.
764 (gate_expand_omp): New.
765 (pass_expand_omp): Define.
766 (lower_omp_sections): Rename from expand_omp_sections.
767 Set OMP_SECTIONS_SECTIONS.
768 (lower_omp_single_simple): Rename from expand_omp_single_simple.
769 (lower_omp_single_copy): Rename from expand_omp_single_copy.
770 (lower_omp_single): Rename from expand_omp_simple.
771 (lower_omp_master): Rename from expand_omp_master.
772 (lower_omp_ordered): Rename from expand_omp_ordered.
773 (lower_omp_critical): Rename from expand_omp_critical.
774 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
775 (lower_omp_for): Re-implement.
776 (lower_omp_parallel): Re-implement.
777 (lower_regimplify): Rename from expand_regimplify.
778 (lower_omp_1): Rename from expand_omp_1.
779 If there are syntax errors in the program, replace every
780 OpenMP directive with NOP.
781 Call lower_omp_* instead of expand_omp_*.
782 (lower_omp): Rename from expand_omp.
784 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
785 * tree-gimple.h (enum omp_parallel_type): Remove.
786 (gimple_boolify): Declare extern.
787 (find_omp_clause, determine_parallel_type): Remove.
789 * gimple-low.c (lower_omp_directive): New.
790 (lower_stmt): Call it.
791 (record_vars_into): Move from ...
792 (record_vars): ... here.
793 Call record_vars_into with current_function_decl.
795 * gimplify.c (struct gimplify_ctx): Remove fields
796 combined_pre_p and combined_ctxp. Update users.
797 (get_formal_tmp_var): Add documentation.
798 (gimple_boolify): Make extern.
799 (gimplify_expr_in_ctx): Remove. Update callers.
800 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
801 will always be a BIND_EXPR.
802 (gimplify_expr): Handle OMP_RETURN_EXPR.
803 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
804 (OMP_PARALLEL): Add 3 operands.
805 (OMP_SECTIONS): Add 1 operand.
806 (OMP_RETURN_EXPR): Define.
808 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
809 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
810 * tree-iterator.c (alloc_stmt_list): Assert that we are not
811 creating a circular free list.
812 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
814 * tree-flow.h (move_sese_region_to_fn): Declare.
815 (record_vars_into): Declare.
816 * tree-cfg.c (make_omp_sections_edges): New.
817 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
818 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
819 OMP_SECTIONS and OMP_SECTION.
820 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
821 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
822 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
823 (gather_blocks_in_sese_region): New.
824 (struct move_stmt_d): Declare.
826 (move_block_to_fn): New.
827 (move_sese_region_to_fn): New.
829 * passes.c (init_optimization_passes): Schedule
830 pass_expand_omp after pass_init_datastructures.
832 * tree-ssa-operands.c (get_expr_operands): Handle
833 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
834 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
836 2006-01-19 Jeff Law <law@redhat.com>
838 * tree-vrp.c (extract_range_from_assert): Refine the result range
839 if the variable referenced by the ASSERT_EXPR has a range and
840 either the tentative result range or the previous range is a
843 2006-01-19 Richard Sandiford <richard@codesourcery.com>
845 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
847 2006-01-19 Jan Hubicka <jh@suse.cz>
849 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
851 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
853 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
854 (expand_compound_operation, expand_field_assignment): Fail if the
855 bit lengths of an extract operation are out of range.
856 (make_extraction): Compute wanted_inner_mode based on the position
857 and length of the extraction. Make it extraction_mode for non-constant
858 positions, and do not modify offset in that case. When generating a
859 new MEM, use a mode that can hold the extraction while keeping correct
860 alignment. Remove code that supported MEMs wrapped by USEs.
861 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
863 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
865 * config/s390/s390.md ("Y", "y"): New mode attribute.
866 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
867 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
868 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
869 "*addsi3_imm_cc", "*addsi3_carry1_cc",
870 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
871 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
872 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
873 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
874 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
875 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
876 "addsi3", "subsi3"): Insn patterns removed.
877 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
878 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
879 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
880 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
881 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
882 "*sub<mode>3_cconly2"): New insn patterns.
883 ("addsi3", "subsi3"): New expanders.
885 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
887 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
888 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
889 existing STMT_VINFO_VECTYPE if available.
890 (vect_mark_relevant): Add special handling for stmts that are
891 marked as STMT_VINFO_IN_PATTERN_P.
892 (vect_analyze_loop): Call vect_pattern_recog.
893 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
894 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
896 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
897 (vect_recog_func_ptr): New function-pointer type.
898 * tree-vect-patterns.c: New file.
899 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
900 (vect_recog_dot_prod_pattern, vect_pattern_recog):
901 (vect_pattern_recog_1): New functions.
902 (vect_pattern_recog_funcs): New array of function pointers.
904 * tree-vectorizer.h (ternary_op): New enum value.
905 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
906 declaration. Revised documentation. Removed redundant dump prints.
907 Removed redundant argument. Added support for reduction patterns.
908 (vectorizable_reduction): Added support for reduction patterns.
909 (vect_transform_stmt): Added support for patterns.
911 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
912 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
913 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
914 (expand_widen_pattern_expr): New function.
915 (init_optabs): Initialize new optabs udot_prod_optab,
917 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
918 (sdot_prod_optab, udot_prod_optab): Define new optabs.
919 (expand_widen_pattern_expr): New function declaration.
920 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
922 * tree-inline.c (estimate_num_insns_1): Added cases for new
923 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
924 * tree-pretty-print.c (dump_generic_node): Likewise.
926 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
927 * tree-ssa-operands.c (get_expr_operands): Added case for
929 * tree-vect-patterns.c (widened_name_p): New function.
930 (vect_recog_dot_prod_pattern): Added function implementation.
931 * tree-vect-transform.c (get_initial_def_for_reduction): Added
932 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
933 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
934 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
936 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
937 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
938 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
939 (init_optabs): Initialize new optabs widen_ssum_optab,
941 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
942 (widen_ssum_optab, widen_usum_optab): Define new optabs.
943 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
944 use instead of type of def.
945 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
946 function implementation.
947 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
948 widen_ssumv8hi): New.
950 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
953 2006-01-19 Richard Sandiford <richard@codesourcery.com>
956 * c-decl.c (add_flexible_array_elts_to_size): New function.
957 (finish_decl): Use it.
959 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
961 * diagnostic.h: Include options.h.
962 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
963 dependancies for diagnostic.h.
964 * Makefile.in (DIAGNOSTIC_H): Add options.h.
966 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
968 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
969 (ssa_ro_call_cache_valid): Ditto.
970 * tree-ssa-alias.c (sort_tags_by_id): New function.
971 (init_transitive_clobber_worklist): Ditto.
972 (add_to_worklist): Ditto.
973 (mark_aliases_call_clobbered): Ditto.
974 (compute_tag_properties): Ditto.
975 (set_initial_properties): Ditto.
976 (compute_call_clobbered): Ditto.
977 (compute_may_aliases): Call compute_call_clobbered and grouping.
978 (compute_flow_sensitive_aliasing): Remove clobbering related code.
979 (compute_flow_insensitive_aliasing): Grouping now happens in our
981 (setup_pointers_and_addressables): Remove clobbering related code.
982 (add_may_alias): Ditto.
983 (replace_may_alias): Ditto.
984 (get_nmt_for): Ditto.
986 (is_escape_site): Return an escape_type enumeration.
987 * tree-flow-inline.h (is_call_clobbered): Global var does not
988 imply call clobbered.
989 (mark_call_clobbered): Take a reason for marking this. Remove
990 marking of globalness, and cache invalidation.
991 (clear_call_clobbered): Remove cache invalidation code.
992 * tree-dfa.c (dump_variable): If details is on, dump the reason
994 * tree-outof-ssa.c (create_temp): Copy escape mask from original
996 * tree-flow.h (struct ptr_info_def): Add escape mask member.
997 (struct var_ann_d): Ditto.
998 (enum escape_type): New.
999 (mark_call_clobbered): Adjust prototype.
1000 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1001 are never call clobbered.
1002 Record reasons for escaping.
1003 * tree-ssa-structalias.h (is_escape_site): Update prototype.
1004 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1005 (ssa_ro_call_cache_valid): Ditto.
1006 (clobbered_v_may_defs): Ditto.
1007 (clobbered_vuses): Ditto.
1008 (ro_call_vuses): Ditto.
1009 (clobber_stats): New.
1010 (init_ssa_operands): Zero out clobber stats.
1011 (fini_ssa_operands): Print out clobber stats.
1012 (get_call_expr_operands): Pass callee fndecl to
1014 (add_call_clobber_ops): Remove use of cache.
1015 Add use of PURE_CONST information.
1016 (add_call_read_ops): Remove use of cache.
1017 Add use of static not_read information.
1019 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
1021 Introduce TLS descriptors for i386 and x86_64.
1022 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1023 (TARGET_ANY_GNU_TLS): New macro.
1024 (enum tls_dialect): Added TLS_DIALECT_GNU2.
1025 (struct machine_function): Add tls_descriptor_call_expanded_p.
1026 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1027 (ix86_current_function_calls_tls_descriptor): Likewise.
1028 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1029 (override_options): Introduce gnu2 tls dialect.
1030 (ix86_frame_pointer_required): Functions containing TLSCALLs are
1032 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1034 (legitimize_tls_address): Adjust logic for GNU2 TLS.
1035 (ix86_init_machine_status): Initialize new field.
1036 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1037 (ix86_tls_module_base): New.
1038 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1039 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1040 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1041 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1042 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1043 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1044 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1045 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1046 * config/i386/predicates.md (tls_modbase_operand): New.
1047 (tp_or_register_operand): New.
1049 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
1051 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
1052 (look_for_address_of): Ditto.
1053 (ipa_init): Walk the function decls.
1054 (static_execute): Don't set readonly on FUNCTION_DECL's.
1056 2006-01-18 Roger Sayle <roger@eyesopen.com>
1058 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1059 for shifts where the source and destination registers are different.
1061 2006-01-18 Paul Brook <paul@codesourcery.com>
1063 Merge from csl-arm-branch.
1064 2005-03-14 Julian Brown <julian@codesourcery.com>
1065 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1066 (aeabi_llsl): Likewise.
1067 (ashrdi3): Likewise.
1068 (aeabi_lasr): Likewise.
1069 (lshrdi3): Likewise.
1070 (aeabi_llsr): Likewise.
1071 2005-03-10 Julian Brown <julian@codesourcery.com>
1072 * config.gcc: Disable shared libgcc for SymbianOS.
1073 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1075 2006-01-18 DJ Delorie <dj@redhat.com>
1077 * c-pragma.c (handle_pragma_diagnostic): New.
1078 (init_pragma): Register it.
1079 * doc/extend.texi: Document it.
1081 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1082 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1083 (diagnostic_context): Add classify_diagnostic[].
1084 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1085 as errors if they're overridden to DK_WARNING.
1086 (diagnostic_initialize): Initialize classify_diagnostic[].
1087 (diagnostic_set_kind_override): New.
1088 (diagnostic_report_diagnostic): Check for kind changes.
1089 * opts.c (common_handle_option): Take lang_mask. Update callers.
1091 * common.opt (Werror=): New.
1092 * doc/invoke.texi: Document -Werror=*
1094 2006-01-18 Jeff Law <law@redhat.com>
1096 * tree-vrp.c (test_for_singularity): Correct test for new
1097 min limit. Use operand_equal_p rather than pointer equality
1098 for testing if new min/max values are equal.
1100 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1101 using range information until after propagation and folding.
1103 2006-01-18 Richard Henderson <rth@redhat.com>
1104 Aldy Hernandez <aldyh@redhat.com>
1105 Jakub Jelinek <jakub@redhat.com>
1106 Diego Novillo <dnovillo@redhat.com>
1108 * omp-low.c: New file.
1109 * c-omp.c: New file.
1111 2006-01-18 Richard Henderson <rth@redhat.com>
1112 Jakub Jelinek <jakub@redhat.com>
1113 Diego Novillo <dnovillo@redhat.com>
1115 * doc/invoke.texi: Document -fopenmp.
1116 * tree-dump.h (debug_function): Declare.
1117 * hooks.c (hook_bool_tree_bool_false): New function.
1118 (hook_tree_tree_null): Remove.
1119 (hook_tree_tree_tree_null): New.
1120 * hooks.h: Update to match.
1121 * tree-pretty-print.c (debug_tree_chain): New.
1122 (print_generic_expr): Handle TDF_CHAIN.
1123 (dump_generic_node): Handle BLOCK.
1124 Do not abort with incomplete SWITCH_EXPRs.
1125 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1126 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1127 print space after directive name.
1128 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1129 Handle OMP_MASTER and OMP_ORDERED.
1130 Handle printing of OMP_BODY just in one place, goto
1131 dump_omp_body in the rest of OMP_* nodes that have
1133 Don't handle clause nodes here. Update omp statements to
1134 use dump_omp_clauses.
1135 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1136 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1137 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1138 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1139 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1140 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1141 Adjust output for GOMP_PARALLEL.
1142 (dump_omp_clauses): New.
1143 (print_declaration): Dump DECL_VALUE_EXPR.
1144 (op_symbol_1): Split out of op_symbol.
1145 (dumping_stmts): Remove. Update all users.
1146 * cgraph.c (cgraph_analyze_queue): New.
1147 (cgraph_add_new_function): New.
1148 * cgraph.h (cgraph_analyze_queue): Declare.
1149 (cgraph_add_new_function): Declare.
1150 (cgraph_lower_function): Remove.
1151 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1152 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1153 and TYPE_P nodes in its default clause.
1154 (empty_body_p): New.
1155 (tree_range_check_failed): New.
1157 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1158 OMP_CLAUSE_REDUCTION_MERGE,
1159 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1160 OMP_CLAUSE_PRIVATE_DEBUG,
1161 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1162 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1163 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1164 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1165 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1166 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1167 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1168 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1169 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1170 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1171 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1172 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1173 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1174 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1175 (TREE_RANGE_CHECK): New.
1176 (empty_body_p): Declare.
1177 (enum omp_clause_default_kind): New.
1178 (build_string_literal): Declare.
1179 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1180 (build5_stat, build5): Declare.
1181 * tree-pass.h (TDF_CHAIN): Define.
1182 * tree-pass.h (PROP_gimple_lomp): Define.
1183 (pass_lower_omp): Declare.
1184 * diagnostic.h (debug_tree_chain): Declare.
1185 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1187 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1188 * builtins.c (build_string_literal): Make extern.
1189 * gcc.c (include_spec_function): New.
1190 (static_spec_functions): Add it.
1191 (main): Move load of libgomp.spec ...
1192 (LINK_COMMAND_SPEC): ... here.
1193 (link_gomp_spec): New.
1194 (static_specs): Include it.
1195 (LINK_COMMAND_SPEC): Add link_gomp.
1196 (GOMP_SELF_SPECS): New.
1197 (driver_self_specs): Include it.
1198 (switch_matches): Don't mark inline.
1199 (main): Load libgomp.spec.
1200 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1201 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1202 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1203 * tree-gimple.h (enum omp_parallel): Declare.
1204 (determine_parallel_type): Declare.
1205 (omp_firstprivatize_variable): Declare.
1206 (omp_reduction_init): Declare.
1207 (diagnose_omp_structured_block_errors): Declare.
1208 (struct walk_stmt_info): Add want_return_expr.
1209 (struct walk_stmt_info): Add want_bind_expr, want_locations.
1210 (find_omp_clause): Declare.
1211 (insert_field_into_struct): Declare.
1212 (struct walk_stmt_info): Move from tree-nested.c
1213 (walk_stmts): Declare.
1214 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1216 * cgraphunit.c (cgraph_lower_function): Make static.
1217 (cgraph_finalize_pending_functions): New.
1218 (cgraph_finalize_function): Call it.
1219 (cgraph_finalize_compilation_unit): Likewise.
1220 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1221 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1222 (BT_FN_UINT_UINT): New.
1223 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1224 DEF_FUNCTION_TYPE_VAR_4): Document.
1225 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1226 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1227 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1228 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1229 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1230 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1231 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1232 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1233 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1234 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1235 into separate files.
1236 (DEF_GOMP_BUILTIN): New.
1237 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1238 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1239 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1240 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1241 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1242 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1243 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1244 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1245 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1246 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1247 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1248 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1249 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1250 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1251 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1252 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1253 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1254 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1255 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1256 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1257 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1258 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1259 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1260 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1261 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1262 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1263 * sync-builtins.def: New file, moved from builtins.def.
1264 * omp-builtins.def: New file, moved from builtins.def.
1265 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1266 * gimple-low.c (lower_function_body): Clear data.
1267 (lower_stmt): Do not handle COMPOUND_EXPR.
1268 Remove call to print_node_brief.
1269 * c-tree.h (c_finish_omp_clauses): New prototype.
1270 (C_DECL_THREADPRIVATE_P): Define.
1271 (lookup_name_no_remap, c_omp_remap_private): Remove
1272 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1273 (check_for_loop_decls): Update decl.
1274 (lookup_name_no_remap, c_omp_remap_private): Declare.
1275 (build_indirect_ref, build_modify_expr, pushdecl,
1276 pushdecl_top_level): Move to c-common.h.
1277 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1278 before the switch, but just in the 2 places that need it.
1279 * c-decl.c (diagnose_mismatched_decls): Do not check for
1280 mismatched thread-local attributes when OLDDECL is marked
1281 threadprivate and NEWDECL has no thread-local attributes.
1282 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1283 (c_gimple_diagnostics_recursively): Rename from
1284 c_warn_unused_result_recursively. Invoke
1285 diagnose_omp_structured_block_errors.
1286 (check_for_loop_decls): Return a singular decl found.
1287 * langhooks.c (lhd_omp_predetermined_sharing): Return
1288 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1289 (lhd_omp_firstprivatize_type_sizes): New.
1290 (lhd_omp_assignment): New.
1291 (lhd_omp_predetermined_sharing): New.
1292 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1293 (struct lang_hooks_for_types): Add
1294 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1295 omp_predetermined_sharing, omp_disregard_value_expr,
1296 omp_private_debug_clause, omp_clause_default_ctor,
1297 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1298 (c_finish_omp_clauses): New.
1299 (c_finish_bc_stmt): Diagnose break within omp for.
1300 (c_begin_omp_parallel, c_finish_omp_parallel): New.
1301 (build_unary_op): Return error_mark after reporting
1303 (build_modify_expr): Likewise.
1304 * gimplify.c: Include optabs.h and pointer-set.h.
1305 (enum gimplify_omp_var_data): Declare.
1306 (struct gimplify_omp_ctx): Declare.
1307 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1309 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1310 (push_gimplify_context, pop_gimplify_context): Allow nesting.
1311 (splay_tree_compare_decl_uid): New.
1312 (new_omp_context): New.
1313 (delete_omp_context): New.
1314 (gimple_add_tmp_var): Call omp_add_variable.
1315 (gimplify_bind_expr): Likewise.
1316 (gimplify_var_or_parm_decl): If omp_notice_variable returned
1317 true, disregard DECL_VALUE_EXPR on the decl if any.
1318 (gimplify_expr_in_ctx): New.
1319 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1320 omp_add_variable, omp_notice_variable, omp_is_private
1321 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1322 gimplify_adjust_omp_clauses, gimplify_omp_parallel
1323 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1324 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1325 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1326 gimplify_omp_atomic): New.
1327 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1328 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1329 OMP_CRITICAL and OMP_ATOMIC.
1330 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1331 * c-pragma.h (enum pragma_kind): Add
1332 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1333 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1334 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1335 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1336 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1337 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1338 PRAGMA_OMP_THREADPRIVATE.
1339 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1340 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1341 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1342 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1343 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1344 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1345 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1346 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1347 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1348 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1349 * tree-ssa-dce.c (find_control_dependence): Do not assume that
1350 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1351 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1353 (struct nesting_info): Add field_map,
1354 suppress_expansion, debug_var_chain.
1355 (create_nesting_tree): Initialize them.
1356 (lookup_field_for_decl): Use field_map.
1357 (get_nonlocal_debug_decl, get_local_debug_decl): New.
1358 (convert_local_omp_clauses): New.
1359 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1360 (walk_body): Split out of walk_function.
1361 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1362 (convert_nonlocal_reference): Handle omp statements.
1363 (convert_local_reference): Likewise.
1364 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1365 (unnest_nesting_tree): New.
1366 (lower_nested_functions): Call it.
1367 (insert_field_into_struct): Make extern.
1368 (struct walk_stmt_info): Move to tree-gimple.h.
1369 (walk_stmts): Make extern.
1370 * omp-builtins.def: New file.
1371 * tree-iterator.c (expr_only): Clarify comment.
1372 * c-common.h (pushdecl_top_level, pushdecl,
1373 build_modify_expr, build_indirect_ref,
1374 c_finish_omp_master, c_finish_omp_critical,
1375 c_finish_omp_ordered, c_finish_omp_barrier,
1376 c_finish_omp_atomic, c_finish_omp_flush,
1377 c_finish_omp_for, c_split_parallel_clauses,
1378 omp_clause_default_kind, c_omp_sharing_predetermined,
1379 c_omp_remap_decl): Declare.
1380 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1381 (OBJS-common): Add omp-low.o.
1382 (c-omp.o, omp-low.o): Add.
1383 (gimplify.o): Add dependency on $(OPTABS_H).
1384 (GTFILES): Add omp-low.c.
1385 (gt-stringpool.h): Add.
1386 * tree-cfg.c (set_bb_for_stmt): Do not update the
1387 block-to-labels map if we are currently expanding to RTL.
1388 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1390 Handle IDENTIFIER_NODE.
1391 (tree_verify_flow_info): Do not ICE when emitting error
1392 messages about invalid labels.
1393 (dump_function_to_file): Reset CFUN before emitting the body
1395 (debug_function): New.
1396 * passes.c (init_optimization_passes): Schedule
1398 * langhooks-def.h (lhd_omp_predetermined_sharing,
1399 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1401 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1402 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1403 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1404 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1405 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1406 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1407 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1408 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1409 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1410 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1411 (LANG_HOOK_DECLS): Use them.
1413 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1414 Richard Henderson <rth@redhat.com>
1415 Jakub Jelinek <jakub@redhat.com>
1416 Diego Novillo <dnovillo@redhat.com>
1418 * c-parser.c (pragma_omp_clause): Define.
1419 (c_parser_declaration_or_fndef): Document OpenMP syntax.
1420 (c_parser_compound_statement): Likewise.
1421 (c_parser_statement): Likewise.
1422 (c_parser_pragma): Handle omp pragmas.
1423 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1424 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1425 (c_parser_omp_clause_name, check_no_duplicate_clause,
1426 c_parser_omp_variable_list,
1427 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1428 c_parser_omp_clause_copyprivate,
1429 c_parser_omp_clause_default,
1430 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1431 c_parser_omp_clause_lastprivate,
1432 c_parser_omp_clause_nowait,
1433 c_parser_omp_clause_num_threads,
1434 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1435 c_parser_omp_clause_reduction,
1436 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1437 c_parser_omp_all_clauses, c_parser_omp_structured_block,
1438 c_parser_omp_atomic, c_parser_omp_barrier,
1439 c_parser_omp_critical, c_parser_omp_flush,
1440 c_parser_omp_for_loop, c_parser_omp_for,
1441 c_parser_omp_master, c_parser_omp_ordered,
1442 c_parser_omp_sections_scope, c_parser_omp_sections,
1443 c_parser_omp_parallel, c_parser_omp_single,
1444 c_parser_omp_construct, c_parser_omp_threadprivate): New.
1445 * c-pragma.c (init_pragma): Do omp pragma registration here.
1446 * c.opt (fopenmp): New flag.
1448 2006-01-18 Eric Christopher <echristo@apple.com>
1450 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1451 * config/darwin.h (GOMP_SELF_SPECS): Define.
1453 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1455 * rtl.h: Remove the prototype for reg_alloc.
1457 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1460 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1461 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1462 sjlj and dwarf2 exception handling.
1463 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1464 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1465 * pa/pa.c (function_value): Treat complex and vector types as
1467 (function_arg): Likewise. Only pass scalar floats in the floating
1468 point argument registers.
1469 * pa/t-slibgcc-dwarf-ver: New file.
1470 * pa/t-slibgcc-sjlj-ver: New file.
1471 * pa/t-slibgcc-elf-ver: Delete file.
1473 2006-01-19 Alan Modra <amodra@bigpond.net.au>
1475 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1476 unlikely_test_section_p test.
1478 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1480 * mode-switching.c (optimize_mode_switching): Make it static.
1481 * basic-block.h: Remove the prototype for
1482 optimize_mode_switching.
1484 * modulo-sched.c (sms_schedule): Make it static.
1485 * rtl.h: Remove the prototype for sms_schedule.
1487 * postreload-gcse.c (gcse_after_reload_main): Make it static.
1488 * rtl.h: Remove the prototype for gcse_after_reload_main.
1490 * reg-stack.c (reg_to_stack): Make it static.
1491 * rtl.h: Remove the prototype for reg_to_stack.
1493 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1495 * rtl.h: Remove the prototypes for regrename_optimize and
1496 copyprop_hardreg_forward.
1498 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
1500 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1501 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
1502 Test against the appropriate null constant for the mode.
1503 If 'fixup_overlap' is true, swap the operands if they overlap.
1504 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1505 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1506 alpha_split_tmode_pair and adjust for above change.
1507 * config/alpha/alpha.md (movtf_internal): Adjust call to
1508 alpha_split_tfmode_pair and rely on it to swap the operands.
1509 (movti_internal): New insn and post-reload splitter.
1510 (movti): New expander.
1512 2006-01-18 Philippe De Muyter <phdm@macqel.be>
1514 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1517 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1519 * rtlanal.c (global_reg_mentioned_p_1,
1520 global_reg_mentioned_p): Remove.
1521 * rtl.h: Remove the prototype for global_reg_mentioned_p.
1523 * flow.c (initialize_uninitialized_subregs): Make it static.
1524 * rtl.h: Remove the prototype for
1525 initialize_uninitialized_subregs.
1527 * function.c (instantiate_virtual_regs): Make it static.
1528 * function.h: Remove the prototype for
1529 instantiate_virtual_regs.
1531 * regmove.c (regmove_optimize, combine_stack_adjustments):
1533 * rtl.h: Remove the prototypes for regmove_optimize and
1534 combine_stack_adjustments.
1536 2006-01-17 Roger Sayle <roger@eyesopen.com>
1538 * config/i386/i386.c (COSTS_N_BYTES): New macro.
1539 (size_cost): Encode costs in bytes so that a reg-reg addition is
1540 equivalent to COSTS_N_INSNS(1).
1541 (override_options): Use the size_cost.branch_cost as the default
1542 ix86_branch_cost when optimizing for size.
1544 2006-01-18 Ben Elliston <bje@au.ibm.com>
1546 * Makefile.in (D32PBIT_FUNCS): New.
1547 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
1548 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
1549 D64PBIT_FUNCS and D128PBIT_FUNCS.
1550 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
1551 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
1553 (decnumber_dep): Define.
1554 * doc/libgcc.texi (Decimal float library routines): New node.
1555 * config/dfp-bit.h, config/dfp-bit.c: New files.
1557 2006-01-18 Ben Elliston <bje@au.ibm.com>
1559 * expr.c (emit_move_change_mode): Always adjust addresses, not
1560 just during reload. Copy replacements only during reload.
1561 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
1562 emit_move_via_integer.
1564 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
1566 * Makefile.in (check-%, check-consistency): Use $${srcdir}
1567 instead of $(srcdir) and ${srcdir}.
1569 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
1573 * arm.h (struct machine_function): Add pic_reg.
1574 * arm.c (arm_pic_register): Make unsigned.
1575 (arm_override_options): Only set arm_pic_register if
1576 TARGET_SINGLE_PIC_BASE.
1577 (use_return_insn): Only test for a pic register if it is fixed.
1578 (arm_compute_save_reg0_reg12_mask): Likewise.
1579 (thumb_compute_save_reg_mask): Likewise.
1580 (legitimate_pic_operand): Factor out some known invariants.
1581 (legitimize_pic_address): If we don't have a fixed pic register,
1582 then set up a pseudo in the function entry sequence. Handle the
1583 pic base being in a pseudo.
1584 (arm_load_pic_register): Handle the pic register being in a pseudo.
1585 (arm_expand_prologue): Only set up the pic register if it is fixed.
1586 (thumb_expand_prologue): Likewise.
1587 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
1588 (pic_load_addr_based_insn): Likewise.
1589 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
1592 2006-01-18 Ben Elliston <bje@au.ibm.com>
1594 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
1595 decimal float modes for all floating point registers.
1597 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
1598 match_code "mem" with match_test "macho_lo_sum_memory_operand".
1600 2006-01-17 Jakub Jelinek <jakub@redhat.com>
1603 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
1604 even when the pointer is not NULL.
1606 2006-01-16 Ian Lance Taylor <ian@airs.com>
1608 * common.opt (ftoplevel-reorder): New option.
1609 * cgraph.c (cgraph_asm_nodes): New global variable.
1610 (cgraph_asm_last_node): New static variable.
1611 (cgraph_order): New global variable.
1612 (cgraph_create_node): Set new order field.
1613 (cgraph_varpool_node): Likewise.
1614 (decide_is_variable_needed): Return true if not
1615 flag_toplevel_reorder.
1616 (cgraph_add_asm_node): New function.
1617 * cgraph.h (struct cgraph_node): Add order field.
1618 (struct cgraph_varpool_node): Add order field.
1619 (struct cgraph_asm_node): Define.
1620 (cgraph_asm_nodes, cgraph_order): Declare.
1621 (cgraph_add_asm_node): Declare.
1622 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
1624 (cgraph_varpool_assemble_pending_decls): Call it.
1625 (cgraph_output_pending_asms): New static function.
1626 (cgraph_finalize_compilation_unit): Call it.
1627 (struct cgraph_order_sort): Define.
1628 (cgraph_output_in_order): New static function.
1629 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
1630 !flag_toplevel_reorder case.
1631 * c-parser.c: Include "cgraph.h".
1632 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
1634 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
1635 than -fno-unit-at-a-time.
1636 * doc/invoke.texi (Option Summary): Mention
1637 -fno-toplevel-reorder.
1638 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
1639 -funit-at-a-time documentation.
1641 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
1642 Kazu Hirata <kazu@codesourcery.com>
1644 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
1646 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
1648 * Makefile.in (FUNCTION_H): New. Use it instead of
1649 function.h throughout the file.
1650 * function.h: Include tree.h.
1652 2006-01-17 Ben Elliston <bje@au.ibm.com>
1654 * recog.c: Separate some functions with whitespace.
1656 2006-01-16 Richard Henderson <rth@redhat.com>
1658 Merge from gomp branch:
1659 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
1660 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
1661 and rename from struct inline_data. Rename callee* to dst*;
1662 caller* to src*; add copy_decl hook, transform_call_graph_edges,
1663 transform_new_cfg, transform_return_to_modify, and
1664 transform_lang_insert_block flags; remove cloning_p, versioning_p,
1666 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
1667 (copy_decl_for_dup): Remove.
1668 * tree-inline.c (struct inline_data): Move to header.
1669 (insert_decl_map): Export.
1670 (remap_decl): Update for member name changes. Use copy_decl hook.
1671 Allow for replacement to be a non-decl. Remove dead code.
1672 (remap_type_1): Check for existing mapping.
1673 (remap_type): Export.
1674 (remap_decls): Update for member name changes.
1675 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
1676 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
1677 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
1678 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
1679 (tree_function_versioning, build_duplicate_type): Likewise.
1680 (copy_body_r): Likewise. Export.
1681 (copy_decl_for_dup): Split into ...
1682 (copy_decl_for_dup_finish, copy_decl_to_var,
1683 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
1684 (replace_ref_tree, inlining_p): Remove.
1686 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1688 * ifcvt.c (if_convert): Make it static.
1689 * rtl.h: Remove the prototype for if_convert.
1691 * local-alloc.c (local_alloc): Make it static.
1692 * rtl.h: Remove the prototype for local_alloc.
1694 * loop.c (loop_optimize): Make it static.
1695 * cfgloop.h: Remove the prototype for loop_optimize.
1698 2006-01-16 DJ Delorie <dj@redhat.com>
1700 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
1703 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1705 * pa.md: Disparage copies between general and floating-point registers
1706 in 32-bit move patterns.
1708 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
1711 * Makefile.in (check-%): Depend on site.exp instead of
1712 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
1715 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1717 * global.c (global_alloc): Make it static.
1718 * rtl.h: Remove the prototype for global_alloc.
1720 2006-01-16 Richard Guenther <rguenther@suse.de>
1722 * tree-ssa-alias.c (struct used_part): Add write_only field.
1723 (get_or_create_used_part_for): Initialize it to true.
1724 (create_overlap_variables_for): Don't create structure variables
1725 for structures that only are written to.
1726 (find_used_portions): Handle MODIFY_EXPR to track whether a
1727 structure is only written to.
1729 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1731 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
1733 * basic-block.h: Remove the prototype for
1734 partition_hot_cold_basic_blocks.
1736 2006-01-16 Rafael Ãvila de EspÃndola <rafael.espindola@gmail.com>
1738 * cppspec.c (lang_specific_spec_functions): Remove.
1739 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
1740 * gcc.h (lang_specific_spec_functions): Remove.
1741 * gccspec.c (lang_specific_spec_functions): Remove.
1743 2005-01-16 Paolo Bonzini <bonzini@gnu.org>
1745 * combine.c (record_value_for_reg): Invalidate registers
1747 (record_dead_and_set_regs_1): Likewise, by passing them to
1748 record_value_for_reg.
1749 (record_dead_and_set_regs): Invalidate stores made by a
1750 call. We do not combine across a call, but we still
1751 relied on equivalences.
1753 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1755 * tree-vrp.c (extract_range_from_binary_expr): Cope with
1756 vrp_int_const_binop returning non-constant nodes.
1758 2006-01-16 Paul Brook <paul@codesourcery.com>
1760 * config/m68k/m68k.c (output_move_const_into_data_reg):
1761 Output correct mnemonic for mvz and mvs.
1763 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
1765 * rtl-factoring.c: Add sequence abstraction algorithm.
1766 * cfgcleanup.c (outgoing_edges_match): Extra checks.
1767 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
1769 (block_has_preserve_label): New function.
1770 * common.opt: Register new pass.
1771 * Makefile.in: Ditto.
1773 * timevar.def: Ditto.
1774 * tree-pass.h: Ditto.
1775 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
1776 * rtl.h (make_jump_insn_raw): Add forward decl.
1777 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
1779 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1780 Roger Sayle <roger@eyesopen.com>
1782 * fold-const.c (fold_minmax): New static function.
1783 (fold_binary) <MIN_EXPR>: Call it.
1784 <MAX_EXPR>: Likewise.
1785 * stor-layout.c (place_field): Use DECL_SIZE consistently
1786 in the computation of the new record size.
1788 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1790 * cse.c (cse_condition_code_reg): Make it static.
1791 * rtl.h: Remove the prototype for cse_condition_code_reg.
1793 * combine.c (combine_instructions): Make it static.
1794 * rtl.h: Remove the prototype for combine_instructions.
1796 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1799 * tree.c (get_file_function_name_long): Concatenate the first global
1800 object name with a string derived from the input filename of the object
1803 2006-01-16 Ben Elliston <bje@au.ibm.com>
1805 * config/i386/winnt-stubs.c: Update FSF address.
1806 * config/xtensa/ieee754-df.S: Ditto.
1807 * config/xtensa/ieee754-sf.S: Ditto.
1809 2006-01-14 Ian Lance Taylor <ian@airs.com>
1811 * ifcvt.c (noce_init_if_info): New static function, broken out of
1812 noce_process_if_block.
1813 (noce_process_if_block): Call noce_init_if_info.
1814 (check_cond_move_block): New static function.
1815 (cond_move_process_if_block): New static function.
1816 (process_if_block): Call cond_move_process_if_block.
1818 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
1820 * cselib.c (hash_table): Rename to cselib_hash_table.
1821 (cselib_clear_table, discard_useless_values,
1822 remove_useless_values, cselib_lookup_mem, cselib_lookup,
1823 cselib_init, cselib_finish): Adjust uses of hash_table.
1825 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
1827 PR tree-optimization/25485
1828 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
1829 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
1830 is known to be false and true, respectively.
1832 2006-01-14 Richard Guenther <rguenther@suse.de>
1834 PR tree-optimization/22548
1835 PR tree-optimization/22555
1836 PR tree-optimization/22501
1837 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
1838 * params.def (salias-max-array-elements): New parameter.
1839 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
1840 * doc/invoke.texi (salias-max-array-elements): Document.
1841 * tree-flow-inline.h (var_can_have_subvars): We also handle
1843 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
1845 * tree-ssa-structalias.c (params.h): Include.
1846 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
1847 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
1848 (get_constraint_for): For ADDR_EXPR operating on something
1849 containing an ARRAY_REF, add all subvars to the solution.
1850 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
1851 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
1852 for creating MUST_DEFs.
1853 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
1855 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
1857 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
1859 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
1860 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1861 number_of_iterations_le): New functions.
1862 (number_of_iterations_special): Removed.
1863 (number_of_iterations_exit): Do not use number_of_iterations_special.
1864 * tree.c (unsigned_type_for): Always return integer type.
1866 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
1867 Richard Guenther <rguenther@suse.de>
1869 PR rtl-optimization/24257
1870 * gcse.c (find_moveable_store): Only consider a store movable
1871 when the SET_SRC of the insn can be assigned to a register.
1873 2006-01-14 Ian Lance Taylor <ian@airs.com>
1875 * tree.c (tree_not_class_check_failed): New function.
1876 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
1877 (tree_not_class_check_failed): Declare.
1879 2006-01-13 Ian Lance Taylor <ian@airs.com>
1881 * reload1.c (do_output_reload): Add assertion rejecting a
1884 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
1886 * combine.c (struct reg_stat): Add new fields truncation_label and
1888 (record_value_for_reg): Reset truncated_to_mode.
1889 (record_truncated_value): New function.
1890 (check_promoted_subreg): Call it. Rename to check_conversions.
1891 (combine_instructions): Rename check_promoted_subreg to
1893 (reg_truncated_to_mode): New function.
1894 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
1895 (gen_lowpart_or_truncate): New function.
1896 (force_to_mode): Use it instead of gen_lowpart.
1898 2006-01-13 Diego Novillo <dnovillo@redhat.com>
1900 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
1901 VAR is a tag, not its type tag.
1903 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
1905 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
1906 alternatives to match style of other entries.
1907 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
1909 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
1911 PR tree-optimization/25771
1912 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
1915 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
1918 * tree-inline.c (declare_return_variable): If the return variable
1919 was marked as a non gimple complex, set the return slot variable
1920 to be a non gimple comple variable.
1922 2006-01-13 Richard Guenther <rguenther@suse.de>
1924 * builtins.c (expand_builtin_sincos): New function.
1925 (expand_builtin_mathfn_3): Remove dead code, sin and cos
1927 (expand_builtin): Expand sincos using expand_builtin_sincos.
1929 2006-01-12 DJ Delorie <dj@redhat.com>
1931 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
1932 shift counts, separate SI shifts for m32c vs m16c, pass shift type
1933 so that constant shifts can be split.
1934 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
1935 (m32c_valid_pointer_mode): Make static.
1936 (shift_gen_func_for): New.
1937 (m32c_prepare_shift): Use it. Split large const shifts into
1939 * config/m32c/predicates.md (shiftcount_operand): Allow more
1941 (longshiftcount_operand): New.
1942 * doc/md.texi (Machine Constraints): Document In6.
1944 2006-01-13 Ben Elliston <bje@au.ibm.com>
1946 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
1947 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
1950 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
1952 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
1953 to try to avoid clobbering pieces of structures when we know
1954 something about the whole structure.
1955 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
1957 2006-01-13 Ben Elliston <bje@au.ibm.com>
1959 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
1960 return in memory, as this is no limitation is no longer present.
1962 2006-01-12 DJ Delorie <dj@redhat.com>
1964 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
1965 mova with fb, and for fb+0 -> An.
1967 * config/m32c/mov.md (peephole2): Fix enabling logic.
1969 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
1970 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
1971 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
1972 FINI_ARRAY_SECTION_ASM_OP): Define.
1974 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
1976 (m32c_legitimize_reload_address): New logic to reload FB to An.
1977 (m32c_output_reg_push): Add newline.
1978 (m32c_output_reg_pop): Likewise.
1980 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
1982 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
1984 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
1986 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
1988 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1990 * config/sh/predicates.md (sh_rep_vec): Add parallel to
1993 2006-01-11 Ben Elliston <bje@au.ibm.com>
1995 * rtlanal.c (find_reg_note): Assert insn is not null.
1997 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
1999 * df-scan.c (df_hard_reg_init): Move declaration of i outside
2002 2006-01-11 Jeff Law <law@redhat.com>
2004 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2006 (mark_threaded_blocks, register_jump_thread): New functions.
2007 (thread_through_all_blocks): Remove unwanted argument. No
2008 longer rely on e->aux to communicate thread target info.
2009 Call mark_threaded_blocks. Release the threaded_blocks
2010 bitmap and threaded_edges vector when complete.
2011 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2012 (threaded_blocks): Remove.
2013 (tree_ssa_dominator_optimize): Remove initialization and
2014 finalization of threaded_blocks. Simplify call to
2015 thread_through_all_blocks.
2016 (thread_across_edge): Call register_jump_thread rather than
2017 storing thread information into e->aux.
2018 (free_all_edge_infos): Simplify now that e->aux is no longer
2019 used to communicate with thread_through_all_blocks.
2020 * tree-flow.h (thread_through_all_blocks): Update prototype.
2021 (register_jump_thread): Prototype.
2023 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2025 * df-core.c (df_compact_blocks, df_bb_replace): Use
2026 SET_BASIC_BLOCK instead of BASIC_BLOCK.
2028 2006-01-11 Richard Guenther <rguenther@suse.de>
2030 PR tree-optimization/25734
2031 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2032 stop propagation after successful propagation to the LHS.
2034 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2036 * basic-block.h (control_flow_graph): Change the type of
2037 x_basic_block_info to VEC(basic_block,gc) *.
2038 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2040 (SET_BASIC_BLOCK): New.
2041 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2042 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2043 * cfgbuild.c (find_basic_blocks): Likewise.
2044 * cfglayout.c (fixup_reorder_chain): Likewise.
2045 * cfgrtl.c (create_basic_block_structure,
2046 rtl_create_basic_block): Likewise.
2047 * ifcvt.c (find_if_case_1): Likewise.
2048 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2051 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2053 * Makefile.in: Removed rotted odf.c entry.
2055 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
2058 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2059 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2060 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2061 output pattern modifier, not %e.
2062 * config/cris/cris.c (cris_op_str): Update comment about pattern
2064 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2065 before falling through into...
2066 <case 'E'>: Redefined from old 'e' case.
2068 2006-01-11 Jan Hubicka <jh@suse.cz>
2071 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2073 2006-01-11 Jan Hubicka <jh@suse.cz>
2075 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2076 * i386.c (x86_decompose_lea): Kill.
2077 (ix86_rtx_costs): Kill.
2079 2006-01-11 Jan Hubicka <jh@suse.cz>
2081 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2082 * cgraph.h (cgraph_node): Add inline_decl.
2083 (cgraph_insert_node_to_hashtable): Declare.
2084 (save_inline_function_body): Declare.
2085 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2087 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2088 (cgraph_function_versioning): Update call of tree_function_versioning.
2089 (save_inline_function_body): New function.
2090 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2091 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2092 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2093 (cgraph_default_inline_p): Likewise.
2094 (cgraph_decide_inlining_incrementally): Likewise.
2095 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2096 (copy_bb): Kill saving; do updating of clones.
2097 (copy_cfg_body): Kill saving.
2098 (initialize_inlined-parameters): Likewise.
2099 (expand_call_inline): Likewise.
2101 (tree_function_versioning): New parameter "update_clones".
2102 (inlining_p): Kill saving.
2103 * tree-inline.h (tree_function_versioning): Update prototype.
2104 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2107 2006-01-11 Ian Lance Taylor <ian@airs.com>
2109 * combine.c (struct undo): Remove is_int. Enumify types of undos.
2110 Allow undoing set of machine mode.
2111 (do_SUBST): Use enums instead of is_int.
2112 (do_SUBST_MODE): New function.
2113 (SUBST_MODE): New macro.
2114 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2115 reg and trying to replace reg_regno_rtx with a new register.
2116 (undo_all): Use new enums, handle undoing a PUT_MODE change.
2117 (simplify_set): Use SUBST_MODE.
2118 (distribute_notes): Remove code that tried to update reg notes
2119 for regno_reg_rtx changes.
2121 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
2123 PR tree-optimization/23109
2124 PR tree-optimization/23948
2125 PR tree-optimization/24123
2127 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2128 * tree-cfg.c (single_noncomplex_succ): New.
2129 * tree-flow.h (single_noncomplex_succ): Declare it.
2130 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2131 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2132 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2133 insert_bb, register_division_in, insert_reciprocals,
2134 replace_reciprocal, free_bb): New.
2135 (execute_cse_reciprocals_1): Rewritten.
2136 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2137 Do not commit any edge insertion. Always compute dominators and
2138 create the allocation pool.
2139 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2140 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2141 * targhooks.c (default_min_divistions_for_recip_mul): New.
2142 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2143 * passes.c (init_optimization_passes): Run recip after tree loop
2145 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2147 2005-01-11 Danny Berlin <dberlin@dberlin.org>
2148 Kenneth Zadeck <zadeck@naturalbridge.com>
2150 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2151 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2152 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2153 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2154 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2155 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2156 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2157 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2158 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2159 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2160 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2161 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2162 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2163 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2164 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2165 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2166 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2167 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2168 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2169 DF_SCAN_POST_ALLOC): New macros.
2170 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2171 df_free_bb_function, df_local_compute_function, df_init_function,
2172 df_dataflow_function, df_confluence_function_0,
2173 df_confluence_function_n, df_transfer_function,
2174 df_finalizer_function, df_free_function, df_dump_problem_function,
2175 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2176 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2177 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2178 df_urec_bb_info, ) New types.
2179 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2181 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2182 df_analyze_simple_change_some_blocks,
2183 df_analyze_simple_change_one_block, df_compact_blocks,
2184 df_bb_replace, df_bb_regno_last_use_find,
2185 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2186 df_insn_regno_def_p, df_find_def, df_find_use,
2187 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2188 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2189 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2190 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2191 debug_df_chain, df_get_dependent_problem, df_chain_create,
2192 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2193 df_grow_bb_info, df_chain_dump, df_print_bb_index,
2194 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2195 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2196 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2197 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2198 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2199 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2200 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2201 df_ref_remove, df_insn_refs_delete, df_refs_delete,
2202 df_reorganize_refs, df_set_state, df_hard_reg_init,
2203 df_read_modify_subreg_p) New public functions.
2204 * df-core.c: The core dataflow solver and glue routines for rtl
2206 (df_init, df_add_problem, df_set_blocks, df_finish,
2207 df_hybrid_search_forward, df_hybrid_search_backward,
2208 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2209 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2210 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2211 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2212 df_reg_defined, df_find_use, df_reg_used, df_dump,
2213 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2214 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2215 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2216 debug_df_useno, reset_df_after_reload): New functions.
2217 * df-scan.c: The scanning fuctions, once in df.c, completely
2218 rewritten so that they now fully model the functionality of
2219 register usage at the backend.
2220 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2221 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2222 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2223 df_grow_insn_info, df_rescan_blocks, df_ref_create,
2224 df_get_artificial_defs, df_get_artificial_uses,
2225 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2226 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2227 df_refs_delete, df_reorganize_refs, df_set_state,
2228 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2229 df_def_record_1, df_defs_record, df_uses_record,
2230 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2231 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2232 df_record_exit_block_uses, df_hard_reg_init): New functions.
2234 * df-problems.c: Seven concrete dataflow problems that use the
2235 scanning in df-scan.c and are solved by the engine in df-core.c.
2236 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2237 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2238 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2239 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2240 df_ru_free_bb_info, df_ru_alloc,
2241 df_ru_bb_local_compute_process_def,
2242 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2243 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2244 df_ru_transfer_function, df_ru_free, df_ru_dump,
2245 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2246 df_rd_free_bb_info, df_rd_alloc,
2247 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2248 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2249 df_rd_transfer_function, df_rd_free, df_rd_dump,
2250 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2251 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2252 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2253 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2254 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2255 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2256 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2257 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2258 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2259 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2260 df_urec_mark_reg_change, df_urec_check_earlyclobber,
2261 df_urec_mark_reg_use_for_earlyclobber,
2262 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2263 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2264 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2265 df_urec_dump, df_urec_add_problem, df_chain_alloc,
2266 df_chain_create_bb_process_use, df_chain_create_bb,
2267 df_chain_finalize, df_chain_free, df_chains_dump,
2268 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2269 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2270 df_reg_lifetime): New functions.
2271 * df.c: Deleted file.
2272 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2273 consistent with new df api.
2274 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2275 rest_of_handle_sms): Ditto.
2276 * web.c (unionfind_union, union_defs, entry_register, web_main):
2278 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2279 invariant_expr_equal_p, find_defs, check_dependencies,
2280 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2281 free_inv_motion_data, move_loop_invariants): Ditto.
2282 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2283 Update dependencies.
2284 (odf.c): Added defective entry that was deleted later in day.
2285 * sched-deps.c (sched_analyze_1): Ditto.
2287 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
2289 * tree-ssa-operands.c (get_expr_operands): Record addressable
2290 variables directly. Do not call add_stmt_operands for CONST_DECLs
2292 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2293 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2295 2006-01-11 Ben Elliston <bje@au.ibm.com>
2297 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2298 function returns true in the positive case.
2300 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2303 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2304 for SI, DI, SF and DF modes. Add alternatives to copy between
2305 general and floating point registers to the 32-bit patterns.
2306 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2307 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2308 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2309 generating 64-bit code.
2310 * config/pa/pa.c (output_move_double): Handle copies between general
2311 and floating registers.
2313 2006-01-10 Stuart Hastings <stuart@apple.com>
2315 * config/i386/i386.md (set_got): Update.
2316 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
2317 (builtin_setjmp_receiver): Mach-O support.
2318 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2319 (GOT_SYMBOL_NAME): Define.
2320 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2321 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2322 * config/i386/i386.c (override_options): Revise for Darwin.
2323 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
2324 support. (darwin_x86_file_end): New. (output_set_got): Add label
2325 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
2326 * config/i386/i386-protos.h (output_set_got): Likewise.
2327 * config/darwin.c (machopic_legitimize_pic_address): Update
2330 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
2332 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2333 when MODE isn't BLKmode.
2335 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2337 PR rtl-optimization/25367
2338 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2340 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
2343 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2344 for a negative bound.
2346 2006-01-10 Richard Guenther <rguenther@suse.de>
2348 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2349 Never override with anything constraint.
2351 2006-01-10 Jan Beulich <jbeulich@novell.com>
2353 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2354 256 bits when optimize_size.
2356 2006-01-10 Jan Beulich <jbeulich@novell.com>
2358 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2360 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2361 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2364 2006-01-10 Ben Elliston <bje@au.ibm.com>
2366 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2368 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2369 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2370 (USE_FP_FOR_ARG): Reject decimal float modes.
2371 (function_arg_advance): Likewise.
2372 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2373 (rs6000_handle_altivec_attribute): Do not permit decimal floating
2374 point types in AltiVec vectors.
2375 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2376 (rs6000_libcall_value): Likewise.
2378 2006-01-09 Bob Wilson <bob.wilson@acm.org>
2380 * config/xtensa/ieee754-df.S: New file.
2381 * config/xtensa/ieee754-sf.S: New file.
2382 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2383 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2384 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2386 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
2388 * config/sh/predicates.md (binary_float_operator,
2389 binary_logical_operator, commutative_float_operator,
2390 equality_comparison_operator, greater_comparison_operator,
2391 less_comparison_operator, logical_operator,
2392 noncommutative_float_operator, shift_operator,
2393 symbol_ref_operand, unary_float_operator): Remove redundant
2396 2006-01-09 Jeff Law <law@redhat.com>
2398 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2399 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
2400 now unused arguments. Callers updated.
2401 (eliminate_redundant_computations): Remove now unused arguments,
2403 (local_fold): Remove, no longer used.
2404 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2406 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2407 (simplify_cond): New function.
2408 (forward_propagate_into_cond): Call simplify_cond.
2410 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
2412 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2413 (*vec_extractv2di_1_sse): New.
2415 2006-01-09 Ben Elliston <bje@au.ibm.com>
2417 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2419 2006-01-08 Richard Guenther <rguenther@suse.de>
2421 * tree-ssa-structalias.c (get_constraint_for): Remove
2423 (get_constraint_for_component_ref): Likewise.
2424 (do_deref): Likewise.
2425 (get_constraint_for): Likewise.
2426 (do_structure_copy): Likewise.
2427 (handle_ptr_arith): Likewise.
2428 (find_func_aliases): Likewise. Remove unused need_anyoffset
2431 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
2432 Kaz Kojima <kkojima@gcc.gnu.org>
2434 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2435 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2436 (EXTRA_CONSTRAINT_C16): Remove.
2437 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2438 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2439 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2440 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2441 constants of SHmedia. Handle nested constant expressions of
2443 (andcosts): Fix the costs for SHmedia constants.
2444 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2445 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2446 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2447 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2448 (movv4hi_i, movv2si_i): Likewise.
2449 (movsi_const): Adjust the second operand of ior so to match with
2451 (movdi_const, movdi_const_32bit): Likewise.
2452 (movdi_const_16bit+1): Don't sign-extend LOW.
2453 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
2455 (*double_shori): Fix the split condition. Use GEN_INT instead
2456 of get_int_mode calls. Mask lower 16-bit of the argument of
2458 (sym2GOTPLT): Remove.
2459 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2461 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2462 instead of EXTRA_CONSTRAINT_C16.
2464 2006-01-07 Ian Lance Taylor <ian@airs.com>
2465 David Edelsohn <edelsohn@gnu.org>
2467 PR rtl-optimization/25662
2468 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2469 for constant operands instead of simplify_gen_binary.
2470 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2471 after trying simplify_binary_operation
2473 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
2475 * tree.c (iterative_hash_expr): Hash decls based on UID.
2477 2006-01-06 Eric Christopher <echristo@apple.com>
2479 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2480 (TARGET_UNWIND_EMIT): Fix spelling.
2481 * target.h (gcc_target): Add except_table_label.
2482 * except.c (output_function_exception_table): Use.
2483 * varasm.c (default_emit_except_table_label): New.
2484 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2486 (asm_out): Add here.
2487 * output.h (default_emit_except_table_label): Prototype.
2488 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2489 * config/darwin.c (darwin_emit_except_table_label): Define.
2490 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2492 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
2494 PR tree-optimization/18527
2495 * tree-ssa-loop-niter.c (number_of_iterations_cond,
2496 number_of_iterations_special, number_of_iterations_exit):
2497 Move base and step of an iv to a single structure. Add
2498 no_overflow flag, and use it in # of iterations analysis.
2499 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2500 folded_casts argument.
2501 (simple_iv): Pass base and step in a structure. Set no_overflow
2503 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2504 Evaluate expensiveness of computing # of iterations instead of
2505 the final expression.
2506 * tree-scalar-evolution.h (affine_iv): New structure.
2507 (simple_iv): Declaration changed.
2508 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2509 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2510 find_givs_in_stmt): Changed due to simple_iv change.
2512 2006-01-06 Jeff Law <law@redhat.com>
2515 * tree-cfg.c (bsi_replace): Rename final argument from
2516 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
2517 change (stmt -> orig_stmt).
2518 * tree-eh.c (verify_eh_throw_stmt_node): New function.
2519 (bsi_remove): Add new argument. Remove EH information
2521 (verify_eh_throw_table_statements): New function.
2522 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
2524 * tree-optimize.c (execute_free_cfg_annotations): Verify
2525 the EH throw statement table after removing annotations.
2526 * except.h (verify_eh_throw_table_statements): Prototype.
2527 * tree-flow.h (bsi_remove): Update prototype.
2528 * tree-vrp.c (remove_range_assertions): Add new argument to
2530 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2531 * tree-complex.c (expand_complex_div_wide): Likewise.
2532 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2533 * tree-tailcall.c (eliminate_tailcall): Likewise.
2534 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2535 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2536 * tree-nrv.c (tree_nrv): Likewise.
2537 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
2538 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
2539 (combine_blocks): Likewise.
2540 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
2541 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
2542 (cleanup_control_flow): Likewise.
2543 (remove_forwarder_block): Likewise.
2544 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2545 * tree-sra.c (sra_replace): Likewise.
2546 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
2547 (forward_propagate_single_use_vars): Likewise.
2548 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2549 * tree-inline.c (expand_call_inline): Likewise.
2550 * tree-vect-transform.c (vect_transform_loop): Likewise.
2551 * tree-outof-ssa.c (rewrite_trees): Likewise.
2552 * tree-cfg.c (make_goto_expr_edges): Likewise.
2553 (cleanup_dead_labels): Likewise.
2554 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
2555 (bsi_move_before, bsi_move_after): Likewise.
2556 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
2557 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
2559 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
2562 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
2564 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
2565 on non gimple variables. Also add checks at the top for decls and
2567 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
2569 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
2570 and IMAGPART_EXPR for creating MUST_DEFs.
2571 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
2572 and NAME_MEMORY_TAG separately from the DECLs.
2574 2006-01-06 Richard Guenther <rguenther@suse.de>
2576 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
2577 annotation, if necessary.
2578 * tree-ssa-pre.c (create_expression_by_pieces): Remove
2579 redundant calls to update_stmt.
2580 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
2583 2006-01-05 Richard Henderson <rth@redhat.com>
2585 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
2587 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2589 * c-typeck.c: Update copyright date.
2591 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2593 * c-typeck.c (build_c_cast): Always warn when casting
2594 from a pointer to an integer of different size, even if
2595 the node was constant.
2597 2006-01-05 Richard Guenther <rguenther@suse.de>
2599 PR tree-optimization/22555
2600 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
2601 if one structure field is an array.
2602 * tree-ssa-operands.c (get_expr_operands): Continue scanning
2603 operands even if we found a subvar, but ignore VOPs in this
2605 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
2607 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
2609 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
2612 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
2614 2006-01-05 Richard Guenther <rguenther@suse.de>
2615 Diego Novillo <dnovillo@redhat.com>
2617 * tree-pass.h (TODO_remove_unused_locals): Define.
2618 * gimple-low.c (expand_var_p, remove_useless_vars,
2619 pass_remove_useless_vars): Remove. Update all users.
2620 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
2621 (remove_unused_locals): New function.
2622 * tree-flow.h (remove_unused_locals): Declare.
2623 * passes.c (execute_todo): Call remove_unused_locals if
2624 TODO_remove_unused_locals is set.
2625 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
2626 * tree-ssa-dce.c (pass_dce): Likewise.
2627 * tree-outof-ssa.c (pass_del_ssa): Likewise.
2629 2006-01-05 Richard Guenther <rguenther@suse.de>
2631 * tree-flow.h (struct fieldoff): Decompose field to
2632 type, size and decl.
2633 * tree-ssa-alias.c (create_sft): Take type as parameter.
2634 (create_overlap_variables_for): Store type, size and decl
2635 in the fieldoff structure.
2636 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
2638 (push_fields_onto_fieldstack): Likewise.
2639 (create_variable_info_for): Likewise. Use offset for the
2640 SFT name if the decl is not available.
2642 2006-01-04 Paul Brook <paul@codesourcery.com>
2644 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
2646 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
2648 * lambda-code.c (can_put_in_inner_loop): Relax
2650 (can_put_after_inner_loop): New function.
2651 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
2652 (perfect_nestify): Change to make copies and modify uses.
2654 2006-01-04 Richard Henderson <rth@redhat.com>
2656 Merge from gomp branch:
2657 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
2658 via integer constant.
2659 (pragma_lex): Remove.
2660 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
2661 rather than parsing it.
2662 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
2663 handle_pragma_extern_prefix): Add %< %> quotes.
2664 (registered_pragmas): New.
2665 (c_register_pragma_1): New.
2666 (c_register_pragma): Use it.
2667 (c_register_pragma_with_expansion): Likewise.
2668 (c_invoke_pragma_handler): New.
2669 (init_pragma): Use cpp_register_deferred_pragma directly for
2671 * c-pragma.h (enum pragma_kind): New.
2672 (pragma_handler): New.
2673 (c_invoke_pragma_handler): Declare.
2674 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
2676 * c-common.h (c_common_pch_pragma): Update decl.
2677 * Makefile.in (c-parser.o): Update dependencies.
2678 (GTFILES): Add c-pragma.h.
2679 * c-parser.c (struct c_token): Add pragma_kind.
2680 (struct c_parser): Add in_pragma.
2681 (c_lex_one_token): Always initialize keyword and pragma_kind.
2682 Extract data for CPP_PRAGMA.
2683 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
2684 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
2685 Don't allow CPP_PRAGMA_EOL if in_pragma.
2686 (c_parser_consume_pragma): New.
2687 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
2688 (c_parser_skip_to_end_of_parameter): Likewise.
2689 (c_parser_skip_to_end_of_block_or_statement): Likewise.
2690 (c_parser_skip_to_pragma_eol): New.
2691 (c_parser_external_declaration): Handle CPP_PRAGMA.
2692 (c_parser_compound_statement_nostart): Likewise.
2693 (c_parser_statement_after_labels): Likewise.
2694 (c_parser_pragma): New.
2695 (pragma_lex): Likewise.
2696 (c_parser_pragma_pch_preprocess): New.
2697 (c_parser_new): Merge into ...
2698 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
2700 2006-01-04 Jeff Law <law@redhat.com>
2703 * tree-cfg.c (bsi_replace): Remove the original statement
2704 from the EH throw statement table.
2706 2006-01-04 Jakub Jelinek <jakub@redhat.com>
2708 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
2709 make the prototype extern "C" and add throw ().
2712 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
2713 and pos non-negative and pos + len <= 32.
2714 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
2715 drop pos + len < HOST_BITS_PER_WIDE_INT test.
2716 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
2719 * c-common.c (handle_vector_size_attribute): Reject zero vector size
2720 as well as sizes not multiple of component size.
2723 * function.c (instantiate_expr): New function.
2724 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
2725 walk its DECL_VALUE_EXPR with instantiate_expr.
2727 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
2728 DW_OP_deref{,_size} if address isn't going to be added.
2730 2006-01-04 Ben Elliston <bje@au.ibm.com>
2732 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
2733 * config/fp-bit.c: Likewise.
2735 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
2737 * dominance.c: Add comment about why we use DFS numbering
2740 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2741 Richard Henderson <rth@redhat.com>
2743 Merge from gomp-branch:
2744 * varasm.c (assemble_variable): Handle thread-local COMMON data.
2745 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
2747 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
2749 PR rtl-optimization/25578
2750 * combine.c (combine_simplify_rtx, force_to_mode): Don't
2751 pass a parameter to simplify_shift_const if changing ASHIFTRT
2754 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
2756 * builtins.c (get_builtin_sync_mem): New function.
2757 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
2758 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
2759 Call get_builtin_sync_mem to generate mem rtx.
2761 2006-01-03 Richard Guenther <rguenther@suse.de>
2764 * stmt.c (add_case_node): Make sure to clear overflow flags
2767 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2769 Merge from gomp-branch.
2770 * config/sparc/sync.md: New file.
2771 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
2772 UNSPECV_LDSTUB): New constants.
2773 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
2774 * config/sparc/predicates.md (memory_reg_operand): New predicate.
2775 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
2778 2006-01-03 Roger Sayle <roger@eyesopen.com>
2780 * combine.c (reg_subword_p): New predicate to test whether the
2781 destination of a set refers to a subword/piece of a register.
2782 (try_combine): Generalize the code to merge the setting of a
2783 pseudo to a constant followed by a set of a subword of that
2784 register to a constant.
2786 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
2788 * basic-block.h (control_flow_graph): Change the type of
2789 x_label_to_block_map to VEC(basic_block,gc) *.
2790 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
2791 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
2793 * tree-ssa-propagate.c (cfg_blocks): Change the type to
2794 VEC(basic_block,heap) *.
2795 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
2796 ssa_prop_fini): Adjust the uses of cfg_blocks.
2798 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
2800 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
2802 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
2803 hashing trees instead of a pointer hash.
2804 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
2805 compare for MEM_EXPR.
2807 PR rtl-optimization/25130
2808 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
2809 when comparing MEMs for GCSE
2811 2006-01-03 Ben Elliston <bje@au.ibm.com>
2813 * targhooks.h (default_decimal_float_supported_p): Declare.
2814 * targhooks.c (default_decimal_float_supported_p): Define.
2815 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
2816 `default_decimal_float_supported_p'.
2817 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
2819 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
2821 * combine.c (apply_distributive_law <SUBREG>): Check
2822 TRULY_NOOP_TRUNCATION.
2824 2006-01-02 Geoffrey Keating <geoffk@apple.com>
2826 * dwarf2out.c (have_switched_text_section): Delete.
2827 (have_multiple_function_sections): New.
2828 (have_location_lists): Make 'bool'.
2829 (add_AT_loc_list): Use 'true' not '1'.
2830 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
2831 (output_loc_list): Use have_multiple_function_sections.
2832 (output_ranges): Likewise.
2833 (dwarf2out_begin_function): Set have_multiple_function_sections if
2835 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
2836 Check function_section rather than DECL_SECTION_NAME.
2837 (dwarf2out_finish): Use have_multiple_function_sections.
2838 Don't clear have_location_lists.
2840 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
2841 Jan Hubicka <jh@suse.cz>
2843 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
2844 case of conditional jump jumping to the next instruction.
2845 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
2846 cases of conditional jump jumping to the next instruction.
2848 2006-01-02 Jan Hubicka <jh@suse.cz>
2850 * i386.c (*_cost): Add COSTS_N_INSNS.
2851 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
2853 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
2856 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
2858 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2860 * config/arm/arm.c (all_fpus): Fix comment typo.
2861 * config/darwin.c: Likewise.
2862 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
2863 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
2864 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
2866 2006-01-01 David Edelsohn <edelsohn@gnu.org>
2868 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
2869 (rs6000_split_compare_and_swapqhi): New.
2870 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
2871 (sync_compare_and_swapqhi_internal): New.
2872 * config/rs6000/rs6000-protos.h: Declare.
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