1 2006-01-22 David Edelsohn <edelsohn@gnu.org>
3 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
5 2006-01-22 Paul Brook <paul@codesourcery.com>
6 Peter Barada <peter@the-baradas.com>
8 * config/m68k/m68k.md: Add Coldfire FPU support.
9 Define FP mode macro and associated attributes.
10 Use it for float mode patterns.
11 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12 (LIBCALL_VALUE): Use m68k_libcall_value.
13 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14 (m68k_function_value): Ditto.
15 (emit_move_sequence): Ditto.
16 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
18 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
19 (MULTILIB_EXCEPTIONS): Ditto.
20 * config/m68k/m68k.opt: Add mcfv4e.
21 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
22 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
23 (m68k_output_function_prologue): Save ColdFire FPU registers.
24 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
25 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
26 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
27 ColdFire FPU registers.
28 (m68k_libcall_value, m68k_function_value): New functions.
29 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
30 (LIBCALL_VALUE): Use m68k_libcall_value.
31 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
32 (MASK_COLDFIRE): Add MASK_CFV4E.
33 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
34 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
35 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
36 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
37 (GO_IF_LEGITIMATE_ADDRESS): Use it.
38 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
39 * doc/invoke.tex: Document -mcfv4e on m68k.
41 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
43 * doc/contribute.texi: Change CVS to SVN and update the corresponding
46 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
49 * c-opts.c (c_common_handle_option): Don't include
50 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
51 * doc/invoke.texi (C++ Dialect Options): Document that
52 -Wnon-virtual-dtor is no longer included in -Wall.
54 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
56 * gcov.c (print_version), gcov-dump.c (print_version),
57 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
60 2005-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
62 * df-scan.c (problem_SCAN): Added NULL reset function.
63 (df_scan_reset_blocks): Added code to call reset block function
64 (df_bb_refs_delete) Fixed comment.
65 (df_insn_refs_delete): Made tolerant of deleting non existent info
66 for dataflow problems that need to be reset.
67 * df-core.c (df_set_blocks): Ditto.
68 * df.h (struct df_problem): Added reset_fun.
69 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
70 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
71 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
72 functions to clear out all references to def-use or use-def chains.
74 2006-01-21 Ben Elliston <bje@au.ibm.com>
76 * varasm.c (assemble_real): Initialise data array.
78 2006-01-20 Paul Brook <paul@codesourcery.com>
80 Merge from csl-arm-branch.
81 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
82 * config/arm/arm.md (movdi): Force operands[1] to a register
83 if we have a non-register source.
84 (*arm_movdi, *movdf_soft_insn): Require that one of the
85 operands be a register.
86 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
87 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
89 2006-01-20 DJ Delorie <dj@redhat.com>
91 * varasm.c (initialize_constant_valid_p): Allow pointers
92 initialized from integer constants of lesser precision.
93 (output_constant): Allow non-int-sized pointer modes to be
94 initialized from integer constants.
96 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
99 * cppdefault.h (struct default_include): Add multilib flag.
100 * cppdefault.c (cpp_include_defaults): Set it.
101 * c.opt (-imultilib): New option.
102 * c-opts.c (imultilib): New.
103 (c_common_handle_option): Handle -imultilib.
104 (c_common_post_options): Likewise.
105 * c-incpath.c (add_standard_paths, register_include_chains):
107 * c-incpath.h (register_include_chains): Add extra parameter.
108 * gcc.c (do_spec_1): Generate -imultilib option.
109 (The Specs Language): Update %I description.
110 (process_command): Update copyright notice.
111 * doc/cppopts.texi (-imultilib): Document.
112 * doc/invoke.texi (-imultilib): Include in option summary.
113 (%I): Update specs documentation.
115 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
117 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
119 2006-01-20 Richard Sandiford <richard@codesourcery.com>
121 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
124 2006-01-20 Richard Guenther <rguenther@suse.de>
125 Steven Bosscher <stevenb.gcc@gmail.com>
127 PR rtl-optimization/24626
128 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
129 EDGE_TRUE_VALUE if in RTL mode.
132 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
133 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
135 2006-01-20 Dirk Mueller <dmueller@suse.com>
138 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
139 instead of a special NOP marker.
140 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
142 * c-common.h (empty_body_warning): Add forward declaration.
143 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
144 Now uses IS_EMPTY_STMT() instead of special NOP markers.
146 2005-01-20 Paul Brook <paul@codesourcery.com>
148 * Makefile.in (lang_checks): Keep going if mkdir fails.
150 2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
152 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
153 be able to clean out basic block when not necessary.
154 (df_scan_free): Fixed to properly delete information if df is
155 unused before calling df_finish.
156 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
157 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
159 (df_bb_refs_delete): New function.
160 (df_refs_delete): Moved per block code to df_bb_refs_delete.
161 * df-core.c (df_set_blocks): Added code to properly clean out
162 unused blocks if they are not part of the blocks to consider.
163 Added additional null check.
164 (df_compact_blocks): Added basic block parameter to free_bb_fun to
165 be able to clean out basic block when not necessary
166 * df.h (df_free_bb_function): Ditto.
167 (df_bb_refs_delete): New function.
168 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
169 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
170 basic block parameter to be able to clean out basic block when not
172 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
173 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
174 Fixed to properly delete information if df is unused before
177 2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
179 PR rtl-optimization/25799
180 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
181 Corrected confluence operator to remove bits from op2 before oring
182 with op1 rather than removing bits from op1.
183 (df_ru_transfer_function): Corrected test on wrong bitmap which
184 caused infinite loop. Both of these problems were introduced in
185 the dataflow rewrite.
187 2006-01-19 DJ Delorie <dj@redhat.com>
189 * reload1.c (find_reload_regs): Note the details of reload
190 failures in the dump file.
191 (spill_failure): Likewise.
193 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
195 * loop-iv.c: Include df.h and hashtab.h.
196 (enum iv_grd_result): New enum.
197 (DF_REF_IV, DF_REF_IV_SET): New macros.
198 (struct biv_entry): New.
199 (df, bivs): New global variables.
200 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
201 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
203 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
204 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
205 analyzed_for_bivness_p, record_biv): New functions.
206 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
207 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
208 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
210 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
212 (iv_number_of_iterations): Use new interface to iv analysis.
213 * loop-unroll.c: Do not include varray.h.
214 (analyze_iv_to_split_insn): Use new interface to iv
216 * loop-unswitch.c (may_unswitch_on): Ditto.
217 * df.c (df_bitmaps_free): Only work for bbs for that structures are
219 (df_bb_modify): Realloc tables to the new index.
220 (df_find_use): New function.
221 * df.h (df_find_use): Declare.
222 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
224 * cfgloop.h (struct rtx_iv): Remove analysed field.
225 (iv_get_reaching_def): Removed.
226 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
227 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
228 (loop-iv.o): Add df.h and hashtab.h dependency.
229 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
231 2006-01-20 Alan Modra <amodra@bigpond.net.au>
233 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
235 (__floatundisf, __floatundidf): Likewise.
236 * libgcc2.h (IS_IBM_EXTENDED): Define.
238 2006-01-19 DJ Delorie <dj@redhat.com>
240 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
242 2006-01-19 Paul Brook <paul@codesourcery.com>
244 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
245 as nothrow when unwinding tables are disabled.
247 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
250 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
251 of bit-field" when in system header.
253 2006-01-19 DJ Delorie <dj@redhat.com>
255 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
256 the 16 bit shift limit of the m16c.
258 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
261 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
262 * config/i386/i386.c (output_set_got): Output the label if we have one
263 for the TARGET_DEEP_BRANCH_PREDICTION case.
265 2006-01-19 Jan Hubicka <jh@suse.cz>
266 H.J. Lu <hongjiu.lu@intel.com>
267 Evandro Menezes <evandro.menezes@amd.com>
269 * invoke.texi (generic): Document
271 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
272 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
273 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
274 (x86_use_incdec, x86_pad_returns): New variables
275 (TARGET_CPU_DEFAULT_generic): New constant
276 (TARGET_CPU_DEFAULT_NAMES): Add generic.
277 (enum processor_type): Add generic32 and generic64.
278 * i386.md (cpu attribute): Add generic32/generic64
279 (movhi splitter): Behave sanely when both partial_reg_dependency and
280 partial_reg_stall are set.
281 (K8 splitters): Enable for generic as well.
282 * predicates.md (incdec_operand): Use TARGET_INCDEC
283 (aligned_operand): Avoid memory mismatch stalls.
284 * athlon.md: Enable for generic64, new patterns for 128bit moves.
285 * ppro.md: Enable for generic32
286 * i386.c (generic64_cost, generic32_cost): New.
287 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
288 (x86_use_leave): Enable for generic64. (x86_use_sahf,
289 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
290 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
291 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
292 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
293 x86_partial_reg_dependency, x86_memory_mismatch_stall,
294 x86_accumulate_outgoing_args, x86_prologue_using_move,
295 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
296 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
298 (x86_use_incdec, x86_pad_returns): New.
299 (override_options): Add generic32 and generic64, translate "generic"
300 to generic32/generic64 and "i686" to "generic32", refuse
301 "generic32"/"generic64" as arch target.
302 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
303 (ix86_reorg): Honor PAD_RETURNS.
305 2006-01-19 Diego Novillo <dnovillo@redhat.com>
307 * tree-pretty-print.c (dump_generic_node): Handle
308 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
309 * cgraph.c (cgraph_expand_queue): Rename from
310 cgraph_analyze_queue. Update all users.
311 * cgraphunit.c (cgraph_assemble_pending_functions): Process
313 (cgraph_expand_all_functions): Likewise.
314 (cgraph_finalize_pending_functions): Remove. Update callers.
316 * tree.h (OMP_DIRECTIVE_P): Define.
317 (OMP_PARALLEL_FN): Define.
318 (OMP_PARALLEL_DATA_ARG): Define.
319 (OMP_SECTIONS_SECTIONS): Define.
320 * tree-pass.h (pass_expand_omp): Declare.
321 * omp-low.c (struct omp_region): Declare.
322 (struct omp_context): Remove fields 'parallel_type',
323 'parallel_start_ix' and 'parallel_start_additional_args'.
325 (struct omp_for_data): Rename from struct expand_omp_for_data.
326 (omp_regions): New static variable.
327 (root_omp_region): New static variable.
328 (find_omp_clause): Make static.
329 (is_in_combined_parallel_ctx): Remove.
330 (is_combined_parallel): New.
331 (extract_omp_for_data): Move earlier in the file.
332 (workshare_safe_to_combine_p): New.
333 (get_ws_args_for): New.
334 (determine_parallel_type): Move earlier in the file.
335 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
337 (omp_copy_decl): Likewise.
338 (create_omp_child_function): Likewise.
339 (lookup_omp_region): New.
340 (dump_omp_region): New.
341 (debug_omp_region): New.
342 (debug_all_omp_regions): New.
343 (new_omp_region): New.
344 (scan_omp_parallel): If parallel_nesting_level > 1, the
345 directive is nested within another parallel directive.
347 (scan_omp_for): Do not try to handle combined parallel+for
349 Remove FIXME comment.
350 (scan_omp_nested): Remove.
351 (scan_omp_1): Do not call scan_omp_nested when
352 parallel_nesting_level is > 1.
353 Do not change the DECL_CONTEXT of local variables found.
354 (lookup_decl_in_outer_ctx): New.
355 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
356 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
357 (lower_reduction_clauses): Rename from expand_reduction_clauses.
358 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
359 If CTX is nested, lookup VAR in the outer context when
360 building copy assignment.
361 (lower_send_clauses): Rename from expand_send_clauses.
362 If CTX is nested, lookup VAR in the outer context when
363 building copy assignments.
364 (lower_send_shared_vars): Rename from expand_send_shared_vars.
365 If CTX is nested, lookup VAR in the outer context when
366 building copy assignments.
367 (expand_parallel_call): Rename from build_parallel_call.
368 Handle combined parallel+workshare cases.
369 Re-implement to emit code into the CFG.
371 (expand_omp_parallel): Re-implement to emit code into the CFG.
372 Call move_sese_region_to_fn to outline the sub-graph
373 containing the parallel region.
374 (expand_omp_for_1): Remove.
375 (expand_omp_for_generic): Re-implement to emit code into the
377 (expand_omp_for_static_nochunk): Likewise.
378 (expand_omp_for_static_chunk): Likewise.
379 (expand_omp_for): Likewise.
380 (expand_omp_sections): Likewise.
381 (remove_exit_barriers): New.
382 (expand_omp_synch): New.
384 (build_omp_regions_1): New.
385 (build_omp_regions): New.
386 (execute_expand_omp): New.
387 (gate_expand_omp): New.
388 (pass_expand_omp): Define.
389 (lower_omp_sections): Rename from expand_omp_sections.
390 Set OMP_SECTIONS_SECTIONS.
391 (lower_omp_single_simple): Rename from expand_omp_single_simple.
392 (lower_omp_single_copy): Rename from expand_omp_single_copy.
393 (lower_omp_single): Rename from expand_omp_simple.
394 (lower_omp_master): Rename from expand_omp_master.
395 (lower_omp_ordered): Rename from expand_omp_ordered.
396 (lower_omp_critical): Rename from expand_omp_critical.
397 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
398 (lower_omp_for): Re-implement.
399 (lower_omp_parallel): Re-implement.
400 (lower_regimplify): Rename from expand_regimplify.
401 (lower_omp_1): Rename from expand_omp_1.
402 If there are syntax errors in the program, replace every
403 OpenMP directive with NOP.
404 Call lower_omp_* instead of expand_omp_*.
405 (lower_omp): Rename from expand_omp.
407 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
408 * tree-gimple.h (enum omp_parallel_type): Remove.
409 (gimple_boolify): Declare extern.
410 (find_omp_clause, determine_parallel_type): Remove.
412 * gimple-low.c (lower_omp_directive): New.
413 (lower_stmt): Call it.
414 (record_vars_into): Move from ...
415 (record_vars): ... here.
416 Call record_vars_into with current_function_decl.
418 * gimplify.c (struct gimplify_ctx): Remove fields
419 combined_pre_p and combined_ctxp. Update users.
420 (get_formal_tmp_var): Add documentation.
421 (gimple_boolify): Make extern.
422 (gimplify_expr_in_ctx): Remove. Update callers.
423 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
424 will always be a BIND_EXPR.
425 (gimplify_expr): Handle OMP_RETURN_EXPR.
426 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
427 (OMP_PARALLEL): Add 3 operands.
428 (OMP_SECTIONS): Add 1 operand.
429 (OMP_RETURN_EXPR): Define.
431 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
432 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
433 * tree-iterator.c (alloc_stmt_list): Assert that we are not
434 creating a circular free list.
435 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
437 * tree-flow.h (move_sese_region_to_fn): Declare.
438 (record_vars_into): Declare.
439 * tree-cfg.c (make_omp_sections_edges): New.
440 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
441 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
442 OMP_SECTIONS and OMP_SECTION.
443 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
444 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
445 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
446 (gather_blocks_in_sese_region): New.
447 (struct move_stmt_d): Declare.
449 (move_block_to_fn): New.
450 (move_sese_region_to_fn): New.
452 * passes.c (init_optimization_passes): Schedule
453 pass_expand_omp after pass_init_datastructures.
455 * tree-ssa-operands.c (get_expr_operands): Handle
456 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
457 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
459 2006-01-19 Jeff Law <law@redhat.com>
461 * tree-vrp.c (extract_range_from_assert): Refine the result range
462 if the variable referenced by the ASSERT_EXPR has a range and
463 either the tentative result range or the previous range is a
466 2006-01-19 Richard Sandiford <richard@codesourcery.com>
468 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
470 2006-01-19 Jan Hubicka <jh@suse.cz>
472 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
474 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
476 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
477 (expand_compound_operation, expand_field_assignment): Fail if the
478 bit lengths of an extract operation are out of range.
479 (make_extraction): Compute wanted_inner_mode based on the position
480 and length of the extraction. Make it extraction_mode for non-constant
481 positions, and do not modify offset in that case. When generating a
482 new MEM, use a mode that can hold the extraction while keeping correct
483 alignment. Remove code that supported MEMs wrapped by USEs.
484 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
486 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
488 * config/s390/s390.md ("Y", "y"): New mode attribute.
489 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
490 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
491 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
492 "*addsi3_imm_cc", "*addsi3_carry1_cc",
493 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
494 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
495 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
496 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
497 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
498 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
499 "addsi3", "subsi3"): Insn patterns removed.
500 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
501 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
502 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
503 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
504 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
505 "*sub<mode>3_cconly2"): New insn patterns.
506 ("addsi3", "subsi3"): New expanders.
508 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
510 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
511 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
512 existing STMT_VINFO_VECTYPE if available.
513 (vect_mark_relevant): Add special handling for stmts that are
514 marked as STMT_VINFO_IN_PATTERN_P.
515 (vect_analyze_loop): Call vect_pattern_recog.
516 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
517 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
519 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
520 (vect_recog_func_ptr): New function-pointer type.
521 * tree-vect-patterns.c: New file.
522 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
523 (vect_recog_dot_prod_pattern, vect_pattern_recog):
524 (vect_pattern_recog_1): New functions.
525 (vect_pattern_recog_funcs): New array of function pointers.
527 * tree-vectorizer.h (ternary_op): New enum value.
528 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
529 declaration. Revised documentation. Removed redundant dump prints.
530 Removed redundant argument. Added support for reduction patterns.
531 (vectorizable_reduction): Added support for reduction patterns.
532 (vect_transform_stmt): Added support for patterns.
534 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
535 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
536 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
537 (expand_widen_pattern_expr): New function.
538 (init_optabs): Initialize new optabs udot_prod_optab,
540 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
541 (sdot_prod_optab, udot_prod_optab): Define new optabs.
542 (expand_widen_pattern_expr): New function declaration.
543 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
545 * tree-inline.c (estimate_num_insns_1): Added cases for new
546 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
547 * tree-pretty-print.c (dump_generic_node): Likewise.
549 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
550 * tree-ssa-operands.c (get_expr_operands): Added case for
552 * tree-vect-patterns.c (widened_name_p): New function.
553 (vect_recog_dot_prod_pattern): Added function implementation.
554 * tree-vect-transform.c (get_initial_def_for_reduction): Added
555 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
556 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
557 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
559 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
560 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
561 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
562 (init_optabs): Initialize new optabs widen_ssum_optab,
564 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
565 (widen_ssum_optab, widen_usum_optab): Define new optabs.
566 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
567 use instead of type of def.
568 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
569 function implementation.
570 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
571 widen_ssumv8hi): New.
573 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
576 2006-01-19 Richard Sandiford <richard@codesourcery.com>
579 * c-decl.c (add_flexible_array_elts_to_size): New function.
580 (finish_decl): Use it.
582 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
584 * diagnostic.h: Include options.h.
585 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
586 dependancies for diagnostic.h.
587 * Makefile.in (DIAGNOSTIC_H): Add options.h.
589 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
591 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
592 (ssa_ro_call_cache_valid): Ditto.
593 * tree-ssa-alias.c (sort_tags_by_id): New function.
594 (init_transitive_clobber_worklist): Ditto.
595 (add_to_worklist): Ditto.
596 (mark_aliases_call_clobbered): Ditto.
597 (compute_tag_properties): Ditto.
598 (set_initial_properties): Ditto.
599 (compute_call_clobbered): Ditto.
600 (compute_may_aliases): Call compute_call_clobbered and grouping.
601 (compute_flow_sensitive_aliasing): Remove clobbering related code.
602 (compute_flow_insensitive_aliasing): Grouping now happens in our
604 (setup_pointers_and_addressables): Remove clobbering related code.
605 (add_may_alias): Ditto.
606 (replace_may_alias): Ditto.
607 (get_nmt_for): Ditto.
609 (is_escape_site): Return an escape_type enumeration.
610 * tree-flow-inline.h (is_call_clobbered): Global var does not
611 imply call clobbered.
612 (mark_call_clobbered): Take a reason for marking this. Remove
613 marking of globalness, and cache invalidation.
614 (clear_call_clobbered): Remove cache invalidation code.
615 * tree-dfa.c (dump_variable): If details is on, dump the reason
617 * tree-outof-ssa.c (create_temp): Copy escape mask from original
619 * tree-flow.h (struct ptr_info_def): Add escape mask member.
620 (struct var_ann_d): Ditto.
621 (enum escape_type): New.
622 (mark_call_clobbered): Adjust prototype.
623 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
624 are never call clobbered.
625 Record reasons for escaping.
626 * tree-ssa-structalias.h (is_escape_site): Update prototype.
627 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
628 (ssa_ro_call_cache_valid): Ditto.
629 (clobbered_v_may_defs): Ditto.
630 (clobbered_vuses): Ditto.
631 (ro_call_vuses): Ditto.
632 (clobber_stats): New.
633 (init_ssa_operands): Zero out clobber stats.
634 (fini_ssa_operands): Print out clobber stats.
635 (get_call_expr_operands): Pass callee fndecl to
637 (add_call_clobber_ops): Remove use of cache.
638 Add use of PURE_CONST information.
639 (add_call_read_ops): Remove use of cache.
640 Add use of static not_read information.
642 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
644 Introduce TLS descriptors for i386 and x86_64.
645 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
646 (TARGET_ANY_GNU_TLS): New macro.
647 (enum tls_dialect): Added TLS_DIALECT_GNU2.
648 (struct machine_function): Add tls_descriptor_call_expanded_p.
649 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
650 (ix86_current_function_calls_tls_descriptor): Likewise.
651 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
652 (override_options): Introduce gnu2 tls dialect.
653 (ix86_frame_pointer_required): Functions containing TLSCALLs are
655 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
657 (legitimize_tls_address): Adjust logic for GNU2 TLS.
658 (ix86_init_machine_status): Initialize new field.
659 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
660 (ix86_tls_module_base): New.
661 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
662 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
663 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
664 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
665 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
666 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
667 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
668 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
669 * config/i386/predicates.md (tls_modbase_operand): New.
670 (tp_or_register_operand): New.
672 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
674 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
675 (look_for_address_of): Ditto.
676 (ipa_init): Walk the function decls.
677 (static_execute): Don't set readonly on FUNCTION_DECL's.
679 2006-01-18 Roger Sayle <roger@eyesopen.com>
681 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
682 for shifts where the source and destination registers are different.
684 2006-01-18 Paul Brook <paul@codesourcery.com>
686 Merge from csl-arm-branch.
687 2005-03-14 Julian Brown <julian@codesourcery.com>
688 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
689 (aeabi_llsl): Likewise.
691 (aeabi_lasr): Likewise.
693 (aeabi_llsr): Likewise.
694 2005-03-10 Julian Brown <julian@codesourcery.com>
695 * config.gcc: Disable shared libgcc for SymbianOS.
696 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
698 2006-01-18 DJ Delorie <dj@redhat.com>
700 * c-pragma.c (handle_pragma_diagnostic): New.
701 (init_pragma): Register it.
702 * doc/extend.texi: Document it.
704 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
705 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
706 (diagnostic_context): Add classify_diagnostic[].
707 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
708 as errors if they're overridden to DK_WARNING.
709 (diagnostic_initialize): Initialize classify_diagnostic[].
710 (diagnostic_set_kind_override): New.
711 (diagnostic_report_diagnostic): Check for kind changes.
712 * opts.c (common_handle_option): Take lang_mask. Update callers.
714 * common.opt (Werror=): New.
715 * doc/invoke.texi: Document -Werror=*
717 2006-01-18 Jeff Law <law@redhat.com>
719 * tree-vrp.c (test_for_singularity): Correct test for new
720 min limit. Use operand_equal_p rather than pointer equality
721 for testing if new min/max values are equal.
723 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
724 using range information until after propagation and folding.
726 2006-01-18 Richard Henderson <rth@redhat.com>
727 Aldy Hernandez <aldyh@redhat.com>
728 Jakub Jelinek <jakub@redhat.com>
729 Diego Novillo <dnovillo@redhat.com>
731 * omp-low.c: New file.
734 2006-01-18 Richard Henderson <rth@redhat.com>
735 Jakub Jelinek <jakub@redhat.com>
736 Diego Novillo <dnovillo@redhat.com>
738 * doc/invoke.texi: Document -fopenmp.
739 * tree-dump.h (debug_function): Declare.
740 * hooks.c (hook_bool_tree_bool_false): New function.
741 (hook_tree_tree_null): Remove.
742 (hook_tree_tree_tree_null): New.
743 * hooks.h: Update to match.
744 * tree-pretty-print.c (debug_tree_chain): New.
745 (print_generic_expr): Handle TDF_CHAIN.
746 (dump_generic_node): Handle BLOCK.
747 Do not abort with incomplete SWITCH_EXPRs.
748 Do not dump body of an OpenMP directive if TDF_SLIM is given.
749 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
750 print space after directive name.
751 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
752 Handle OMP_MASTER and OMP_ORDERED.
753 Handle printing of OMP_BODY just in one place, goto
754 dump_omp_body in the rest of OMP_* nodes that have
756 Don't handle clause nodes here. Update omp statements to
757 use dump_omp_clauses.
758 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
759 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
760 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
761 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
762 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
763 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
764 Adjust output for GOMP_PARALLEL.
765 (dump_omp_clauses): New.
766 (print_declaration): Dump DECL_VALUE_EXPR.
767 (op_symbol_1): Split out of op_symbol.
768 (dumping_stmts): Remove. Update all users.
769 * cgraph.c (cgraph_analyze_queue): New.
770 (cgraph_add_new_function): New.
771 * cgraph.h (cgraph_analyze_queue): Declare.
772 (cgraph_add_new_function): Declare.
773 (cgraph_lower_function): Remove.
774 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
775 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
776 and TYPE_P nodes in its default clause.
778 (tree_range_check_failed): New.
780 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
781 OMP_CLAUSE_REDUCTION_MERGE,
782 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
783 OMP_CLAUSE_PRIVATE_DEBUG,
784 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
785 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
786 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
787 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
788 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
789 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
790 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
791 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
792 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
793 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
794 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
795 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
796 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
797 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
798 (TREE_RANGE_CHECK): New.
799 (empty_body_p): Declare.
800 (enum omp_clause_default_kind): New.
801 (build_string_literal): Declare.
802 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
803 (build5_stat, build5): Declare.
804 * tree-pass.h (TDF_CHAIN): Define.
805 * tree-pass.h (PROP_gimple_lomp): Define.
806 (pass_lower_omp): Declare.
807 * diagnostic.h (debug_tree_chain): Declare.
808 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
810 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
811 * builtins.c (build_string_literal): Make extern.
812 * gcc.c (include_spec_function): New.
813 (static_spec_functions): Add it.
814 (main): Move load of libgomp.spec ...
815 (LINK_COMMAND_SPEC): ... here.
816 (link_gomp_spec): New.
817 (static_specs): Include it.
818 (LINK_COMMAND_SPEC): Add link_gomp.
819 (GOMP_SELF_SPECS): New.
820 (driver_self_specs): Include it.
821 (switch_matches): Don't mark inline.
822 (main): Load libgomp.spec.
823 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
824 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
825 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
826 * tree-gimple.h (enum omp_parallel): Declare.
827 (determine_parallel_type): Declare.
828 (omp_firstprivatize_variable): Declare.
829 (omp_reduction_init): Declare.
830 (diagnose_omp_structured_block_errors): Declare.
831 (struct walk_stmt_info): Add want_return_expr.
832 (struct walk_stmt_info): Add want_bind_expr, want_locations.
833 (find_omp_clause): Declare.
834 (insert_field_into_struct): Declare.
835 (struct walk_stmt_info): Move from tree-nested.c
836 (walk_stmts): Declare.
837 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
839 * cgraphunit.c (cgraph_lower_function): Make static.
840 (cgraph_finalize_pending_functions): New.
841 (cgraph_finalize_function): Call it.
842 (cgraph_finalize_compilation_unit): Likewise.
843 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
844 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
845 (BT_FN_UINT_UINT): New.
846 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
847 DEF_FUNCTION_TYPE_VAR_4): Document.
848 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
849 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
850 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
851 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
852 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
853 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
854 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
855 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
856 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
857 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
859 (DEF_GOMP_BUILTIN): New.
860 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
861 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
862 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
863 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
864 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
865 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
866 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
867 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
868 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
869 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
870 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
871 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
872 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
873 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
874 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
875 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
876 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
877 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
878 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
879 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
880 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
881 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
882 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
883 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
884 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
885 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
886 * sync-builtins.def: New file, moved from builtins.def.
887 * omp-builtins.def: New file, moved from builtins.def.
888 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
889 * gimple-low.c (lower_function_body): Clear data.
890 (lower_stmt): Do not handle COMPOUND_EXPR.
891 Remove call to print_node_brief.
892 * c-tree.h (c_finish_omp_clauses): New prototype.
893 (C_DECL_THREADPRIVATE_P): Define.
894 (lookup_name_no_remap, c_omp_remap_private): Remove
895 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
896 (check_for_loop_decls): Update decl.
897 (lookup_name_no_remap, c_omp_remap_private): Declare.
898 (build_indirect_ref, build_modify_expr, pushdecl,
899 pushdecl_top_level): Move to c-common.h.
900 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
901 before the switch, but just in the 2 places that need it.
902 * c-decl.c (diagnose_mismatched_decls): Do not check for
903 mismatched thread-local attributes when OLDDECL is marked
904 threadprivate and NEWDECL has no thread-local attributes.
905 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
906 (c_gimple_diagnostics_recursively): Rename from
907 c_warn_unused_result_recursively. Invoke
908 diagnose_omp_structured_block_errors.
909 (check_for_loop_decls): Return a singular decl found.
910 * langhooks.c (lhd_omp_predetermined_sharing): Return
911 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
912 (lhd_omp_firstprivatize_type_sizes): New.
913 (lhd_omp_assignment): New.
914 (lhd_omp_predetermined_sharing): New.
915 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
916 (struct lang_hooks_for_types): Add
917 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
918 omp_predetermined_sharing, omp_disregard_value_expr,
919 omp_private_debug_clause, omp_clause_default_ctor,
920 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
921 (c_finish_omp_clauses): New.
922 (c_finish_bc_stmt): Diagnose break within omp for.
923 (c_begin_omp_parallel, c_finish_omp_parallel): New.
924 (build_unary_op): Return error_mark after reporting
926 (build_modify_expr): Likewise.
927 * gimplify.c: Include optabs.h and pointer-set.h.
928 (enum gimplify_omp_var_data): Declare.
929 (struct gimplify_omp_ctx): Declare.
930 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
932 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
933 (push_gimplify_context, pop_gimplify_context): Allow nesting.
934 (splay_tree_compare_decl_uid): New.
935 (new_omp_context): New.
936 (delete_omp_context): New.
937 (gimple_add_tmp_var): Call omp_add_variable.
938 (gimplify_bind_expr): Likewise.
939 (gimplify_var_or_parm_decl): If omp_notice_variable returned
940 true, disregard DECL_VALUE_EXPR on the decl if any.
941 (gimplify_expr_in_ctx): New.
942 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
943 omp_add_variable, omp_notice_variable, omp_is_private
944 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
945 gimplify_adjust_omp_clauses, gimplify_omp_parallel
946 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
947 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
948 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
949 gimplify_omp_atomic): New.
950 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
951 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
952 OMP_CRITICAL and OMP_ATOMIC.
953 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
954 * c-pragma.h (enum pragma_kind): Add
955 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
956 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
957 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
958 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
959 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
960 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
961 PRAGMA_OMP_THREADPRIVATE.
962 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
963 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
964 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
965 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
966 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
967 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
968 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
969 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
970 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
971 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
972 * tree-ssa-dce.c (find_control_dependence): Do not assume that
973 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
974 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
976 (struct nesting_info): Add field_map,
977 suppress_expansion, debug_var_chain.
978 (create_nesting_tree): Initialize them.
979 (lookup_field_for_decl): Use field_map.
980 (get_nonlocal_debug_decl, get_local_debug_decl): New.
981 (convert_local_omp_clauses): New.
982 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
983 (walk_body): Split out of walk_function.
984 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
985 (convert_nonlocal_reference): Handle omp statements.
986 (convert_local_reference): Likewise.
987 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
988 (unnest_nesting_tree): New.
989 (lower_nested_functions): Call it.
990 (insert_field_into_struct): Make extern.
991 (struct walk_stmt_info): Move to tree-gimple.h.
992 (walk_stmts): Make extern.
993 * omp-builtins.def: New file.
994 * tree-iterator.c (expr_only): Clarify comment.
995 * c-common.h (pushdecl_top_level, pushdecl,
996 build_modify_expr, build_indirect_ref,
997 c_finish_omp_master, c_finish_omp_critical,
998 c_finish_omp_ordered, c_finish_omp_barrier,
999 c_finish_omp_atomic, c_finish_omp_flush,
1000 c_finish_omp_for, c_split_parallel_clauses,
1001 omp_clause_default_kind, c_omp_sharing_predetermined,
1002 c_omp_remap_decl): Declare.
1003 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1004 (OBJS-common): Add omp-low.o.
1005 (c-omp.o, omp-low.o): Add.
1006 (gimplify.o): Add dependency on $(OPTABS_H).
1007 (GTFILES): Add omp-low.c.
1008 (gt-stringpool.h): Add.
1009 * tree-cfg.c (set_bb_for_stmt): Do not update the
1010 block-to-labels map if we are currently expanding to RTL.
1011 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1013 Handle IDENTIFIER_NODE.
1014 (tree_verify_flow_info): Do not ICE when emitting error
1015 messages about invalid labels.
1016 (dump_function_to_file): Reset CFUN before emitting the body
1018 (debug_function): New.
1019 * passes.c (init_optimization_passes): Schedule
1021 * langhooks-def.h (lhd_omp_predetermined_sharing,
1022 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1024 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1025 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1026 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1027 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1028 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1029 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1030 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1031 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1032 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1033 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1034 (LANG_HOOK_DECLS): Use them.
1036 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1037 Richard Henderson <rth@redhat.com>
1038 Jakub Jelinek <jakub@redhat.com>
1039 Diego Novillo <dnovillo@redhat.com>
1041 * c-parser.c (pragma_omp_clause): Define.
1042 (c_parser_declaration_or_fndef): Document OpenMP syntax.
1043 (c_parser_compound_statement): Likewise.
1044 (c_parser_statement): Likewise.
1045 (c_parser_pragma): Handle omp pragmas.
1046 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1047 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1048 (c_parser_omp_clause_name, check_no_duplicate_clause,
1049 c_parser_omp_variable_list,
1050 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1051 c_parser_omp_clause_copyprivate,
1052 c_parser_omp_clause_default,
1053 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1054 c_parser_omp_clause_lastprivate,
1055 c_parser_omp_clause_nowait,
1056 c_parser_omp_clause_num_threads,
1057 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1058 c_parser_omp_clause_reduction,
1059 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1060 c_parser_omp_all_clauses, c_parser_omp_structured_block,
1061 c_parser_omp_atomic, c_parser_omp_barrier,
1062 c_parser_omp_critical, c_parser_omp_flush,
1063 c_parser_omp_for_loop, c_parser_omp_for,
1064 c_parser_omp_master, c_parser_omp_ordered,
1065 c_parser_omp_sections_scope, c_parser_omp_sections,
1066 c_parser_omp_parallel, c_parser_omp_single,
1067 c_parser_omp_construct, c_parser_omp_threadprivate): New.
1068 * c-pragma.c (init_pragma): Do omp pragma registration here.
1069 * c.opt (fopenmp): New flag.
1071 2006-01-18 Eric Christopher <echristo@apple.com>
1073 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1074 * config/darwin.h (GOMP_SELF_SPECS): Define.
1076 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1078 * rtl.h: Remove the prototype for reg_alloc.
1080 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1083 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1084 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1085 sjlj and dwarf2 exception handling.
1086 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1087 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1088 * pa/pa.c (function_value): Treat complex and vector types as
1090 (function_arg): Likewise. Only pass scalar floats in the floating
1091 point argument registers.
1092 * pa/t-slibgcc-dwarf-ver: New file.
1093 * pa/t-slibgcc-sjlj-ver: New file.
1094 * pa/t-slibgcc-elf-ver: Delete file.
1096 2006-01-19 Alan Modra <amodra@bigpond.net.au>
1098 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1099 unlikely_test_section_p test.
1101 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1103 * mode-switching.c (optimize_mode_switching): Make it static.
1104 * basic-block.h: Remove the prototype for
1105 optimize_mode_switching.
1107 * modulo-sched.c (sms_schedule): Make it static.
1108 * rtl.h: Remove the prototype for sms_schedule.
1110 * postreload-gcse.c (gcse_after_reload_main): Make it static.
1111 * rtl.h: Remove the prototype for gcse_after_reload_main.
1113 * reg-stack.c (reg_to_stack): Make it static.
1114 * rtl.h: Remove the prototype for reg_to_stack.
1116 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1118 * rtl.h: Remove the prototypes for regrename_optimize and
1119 copyprop_hardreg_forward.
1121 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
1123 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1124 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
1125 Test against the appropriate null constant for the mode.
1126 If 'fixup_overlap' is true, swap the operands if they overlap.
1127 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1128 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1129 alpha_split_tmode_pair and adjust for above change.
1130 * config/alpha/alpha.md (movtf_internal): Adjust call to
1131 alpha_split_tfmode_pair and rely on it to swap the operands.
1132 (movti_internal): New insn and post-reload splitter.
1133 (movti): New expander.
1135 2006-01-18 Philippe De Muyter <phdm@macqel.be>
1137 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1140 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1142 * rtlanal.c (global_reg_mentioned_p_1,
1143 global_reg_mentioned_p): Remove.
1144 * rtl.h: Remove the prototype for global_reg_mentioned_p.
1146 * flow.c (initialize_uninitialized_subregs): Make it static.
1147 * rtl.h: Remove the prototype for
1148 initialize_uninitialized_subregs.
1150 * function.c (instantiate_virtual_regs): Make it static.
1151 * function.h: Remove the prototype for
1152 instantiate_virtual_regs.
1154 * regmove.c (regmove_optimize, combine_stack_adjustments):
1156 * rtl.h: Remove the prototypes for regmove_optimize and
1157 combine_stack_adjustments.
1159 2006-01-17 Roger Sayle <roger@eyesopen.com>
1161 * config/i386/i386.c (COSTS_N_BYTES): New macro.
1162 (size_cost): Encode costs in bytes so that a reg-reg addition is
1163 equivalent to COSTS_N_INSNS(1).
1164 (override_options): Use the size_cost.branch_cost as the default
1165 ix86_branch_cost when optimizing for size.
1167 2006-01-18 Ben Elliston <bje@au.ibm.com>
1169 * Makefile.in (D32PBIT_FUNCS): New.
1170 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
1171 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
1172 D64PBIT_FUNCS and D128PBIT_FUNCS.
1173 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
1174 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
1176 (decnumber_dep): Define.
1177 * doc/libgcc.texi (Decimal float library routines): New node.
1178 * config/dfp-bit.h, config/dfp-bit.c: New files.
1180 2006-01-18 Ben Elliston <bje@au.ibm.com>
1182 * expr.c (emit_move_change_mode): Always adjust addresses, not
1183 just during reload. Copy replacements only during reload.
1184 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
1185 emit_move_via_integer.
1187 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
1189 * Makefile.in (check-%, check-consistency): Use $${srcdir}
1190 instead of $(srcdir) and ${srcdir}.
1192 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
1196 * arm.h (struct machine_function): Add pic_reg.
1197 * arm.c (arm_pic_register): Make unsigned.
1198 (arm_override_options): Only set arm_pic_register if
1199 TARGET_SINGLE_PIC_BASE.
1200 (use_return_insn): Only test for a pic register if it is fixed.
1201 (arm_compute_save_reg0_reg12_mask): Likewise.
1202 (thumb_compute_save_reg_mask): Likewise.
1203 (legitimate_pic_operand): Factor out some known invariants.
1204 (legitimize_pic_address): If we don't have a fixed pic register,
1205 then set up a pseudo in the function entry sequence. Handle the
1206 pic base being in a pseudo.
1207 (arm_load_pic_register): Handle the pic register being in a pseudo.
1208 (arm_expand_prologue): Only set up the pic register if it is fixed.
1209 (thumb_expand_prologue): Likewise.
1210 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
1211 (pic_load_addr_based_insn): Likewise.
1212 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
1215 2006-01-18 Ben Elliston <bje@au.ibm.com>
1217 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
1218 decimal float modes for all floating point registers.
1220 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
1221 match_code "mem" with match_test "macho_lo_sum_memory_operand".
1223 2006-01-17 Jakub Jelinek <jakub@redhat.com>
1226 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
1227 even when the pointer is not NULL.
1229 2006-01-16 Ian Lance Taylor <ian@airs.com>
1231 * common.opt (ftoplevel-reorder): New option.
1232 * cgraph.c (cgraph_asm_nodes): New global variable.
1233 (cgraph_asm_last_node): New static variable.
1234 (cgraph_order): New global variable.
1235 (cgraph_create_node): Set new order field.
1236 (cgraph_varpool_node): Likewise.
1237 (decide_is_variable_needed): Return true if not
1238 flag_toplevel_reorder.
1239 (cgraph_add_asm_node): New function.
1240 * cgraph.h (struct cgraph_node): Add order field.
1241 (struct cgraph_varpool_node): Add order field.
1242 (struct cgraph_asm_node): Define.
1243 (cgraph_asm_nodes, cgraph_order): Declare.
1244 (cgraph_add_asm_node): Declare.
1245 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
1247 (cgraph_varpool_assemble_pending_decls): Call it.
1248 (cgraph_output_pending_asms): New static function.
1249 (cgraph_finalize_compilation_unit): Call it.
1250 (struct cgraph_order_sort): Define.
1251 (cgraph_output_in_order): New static function.
1252 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
1253 !flag_toplevel_reorder case.
1254 * c-parser.c: Include "cgraph.h".
1255 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
1257 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
1258 than -fno-unit-at-a-time.
1259 * doc/invoke.texi (Option Summary): Mention
1260 -fno-toplevel-reorder.
1261 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
1262 -funit-at-a-time documentation.
1264 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
1265 Kazu Hirata <kazu@codesourcery.com>
1267 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
1269 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
1271 * Makefile.in (FUNCTION_H): New. Use it instead of
1272 function.h throughout the file.
1273 * function.h: Include tree.h.
1275 2006-01-17 Ben Elliston <bje@au.ibm.com>
1277 * recog.c: Separate some functions with whitespace.
1279 2006-01-16 Richard Henderson <rth@redhat.com>
1281 Merge from gomp branch:
1282 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
1283 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
1284 and rename from struct inline_data. Rename callee* to dst*;
1285 caller* to src*; add copy_decl hook, transform_call_graph_edges,
1286 transform_new_cfg, transform_return_to_modify, and
1287 transform_lang_insert_block flags; remove cloning_p, versioning_p,
1289 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
1290 (copy_decl_for_dup): Remove.
1291 * tree-inline.c (struct inline_data): Move to header.
1292 (insert_decl_map): Export.
1293 (remap_decl): Update for member name changes. Use copy_decl hook.
1294 Allow for replacement to be a non-decl. Remove dead code.
1295 (remap_type_1): Check for existing mapping.
1296 (remap_type): Export.
1297 (remap_decls): Update for member name changes.
1298 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
1299 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
1300 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
1301 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
1302 (tree_function_versioning, build_duplicate_type): Likewise.
1303 (copy_body_r): Likewise. Export.
1304 (copy_decl_for_dup): Split into ...
1305 (copy_decl_for_dup_finish, copy_decl_to_var,
1306 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
1307 (replace_ref_tree, inlining_p): Remove.
1309 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1311 * ifcvt.c (if_convert): Make it static.
1312 * rtl.h: Remove the prototype for if_convert.
1314 * local-alloc.c (local_alloc): Make it static.
1315 * rtl.h: Remove the prototype for local_alloc.
1317 * loop.c (loop_optimize): Make it static.
1318 * cfgloop.h: Remove the prototype for loop_optimize.
1321 2006-01-16 DJ Delorie <dj@redhat.com>
1323 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
1326 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1328 * pa.md: Disparage copies between general and floating-point registers
1329 in 32-bit move patterns.
1331 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
1334 * Makefile.in (check-%): Depend on site.exp instead of
1335 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
1338 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1340 * global.c (global_alloc): Make it static.
1341 * rtl.h: Remove the prototype for global_alloc.
1343 2006-01-16 Richard Guenther <rguenther@suse.de>
1345 * tree-ssa-alias.c (struct used_part): Add write_only field.
1346 (get_or_create_used_part_for): Initialize it to true.
1347 (create_overlap_variables_for): Don't create structure variables
1348 for structures that only are written to.
1349 (find_used_portions): Handle MODIFY_EXPR to track whether a
1350 structure is only written to.
1352 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1354 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
1356 * basic-block.h: Remove the prototype for
1357 partition_hot_cold_basic_blocks.
1359 2006-01-16 Rafael Ãvila de EspÃndola <rafael.espindola@gmail.com>
1361 * cppspec.c (lang_specific_spec_functions): remove
1362 * gcc.c (lookup_spec_function): use static_spec_functions directelly
1363 * gcc.h (lang_specific_spec_functions): remove
1364 * gccspec.c (lang_specific_spec_functions): remove
1366 2005-01-16 Paolo Bonzini <bonzini@gnu.org>
1368 * combine.c (record_value_for_reg): Invalidate registers
1370 (record_dead_and_set_regs_1): Likewise, by passing them to
1371 record_value_for_reg.
1372 (record_dead_and_set_regs): Invalidate stores made by a
1373 call. We do not combine across a call, but we still
1374 relied on equivalences.
1376 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1378 * tree-vrp.c (extract_range_from_binary_expr): Cope with
1379 vrp_int_const_binop returning non-constant nodes.
1381 2006-01-16 Paul Brook <paul@codesourcery.com>
1383 * config/m68k/m68k.c (output_move_const_into_data_reg):
1384 Output correct mnemonic for mvz and mvs.
1386 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
1388 * rtl-factoring.c: Add sequence abstraction algorithm.
1389 * cfgcleanup.c (outgoing_edges_match): Extra checks.
1390 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
1392 (block_has_preserve_label): New function.
1393 * common.opt: Register new pass.
1394 * Makefile.in: Ditto.
1396 * timevar.def: Ditto.
1397 * tree-pass.h: Ditto.
1398 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
1399 * rtl.h (make_jump_insn_raw): Add forward decl.
1400 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
1402 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1403 Roger Sayle <roger@eyesopen.com>
1405 * fold-const.c (fold_minmax): New static function.
1406 (fold_binary) <MIN_EXPR>: Call it.
1407 <MAX_EXPR>: Likewise.
1408 * stor-layout.c (place_field): Use DECL_SIZE consistently
1409 in the computation of the new record size.
1411 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1413 * cse.c (cse_condition_code_reg): Make it static.
1414 * rtl.h: Remove the prototype for cse_condition_code_reg.
1416 * combine.c (combine_instructions): Make it static.
1417 * rtl.h: Remove the prototype for combine_instructions.
1419 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1422 * tree.c (get_file_function_name_long): Concatenate the first global
1423 object name with a string derived from the input filename of the object
1426 2006-01-16 Ben Elliston <bje@au.ibm.com>
1428 * config/i386/winnt-stubs.c: Update FSF address.
1429 * config/xtensa/ieee754-df.S: Ditto.
1430 * config/xtensa/ieee754-sf.S: Ditto.
1432 2006-01-14 Ian Lance Taylor <ian@airs.com>
1434 * ifcvt.c (noce_init_if_info): New static function, broken out of
1435 noce_process_if_block.
1436 (noce_process_if_block): Call noce_init_if_info.
1437 (check_cond_move_block): New static function.
1438 (cond_move_process_if_block): New static function.
1439 (process_if_block): Call cond_move_process_if_block.
1441 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
1443 * cselib.c (hash_table): Rename to cselib_hash_table.
1444 (cselib_clear_table, discard_useless_values,
1445 remove_useless_values, cselib_lookup_mem, cselib_lookup,
1446 cselib_init, cselib_finish): Adjust uses of hash_table.
1448 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
1450 PR tree-optimization/25485
1451 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
1452 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
1453 is known to be false and true, respectively.
1455 2006-01-14 Richard Guenther <rguenther@suse.de>
1457 PR tree-optimization/22548
1458 PR tree-optimization/22555
1459 PR tree-optimization/22501
1460 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
1461 * params.def (salias-max-array-elements): New parameter.
1462 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
1463 * doc/invoke.texi (salias-max-array-elements): Document.
1464 * tree-flow-inline.h (var_can_have_subvars): We also handle
1466 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
1468 * tree-ssa-structalias.c (params.h): Include.
1469 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
1470 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
1471 (get_constraint_for): For ADDR_EXPR operating on something
1472 containing an ARRAY_REF, add all subvars to the solution.
1473 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
1474 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
1475 for creating MUST_DEFs.
1476 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
1478 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
1480 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
1482 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
1483 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1484 number_of_iterations_le): New functions.
1485 (number_of_iterations_special): Removed.
1486 (number_of_iterations_exit): Do not use number_of_iterations_special.
1487 * tree.c (unsigned_type_for): Always return integer type.
1489 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
1490 Richard Guenther <rguenther@suse.de>
1492 PR rtl-optimization/24257
1493 * gcse.c (find_moveable_store): Only consider a store movable
1494 when the SET_SRC of the insn can be assigned to a register.
1496 2006-01-14 Ian Lance Taylor <ian@airs.com>
1498 * tree.c (tree_not_class_check_failed): New function.
1499 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
1500 (tree_not_class_check_failed): Declare.
1502 2006-01-13 Ian Lance Taylor <ian@airs.com>
1504 * reload1.c (do_output_reload): Add assertion rejecting a
1507 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
1509 * combine.c (struct reg_stat): Add new fields truncation_label and
1511 (record_value_for_reg): Reset truncated_to_mode.
1512 (record_truncated_value): New function.
1513 (check_promoted_subreg): Call it. Rename to check_conversions.
1514 (combine_instructions): Rename check_promoted_subreg to
1516 (reg_truncated_to_mode): New function.
1517 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
1518 (gen_lowpart_or_truncate): New function.
1519 (force_to_mode): Use it instead of gen_lowpart.
1521 2006-01-13 Diego Novillo <dnovillo@redhat.com>
1523 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
1524 VAR is a tag, not its type tag.
1526 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
1528 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
1529 alternatives to match style of other entries.
1530 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
1532 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
1534 PR tree-optimization/25771
1535 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
1538 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
1541 * tree-inline.c (declare_return_variable): If the return variable
1542 was marked as a non gimple complex, set the return slot variable
1543 to be a non gimple comple variable.
1545 2006-01-13 Richard Guenther <rguenther@suse.de>
1547 * builtins.c (expand_builtin_sincos): New function.
1548 (expand_builtin_mathfn_3): Remove dead code, sin and cos
1550 (expand_builtin): Expand sincos using expand_builtin_sincos.
1552 2006-01-12 DJ Delorie <dj@redhat.com>
1554 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
1555 shift counts, separate SI shifts for m32c vs m16c, pass shift type
1556 so that constant shifts can be split.
1557 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
1558 (m32c_valid_pointer_mode): Make static.
1559 (shift_gen_func_for): New.
1560 (m32c_prepare_shift): Use it. Split large const shifts into
1562 * config/m32c/predicates.md (shiftcount_operand): Allow more
1564 (longshiftcount_operand): New.
1565 * doc/md.texi (Machine Constraints): Document In6.
1567 2006-01-13 Ben Elliston <bje@au.ibm.com>
1569 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
1570 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
1573 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
1575 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
1576 to try to avoid clobbering pieces of structures when we know
1577 something about the whole structure.
1578 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
1580 2006-01-13 Ben Elliston <bje@au.ibm.com>
1582 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
1583 return in memory, as this is no limitation is no longer present.
1585 2006-01-12 DJ Delorie <dj@redhat.com>
1587 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
1588 mova with fb, and for fb+0 -> An.
1590 * config/m32c/mov.md (peephole2): Fix enabling logic.
1592 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
1593 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
1594 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
1595 FINI_ARRAY_SECTION_ASM_OP): Define.
1597 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
1599 (m32c_legitimize_reload_address): New logic to reload FB to An.
1600 (m32c_output_reg_push): Add newline.
1601 (m32c_output_reg_pop): Likewise.
1603 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
1605 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
1607 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
1609 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
1611 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1613 * config/sh/predicates.md (sh_rep_vec): Add parallel to
1616 2006-01-11 Ben Elliston <bje@au.ibm.com>
1618 * rtlanal.c (find_reg_note): Assert insn is not null.
1620 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
1622 * df-scan.c (df_hard_reg_init): Move declaration of i outside
1625 2006-01-11 Jeff Law <law@redhat.com>
1627 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
1629 (mark_threaded_blocks, register_jump_thread): New functions.
1630 (thread_through_all_blocks): Remove unwanted argument. No
1631 longer rely on e->aux to communicate thread target info.
1632 Call mark_threaded_blocks. Release the threaded_blocks
1633 bitmap and threaded_edges vector when complete.
1634 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
1635 (threaded_blocks): Remove.
1636 (tree_ssa_dominator_optimize): Remove initialization and
1637 finalization of threaded_blocks. Simplify call to
1638 thread_through_all_blocks.
1639 (thread_across_edge): Call register_jump_thread rather than
1640 storing thread information into e->aux.
1641 (free_all_edge_infos): Simplify now that e->aux is no longer
1642 used to communicate with thread_through_all_blocks.
1643 * tree-flow.h (thread_through_all_blocks): Update prototype.
1644 (register_jump_thread): Prototype.
1646 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1648 * df-core.c (df_compact_blocks, df_bb_replace): Use
1649 SET_BASIC_BLOCK instead of BASIC_BLOCK.
1651 2006-01-11 Richard Guenther <rguenther@suse.de>
1653 PR tree-optimization/25734
1654 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
1655 stop propagation after successful propagation to the LHS.
1657 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1659 * basic-block.h (control_flow_graph): Change the type of
1660 x_basic_block_info to VEC(basic_block,gc) *.
1661 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
1663 (SET_BASIC_BLOCK): New.
1664 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
1665 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
1666 * cfgbuild.c (find_basic_blocks): Likewise.
1667 * cfglayout.c (fixup_reorder_chain): Likewise.
1668 * cfgrtl.c (create_basic_block_structure,
1669 rtl_create_basic_block): Likewise.
1670 * ifcvt.c (find_if_case_1): Likewise.
1671 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
1674 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
1676 * Makefile.in: Removed rotted odf.c entry.
1678 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
1681 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
1682 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
1683 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
1684 output pattern modifier, not %e.
1685 * config/cris/cris.c (cris_op_str): Update comment about pattern
1687 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
1688 before falling through into...
1689 <case 'E'>: Redefined from old 'e' case.
1691 2006-01-11 Jan Hubicka <jh@suse.cz>
1694 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
1696 2006-01-11 Jan Hubicka <jh@suse.cz>
1698 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
1699 * i386.c (x86_decompose_lea): Kill.
1700 (ix86_rtx_costs): Kill.
1702 2006-01-11 Jan Hubicka <jh@suse.cz>
1704 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
1705 * cgraph.h (cgraph_node): Add inline_decl.
1706 (cgraph_insert_node_to_hashtable): Declare.
1707 (save_inline_function_body): Declare.
1708 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
1710 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
1711 (cgraph_function_versioning): Update call of tree_function_versioning.
1712 (save_inline_function_body): New function.
1713 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
1714 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
1715 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
1716 (cgraph_default_inline_p): Likewise.
1717 (cgraph_decide_inlining_incrementally): Likewise.
1718 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
1719 (copy_bb): Kill saving; do updating of clones.
1720 (copy_cfg_body): Kill saving.
1721 (initialize_inlined-parameters): Likewise.
1722 (expand_call_inline): Likewise.
1724 (tree_function_versioning): New parameter "update_clones".
1725 (inlining_p): Kill saving.
1726 * tree-inline.h (tree_function_versioning): Update prototype.
1727 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
1730 2006-01-11 Ian Lance Taylor <ian@airs.com>
1732 * combine.c (struct undo): Remove is_int. Enumify types of undos.
1733 Allow undoing set of machine mode.
1734 (do_SUBST): Use enums instead of is_int.
1735 (do_SUBST_MODE): New function.
1736 (SUBST_MODE): New macro.
1737 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
1738 reg and trying to replace reg_regno_rtx with a new register.
1739 (undo_all): Use new enums, handle undoing a PUT_MODE change.
1740 (simplify_set): Use SUBST_MODE.
1741 (distribute_notes): Remove code that tried to update reg notes
1742 for regno_reg_rtx changes.
1744 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
1746 PR tree-optimization/23109
1747 PR tree-optimization/23948
1748 PR tree-optimization/24123
1750 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
1751 * tree-cfg.c (single_noncomplex_succ): New.
1752 * tree-flow.h (single_noncomplex_succ): Declare it.
1753 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
1754 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
1755 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
1756 insert_bb, register_division_in, insert_reciprocals,
1757 replace_reciprocal, free_bb): New.
1758 (execute_cse_reciprocals_1): Rewritten.
1759 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
1760 Do not commit any edge insertion. Always compute dominators and
1761 create the allocation pool.
1762 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
1763 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
1764 * targhooks.c (default_min_divistions_for_recip_mul): New.
1765 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
1766 * passes.c (init_optimization_passes): Run recip after tree loop
1768 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
1770 2005-01-11 Danny Berlin <dberlin@dberlin.org>
1771 Kenneth Zadeck <zadeck@naturalbridge.com>
1773 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
1774 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
1775 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
1776 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
1777 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
1778 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
1779 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
1780 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
1781 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
1782 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
1783 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
1784 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
1785 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
1786 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
1787 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
1788 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
1789 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
1790 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
1791 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
1792 DF_SCAN_POST_ALLOC): New macros.
1793 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
1794 df_free_bb_function, df_local_compute_function, df_init_function,
1795 df_dataflow_function, df_confluence_function_0,
1796 df_confluence_function_n, df_transfer_function,
1797 df_finalizer_function, df_free_function, df_dump_problem_function,
1798 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
1799 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
1800 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
1801 df_urec_bb_info, ) New types.
1802 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
1804 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
1805 df_analyze_simple_change_some_blocks,
1806 df_analyze_simple_change_one_block, df_compact_blocks,
1807 df_bb_replace, df_bb_regno_last_use_find,
1808 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
1809 df_insn_regno_def_p, df_find_def, df_find_use,
1810 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
1811 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
1812 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
1813 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
1814 debug_df_chain, df_get_dependent_problem, df_chain_create,
1815 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
1816 df_grow_bb_info, df_chain_dump, df_print_bb_index,
1817 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
1818 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
1819 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
1820 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
1821 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
1822 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
1823 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
1824 df_ref_remove, df_insn_refs_delete, df_refs_delete,
1825 df_reorganize_refs, df_set_state, df_hard_reg_init,
1826 df_read_modify_subreg_p) New public functions.
1827 * df-core.c: The core dataflow solver and glue routines for rtl
1829 (df_init, df_add_problem, df_set_blocks, df_finish,
1830 df_hybrid_search_forward, df_hybrid_search_backward,
1831 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
1832 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
1833 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
1834 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
1835 df_reg_defined, df_find_use, df_reg_used, df_dump,
1836 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
1837 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
1838 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
1839 debug_df_useno, reset_df_after_reload): New functions.
1840 * df-scan.c: The scanning fuctions, once in df.c, completely
1841 rewritten so that they now fully model the functionality of
1842 register usage at the backend.
1843 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
1844 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
1845 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
1846 df_grow_insn_info, df_rescan_blocks, df_ref_create,
1847 df_get_artificial_defs, df_get_artificial_uses,
1848 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
1849 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
1850 df_refs_delete, df_reorganize_refs, df_set_state,
1851 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
1852 df_def_record_1, df_defs_record, df_uses_record,
1853 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
1854 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
1855 df_record_exit_block_uses, df_hard_reg_init): New functions.
1857 * df-problems.c: Seven concrete dataflow problems that use the
1858 scanning in df-scan.c and are solved by the engine in df-core.c.
1859 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
1860 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
1861 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
1862 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
1863 df_ru_free_bb_info, df_ru_alloc,
1864 df_ru_bb_local_compute_process_def,
1865 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
1866 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
1867 df_ru_transfer_function, df_ru_free, df_ru_dump,
1868 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
1869 df_rd_free_bb_info, df_rd_alloc,
1870 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
1871 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
1872 df_rd_transfer_function, df_rd_free, df_rd_dump,
1873 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
1874 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
1875 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
1876 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
1877 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
1878 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
1879 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
1880 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
1881 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
1882 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
1883 df_urec_mark_reg_change, df_urec_check_earlyclobber,
1884 df_urec_mark_reg_use_for_earlyclobber,
1885 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
1886 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
1887 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
1888 df_urec_dump, df_urec_add_problem, df_chain_alloc,
1889 df_chain_create_bb_process_use, df_chain_create_bb,
1890 df_chain_finalize, df_chain_free, df_chains_dump,
1891 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
1892 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
1893 df_reg_lifetime): New functions.
1894 * df.c: Deleted file.
1895 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
1896 consistent with new df api.
1897 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
1898 rest_of_handle_sms): Ditto.
1899 * web.c (unionfind_union, union_defs, entry_register, web_main):
1901 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
1902 invariant_expr_equal_p, find_defs, check_dependencies,
1903 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
1904 free_inv_motion_data, move_loop_invariants): Ditto.
1905 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
1906 Update dependencies.
1907 (odf.c): Added defective entry that was deleted later in day.
1908 * sched-deps.c (sched_analyze_1): Ditto.
1910 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
1912 * tree-ssa-operands.c (get_expr_operands): Record addressable
1913 variables directly. Do not call add_stmt_operands for CONST_DECLs
1915 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
1916 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
1918 2006-01-11 Ben Elliston <bje@au.ibm.com>
1920 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
1921 function returns true in the positive case.
1923 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1926 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
1927 for SI, DI, SF and DF modes. Add alternatives to copy between
1928 general and floating point registers to the 32-bit patterns.
1929 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
1930 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
1931 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
1932 generating 64-bit code.
1933 * config/pa/pa.c (output_move_double): Handle copies between general
1934 and floating registers.
1936 2006-01-10 Stuart Hastings <stuart@apple.com>
1938 * config/i386/i386.md (set_got): Update.
1939 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
1940 (builtin_setjmp_receiver): Mach-O support.
1941 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
1942 (GOT_SYMBOL_NAME): Define.
1943 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
1944 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
1945 * config/i386/i386.c (override_options): Revise for Darwin.
1946 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
1947 support. (darwin_x86_file_end): New. (output_set_got): Add label
1948 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
1949 * config/i386/i386-protos.h (output_set_got): Likewise.
1950 * config/darwin.c (machopic_legitimize_pic_address): Update
1953 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
1955 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
1956 when MODE isn't BLKmode.
1958 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1960 PR rtl-optimization/25367
1961 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
1963 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
1966 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
1967 for a negative bound.
1969 2006-01-10 Richard Guenther <rguenther@suse.de>
1971 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1972 Never override with anything constraint.
1974 2006-01-10 Jan Beulich <jbeulich@novell.com>
1976 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
1977 256 bits when optimize_size.
1979 2006-01-10 Jan Beulich <jbeulich@novell.com>
1981 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
1983 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
1984 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
1987 2006-01-10 Ben Elliston <bje@au.ibm.com>
1989 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
1991 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
1992 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1993 (USE_FP_FOR_ARG): Reject decimal float modes.
1994 (function_arg_advance): Likewise.
1995 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
1996 (rs6000_handle_altivec_attribute): Do not permit decimal floating
1997 point types in AltiVec vectors.
1998 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
1999 (rs6000_libcall_value): Likewise.
2001 2006-01-09 Bob Wilson <bob.wilson@acm.org>
2003 * config/xtensa/ieee754-df.S: New file.
2004 * config/xtensa/ieee754-sf.S: New file.
2005 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2006 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2007 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2009 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
2011 * config/sh/predicates.md (binary_float_operator,
2012 binary_logical_operator, commutative_float_operator,
2013 equality_comparison_operator, greater_comparison_operator,
2014 less_comparison_operator, logical_operator,
2015 noncommutative_float_operator, shift_operator,
2016 symbol_ref_operand, unary_float_operator): Remove redundant
2019 2006-01-09 Jeff Law <law@redhat.com>
2021 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2022 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
2023 now unused arguments. Callers updated.
2024 (eliminate_redundant_computations): Remove now unused arguments,
2026 (local_fold): Remove, no longer used.
2027 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2029 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2030 (simplify_cond): New function.
2031 (forward_propagate_into_cond): Call simplify_cond.
2033 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
2035 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2036 (*vec_extractv2di_1_sse): New.
2038 2006-01-09 Ben Elliston <bje@au.ibm.com>
2040 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2042 2006-01-08 Richard Guenther <rguenther@suse.de>
2044 * tree-ssa-structalias.c (get_constraint_for): Remove
2046 (get_constraint_for_component_ref): Likewise.
2047 (do_deref): Likewise.
2048 (get_constraint_for): Likewise.
2049 (do_structure_copy): Likewise.
2050 (handle_ptr_arith): Likewise.
2051 (find_func_aliases): Likewise. Remove unused need_anyoffset
2054 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
2055 Kaz Kojima <kkojima@gcc.gnu.org>
2057 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2058 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2059 (EXTRA_CONSTRAINT_C16): Remove.
2060 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2061 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2062 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2063 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2064 constants of SHmedia. Handle nested constant expressions of
2066 (andcosts): Fix the costs for SHmedia constants.
2067 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2068 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2069 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2070 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2071 (movv4hi_i, movv2si_i): Likewise.
2072 (movsi_const): Adjust the second operand of ior so to match with
2074 (movdi_const, movdi_const_32bit): Likewise.
2075 (movdi_const_16bit+1): Don't sign-extend LOW.
2076 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
2078 (*double_shori): Fix the split condition. Use GEN_INT instead
2079 of get_int_mode calls. Mask lower 16-bit of the argument of
2081 (sym2GOTPLT): Remove.
2082 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2084 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2085 instead of EXTRA_CONSTRAINT_C16.
2087 2006-01-07 Ian Lance Taylor <ian@airs.com>
2088 David Edelsohn <edelsohn@gnu.org>
2090 PR rtl-optimization/25662
2091 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2092 for constant operands instead of simplify_gen_binary.
2093 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2094 after trying simplify_binary_operation
2096 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
2098 * tree.c (iterative_hash_expr): Hash decls based on UID.
2100 2006-01-06 Eric Christopher <echristo@apple.com>
2102 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2103 (TARGET_UNWIND_EMIT): Fix spelling.
2104 * target.h (gcc_target): Add except_table_label.
2105 * except.c (output_function_exception_table): Use.
2106 * varasm.c (default_emit_except_table_label): New.
2107 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2109 (asm_out): Add here.
2110 * output.h (default_emit_except_table_label): Prototype.
2111 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2112 * config/darwin.c (darwin_emit_except_table_label): Define.
2113 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2115 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
2117 PR tree-optimization/18527
2118 * tree-ssa-loop-niter.c (number_of_iterations_cond,
2119 number_of_iterations_special, number_of_iterations_exit):
2120 Move base and step of an iv to a single structure. Add
2121 no_overflow flag, and use it in # of iterations analysis.
2122 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2123 folded_casts argument.
2124 (simple_iv): Pass base and step in a structure. Set no_overflow
2126 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2127 Evaluate expensiveness of computing # of iterations instead of
2128 the final expression.
2129 * tree-scalar-evolution.h (affine_iv): New structure.
2130 (simple_iv): Declaration changed.
2131 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2132 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2133 find_givs_in_stmt): Changed due to simple_iv change.
2135 2006-01-06 Jeff Law <law@redhat.com>
2138 * tree-cfg.c (bsi_replace): Rename final argument from
2139 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
2140 change (stmt -> orig_stmt).
2141 * tree-eh.c (verify_eh_throw_stmt_node): New function.
2142 (bsi_remove): Add new argument. Remove EH information
2144 (verify_eh_throw_table_statements): New function.
2145 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
2147 * tree-optimize.c (execute_free_cfg_annotations): Verify
2148 the EH throw statement table after removing annotations.
2149 * except.h (verify_eh_throw_table_statements): Prototype.
2150 * tree-flow.h (bsi_remove): Update prototype.
2151 * tree-vrp.c (remove_range_assertions): Add new argument to
2153 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2154 * tree-complex.c (expand_complex_div_wide): Likewise.
2155 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2156 * tree-tailcall.c (eliminate_tailcall): Likewise.
2157 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2158 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2159 * tree-nrv.c (tree_nrv): Likewise.
2160 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
2161 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
2162 (combine_blocks): Likewise.
2163 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
2164 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
2165 (cleanup_control_flow): Likewise.
2166 (remove_forwarder_block): Likewise.
2167 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2168 * tree-sra.c (sra_replace): Likewise.
2169 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
2170 (forward_propagate_single_use_vars): Likewise.
2171 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2172 * tree-inline.c (expand_call_inline): Likewise.
2173 * tree-vect-transform.c (vect_transform_loop): Likewise.
2174 * tree-outof-ssa.c (rewrite_trees): Likewise.
2175 * tree-cfg.c (make_goto_expr_edges): Likewise.
2176 (cleanup_dead_labels): Likewise.
2177 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
2178 (bsi_move_before, bsi_move_after): Likewise.
2179 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
2180 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
2182 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
2185 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
2187 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
2188 on non gimple variables. Also add checks at the top for decls and
2190 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
2192 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
2193 and IMAGPART_EXPR for creating MUST_DEFs.
2194 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
2195 and NAME_MEMORY_TAG separately from the DECLs.
2197 2006-01-06 Richard Guenther <rguenther@suse.de>
2199 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
2200 annotation, if necessary.
2201 * tree-ssa-pre.c (create_expression_by_pieces): Remove
2202 redundant calls to update_stmt.
2203 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
2206 2006-01-05 Richard Henderson <rth@redhat.com>
2208 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
2210 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2212 * c-typeck.c: Update copyright date.
2214 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2216 * c-typeck.c (build_c_cast): Always warn when casting
2217 from a pointer to an integer of different size, even if
2218 the node was constant.
2220 2006-01-05 Richard Guenther <rguenther@suse.de>
2222 PR tree-optimization/22555
2223 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
2224 if one structure field is an array.
2225 * tree-ssa-operands.c (get_expr_operands): Continue scanning
2226 operands even if we found a subvar, but ignore VOPs in this
2228 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
2230 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
2232 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
2235 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
2237 2006-01-05 Richard Guenther <rguenther@suse.de>
2238 Diego Novillo <dnovillo@redhat.com>
2240 * tree-pass.h (TODO_remove_unused_locals): Define.
2241 * gimple-low.c (expand_var_p, remove_useless_vars,
2242 pass_remove_useless_vars): Remove. Update all users.
2243 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
2244 (remove_unused_locals): New function.
2245 * tree-flow.h (remove_unused_locals): Declare.
2246 * passes.c (execute_todo): Call remove_unused_locals if
2247 TODO_remove_unused_locals is set.
2248 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
2249 * tree-ssa-dce.c (pass_dce): Likewise.
2250 * tree-outof-ssa.c (pass_del_ssa): Likewise.
2252 2006-01-05 Richard Guenther <rguenther@suse.de>
2254 * tree-flow.h (struct fieldoff): Decompose field to
2255 type, size and decl.
2256 * tree-ssa-alias.c (create_sft): Take type as parameter.
2257 (create_overlap_variables_for): Store type, size and decl
2258 in the fieldoff structure.
2259 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
2261 (push_fields_onto_fieldstack): Likewise.
2262 (create_variable_info_for): Likewise. Use offset for the
2263 SFT name if the decl is not available.
2265 2006-01-04 Paul Brook <paul@codesourcery.com>
2267 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
2269 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
2271 * lambda-code.c (can_put_in_inner_loop): Relax
2273 (can_put_after_inner_loop): New function.
2274 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
2275 (perfect_nestify): Change to make copies and modify uses.
2277 2006-01-04 Richard Henderson <rth@redhat.com>
2279 Merge from gomp branch:
2280 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
2281 via integer constant.
2282 (pragma_lex): Remove.
2283 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
2284 rather than parsing it.
2285 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
2286 handle_pragma_extern_prefix): Add %< %> quotes.
2287 (registered_pragmas): New.
2288 (c_register_pragma_1): New.
2289 (c_register_pragma): Use it.
2290 (c_register_pragma_with_expansion): Likewise.
2291 (c_invoke_pragma_handler): New.
2292 (init_pragma): Use cpp_register_deferred_pragma directly for
2294 * c-pragma.h (enum pragma_kind): New.
2295 (pragma_handler): New.
2296 (c_invoke_pragma_handler): Declare.
2297 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
2299 * c-common.h (c_common_pch_pragma): Update decl.
2300 * Makefile.in (c-parser.o): Update dependencies.
2301 (GTFILES): Add c-pragma.h.
2302 * c-parser.c (struct c_token): Add pragma_kind.
2303 (struct c_parser): Add in_pragma.
2304 (c_lex_one_token): Always initialize keyword and pragma_kind.
2305 Extract data for CPP_PRAGMA.
2306 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
2307 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
2308 Don't allow CPP_PRAGMA_EOL if in_pragma.
2309 (c_parser_consume_pragma): New.
2310 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
2311 (c_parser_skip_to_end_of_parameter): Likewise.
2312 (c_parser_skip_to_end_of_block_or_statement): Likewise.
2313 (c_parser_skip_to_pragma_eol): New.
2314 (c_parser_external_declaration): Handle CPP_PRAGMA.
2315 (c_parser_compound_statement_nostart): Likewise.
2316 (c_parser_statement_after_labels): Likewise.
2317 (c_parser_pragma): New.
2318 (pragma_lex): Likewise.
2319 (c_parser_pragma_pch_preprocess): New.
2320 (c_parser_new): Merge into ...
2321 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
2323 2006-01-04 Jeff Law <law@redhat.com>
2326 * tree-cfg.c (bsi_replace): Remove the original statement
2327 from the EH throw statement table.
2329 2006-01-04 Jakub Jelinek <jakub@redhat.com>
2331 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
2332 make the prototype extern "C" and add throw ().
2335 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
2336 and pos non-negative and pos + len <= 32.
2337 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
2338 drop pos + len < HOST_BITS_PER_WIDE_INT test.
2339 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
2342 * c-common.c (handle_vector_size_attribute): Reject zero vector size
2343 as well as sizes not multiple of component size.
2346 * function.c (instantiate_expr): New function.
2347 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
2348 walk its DECL_VALUE_EXPR with instantiate_expr.
2350 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
2351 DW_OP_deref{,_size} if address isn't going to be added.
2353 2006-01-04 Ben Elliston <bje@au.ibm.com>
2355 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
2356 * config/fp-bit.c: Likewise.
2358 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
2360 * dominance.c: Add comment about why we use DFS numbering
2363 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2364 Richard Henderson <rth@redhat.com>
2366 Merge from gomp-branch:
2367 * varasm.c (assemble_variable): Handle thread-local COMMON data.
2368 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
2370 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
2372 PR rtl-optimization/25578
2373 * combine.c (combine_simplify_rtx, force_to_mode): Don't
2374 pass a parameter to simplify_shift_const if changing ASHIFTRT
2377 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
2379 * builtins.c (get_builtin_sync_mem): New function.
2380 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
2381 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
2382 Call get_builtin_sync_mem to generate mem rtx.
2384 2006-01-03 Richard Guenther <rguenther@suse.de>
2387 * stmt.c (add_case_node): Make sure to clear overflow flags
2390 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2392 Merge from gomp-branch.
2393 * config/sparc/sync.md: New file.
2394 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
2395 UNSPECV_LDSTUB): New constants.
2396 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
2397 * config/sparc/predicates.md (memory_reg_operand): New predicate.
2398 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
2401 2006-01-03 Roger Sayle <roger@eyesopen.com>
2403 * combine.c (reg_subword_p): New predicate to test whether the
2404 destination of a set refers to a subword/piece of a register.
2405 (try_combine): Generalize the code to merge the setting of a
2406 pseudo to a constant followed by a set of a subword of that
2407 register to a constant.
2409 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
2411 * basic-block.h (control_flow_graph): Change the type of
2412 x_label_to_block_map to VEC(basic_block,gc) *.
2413 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
2414 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
2416 * tree-ssa-propagate.c (cfg_blocks): Change the type to
2417 VEC(basic_block,heap) *.
2418 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
2419 ssa_prop_fini): Adjust the uses of cfg_blocks.
2421 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
2423 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
2425 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
2426 hashing trees instead of a pointer hash.
2427 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
2428 compare for MEM_EXPR.
2430 PR rtl-optimization/25130
2431 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
2432 when comparing MEMs for GCSE
2434 2006-01-03 Ben Elliston <bje@au.ibm.com>
2436 * targhooks.h (default_decimal_float_supported_p): Declare.
2437 * targhooks.c (default_decimal_float_supported_p): Define.
2438 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
2439 `default_decimal_float_supported_p'.
2440 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
2442 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
2444 * combine.c (apply_distributive_law <SUBREG>): Check
2445 TRULY_NOOP_TRUNCATION.
2447 2006-01-02 Geoffrey Keating <geoffk@apple.com>
2449 * dwarf2out.c (have_switched_text_section): Delete.
2450 (have_multiple_function_sections): New.
2451 (have_location_lists): Make 'bool'.
2452 (add_AT_loc_list): Use 'true' not '1'.
2453 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
2454 (output_loc_list): Use have_multiple_function_sections.
2455 (output_ranges): Likewise.
2456 (dwarf2out_begin_function): Set have_multiple_function_sections if
2458 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
2459 Check function_section rather than DECL_SECTION_NAME.
2460 (dwarf2out_finish): Use have_multiple_function_sections.
2461 Don't clear have_location_lists.
2463 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
2464 Jan Hubicka <jh@suse.cz>
2466 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
2467 case of conditional jump jumping to the next instruction.
2468 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
2469 cases of conditional jump jumping to the next instruction.
2471 2006-01-02 Jan Hubicka <jh@suse.cz>
2473 * i386.c (*_cost): Add COSTS_N_INSNS.
2474 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
2476 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
2479 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
2481 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2483 * config/arm/arm.c (all_fpus): Fix comment typo.
2484 * config/darwin.c: Likewise.
2485 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
2486 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
2487 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
2489 2006-01-01 David Edelsohn <edelsohn@gnu.org>
2491 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
2492 (rs6000_split_compare_and_swapqhi): New.
2493 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
2494 (sync_compare_and_swapqhi_internal): New.
2495 * config/rs6000/rs6000-protos.h: Declare.
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