1 2005-08-08 Paolo Bonzini <bonzini@gnu.org>
2 Dale Johannesen <dalej@apple.com>
5 * regclass.c (struct reg_pref): Update documentation.
6 (regclass): Set prefclass to NO_REGS if memory is the best option.
7 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9 into account. For non-registers, equate an empty preferred
10 reload class to a `!' in the constraint; move the if clause to
11 do so after those that reject the insn.
12 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
14 (find_dummy_reload): Likewise.
15 * doc/tm.texi (Register Classes): Document what it means
16 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
17 * config/i386/i386.c (ix86_preferred_reload_class): Force
18 using SSE registers (and return NO_REGS for floating-point
19 constants) if math is done with SSE.
20 (ix86_preferred_output_reload_class): New.
21 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
22 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
23 * config/i386/i386.md: Remove # register preferences.
25 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
28 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
29 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
31 (instantiate_parameters_1): Convert the operands before calling
32 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
33 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
35 2006-04-02 Roger Sayle <roger@eyesopen.com>
37 * builtins.c (dummy_object): Use build_int_cst instead of convert.
38 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
40 * dojump.c (do_jump): Likewise.
41 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
42 * gimplify.c (gimple_boolify, gimplify_init_constructor,
43 gimplify_boolean_expr): Likewise.
44 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
45 * varasm.c (array_size_for_constructor): Likewise.
46 * tree-object-size.c (compute_object_offset): Likewise.
48 2006-04-02 Roger Sayle <roger@eyesopen.com>
51 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
52 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
54 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
56 PR tree-optimization/26939
57 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
59 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
61 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
62 at_stmt. Convert the type of operands before calling
63 build_polynomial_chrec.
64 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
66 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
67 (instantiate_parameters_1): Convert the type of operands before calling
68 build_polynomial_chrec.
69 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
70 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
71 reset_evolution_in_loop): Insert asserts to check the types of the
73 (chrec_type): Moved...
74 (eq_evolutions_p): Use operand_equal_p.
75 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
76 the types of the operands.
77 (chrec_type): ...here.
78 * tree-data-ref.c (create_data_ref): Convert the operands before
79 calling chrec_replace_initial_condition.
80 (same_access_functions, analyze_subscript_affine_affine,
81 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
82 (compute_subscript_distance, analyze_ziv_subscript,
83 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
84 analyze_miv_subscript): Convert the operands before calling
85 chrec_fold_minus or chrec_fold_plus.
87 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
89 * tree-data-ref.c (compute_all_dependences): Use a pointer to
90 the dependence_relations vector.
91 (compute_data_dependences_for_loop): Adjust call to
92 compute_all_dependences.
94 2006-04-01 Roger Sayle <roger@eyesopen.com>
95 Richard Henderson <rth@redhat.com>
97 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
98 gimple_boolify on the condition before calling gimplify_expr.
100 2006-03-31 Bob Wilson <bob.wilson@acm.org>
102 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
103 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
104 the frame size. Update to use the new macros.
105 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
106 * config/xtensa/ieee754-df.S: Likewise.
108 2006-03-31 Richard Henderson <rth@redhat.com>
110 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
111 (make_edges): ... here. Control fallthru creation with a local
112 variable. Do not play with fake edges.
113 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
114 (make_goto_expr_edges): Don't play with fake edges. Make for_call
117 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
119 * dwarf2.h (DW64_CIE_ID): Define.
120 * dwarf2out.c (DWARF_CIE_ID): Define.
121 (output_call_frame_info): Output 0xffffffff before standard 8-byte
122 length header. Use DWARF_CIE_ID.
123 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
124 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
126 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
128 * config/sh/linux-atomic.asm: New file.
129 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
131 2006-03-31 DJ Delorie <dj@redhat.com>
133 * config/m32c/cond.md: Set condition flags properly throughout.
134 * config/m32c/minmax.md: Likewise.
135 * config/m32c/prologue.md: Likewise.
136 * config/m32c/bitops.md: Likewise.
137 * config/m32c/muldiv.md: Likewise.
138 * config/m32c/mov.md: Likewise.
139 * config/m32c/addsub.md: Likewise.
140 * config/m32c/m32c.md: Likewise.
141 * config/m32c/jump.md: Likewise.
142 * config/m32c/shift.md: Likewise.
144 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
145 conditionally output the pattern for this.
146 * config/m32c/m32c.c (flags_needed_for_conditional): New.
147 (m32c_compare_redundant): New.
148 (m32c_output_compare): New.
149 * config/m32c/m32c-protos.h (m32c_output_compare): New.
151 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
152 dest, not src. Allow other 4-byte modes.
154 2006-03-30 Denis Chertykov <denisc@overta.ru>
156 * doc/md.texi: Refer to avr/constraints.md instead of
159 2006-03-30 Roger Sayle <roger@eyesopen.com>
161 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
162 signed vs. unsigned comparison failures on some hosts.
164 2006-03-31 Alan Modra <amodra@bigpond.net.au>
167 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
168 change to FLOAT_REGS.
170 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
171 (rs6000_override_options): Use it.
172 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
173 only for -mabi=spe/no-spe and -mabi=altivec.
175 2006-03-30 Geoffrey Keating <geoffk@apple.com>
177 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
180 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
182 * Makefile.in: Rename docdir to gcc_docdir.
184 2006-03-30 Roger Sayle <roger@eyesopen.com>
187 * expr.c (emit_group_store): Optimize group stores into a pseudo
188 register by using a paradoxical subreg to initialize the destination
189 if the first or last member of the group specifies a "low part".
191 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
194 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
195 * target.h (struct gcc_target.speculate_insn): Change type of the
196 second parameter to 'int'.
197 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
198 the second operand of the DEPS_LIST.
199 (copy_DEPS_LIST_list): Update reference to the second operand of the
201 * rtl.h (alloc_DEPS_LIST): Update signature.
202 * sched-int.h (ds_t): Change typedef to 'int'.
203 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
205 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
207 * haifa-sched.c (try_ready): Change condition to restore
208 non-speculative pattern of the instruction.
209 (process_insn_depend_be_in_spec): Code to keep probability of the
210 speculative dependence non-decreasing.
212 2006-03-30 Jie Zhang <jie.zhang@analog.com>
214 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
215 (single_move_for_movmem): ... this. Also change all uses.
216 (bfin_expand_strmov): Renamed to...
217 (bfin_expand_movmem): ... this. Also change all uses.
218 * config/bfin/bfin.md (movstrsi): Renamed to...
221 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
223 PR tree-optimization/26830
225 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
226 (copy_prop_visit_stmt): Remove write-only variable ann.
227 (init_copy_prop): Check variable loop depth here. Do not simulate
228 memory-tag and virtual operand PHIs except for store copy prop.
230 2006-03-30 Richard Guenther <rguenther@suse.de>
232 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
233 variants with double arguments.
235 2006-03-29 David Edelsohn <edelsohn@gnu.org>
237 * genpreds.c (write_tm_constrs_h): Delete variable p.
238 * genconditions.c (write_header): Add tm-constrs.h to included
240 * genpeep.c (main): Add toplev.h to included headers.
241 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
242 (build/genpeep.o): Add toplev.h dependency.
243 * config/rs6000/constraints.md: Add "W" constraint.
245 2006-03-29 Roger Sayle <roger@eyesopen.com>
247 * stor-layout.c (mode_for_size_tree): Remove restiction on type
248 sizes by correctly testing whether the size fits a host integer.
249 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
250 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
251 SImode range for the default sizetype and bitsizetype.
253 2006-03-29 Roger Sayle <roger@eyesopen.com>
255 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
256 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
257 quickly if the argument is already of the correct type.
258 Call fold_build1 instead of build1. Tidy up blank lines.
260 2006-03-29 David Edelsohn <edelsohn@gnu.org>
262 * genemit.c (main): Add tm-constrs.h to included headers.
263 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
264 * genpeep.c (main): Add tm-constrs.h to included headers.
265 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
266 (write_tm_constrs_h): this and write complete file.
267 (write_tm_preds_h): Do not emit satisfies_constraint fns.
268 (write_insn_preds_c): Add tm-constrs.h to included headers.
269 (gen_constrs): New variable.
270 (parse_option): Parse "-c".
271 (main): Invoke write_tm_constrs_h.
272 * genrecog.c (write_header): Add tm-constrs.h to included headers.
273 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
274 (object_out_file): Add tm-constrs.h dependency.
276 (insn-output.o): Same.
278 (insn-preds.o): Same.
279 (insn-recog.o): Same.
280 (tm-constsr.h): New target.
281 (s-constrs-h): New target.
283 * config/rs6000/constraints.md: New file.
284 * config/rs6000/rs6000.c: Include tm-constrs.h.
285 (num_insn_constant_wide): Convert to satisfies_constraint.
286 (rs6000_rtx_costs): Convert to satisfies_constraint.
287 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
288 (CONST_OK_FOR_LETTER_P): Delete.
289 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
290 (EXTRA_CONSTRAINT): Delete.
291 (EXTRA_MEMORY_CONSTRAINT): Delete.
292 (EXTRA_ADDRESS_CONSTRAINT): Delete.
293 * config/rs6000/predicates.md: Convert to satisfies_constraint.
294 * config/rs6000/rs6000.md: Include constraints.md. Convert to
295 satisfies_constraint.
297 * config/i386/i386.c: Include tm-constrs.h.
299 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
301 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
302 * tree-data-ref.c (find_data_references_in_loop,
303 compute_data_dependences_for_loop): Use pointers to VEC.
304 (analyze_all_data_dependences): Adjust calls.
305 * tree-data-ref.h (find_data_references_in_loop,
306 compute_data_dependences_for_loop): Adjust declarations.
307 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
308 compute_data_dependences_for_loop.
310 2006-03-29 Paul Brook <paul@codesourcery.com>
312 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
315 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
317 PR tree-optimization/26859
318 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
320 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
321 for the step after fold_convert.
323 2006-03-29 Paul Brook <paul@codesourcery.com>
325 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
326 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
328 2006-03-29 Paul Brook <paul@codesourcery.com>
331 * targhooks.c (default_narrow_bitfield): New fuction.
332 * targhooks.h (default_narrow_bitfield): add prototype.
333 * target.h (gcc_target): Add narrow_volatile_bitfield.
334 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
335 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
336 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
337 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
339 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
341 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
343 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
344 (NR_C_MODES): Add TDmode, DDmode and SDmode.
345 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
346 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
347 (s390_function_arg_float): Allow SDmode and DDmode values to be
348 passed in floating point registers.
349 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
350 check with SCALAR_FLOAT_MODE_P.
351 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
353 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
355 PR tree-optimization/25985
356 * tree-ssa-loop-niter.c (number_of_iterations_le,
357 number_of_iterations_ne): Make comments more precise.
358 (number_of_iterations_cond): Add only_exit argument. Use the
359 fact that signed variables do not overflow only when only_exit
361 (loop_only_exit_p): New.
362 (number_of_iterations_exit): Pass result of loop_only_exit_p to
363 number_of_iterations_cond.
365 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
367 PR tree-optimization/26643
368 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
371 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
373 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
374 (divsi3_i4_int): Likewise.
376 2006-03-28 Roger Sayle <roger@eyesopen.com>
378 * expr.c (emit_group_store): Only create a new pseudo reg if the
379 quantity it needs to hold isn't already a suitable pseudo.
381 2006-03-28 Jeff Law <law@redhat.com>
383 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
384 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
386 2006-03-28 Roger Sayle <roger@eyesopen.com>
388 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
389 the equivalent ~X & Y, and the symmetry related transformations.
390 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
391 ~X & Y, and symmetry related transforms.
393 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
395 Revert my 2006-03-27 patches.
397 2006-03-28 Roger Sayle <roger@eyesopen.com>
399 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
400 ~(T1)X, when T1 and T2 are integer types of the same precision
401 and (T2)X isn't an extension.
403 2006-03-28 Jeff Law <law@redhat.com>
405 PR tree-optimization/26796
406 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
407 need EH edge cleanups rather than purging them immediately.
408 (eliminate_degenerate_phis): Handle queued EH cleanups.
410 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
412 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
415 2006-03-27 Roger Sayle <roger@eyesopen.com>
418 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
419 cast BIT_NOT_EXPR operand to the correct type.
421 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
423 * tree-loop-linear.c: Don't include varray.h.
424 (gather_interchange_stats, try_interchange_loops,
425 linear_transform_loops): Use VEC instead of VARRAY.
426 * lambda-mat.c: Don't include varray.h.
427 * tree-chrec.c: Same.
428 * lambda-trans.c: Same.
429 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
430 VEC instead of VARRAY.
431 * tree-vectorizer.h: Idem.
432 * tree-data-ref.c (dump_data_references,
433 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
434 initialize_data_dependence_relation, finalize_ddr_dependent,
435 compute_all_dependences, find_data_references_in_loop,
436 compute_data_dependences_for_loop, analyze_all_data_dependences,
437 free_dependence_relation, free_dependence_relations,
438 free_data_refs): Idem.
439 * tree-data-ref.h (data_reference_p, subscript_p): New.
440 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
441 VEC instead of VARRAY.
442 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
443 (find_data_references_in_loop, compute_data_dependences_for_loop,
444 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
445 dump_data_dependence_relations, free_dependence_relations,
446 free_data_refs): Adjust declaration.
447 (lambda_transform_legal_p): Move declaration here...
448 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
449 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
450 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
451 vect_analyze_data_refs): Use VEC instead of VARRAY.
452 * lambda.h (lambda_transform_legal_p): ...from here.
453 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
454 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
455 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
456 tree-chrec.o): Don't depend on VARRAY_H.
458 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
460 * rtl.def (Copyright): Update date.
461 (DEPS_LIST): Change type of the second operand to 'int'.
462 * target.h (Copyright): Update date.
463 (struct gcc_target.speculate_insn): Change type of the second parameter
465 * lists.c (Copyright): Update date.
466 (alloc_DEPS_LIST): Change signature. Update reference to the second
467 operand of the DEPS_LIST.
468 (copy_DEPS_LIST_list): Update reference to the second operand of the
470 * rtl.h (Copyright): Update date.
471 (alloc_DEPS_LIST): Update signature.
472 * sched-int.h (Copyright): Update date.
473 (ds_t): Change typedef to 'int'.
474 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
476 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
478 * haifa-sched.c (Copyright): Update date.
479 (try_ready): Change condition to restore non-speculative pattern
481 (process_insn_depend_be_in_spec): Code to keep probability of the
482 speculative dependence non-decreasing.
484 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
486 * regrename.c (replace_oldest_value_addr): Initialize a variable to
487 shut up the compiler.
489 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
491 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
492 to use lib prefix for target.
493 ($(T)libic_invalidate_array_4-200.a): Likewise.
494 ($(T)libic_invalidate_array_4a.a): Likewise.
496 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
497 J"orn Rennecke <joern.rennecke@st.com>
499 * superh.opt: New file.
500 * sh.c (boardtype, osruntime): Remove.
501 * superh.h (SUBTARGET_OPTIONS): Remove.
502 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
504 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
505 arguments with ^ and/or [].
507 * config.gcc (sh-*-*): Add quoting to account for quirk of
509 Replace == with = in enable_incomplete_targets test.
511 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
512 with MASK_LITTLE_ENDIAN.
514 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
515 * config/sh/sh.opt: Added to some comments.
516 * config/sh/superh.h: Removed some chaff.
518 * config/sh/sh.opt: Add m4-[1234]00* options.
519 * config/sh/sh.c (sh_handle_option): Likewise.
520 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
521 (ic_invalidate_array_4-100.o): New rule.
522 ($(T)libic_invalidate_array_4-100.a): Likewise.
523 (ic_invalidate_array_4-200.o): Likewise.
524 ($(T)libic_invalidate_array_4-200.a): Likewise.
525 (ic_invalidate_array_4a.o): Likewise.
526 ($(T)libic_invalidate_array_4a.a): Likewise.
527 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
528 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
530 * config/sh/crt1.asm: Merged in profiling code.
531 * config/sh/superh.h (STARTFILE_SPEC): Override.
532 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
533 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
534 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
536 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
537 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
538 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
540 * sh.opt (mpretend-cmove): New option.
541 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
542 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
543 (movsicc): Add TARGET_PRETEND_CMOVE code.
545 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
547 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
548 s390_class_max_nregs): New function prototypes.
549 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
550 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
551 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
552 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
554 2006-03-26 Geoffrey Keating <geoffk@apple.com>
556 * dwarf2out.c (add_location_or_const_value_attribute): Call
557 tree_add_const_value_attribute if nothing else works.
558 (reference_to_unused): New.
559 (rtl_for_decl_init): Use reference_to_unused to decide whether
560 to output an initializer.
562 2006-03-27 Alan Modra <amodra@bigpond.net.au>
565 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
566 peephole removing spe frob_di_df_2.
568 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
570 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
571 (subscript_dependence_tester_1): Declared.
572 (print_dir_vectors, print_dist_vectors): New.
573 (debug_data_dependence_relation): New.
574 (dump_data_dependence_relation): Print more details.
575 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
576 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
577 (save_dist_v, save_dir_v, add_outer_distances,
578 build_classic_dist_vector_1): New.
579 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
580 Don't test for lambda_vector_lexico_pos.
581 (same_access_functions, add_multivariate_self_dist,
582 add_other_self_distances, dir_from_dist): New.
583 (build_classic_dir_vector): Replace implementation almost identical to
584 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
586 (subscript_dependence_tester_1): New.
587 (subscript_dependence_tester): Handle the lexicographically negative
588 distance vectors by recomputing the dependence relation.
589 (compute_affine_dependence): Remove parameter loop_nest_depth.
590 (compute_self_dependence): Don't call compute_subscript_distance.
591 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
592 Add a parameter for the loop_nest.
593 (find_loop_nest_1, find_loop_nest): New.
594 (compute_data_dependences_for_loop): Compute the loop nest, and give
595 up if the nest is not well formed.
596 * tree-data-ref.h (loop_p): New.
597 (struct data_dependence_relation): Replace size_vect field with
598 loop_nest, a vec of loops.
599 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
600 (DDR_LOOP_NEST): New.
601 (print_dir_vectors, print_dist_vectors,
602 debug_data_dependence_relation): Declared.
603 (index_in_loop_nest): New.
604 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
605 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
608 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
610 * simplify-rtx.c (simplify_relational_operation): Call
611 simplify_relational_operation_1 even if mode is VOIDmode.
613 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
615 PR tree-optimization/26804
616 * tree.h (DECL_CALL_CLOBBERED): New macro.
617 (tree_decl_common): Add call_clobbered_flag.
618 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
619 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
620 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
621 (mark_non_addressable): Ditto.
622 * tree-ssa.c (verify_call_clobbered): New function.
623 (verify_alias_info): Use it.
624 * tree-pass.h (pass_reset_cc_flags): New prototype.
625 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
626 (reset_cc_flags): New function.
627 * passes.c (init_optimization_passes): Call reset_cc_flags after
628 initializing referenced_vars.
630 2006-03-25 Uros Bizjak <uros@kss-loka.si>
631 Roger Sayle <roger@eyesopen.com>
634 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
635 to 1.0 for non-real operands. Implement A / A optimization for
638 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
640 * config/i386/i386.c (size_cost): Correct the comment for
641 cost of storing fp registers.
642 (i386_cost): Likewise.
643 (i486_cost): Likewise.
644 (pentium_cost): Likewise.
645 (pentiumpro_cost): Likewise.
647 (athlon_cost): Likewise.
649 (pentium4_cost): Likewise.
650 (nocona_cost): Likewise.
651 (generic64_cost): Likewise.
652 (generic32_cost): Likewise.
654 2006-03-24 Denis Chertykov <denisc@overta.ru>
656 * config/avr/avr-protos.h (extra_constraint): Delete.
657 (extra_constraint_Q): New declaration.
658 * config/avr/constraints.md: New file.
659 * config/avr/avr.md: Include it.
660 (REG_X, REG_Y, REG_Z, REG_W): New constants.
661 (TMP_REGNO, ZERO_REGNO): Likewise.
662 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
663 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
664 (extra_constraint): Delete.
665 (extra_constraint_Q): Test for memory constraint 'Q'.
666 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
667 (REG_CLASS_FROM_LETTER): Delete.
668 (CONST_OK_FOR_LETTER_P): Delete.
669 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
670 (EXTRA_CONSTRAINT): Delete.
672 (ZERO_REGNO): Delete.
674 2006-03-24 Jeff Law <law@redhat.com>
676 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
677 directly. Call mark_new_vars_to_rename slightly earlier.
679 2006-03-24 Geoffrey Keating <geoffk@apple.com>
681 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
683 (gen_compile_unit_die): Use new language types for Objective-C and
685 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
689 * config/t-darwin (crt3.o): Work around bug 26840.
690 * config/darwin-crt3.c: Rewrite.
691 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
693 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
695 * doc/invoke.texi: Document -femit-class-debug-always
696 * common.opt: Add -femit-class-debug-always.
698 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
700 * config/s390/s390.c (s390_decompose_address): Allow SImode for
701 index and base register.
702 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
703 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
704 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
705 REGNO_OK_FOR_INDEX_P.
706 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
708 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
709 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
710 REG_OK_FOR_BASE_P): Definitions removed.
712 2006-03-24 Jakub Jelinek <jakub@redhat.com>
715 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
716 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
717 set yet or weren't marked as local yet.
719 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
721 * regrename.c (scan_rtx_address): Initialize a variable to shut up
724 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
726 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
727 (rs6000_legitimate_small_data_p): Delete.
728 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
729 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
730 and make static. Add forward declaration. Update uses.
731 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
732 of offsettable_memref_p.
733 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
734 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
736 2006-03-24 Jeff Law <law@redhat.com>
738 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
739 around bug in immediate-use iterator.
741 2006-03-24 Alan Modra <amodra@bigpond.net.au>
744 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
745 or __LITTLE_ENDIAN__.
747 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
749 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
750 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
751 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
752 * config/sh/sh.opt (mdiv=): Amend description.
753 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
754 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
755 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
756 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
757 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
758 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
759 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
760 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
761 TARGET_DIVIDE_CALL_FP.
763 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
765 * haifa-sched.c (choose_ready): Fix type of the local variable.
766 Move local variables. Add comment.
767 (check_reg_live): Change signature. Make callable from debugger.
768 * sched-int.h (check_reg_live): Update signature.
769 * sched-ebb.c (check_reg_live): Update parameters.
770 * sched-rgn.c (check_reg_live): Ditto.
771 (region_head_or_leaf_p): Check pointer before dereferencing.
772 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
773 before reload on optimization levels below 1.
775 2006-03-23 Richard Henderson <rth@redhat.com>
777 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
781 * config/alpha/predicates.md (local_symbolic_operand): Reject
784 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
787 * tree-ssa-pre.c (create_value_expr_from): Don't reject
788 expressions which have overflowed constants.
790 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
792 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
794 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
796 * cfgloopmanip.c (create_loop_notes): Removed.
797 * final.c (final_scan_insn): Do not handle loop notes.
798 * jump.c (squeeze_notes): Ditto.
799 * cfglayout.c (skip_insns_after_block,
800 duplicate_insn_chain): Ditto.
801 * cfgcleanup.c (rest_of_handle_jump2): Do not call
803 * cfgloop.h (create_loop_notes): Declaration removed.
805 2006-03-23 Richard Sandiford <richard@codesourcery.com>
807 * varasm.c (output_constant_pool): Restore fnname and fndecl
809 (assemble_start_function): Adjust call accordingly.
810 (assemble_end_function): Likewise.
812 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
815 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
818 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
820 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
823 * system.h (ICE_EXIT_CODE): New macro.
824 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
825 (diagnostic_action_after_output): Likewise.
826 * gcc.c (fatal_ice): New function.
827 (execute): Use it instead of fatal.
828 (fancy_abort): Likewise.
829 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
831 2006-03-22 Jeff Law <law@redhat.com>
833 * loop-unroll.c (analyze_iv_to_split_insn): Handle
834 iv_analyze_result returning false.
836 2006-03-22 Jie Zhang <jie.zhang@analog.com>
838 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
840 2006-03-22 Richard Henderson <rth@redhat.com>
843 * except.c (duplicate_eh_regions_0): New.
844 (duplicate_eh_region_1): Duplicate the children of the node as
845 well as the node itself. Link them up properly.
846 (duplicate_eh_region_2): Merge into ...
847 (duplicate_eh_regions): ... here. Take copy_region argument, and
848 copy only a sub-tree if asked. Simplify copying and fixup.
849 (eh_region_outer_p): New.
850 * except.h (duplicate_eh_regions): Update decl.
851 (eh_region_outer_p): Declare.
852 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
853 (lower_omp_master): Likewise.
854 (lower_omp_ordered): Likewise.
855 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
856 (move_stmt_r): Use it to remap labels. Handle recursion vs
857 remap_decls_p properly.
858 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
859 (find_outermost_region_in_block): New.
860 (new_label_mapper): New.
861 (move_sese_region_to_fn): Copy eh information to the new function
863 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
865 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
868 2006-03-22 Richard Sandiford <richard@codesourcery.com>
870 * doc/md.texi (-mshared): Mention that -mshared code can be linked
871 into shared libraries.
873 2006-03-22 Richard Sandiford <richard@codesourcery.com>
875 * doc/md.texi: Refer to i386/constraints.md instead of
877 * config/i386/constraints.md: New file, extracted from...
878 * config/i386/predicates.md: ...here.
879 * config/i386/i386.md: Include constraints.md.
881 2006-03-21 Jason Merrill <jason@redhat.com>
883 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
886 * expr.c (init_block_move_fn): Force default visibility.
887 (init_block_clear_fn): Likewise.
888 * builtins.c (expand_builtin_fork_or_exec): Likewise.
889 * targhooks.c (default_external_stack_protect_fail): Likewise.
891 2006-03-21 Richard Sandiford <richard@codesourcery.com>
893 * config/mips/predicates.md (const_call_insn_operand): Allow direct
894 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
895 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
896 Use TARGET_OLDABI instead of !TARGET_NEWABI.
897 (loadgp): Use mips_current_loadgp_style.
898 (loadgp_noshared): New pattern.
899 (sibcall_internal): Use MIPS_CALL.
900 (sibcall_value_internal): Likewise.
901 (sibcall_value_multiple_internal): Likewise.
902 (call_internal): Likewise.
903 (call_value_internal): Likewise.
904 (call_value_multiple_internal): Likewise.
905 (call_split): Use MIPS_CALL and add an 'S' constraint.
906 (call_value_split): Likewise.
907 (call_value_multiple_split): Likewise.
908 * config/mips/mips.opt (-mabicalls): Tweak docstring.
909 (-mshared): New option.
910 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
911 (mips_current_loadgp_style): Declare.
912 * config/mips/mips.c (mips_classify_symbol): Avoid using
913 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
914 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
915 TARGET_ABSOLUTE_ABICALLS.
916 (override_options): Adjust comments. Improve the warning that is
917 issued when -mabicalls and -G are used together.
918 (mips_file_start): Remove comment.
919 (mips_current_loadgp_style): New function.
920 (mips_gnu_local_gp): New variable.
921 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
923 (mips_output_function_prologue): Use mips_current_laodgp_style.
924 (mips_expand_prologue): Call mips_emit_loadgp before emitting
925 the cprestore instruction.
926 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
927 live for TARGET_ABSOLUTE_ABICALLS.
928 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
929 (ASM_SPEC): Pass down -mshared and -mno-shared.
930 (MIPS_CALL): New macro.
931 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
933 * doc/invoke.texi (-mabicalls): Update documentation.
934 (-mshared): Document.
936 2006-03-21 Steve Ellcey <sje@cup.hp.com>
938 * config/ia64/unwind-hpux.c: New file.
939 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
941 2006-03-21 Steve Ellcey <sje@cup.hp.com>
944 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
946 2006-03-21 Jeff Law <law@redhat.com>
948 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
949 type conversions of a VR_VARYING source to a wider type.
951 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
953 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
954 tm_file on Solaris 10 and later.
955 (sparc64-*-solaris2*): Likewise.
956 (sparc-*-solaris2*): Likewise.
957 * config/sol26.h: Rename to config/sol2-6.h.
958 * config/sol2-10.h: New file.
960 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
963 * tree-ssa-pre.c (create_component_ref_by_pieces):
966 2006-03-21 Jakub Jelinek <jakub@redhat.com>
969 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
970 return it immediately.
972 2006-03-21 Michael Matz <matz@suse.de>
974 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
976 (remove_arc, add_arc): Update num_out_arcs member.
977 (set_out_arc_insns_equiv_num): Returns nothing instead of number
979 (cache_presence): New function.
980 (compare_states_for_equiv): New function.
981 (state_is_differed): Don't take number of outargs, adjust callers.
982 Use new invariant for speeding up.
983 (init_equiv_class): Create initial classes based on sorted
985 (partition_equiv_class): Don't track out_arcs_num.
986 (evaluate_equiv_classes): Call cache_presence on all states and
989 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
991 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
992 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
993 (bfin_valid_reg_p): Test for pseudos explicitly and use only
994 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
996 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
997 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
998 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
999 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1000 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1002 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1003 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1004 (REGNO_REG_CLASS): ARGP is in PREGS.
1005 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1007 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1008 to deal with those addresses.
1009 * addresses.h: New file.
1010 * caller-save.c: Include "addresses.h".
1011 (init_caller_save): Use new base_reg_class function.
1012 * rtl-factoring.c: Include "addresses.h".
1013 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1014 * recog.c: Include "addresses.h".
1015 (preprocess_constraints): Use new base_reg_class function.
1016 * regrename.c: Include "addresses.h".
1017 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1018 functions. Keep track of a new var INDEX_CODE to compute valid
1020 (replace_oldest_value_addr): Likewise.
1021 (replace_oldest_value_mem): Use base_reg_class.
1022 * reload.c: Include "addresses.h".
1023 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1024 (find_reloads): Use new base_reg_class function.
1025 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1026 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1027 all callers and prototype changed.
1028 * reload1.c: Include "addresses.h".
1029 (maybe_fix_stack_asms): Use base_reg_class.
1030 * regclass.c: Include "addresses.h".
1031 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1032 (init_reg_autoinc): Use new base_reg_class function.
1033 (record_reg_classes): Likewise.
1034 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1035 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1036 Use new args to compute necessary class.
1038 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1039 regrename.o, rtl-factoring.o): Update dependencies.
1040 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1041 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1042 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1043 REG_OK_FOR_INDEX_P): Delete documentation.
1045 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1047 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1048 from V7 to V9 for Solaris 7 and above.
1050 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1052 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1053 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1054 argument pointers may not alias any other storage.
1055 * common.opt: Define option -fargument-noalias-anything.
1056 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1057 alias semantics is specified by flag_argument_noalias > 2.
1059 2006-03-20 Jeff Law <law@redhat.com>
1061 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1062 (pass_phi_only_cprop): Declare.
1063 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1065 * tree-ssa-dom.c (degenerate_phi_result): New function.
1066 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1067 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1068 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1069 (eliminate_degenerate_phis): Likewise.
1070 (pass_phi_only_cprop): New pass descriptor.
1071 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1072 support code. Callers updated.
1073 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1074 (store_copy_prop): Likewise.
1075 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1077 2006-03-20 Jason Merrill <jason@redhat.com>
1080 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1081 (push_visibility, pop_visibility): Likewise.
1082 * c-pragma.h: Declare them.
1084 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1086 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1088 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1089 parameter and use get_ebb_head_tail.
1090 (sh_md_init_global): Adjust uses of find_regmode_weight.
1092 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1094 * function.h (struct function) <x_tail_recursion_reentry>:
1095 Rename to x_stack_check_probe_note.
1096 (tail_recursion_reentry): Rename to stack_check_probe_note.
1097 * function.c: Replace tail_recursion_reentry with
1098 stack_check_probe_note everywhere.
1099 (expand_function_start): Only emit a note for
1100 stack_check_probe_note with -fstack-protect.
1101 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1103 * emit-rtl.c (remove_unnecessary_notes): Remove.
1104 (pass_remove_unnecessary_notes): Remove.
1105 * rtl.h (remove_unnecessary_notes): Remove prototype.
1106 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1107 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1108 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1110 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1113 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1114 (valid_in_set): Handle ARRAY_REF.
1115 Change "if min_variant or VH" to asserts.
1116 (create_component_ref_by_pieces): Handle ARRAY_REF.
1117 (create_expression_by_pieces): Likewise.
1118 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1120 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1122 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1123 is operand of switch, not str[0].
1125 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1127 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1128 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1130 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1132 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1133 end of insn_extra_address_constraint declaration.
1135 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1137 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1138 (no-sum-in-toc): Same.
1139 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1141 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1142 NO_FP_IN_TOC for -fPIC instead of mask.
1144 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1145 (BOOT_LDFLAGS): Delete.
1147 * config/rs6000/t-aix52: Same.
1149 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1150 (stmsi[345678]_power): New.
1152 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1154 * config/ia64/ia64.opt: Add empty line to end of file.
1156 2006-03-17 Richard Guenther <rguenther@suse.de>
1159 * builtins.c (get_pointer_alignment): For component style references
1160 adjust alignment to the component type alignment. Make sure
1161 to adjust alignment for component access of constants.
1163 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1165 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1168 2006-03-17 Paul Brook <paul@codesourcery.com>
1170 * doc/install.texi: Docuemnt --with-mode.
1171 * config.gcc: Add --with-mode for arm*-*-*.
1172 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1174 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1176 * sh.c (max_labelno_before_reorg): New variable.
1177 (sh_reorg): Initialize it.
1178 (find_barrier): Check max_labelno_before_reorg before using
1179 label_to_alignment. Take length of explicit alignment insns
1180 into account. When seeing a UNSPECV_CONST_END, return it.
1182 * sh.c (fixup_mova): Set mode of affected label to QImode.
1183 (untangle_mova): New function.
1184 (find_barrier): Use it. Check mode of label before decrementing
1186 (sh_reorg): Likewise.
1187 Set mode of all insns back to VOIDmode.
1189 * sh.c (MOVA_LABELREF): New macro.
1190 (mova_p, fixup_mova, sh_reorg): Use it.
1191 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1192 ADDR_DIFF_VEC matches mova.
1194 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1196 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1197 with ATTRIBUTE_UNUSED.
1199 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1201 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1202 pointer, instead of assuming it is possible to derive the
1203 correct args size from a call insn.
1205 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1207 * rtl.h (CONST_INT_P): Define.
1208 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1209 instead of GET_CODE(x) == CONST_INT.
1210 (vax_rtx_costs): Likewise.
1211 (vax_output_int_move): Likewise.
1212 (vax_output_int_add): Likewise.
1213 (legitimate_constant_address_p): Likewise.
1214 (index_term_p): Likewise.
1215 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1216 * config/vax/vax.md (and<mode>3): Likewise.
1217 (ashrsi3): Likewise.
1219 (movstricthi): Likewise.
1220 (movstrictqi): Likewise.
1221 (rotrsi3): Likewise.
1222 (five unnamed insns): Likewise.
1224 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1226 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1227 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1228 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1229 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1230 Pass to ASM_OUTPUT_DWARF_OFFSET.
1231 * dwarf2out.c (debug_frame_section): New.
1232 (output_call_frame_info): Use debug_frame_section. Pass it to
1233 dw2_asm_output_offset.
1234 (output_die): Pass appropriate section to dw2_asm_output_offset.
1235 (output_compilation_unit_header): Likewise.
1236 (output_pubnames): Likewise.
1237 (output_aranges): Likewise.
1238 (enum dw_val_class): Break dw_val_class_lbl_offset into
1239 dw_val_class_lineptr and dw_val_class_macptr.
1240 (add_AT_lbl_offset): Delete.
1241 (add_AT_lineptr): New.
1242 (add_AT_macptr): New.
1243 (AT_lbl): Expect a lineptr or macptr.
1244 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1245 (attr_checksum): Likewise.
1246 (same_dw_val_p): Likewise.
1247 (size_of_die): Likewise.
1248 (value_format): Likewise.
1249 (output_die): Likewise.
1250 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1252 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1253 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1254 * config/darwin-protos.h (darwin_file_start): New.
1255 (darwin_asm_output_dwarf_offset): New.
1256 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1257 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1259 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1260 if not EH section; simplify.
1261 (darwin_file_start): New.
1262 (darwin_asm_output_dwarf_offset): New.
1263 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1265 (DEBUG_INFO_SECTION): Likewise.
1266 (DEBUG_ABBREV_SECTION): Likewise.
1267 (DEBUG_ARANGES_SECTION): Likewise.
1268 (DEBUG_MACINFO_SECTION): Likewise.
1269 (DEBUG_LINE_SECTION): Likewise.
1270 (DEBUG_LOC_SECTION): Likewise.
1271 (DEBUG_PUBNAMES_SECTION): Likewise.
1272 (DEBUG_STR_SECTION): Likewise.
1273 (DEBUG_RANGES_SECTION): Likewise.
1274 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1275 (ASM_OUTPUT_DWARF_OFFSET): New.
1277 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1279 * config.gcc (tm_defines): Always add to previous value rather
1282 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1284 * config/mips/predicates.md (splittable_const_int_operand): New,
1285 split from move_operand.
1286 (splittable_symbolic_operand): New.
1287 (move_operand): Add commentary. Use splittable_const_int_operand.
1288 Inline mips_atomic_symbolic_constant_p.
1289 * config/mips/mips.md: Add combine splitters for handling moves
1290 of splittable_const_int_operands and splittable_symbolic_operands.
1291 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1292 (mips_split_symbol): Declare.
1293 (mips_move_integer): Declare.
1294 * config/mips/mips.c (mips_split_p): Make global.
1295 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1296 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1297 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1298 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1299 (mips_offset_within_object_p): Handle block symbols.
1300 (mips_atomic_symbolic_constant_p): Delete.
1301 (mips_cannot_force_const_mem): Return false for constants that
1302 mips_legitimize_move can handle.
1303 (mips_use_blocks_for_constant_p): New function.
1304 (mips_split_symbol): Make global.
1305 (mips_move_integer): Likewise. Add a temporary register argument.
1306 (mips_legitimize_const_move): Use splittable_const_int_operand and
1307 splittable_symbolic_operand.
1308 (mips_use_anchors_for_symbol_p): New function.
1309 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1310 (mips_split_p): Declare.
1312 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1314 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1315 (mips*-*-linux*): Likewise.
1317 2006-03-16 Roger Sayle <roger@eyesopen.com>
1318 Daniel Speyer <dspeyer@wam.umd.edu>
1321 * tree-dump.c (dump_real): New function.
1322 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1323 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1324 (tree-dump.o): Add $(REAL_H) to the dependencies.
1326 2006-03-16 Roger Sayle <roger@eyesopen.com>
1329 * real.c (real_from_string): If the mantissa is zero, don't bother
1330 parsing the exponent as the result should always be zero.
1332 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1334 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1336 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1338 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1339 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1340 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1341 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1342 ia64_sched_finish_global): New static functions to implement
1343 hooks from gcc_target.sched.
1344 (spec_check_no, max_uid, pending_data_specs): New static variables.
1345 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1346 ia64_spec_check_src_p): New static functions.
1347 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1348 (TARGET_SCHED_ADJUST_COST): Removed.
1349 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1350 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1351 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1352 TARGET_SCHED_GEN_CHECK,
1353 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1354 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1355 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1356 Fixed to handle speculation checks.
1357 (rtx_needs_barrier): Fixed to handle speculative loads and
1359 (ia64_variable_issue): Added code to count speculative loads and their
1361 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1363 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1365 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1367 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1368 (ia64_reorg): Reset stops_p to NULL after it is freed.
1369 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1370 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1371 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1373 (data_speculative, control_speculative, check_load): New attributes.
1374 (mov<mode>_advanced, mov<mode>_speculative,
1375 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1376 zero_extend<mode>di2_speculative,
1377 zero_extend<mode>di2_speculative_advanced): New patterns for
1378 data and control speculative loads.
1379 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1381 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1382 New pattern for data and control speculation checks.
1383 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1384 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1385 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1386 Auxiliary definitions for the patterns.
1387 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1388 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1390 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1392 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1393 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1394 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1395 New resource constraints.
1396 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1398 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1399 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1400 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1401 msched-in-control-spec, msched-ldc, msched-control-ldc,
1402 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1403 msched-prefer-non-control-spec-insns,
1404 msched-count-spec-in-critical-path): New flags to tune speculative
1406 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1407 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1408 msched-in-control-spec, msched-ldc, msched-control-ldc,
1409 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1410 msched-prefer-non-control-spec-insns,
1411 msched-count-spec-in-critical-path): Document new flags.
1413 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1415 * target.h (struct spec_info_def): New opaque declaration.
1416 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1417 speculate_insn, needs_block_p, gen_check,
1418 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1419 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1420 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1421 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1422 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1423 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1425 (TARGET_SCHED): Use new macros.
1426 * rtl.h (copy_DEPS_LIST_list): New prototype.
1427 * sched-int.h (struct sched_info): Change signature of new_ready field,
1428 adjust all initializations. New fields: add_remove_insn,
1429 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1430 region_head_or_leaf_p.
1431 (struct spec_info_def): New structure declaration.
1432 (spec_info_t): New typedef.
1433 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1434 recovery_block, orig_pat.
1435 (glat_start, glat_end): New variables declaraions.
1436 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1438 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1439 DETACH_LIFE_INFO, USE_GLAT.
1440 (enum SPEC_SCHED_FLAGS): New enumeration.
1441 (NOTE_NOTE_BB_P): New macro.
1442 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1443 attach_life_info, debug_spec_status, check_reg_live): New functions.
1444 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1445 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1447 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1448 * ddg.c (get_block_head_tail): Adjust all uses.
1449 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1450 (sms_sched_info): Initialize new fields.
1451 (contributes_to_priority): Removed.
1452 * haifa-sched.c (params.h): New include.
1453 (get_block_head_tail): Adjust all uses.
1454 (ISSUE_POINTS): New macro.
1455 (glat_start, glat_end): New global variables.
1456 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1457 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1458 old_last_basic_block, before_recovery, current_sched_info_var,
1459 rgn_n_insns, luid): New static variables.
1460 (insn_cost1): New function. Move logic from insn_cost to here.
1461 (find_insn_reg_weight1): New function. Move logic from
1462 find_insn_reg_weight to here.
1463 (reemit_notes, move_insn, max_issue): Change signature.
1464 (move_insn1): Removed.
1465 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1466 extend_bb): New static functions to support extension of scheduler's
1468 (generate_recovery_code, process_insn_depend_be_in_spec,
1469 begin_speculative_block, add_to_speculative_block,
1470 init_before_recovery, create_recovery_block, create_check_block_twin,
1471 fix_recovery_deps): New static functions to support
1472 generation of recovery code.
1473 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1474 restore_bb_notes, move_block_after_check, move_succs): New static
1475 functions to support ebb scheduling.
1476 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1477 functions to support handling of register live information.
1478 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1479 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1480 add_jump_dependencies): New static functions.
1481 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1482 consistancy checking.
1483 (debug_spec_status): New function to call from debugger.
1484 (priority): Added code to handle speculation checks.
1485 (rank_for_schedule): Added code to distinguish speculative instructions.
1486 (schedule_insn): Added code to handle speculation checks.
1487 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1488 Fixed to handle ebbs.
1489 (move_insn): Added code to handle ebb scheduling.
1490 (max_issue): Added code to use ISSUE_POINTS of instructions.
1491 (choose_ready): Added code to choose between speculative and
1492 non-speculative instructions.
1493 (schedule_block): Added code to handle ebb scheduling and scheduling of
1494 speculative instructions.
1495 (sched_init): Initialize new variables.
1496 (sched_finish): Free new variables. Print statistics.
1497 (try_ready): Added code to handle speculative instructions.
1498 * lists.c (copy_DEPS_LIST_list): New function.
1499 * sched-deps.c (extend_dependency_caches): New function. Move logic
1500 from create_dependency_caches to here.
1501 (get_dep_weak, ds_merge): Make global.
1502 * genattr.c (main): Code to output prototype for
1503 dfa_clear_single_insn_cache.
1504 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1505 (output_dfa_clean_insn_cache_func): Code to output
1506 dfa_clear_single_insn_cache function.
1507 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1509 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1511 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1512 New static variables.
1513 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1514 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1516 (ebb_sched_info): Initialize new fields.
1517 (get_block_head_tail): Adjust all uses.
1518 (compute_jump_reg_dependencies): Fixed to use glat_start.
1519 (schedule_ebb): Code to remove unreachable last block.
1520 (schedule_ebbs): Added code to update register live information.
1521 * sched-rgn.c (region_sched_info): Initialize new fields.
1522 (get_block_head_tail): Adjust all uses.
1523 (last_was_jump): Removed. Adjust users.
1524 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1525 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1526 Implement new hooks.
1527 (check_dead_notes1): New static function.
1528 (struct region): New fields: dont_calc_deps, has_real_ebb.
1529 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1530 (BB_TO_BLOCK): Fixed to handle EBBs.
1531 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1532 (ebb_head): New static variable.
1533 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1534 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1536 (compute_dom_prob_ps): New assertion.
1537 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1538 global_live_at_start.
1539 (init_ready_list): New assertions.
1540 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1541 (new_ready): Add support for BEGIN_CONTROL speculation.
1542 (schedule_insns): Fixed code that updates register live information
1544 (schedule_region): Fixed to handle EBBs.
1545 (init_regions): Use extend_regions and check_dead_notes1.
1546 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1547 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1548 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1549 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1550 TARGET_SCHED_GEN_CHECK,
1551 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1552 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1553 * doc/invoke.texi (max-sched-insn-conflict-delay,
1554 sched-spec-prob-cutoff): Document.
1556 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1558 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
1559 inter_tick, queue_index.
1560 (struct sched_info): Change signature of init_ready_list field.
1561 Adjust all initializations.
1562 (RESOLVED_DEPS): New access macro.
1563 (ready_add): Remove prototype.
1564 (try_ready): Add prototype.
1565 * sched-rgn.c (init_ready_list): Use try_ready.
1566 (schedule_region): Initialize
1567 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
1568 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
1569 (init_ready_list): Use try_ready.
1570 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
1571 * lists.c (remove_list_elem): Remove `static'.
1572 (remove_free_INSN_LIST_elem): New function.
1573 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
1574 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
1575 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
1577 (readyp): New variable.
1578 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
1579 change_queue_index, resolve_dep): New static functions.
1580 (try_ready): New function. Adjust callers in sched-rgn.c and
1581 sched-ebb.c to use it instead of ready_add.
1582 (clock_var): Move at the begining of file.
1583 (rank_for_schedule): Fix typo.
1584 (queue_insn): Add assertion. Handle QUEUE_INDEX.
1585 (ready_lastpos): Enforce assertion.
1586 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
1588 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
1589 (schedule_insn): Rewrite to use try_ready and resolve_dep.
1590 (queue_to_ready): Use free_INSN_LIST_list.
1591 (early_queue_to_ready): Fix typo.
1592 (schedule_block): Init readyp. Move init_ready_list call after the
1593 initialization of clock_var. Fix error in rejecting insn by
1594 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
1595 that previously corrected INSN_TICKs. Add code for handling
1597 (set_priorities): Fix typo.
1598 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
1599 Clarify comment and code that keeps current_sched_info->next_tail
1602 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1604 * sched-rgn.c (extend_rgns): New static function.
1605 (find_rgns): Use it.
1606 (gather_region_statistics, print_region_statistics): New static
1608 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
1609 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1611 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1612 Andrey Belevantsev <abel@ispras.ru>
1614 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
1615 * lists.c (unused_deps_list): New variable.
1616 (free_list): Add assertions to verify the proper distinguishing
1617 between INSN_LISTs and DEPS_LISTs.
1618 (find_list_elem, remove_list_elem, remove_list_node): New static
1620 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
1621 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
1622 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
1623 (alloc_INSN_LIST): Assert that the list we're working on is indeed
1625 (free_INSN_LIST_node): Likewise.
1626 * modulo-sched.c (current_sched_info): Initialize flags field.
1627 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
1628 * rtl.def (DEPS_LIST): Define.
1629 * rtl.h: Declare new functions from lists.c.
1630 * sched-deps.c (spec_dependency_cache): New static variable.
1631 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
1632 (add_dependence): Change return type to void. Move the logic to ...
1633 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
1634 (delete_all_dependences): Add comment about forward_dependency_cache.
1635 Handle spec_dependency_cache. Handle DEPS_LISTs.
1636 (fixup_sched_groups): Clarify the change of priority of output
1637 and anti dependencies.
1638 (sched_analyze_2): Adjust add_dependence calls to create data
1639 speculative dependence.
1640 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
1641 Adjust all callers. Handle DEPS_LISTS.
1642 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
1643 presence of speculation.
1644 (init_dependency_caches, free_dependency_caches):
1645 Handle spec_dependency_cache.
1646 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
1647 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
1648 New static functions.
1649 (add_or_update_back_dep, add_or_update_back_forw_dep,
1650 add_back_forw_dep, delete_back_forw_dep): New functions.
1651 * sched-int.h (ds_t, dw_t): New typedefs.
1652 (struct sched_info): Add new field flags.
1653 (struct haifa_insn_data): Add new bitfield has_internal_dep.
1654 Prototype new sched-deps.c functions.
1655 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
1656 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
1657 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
1658 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
1659 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
1660 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
1662 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
1664 * sched-rgn.c (current_sched_info): Initialize flags field.
1665 (schedule_insns): Initialize current_sched_info before the sched_init
1667 * sched-ebb.c (current_sched_info): Initialize flags field.
1668 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
1669 Call add_or_update_back_dep instead of add_dependence.
1670 Create control speculative dependencies.
1671 (schedule_insns): Initialize current_sched_info before the sched_init
1674 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
1676 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
1678 (sh_fallback_frame_state): Likewise.
1680 2006-03-15 Geoffrey Keating <geoffk@apple.com>
1682 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
1683 Do switch on default_use_cxa_atexit.
1684 (powerpc*-*-darwin*): Build crt2.o on powerpc.
1685 * config/darwin-crt3.o: New.
1686 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
1687 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
1688 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
1690 * config/rs6000/t-darwin: Move crt2.o building to here.
1691 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
1692 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
1695 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1697 * config/vax/vax.c (nonindexed_address_p): Change logical negation
1698 from '! xxx' to '!xxx' for coding-style conformance.
1699 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
1700 (EXTRA_CONSTRAINT): Likewise.
1701 * config/vax/vax.md (four unnamed insns): Likewise.
1703 2006-03-15 Paul Brook <paul@codesourcery.com>
1705 * config/arm/arm.c (minipool_pad): New.
1706 (add_minipool_forward_ref): Include pool alignment padding in address
1708 (push_minipool_fix): Set minipool_pad.
1709 (minipool_pad): Ditto.
1711 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1713 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
1714 instead of GET_CODE() == MEM and REG_P() instead of
1716 (print_operand_address): Likewise.
1717 (vax_address_cost): Likewise.
1718 (vax_rtx_costs): Likewise.
1719 (vax_notice_update_cc): Likewise.
1720 (vax_output_int_add): Likewise.
1721 (INDEX_REGISTER_P): Likewise.
1722 (BASE_REGISTER_P): Likewise.
1723 (nonindexed_address_p): Likewise.
1724 (vax_mode_dependent_address_p): Likewise.
1725 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
1726 (PRINT_OPERAND): Likewise.
1727 * config/vax/vax.md (ashlsi3): Likewise.
1728 (ashlsi3): Likewise.
1729 (some more unnamed insns): Likewise.
1731 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
1733 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
1734 iterator-style macro.
1735 (mark_control_dependent_edges_necessary): Update the use of
1736 EXECUTE_IF_CONTROL_DEPENDENT.
1738 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
1740 * config/sh/predicates.md (cache_address_operand): Special.
1741 (ua_address_operand): Likewise.
1743 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
1745 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
1747 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
1749 2006-03-15 Andreas Schwab <schwab@suse.de>
1751 * gensupport.c (identify_predicable_attribute): Don't free p_false
1752 when it is still in use.
1754 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1756 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
1757 the default setting here.
1759 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
1761 * tree-pass.h (pass_cfg): Remove.
1762 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
1763 * passes.c (pass_cfg): Don't run it.
1765 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
1767 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
1768 * reg-stack.c (stack_regs_mentioned_data): Change the type to
1770 (stack_regs_mentioned): Update the uses of
1771 stack_regs_mentioned_data. Don't access the array beyond its
1773 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
1774 Don't include gt-reg-stack.h.
1776 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
1777 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
1779 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
1782 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
1785 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1787 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
1789 2006-03-14 Richard Guenther <rguenther@suse.de>
1791 PR tree-optimization/26672
1792 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
1795 2006-03-14 Richard Guenther <rguenther@suse.de>
1797 PR tree-optimization/26667
1798 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
1799 node for the callees. Always allow inlining if it will shrink
1802 2006-03-14 Richard Guenther <rguenther@suse.de>
1805 * builtins.c (get_pointer_alignment): Prefer alignment
1806 information from decls over that from types.
1808 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
1811 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
1813 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
1815 * config/rs6000/rs6000.opt (mdlmzb): New option.
1816 (msched-prolog, msched-epilog): Use Var not Mask.
1817 * doc/invoke.texi (-mdlmzb): Document.
1818 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1820 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
1821 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
1823 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
1825 PR rtl-optimization/25739
1826 * bt-load.c (augment_live_range): Free tos pointer.
1828 * gensupport.c (identify_predicable_attribute): Free
1830 * gcov.c (create_file_names): Free name pointer.
1832 2006-03-13 Roger Sayle <roger@eyesopen.com>
1835 * stmt.c (emit_case_nodes): Handle the case where the index is a
1836 CONST_INT, where the comparison mode is specified by the index type.
1838 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1840 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
1843 2006-03-13 Richard Sandiford <richard@codesourcery.com>
1845 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
1846 (*branch_fp_inverted): Likewise.
1848 2006-03-13 Jakub Jelinek <jakub@redhat.com>
1851 * omp-low.c (expand_omp_for_generic): Mark istart0
1852 and iend0 as addressable.
1854 2006-03-13 Jie Zhang <jie.zhang@analog.com>
1856 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
1858 2006-03-13 Jeff Law <law@redhat.com>
1860 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
1861 virtual operands are interesting.
1862 (vrp_visit_stmt): Corresponding changes.
1864 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
1866 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
1868 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
1869 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
1870 * config/bfin/crti.S: Use it instead of __PIC__.
1871 * config/bfin/crtn.S: Likewise.
1873 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
1874 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
1876 Lose 'G' modifier for call operand.
1877 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
1878 recognize 'G' modifier.
1880 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
1883 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
1884 * stmt.c (expand_case): Likewise.
1886 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1888 PR rtl-optimization/26254
1889 * loop-invariant.c (seq_insns_valid_p): New function.
1890 (move_invariant_reg): Only emit new code if it is valid.
1892 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1894 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
1896 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
1897 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
1898 (commit_one_edge_insertion): Do not look for loop notes.
1900 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1902 * jump.c (follow_jumps): Do not check for loop notes. Move check for
1903 flag_test_coverage out of loop.
1905 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1907 * final.c (shorten_branches): Remove outdated comment, and turn
1908 the if branch that guards it to continue.
1910 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1912 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
1913 * cfgloop.h (struct loop): Remove unused fields.
1915 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
1917 * doc/invoke.texi (-fdump-rtl-loop): Remove.
1918 (-dL, -fdump-rtl-loop2): Update the dump file names
1920 * doc/invoke.texi: Update dump file names.
1922 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
1924 * predict.c (estimate_probability): Remove.
1925 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
1926 * basic-block.h (estimate_probability): Remove prototype.
1927 * passes.c (finish_optimization_passes): Dump branch prediction or
1928 profiling heuristics to the .profile tree dump.
1929 (init_optimization_passes): Unqueue pass_branch_prob.
1931 * doc/invoke.texi (-fdump-rtl-bp): Remove.
1933 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1935 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
1936 * rtl.h (LABEL_NEXTREF): Remove field accessor.
1938 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
1940 * function.h (frame_offset_overflow): Declare.
1941 * function.c (frame_offset_overflow): New function.
1942 (assign_stack_local_1): Call it to detect that the offset overflows.
1943 * cfgexpand.c (alloc_stack_frame_space): Likewise.
1945 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1947 * config/sh/sh.c: Include alloc-pool.h.
1948 (label_ref_list_pool): New alloc pool.
1949 (label_ref_list_t): New type for lists of labels.
1950 (struct pool_node): Make wend a label_ref_list_t.
1951 (add_constant): Use the new type, eradicate LABEL_NEXTREF
1953 (dump_table): Likewise.
1954 (sh_reorg): Set up the alloc pool before using add_constant and
1955 dump_table, and destroy it when finishing.
1957 2006-03-11 Richard Sandiford <richard@codesourcery.com>
1959 * config/mips/mips.c: Remove redundant comment.
1961 2006-03-10 Jason Merrill <jason@redhat.com>
1964 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
1965 the target was declared 'register'.
1967 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
1969 * genpreds.c (write_insn_constraint_len): Change definition of
1970 insn_constraint_len to return size_t to match the declaration.
1972 2006-03-10 DJ Delorie <dj@redhat.com>
1974 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
1976 (m32c_expand_insv): Fix test for an AND mask.
1978 2006-03-10 Richard Guenther <rguenther@suse.de>
1981 * builtins.c (get_pointer_alignment): Handle component
1982 references for field alignment.
1984 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1986 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
1987 when building with libgloss.
1988 (sh*elf): Implement --without-fp option.
1989 (sh64-superh-linux*): Don't multilib.
1991 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1993 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
1995 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
1997 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
1998 Set it when one of the replacement functions returned true.
1999 Return TODO_cleanup_cfg if cfgchanged is true.
2000 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2002 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2004 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2005 instead of gen_lowpart.
2007 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2009 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2011 (mips_output_order_conditional_branch): Declare.
2012 * config/mips/mips.h (MIPS_BRANCH): New macro.
2013 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2014 for the comparison. Use gen_condjump.
2015 (mips_output_conditional_branch): Rework interface to take the
2016 asm templates for a direct branch and the inverse of a direct branch.
2017 (mips_output_order_conditional_branch): New function.
2018 (mips_builtin_branch_and_move): New function.
2019 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2020 branch condition. Use gen_single_cc as the condition for
2021 __builtin_mips_upper_* or __builtin_mips_lower_*.
2022 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2023 Use VOIDmode for the branch condition.
2024 * config/mips/predicates.md (order_operator): New predicate.
2025 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2026 (branch_fp): Rename to...
2027 (*branch_fp): ...this. Remove mode from comparison operator.
2028 Use new mips_output_conditional_branch interface.
2029 (branch_fp_inverted): Rename to...
2030 (*branch_fp_inverted): ...this and update as for *branch_fp.
2031 (*branch_zero<mode>): Rename to...
2032 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2033 Use mips_output_order_conditional_branch. Only accept ordered
2035 (*branch_zero<mode>_inverted): Rename to...
2036 (*branch_order<mode>_inverted): ...this and update as for
2037 *branch_order<mode>.
2038 (*branch_equality<mode>): Accept zero as the second operand to
2039 the equality operator. Use the new mips_output_conditional_branch
2041 (*branch_equality<mode>_inverted): Likewise.
2042 (condjump): New expander.
2043 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2045 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2046 (bc1any2t, bc1any2f): Likewise.
2047 (single_cc): New expander.
2048 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2050 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2052 * doc/md.texi: Update documentation of MIPS constraints.
2053 * config/mips/constraints.md: New file.
2054 * config/mips/mips.md: Include it.
2055 * config/mips/mips.c (mips_char_to_class): Delete.
2056 (override_options): Don't initialize mips_char_to_class.
2057 * config/mips/mips.h (mips_char_to_class): Delete.
2058 (REG_CLASS_FROM_LETTER): Delete.
2059 (CONST_OK_FOR_LETTER_P): Delete.
2060 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2061 (EXTRA_CONSTRAINT_Y): Delete.
2062 (EXTRA_CONSTRAINT_STR): Delete.
2063 (CONSTRAINT_LEN): Delete.
2064 (EXTRA_MEMORY_CONSTRAINT): Delete.
2066 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2068 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2069 original fn's eh regions.
2071 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2073 * fold-const.c (build_range_check): Make sure to use a valid type to
2074 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2077 (range_predecessor): New static function.
2078 (range_successor): Likewise.
2079 (merge_ranges): Use them to compute predecessors and successors of
2082 2006-03-09 Roger Sayle <roger@eyesopen.com>
2085 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2086 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2088 2006-03-08 DJ Delorie <dj@redhat.com>
2090 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2091 (addpsi3): Expand to include memory operands. Remove
2092 reload-specific splits.
2093 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2094 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2095 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2096 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2097 (shift1_qi, shift1_hi, insv): New.
2098 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2099 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2100 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2102 * config/m32c/m32c-protos.h: Update as needed.
2103 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2104 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2105 Fail for unrecognized R* constraints.
2106 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2107 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2108 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2110 (m32c_init_libfuncs): New.
2111 (m32c_legitimate_address_p): Add debug wrapper.
2112 (m32c_rtx_costs): New.
2113 (m32c_address_cost): New.
2114 (conversions): Add 'B' prefix.
2115 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2116 operands, or word regnames for QI operands. 'B' prints bit
2118 (m32c_expand_setmemhi): New.
2119 (m32c_expand_movmemhi): New.
2120 (m32c_expand_movstr): New.
2121 (m32c_expand_cmpstr): New.
2122 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2123 (m32c_expand_neg_mulpsi3): Handle non-ints.
2124 (m32c_cmp_flg_0): New.
2125 (m32c_expand_movcc): New.
2126 (m32c_expand_insv): New.
2127 (m32c_scc_pattern): New.
2128 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2129 a0/a1 out of SIregs.
2130 (STORE_FLAG_VALUE): New.
2131 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2134 * config/m32c/mov.md: Make constraints more liberal.
2135 (zero_extendqihi2): Optimize r0/r1 case.
2136 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2137 * config/m32c/predicates.md (m32c_any_operand): New.
2138 (m32c_nonimmediate_operand): New.
2139 (m32c_hl_operand): New.
2140 (m32c_r3_operand): New.
2143 (memsym_operand): New.
2144 (memimmed_operand): New.
2145 (a_qi_operand): New.
2146 (m32c_eqne_operator): New.
2147 (m32c_1bit8_operand): New.
2148 (m32c_1bit16_operand): New.
2149 (m32c_1mask8_operand): New.
2150 (m32c_1mask16_operand): New.
2151 * config/m32c/blkmov.md: New file.
2152 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2154 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2156 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2157 unsigned to fix signed/unsigned comparison issue in
2158 DWARF2_FRAME_REG_OUT.
2159 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2160 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2162 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2163 of ptr into the ENABLE_CHECKING section.
2165 2006-03-08 Jeff Law <law@redhat.com>
2167 * tree-vrp.c (infer_value_range): Only count pointer uses
2168 and dereferences if -fdelete-null-pointer-checks is enabled.
2170 * tree-vrp.c (find_assert_locations): Infer value ranges for
2171 single use pointers, but do not create ASSERT_EXPRs for them.
2172 When a non-null range is inferred for a pointer, backwards
2173 propagate that range to other equivalent pointers through the
2176 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2179 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2180 language hook targets.
2181 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2182 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2183 if language hook targets were missing.
2185 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2187 * tree-ssa-opfinalize.h: Removed.
2188 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2190 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2191 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2192 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2193 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2194 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2195 finalize_ssa_v_must_def_ops): New.
2197 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2199 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2202 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2204 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2206 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2207 addresses with offsets; reorganize.
2209 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2210 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2211 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2213 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2216 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2218 2006-03-08 Ben Elliston <bje@au.ibm.com>
2220 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2222 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2225 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2228 2006-03-07 Richard Guenther <rguenther@suse.de>
2230 PR tree-optimization/26587
2231 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2233 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2235 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2237 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2239 * hooks.c (hook_bool_mode_rtx_true): New function.
2240 * hooks.h (hook_bool_mode_rtx_true): Declare.
2241 * toplev.c (compile_file): Call output_shared_constant_pool.
2242 * varasm.c (shared_constant_pool): New variable.
2243 (assemble_start_function, assemble_end_function): Remove arguments
2244 from call to output_constant_pool.
2245 (create_constant_pool): New function, split out from...
2246 (init_varasm_status): ...here.
2247 (force_const_mem): Choose between the shared and per-function constant
2248 pools. Set current_function_uses_const_pool when reusing old entries
2249 as well as when creating new ones.
2250 (mark_constant): Ignore data argument.
2251 (mark_constants): Remove pool argument.
2252 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2253 to decide whether the function uses a constant pool.
2254 (output_constant_pool_contents): New function, split out from...
2255 (output_constant_pool): ...here.
2256 (output_shared_constant_pool): New function.
2257 (init_varasm_once): Initialize shared_constant_pool.
2258 * output.h (output_constant_pool): Delete.
2259 (output_shared_constant_pool): Declare.
2260 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2261 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2263 2006-03-06 Nick Clifton <nickc@redhat.com>
2265 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2266 flag_strength_reduce.
2268 2006-03-06 Ben Elliston <bje@au.ibm.com>
2270 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2271 x86_64-*-linux* configurations.
2273 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2274 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2276 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2278 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2280 * basic-block.h: Remove the extern for
2281 rediscover_loops_after_threading.
2283 * cfgloop.c (cancel_loop): Make it static.
2284 * cfgloop.h: Remove the prototype for cancel_loop.
2286 * flow.c (recompute_reg_usage): Make it static.
2287 * rtl.h: Remove the prototype for recompute_reg_usage.
2289 * function.c (use_return_register): Make it static.
2290 * function.h: Remove the prototype.
2292 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2294 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2296 * recog.h: Remove the prototype for
2297 validate_change_maybe_volatile.
2299 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2301 * rtlanal.c (replace_reg): Remove.
2302 * rtl.h: Remove the prototype for replace_reg.
2304 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2306 * regclass.c (reg_scan_update): Remove.
2307 (reg_scan_mark_refs): Remove the last argument.
2308 * rtl.h: Remove the prototype for reg_scan_update.
2310 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2312 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2313 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2314 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2315 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2316 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2317 loop-invariant.c, omp-low.c, opts.c, passes.c,
2318 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2319 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2320 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2321 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2322 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2323 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2325 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2327 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2328 * dwarf2out.h: Remove the prototype for
2329 dwarf2out_add_library_unit_info.
2331 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2333 * tree.c (add_var_to_bind_expr): Remove.
2334 * tree.h: Remove the prototype for add_var_to_bind_expr.
2336 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2338 * regclass.c (n_non_fixed_regs): Remove.
2339 (init_reg_sets_1, globalize_reg): Remove all uses of
2341 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2343 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2345 * rtlanal.c (insns_safe_to_move_p): Remove.
2346 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2348 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2350 * expmed.c (expand_mult_add): Remove.
2351 * expr.h: Remove the prototype for expand_mult_add.
2353 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2355 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2356 and REG_SAVED_VAL_EXP constants.
2357 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2358 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2359 Handle regs stored by value.
2360 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2361 (execute_cfa_program): Handle DW_CFA_val_offset,
2362 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2363 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2364 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2365 (uw_install_context_1): Handle target regs stored by value.
2367 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2369 * tree-sra.c (tree_sra): Return todoflags;
2370 (generate_one_element): Set TODO_update_smt_usage if needed.
2371 (pass_sra): Remove TODO_update_smt_usage.
2372 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2374 (tree_ssa_forward_propagate_single_use_vars): Return
2375 TODO_update_smt_usage if we need to update SMT usage.
2376 (pass_forwprop): Remove TODO_update_smt_usage.
2378 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2380 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2381 (correct_use_link): Remove reference to get_stmt_operands.
2382 (update_stmt_operands): Likewise.
2383 (get_modify_expr_operands): New function factored out of
2384 parse_ssa_operands and get_expr_operands.
2385 Try to create V_MUST_DEFs for LHS by default.
2386 (get_expr_operands) <case MODIFY_EXPR>: Call
2387 get_modify_expr_operands.
2388 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2389 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2390 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2391 get_modify_expr_operands.
2393 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2395 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2396 * tree-flow.h: Remove the prototype for
2397 referenced_var_lookup_if_exists.
2399 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2401 PR rtl-optimization/26345
2403 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2405 2006-03-03 Roger Sayle <roger@eyesopen.com>
2407 PR tree-optimization/26524
2408 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2409 fold_convert to create a constant of the appropriate type.
2411 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2413 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2414 SYMBOL_REF_IN_BLOCK_P.
2415 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2416 of SYMBOL_FLAG_IN_BLOCK.
2417 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2418 instead of SYMBOL_REF_IN_BLOCK_P.
2419 * explow.c (use_anchored_address): Likewise.
2420 * rtl.c (rtx_size): Likewise.
2421 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2422 instead of SYMBOL_FLAG_IN_BLOCK.
2423 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2424 SYMBOL_REF_IN_BLOCK_P.
2425 (assemble_variable): Likewise.
2426 (output_constant_def_contents): Likewise.
2427 (output_constant_pool): Likewise.
2428 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2429 instead of SYMBOL_FLAG_IN_BLOCK.
2430 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2431 SYMBOL_REF_IN_BLOCK_P.
2432 (SYMBOL_REF_BLOCK): Likewise.
2433 (SYMBOL_REF_OFFSET): Likewise.
2434 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2435 SYMBOL_REF_IN_BLOCK_P.
2436 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2437 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2438 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2439 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2441 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2443 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2445 2006-03-02 Roger Sayle <roger@eyesopen.com>
2447 * simplify-rtx.c (simplify_unary_operation): When simplifying
2448 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2449 that we perform the right shift in the appropriate mode, and
2450 then extend or truncate the result to requested mode.
2452 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2454 * gengtype.c (main): Handle double_int type.
2455 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2456 * double-int.c: New file.
2457 * double-int.h: New file.
2458 * system.h: Include doubleint.h.
2459 * Makefile.in (SYSTEM_H): Include double-int.h.
2460 (double-int.o): Add.
2462 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2465 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2468 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2470 * tree-vrp.c (remove_range_assertions): Do not update statements
2473 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2475 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2477 * gcse.c (rest_of_handle_gcse): Ditto.
2478 * except.c (gate_handle_eh): Ditto.
2479 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2480 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2482 2006-03-02 Eric Christopher <echristo@apple.com>
2484 * config/i386/i386.c (machopic_output_stub): Add indirection to
2487 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2491 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2493 Sun Niagara specific optimizations.
2494 * config.gcc: Recognize niagara as target.
2495 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2496 (TARGET_CPU_niagara): Define.
2497 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2498 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2499 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2500 (ASM_CPU_SPEC): Likewise.
2501 (PROCESSOR_NIAGARA): New enum entry.
2502 (REGISTER_MOVE_COST): Handle Niagara.
2503 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2504 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2505 (sparc_override_options): Recognize "niagara", set appropriate
2506 default MASK_* values for it, and align functions to 32-bytes
2507 by default just like ULTRASPARC/ULTRASPARC3.
2508 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2509 (sparc64_initialize_trampoline): Likewise.
2510 (sparc_use_sched_lookahead): Use zero for niagara.
2511 (sparc_issue_rate): Use one for niagara.
2512 * config/sparc/niagara.md: New file.
2513 * config/sparc/sparc.md: Include it.
2514 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2515 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2516 when default cpu is niagara.
2517 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2518 (ASM_CPU_SPEC): Likewise.
2519 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2520 when default cpu is niagara.
2521 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2522 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2523 just like v9/ultrasparc/ultrasparc3.
2524 * doc/invoke.texi: Add documentation for "niagara" and improve
2525 existing documentation for ultrasparc variants.
2527 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2529 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2531 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2533 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2534 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2535 and say that only one is needed.
2536 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2537 * target.h (have_switchable_bss_sections): New hook.
2538 * explow.c (use_anchored_address): Check that the symbol is in a block.
2539 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2540 (bss_noswitch_section): New variables.
2541 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2542 (get_noswitch_section): New function.
2543 (get_block_for_section): Allow SECT to be null.
2544 (unlikely_text_section_p): Use SECTION_STYLE.
2545 (bss_initializer_p): New function.
2546 (get_variable_section): Move earlier in file. Take a new argument,
2547 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2548 Return one of the new *_sections in such cases.
2549 (get_block_for_decl): New function, extracting some logic from
2550 use_blocks_for_decl_p.
2551 (change_symbol_section): Remove in favor of...
2552 (change_symbol_block): ...this new function.
2553 (use_blocks_for_decl_p): Remove checks now performed by
2555 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
2556 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
2557 (emit_local, emit_bss, emit_common): ...these new functions.
2558 Return true if the alignment was honored.
2559 (emit_tls_common): New function.
2560 (asm_emit_uninitialised): Delete.
2561 (assemble_variable_noswitch): New function, split out from...
2562 (assemble_variable): ...here. Don't make decisions about common
2563 variables here. Globalize all public decls that go into non-common
2564 sections. Check whether SYMBOL_REF_BLOCK is null.
2565 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
2566 (output_constant_pool): Likewise.
2567 (init_varasm_once): Initialize the new section variables.
2568 (have_global_bss_p): New function.
2569 (categorize_decl_for_section): Use bss_initializer_p.
2570 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
2571 (place_block_symbol): Assert that the symbol must be in a block.
2572 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
2573 (TARGET_INITIALIZER): Include it.
2574 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
2575 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
2576 (SECTION_MACH_DEP): Bump by two.
2577 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
2578 (unnamed_section): Mention SECTION_UNNAMED in comment.
2579 (named_section): Likewise SECTION_NAMED.
2580 (noswitch_section_callback): New type.
2581 (noswitch_section): New structure.
2582 (section): Add a noswitch_section alternative.
2583 (SECTION_STYLE): New macro.
2584 (tls_comm_section, comm_section, lcomm_section): Declare.
2585 (bss_noswitch_section, have_global_bss_p): Declare.
2586 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2587 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2589 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2590 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2593 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
2595 * gcc/tree-vrp.c (execute_vrp): Return value.
2596 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
2597 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
2598 * gcc/tree-complex.c (tree_lower_complex): Ditto.
2599 (tree_lower_complex_O0): Ditto.
2600 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
2601 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
2602 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
2603 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
2604 (execute_tail_calls): Ditto.
2605 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2606 * gcc/tree.h (init_function_for_compilation): Ditto.
2607 * gcc/ipa-cp.c (ipcp_driver): Ditto.
2608 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
2609 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
2610 * gcc/final.c (compute_alignments): Ditto.
2611 (rest_of_handle_final): Ditto.
2612 (rest_of_handle_shorten_branches): Ditto.
2613 (rest_of_clean_state): Ditto.
2614 * gcc/omp-low.c (execute_expand_omp): Ditto.
2615 (execute_lower_omp): Ditto.
2616 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
2617 * gcc/ipa-reference.c (static_execute): Ditto.
2618 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
2619 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
2620 (rest_of_handle_machine_reorg): Ditto.
2621 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
2622 * gcc/flow.c (recompute_reg_usage): Ditto.
2623 (rest_of_handle_remove_death_notes): Ditto.
2624 (rest_of_handle_life): Ditto.
2625 (rest_of_handle_flow2): Ditto.
2626 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
2627 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
2628 (do_ssa_store_ccp): Ditto.
2629 (execute_fold_all_builtins): Ditto.
2630 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
2631 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
2632 * gcc/ipa-pure-const.c (static_execute): Ditto.
2633 * gcc/cse.c (rest_of_handle_cse): Ditto.
2634 (rest_of_handle_cse2): Ditto.
2635 * gcc/web.c (rest_of_handle_web): Ditto.
2636 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
2637 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
2638 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2639 * gcc/tree-nrv.c (tree_nrv): Ditto.
2640 (execute_return_slot_opt): Ditto.
2641 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
2642 (create_structure_vars): Ditto.
2643 * gcc/loop-init.c (rtl_loop_init): Ditto.
2644 (rtl_loop_done): Ditto.
2645 (rtl_move_loop_invariants): Ditto.
2646 (rtl_unswitch): Ditto.
2647 (rtl_unroll_and_peel_loops): Ditto.
2648 (rtl_doloop): Ditto.
2649 * gcc/gimple-low.c (lower_function_body): Ditto.
2650 (mark_used_blocks): Ditto.
2651 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
2652 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
2653 (cgraph_early_inlining): Ditto.
2654 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
2655 * gcc/jump.c (cleanup_barriers): Ditto.
2656 (purge_line_number_notes): Ditto.
2657 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
2658 (rest_of_handle_if_after_reload): Ditto.
2659 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
2660 (tree_ssa_loop_im): Ditto.
2661 (tree_ssa_loop_unswitch): Ditto.
2662 (tree_vectorize): Ditto.
2663 (tree_linear_transform): Ditto.
2664 (tree_ssa_loop_ivcanon): Ditto.
2665 (tree_ssa_empty_loop): Ditto.
2666 (tree_ssa_loop_bounds): Ditto.
2667 (tree_complete_unroll): Ditto.
2668 (tree_ssa_loop_prefetch): Ditto.
2669 (tree_ssa_loop_ivopts): Ditto.
2670 (tree_ssa_loop_done): Ditto.
2671 * gcc/predict.c (tree_estimate_probability): Ditto.
2672 * gcc/recog.c (split_all_insns_noflow): Ditto.
2673 (rest_of_handle_peephole2): Ditto.
2674 (rest_of_handle_split_all_insns): Ditto.
2675 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
2676 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
2677 (rest_of_handle_stack_adjustments): Ditto.
2678 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
2679 * gcc/function.c (instantiate_virtual_regs): Ditto.
2680 (init_function_for_compilation): Ditto.
2681 (rest_of_handle_check_leaf_regs): Ditto.
2682 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
2683 (rest_of_handle_gcse): Ditto.
2684 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
2685 * gcc/alias.c (rest_of_handle_cfg): Ditto.
2686 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
2687 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
2688 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
2689 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
2690 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
2691 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
2692 * gcc/except.c (set_nothrow_function_flags): Ditto.
2693 (convert_to_eh_region_ranges): Ditto.
2694 (rest_of_handle_eh): Ditto.
2695 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
2696 (remove_unnecessary_notes): Ditto.
2697 * gcc/except.h (set_nothrow_function_flags): Ditto.
2698 (convert_to_eh_region_ranges): Ditto.
2699 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
2700 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
2701 * gcc/tree-ssa-pre.c (do_pre): Ditto.
2702 (execute_fre): Ditto.
2703 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
2704 (rest_of_handle_jump2): Ditto.
2705 * gcc/tree-sra.c (tree_sra): Ditto.
2706 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
2707 (execute_mudflap_function_decls): Ditto.
2708 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
2709 (do_store_copy_prop): Ditto.
2710 * gcc/ipa-prop.h (ipcp_driver): Ditto.
2711 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
2712 * gcc/tree-ssa-forwprop.c
2713 (tree_ssa_forward_propagate_single_use_vars): Ditto.
2714 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
2715 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
2716 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
2717 (execute_late_warn_uninitialized): Ditto.
2718 * gcc/rtl.h (cleanup_barriers): Ditto.
2719 (split_all_insns_noflow): Ditto.
2720 (purge_line_number_notes): Ditto.
2721 (unshare_all_rtl): Ditto.
2722 (remove_unnecessary_notes): Ditto.
2723 (recompute_reg_usage): Ditto.
2724 (variable_tracking_main): Ditto.
2725 * gcc/integrate.c (emit_initial_value_sets): Ditto.
2726 * gcc/integrate.h (emit_initial_value_sets): Ditto.
2727 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
2728 (execute_free_cfg_annotations): Ditto.
2729 (execute_fixup_cfg): Ditto.
2730 (execute_cleanup_cfg_pre_ipa): Ditto.
2731 (execute_cleanup_cfg_post_optimizing): Ditto.
2732 (execute_init_datastructures): Ditto.
2733 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
2734 * gcc/combine.c (rest_of_handle_combine): Ditto.
2735 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
2736 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
2737 (rest_of_handle_reorder_blocks): Ditto.
2738 (rest_of_handle_partition_blocks): Ditto.
2739 * gcc/var-tracking.c (variable_tracking_main): Ditto.
2740 * gcc/tree-profile.c (tree_profiling): Ditto.
2741 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
2742 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
2743 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
2744 (rest_of_handle_sched2): Ditto.
2745 * gcc/basic-block.h (free_bb_insn): Ditto.
2746 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
2747 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
2748 (remove_useless_stmts): Ditto.
2749 (split_critical_edges): Ditto.
2750 (execute_warn_function_return): Ditto.
2751 (execute_warn_function_noreturn): Ditto.
2752 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
2753 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
2754 * gcc/passes.c (execute_one_pass): Run additional
2755 todos returned by execute function.
2756 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
2759 2006-03-02 Richard Guenther <rguenther@suse.de>
2761 * tree-ssa-alias.c (find_used_portions): Consider taking
2762 the address as making the variable not write-only.
2764 2006-03-02 Nick Clifton <nickc@redhat.com>
2766 * config.gcc (default_use_cxa_atexit): Extend the description of
2767 this configure variable. Set its default value to "yes" for
2768 Linux, NetBSD and ELF targets on the assumption that they will
2769 use C libraries with the __cxa_atexit function.
2771 2006-03-02 Ben Elliston <bje@au.ibm.com>
2773 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
2774 parameter as unused to suppress a build warning.
2776 2006-03-02 Ben Elliston <bje@au.ibm.com>
2778 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
2781 2006-03-01 Roger Sayle <roger@eyesopen.com>
2784 * gthr-posix.h (__gthrw2): Define to take three parameters, the
2785 declared name, the weak reference name, and the typeof name.
2786 (__gthrw): Avoid expanding the declared name suffix.
2787 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
2789 2006-03-01 Jakub Jelinek <jakub@redhat.com>
2791 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
2793 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
2794 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
2795 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
2796 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
2797 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
2798 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
2799 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
2800 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
2801 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
2802 DW_DS_leading_separate, DW_DS_trailing_separate): New.
2803 (DW_END_default, DW_END_big, DW_END_little): New.
2804 (DW_END_lo_user, DW_END_hi_user): Define.
2805 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
2806 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
2807 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
2810 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2812 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
2814 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
2816 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
2818 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
2820 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
2821 to 'symbol_mem_tag'.
2823 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
2826 2006-03-01 Roger Sayle <roger@eyesopen.com>
2828 * builtins.c (fold_builtin_copysign): Delete unreachable code.
2830 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2833 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
2834 MACHO_DYNAMIC_NO_PIC_P.
2835 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
2837 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2840 * config/darwin-protos.h (darwin_asm_output_anchor):
2842 * config/darwin-sections.def (cstring_section):
2843 Add SECTION_MERGE to the flags.
2844 (literal4_section): Likewise.
2845 (literal8_section): Likewise.
2846 (objc_selector_refs_section): Likewise.
2847 (objc_cls_refs_section): Likewise.
2848 * config/darwin.c (darwin_asm_output_anchor): New
2850 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2852 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
2854 Fix PR tree-optimization/26443
2855 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
2856 to todo and PROP_tmt_usage to properties_destroyed.
2857 * tree-ssa-ccp.c (pass_ccp): Ditto.
2858 (pass_store_ccp): Ditto.
2859 * tree-ssa-dom.c (pass_dominator): Ditto.
2861 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2863 * tree-ssa-operands.c: Cleanup whitespace.
2864 (get_asm_expr_operands): Move before first invocation.
2865 (get_indirect_ref_operands): Likewise.
2866 (get_tmr_operands): Likewise.
2867 (get_call_expr_operands): Likewise.
2868 (append_def): Likewise.
2869 (append_use): Likewise.
2870 (append_v_may_def): Likewise.
2871 (append_v_must_def): Likewise.
2872 (add_call_clobber_ops): Likewise.
2873 (add_call_read_ops): Likewise.
2874 (add_stmt_operand): Likewise.
2875 (add_virtual_operand): Likewise.
2876 (build_ssa_operands): Likewise.
2878 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2883 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2884 with a call expr to ...
2885 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2887 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2889 * tree-vrp.c (extract_range_from_assert): Remove special
2890 handling for types with super-types.
2892 2006-03-01 Ben Elliston <bje@au.ibm.com>
2894 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
2895 and powerpc64-*-linux* configurations.
2896 * config/t-dfprules: New file.
2898 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
2899 Compile dfp-bit.c from the source directory using -DWIDTH and
2900 $DFP_CFLAGS to control the compilation of that file, rather than
2901 generating width-specific versions in the build directory.
2902 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
2903 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
2905 2006-02-28 Zack Weinberg <zackw@panix.com>
2907 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
2910 2006-02-28 Eric Christopher <echristo@apple.com>
2912 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
2913 Set up IN_LIBGCC definition of TARGET_64BIT.
2914 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
2916 2006-02-28 Roger Sayle <roger@eyesopen.com>
2919 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
2920 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
2921 cases via the construction of "expr != 0".
2923 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2925 * alias.c (alias_invariant, alias_invariant_size): Remove.
2926 (record_base_value): Remove.
2927 (memrefs_conflict_p): Don't look at alias_invariant.
2928 (end_alias_analysis): Don't free it.
2929 * alias.h (record_base_value): Remove prototype.
2931 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
2932 Adam Nemet <anemet@caviumnetworks.com>
2934 * rtl.h (truncated_to_mode): Declare it.
2935 (struct rtl_hooks): Add reg_truncated_to_mode hook.
2936 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
2937 (RTL_HOOKS_INITIALIZER): Include it.
2938 * rtlhooks.c (reg_truncated_to_mode_general): New function.
2939 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
2940 reg_truncated_to_mode.
2941 * rtlanal.c (truncated_to_mode): Define it.
2942 * simplify-rtx.c (simplify_unary_operation_1): Use it.
2944 2006-02-28 Jeff Law <law@redhat.com>
2946 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
2947 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
2948 the range allowed by TYPE_PRECISION.
2950 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
2952 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
2954 PR tree-optimization/26419
2955 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
2958 2006-02-27 Zack Weinberg <zackw@panix.com>
2960 * doc/md.texi: Fix typo in previous change.
2962 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
2966 2006-02-27 Zack Weinberg <zackw@panix.com>
2968 * rtl.def (define_constraint, define_register_constraint)
2969 (define_memory_constraint, define_address_constraint): New MD forms.
2970 * gensupport.c (process_rtx): Put define_constraint etc on the
2972 * genpreds.c (process_define_predicate): Adjust comment. Validate
2973 the name, and call validate_exp to validate the expression.
2974 (mark_mode_tests, write_extract_subexp): Can assume correct input.
2975 (write_predicate_expr): Likewise. NAME argument no longer necessary;
2976 all callers changed.
2977 (validate_exp, needs_variable, struct constraint_data)
2978 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
2979 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
2980 (const_dbl_constraints, constraint_max_namelen)
2981 (have_register_constraints, have_memory_constraints)
2982 (have_address_constraints, have_address_constraints)
2983 (have_extra_constraints, have_const_int_constraints)
2984 (have_const_dbl_constraints, mangle, add_constraint)
2985 (process_define_constraint, process_define_register_constraint)
2986 (write_enum_constraint_num, write_lookup_constraint)
2987 (write_insn_constraint_len, write_regclass_for_constraint)
2988 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
2989 (write_insn_extra_memory_constraint)
2990 (write_insn_extra_address_constraint)
2991 (write_satisfies_constraint_fns): New.
2992 (write_tm_preds_h): If we have new-style constraint definitions,
2993 prototype the functions generated from them, and define the
2994 old constraint interface (still used by generic code) in terms of
2996 (write_insn_preds_c): If we have new-style constraint definitions,
2997 generate all relevant functions from those definitions.
2998 (main): Handle define_constraint etc.
2999 * genoutput.c (struct constraint_data, indep_constraints)
3000 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3001 (mdep_constraint_len): New data structures and functions, defined
3002 #ifdef USE_MD_CONSTRAINTS.
3003 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3004 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3005 use new logic to validate operand constraints against constraint
3007 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3009 * defaults.h: If none of the old-style constraint macros are
3010 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3011 old-style macros; and poison REG_CLASS_FROM_LETTER,
3012 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3014 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3015 * doc/md.texi: Document new constraint-definition mechanism and the
3016 C interface it provides. Remove references to old mechanism
3017 elsewhere in the document.
3018 (Machine Constraints): Use pathnames relative to gcc directory,
3019 i.e. config/ARCH/FILE. Change i386 section to refer to
3020 config/i386/predicates.md; update that section to match docstrings.
3021 * doc/tm.texi: Move all documentation of the old constraint-
3022 definition macros to their own section, clearly mark as obsolete.
3024 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3025 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3027 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3028 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3029 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3031 (splits and peepholes): Use satisfies_constraint_*.
3032 * config/i386/i386.c (memory_address_length)
3033 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3035 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3037 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3038 scalar operation to be put back into the loop.
3040 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3043 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3044 (extract_cie_info): Handle S flag in augmentation string.
3045 (execute_cfa_program): If context->signal_frame, execute also
3046 fs->pc == context->ra instructions.
3047 (uw_frame_state_for): If context->signal_frame, don't subtract one
3048 from context->ra to find FDE.
3049 (uw_update_context_1): Set context->signal_frame to
3051 (_Unwind_GetIPInfo): New function.
3052 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3053 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3055 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3056 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3057 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3058 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3059 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3060 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3061 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3062 x86_64_fallback_frame_state): Set fs->signal_frame.
3063 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3064 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3065 (frob_update_context): Likewise. Workaround missing S flag in
3066 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3067 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3068 Remove the psw_addr + 1 hack.
3070 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3072 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3073 with aggregates here.
3074 (find_func_aliases): Remove code for &<aggregate> from here.
3076 2006-02-26 Roger Sayle <roger@eyesopen.com>
3078 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3079 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3080 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3083 2006-02-26 Roger Sayle <roger@eyesopen.com>
3086 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3088 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3090 * opts.c (decode_options): Do not handle flag_strength_reduce.
3091 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3092 and OPT_fstrength_reduce.
3093 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3094 flag_prefetch_loop_arrays for being nonzero.
3095 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3097 (fprefetch-loop-arrays-rtl): Removed.
3098 (flag_prefetch_loop_arrays): Do not specify the value.
3100 * doc/passes.texi: Update documentation of loop optimizer
3102 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3103 -frerun-loop-opt): Remove.
3105 2006-02-26 Richard Guenther <rguenther@suse.de>
3107 PR tree-optimization/26421
3108 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3109 in function calls that are ADDR_EXPRs as using the whole structure.
3111 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3113 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3114 * tree-pass.h (pass_loop_optimize): Remove.
3115 * passes.c (pass_loop_optimize): Never run it.
3116 * toplev.c (backend_init): Don't call init_loop.
3117 * opts.c (flag_loop_optimize_set): Remove.
3118 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3119 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3120 the old RTL loop optimizer when profiling enabled.
3121 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3122 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3123 pre-headers for the sake of the old RTL loop optimizer.
3124 * Makefile.in: Remove all references to loop.o.
3126 * doc/invoke.texi: Remove all references to -floop-optimize
3127 and -frerun-loop-opt.
3129 2006-02-26 Zack Weinberg <zackw@panix.com>
3131 * doc/md.texi (Machine Constraints): Refer to all files with paths
3132 relative to gcc directory (i.e. config/CPU/file). Add missing
3133 @table @code ... @end table to M32C subsection.
3135 2006-02-26 Roger Sayle <roger@eyesopen.com>
3137 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3139 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3141 2006-02-26 Roger Sayle <roger@eyesopen.com>
3142 James A. Morrison <phython@gcc.gnu.org>
3145 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3146 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3147 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3148 signedness of the shift operation.
3150 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3152 PR tree-optimization/26359
3153 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3155 2006-02-25 Roger Sayle <roger@eyesopen.com>
3157 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3158 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3159 as X == 0, and some symmetry related transformations.
3160 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3162 2006-02-25 Roger Sayle <roger@eyesopen.com>
3165 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3166 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3167 symmetry related transformations. Fold (X^C1) == C2 as
3170 2006-02-25 Juergen Weigert <jw@suse.de>
3171 Richard Guenther <rguenther@suse.de>
3173 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3175 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3177 * combine.c (gen_lowpart_or_truncate): Call
3178 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3180 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3182 * doc/invoke.texi: Move -fopenmp description to "Options for
3184 Remove reference to -lgomp.
3186 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3188 * doc/install.texi: Require GNU tar version 1.14.
3190 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3192 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3193 * doc/invoke.texi (C++ Dialect Options): Document
3194 -fno-use-cxa-get-exception-ptr.
3195 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3196 * configure: Regenerate.
3197 * c.opt (fuse-cxa-get-exception-ptr): New.
3198 * c-opts.c (c_common_handle_option): Handle
3199 OPT_fuse_cxa_get_exception_ptr.
3200 * c-common.c (flag_use_cxa_atexit): Update documentation.
3201 (flag_use_cxa_get_exception_ptr): New.
3202 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3203 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3205 (C_COMMON_OVERRIDE_OPTIONS): New.
3207 2006-02-24 Roger Sayle <roger@eyesopen.com>
3210 * combine.c (try_combine): Explicitly check whether GET_CODE is
3211 a SET or a CLOBBER, instead on checking that it isn't a USE.
3213 2006-02-24 Roger Sayle <roger@eyesopen.com>
3215 * fold-const.c (fold_comparison): New subroutine of fold_binary
3216 containing transformations common to both the equality and
3217 ordering relational operators, factored out of fold_binary.
3218 (fold_binary): Separate out the equality operators (EQ_EXPR
3219 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3220 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3221 transformations common to both.
3222 (fold_div_compare): Fix latent bugs in the previously unreachable
3223 LT_EXPR and GE_EXPR cases.
3225 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3227 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3228 decl libname for clog to __clog on AIX.
3230 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3232 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3235 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3236 output traceback table for thunks. Localise rs6000_stack_info call.
3238 2006-02-23 Roger Sayle <roger@eyesopen.com>
3239 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3241 * gthr-posix.h (__gthrw): Fix typo in comment.
3243 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3245 * doc/cpp.texi (Character sets): Document that we do support
3246 input files to be in any character set.
3248 2006-02-23 Jeff Law <law@redhat.com>
3250 * tree.h (PHI_ARG_NONZERO): Remove.
3251 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3252 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3253 node to the new node.
3255 PR tree-optimization/26425
3256 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3257 min/max, then assume its varying.
3259 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3261 PR rtl-optimization/26316
3262 * rtlanal.c (enum may_trap_p_flags): New.
3263 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3264 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3265 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3266 (may_trap_after_code_motion_p): New function.
3267 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3268 (find_invariant_insn): Use may_trap_after_code_motion_p.
3269 * rtl.h (may_trap_after_code_motion_p): Declare.
3271 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3273 * emit-rtl.c (immed_double_const): Cleanup.
3275 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3277 Fix PR tree-optimization/26376
3278 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3281 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3284 * gimplify.c (omp_add_variable): Guard variable size decl test with
3285 DECL_SIZE (decl) check.
3287 2006-02-23 Richard Guenther <rguenther@suse.de>
3290 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3291 like aggregate types.
3293 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3295 * configure.ac: Add --with{,out}-long-double-128 configure option.
3296 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3297 * configure: Rebuilt.
3298 * config.in: Rebuilt.
3299 * doc/install.texi (Options specification): Document
3300 --with-long-double-128.
3302 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3303 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3304 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3305 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3307 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3309 * config/s390/s390.c (override_options): Handle
3310 TARGET_DEFAULT_LONG_DOUBLE_128.
3312 * config/alpha/alpha.c (override_options): Handle
3313 TARGET_DEFAULT_LONG_DOUBLE_128.
3315 * config/sparc/sparc.c (sparc_override_options): Handle
3316 TARGET_DEFAULT_LONG_DOUBLE_128.
3318 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3320 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3321 (real-install-headers-tar, real-install-headers-cpio)
3322 (real-install-headers-cp): New targets.
3324 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3326 * tree.h (variable_section): Delete.
3327 * varasm.c (variable_section): Delete.
3329 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3331 * install.texi: Add notes on install.texi2html.
3332 (Building in parallel): Do not use footnotes.
3334 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3337 * doc/install.texi (Configuration): Document --disable-libgomp.
3339 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3341 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3343 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3345 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3346 (vec_extractv2df_0_sse): New.
3348 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3350 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3351 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3352 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3353 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3354 to the result of the expression.
3355 (def_cfa_1): Adjust.
3356 (frame_pointer_cfa_offset): Rename to...
3357 (frame_pointer_fb_offset): ... this. Adjust all uses.
3358 (convert_cfa_to_loc_list): Rename to...
3359 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3360 Pass it on to build_cfa_loc.
3361 (compute_frame_pointer_to_cfa_displacement): Rename to...
3362 (compute_frame_pointer_to_fb_displacement): ... this. New
3363 offset parameter. Use it in computation.
3364 (gen_subprogram_die): Compute cfa_fb_offset with the new
3365 macro, and use it to compute the fb loc list and the
3368 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3370 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3371 replaced with register_operand.
3372 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3373 non-DREG is expensive.
3374 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3375 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3378 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3380 * doc/install.texi2html: Use set -e.
3382 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3384 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3385 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3386 * doc/invoke.texi (-fshared-data): Delete.
3387 * common.opt (fshared-data): Delete.
3388 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3389 (assemble_static_space): Remove #if 0 code.
3390 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3391 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3392 * config/cris/cris.h: Remove FIXME.
3394 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3396 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3399 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3402 * combine.c (simplify_shift_const_1): Disable nested shifts
3403 optimization for vector shifts.
3405 2006-02-20 Roger Sayle <roger@eyesopen.com>
3407 PR tree-optimization/26361
3408 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3409 of unsigned integer types.
3411 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3413 * tree-chrec.c (eq_evolutions_p): New.
3414 * tree-chrec.h (eq_evolutions_p): Declared.
3415 * tree-data-ref.c: Fix formatting.
3416 (datadep_stats, dependence_stats): New.
3418 (print_direction_vector): New.
3419 (dump_data_dependence_relation): Use print_direction_vector.
3420 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3421 (compute_subscript_distance): Static.
3422 (initialize_data_dependence_relation): Static. Get the number
3423 of loops surrounding the references from the callers, and initialize
3424 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3425 base_object_differ_p analyzers.
3426 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3427 compute_overlap_steps_for_affine_1_2,
3428 analyze_subscript_affine_affine): Count the classified dependences.
3429 Print a message when a test failed.
3430 (can_use_analyze_subscript_affine_affine): New.
3431 (analyze_siv_subscript): Compute the data dependences on symbolic
3432 scevs that verify can_use_analyze_subscript_affine_affine.
3433 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3434 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3435 Handle symbolic scevs.
3436 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3438 (subscript_dependence_tester): Moved...
3439 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3440 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3441 DDR_SIZE_VECT instead of getting it in parameter.
3442 (subscript_dependence_tester): ... here. Take as a parameter
3443 loop_nest_depth. Call build_classic_dist_vector and
3444 build_classic_dir_vector.
3445 (compute_affine_dependence): Update subscript_dependence_tester
3446 parameters. Update datadep_stats counters. Call
3447 compute_subscript_distance.
3448 (compute_self_dependence): Save the dist and dir vectors. Call
3449 compute_subscript_distance.
3450 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3451 (compute_all_dependences): Reorder parameters as they were before
3452 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3453 compute_subscript_distance. Update the use of
3454 compute_affine_dependence and initialize_data_dependence_relation.
3455 (find_data_references_in_loop): Handle COMPONENT_REF.
3456 (compute_data_dependences_for_loop): Initialize dependence_stats.
3457 Don't call build_classic_dist_vector and build_classic_dir_vector.
3458 Update the parameters of initialize_data_dependence_relation and
3459 compute_all_dependences. Print the statistics from datadep_stats.
3460 (analyze_all_data_dependences): Static. Not used until the pass for
3461 checking the data dependences is contributed.
3462 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3463 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3464 (initialize_data_dependence_relation, compute_affine_dependence,
3465 analyze_all_data_dependences, compute_subscript_distance): Removed.
3466 (print_direction_vector): New.
3467 * lambda.h (gcd): ... here.
3468 (lambda_vector_gcd): Moved here from gcd_vector.
3469 * lambda-code.c (gcd, gcd_vector): Removed.
3470 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3471 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3473 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3475 * ipa-type-escape.c: Tidy some comments and white space.
3476 * tree-ssa-operands.c: Likewise.
3478 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3481 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3482 (dump_decl_name): Do not walk the decl tree chains.
3483 * tree-pass.h (TDF_CHAIN): Remove.
3485 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3487 * Makefile.in (C): Remove
3489 (.PHONY): Remove C and PROTO
3491 2006-02-20 Roger Sayle <roger@eyesopen.com>
3494 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3495 deprecated CHAR_TYPE tree code.
3497 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3499 * configure.ac (target_list): Add install-info, dvi, html.
3500 * configure: Regenerate.
3502 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3503 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3504 treelang/Make-lang.in: Do not use double-colon rules.
3506 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3508 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3509 (TMT_USED_ALONE): New macro.
3510 * tree-pass.h (PROP_tmt_usage): New property.
3511 (TODO_update_tmt_usage): New todo.
3512 * tree-ssa-alias.c (updating_used_alone): New variable.
3513 (recalculate_used_alone): New function.
3514 (compute_may_aliases): Set updating_used_alone, call
3515 recalculate_used_alone.
3516 * tree-sra.c (pass_sra): Note that this pass destroys
3517 PROP_tmt_usage, and add TODO_update_tmt_usage.
3518 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3519 * tree-flow.h (updating_used_alone): Prototype.
3520 (recalculate_used_alone): Ditto.
3521 * passes.c (execute_todo): Add code to set updating_used_alone,
3522 and call recalculate.
3523 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3524 for clobber if used alone, and add assert to verify used_alone
3527 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3529 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3530 for non tls symbols added.
3531 (legitimize_address): Do nothing for PLUS expressions if one of the
3532 addends is a tls symbol reference.
3534 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3538 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3540 * Makefile.in (BOOTSTRAPPING): New.
3541 (quickstrap): New definition if BOOTSTRAPPING=yes.
3543 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3544 * configure.ac: Substitute all_selected_languages with the languages
3545 that were configured. For all the other variables except
3546 lang_specs_files, include all the languages in the tree.
3547 * configure: Regenerate.
3549 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3550 if there is one. Run the commands to run fixincludes in the same
3553 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
3554 * doc/install.texi: Document exact conventions for searching target tools.
3555 Document --with-build-time-tools. Document toplevel bootstrap. Document
3556 something more about building an Ada cross-compiler. Don't list GNU Make
3557 requirements which affect all platforms.
3559 2006-02-19 Roger Sayle <roger@eyesopen.com>
3562 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
3563 only equivalent if the have both the same mode and precision.
3565 2006-02-20 Ben Elliston <bje@au.ibm.com>
3567 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
3569 2006-02-19 Roger Sayle <roger@eyesopen.com>
3570 Steven Bosscher <stevenb.gcc@gmail.com>
3572 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
3573 constant pool references to identify stack mode constants.
3574 * rtlanal.c (constant_pool_constant_p): New predicate to check
3575 whether operand is a floating point constant in the pool.
3576 * rtl.h (constant_pool_constant_p): Prototype here.
3577 * loop.c (scan_loop): Avoid hoisting constants from the constant
3578 pool on STACK_REGS targets.
3579 (load_mems): Likewise.
3580 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
3581 loads into x87 registers expensive in terms of register pressure.
3583 2006-02-19 Roger Sayle <roger@eyesopen.com>
3585 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
3586 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
3588 2006-02-19 David Edelsohn <edelsohn@gnu.org>
3590 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3591 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
3593 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
3595 * doc/invoke.texi: Document -fipa-pta.
3596 * common.opt: Add ipa-pta option.
3597 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
3598 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
3599 (do_ds_constraint): Ditto.
3600 (get_constraint_for): Only add to referenced_vars if
3601 referenced_vars exists.
3602 (insert_into_field_list): Rewrite to do this unsorted.
3603 (insert_into_field_list_sorted): Rename old insert_into_field_list
3605 (create_function_info_for): Use insert_into_field_list_sorted.
3606 (create_variable_info_for): Rewrite so it uses unsorted version,
3607 since the field list is sorted.
3608 (intra_create_variable_infos): Only add to referenced_vars if
3609 referenced_vars exists.
3610 (ipa_pta_execute): Init heapvars, and delete when done.
3611 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
3613 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3615 * doc/install.texi: Add missing `@samp'.
3617 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3619 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
3622 2006-02-18 Mark Wielaard <mark@klomp.org>
3624 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
3625 who added new 4.1 features, bug fixes and integration support.
3627 2006-02-18 David Edelsohn <edelsohn@gnu.org>
3630 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
3633 2006-02-18 Richard Sandiford <richard@codesourcery.com>
3635 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
3636 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
3637 (copy_insn_1): Likewise. Don't copy each field individually.
3639 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
3641 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
3642 * rtl.c (rtx_size): Rename variable to...
3643 (rtx_code_size): ...this.
3644 (rtx_size): New function.
3645 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
3646 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
3648 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
3649 * rtl.h (rtx_code_size): New variable.
3650 (rtx_size): Change from a variable to a function.
3651 (RTX_SIZE): Rename to...
3652 (RTX_CODE_SIZE): ...this.
3655 PR tree-optimization/17106
3656 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
3657 (Anchored Addresses): New section.
3658 * doc/invoke.texi (-fsection-anchors): Document.
3659 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
3660 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
3661 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
3662 * hooks.c (hook_bool_mode_rtx_false): New function.
3663 * hooks.h (hook_bool_mode_rtx_false): Declare.
3664 * gengtype.c (create_optional_field): New function.
3665 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
3666 SYMBOL_REF_IN_BLOCK_P is true.
3667 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
3668 (min_anchor_offset, max_anchor_offset): Likewise.
3669 (use_anchors_for_symbol_p): New hook.
3670 * toplev.c (compile_file): Call output_object_blocks.
3671 (target_supports_section_anchors_p): New function.
3672 (process_options): Check that -fsection-anchors is only used on
3673 targets that support it and when -funit-at-a-time is in effect.
3674 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
3675 if the decl doesn't have one.
3676 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
3677 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
3678 of force_const_mem through use_anchored_address.
3679 (expand_expr_constant): New function.
3680 (expand_expr_addr_expr_1): Call it. Use the same modifier when
3681 calling expand_expr for INDIRECT_REF.
3682 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
3683 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
3684 * expr.h (use_anchored_address): Declare.
3685 * loop-unroll.c: Don't declare rtx vectors here.
3686 * explow.c: Include output.h.
3687 (validize_mem): Call use_anchored_address.
3688 (use_anchored_address): New function.
3689 * common.opt (-fsection-anchors): New switch.
3690 * varasm.c (object_block_htab, anchor_labelno): New variables.
3691 (hash_section, object_block_entry_eq, object_block_entry_hash)
3692 (use_object_blocks_p, get_block_for_section, create_block_symbol)
3693 (use_blocks_for_decl_p, change_symbol_section): New functions.
3694 (get_variable_section): New function, split out from assemble_variable.
3695 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
3696 use_blocks_for_decl_p say so. Use change_symbol_section if the
3697 symbol has already been created.
3698 (assemble_variable_contents): New function, split out from...
3699 (assemble_variable): ...here. Don't output any code for
3700 block symbols; just pass them to place_block_symbol.
3701 Use get_variable_section and assemble_variable_contents.
3702 (get_constant_alignment, get_constant_section, get_constant_size): New
3703 functions, split from output_constant_def_contents.
3704 (build_constant_desc): Create a block symbol if use_object_blocks_p
3705 says so. Or into SYMBOL_REF_FLAGS.
3706 (assemble_constant_contents): New function, split from...
3707 (output_constant_def_contents): ...here. Don't output any code
3708 for block symbols; just pass them to place_section_symbol.
3709 Use get_constant_section and get_constant_alignment.
3710 (force_const_mem): Create a block symbol if use_object_blocks_p and
3711 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
3712 (output_constant_pool_1): Add an explicit alignment argument.
3713 Don't switch sections here.
3714 (output_constant_pool): Adjust call to output_constant_pool_1.
3715 Switch sections here instead. Don't output anything for block symbols;
3716 just pass them to place_block_symbol.
3717 (init_varasm_once): Initialize object_block_htab.
3718 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
3719 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
3720 (place_block_symbol, get_section_anchor, output_object_block)
3721 (output_object_block_htab, output_object_blocks): New functions.
3722 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
3723 (TARGET_ASM_OUT): Include it.
3724 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
3725 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
3726 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
3727 (TARGET_INITIALIZER): Include them.
3728 * rtl.c (rtl_check_failed_block_symbol): New function.
3729 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
3730 (block_symbol, object_block): New structures.
3731 (rtx_def): Add a block_symbol field to the union.
3732 (BLOCK_SYMBOL_CHECK): New macro.
3733 (rtl_check_failed_block_symbol): Declare.
3734 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
3735 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
3736 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
3737 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
3738 * output.h (output_section_symbols): Declare.
3739 (object_block): Name structure.
3740 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
3741 (default_use_anchors_for_symbol_p): Declare.
3742 * Makefile.in (RTL_BASE_H): Add vec.h.
3743 (explow.o): Depend on output.h.
3744 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
3745 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3746 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3747 (rs6000_use_blocks_for_constant_p): New function.
3749 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3751 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
3753 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3756 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
3759 2006-02-18 Diego Novillo <dnovillo@redhat.com>
3761 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
3765 2006-02-18 Jakub Jelinek <jakub@redhat.com>
3768 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
3769 instead of DECL_REGISTER.
3771 2006-02-18 Olivier Hainque <hainque@adacore.com>
3774 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
3776 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
3779 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
3780 * opth-gen.awk: Handle Var and InverseMask together.
3781 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
3782 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
3783 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
3784 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
3786 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3787 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3788 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
3789 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3790 LINUX_DYNAMIC_LINKER): Define.
3791 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
3792 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
3794 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3795 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
3796 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3797 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3798 (TARGET_C99_FUNCTIONS): Don't define.
3799 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
3800 GLIBC_DYNAMIC_LINKER.
3801 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
3802 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
3803 GLIBC_DYNAMIC_LINKER64): Define.
3804 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3805 LINUX_DYNAMIC_LINKER64.
3806 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3807 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3808 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
3809 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3810 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3811 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3812 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
3813 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
3814 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
3815 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
3816 and LINUX_DYNAMIC_LINKER32.
3817 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3818 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3819 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
3820 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3821 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
3823 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
3824 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
3825 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3826 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3827 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3828 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
3829 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
3830 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
3831 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3832 LINUX_DYNAMIC_LINKER): Define.
3833 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
3834 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
3835 GLIBC_DYNAMIC_LINKER64): Define.
3836 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3837 LINUX_DYNAMIC_LINKER64.
3838 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3839 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3840 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
3841 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3842 LINUX_DYNAMIC_LINKER): Define.
3843 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3844 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3845 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
3846 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
3847 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
3848 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3849 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
3850 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
3851 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3852 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3853 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3854 * doc/invoke.texi (-muclibc): Remove caveat about supported
3857 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3859 * doc/cpp.texi (__TIMESTAMP__): Document.
3861 2006-02-17 Roger Sayle <roger@eyesopen.com>
3864 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
3865 C is one less than the width of X (and related transformations).
3866 * simplify-rtx.c (simplify_unary_operation_1): Transform
3867 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
3868 depending on STORE_FLAG_VALUE, were C is one less then the
3871 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
3873 Fix PR tree-optimization/26341
3874 * tree-ssa-operands.c (add_virtual_operand): Remove assert
3875 about NAME_MEMORY_TAG's.
3877 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3880 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
3881 with hardware float support, and software float support. Add fcpy
3882 alternative to hardware patterns. Add alternatives to copy between
3883 general and floating-point registers to the 32-bit pattern.
3884 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
3885 secondary reload to load a QI or HI mode constant into a floating
3887 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
3888 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
3890 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
3893 * config/rs6000/darwin.md (load_macho_picbase_si): Add
3895 (load_macho_picbase_di): Likewise.
3897 2006-02-16 Jeff Law <law@redhat.com>
3899 * tree-vrp.c (set_value_range_to_nonnegative): New function.
3900 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
3901 (ssa_name_nonzero_p): Likewise.
3902 (get_value_range): Return NULL if VRP is not running.
3903 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
3904 VRP routines do not discover a range.
3905 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
3906 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
3907 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
3908 (tree_expr_nonnegative_p): Similarly.
3909 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
3910 (restore_nonzero_vars_to_original_value): Remove.
3911 (unsafe_associative_fp_binop): Remove.
3912 (tree_ssa_dominator_optimize): Remove initialization and
3913 finalization of nonzero_vars and nonzero_vars_stack.
3914 (dom_opt_initialize_block): No longer push marker on
3916 (dom_opt_finalize_block): No longer call
3917 restore_nonzero_vars_to_original_value.
3918 (record_equivalences_from_phis): No longer look for
3919 nonzero PHI arguments.
3920 (cprop_into_successor_phis): No longer propagate nonzero
3921 property into PHI arguments. Lose unused argument. Caller
3923 (record_equivalences_from_stmt): No longer record nonzero
3924 values for SSA_NAMEs.
3925 (lookup_avail_expr): No longer use nonzero_vars.
3927 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
3928 for sizetype when sizetype is unsigned.
3930 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
3932 PR rtl-optimization/25603
3933 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
3934 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
3935 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
3936 with new meaning of SETS.
3938 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
3943 * config/linux.opt: New file.
3944 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3945 LINUX_DYNAMIC_LINKER): Define.
3946 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
3947 * config.gcc (*-*-linux*): Define extra_options.
3948 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
3949 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
3950 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
3951 GLIBC_DYNAMIC_LINKER.
3952 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
3953 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3954 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3955 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3956 * doc/invoke.texi (GNU/Linux Options): New section.
3958 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3960 * config/sparc/sparc.md (setjmp): Rewrite.
3961 (setjmp_32): Delete.
3962 (setjmp_64): Likewise.
3964 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
3966 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
3969 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3971 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
3974 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3976 PR rtl-optimization/26296
3977 * Makefile.in (loop-invariant.c): Add except.h dependency.
3978 * loop-invariant.c: Include except.h.
3979 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
3981 2005-02-16 Paul Brook <paul@codesourcery.com>
3983 * reload1.c (emit_reload_insns): Invalidate dead input registers used
3986 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
3988 PR rtl-optimization/25636
3989 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
3990 when deciding whether an insn is an initializing insn.
3992 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
3994 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
3995 (tree_code_size): Ditto.
3996 * tree.h (struct tree_memory_tag): Remove parent_var.
3997 (struct tree_struct_field_tag): New.
4000 (union tree_node): Add sft member.
4001 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4003 (create_sft): Add size and offset argument, set SFT_OFFSET and
4005 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4006 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4007 * tree-flow-inline.h (get_subvar_at): Update for
4008 SFT_OFFSET/SFT_SIZE.
4009 (var_can_have_subvars): Ditto.
4010 (overlap_subvar): Ditto.
4011 * print-tree.c (print_node): Print out interesting things for
4013 * tree-flow.h (struct subvar): Remove offset and size members.
4014 * tree-ssa-operands.c (get_expr_operands): Update for
4015 get_indirect_ref_operands changes.
4016 (get_indirect_ref_operands): Call add_virtual_operand instead of
4017 add_stmt_operand. Only recurse on base var if requested.
4018 (access_can_touch_variable): New function.
4019 (add_stmt_operand): Split virtual operand handling into ...
4020 (add_virtual_operand): Here. Add offset, size, and for_clobber
4021 arguments. Prune alias sets.
4022 (add_call_clobber_ops): Call add_virtual_operand.
4024 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4027 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4029 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4030 than TREE_CODE as index into omp_clause_num_ops array.
4032 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4034 PR rtl-optimization/26184
4035 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4037 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4038 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4039 must_precede, must_follow and tobe_scheduled.
4042 * opts.c (common_handle_option): Free new_option pointer.
4043 * df-core.c (df_analyze): Free postorder pointer.
4045 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4047 * Makefile.in: Fix the examples about the use of stamps
4049 2006-02-15 Michael Matz <matz@suse.de>
4053 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4054 influenced by maximum_field_alignment or DECL_PACKED.
4055 (update_alignment_for_field): Ditto.
4056 (place_field): Ditto.
4057 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4060 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4062 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4063 (debug_flow_info): Pass it.
4064 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4065 * bb-reorder.c (reorder_basic_blocks): Likewise.
4066 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4067 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4068 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4069 * gcse.c (gcse_main, bypass_jumps): Likewise.
4070 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4071 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4072 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4073 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4074 * rtl.h (dump_flow_info): Adjust prototype.
4075 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4076 * var-tracking.c (variable_tracking_main): Likewise.
4077 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4078 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4081 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4083 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4086 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4088 PR tree-optimization/26209
4089 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4090 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4092 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4094 2006-02-14 Roger Sayle <roger@eyesopen.com>
4097 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4098 (X,Y) and the corresponding symmetry related transformations.
4099 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4100 (X,Y) and its symmetry related transformations.
4102 2006-02-14 Roger Sayle <roger@eyesopen.com>
4104 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4107 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4109 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4111 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4114 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4115 support COMDAT group.
4116 * configure: Regenerate.
4118 2006-02-14 Roger Sayle <roger@eyesopen.com>
4123 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4125 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4127 Fix PR tree-optimization/26260
4129 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4131 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4132 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4133 * tree-ssa-structalias.c (create_variable_info_for): Use
4134 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4136 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4138 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4140 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4141 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4142 of the ending condition.
4143 * tree-ssa-loop-manip.c: Include params.h.
4144 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4145 tree_unroll_loop): New functions.
4146 * tree-pass.h (pass_loop_prefetch): Declare.
4147 * loop.c (rest_of_handle_loop_optimize): Test for
4148 -fprefetch-loop-arrays-rtl.
4149 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4150 * timevar.def (TV_TREE_PREFETCH): New timevar.
4151 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4152 pass_loop_prefetch): New.
4153 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4154 (cleanup_tree_cfg_loop): Call scev_reset.
4155 * common.opt (fprefetch-loop-arrays-rtl): Add.
4156 * tree-ssa-loop-prefetch.c: New file.
4157 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4158 (new_temp_expr_table): Initialize expr_vars.
4159 (free_temp_expr_table): Cleanup expr_vars.
4160 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4161 expressions from being merged into one.
4162 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4163 (struct tree_niter_desc): Add control, bound and cmp fields.
4164 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4166 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4167 (tree-cfgcleanup.o): Add SCEV_H dependency.
4168 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4169 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4171 2006-02-14 Richard Guenther <rguenther@suse.de>
4173 PR tree-optimization/26258
4174 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4175 in PHI argument processing.
4177 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4179 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4180 new expression in the requested machine mode.
4182 2006-02-13 Roger Sayle <roger@eyesopen.com>
4184 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4185 directly, instead let do_compare_rtx_and_jump handle this for us.
4186 * expr.c (expand_expr_real_1): Likewise.
4187 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4188 before do_jump_by_parts_greater.
4189 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4190 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4192 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4194 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4196 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4198 PR rtl-optimization/26235
4199 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4200 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4203 2006-02-13 Jeff Law <law@redhat.com>
4205 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4208 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4211 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4212 twice if decl is a builtin. When trying again, call get_callee_fndecl
4213 first to verify it is still a builtin.
4215 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4217 * dwarf2out.c (base_type_die): Don't add AT_name here.
4218 (subrange_type_die): Don't add AT_name here.
4219 (modified_type_die): Rearrange code flow. Do add AT_name here.
4221 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4223 PR rtl-optimization/26247
4224 PR rtl-optimization/26248
4225 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4227 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4229 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4230 * config/fixtfdi.c: Likewise.
4231 * config/fixunstfdi.c: Likewise.
4232 * config/floatditf.c: Likewise.
4234 2006-02-13 Roger Sayle <roger@eyesopen.com>
4237 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4238 into (X,C2) if C1 is a subset of the bits of C2. Transform
4239 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4241 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4243 2006-02-13 Josh Conner <jconner@apple.com>
4246 * varasm.c (function_section): Check for section name before
4247 calling select_section on targets that define
4248 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4249 unlikely_text_section instead of hot_function_section if
4250 first_function_block_is_cold.
4252 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4255 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4257 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4259 PR rtl-optimization/26222
4260 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4261 after tree->rtl expansion.
4262 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4263 before passing it to emit_move_insn.
4265 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4267 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4269 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4270 Clarify documentation.
4271 * c-common.h (warn_write_strings): Remove.
4272 * c-common.c (warn_write_strings): Likewise.
4273 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4276 2006-02-12 Roger Sayle <roger@eyesopen.com>
4279 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4280 (do_jump_parts_zero_rtx): New function renamed from
4281 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4282 (do_jump_parts_equality_rtx): New function split out from
4283 do_jump_parts_equality. Old implementation renamed as above.
4284 Call do_jump_parts_zero_rtx if either operand is zero.
4285 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4286 do all of the heavy lifting.
4287 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4288 calling either do_jump_by_parts_greater_rtx or
4289 do_jump_by_parts_equality_rtx.
4290 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4291 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4292 moved to do_compare_rtx_and_jump, call it directly.
4293 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4294 mode argument. Call do_compare_rtx_and_jump.
4295 (emit_case_nodes): Update calls to do_jump_if_equal.
4297 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4299 PR rtl-optimization/26225
4300 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4302 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4304 PR rtl-optimization/26232
4305 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4307 2006-02-11 Jason Merrill <jason@redhat.com>
4310 * tree-inline.c (declare_return_variable): Just don't use the
4311 modify target if it's a gimple complex reg and the return slot
4314 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4316 * doc/contrib.texi: Update my entry.
4318 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4320 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4322 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4324 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4327 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4329 * doc/invoke.texi (-floop-optimize2): Removed.
4330 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4331 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4332 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4333 * common.opt (floop-optimize2): Removed.
4334 (fmove-loop-invariants): Enabled by default.
4336 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4338 * tree-if-conv.c (combine_blocks): Free the result of
4339 get_loop_exit_edges.
4341 2006-02-10 Jeff Law <law@redhat.com>
4343 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4345 PR tree-optimization/26213
4346 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4347 loop trying to follow SSA_NAME_VALUE chains.
4349 2006-02-10 Richard Guenther <rguenther@suse.de>
4351 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4352 deal with structures that end in implicitly variable sized arrays.
4354 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4356 PR rtl-optimization/24762
4357 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4360 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4362 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4363 (struct ivopts_data): Add regs_used field.
4364 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4365 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4366 instead of loop_data->regs_used;
4367 (free_loop_data): Do not free aux fields for loops.
4368 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4369 and tree_ssa_iv_optimize_finalize.
4371 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4373 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4375 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4378 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4379 computing the effective result type.
4381 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4384 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4385 (tree_overlaps_hard_reg_set): Declare.
4386 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4387 type and signature to match function type expected by walk_tree.
4388 (tree_overlaps_hard_reg_set): New function.
4389 (decl_conflicts_with_clobbers_p): Rename to:
4390 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4391 Use tree_overlaps_hard_reg_set. Changed caller.
4392 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4393 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4394 * cris.c (cris_md_asm_clobbers): Likewise.
4396 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4398 * reload1.c (emit_input_reload_insns): Delete code that tries to
4399 inherit using find_equiv_reg.
4401 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4403 * c-common.h (flag_const_strings): Don't declare.
4404 * c-common.c (flag_const_strings): Remove.
4405 * c.opt (fconst_strings): Remove.
4406 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4407 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4408 (c_common_init_options): Don't set flag_const_strings.
4409 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4411 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4413 * arm.md (tlobits_cbranch): New pattern.
4414 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4415 testing a single bit.
4417 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4420 * tree-ssa-pre.c (create_component_ref_by_pieces):
4421 Handle RETURN_DECL like VAR_DECL.
4423 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4426 * fold-const.c (fold_indirect_ref_1): Fold
4427 "*(foo *)&complexfoo" to "__real__ complexfoo"
4428 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4430 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4432 * tree-flow-inline.h (var_can_have_subvars):
4433 Volatile variables should not have subvariables.
4435 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4438 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4439 multiplying unsigned values.
4442 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4444 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4446 2006-02-08 Jason Merrill <jason@redhat.com>
4449 * tree.def: Elaborate on difference from MODIFY_EXPR.
4450 * doc/c-tree.texi (INIT_EXPR): Likewise.
4451 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4452 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4453 (gimplify_target_expr): Likewise.
4454 (gimplify_cond_expr): Remove target handling.
4455 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4456 (gimplify_expr): Clobber it here.
4457 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4458 Do return slot optimization if we have an INIT_EXPR.
4461 * tree-inline.c (declare_return_variable): Also clear
4462 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4465 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4468 * gimplify.c (gimplify_one_sizepos): Fix typo.
4470 2006-02-08 Jeff Law <law@redhat.com>
4472 PR tree-optimization/21417
4473 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4474 across a backedge if the control statement at the end of the
4475 block is data dependent on other statements in the same block.
4476 (record_temporary_equivalences_from_stmts): Remove over-conservative
4477 test for threading across backedges.
4479 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4480 control statement, handle all three special cases in the same
4481 manner as they all have the same desired solution. No longer
4482 special case edge flag updating when the post dominator is
4485 2006-02-08 Roger Sayle <roger@eyesopen.com>
4487 * tree.def (CHAR_TYPE): Remove.
4488 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4489 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4490 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4491 (gen_string_type_die): Delete unreachable function.
4493 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4494 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4495 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4496 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4497 * builtins.c (type_to_class): Likewise.
4498 * fold-const.c (fold_convert, build_range_check,
4499 merge_ranges): Likewise.
4500 * expr.c (count_type_elements): Likewise.
4501 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4502 * stor-layout.c (layout_type): Likewise.
4503 * ipa-type-escape.c (type_to_consider): Likewise.
4504 * gimplify.c (omp_firstprivatize_type_sizes,
4505 gimplify_type_sizes): Likewise.
4506 * explow.c (promote_mode): Likewise.
4507 * tree-sra.c (is_sra_scalar_type): Likewise.
4508 * varasm.c (output_constant): Likewise.
4509 * tree-inline.c (remap_type_1): Likewise.
4510 * convert.c (convert_to_pointer, convert_to_real,
4511 convert_to_integer, convert_to_complex): Likewise.
4513 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4515 * df-scan.c (df_def_record_1): A set destination may
4516 be a parallel regardless of mode.
4518 2006-02-08 Roger Sayle <roger@eyesopen.com>
4521 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4522 * config/mips/_tilib.c: Remove.
4523 * config/fixtfdi.c: New libgcc source file.
4524 * config/fixunstfdi.c: New source file.
4525 * config/floatditf.c: New source file.
4526 * config/floatunditf.c: New souce file.
4527 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4528 files above instead of config/mips/_tilib.c.
4529 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4531 2006-02-08 Jeff Law <law@redhat.com>
4533 PR tree-optimization/26169
4534 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4537 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4539 * df.h (DF_REG_SIZE): Return the length of the initialized
4542 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4544 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4545 __muldf3): Return a correctly signed zero.
4547 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4549 * passes.c (register_one_dump_file): Accept the current properties
4550 instead of pass number. Adjust call to dump_register. Remove
4552 (register_dump_files): Now a wrapper around...
4553 (register_dump_files_1): ... this one. Do not modify the pass
4555 (next_pass_1): Cosmetic fix.
4556 (execute_todo): Keep second parameter only. Use curr_properties
4557 instead of fetching it from the pass structure. Check and set
4559 (execute_one_pass): Handle TODO_set_props. Use curr_properties
4560 instead of fetching it from the pass structure. Fix calls to
4561 execute_todo. Update curr_properties and initialize .vcg RTL dump
4562 after running the pass. Reset last_verified.
4563 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
4565 (FIRST_AUTO_NUMBERED_DUMP): New.
4566 (dump_register): Remove "num" parameter, assign it within the
4568 (get_dump_file_name): Modify template for dumps.
4569 * tree-dump.h (dump_register): Adjust prototype.
4570 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
4571 (PROP_trees): Add PROP_gimple_lomp.
4572 (TODO_set_props): New.
4573 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
4574 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
4575 * cfgexpand.c (pass_expand): Destroy PROP_trees.
4577 2006-02-08 Jakub Jelinek <jakub@redhat.com>
4579 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
4580 (sparc64-*-linux*): Likewise.
4581 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
4582 * config/sparc/t-linux: New file.
4583 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
4584 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
4585 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
4586 -m32 -mlong-double-128.
4588 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
4589 * config/alpha/t-linux: New file.
4590 * config/alpha/libgcc-alpha-ldbl.ver: New file.
4592 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
4593 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
4594 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
4595 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
4596 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
4597 (CPP_ARCH32_SPEC): Remove.
4599 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
4601 PR tree-optimization/26145
4602 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
4605 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4608 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
4609 >= 240000 when generating code for SOM runtime.
4610 (output_indirect_call): Don't use "b,l" instruction for indirect calls
4611 to $$dyncall when generating code for SOM runtime..
4613 2006-02-07 Dirk Mueller <dmueller@suse.com>
4616 * doc/invoke.texi (-Wsequence-point): Update documentation
4617 that -Wsequence-point is implemented for C++ as well.
4619 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4621 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
4622 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
4623 (LIB_SPEC): Likewise.
4624 * doc/invoke.texi (SPARC options): Document -pthread.
4626 2006-02-07 Geoffrey Keating <geoffk@apple.com>
4628 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
4631 2006-02-07 Roger Sayle <roger@eyesopen.com>
4633 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
4634 Correct comment describing BOOLEAN_TYPE.
4636 2006-02-07 Dirk Mueller <dmueller@suse.com>
4638 * c.opt: C++ frontend supports -Wdiv-by-zero.
4639 * c-opts.c (c_common_handle_option): Remove dead case.
4641 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4643 * configure.ac (TLS assembler check): Do not enable TLS by
4644 default on SPARC/Solaris before version 10.
4645 * configure: Regenerate.
4647 2006-02-07 David Edelsohn <edelsohn@gnu.org>
4649 * doc/invoke.texi (xl-compat): Document conversion and support
4652 2006-02-07 Jeff Law <law@redhat.com>
4654 * tree-vrp.c (find_conditional_asserts): Update comments.
4655 (simplify_stmt_for_jump_threading): New.
4656 (identify_jump_threads, finalize_jump_threads): New.
4657 (vrp_finalize): Call identify_jump_threads.
4658 (execute_vrp): Call finalize_jump_threads.
4659 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
4660 (vrp_element, vrp_data, vrp_element_p): Remove.
4661 (vrp_hash_elt, vrp_variables_stack): Remove.
4662 (vrp_hash, vrp_eq, record_range): Remove.
4663 (simplify_cond_and_lookup_avail_expr): Remove.
4664 (extract_range_from_cond): Remove.
4665 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
4666 (simplify_stmt_for_jump_threading): New.
4667 (dom_thread_across_edge): New wrapper.
4668 (tree_ssa_dominator_optimize): No longer initialize or
4669 finalize any of the VRP datastructures. Remove iteration
4670 step and simplify as a result of removal of iteration step.
4671 (pass_dominator): Perform a cfg cleanup after DOM.
4672 (dom_opt_finalize_block): Use the new common routines
4673 for threading jumps. Simplify stack management slightly.
4674 No longer need to unwind VRP state.
4675 (record_equivalences_from_incoming_edge): No longer record
4677 (eliminate_redundant_computations): No longer call
4678 simplify_cond_and_lookup_avail_expr.
4679 * tree-flow.h (potentially_threadable_block): Prototype.
4680 (thread_across_edge): Likewise.
4681 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
4682 (tree-ssa-threadedge.o): Add dependencies.
4683 * tree-ssa-threadedge.c: New file.
4684 * passes.c (init_optimization_passes): Merge PHIs before
4685 calling VRP. Run VRP again late in the SSA optimization pipeline.
4687 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4689 * df-core.c (df_set_blocks): Do not dereference function pointers.
4690 (df_finish1): Likewise.
4691 (df_hybrid_search_forward): Likewise.
4692 (df_hybrid_search_backward): Likewise.
4693 (df_iterative_dataflow): Likewise.
4694 (df_analyze_problem): Likewise.
4695 (df_compact_blocks): Likewise.
4696 (df_dump): Likewise.
4697 * df-scan.c (df_rescan_blocks): Likewise.
4698 (df_record_entry_block_defs): Likewise.
4700 * genconditions.c (write_conditions): Guard the definition of
4701 'insn_conditions' with the check on GCC version.
4702 (write_writer): Guard the traversal 'insn_conditions' with
4703 the check on GCC version.
4705 2006-02-07 Richard Guenther <rguenther@suse.de>
4709 2006-01-30 Richard Guenther <rguenther@suse.de>
4711 * gimplify.c (gimplify_target_expr): Handle easy cases
4712 without creating a temporary.
4714 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
4716 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
4717 use of float in probability computations. Use edge probabilities
4718 in place of statically computed probabilities.
4719 (min_spec_prob): New static variable.
4720 (schedule_insns): Initialize it.
4721 (GET_SRC_PROB): Removed.
4722 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
4724 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
4727 * config/ia64/unwind-ia64.c: Revert last change.
4728 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
4729 (INCOMING_FRAME_SP_OFFSET): Define.
4731 2006-02-06 Roger Sayle <roger@eyesopen.com>
4733 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
4735 2006-02-07 Ben Elliston <bje@au.ibm.com>
4737 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
4738 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
4739 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
4740 (ix86_return_in_memory): Handle TDmode.
4741 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
4742 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
4744 2006-02-06 Richard Sandiford <richard@codesourcery.com>
4746 * reorg.c (dbr_schedule): Use dump_file instead of file.
4748 2006-02-06 Steve Ellcey <sje@cup.hp.com>
4751 * config/ia64/predicates.md (extr_len_operand): New predicate.
4752 * config/ia64/ia64.md (extv): Tighten constraints.
4754 (*tbit_and_2): Ditto.
4755 (*tbit_and_3): Ditto.
4756 (*tbit_or_2): Ditto.
4757 (*tbit_or_3): Ditto.
4761 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
4764 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
4766 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4768 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
4769 loop_optimizer_init and loop_optimizer_finalize
4770 * tree-ssa-sink.c (execute_sink_code): Ditto.
4771 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4772 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
4773 tree_ssa_loop_done): Ditto.
4774 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
4775 * sched-ebb.c: Include output.h.
4776 (schedule_ebbs): Do not use dump argument.
4777 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
4778 * loop.c (loop_dump_stream): Removed.
4779 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
4781 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
4782 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
4783 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
4784 loop_iterations, strength_reduce, record_biv, record_giv,
4785 final_giv_value, check_final_value, check_ext_dependent_givs,
4786 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
4787 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
4788 dump_file instead of loop_dump_stream.
4789 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
4791 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
4793 * flow.c (life_analysis, rest_of_handle_life): Ditto.
4794 * haifa-sched.c: Include output.h
4795 (schedule_insns, sched_init): Do not use dump argument.
4796 * mode-switching.c (optimize_mode_switching): Ditto.
4797 * modulo-sched.c (stats_file): Removed.
4798 (print_node_sched_params): Do not call argument dump_file.
4799 (sms_schedule_by_order, loop_canon_p, sms_schedule,
4800 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
4802 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
4804 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
4805 rtl_loop_init, rtl_loop_done): Ditto.
4806 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
4807 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
4809 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
4810 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
4811 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
4812 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
4813 * emit-rtl.c (renumber_insns): Ditto.
4814 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
4815 expand_gimple_basic_block, tree_expand_cfg): Ditto.
4816 * regclass.c (regclass): Ditto.
4817 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
4818 remove_ssa_form, rewrite_out_of_ssa): Ditto.
4819 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
4820 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
4822 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
4823 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
4825 * gcse.c (gcse_file, debug_stderr): Removed.
4826 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
4827 rest_of_handle_gcse): Do not use dump argument.
4828 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
4829 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
4830 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
4831 compute_code_hoist_vbeinout, compute_code_hoist_data,
4832 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
4833 compute_store_table, build_store_vectors, insert_insn_start_bb,
4834 insert_store, remove_reachable_equiv_notes, replace_store_insn,
4835 store_motion): Use dump_file instead of gcse_file.
4836 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
4837 * profile.c (profile_dump_file): Removed.
4838 (branch_prob): Use dump_file instead of profile_dump_file.
4839 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
4841 * tree-ssa-copy.c (dump_copy_of): Ditto.
4842 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
4843 dump file to life_analysis.
4844 * bt-load.c (branch_target_load_optimize): Ditto.
4845 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
4847 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
4848 regclass, dbr_schedule): Declaration changed.
4849 * sched-int.h (sched_init): Declaration changed.
4850 * tree-profile.c (tree_profile_dump_file): Removed.
4851 (tree_profile_hooks): Removed profile_dump_file hook.
4852 * rtl-profile (rtl_profile_dump_file): Removed.
4853 (rtl_profile_hooks): emoved profile_dump_file hook.
4854 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
4856 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
4857 * tree-cfg.c (build_tree_cfg): Ditto.
4858 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
4859 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
4860 Declaration changed.
4861 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
4862 life_analysis and schedule_insns.
4863 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
4865 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
4867 * config/mips/mips.c (mips_reorg): Ditto.
4868 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
4871 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
4873 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4874 (s390_mangle_fundamental_type): New.
4875 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4878 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4879 (alpha_mangle_fundamental_type): New.
4880 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4883 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4885 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4887 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4888 (sparc_mangle_fundamental_type): New.
4890 2006-02-06 Jakub Jelinek <jakub@redhat.com>
4892 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
4893 (s390x-*-linux*): Likewise.
4894 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
4895 * config/s390/t-linux: New file.
4897 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4899 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
4900 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
4902 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
4904 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
4905 (ANTIC_SAFE_LOADS): New macro.
4906 (find_or_generate_expression): Add prototype.
4907 (set_contains_value): Allow null set for sake of not always having
4908 to allocate ANTIC_SAFE_LOADS.
4909 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
4910 Allow COMPONENT_REF too.
4911 (valid_in_set): Allow COMPONENT_REF.
4912 Check ANTIC_SAFE_LOADS too.
4913 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
4914 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
4916 (can_PRE_operation): Add COMPONENT_REF.
4917 (create_component_ref_by_pieces): New function.
4918 (create_expression_by_pieces): Use create_component_ref_by_pieces.
4919 (insert_aux): Move AGGREGATE_TYPE_P check here.
4920 (compute_avail): Set bb local stmt uids.
4921 (pass_pre): Use TODO_update_ssa_only_virtuals.
4923 2006-02-06 Ben Elliston <bje@au.ibm.com>
4925 * configure.ac: Unconditionally disable decimal float by default.
4926 * configure: Regenerate.
4928 2006-02-06 Ben Elliston <bje@au.ibm.com>
4930 * read-rtl.c (read_name): Terminate reading on EOF.
4932 2006-02-06 Ben Elliston <bje@au.ibm.com>
4934 * dfp.c (decimal_real_arithmetic): Change second argument type
4935 from int to enum tree_code. Do not always return true, but now
4936 return result of any call to decimal_do helper functions.
4937 * dfp.h (decimal_real_arithmetic): Update prototype.
4939 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
4941 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
4943 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
4946 * tree-cfg.c (cleanup_dead_labels): Also don't remove
4949 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4951 * tree-vrp.c (cfg_loops): Removed.
4952 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
4953 Use current_loops instead of cfg_loops. Pass flags to
4954 loop_optimizer_init.
4955 * cfgloopmanip.c (fix_loop_structure): Update only available
4957 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
4958 loop_optimizer_init.
4959 * modulo-sched.c (build_loops_structure): Removed.
4960 (sms_schedule): Use loop_optimizer_init.
4961 * loop-init.c (loop_optimizer_init): Use flags to determine
4962 which properties of loops to prepare.
4963 (rtl_loop_init): Pass flags to loop_optimizer_init.
4964 * tree-ssa-sink.c (execute_sink_code): Ditto.
4965 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
4966 * tree-ssa-pre.c (init_pre): Ditto.
4967 * cfgloop.h (LOOPS_NORMAL): New.
4968 (loop_optimizer_init): Declaration changed.
4970 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4972 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
4973 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
4975 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
4977 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
4979 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
4980 * pa/t-pa64: Delete quadlib.c rule.
4981 * pa/x-ada: Revert last change.
4982 * pa/t-pa: Revert last change. Delete quadlib.c rule.
4984 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4986 PR rtl-optimization/26087
4987 * rtlanal.c (canonicalize_condition): Do not cross basic block
4990 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
4993 * config/ia64/ia64.c: Include debug.h.
4994 (MAX_ARTIFICIAL_LABEL_BYTES): New.
4995 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
4996 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
4997 (process_epilogue, process_set, process_for_unwind_directive):
4998 Output unwind info only if requested. Add CFA info if requested.
4999 Add new arguments as needed. Adjust callers.
5000 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5002 (DWARF2_FRAME_INFO): Define to zero.
5003 * config/ia64/unwind-ia64.c: Remove code that compensated for
5004 the CFA offset error fixed above.
5005 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5006 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5007 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5008 -funwind-tables and -fexceptions to enable frame info.
5009 (dwarf2out_frame_init): Define initial CFA even if
5010 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5011 DWARF2_UNWIND_INFO is nonzero, not just defined.
5012 (dwarf2out_frame_finish): Output non-EH call frame info only
5013 if DWARF2_FRAME_INFO is nonzero.
5014 (convert_cfa_to_loc_list,
5015 compute_frame_pointer_to_cfa_displacement): Define even if
5016 unwind info is not supported.
5017 (gen_subprogram_die): Use the above unconditionally. Remove
5018 legacy alternate code.
5019 * toplev.c (compile_file): Compile in call to
5020 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5021 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5023 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5024 Jakub Jelinek <jakub@redhat.com>
5026 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5027 IBM extended float format long double as "g" on powerpc*-linux.
5029 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5032 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5033 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5035 2006-02-03 Jason Merrill <jason@redhat.com>
5038 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5041 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5042 on the return slot if it's an NRV.
5044 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5046 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5047 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5048 rewrite_use): Do not handle USE_OUTER.
5049 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5050 add_iv_outer_candidates, may_replace_final_value,
5051 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5052 (find_interesting_uses_op): Functionality of
5053 find_interesting_uses_outer_or_nonlin moved here.
5054 (find_interesting_uses_outside): Use find_interesting_uses_op.
5056 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5059 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5061 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5062 Ulrich Weigand <uweigand@de.ibm.com>
5065 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5066 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5067 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5068 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5070 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5071 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5072 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5073 Define secondary reloads for TFmode moves.
5074 (constant_modes): Add TFmode.
5075 (NR_C_MODES): Set to 8.
5076 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5078 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5079 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5080 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5081 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5082 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5083 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5084 (FPR mode macro): Add TFmode.
5085 (DSF mode macro): New.
5086 (<de>, <dee> mode attributes): Removed.
5087 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5088 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5089 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5090 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5091 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5092 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5093 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5094 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5095 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5096 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5097 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5098 "*negabs<mode>2", "sqrt<mode>2"):
5099 Changed <de> to <xde>. R constraint replaced by <Rf>.
5100 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5102 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5103 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5104 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5106 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5107 "extenddftf2", "extendsftf2"): New expanders.
5108 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5109 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5110 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5111 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5113 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5114 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5115 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5116 __floatditf): Add a GCC_4.1.0 symbol version tag.
5117 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5120 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5123 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5124 Use targetm.binds_local_p instead of TREE_PUBLIC.
5126 2006-02-02 Roger Sayle <roger@eyesopen.com>
5128 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5129 on INTEGER_TYPEs to indicate that it denotes a character type.
5130 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5131 signed_char_type_node, unsigned_char_type_node and char_type_node.
5132 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5133 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5134 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5136 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5137 Daniel Berlin <dberlin@dberlin.org>
5139 * tree-tailcall.c (arg_needs_copy_p): New function.
5140 (eliminate_tail_call): Use arg_needs_copy_p.
5141 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5142 (add_virtual_phis): New function.
5144 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5146 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5147 #ignore instead of #scratch for %g7 .register directive.
5149 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5151 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5154 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5156 * flow.c (calculate_global_regs_live): Assert that there aren't any
5159 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5161 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5163 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5164 bsi_after_labels iterator.
5165 * tree-if-conv.c (find_phi_replacement_condition,
5166 replace_phi_with_cond_modify_expr): Likewise.
5167 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5168 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5170 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5172 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5174 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5177 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5178 array after growing it.
5180 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5183 * fold-const.c (fold_checksum_tree): Change type of buf.
5185 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5187 * reload.c (push_secondary_reload): Initialize t_icode.
5189 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5191 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5192 -msoft-float -mlong-double-128 only issue a warning, but don't
5193 swich to DFmode long double.
5195 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5197 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5198 has a constant equivalent, iterate over equivalents for arg0,
5199 calling simplify_relational_operation and if there's a result
5200 cheaper than X, apply fold_rtx and return the result.
5202 2006-02-01 Jan Hubicka <jh@suse.cz>
5204 * opts.c (no_unit_at_a_time_default): New global variable.
5205 (decode_options): Use it.
5206 * opts.h (no_unit_at_a_time_default): Declare.
5208 2006-02-01 Paul Brook <paul@codesourcery.com>
5210 * function.c (assign_parm_setup_reg): Use function argument promotion
5212 * expr.c (expand_expr_real_1): Use function argument promotion rules
5215 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5217 * gcc.c (process_command): Change j to 'unsigned int'.
5219 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5222 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5223 Use the corrected index for the character
5224 out of the string constant.
5226 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5228 * mode-switching.c (optimize_mode_switching): Fix size
5229 allocated for bb_info[n_entities].
5231 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5233 * gcc.c (main): Correct type that is allocated for
5234 explicit_link_files.
5236 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5238 * config/s390/s390.c (init_alignment_context): Set
5239 ALIAS_SET_MEMORY_BARRIER on the MEM.
5240 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5242 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5245 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5247 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5250 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5252 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5253 * regrename.c: Ditto.
5254 * tree-ssa-loop-im.c: Ditto.
5255 * tree-dump.c: Ditto.
5256 * tree-complex.c: Ditto.
5257 * genrecog.c: Ditto.
5258 * tree-ssa-threadupdate.c: Ditto.
5260 * java/class.c: Ditto.
5261 * java/jcf-parse.c: Ditto.
5262 * java/resource.c: Ditto.
5263 * java/except.c: Ditto.
5264 * java/jvspec.c: Ditto.
5265 * java/jcf-write.c: Ditto.
5266 * java/jcf-path.c: Ditto.
5267 * java/gjavah.c: Ditto.
5268 * java/zextract.c: Ditto.
5269 * java/jcf-io.c: Ditto.
5270 * java/jcf.h: Ditto.
5271 * java/buffer.c: Ditto.
5272 * java/lang.c: Ditto.
5273 * java/parse-scan.y: Ditto.
5274 * java/lex.c: Ditto.
5275 * java/lex.h: Ditto.
5276 * cfgloopmanip.c: Ditto.
5277 * postreload-gcse.c: Ditto.
5278 * tree-ssa-loop-manip.c: Ditto.
5279 * postreload.c: Ditto.
5280 * tree-ssa-loop-ch.c: Ditto.
5284 * diagnostic.c: Ditto.
5286 * genoutput.c: Ditto.
5288 * cfghooks.c: Ditto.
5289 * cfgloopanal.c: Ditto.
5290 * objc/objc-act.c: Ditto.
5292 * genextract.c: Ditto.
5293 * genautomata.c: Ditto.
5294 * pretty-print.c: Ditto.
5296 * cgraphunit.c: Ditto.
5299 * haifa-sched.c: Ditto.
5300 * dominance.c: Ditto.
5302 * tree-ssa-loop-ivopts.c: Ditto.
5304 * mode-switching.c: Ditto.
5305 * modulo-sched.c: Ditto.
5307 * ipa-pure-const.c: Ditto.
5309 * fix-header.c: Ditto.
5311 * tree-stdarg.c: Ditto.
5312 * ipa-utils.c: Ditto.
5313 * loop-init.c: Ditto.
5314 * ipa-inline.c: Ditto.
5317 * alloc-pool.c: Ditto.
5318 * dwarf2out.c: Ditto.
5320 * genattrtab.c: Ditto.
5321 * tree-ssa-loop-ivcanon.c: Ditto.
5325 * fortran/gfortranspec.c: Ditto.
5327 * local-alloc.c: Ditto.
5328 * langhooks.c: Ditto.
5329 * function.c: Ditto.
5330 * tree-vectorizer.c: Ditto.
5332 * ipa-type-escape.c: Ditto.
5334 * tree-if-conv.c: Ditto.
5337 * tree-data-ref.c: Ditto.
5338 * loop-unroll.c: Ditto.
5339 * treelang/treetree.c: Ditto.
5342 * ggc-common.c: Ditto.
5344 * coverage.c: Ditto.
5346 * tree-cfgcleanup.c: Ditto.
5347 * tree-ssa-pre.c: Ditto.
5348 * cfgcleanup.c: Ditto.
5349 * loop-invariant.c: Ditto.
5351 * ipa-prop.c: Ditto.
5352 * print-tree.c: Ditto.
5353 * conflict.c: Ditto.
5354 * ggc-page.c: Ditto.
5355 * sched-deps.c: Ditto.
5356 * regclass.c: Ditto.
5357 * tree-object-size.c: Ditto.
5359 * bb-reorder.c: Ditto.
5360 * resource.c: Ditto.
5361 * var-tracking.c: Ditto.
5363 * df-problems.c: Ditto.
5364 * reg-stack.c: Ditto.
5367 * sched-rgn.c: Ditto.
5368 * tree-ssa-structalias.c: Ditto.
5369 * tree-ssa-reassoc.c: Ditto.
5370 * config/darwin-c.c: Ditto.
5371 * config/darwin.c: Ditto.
5372 * config/arm/arm.c: Ditto.
5374 * collect2.c: Ditto.
5377 2006-01-31 Nicolas Pitre <nico@cam.org>
5379 * arm.md (smaxsi3): Make aware of smax_m1.
5382 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5384 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5386 2006-01-31 Richard Guenther <rguenther@suse.de>
5388 * doc/invoke.texi (-msselibm): Document.
5389 * target.h (expand_library_builtin): New target hook.
5390 * builtins.c (expand_builtin): Use expand_library_builtin.
5391 (default_expand_library_builtin): New function.
5392 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5393 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5394 (link_gcc_math_spec): Declare.
5395 (static_specs): Add link_gcc_math_spec.
5396 * expr.h (default_expand_library_builtin): Declare.
5397 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5398 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5399 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5400 * config/i386/i386.opt (msselibm): New target option.
5401 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5402 (ix86_init_sse_abi_builtins): New function.
5403 (ix86_expand_library_builtin): Likewise.
5404 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5405 (override_options): Handle error conditions wrt -msselibm.
5406 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5407 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5408 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5411 2006-01-31 Richard Guenther <rguenther@suse.de>
5412 Paolo Bonzini <bonzini@gnu.org>
5414 * doc/install.texi (--disable-libgcc-math): Document.
5416 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5418 * expr.h (expand_normal): new inline function.
5419 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5421 * dwarf2out.c: use it.
5426 * config/sparc/sparc.c: use it.
5427 * config/i386/i386.c: use it.
5428 * config/rs6000/rs6000.c: use it.
5429 * config/arm/arm.c: use it.
5430 * config/mips/mips.c: use it.
5431 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5433 2006-01-30 Roger Sayle <roger@eyesopen.com>
5435 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5436 argv to the appropriate type.
5438 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5440 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5443 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5446 * config/s390/s390.c (struct machine_function): New flag
5447 decomposed_literal_pool_addresses_ok_p.
5448 (s390_reorg): Set it before final stage of literal pool transforms.
5449 (s390_decompose_address): Only accept displacements of the form
5450 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5452 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5454 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5455 the comparison routine return.
5457 2006-01-30 Michael Matz <matz@suse.de>
5459 * global.c (find_reg): Only evict for global regs.
5460 Take n_refs into account and dump more info.
5462 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5465 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5466 (pragma_trap, pragma_nosave_low_regs): Likewise.
5467 (current_function_anonymous_args): Likewise.
5468 (sh_deferred_function_attributes): New variable.
5469 (sh_deferred_function_attributes_tail): Likewise.
5470 (print_operand): For '@', look up trap_exit attribute.
5471 (calc_live_regs): Look up trapa_handler attribute. For trapa
5472 handlers, save/restore fpscr, but don't do any other
5473 interrupt-specific saves.
5474 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5475 Fix check for partially saved registers to check for SHmedia.
5476 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5477 (sh_output_function_epilogue): Don't clear any of the removed
5479 (sh_insert_attributes): Don't check pragma_interrupt.
5480 Insert deferred attributes. Check that interrupt attribute is
5481 present for other attributes that require its presence.
5482 (sh_attribute_table): Add new attributes trapa_handler and
5484 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5485 Don't check for pragma_interrupt. Don't store argument.
5486 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5487 (sh_deferred_function_attributes): Declare.
5488 (sh_deferred_function_attributes_tail): Likewise.
5489 * sh.md (sp_switch_1): Add operand. Change generator caller.
5490 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5491 (*return_i): Don't use when trap_exit attribute is in effect.
5492 (*return_trapa): New insn pattern.
5494 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5495 setting c_target_objs and cxx_target_objs.
5496 * t-sh: Add rule for sh-c.o.
5498 2006-01-30 Richard Guenther <rguenther@suse.de>
5501 * gimplify.c (gimplify_target_expr): Handle easy cases
5502 without creating a temporary.
5504 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5506 * vec.h (safe_grow): Remove duplicated line.
5508 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5511 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5512 (expand_omp): ... here.
5513 (expand_omp_parallel): Only remove barriers for combined
5514 parallel+workshare constructs.
5516 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5520 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5521 * tree.c (build_qualified_type): Chain the new type to the original
5522 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5523 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5524 (build_pointer_type_for_mode): Only return unqualified types.
5525 (build_reference_type_for_mode): Likewise.
5527 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5529 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5530 * Makefile.in (CXX_COMPAT_WARN): Define.
5531 * configure: Regenerate.
5533 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5536 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5539 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5541 * toplev.c: Fix thinko.
5543 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5544 Marcin Dalecki <martin@dalecki.de>
5546 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5547 (push_srcloc): Use XNEW.
5548 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5550 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5552 * df-core.c (df_set_blocks): Deleted all variable.
5554 2006-01-28 Ian Lance Taylor <ian@airs.com>
5556 * cgraphunit.c (cgraph_assemble_pending_functions): Call
5557 cgraph_output_pending_asms.
5559 2006-01-28 Zack Weinberg <zackw@panix.com>
5561 * c.opt: Add -W(no-)overlength-strings.
5562 * doc/invoke.texi: Document it.
5563 * c-opts.c (c_common_handle_option): -pedantic implies
5564 -Woverlength-strings, if not explicitly disabled already.
5565 (c_common_post_options): -Woverlength-strings defaults to off, and
5566 is always off for C++.
5567 * c-common.c (fix_string_type): Issue warning about strings longer
5568 than is portable only if warn_overlength_strings. Rearrange code
5569 a little for clarity.
5570 * configure.in: Check for -Wno-overlength-strings as well before
5571 enabling -pedantic in stage 1.
5572 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
5573 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
5575 * genconditions.c (write_header, write_one_condition)
5576 (write_conditions, write_writer): Consolidate very long strings
5577 that were broken up to fit in C89 portable limit. Don't use
5578 printf when fputs will do.
5580 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
5582 * combine.c (simplify_comparison <AND>): Check
5583 TRULY_NOOP_TRUNCATION before start using a subreg.
5585 * config/mips/mips.md (*branch_zero<mode>,
5586 *branch_zero<mode>_inverted, *branch_equality<mode>,
5587 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
5588 Remove mode check from comparisons.
5590 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
5592 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
5594 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5596 * expmed.c (const_mult_add_overflow_p): Remove.
5597 * expr.h: Remove the prototype for const_mult_add_overflow_p.
5599 * recog.c (validate_replace_rtx_subexp): Remove.
5600 * recog.h: Remove the prototype for
5601 validate_replace_rtx_subexp.
5603 * integrate.h: Remove the prototype for
5604 copy_decl_for_inlining.
5605 * rtl.h: Remove the prototype for mark_constant_function.
5606 * tree-vectorizer.h: Remove the prototype for
5607 vect_strip_conversion.
5609 * modulo-sched.c (create_partial_schedule,
5610 free_partial_schedule, reset_partial_schedule): Make them
5613 * hooks.c (hook_bool_rtx_int_false): Remove.
5614 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
5616 2006-01-28 David Edelsohn <edelsohn@gnu.org>
5618 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5619 and -mlong-double-128 are incompatible.
5620 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
5621 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
5622 (TARGET_LIBGCC2_CFLAGS): Define.
5623 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
5624 (TARGET_LIBGCC2_CFLAGS): Same.
5625 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
5627 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5630 * c-typeck.c (build_binary_op): Perform implicit casts of
5631 operands before shortening them.
5633 * cfgloopmanip.c (split_loop_bb): Remove.
5634 * cfgloop.h: Remove the prototype for split_loop_bb.
5636 * cfgloop.c (flow_loop_outside_edge_p): Remove.
5637 * cfgloop.h: Remove the prototype for
5638 flow_loop_outside_edge_p.
5640 * emit-rtl.c (init_virtual_regs): Make it static.
5641 * function.h: Remove the prototype for init_virtual_regs.
5643 * recog.c (peephole2_optimize): Make it static.
5644 * recog.h: Remove the prototype for peephole2_optimize.
5646 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5648 * df-scan.c (df_record_entry_block_defs): Check if
5649 INCOMING_RETURN_ADDR_RTX is defined.
5651 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
5652 Kenneth Zadeck <zadeck@naturalbridge.com>
5654 PR rtl-optimization/24762
5655 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5656 * targhooks.c (hook_void_bitmap): New hook prototype.
5657 * targhoohs.h (hook_void_bitmap): Ditto.
5658 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
5659 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
5660 * target.h (live_on_entry): New function pointer.
5661 * df-scan.c (df_all_hard_regs): Removed.
5662 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
5663 (df_scan_free_internal): Added df->entry_block_defs.
5664 (df_scan_alloc): Ditto.
5665 (df_scan_dump): Ditto.
5666 (df_uses_record): Plumbed flag field properly thru calls.
5667 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
5668 This part fixes PR24762.
5669 (df_bb_refs_record): Added code to make the frame and arg
5670 pointers live in EH blocks.
5671 (df_refs_record): Added call to df_record_entry_block_defs.
5672 (df_record_entry_block_defs): New function.
5673 * df-core.c: Added comments to describe new artifical defs.
5674 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
5675 (entry_block_defs): New field in struct df.
5676 (df_all_hard_regs): Deleted.
5677 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5678 * df-problems.c (df_ru_bb_local_compute_process_def):
5679 Added code to handle artifical defs in the entry to a function.
5680 (df_ru_bb_local_compute): Ditto.
5681 (df_rd_bb_local_compute_process_def): Ditto.
5682 (df_rd_bb_local_compute): Ditto.
5683 (df_lr_bb_local_compute): Ditto.
5684 (df_ur_bb_local_compute): Ditto.
5685 (df_urec_bb_local_compute): Ditto.
5686 (df_chain_create_bb): Ditto.
5687 (df_ur_local_finalize): Removed entry.
5688 (df_urec_init): Ditto.
5689 (df_urec_local_finalize): Ditto.
5690 (df_ri_bb_compute): Added detection of last use of pseudos.
5691 * Makefile.in (df-scan.o): Updated dependencies.
5692 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
5693 * config/mips/mips.c (mips_set_live_on_entry): Added.
5694 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
5696 * dce.c (marked_insn_p): Added code to handle artifical defs.
5698 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5700 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
5702 (_mm_cvtsi128_si64): Likewise.
5703 (_mm_cvtsd_si64): Likewise.
5704 (_mm_cvttsd_si64): Likewise.
5705 (_mm_cvtsi64_sd): Likewise.
5706 (_mm_cvtsi64_si128): Likewise.
5707 * config/i386/mmintrin.h (_m_from_int64): Likewise.
5708 (_mm_cvtsi64_m64): Likewise.
5709 (_m_to_int64): Likewise.
5710 (_mm_cvtm64_si64): Likewise.
5711 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
5712 (_mm_cvttss_si64): Likewise.
5713 (_mm_cvtsi64_ss): Likewise.
5714 (_mm_cvtss_f32): Likewise.
5716 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
5718 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
5719 for pragma redefine_extname.
5721 2006-01-27 Jakub Jelinek <jakub@redhat.com>
5724 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
5725 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
5726 -mno-minimal-toc to previous content.
5727 (bispecs): Remove goal.
5728 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
5729 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
5730 compatibility aliases on powerpc-*-*gnu*.
5731 * config/rs6000/libgcc-ppc-glibc.ver: New file.
5732 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
5733 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
5734 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
5735 (ldblspecs): New goal.
5736 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
5737 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
5739 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
5740 L_sf_to_tf or L_df_to_tf is defined.
5742 2006-01-27 David Edelsohn <edelsohn@gnu.org>
5743 Alan Modra <amodra@bigpond.net.au>
5746 * config/rs6000/linux.h (POWERPC_LINUX): Define.
5747 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
5748 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
5749 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
5750 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
5751 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
5752 (rs6000_override_options): Initialize rs6000_ieeequad.
5753 Initialize TFmode format to ibm_extended_format if not
5755 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
5757 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
5758 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
5759 (function_arg_advance): IBM long double passed in two FPRs, not
5761 (function_arg): IBM long double passed in FPRs.
5762 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
5763 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
5764 Only multireg GPR aligned.
5765 (rs6000_init_libfuncs): Enable IBM long double functions if not
5767 (rs6000_generate_compare): Use IBM long double compare if not
5769 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
5770 (TARGET_IEEEQUAD): Define.
5771 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
5772 not TARGET_IEEEQUAD.
5773 * config/rs6000/rs6000.md: Enable TFmode patterns if
5775 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
5776 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5777 and -mlong-double-128 are incompatible.
5778 * doc/invoke.texi (-mabi): Collect options together. Add
5779 ibmlongdouble and ieeelongdouble.
5781 2006-01-27 Richard Sandiford <richard@codesourcery.com>
5783 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
5785 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
5786 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
5787 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
5788 * rtl.h (rtunion_def): Remove rt_ptr.
5790 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
5791 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
5792 * config/i386/winnt.c (i386_pe_mark_dllexport)
5793 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
5795 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
5797 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
5799 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5803 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
5804 pthread_key_delete. From John David Anglin. gthrw-ify
5805 pthread_getunique_np only if it it's not a macro. Delete
5807 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
5808 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
5809 __gthread_objc_condition_signal, __gthread_key_delete): Add
5810 "__attribute__ ((__unused__))" to unused arguments.
5811 (__gthread_recursive_mutex_init_function): Add missing return.
5812 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
5813 gthr-posix95.h: Use macro-based approach for name redirection
5814 on targets missing weakref.
5816 2006-01-26 Zack Weinberg <zackw@panix.com>
5818 * genconditions.c (write_header): In generated code, #ifdef out
5819 all includes and fake declarations, except includes of bconfig.h
5820 and system.h, unless GCC_VERSION >= 3001. Do not include
5821 gensupport.h in any case.
5822 (write_conditions): Generate a definition of struct c_test. Add
5823 a comment to the generated #endif.
5824 (write_one_condition): Escape backslashes in string too.
5825 (write_writer): Generated code must escape backslashes and quote
5826 marks (but not newlines) in the strings it writes.
5827 * Makefile.in (build/gencondmd.o): Update dependencies.
5829 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5832 * Makefile.in (insn-automata.o): Add header file dependencies.
5833 * genautomata.c: Add includes.
5835 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5838 * Makefile.in (insn-automata.o): Add -Wno-error flag.
5840 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5842 * configure.ac: Expect target tools paths to be passed from the toplevel
5843 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
5845 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
5847 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5850 * c.opt (Wpointer-sign): Init to -1.
5851 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
5852 OPT_pedantic, to 0 otherwise.
5853 * doc/invoke.texi: Update.
5855 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5857 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
5858 constants provided by 80387 instructions in the destination mode.
5860 2006-01-26 Richard Guenther <rguenther@suse.de>
5861 Andrew Pinski <pinskia@physics.uc.edu>
5864 partial PR tree-opt/17064
5865 * tree-ssa-structalias.c (intra_create_variable_infos):
5866 Create heap variables for incoming parameters if
5867 flag_argument_noalias > 1.
5868 (find_what_p_points_to): Look through default defs of
5871 2006-01-26 Jeff Law <law@redhat.com>
5874 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
5875 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
5876 within the VR_RANGE, use the VR_RANGE as the result, not the
5878 (adjust_range_with_scev): Reject ranges from SCEV which are out of
5879 bounds for the type.
5881 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
5883 * tree-ssa-alias.c (maybe_create_global_var): Change
5884 subvar walking to an assertion that we don't have subvar'd variables.
5886 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
5889 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
5890 Use a new variable, inner. PARM_DECLs are always non-weak.
5892 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
5894 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
5897 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
5899 * config/mips/mips.md (*clear_upper32): New combiner pattern.
5901 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
5903 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
5904 (smax_insn, smin_insn, smax_0, smin_0): New.
5906 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
5909 * config/cris/cris.c (cris_order_for_addsi3): New function.
5910 * config/cris/cris-protos.h: Prototype it.
5911 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
5912 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
5913 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
5914 (split for "op.S1 [rx=rx+i],ry (swapped)")
5915 (split for "op(s|u).S1 [rx=rx+i],ry")
5916 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
5917 Apply cris_order_for_addsi3 when generating addsi3 insns.
5919 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5921 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
5922 (TREE_BLOCK): Add call to EXPR_CHECK.
5924 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5927 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
5928 * tree-pretty-print.c (dump_omp_clause): Extract from ...
5929 (dump_omp_clauses): ... here.
5930 (dump_generic_node): Handle OMP_CLAUSE.
5931 * tree.c (omp_clause_num_ops): New.
5932 (omp_clause_code_name): New.
5933 (tree_code_size): Handle OMP_CLAUSE.
5934 (tree_size): Likewise.
5935 (make_node): Document handling of OMP_CLAUSE.
5936 (tree_node_structure): Handle OMP_CLAUSE.
5937 (omp_clause_check_failed): New.
5938 (omp_clause_range_check_failed): New.
5939 (omp_clause_operand_check_failed): New.
5940 (build_omp_clause): New.
5941 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
5942 * tree.h (enum omp_clause_code): Declare.
5943 (OMP_CLAUSE_SUBCODE_CHECK): Define.
5944 (OMP_CLAUSE_RANGE_CHECK): Define.
5945 (OMP_CLAUSE_ELT_CHECK): Define.
5946 (omp_clause_check_failed): Declare.
5947 (omp_clause_operand_check_failed): Declare.
5948 (omp_clause_range_check_failed): Declare.
5949 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
5950 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
5951 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
5952 (OMP_CLAUSE_LASTPRIVATE): Likewise.
5953 (OMP_CLAUSE_IF_EXPR): Likewise.
5954 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
5955 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
5956 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
5957 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
5958 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
5959 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
5960 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
5961 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
5962 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
5963 (OMP_CLAUSE_CODE): Define.
5964 (OMP_CLAUSE_SET_CODE): Define.
5965 (OMP_CLAUSE_CODE): Define.
5966 (OMP_CLAUSE_OPERAND): Define.
5967 (struct tree_omp_clause): Declare.
5968 (union tree_node): Add field 'omp_clause'.
5969 * treestruct.def (TS_OMP_CLAUSE): Define.
5970 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
5971 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
5972 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
5973 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
5974 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
5975 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
5976 (OMP_CLAUSE): Define.
5977 * print-tree.c (print_node): Handle OMP_CLAUSE.
5978 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
5979 * c-typeck.c: Likewise.
5980 * gimplify.c: Likewise.
5981 * c-omp.c: Likewise.
5982 * tree-nested.c: Likewise.
5983 * tree-inline.c: Likewise.
5984 * c-parser.c: Likewise.
5985 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
5988 2006-01-25 Roger Sayle <roger@eyesopen.com>
5990 PR rtl-optimization/25703
5991 * combine.c (try_combine): Handle zero_extract and strict_low_part
5992 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
5994 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
5996 * global.c: Fix comment typos.
5998 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6001 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6002 Use output_addr_const instead of assemble_name.
6004 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6006 * Makefile.in (sched-vis.o): Update dependencies.
6007 * haifa-sched.c (sched_finish): Clear current_sched_info.
6008 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6009 (dump_flow_info): Call it.
6010 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6012 * basic-block.h (dump_bb_info): Declare.
6013 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6014 option, and apply options only for dump files whose TDF_RTL,
6015 TDF_TREE, or TDF_IPA bits match.
6016 * rtl.h: Declare new functions exported from sched-vis.c.
6017 * sched-vis.c: Enable also if scheduling is not used.
6018 (print_value): Print the mode of registers if not inside scheduling.
6019 (print_insn): Make it work outside the scheduler. Beautify the output
6021 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6023 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6025 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6026 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6027 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6028 depending on the value of CONSTANT_POOL_ADDRESS_P.
6029 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6031 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6032 rather than SYMBOL_REF_DECL.
6033 (rtx_constant_pool): Remove const_rtx_sym_htab.
6034 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6035 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6036 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6037 Remove handling of const_rtx_sym_htab.
6038 (find_pool_constant): Delete.
6039 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6040 rather than find_pool_constant.
6041 (get_pool_constant_for_function): Delete.
6042 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6044 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6045 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6046 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6047 (SYMBOL_REF_CONSTANT): New macro.
6048 (get_pool_constant_for_function): Delete.
6049 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6050 rather than SYMBOL_REF_DECL.
6051 (i386_pe_mark_dllimport): Likewise.
6052 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6053 rather than SYMBOL_REF_DECL.
6054 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6055 (machopic_indirect_call_target): Likewise.
6057 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6059 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6061 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6063 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6065 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6067 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6069 2006-01-24 David Daney <ddaney@avtrex.com>
6072 * configure.ac (enable_tls): New enable option.
6073 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6074 * configure: Regenerate.
6075 * doc/install.texi (--enable-tls): Document new option.
6076 (--disable-tls): Ditto.
6078 2006-01-24 Richard Henderson <rth@redehat.com>
6080 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6081 * alias.c (true_dependence): Respect it.
6082 (canon_true_dependence, write_dependence_p): Likewise.
6083 * builtins.c (get_builtin_sync_mem): Set it.
6085 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6087 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6090 2006-01-24 DJ Delorie <dj@redhat.com>
6092 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6093 for storing constants in single-bit bitfields.
6095 2006-01-25 Ben Elliston <bje@au.ibm.com>
6097 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6099 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6102 * tree-ssa-pre.c (phi_translate): Return NULL
6103 for AGGREGATE_TYPE's.
6105 2006-01-24 Zack Weinberg <zackw@panix.com>
6107 * genautomata.c (process_state_for_insn_equiv_partition):
6108 Use xcalloc for insn_arcs_array.
6109 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6110 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6112 2006-01-24 Richard Henderson <rth@redhat.com>
6114 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6117 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6119 PR rtl-optimization/25890
6120 PR rtl-optimization/25905
6121 * combine.c (expand_compound_operation, expand_field_assignment):
6122 Fail if the bitfield's final position is out of bounds.
6124 2006-01-24 Ian Lance Taylor <ian@airs.com>
6127 * cgraphunit.c (cgraph_output_in_order): Don't clear
6128 cgraph_asm_nodes until after asm strings have been output.
6130 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6132 * fix-header.c (read_scan_file): Add new parameter imultilib when
6133 calling register_include_chains.
6135 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6137 * omp-low.c: Update documentation.
6139 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6140 Daniel Berlin <dberlin@dberlin.org>
6144 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6145 return from the function.
6147 2006-01-22 Zack Weinberg <zackw@panix.com>
6149 * rtl.def (match_code): Add second argument.
6150 * genpreds.c (write_extract_subexp): New function.
6151 (write_match_code): Add path argument. Use write_extract_subexp.
6152 (write_predicate_expr): Pass path to write_match_code.
6153 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6154 not perform a mode test.
6155 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6156 a subexpression does not constrain the top-level code set.
6157 * read-rtl.c (read_rtx_variadic): New function.
6158 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6159 * doc/md.texi: Document new notation.
6160 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6161 (cmpsi_operand): ... here, using new notation.
6163 2006-01-22 Zack Weinberg <zackw@panix.com>
6165 * varray.c: Remove GENERATOR_FILE #ifdefs.
6167 2006-01-22 Zack Weinberg <zackw@panix.com>
6169 * genautomata.c (output_reserved_units_table): Emit nothing if
6170 description->query_units_num is zero. Remove extra blank line.
6171 (output_cpu_unit_reservation_p): Short circuit
6172 if description->query_units_num is zero.
6174 2006-01-22 Zack Weinberg <zackw@panix.com>
6176 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6177 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6178 nor any of the random handful of variables that used to be necessary
6179 when this program was linked with rtlanal.o. Prune set of forward
6180 function declarations.
6181 (struct attr_desc): Remove static_p field.
6182 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6183 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6184 (attr_string): Do not read the character one past the length of
6186 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6187 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6188 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6189 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6190 (make_automaton_attrs): New.
6191 (main): Do not call into genautomata. Call local gen_bypass
6192 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6193 Remove special case for insn_alts.
6194 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6195 varray.h (leftover from previous change). Prune set of forward
6196 function declarations. Remove state_alts fields from all
6197 structures. Remove state_alts_table from struct automaton.
6198 Make everything except main static. Do not maintain num_dfa_decls.
6199 Do not maintain state_alts fields of various structures.
6200 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6201 (add_arc): Remove state_alts argument. All callers updated.
6202 (output_reserved_units_table): Emit #ifdef here...
6203 (output_tables): ...not here. Don't generate state_alts tables.
6204 (expand_automata): Don't generate attributes.
6205 (write_automata): Don't generate state_alts functions.
6206 (main): New function.
6207 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6208 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6209 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6210 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6211 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6212 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6213 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6214 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6216 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6217 * genattrtab.h: Delete file.
6218 * Makefile.in (OBJS-common): Add insn-automata.o.
6219 (insn-automata.o): New rule.
6220 (simple_generated_c): Add insn-automata.c.
6221 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6222 (genprogmd): Add automata.
6223 (build/genattrtab): Needs no extra objects nor libraries.
6224 (build/genautomata): Needs build/vec.o and -lm.
6226 2006-01-22 Zack Weinberg <zackw@panix.com>
6228 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6229 (output_dfa_max_issue_rate, locked_states_num): Delete.
6230 (struct automaton): Add locked_states field.
6231 (output_dead_lock_vect): Save number of locked states in
6232 automaton->locked_states. If it is zero, don't print anything.
6233 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6234 (output_internal_dead_lock_func): Only test the dead_lock_vect
6235 for automata that have locked states.
6236 (output_statistics): Always print the number of locked states for
6237 each automaton. Calculate total number of locked states here.
6238 (write_automata): Don't call output_dfa_max_issue_rate.
6239 * genattrtab.c: Define length_unit_log as a const variable.
6240 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6241 max_insn_queue_index const.
6242 * final.c (length_unit_log): Declare const.
6243 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6245 2006-01-22 Zack Weinberg <zackw@panix.com>
6247 * genautomata.c: Include vec.h, not varray.h.
6248 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6249 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6250 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6251 VEC_* macros operating on appropriately typed vectors, or to
6252 malloced arrays when the size is known in advance. Const-ify
6253 many char* variables and function arguments. No functional changes.
6254 * Makefile.in (build/varray.o): Delete rule.
6255 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6256 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6258 2006-01-22 Zack Weinberg <zackw@panix.com>
6260 * gensupport.c: Define get_insn_name and record_insn_name here.
6261 (read_md_rtx): Call record_insn_name as appropriate.
6262 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6263 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6264 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6266 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6267 (BUILD_VARRAY): Delete.
6268 (genprognormal): Rename genprogmd. Fold in all programs from
6269 genprognoprint; also attrtab.
6270 (build/genattrtab): Just mention genautomata.o and varray.o.
6271 Reorganize a bit, add comments to make the categories clearer.
6273 2006-01-22 Zack Weinberg <zackw@panix.com>
6275 * genconditions.c (condition_table, add_condition): Delete.
6276 (write_conditions): Don't emit n_insn_conditions nor
6277 insn_elision_unavailable. Issue the gcc version #ifdef here,
6278 inside the table, with no #else clause ...
6279 (write_header): ...not here.
6280 (write_writer): New function.
6281 (main): Don't initialize condition_table. Use add_c_test.
6283 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6284 files on the command line.
6285 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6286 Return -1 if there is no entry in the table, don't abort.
6287 (add_c_test, traverse_c_tests): New functions.
6288 * gensupport.h (insn_elision_unavailable, insn_conditions)
6289 (n_insn_conditions): Delete declarations.
6290 (add_c_test, traverse_c_tests): Declare.
6291 * read-rtl.c: Include gensupport.h.
6292 (read_conditions): New function.
6293 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6294 (read_rtx_1): If we get EOF when we were looking for an initial
6295 open paren, return 0. Call read_conditions when appropriate.
6296 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6297 dummy-conditions.o. Eliminate references to insn-conditions.o,
6298 or change them to build/gencondmd.o, as appropriate. Remove
6299 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6300 from $(simple_generated_c). For all files remaining in those
6301 two lists, add insn-conditions.md to the generator command line.
6302 Give insn-constants.h/s-constants their own rules. Add rules
6303 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6304 (build/read-rtl.o): Depend on gensupport.h.
6305 (genprognormal): Include preds.
6306 (genprogearly): Rename genprognoprint; only difference is now that
6307 they don't link with $(BUILD_PRINT).
6308 * dummy-conditions.c: Delete.
6310 2006-01-22 Zack Weinberg <zackw@panix.com>
6312 * genextract.c: Don't include insn-config.h. Do include vec.h.
6313 Declare vectors of int, char, and locstr.
6314 (locstr): New typedef.
6315 (struct extraction): Make all array fields into bare pointers.
6316 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6317 (insn_code_number): Delete.
6318 (accum_extract): New struct.
6319 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6320 (gen_insn): Take insn_code_number as an argument. Use an
6321 accum_extract structure instead of loading data directly into
6322 a struct extraction, and having to know how big it might get.
6323 (walk_rtx): Operate entirely on an accum_extract structure.
6324 (print_path): Avoid unnecessary use of printf.
6325 (print_header): New function, split out of main. Distinguish
6326 more carefully between an unrecognizable insn and an insn that
6327 has the code number of a define_expand.
6328 (main): Pass insn_code_number to gen_insn. Call print_header
6329 only after parsing. Avoid unnecessary use of printf.
6330 * Makefile.in (build/vec.o): New rule.
6331 (build/genextract): Depend on build/vec.o.
6332 (build/genextract.o): Don't depend on insn-config.h.
6334 2006-01-22 Zack Weinberg <zackw@panix.com>
6336 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6337 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6338 practical. Eliminate per-generator-program link rules.
6340 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6343 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6344 with a call expr to ...
6345 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6347 2006-01-23 Richard Guenther <rguenther@suse.de>
6349 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6350 before make_edge with conditional EDGE_TRUE_VALUE.
6352 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6353 Jan Hubicka <jh@suse.cz>
6354 Richard Guenther <rguenther@suse.de>
6356 PR rtl-optimization/25654
6357 * cfgexpand.c (aggregate_contains_union_type): New function.
6358 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6359 for structure variables that contain a union type.
6361 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6363 * gengtype.c (new_structure): Return the structure.
6364 (create_option): Add an extra "next" argument.
6365 (create_field): New function.
6366 (adjust_field_rtx_def): Use create_option and create_field.
6367 Remove a now-unnecessary call to find_structure.
6368 (adjust_field_tree_def): Likewise.
6369 (note_yacc_type): Remove an unnecessary call to find_structure.
6370 * gengtype.h (new_structure): Return the structure.
6371 (create_option): Add an extra argument.
6372 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6373 (option): Adjust calls to create_option.
6375 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6377 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6379 2006-01-22 Paul Brook <paul@codesourcery.com>
6380 Peter Barada <peter@the-baradas.com>
6382 * config/m68k/m68k.md: Add Coldfire FPU support.
6383 Define FP mode macro and associated attributes.
6384 Use it for float mode patterns.
6385 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6386 (LIBCALL_VALUE): Use m68k_libcall_value.
6387 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6388 (m68k_function_value): Ditto.
6389 (emit_move_sequence): Ditto.
6390 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6391 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6392 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6393 (MULTILIB_EXCEPTIONS): Ditto.
6394 * config/m68k/m68k.opt: Add mcfv4e.
6395 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6396 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6397 (m68k_output_function_prologue): Save ColdFire FPU registers.
6398 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6399 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6400 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6401 ColdFire FPU registers.
6402 (m68k_libcall_value, m68k_function_value): New functions.
6403 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6404 (LIBCALL_VALUE): Use m68k_libcall_value.
6405 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6406 (MASK_COLDFIRE): Add MASK_CFV4E.
6407 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6408 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6409 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6410 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6411 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6412 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6413 * doc/invoke.tex: Document -mcfv4e on m68k.
6415 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6417 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6420 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6423 * c-opts.c (c_common_handle_option): Don't include
6424 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6425 * doc/invoke.texi (C++ Dialect Options): Document that
6426 -Wnon-virtual-dtor is no longer included in -Wall.
6428 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6430 * gcov.c (print_version), gcov-dump.c (print_version),
6431 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6434 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6436 * df-scan.c (problem_SCAN): Added NULL reset function.
6437 (df_scan_reset_blocks): Added code to call reset block function
6438 (df_bb_refs_delete) Fixed comment.
6439 (df_insn_refs_delete): Made tolerant of deleting non existent info
6440 for dataflow problems that need to be reset.
6441 * df-core.c (df_set_blocks): Ditto.
6442 * df.h (struct df_problem): Added reset_fun.
6443 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6444 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6445 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6446 functions to clear out all references to def-use or use-def chains.
6448 2006-01-21 Ben Elliston <bje@au.ibm.com>
6450 * varasm.c (assemble_real): Initialise data array.
6452 2006-01-20 Paul Brook <paul@codesourcery.com>
6454 Merge from csl-arm-branch.
6455 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6456 * config/arm/arm.md (movdi): Force operands[1] to a register
6457 if we have a non-register source.
6458 (*arm_movdi, *movdf_soft_insn): Require that one of the
6459 operands be a register.
6460 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6461 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6463 2006-01-20 DJ Delorie <dj@redhat.com>
6465 * varasm.c (initialize_constant_valid_p): Allow pointers
6466 initialized from integer constants of lesser precision.
6467 (output_constant): Allow non-int-sized pointer modes to be
6468 initialized from integer constants.
6470 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6473 * cppdefault.h (struct default_include): Add multilib flag.
6474 * cppdefault.c (cpp_include_defaults): Set it.
6475 * c.opt (-imultilib): New option.
6476 * c-opts.c (imultilib): New.
6477 (c_common_handle_option): Handle -imultilib.
6478 (c_common_post_options): Likewise.
6479 * c-incpath.c (add_standard_paths, register_include_chains):
6481 * c-incpath.h (register_include_chains): Add extra parameter.
6482 * gcc.c (do_spec_1): Generate -imultilib option.
6483 (The Specs Language): Update %I description.
6484 (process_command): Update copyright notice.
6485 * doc/cppopts.texi (-imultilib): Document.
6486 * doc/invoke.texi (-imultilib): Include in option summary.
6487 (%I): Update specs documentation.
6489 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6491 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6493 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6495 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6498 2006-01-20 Richard Guenther <rguenther@suse.de>
6499 Steven Bosscher <stevenb.gcc@gmail.com>
6501 PR rtl-optimization/24626
6502 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6503 EDGE_TRUE_VALUE if in RTL mode.
6506 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6507 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6509 2006-01-20 Dirk Mueller <dmueller@suse.com>
6512 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6513 instead of a special NOP marker.
6514 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6515 NOP marker handling.
6516 * c-common.h (empty_body_warning): Add forward declaration.
6517 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6518 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6520 2006-01-20 Paul Brook <paul@codesourcery.com>
6522 * Makefile.in (lang_checks): Keep going if mkdir fails.
6524 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6526 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6527 be able to clean out basic block when not necessary.
6528 (df_scan_free): Fixed to properly delete information if df is
6529 unused before calling df_finish.
6530 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6531 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6533 (df_bb_refs_delete): New function.
6534 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6535 * df-core.c (df_set_blocks): Added code to properly clean out
6536 unused blocks if they are not part of the blocks to consider.
6537 Added additional null check.
6538 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6539 be able to clean out basic block when not necessary
6540 * df.h (df_free_bb_function): Ditto.
6541 (df_bb_refs_delete): New function.
6542 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6543 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6544 basic block parameter to be able to clean out basic block when not
6546 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6547 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6548 Fixed to properly delete information if df is unused before
6551 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6553 PR rtl-optimization/25799
6554 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
6555 Corrected confluence operator to remove bits from op2 before oring
6556 with op1 rather than removing bits from op1.
6557 (df_ru_transfer_function): Corrected test on wrong bitmap which
6558 caused infinite loop. Both of these problems were introduced in
6559 the dataflow rewrite.
6561 2006-01-19 DJ Delorie <dj@redhat.com>
6563 * reload1.c (find_reload_regs): Note the details of reload
6564 failures in the dump file.
6565 (spill_failure): Likewise.
6567 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6569 * loop-iv.c: Include df.h and hashtab.h.
6570 (enum iv_grd_result): New enum.
6571 (DF_REF_IV, DF_REF_IV_SET): New macros.
6572 (struct biv_entry): New.
6573 (df, bivs): New global variables.
6574 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
6575 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
6577 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
6578 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
6579 analyzed_for_bivness_p, record_biv): New functions.
6580 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
6581 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
6582 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
6584 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
6586 (iv_number_of_iterations): Use new interface to iv analysis.
6587 * loop-unroll.c: Do not include varray.h.
6588 (analyze_iv_to_split_insn): Use new interface to iv
6590 * loop-unswitch.c (may_unswitch_on): Ditto.
6591 * df.c (df_bitmaps_free): Only work for bbs for that structures are
6593 (df_bb_modify): Realloc tables to the new index.
6594 (df_find_use): New function.
6595 * df.h (df_find_use): Declare.
6596 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
6598 * cfgloop.h (struct rtx_iv): Remove analysed field.
6599 (iv_get_reaching_def): Removed.
6600 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
6601 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
6602 (loop-iv.o): Add df.h and hashtab.h dependency.
6603 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
6605 2006-01-20 Alan Modra <amodra@bigpond.net.au>
6608 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
6610 (__floatundisf, __floatundidf): Likewise.
6611 * libgcc2.h (IS_IBM_EXTENDED): Define.
6613 2006-01-19 DJ Delorie <dj@redhat.com>
6615 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
6617 2006-01-19 Paul Brook <paul@codesourcery.com>
6619 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
6620 as nothrow when unwinding tables are disabled.
6622 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6625 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
6626 of bit-field" when in system header.
6628 2006-01-19 DJ Delorie <dj@redhat.com>
6630 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
6631 the 16 bit shift limit of the m16c.
6633 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
6636 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
6637 * config/i386/i386.c (output_set_got): Output the label if we have one
6638 for the TARGET_DEEP_BRANCH_PREDICTION case.
6640 2006-01-19 Jan Hubicka <jh@suse.cz>
6641 H.J. Lu <hongjiu.lu@intel.com>
6642 Evandro Menezes <evandro.menezes@amd.com>
6644 * invoke.texi (generic): Document
6646 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
6647 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
6648 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
6649 (x86_use_incdec, x86_pad_returns): New variables
6650 (TARGET_CPU_DEFAULT_generic): New constant
6651 (TARGET_CPU_DEFAULT_NAMES): Add generic.
6652 (enum processor_type): Add generic32 and generic64.
6653 * i386.md (cpu attribute): Add generic32/generic64
6654 (movhi splitter): Behave sanely when both partial_reg_dependency and
6655 partial_reg_stall are set.
6656 (K8 splitters): Enable for generic as well.
6657 * predicates.md (incdec_operand): Use TARGET_INCDEC
6658 (aligned_operand): Avoid memory mismatch stalls.
6659 * athlon.md: Enable for generic64, new patterns for 128bit moves.
6660 * ppro.md: Enable for generic32
6661 * i386.c (generic64_cost, generic32_cost): New.
6662 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
6663 (x86_use_leave): Enable for generic64. (x86_use_sahf,
6664 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
6665 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
6666 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
6667 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
6668 x86_partial_reg_dependency, x86_memory_mismatch_stall,
6669 x86_accumulate_outgoing_args, x86_prologue_using_move,
6670 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
6671 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
6673 (x86_use_incdec, x86_pad_returns): New.
6674 (override_options): Add generic32 and generic64, translate "generic"
6675 to generic32/generic64 and "i686" to "generic32", refuse
6676 "generic32"/"generic64" as arch target.
6677 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
6678 (ix86_reorg): Honor PAD_RETURNS.
6680 2006-01-19 Diego Novillo <dnovillo@redhat.com>
6682 * tree-pretty-print.c (dump_generic_node): Handle
6683 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
6684 * cgraph.c (cgraph_expand_queue): Rename from
6685 cgraph_analyze_queue. Update all users.
6686 * cgraphunit.c (cgraph_assemble_pending_functions): Process
6687 cgraph_expand_queue.
6688 (cgraph_expand_all_functions): Likewise.
6689 (cgraph_finalize_pending_functions): Remove. Update callers.
6691 * tree.h (OMP_DIRECTIVE_P): Define.
6692 (OMP_PARALLEL_FN): Define.
6693 (OMP_PARALLEL_DATA_ARG): Define.
6694 (OMP_SECTIONS_SECTIONS): Define.
6695 * tree-pass.h (pass_expand_omp): Declare.
6696 * omp-low.c (struct omp_region): Declare.
6697 (struct omp_context): Remove fields 'parallel_type',
6698 'parallel_start_ix' and 'parallel_start_additional_args'.
6700 (struct omp_for_data): Rename from struct expand_omp_for_data.
6701 (omp_regions): New static variable.
6702 (root_omp_region): New static variable.
6703 (find_omp_clause): Make static.
6704 (is_in_combined_parallel_ctx): Remove.
6705 (is_combined_parallel): New.
6706 (extract_omp_for_data): Move earlier in the file.
6707 (workshare_safe_to_combine_p): New.
6708 (get_ws_args_for): New.
6709 (determine_parallel_type): Move earlier in the file.
6710 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
6712 (omp_copy_decl): Likewise.
6713 (create_omp_child_function): Likewise.
6714 (lookup_omp_region): New.
6715 (dump_omp_region): New.
6716 (debug_omp_region): New.
6717 (debug_all_omp_regions): New.
6718 (new_omp_region): New.
6719 (scan_omp_parallel): If parallel_nesting_level > 1, the
6720 directive is nested within another parallel directive.
6721 Set OMP_PARALLEL_FN.
6722 (scan_omp_for): Do not try to handle combined parallel+for
6724 Remove FIXME comment.
6725 (scan_omp_nested): Remove.
6726 (scan_omp_1): Do not call scan_omp_nested when
6727 parallel_nesting_level is > 1.
6728 Do not change the DECL_CONTEXT of local variables found.
6729 (lookup_decl_in_outer_ctx): New.
6730 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
6731 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
6732 (lower_reduction_clauses): Rename from expand_reduction_clauses.
6733 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
6734 If CTX is nested, lookup VAR in the outer context when
6735 building copy assignment.
6736 (lower_send_clauses): Rename from expand_send_clauses.
6737 If CTX is nested, lookup VAR in the outer context when
6738 building copy assignments.
6739 (lower_send_shared_vars): Rename from expand_send_shared_vars.
6740 If CTX is nested, lookup VAR in the outer context when
6741 building copy assignments.
6742 (expand_parallel_call): Rename from build_parallel_call.
6743 Handle combined parallel+workshare cases.
6744 Re-implement to emit code into the CFG.
6746 (expand_omp_parallel): Re-implement to emit code into the CFG.
6747 Call move_sese_region_to_fn to outline the sub-graph
6748 containing the parallel region.
6749 (expand_omp_for_1): Remove.
6750 (expand_omp_for_generic): Re-implement to emit code into the
6752 (expand_omp_for_static_nochunk): Likewise.
6753 (expand_omp_for_static_chunk): Likewise.
6754 (expand_omp_for): Likewise.
6755 (expand_omp_sections): Likewise.
6756 (remove_exit_barriers): New.
6757 (expand_omp_synch): New.
6759 (build_omp_regions_1): New.
6760 (build_omp_regions): New.
6761 (execute_expand_omp): New.
6762 (gate_expand_omp): New.
6763 (pass_expand_omp): Define.
6764 (lower_omp_sections): Rename from expand_omp_sections.
6765 Set OMP_SECTIONS_SECTIONS.
6766 (lower_omp_single_simple): Rename from expand_omp_single_simple.
6767 (lower_omp_single_copy): Rename from expand_omp_single_copy.
6768 (lower_omp_single): Rename from expand_omp_simple.
6769 (lower_omp_master): Rename from expand_omp_master.
6770 (lower_omp_ordered): Rename from expand_omp_ordered.
6771 (lower_omp_critical): Rename from expand_omp_critical.
6772 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
6773 (lower_omp_for): Re-implement.
6774 (lower_omp_parallel): Re-implement.
6775 (lower_regimplify): Rename from expand_regimplify.
6776 (lower_omp_1): Rename from expand_omp_1.
6777 If there are syntax errors in the program, replace every
6778 OpenMP directive with NOP.
6779 Call lower_omp_* instead of expand_omp_*.
6780 (lower_omp): Rename from expand_omp.
6782 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
6783 * tree-gimple.h (enum omp_parallel_type): Remove.
6784 (gimple_boolify): Declare extern.
6785 (find_omp_clause, determine_parallel_type): Remove.
6787 * gimple-low.c (lower_omp_directive): New.
6788 (lower_stmt): Call it.
6789 (record_vars_into): Move from ...
6790 (record_vars): ... here.
6791 Call record_vars_into with current_function_decl.
6793 * gimplify.c (struct gimplify_ctx): Remove fields
6794 combined_pre_p and combined_ctxp. Update users.
6795 (get_formal_tmp_var): Add documentation.
6796 (gimple_boolify): Make extern.
6797 (gimplify_expr_in_ctx): Remove. Update callers.
6798 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
6799 will always be a BIND_EXPR.
6800 (gimplify_expr): Handle OMP_RETURN_EXPR.
6801 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
6802 (OMP_PARALLEL): Add 3 operands.
6803 (OMP_SECTIONS): Add 1 operand.
6804 (OMP_RETURN_EXPR): Define.
6806 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
6807 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
6808 * tree-iterator.c (alloc_stmt_list): Assert that we are not
6809 creating a circular free list.
6810 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
6812 * tree-flow.h (move_sese_region_to_fn): Declare.
6813 (record_vars_into): Declare.
6814 * tree-cfg.c (make_omp_sections_edges): New.
6815 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
6816 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
6817 OMP_SECTIONS and OMP_SECTION.
6818 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
6819 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
6820 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
6821 (gather_blocks_in_sese_region): New.
6822 (struct move_stmt_d): Declare.
6824 (move_block_to_fn): New.
6825 (move_sese_region_to_fn): New.
6827 * passes.c (init_optimization_passes): Schedule
6828 pass_expand_omp after pass_init_datastructures.
6830 * tree-ssa-operands.c (get_expr_operands): Handle
6831 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
6832 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
6834 2006-01-19 Jeff Law <law@redhat.com>
6836 * tree-vrp.c (extract_range_from_assert): Refine the result range
6837 if the variable referenced by the ASSERT_EXPR has a range and
6838 either the tentative result range or the previous range is a
6841 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6843 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
6845 2006-01-19 Jan Hubicka <jh@suse.cz>
6847 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
6849 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
6851 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
6852 (expand_compound_operation, expand_field_assignment): Fail if the
6853 bit lengths of an extract operation are out of range.
6854 (make_extraction): Compute wanted_inner_mode based on the position
6855 and length of the extraction. Make it extraction_mode for non-constant
6856 positions, and do not modify offset in that case. When generating a
6857 new MEM, use a mode that can hold the extraction while keeping correct
6858 alignment. Remove code that supported MEMs wrapped by USEs.
6859 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
6861 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
6863 * config/s390/s390.md ("Y", "y"): New mode attribute.
6864 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6865 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
6866 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
6867 "*addsi3_imm_cc", "*addsi3_carry1_cc",
6868 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
6869 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
6870 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
6871 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
6872 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
6873 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
6874 "addsi3", "subsi3"): Insn patterns removed.
6875 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
6876 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
6877 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
6878 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
6879 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
6880 "*sub<mode>3_cconly2"): New insn patterns.
6881 ("addsi3", "subsi3"): New expanders.
6883 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
6885 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
6886 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
6887 existing STMT_VINFO_VECTYPE if available.
6888 (vect_mark_relevant): Add special handling for stmts that are
6889 marked as STMT_VINFO_IN_PATTERN_P.
6890 (vect_analyze_loop): Call vect_pattern_recog.
6891 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
6892 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
6894 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
6895 (vect_recog_func_ptr): New function-pointer type.
6896 * tree-vect-patterns.c: New file.
6897 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
6898 (vect_recog_dot_prod_pattern, vect_pattern_recog):
6899 (vect_pattern_recog_1): New functions.
6900 (vect_pattern_recog_funcs): New array of function pointers.
6902 * tree-vectorizer.h (ternary_op): New enum value.
6903 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
6904 declaration. Revised documentation. Removed redundant dump prints.
6905 Removed redundant argument. Added support for reduction patterns.
6906 (vectorizable_reduction): Added support for reduction patterns.
6907 (vect_transform_stmt): Added support for patterns.
6909 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
6910 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
6911 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
6912 (expand_widen_pattern_expr): New function.
6913 (init_optabs): Initialize new optabs udot_prod_optab,
6915 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
6916 (sdot_prod_optab, udot_prod_optab): Define new optabs.
6917 (expand_widen_pattern_expr): New function declaration.
6918 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
6920 * tree-inline.c (estimate_num_insns_1): Added cases for new
6921 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6922 * tree-pretty-print.c (dump_generic_node): Likewise.
6923 (op_prio): Likewise.
6924 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6925 * tree-ssa-operands.c (get_expr_operands): Added case for
6927 * tree-vect-patterns.c (widened_name_p): New function.
6928 (vect_recog_dot_prod_pattern): Added function implementation.
6929 * tree-vect-transform.c (get_initial_def_for_reduction): Added
6930 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
6931 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
6932 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
6934 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
6935 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
6936 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
6937 (init_optabs): Initialize new optabs widen_ssum_optab,
6939 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
6940 (widen_ssum_optab, widen_usum_optab): Define new optabs.
6941 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
6942 use instead of type of def.
6943 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
6944 function implementation.
6945 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
6946 widen_ssumv8hi): New.
6948 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
6951 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6954 * c-decl.c (add_flexible_array_elts_to_size): New function.
6955 (finish_decl): Use it.
6957 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
6959 * diagnostic.h: Include options.h.
6960 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
6961 dependancies for diagnostic.h.
6962 * Makefile.in (DIAGNOSTIC_H): Add options.h.
6964 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
6966 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
6967 (ssa_ro_call_cache_valid): Ditto.
6968 * tree-ssa-alias.c (sort_tags_by_id): New function.
6969 (init_transitive_clobber_worklist): Ditto.
6970 (add_to_worklist): Ditto.
6971 (mark_aliases_call_clobbered): Ditto.
6972 (compute_tag_properties): Ditto.
6973 (set_initial_properties): Ditto.
6974 (compute_call_clobbered): Ditto.
6975 (compute_may_aliases): Call compute_call_clobbered and grouping.
6976 (compute_flow_sensitive_aliasing): Remove clobbering related code.
6977 (compute_flow_insensitive_aliasing): Grouping now happens in our
6979 (setup_pointers_and_addressables): Remove clobbering related code.
6980 (add_may_alias): Ditto.
6981 (replace_may_alias): Ditto.
6982 (get_nmt_for): Ditto.
6983 (create_global_var):
6984 (is_escape_site): Return an escape_type enumeration.
6985 * tree-flow-inline.h (is_call_clobbered): Global var does not
6986 imply call clobbered.
6987 (mark_call_clobbered): Take a reason for marking this. Remove
6988 marking of globalness, and cache invalidation.
6989 (clear_call_clobbered): Remove cache invalidation code.
6990 * tree-dfa.c (dump_variable): If details is on, dump the reason
6992 * tree-outof-ssa.c (create_temp): Copy escape mask from original
6994 * tree-flow.h (struct ptr_info_def): Add escape mask member.
6995 (struct var_ann_d): Ditto.
6996 (enum escape_type): New.
6997 (mark_call_clobbered): Adjust prototype.
6998 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
6999 are never call clobbered.
7000 Record reasons for escaping.
7001 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7002 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7003 (ssa_ro_call_cache_valid): Ditto.
7004 (clobbered_v_may_defs): Ditto.
7005 (clobbered_vuses): Ditto.
7006 (ro_call_vuses): Ditto.
7007 (clobber_stats): New.
7008 (init_ssa_operands): Zero out clobber stats.
7009 (fini_ssa_operands): Print out clobber stats.
7010 (get_call_expr_operands): Pass callee fndecl to
7012 (add_call_clobber_ops): Remove use of cache.
7013 Add use of PURE_CONST information.
7014 (add_call_read_ops): Remove use of cache.
7015 Add use of static not_read information.
7017 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7019 Introduce TLS descriptors for i386 and x86_64.
7020 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7021 (TARGET_ANY_GNU_TLS): New macro.
7022 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7023 (struct machine_function): Add tls_descriptor_call_expanded_p.
7024 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7025 (ix86_current_function_calls_tls_descriptor): Likewise.
7026 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7027 (override_options): Introduce gnu2 tls dialect.
7028 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7030 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7032 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7033 (ix86_init_machine_status): Initialize new field.
7034 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7035 (ix86_tls_module_base): New.
7036 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7037 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7038 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7039 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7040 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7041 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7042 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7043 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7044 * config/i386/predicates.md (tls_modbase_operand): New.
7045 (tp_or_register_operand): New.
7047 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7049 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7050 (look_for_address_of): Ditto.
7051 (ipa_init): Walk the function decls.
7052 (static_execute): Don't set readonly on FUNCTION_DECL's.
7054 2006-01-18 Roger Sayle <roger@eyesopen.com>
7056 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7057 for shifts where the source and destination registers are different.
7059 2006-01-18 Paul Brook <paul@codesourcery.com>
7061 Merge from csl-arm-branch.
7062 2005-03-14 Julian Brown <julian@codesourcery.com>
7063 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7064 (aeabi_llsl): Likewise.
7065 (ashrdi3): Likewise.
7066 (aeabi_lasr): Likewise.
7067 (lshrdi3): Likewise.
7068 (aeabi_llsr): Likewise.
7069 2005-03-10 Julian Brown <julian@codesourcery.com>
7070 * config.gcc: Disable shared libgcc for SymbianOS.
7071 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7073 2006-01-18 DJ Delorie <dj@redhat.com>
7075 * c-pragma.c (handle_pragma_diagnostic): New.
7076 (init_pragma): Register it.
7077 * doc/extend.texi: Document it.
7079 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7080 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7081 (diagnostic_context): Add classify_diagnostic[].
7082 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7083 as errors if they're overridden to DK_WARNING.
7084 (diagnostic_initialize): Initialize classify_diagnostic[].
7085 (diagnostic_set_kind_override): New.
7086 (diagnostic_report_diagnostic): Check for kind changes.
7087 * opts.c (common_handle_option): Take lang_mask. Update callers.
7089 * common.opt (Werror=): New.
7090 * doc/invoke.texi: Document -Werror=*
7092 2006-01-18 Jeff Law <law@redhat.com>
7094 * tree-vrp.c (test_for_singularity): Correct test for new
7095 min limit. Use operand_equal_p rather than pointer equality
7096 for testing if new min/max values are equal.
7098 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7099 using range information until after propagation and folding.
7101 2006-01-18 Richard Henderson <rth@redhat.com>
7102 Aldy Hernandez <aldyh@redhat.com>
7103 Jakub Jelinek <jakub@redhat.com>
7104 Diego Novillo <dnovillo@redhat.com>
7106 * omp-low.c: New file.
7107 * c-omp.c: New file.
7109 2006-01-18 Richard Henderson <rth@redhat.com>
7110 Jakub Jelinek <jakub@redhat.com>
7111 Diego Novillo <dnovillo@redhat.com>
7113 * doc/invoke.texi: Document -fopenmp.
7114 * tree-dump.h (debug_function): Declare.
7115 * hooks.c (hook_bool_tree_bool_false): New function.
7116 (hook_tree_tree_null): Remove.
7117 (hook_tree_tree_tree_null): New.
7118 * hooks.h: Update to match.
7119 * tree-pretty-print.c (debug_tree_chain): New.
7120 (print_generic_expr): Handle TDF_CHAIN.
7121 (dump_generic_node): Handle BLOCK.
7122 Do not abort with incomplete SWITCH_EXPRs.
7123 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7124 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7125 print space after directive name.
7126 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7127 Handle OMP_MASTER and OMP_ORDERED.
7128 Handle printing of OMP_BODY just in one place, goto
7129 dump_omp_body in the rest of OMP_* nodes that have
7131 Don't handle clause nodes here. Update omp statements to
7132 use dump_omp_clauses.
7133 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7134 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7135 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7136 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7137 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7138 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7139 Adjust output for GOMP_PARALLEL.
7140 (dump_omp_clauses): New.
7141 (print_declaration): Dump DECL_VALUE_EXPR.
7142 (op_symbol_1): Split out of op_symbol.
7143 (dumping_stmts): Remove. Update all users.
7144 * cgraph.c (cgraph_analyze_queue): New.
7145 (cgraph_add_new_function): New.
7146 * cgraph.h (cgraph_analyze_queue): Declare.
7147 (cgraph_add_new_function): Declare.
7148 (cgraph_lower_function): Remove.
7149 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7150 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7151 and TYPE_P nodes in its default clause.
7152 (empty_body_p): New.
7153 (tree_range_check_failed): New.
7155 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7156 OMP_CLAUSE_REDUCTION_MERGE,
7157 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7158 OMP_CLAUSE_PRIVATE_DEBUG,
7159 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7160 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7161 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7162 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7163 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7164 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7165 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7166 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7167 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7168 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7169 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7170 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7171 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7172 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7173 (TREE_RANGE_CHECK): New.
7174 (empty_body_p): Declare.
7175 (enum omp_clause_default_kind): New.
7176 (build_string_literal): Declare.
7177 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7178 (build5_stat, build5): Declare.
7179 * tree-pass.h (TDF_CHAIN): Define.
7180 * tree-pass.h (PROP_gimple_lomp): Define.
7181 (pass_lower_omp): Declare.
7182 * diagnostic.h (debug_tree_chain): Declare.
7183 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7185 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7186 * builtins.c (build_string_literal): Make extern.
7187 * gcc.c (include_spec_function): New.
7188 (static_spec_functions): Add it.
7189 (main): Move load of libgomp.spec ...
7190 (LINK_COMMAND_SPEC): ... here.
7191 (link_gomp_spec): New.
7192 (static_specs): Include it.
7193 (LINK_COMMAND_SPEC): Add link_gomp.
7194 (GOMP_SELF_SPECS): New.
7195 (driver_self_specs): Include it.
7196 (switch_matches): Don't mark inline.
7197 (main): Load libgomp.spec.
7198 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7199 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7200 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7201 * tree-gimple.h (enum omp_parallel): Declare.
7202 (determine_parallel_type): Declare.
7203 (omp_firstprivatize_variable): Declare.
7204 (omp_reduction_init): Declare.
7205 (diagnose_omp_structured_block_errors): Declare.
7206 (struct walk_stmt_info): Add want_return_expr.
7207 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7208 (find_omp_clause): Declare.
7209 (insert_field_into_struct): Declare.
7210 (struct walk_stmt_info): Move from tree-nested.c
7211 (walk_stmts): Declare.
7212 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7214 * cgraphunit.c (cgraph_lower_function): Make static.
7215 (cgraph_finalize_pending_functions): New.
7216 (cgraph_finalize_function): Call it.
7217 (cgraph_finalize_compilation_unit): Likewise.
7218 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7219 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7220 (BT_FN_UINT_UINT): New.
7221 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7222 DEF_FUNCTION_TYPE_VAR_4): Document.
7223 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7224 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7225 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7226 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7227 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7228 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7229 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7230 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7231 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7232 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7233 into separate files.
7234 (DEF_GOMP_BUILTIN): New.
7235 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7236 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7237 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7238 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7239 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7240 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7241 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7242 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7243 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7244 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7245 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7246 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7247 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7248 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7249 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7250 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7251 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7252 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7253 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7254 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7255 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7256 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7257 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7258 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7259 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7260 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7261 * sync-builtins.def: New file, moved from builtins.def.
7262 * omp-builtins.def: New file, moved from builtins.def.
7263 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7264 * gimple-low.c (lower_function_body): Clear data.
7265 (lower_stmt): Do not handle COMPOUND_EXPR.
7266 Remove call to print_node_brief.
7267 * c-tree.h (c_finish_omp_clauses): New prototype.
7268 (C_DECL_THREADPRIVATE_P): Define.
7269 (lookup_name_no_remap, c_omp_remap_private): Remove
7270 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7271 (check_for_loop_decls): Update decl.
7272 (lookup_name_no_remap, c_omp_remap_private): Declare.
7273 (build_indirect_ref, build_modify_expr, pushdecl,
7274 pushdecl_top_level): Move to c-common.h.
7275 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7276 before the switch, but just in the 2 places that need it.
7277 * c-decl.c (diagnose_mismatched_decls): Do not check for
7278 mismatched thread-local attributes when OLDDECL is marked
7279 threadprivate and NEWDECL has no thread-local attributes.
7280 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7281 (c_gimple_diagnostics_recursively): Rename from
7282 c_warn_unused_result_recursively. Invoke
7283 diagnose_omp_structured_block_errors.
7284 (check_for_loop_decls): Return a singular decl found.
7285 * langhooks.c (lhd_omp_predetermined_sharing): Return
7286 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7287 (lhd_omp_firstprivatize_type_sizes): New.
7288 (lhd_omp_assignment): New.
7289 (lhd_omp_predetermined_sharing): New.
7290 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7291 (struct lang_hooks_for_types): Add
7292 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7293 omp_predetermined_sharing, omp_disregard_value_expr,
7294 omp_private_debug_clause, omp_clause_default_ctor,
7295 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7296 (c_finish_omp_clauses): New.
7297 (c_finish_bc_stmt): Diagnose break within omp for.
7298 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7299 (build_unary_op): Return error_mark after reporting
7301 (build_modify_expr): Likewise.
7302 * gimplify.c: Include optabs.h and pointer-set.h.
7303 (enum gimplify_omp_var_data): Declare.
7304 (struct gimplify_omp_ctx): Declare.
7305 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7307 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7308 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7309 (splay_tree_compare_decl_uid): New.
7310 (new_omp_context): New.
7311 (delete_omp_context): New.
7312 (gimple_add_tmp_var): Call omp_add_variable.
7313 (gimplify_bind_expr): Likewise.
7314 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7315 true, disregard DECL_VALUE_EXPR on the decl if any.
7316 (gimplify_expr_in_ctx): New.
7317 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7318 omp_add_variable, omp_notice_variable, omp_is_private
7319 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7320 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7321 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7322 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7323 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7324 gimplify_omp_atomic): New.
7325 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7326 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7327 OMP_CRITICAL and OMP_ATOMIC.
7328 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7329 * c-pragma.h (enum pragma_kind): Add
7330 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7331 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7332 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7333 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7334 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7335 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7336 PRAGMA_OMP_THREADPRIVATE.
7337 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7338 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7339 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7340 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7341 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7342 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7343 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7344 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7345 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7346 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7347 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7348 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7349 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7351 (struct nesting_info): Add field_map,
7352 suppress_expansion, debug_var_chain.
7353 (create_nesting_tree): Initialize them.
7354 (lookup_field_for_decl): Use field_map.
7355 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7356 (convert_local_omp_clauses): New.
7357 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7358 (walk_body): Split out of walk_function.
7359 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7360 (convert_nonlocal_reference): Handle omp statements.
7361 (convert_local_reference): Likewise.
7362 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7363 (unnest_nesting_tree): New.
7364 (lower_nested_functions): Call it.
7365 (insert_field_into_struct): Make extern.
7366 (struct walk_stmt_info): Move to tree-gimple.h.
7367 (walk_stmts): Make extern.
7368 * omp-builtins.def: New file.
7369 * tree-iterator.c (expr_only): Clarify comment.
7370 * c-common.h (pushdecl_top_level, pushdecl,
7371 build_modify_expr, build_indirect_ref,
7372 c_finish_omp_master, c_finish_omp_critical,
7373 c_finish_omp_ordered, c_finish_omp_barrier,
7374 c_finish_omp_atomic, c_finish_omp_flush,
7375 c_finish_omp_for, c_split_parallel_clauses,
7376 omp_clause_default_kind, c_omp_sharing_predetermined,
7377 c_omp_remap_decl): Declare.
7378 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7379 (OBJS-common): Add omp-low.o.
7380 (c-omp.o, omp-low.o): Add.
7381 (gimplify.o): Add dependency on $(OPTABS_H).
7382 (GTFILES): Add omp-low.c.
7383 (gt-stringpool.h): Add.
7384 * tree-cfg.c (set_bb_for_stmt): Do not update the
7385 block-to-labels map if we are currently expanding to RTL.
7386 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7388 Handle IDENTIFIER_NODE.
7389 (tree_verify_flow_info): Do not ICE when emitting error
7390 messages about invalid labels.
7391 (dump_function_to_file): Reset CFUN before emitting the body
7393 (debug_function): New.
7394 * passes.c (init_optimization_passes): Schedule
7396 * langhooks-def.h (lhd_omp_predetermined_sharing,
7397 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7399 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7400 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7401 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7402 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7403 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7404 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7405 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7406 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7407 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7408 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7409 (LANG_HOOK_DECLS): Use them.
7411 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7412 Richard Henderson <rth@redhat.com>
7413 Jakub Jelinek <jakub@redhat.com>
7414 Diego Novillo <dnovillo@redhat.com>
7416 * c-parser.c (pragma_omp_clause): Define.
7417 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7418 (c_parser_compound_statement): Likewise.
7419 (c_parser_statement): Likewise.
7420 (c_parser_pragma): Handle omp pragmas.
7421 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7422 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7423 (c_parser_omp_clause_name, check_no_duplicate_clause,
7424 c_parser_omp_variable_list,
7425 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7426 c_parser_omp_clause_copyprivate,
7427 c_parser_omp_clause_default,
7428 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7429 c_parser_omp_clause_lastprivate,
7430 c_parser_omp_clause_nowait,
7431 c_parser_omp_clause_num_threads,
7432 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7433 c_parser_omp_clause_reduction,
7434 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7435 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7436 c_parser_omp_atomic, c_parser_omp_barrier,
7437 c_parser_omp_critical, c_parser_omp_flush,
7438 c_parser_omp_for_loop, c_parser_omp_for,
7439 c_parser_omp_master, c_parser_omp_ordered,
7440 c_parser_omp_sections_scope, c_parser_omp_sections,
7441 c_parser_omp_parallel, c_parser_omp_single,
7442 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7443 * c-pragma.c (init_pragma): Do omp pragma registration here.
7444 * c.opt (fopenmp): New flag.
7446 2006-01-18 Eric Christopher <echristo@apple.com>
7448 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7449 * config/darwin.h (GOMP_SELF_SPECS): Define.
7451 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7453 * rtl.h: Remove the prototype for reg_alloc.
7455 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7458 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7459 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7460 sjlj and dwarf2 exception handling.
7461 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7462 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7463 * pa/pa.c (function_value): Treat complex and vector types as
7465 (function_arg): Likewise. Only pass scalar floats in the floating
7466 point argument registers.
7467 * pa/t-slibgcc-dwarf-ver: New file.
7468 * pa/t-slibgcc-sjlj-ver: New file.
7469 * pa/t-slibgcc-elf-ver: Delete file.
7471 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7473 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7474 unlikely_test_section_p test.
7476 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7478 * mode-switching.c (optimize_mode_switching): Make it static.
7479 * basic-block.h: Remove the prototype for
7480 optimize_mode_switching.
7482 * modulo-sched.c (sms_schedule): Make it static.
7483 * rtl.h: Remove the prototype for sms_schedule.
7485 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7486 * rtl.h: Remove the prototype for gcse_after_reload_main.
7488 * reg-stack.c (reg_to_stack): Make it static.
7489 * rtl.h: Remove the prototype for reg_to_stack.
7491 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7493 * rtl.h: Remove the prototypes for regrename_optimize and
7494 copyprop_hardreg_forward.
7496 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7498 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7499 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7500 Test against the appropriate null constant for the mode.
7501 If 'fixup_overlap' is true, swap the operands if they overlap.
7502 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7503 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7504 alpha_split_tmode_pair and adjust for above change.
7505 * config/alpha/alpha.md (movtf_internal): Adjust call to
7506 alpha_split_tfmode_pair and rely on it to swap the operands.
7507 (movti_internal): New insn and post-reload splitter.
7508 (movti): New expander.
7510 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7512 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7515 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7517 * rtlanal.c (global_reg_mentioned_p_1,
7518 global_reg_mentioned_p): Remove.
7519 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7521 * flow.c (initialize_uninitialized_subregs): Make it static.
7522 * rtl.h: Remove the prototype for
7523 initialize_uninitialized_subregs.
7525 * function.c (instantiate_virtual_regs): Make it static.
7526 * function.h: Remove the prototype for
7527 instantiate_virtual_regs.
7529 * regmove.c (regmove_optimize, combine_stack_adjustments):
7531 * rtl.h: Remove the prototypes for regmove_optimize and
7532 combine_stack_adjustments.
7534 2006-01-17 Roger Sayle <roger@eyesopen.com>
7536 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7537 (size_cost): Encode costs in bytes so that a reg-reg addition is
7538 equivalent to COSTS_N_INSNS(1).
7539 (override_options): Use the size_cost.branch_cost as the default
7540 ix86_branch_cost when optimizing for size.
7542 2006-01-18 Ben Elliston <bje@au.ibm.com>
7544 * Makefile.in (D32PBIT_FUNCS): New.
7545 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7546 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7547 D64PBIT_FUNCS and D128PBIT_FUNCS.
7548 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7549 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7551 (decnumber_dep): Define.
7552 * doc/libgcc.texi (Decimal float library routines): New node.
7553 * config/dfp-bit.h, config/dfp-bit.c: New files.
7555 2006-01-18 Ben Elliston <bje@au.ibm.com>
7557 * expr.c (emit_move_change_mode): Always adjust addresses, not
7558 just during reload. Copy replacements only during reload.
7559 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
7560 emit_move_via_integer.
7562 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
7564 * Makefile.in (check-%, check-consistency): Use $${srcdir}
7565 instead of $(srcdir) and ${srcdir}.
7567 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
7571 * arm.h (struct machine_function): Add pic_reg.
7572 * arm.c (arm_pic_register): Make unsigned.
7573 (arm_override_options): Only set arm_pic_register if
7574 TARGET_SINGLE_PIC_BASE.
7575 (use_return_insn): Only test for a pic register if it is fixed.
7576 (arm_compute_save_reg0_reg12_mask): Likewise.
7577 (thumb_compute_save_reg_mask): Likewise.
7578 (legitimate_pic_operand): Factor out some known invariants.
7579 (legitimize_pic_address): If we don't have a fixed pic register,
7580 then set up a pseudo in the function entry sequence. Handle the
7581 pic base being in a pseudo.
7582 (arm_load_pic_register): Handle the pic register being in a pseudo.
7583 (arm_expand_prologue): Only set up the pic register if it is fixed.
7584 (thumb_expand_prologue): Likewise.
7585 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
7586 (pic_load_addr_based_insn): Likewise.
7587 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
7590 2006-01-18 Ben Elliston <bje@au.ibm.com>
7592 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
7593 decimal float modes for all floating point registers.
7595 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
7596 match_code "mem" with match_test "macho_lo_sum_memory_operand".
7598 2006-01-17 Jakub Jelinek <jakub@redhat.com>
7601 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
7602 even when the pointer is not NULL.
7604 2006-01-16 Ian Lance Taylor <ian@airs.com>
7606 * common.opt (ftoplevel-reorder): New option.
7607 * cgraph.c (cgraph_asm_nodes): New global variable.
7608 (cgraph_asm_last_node): New static variable.
7609 (cgraph_order): New global variable.
7610 (cgraph_create_node): Set new order field.
7611 (cgraph_varpool_node): Likewise.
7612 (decide_is_variable_needed): Return true if not
7613 flag_toplevel_reorder.
7614 (cgraph_add_asm_node): New function.
7615 * cgraph.h (struct cgraph_node): Add order field.
7616 (struct cgraph_varpool_node): Add order field.
7617 (struct cgraph_asm_node): Define.
7618 (cgraph_asm_nodes, cgraph_order): Declare.
7619 (cgraph_add_asm_node): Declare.
7620 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
7622 (cgraph_varpool_assemble_pending_decls): Call it.
7623 (cgraph_output_pending_asms): New static function.
7624 (cgraph_finalize_compilation_unit): Call it.
7625 (struct cgraph_order_sort): Define.
7626 (cgraph_output_in_order): New static function.
7627 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
7628 !flag_toplevel_reorder case.
7629 * c-parser.c: Include "cgraph.h".
7630 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
7632 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
7633 than -fno-unit-at-a-time.
7634 * doc/invoke.texi (Option Summary): Mention
7635 -fno-toplevel-reorder.
7636 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
7637 -funit-at-a-time documentation.
7639 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
7640 Kazu Hirata <kazu@codesourcery.com>
7642 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
7644 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
7646 * Makefile.in (FUNCTION_H): New. Use it instead of
7647 function.h throughout the file.
7648 * function.h: Include tree.h.
7650 2006-01-17 Ben Elliston <bje@au.ibm.com>
7652 * recog.c: Separate some functions with whitespace.
7654 2006-01-16 Richard Henderson <rth@redhat.com>
7656 Merge from gomp branch:
7657 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
7658 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
7659 and rename from struct inline_data. Rename callee* to dst*;
7660 caller* to src*; add copy_decl hook, transform_call_graph_edges,
7661 transform_new_cfg, transform_return_to_modify, and
7662 transform_lang_insert_block flags; remove cloning_p, versioning_p,
7664 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
7665 (copy_decl_for_dup): Remove.
7666 * tree-inline.c (struct inline_data): Move to header.
7667 (insert_decl_map): Export.
7668 (remap_decl): Update for member name changes. Use copy_decl hook.
7669 Allow for replacement to be a non-decl. Remove dead code.
7670 (remap_type_1): Check for existing mapping.
7671 (remap_type): Export.
7672 (remap_decls): Update for member name changes.
7673 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
7674 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
7675 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
7676 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
7677 (tree_function_versioning, build_duplicate_type): Likewise.
7678 (copy_body_r): Likewise. Export.
7679 (copy_decl_for_dup): Split into ...
7680 (copy_decl_for_dup_finish, copy_decl_to_var,
7681 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
7682 (replace_ref_tree, inlining_p): Remove.
7684 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7686 * ifcvt.c (if_convert): Make it static.
7687 * rtl.h: Remove the prototype for if_convert.
7689 * local-alloc.c (local_alloc): Make it static.
7690 * rtl.h: Remove the prototype for local_alloc.
7692 * loop.c (loop_optimize): Make it static.
7693 * cfgloop.h: Remove the prototype for loop_optimize.
7696 2006-01-16 DJ Delorie <dj@redhat.com>
7698 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
7701 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7703 * pa.md: Disparage copies between general and floating-point registers
7704 in 32-bit move patterns.
7706 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
7709 * Makefile.in (check-%): Depend on site.exp instead of
7710 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
7713 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7715 * global.c (global_alloc): Make it static.
7716 * rtl.h: Remove the prototype for global_alloc.
7718 2006-01-16 Richard Guenther <rguenther@suse.de>
7720 * tree-ssa-alias.c (struct used_part): Add write_only field.
7721 (get_or_create_used_part_for): Initialize it to true.
7722 (create_overlap_variables_for): Don't create structure variables
7723 for structures that only are written to.
7724 (find_used_portions): Handle MODIFY_EXPR to track whether a
7725 structure is only written to.
7727 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7729 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
7731 * basic-block.h: Remove the prototype for
7732 partition_hot_cold_basic_blocks.
7734 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
7736 * cppspec.c (lang_specific_spec_functions): Remove.
7737 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
7738 * gcc.h (lang_specific_spec_functions): Remove.
7739 * gccspec.c (lang_specific_spec_functions): Remove.
7741 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
7743 * combine.c (record_value_for_reg): Invalidate registers
7745 (record_dead_and_set_regs_1): Likewise, by passing them to
7746 record_value_for_reg.
7747 (record_dead_and_set_regs): Invalidate stores made by a
7748 call. We do not combine across a call, but we still
7749 relied on equivalences.
7751 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7753 * tree-vrp.c (extract_range_from_binary_expr): Cope with
7754 vrp_int_const_binop returning non-constant nodes.
7756 2006-01-16 Paul Brook <paul@codesourcery.com>
7758 * config/m68k/m68k.c (output_move_const_into_data_reg):
7759 Output correct mnemonic for mvz and mvs.
7761 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
7763 * rtl-factoring.c: Add sequence abstraction algorithm.
7764 * cfgcleanup.c (outgoing_edges_match): Extra checks.
7765 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
7767 (block_has_preserve_label): New function.
7768 * common.opt: Register new pass.
7769 * Makefile.in: Ditto.
7771 * timevar.def: Ditto.
7772 * tree-pass.h: Ditto.
7773 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
7774 * rtl.h (make_jump_insn_raw): Add forward decl.
7775 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
7777 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7778 Roger Sayle <roger@eyesopen.com>
7780 * fold-const.c (fold_minmax): New static function.
7781 (fold_binary) <MIN_EXPR>: Call it.
7782 <MAX_EXPR>: Likewise.
7783 * stor-layout.c (place_field): Use DECL_SIZE consistently
7784 in the computation of the new record size.
7786 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7788 * cse.c (cse_condition_code_reg): Make it static.
7789 * rtl.h: Remove the prototype for cse_condition_code_reg.
7791 * combine.c (combine_instructions): Make it static.
7792 * rtl.h: Remove the prototype for combine_instructions.
7794 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7797 * tree.c (get_file_function_name_long): Concatenate the first global
7798 object name with a string derived from the input filename of the object
7801 2006-01-16 Ben Elliston <bje@au.ibm.com>
7803 * config/i386/winnt-stubs.c: Update FSF address.
7804 * config/xtensa/ieee754-df.S: Ditto.
7805 * config/xtensa/ieee754-sf.S: Ditto.
7807 2006-01-14 Ian Lance Taylor <ian@airs.com>
7809 * ifcvt.c (noce_init_if_info): New static function, broken out of
7810 noce_process_if_block.
7811 (noce_process_if_block): Call noce_init_if_info.
7812 (check_cond_move_block): New static function.
7813 (cond_move_process_if_block): New static function.
7814 (process_if_block): Call cond_move_process_if_block.
7816 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
7818 * cselib.c (hash_table): Rename to cselib_hash_table.
7819 (cselib_clear_table, discard_useless_values,
7820 remove_useless_values, cselib_lookup_mem, cselib_lookup,
7821 cselib_init, cselib_finish): Adjust uses of hash_table.
7823 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
7825 PR tree-optimization/25485
7826 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
7827 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
7828 is known to be false and true, respectively.
7830 2006-01-14 Richard Guenther <rguenther@suse.de>
7832 PR tree-optimization/22548
7833 PR tree-optimization/22555
7834 PR tree-optimization/22501
7835 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
7836 * params.def (salias-max-array-elements): New parameter.
7837 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
7838 * doc/invoke.texi (salias-max-array-elements): Document.
7839 * tree-flow-inline.h (var_can_have_subvars): We also handle
7841 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
7843 * tree-ssa-structalias.c (params.h): Include.
7844 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
7845 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
7846 (get_constraint_for): For ADDR_EXPR operating on something
7847 containing an ARRAY_REF, add all subvars to the solution.
7848 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
7849 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
7850 for creating MUST_DEFs.
7851 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
7853 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7855 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
7857 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
7858 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7859 number_of_iterations_le): New functions.
7860 (number_of_iterations_special): Removed.
7861 (number_of_iterations_exit): Do not use number_of_iterations_special.
7862 * tree.c (unsigned_type_for): Always return integer type.
7864 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
7865 Richard Guenther <rguenther@suse.de>
7867 PR rtl-optimization/24257
7868 * gcse.c (find_moveable_store): Only consider a store movable
7869 when the SET_SRC of the insn can be assigned to a register.
7871 2006-01-14 Ian Lance Taylor <ian@airs.com>
7873 * tree.c (tree_not_class_check_failed): New function.
7874 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
7875 (tree_not_class_check_failed): Declare.
7877 2006-01-13 Ian Lance Taylor <ian@airs.com>
7879 * reload1.c (do_output_reload): Add assertion rejecting a
7882 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
7884 * combine.c (struct reg_stat): Add new fields truncation_label and
7886 (record_value_for_reg): Reset truncated_to_mode.
7887 (record_truncated_value): New function.
7888 (check_promoted_subreg): Call it. Rename to check_conversions.
7889 (combine_instructions): Rename check_promoted_subreg to
7891 (reg_truncated_to_mode): New function.
7892 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
7893 (gen_lowpart_or_truncate): New function.
7894 (force_to_mode): Use it instead of gen_lowpart.
7896 2006-01-13 Diego Novillo <dnovillo@redhat.com>
7898 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
7899 VAR is a tag, not its type tag.
7901 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
7903 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
7904 alternatives to match style of other entries.
7905 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
7907 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
7909 PR tree-optimization/25771
7910 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
7913 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
7916 * tree-inline.c (declare_return_variable): If the return variable
7917 was marked as a non gimple complex, set the return slot variable
7918 to be a non gimple comple variable.
7920 2006-01-13 Richard Guenther <rguenther@suse.de>
7922 * builtins.c (expand_builtin_sincos): New function.
7923 (expand_builtin_mathfn_3): Remove dead code, sin and cos
7925 (expand_builtin): Expand sincos using expand_builtin_sincos.
7927 2006-01-12 DJ Delorie <dj@redhat.com>
7929 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
7930 shift counts, separate SI shifts for m32c vs m16c, pass shift type
7931 so that constant shifts can be split.
7932 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
7933 (m32c_valid_pointer_mode): Make static.
7934 (shift_gen_func_for): New.
7935 (m32c_prepare_shift): Use it. Split large const shifts into
7937 * config/m32c/predicates.md (shiftcount_operand): Allow more
7939 (longshiftcount_operand): New.
7940 * doc/md.texi (Machine Constraints): Document In6.
7942 2006-01-13 Ben Elliston <bje@au.ibm.com>
7944 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
7945 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
7948 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
7950 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
7951 to try to avoid clobbering pieces of structures when we know
7952 something about the whole structure.
7953 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
7955 2006-01-13 Ben Elliston <bje@au.ibm.com>
7957 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
7958 return in memory, as this is no limitation is no longer present.
7960 2006-01-12 DJ Delorie <dj@redhat.com>
7962 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
7963 mova with fb, and for fb+0 -> An.
7965 * config/m32c/mov.md (peephole2): Fix enabling logic.
7967 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7968 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
7969 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
7970 FINI_ARRAY_SECTION_ASM_OP): Define.
7972 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
7974 (m32c_legitimize_reload_address): New logic to reload FB to An.
7975 (m32c_output_reg_push): Add newline.
7976 (m32c_output_reg_pop): Likewise.
7978 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
7980 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
7982 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
7984 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7986 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7988 * config/sh/predicates.md (sh_rep_vec): Add parallel to
7991 2006-01-11 Ben Elliston <bje@au.ibm.com>
7993 * rtlanal.c (find_reg_note): Assert insn is not null.
7995 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7997 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8000 2006-01-11 Jeff Law <law@redhat.com>
8002 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8004 (mark_threaded_blocks, register_jump_thread): New functions.
8005 (thread_through_all_blocks): Remove unwanted argument. No
8006 longer rely on e->aux to communicate thread target info.
8007 Call mark_threaded_blocks. Release the threaded_blocks
8008 bitmap and threaded_edges vector when complete.
8009 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8010 (threaded_blocks): Remove.
8011 (tree_ssa_dominator_optimize): Remove initialization and
8012 finalization of threaded_blocks. Simplify call to
8013 thread_through_all_blocks.
8014 (thread_across_edge): Call register_jump_thread rather than
8015 storing thread information into e->aux.
8016 (free_all_edge_infos): Simplify now that e->aux is no longer
8017 used to communicate with thread_through_all_blocks.
8018 * tree-flow.h (thread_through_all_blocks): Update prototype.
8019 (register_jump_thread): Prototype.
8021 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8023 * df-core.c (df_compact_blocks, df_bb_replace): Use
8024 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8026 2006-01-11 Richard Guenther <rguenther@suse.de>
8028 PR tree-optimization/25734
8029 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8030 stop propagation after successful propagation to the LHS.
8032 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8034 * basic-block.h (control_flow_graph): Change the type of
8035 x_basic_block_info to VEC(basic_block,gc) *.
8036 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8038 (SET_BASIC_BLOCK): New.
8039 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8040 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8041 * cfgbuild.c (find_basic_blocks): Likewise.
8042 * cfglayout.c (fixup_reorder_chain): Likewise.
8043 * cfgrtl.c (create_basic_block_structure,
8044 rtl_create_basic_block): Likewise.
8045 * ifcvt.c (find_if_case_1): Likewise.
8046 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8049 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8051 * Makefile.in: Removed rotted odf.c entry.
8053 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8056 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8057 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8058 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8059 output pattern modifier, not %e.
8060 * config/cris/cris.c (cris_op_str): Update comment about pattern
8062 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8063 before falling through into...
8064 <case 'E'>: Redefined from old 'e' case.
8066 2006-01-11 Jan Hubicka <jh@suse.cz>
8069 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8071 2006-01-11 Jan Hubicka <jh@suse.cz>
8073 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8074 * i386.c (x86_decompose_lea): Kill.
8075 (ix86_rtx_costs): Kill.
8077 2006-01-11 Jan Hubicka <jh@suse.cz>
8079 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8080 * cgraph.h (cgraph_node): Add inline_decl.
8081 (cgraph_insert_node_to_hashtable): Declare.
8082 (save_inline_function_body): Declare.
8083 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8085 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8086 (cgraph_function_versioning): Update call of tree_function_versioning.
8087 (save_inline_function_body): New function.
8088 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8089 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8090 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8091 (cgraph_default_inline_p): Likewise.
8092 (cgraph_decide_inlining_incrementally): Likewise.
8093 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8094 (copy_bb): Kill saving; do updating of clones.
8095 (copy_cfg_body): Kill saving.
8096 (initialize_inlined-parameters): Likewise.
8097 (expand_call_inline): Likewise.
8099 (tree_function_versioning): New parameter "update_clones".
8100 (inlining_p): Kill saving.
8101 * tree-inline.h (tree_function_versioning): Update prototype.
8102 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8105 2006-01-11 Ian Lance Taylor <ian@airs.com>
8107 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8108 Allow undoing set of machine mode.
8109 (do_SUBST): Use enums instead of is_int.
8110 (do_SUBST_MODE): New function.
8111 (SUBST_MODE): New macro.
8112 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8113 reg and trying to replace reg_regno_rtx with a new register.
8114 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8115 (simplify_set): Use SUBST_MODE.
8116 (distribute_notes): Remove code that tried to update reg notes
8117 for regno_reg_rtx changes.
8119 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8121 PR tree-optimization/23109
8122 PR tree-optimization/23948
8123 PR tree-optimization/24123
8125 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8126 * tree-cfg.c (single_noncomplex_succ): New.
8127 * tree-flow.h (single_noncomplex_succ): Declare it.
8128 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8129 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8130 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8131 insert_bb, register_division_in, insert_reciprocals,
8132 replace_reciprocal, free_bb): New.
8133 (execute_cse_reciprocals_1): Rewritten.
8134 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8135 Do not commit any edge insertion. Always compute dominators and
8136 create the allocation pool.
8137 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8138 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8139 * targhooks.c (default_min_divistions_for_recip_mul): New.
8140 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8141 * passes.c (init_optimization_passes): Run recip after tree loop
8143 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8145 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8146 Kenneth Zadeck <zadeck@naturalbridge.com>
8148 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8149 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8150 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8151 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8152 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8153 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8154 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8155 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8156 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8157 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8158 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8159 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8160 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8161 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8162 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8163 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8164 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8165 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8166 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8167 DF_SCAN_POST_ALLOC): New macros.
8168 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8169 df_free_bb_function, df_local_compute_function, df_init_function,
8170 df_dataflow_function, df_confluence_function_0,
8171 df_confluence_function_n, df_transfer_function,
8172 df_finalizer_function, df_free_function, df_dump_problem_function,
8173 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8174 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8175 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8176 df_urec_bb_info, ) New types.
8177 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8179 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8180 df_analyze_simple_change_some_blocks,
8181 df_analyze_simple_change_one_block, df_compact_blocks,
8182 df_bb_replace, df_bb_regno_last_use_find,
8183 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8184 df_insn_regno_def_p, df_find_def, df_find_use,
8185 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8186 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8187 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8188 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8189 debug_df_chain, df_get_dependent_problem, df_chain_create,
8190 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8191 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8192 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8193 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8194 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8195 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8196 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8197 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8198 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8199 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8200 df_reorganize_refs, df_set_state, df_hard_reg_init,
8201 df_read_modify_subreg_p) New public functions.
8202 * df-core.c: The core dataflow solver and glue routines for rtl
8204 (df_init, df_add_problem, df_set_blocks, df_finish,
8205 df_hybrid_search_forward, df_hybrid_search_backward,
8206 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8207 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8208 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8209 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8210 df_reg_defined, df_find_use, df_reg_used, df_dump,
8211 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8212 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8213 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8214 debug_df_useno, reset_df_after_reload): New functions.
8215 * df-scan.c: The scanning fuctions, once in df.c, completely
8216 rewritten so that they now fully model the functionality of
8217 register usage at the backend.
8218 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8219 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8220 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8221 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8222 df_get_artificial_defs, df_get_artificial_uses,
8223 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8224 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8225 df_refs_delete, df_reorganize_refs, df_set_state,
8226 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8227 df_def_record_1, df_defs_record, df_uses_record,
8228 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8229 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8230 df_record_exit_block_uses, df_hard_reg_init): New functions.
8232 * df-problems.c: Seven concrete dataflow problems that use the
8233 scanning in df-scan.c and are solved by the engine in df-core.c.
8234 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8235 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8236 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8237 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8238 df_ru_free_bb_info, df_ru_alloc,
8239 df_ru_bb_local_compute_process_def,
8240 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8241 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8242 df_ru_transfer_function, df_ru_free, df_ru_dump,
8243 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8244 df_rd_free_bb_info, df_rd_alloc,
8245 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8246 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8247 df_rd_transfer_function, df_rd_free, df_rd_dump,
8248 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8249 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8250 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8251 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8252 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8253 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8254 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8255 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8256 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8257 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8258 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8259 df_urec_mark_reg_use_for_earlyclobber,
8260 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8261 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8262 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8263 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8264 df_chain_create_bb_process_use, df_chain_create_bb,
8265 df_chain_finalize, df_chain_free, df_chains_dump,
8266 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8267 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8268 df_reg_lifetime): New functions.
8269 * df.c: Deleted file.
8270 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8271 consistent with new df api.
8272 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8273 rest_of_handle_sms): Ditto.
8274 * web.c (unionfind_union, union_defs, entry_register, web_main):
8276 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8277 invariant_expr_equal_p, find_defs, check_dependencies,
8278 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8279 free_inv_motion_data, move_loop_invariants): Ditto.
8280 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8281 Update dependencies.
8282 (odf.c): Added defective entry that was deleted later in day.
8283 * sched-deps.c (sched_analyze_1): Ditto.
8285 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8287 * tree-ssa-operands.c (get_expr_operands): Record addressable
8288 variables directly. Do not call add_stmt_operands for CONST_DECLs
8290 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8291 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8293 2006-01-11 Ben Elliston <bje@au.ibm.com>
8295 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8296 function returns true in the positive case.
8298 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8301 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8302 for SI, DI, SF and DF modes. Add alternatives to copy between
8303 general and floating point registers to the 32-bit patterns.
8304 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8305 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8306 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8307 generating 64-bit code.
8308 * config/pa/pa.c (output_move_double): Handle copies between general
8309 and floating registers.
8311 2006-01-10 Stuart Hastings <stuart@apple.com>
8313 * config/i386/i386.md (set_got): Update.
8314 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8315 (builtin_setjmp_receiver): Mach-O support.
8316 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8317 (GOT_SYMBOL_NAME): Define.
8318 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8319 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8320 * config/i386/i386.c (override_options): Revise for Darwin.
8321 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8322 support. (darwin_x86_file_end): New. (output_set_got): Add label
8323 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8324 * config/i386/i386-protos.h (output_set_got): Likewise.
8325 * config/darwin.c (machopic_legitimize_pic_address): Update
8328 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8330 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8331 when MODE isn't BLKmode.
8333 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8335 PR rtl-optimization/25367
8336 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8338 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8341 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8342 for a negative bound.
8344 2006-01-10 Richard Guenther <rguenther@suse.de>
8346 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8347 Never override with anything constraint.
8349 2006-01-10 Jan Beulich <jbeulich@novell.com>
8351 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8352 256 bits when optimize_size.
8354 2006-01-10 Jan Beulich <jbeulich@novell.com>
8356 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8358 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8359 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8362 2006-01-10 Ben Elliston <bje@au.ibm.com>
8364 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8366 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8367 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8368 (USE_FP_FOR_ARG): Reject decimal float modes.
8369 (function_arg_advance): Likewise.
8370 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8371 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8372 point types in AltiVec vectors.
8373 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8374 (rs6000_libcall_value): Likewise.
8376 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8378 * config/xtensa/ieee754-df.S: New file.
8379 * config/xtensa/ieee754-sf.S: New file.
8380 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8381 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8382 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8384 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8386 * config/sh/predicates.md (binary_float_operator,
8387 binary_logical_operator, commutative_float_operator,
8388 equality_comparison_operator, greater_comparison_operator,
8389 less_comparison_operator, logical_operator,
8390 noncommutative_float_operator, shift_operator,
8391 symbol_ref_operand, unary_float_operator): Remove redundant
8394 2006-01-09 Jeff Law <law@redhat.com>
8396 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8397 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8398 now unused arguments. Callers updated.
8399 (eliminate_redundant_computations): Remove now unused arguments,
8401 (local_fold): Remove, no longer used.
8402 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8404 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8405 (simplify_cond): New function.
8406 (forward_propagate_into_cond): Call simplify_cond.
8408 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8410 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8411 (*vec_extractv2di_1_sse): New.
8413 2006-01-09 Ben Elliston <bje@au.ibm.com>
8415 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8417 2006-01-08 Richard Guenther <rguenther@suse.de>
8419 * tree-ssa-structalias.c (get_constraint_for): Remove
8421 (get_constraint_for_component_ref): Likewise.
8422 (do_deref): Likewise.
8423 (get_constraint_for): Likewise.
8424 (do_structure_copy): Likewise.
8425 (handle_ptr_arith): Likewise.
8426 (find_func_aliases): Likewise. Remove unused need_anyoffset
8429 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8430 Kaz Kojima <kkojima@gcc.gnu.org>
8432 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8433 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8434 (EXTRA_CONSTRAINT_C16): Remove.
8435 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8436 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8437 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8438 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8439 constants of SHmedia. Handle nested constant expressions of
8441 (andcosts): Fix the costs for SHmedia constants.
8442 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8443 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8444 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8445 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8446 (movv4hi_i, movv2si_i): Likewise.
8447 (movsi_const): Adjust the second operand of ior so to match with
8449 (movdi_const, movdi_const_32bit): Likewise.
8450 (movdi_const_16bit+1): Don't sign-extend LOW.
8451 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8453 (*double_shori): Fix the split condition. Use GEN_INT instead
8454 of get_int_mode calls. Mask lower 16-bit of the argument of
8456 (sym2GOTPLT): Remove.
8457 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8459 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8460 instead of EXTRA_CONSTRAINT_C16.
8462 2006-01-07 Ian Lance Taylor <ian@airs.com>
8463 David Edelsohn <edelsohn@gnu.org>
8465 PR rtl-optimization/25662
8466 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8467 for constant operands instead of simplify_gen_binary.
8468 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8469 after trying simplify_binary_operation
8471 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8473 * tree.c (iterative_hash_expr): Hash decls based on UID.
8475 2006-01-06 Eric Christopher <echristo@apple.com>
8477 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8478 (TARGET_UNWIND_EMIT): Fix spelling.
8479 * target.h (gcc_target): Add except_table_label.
8480 * except.c (output_function_exception_table): Use.
8481 * varasm.c (default_emit_except_table_label): New.
8482 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8484 (asm_out): Add here.
8485 * output.h (default_emit_except_table_label): Prototype.
8486 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8487 * config/darwin.c (darwin_emit_except_table_label): Define.
8488 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8490 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8492 PR tree-optimization/18527
8493 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8494 number_of_iterations_special, number_of_iterations_exit):
8495 Move base and step of an iv to a single structure. Add
8496 no_overflow flag, and use it in # of iterations analysis.
8497 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8498 folded_casts argument.
8499 (simple_iv): Pass base and step in a structure. Set no_overflow
8501 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8502 Evaluate expensiveness of computing # of iterations instead of
8503 the final expression.
8504 * tree-scalar-evolution.h (affine_iv): New structure.
8505 (simple_iv): Declaration changed.
8506 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8507 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8508 find_givs_in_stmt): Changed due to simple_iv change.
8510 2006-01-06 Jeff Law <law@redhat.com>
8513 * tree-cfg.c (bsi_replace): Rename final argument from
8514 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8515 change (stmt -> orig_stmt).
8516 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8517 (bsi_remove): Add new argument. Remove EH information
8519 (verify_eh_throw_table_statements): New function.
8520 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8522 * tree-optimize.c (execute_free_cfg_annotations): Verify
8523 the EH throw statement table after removing annotations.
8524 * except.h (verify_eh_throw_table_statements): Prototype.
8525 * tree-flow.h (bsi_remove): Update prototype.
8526 * tree-vrp.c (remove_range_assertions): Add new argument to
8528 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8529 * tree-complex.c (expand_complex_div_wide): Likewise.
8530 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8531 * tree-tailcall.c (eliminate_tailcall): Likewise.
8532 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8533 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8534 * tree-nrv.c (tree_nrv): Likewise.
8535 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8536 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8537 (combine_blocks): Likewise.
8538 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8539 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8540 (cleanup_control_flow): Likewise.
8541 (remove_forwarder_block): Likewise.
8542 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8543 * tree-sra.c (sra_replace): Likewise.
8544 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8545 (forward_propagate_single_use_vars): Likewise.
8546 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8547 * tree-inline.c (expand_call_inline): Likewise.
8548 * tree-vect-transform.c (vect_transform_loop): Likewise.
8549 * tree-outof-ssa.c (rewrite_trees): Likewise.
8550 * tree-cfg.c (make_goto_expr_edges): Likewise.
8551 (cleanup_dead_labels): Likewise.
8552 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8553 (bsi_move_before, bsi_move_after): Likewise.
8554 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
8555 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
8557 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
8560 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
8562 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
8563 on non gimple variables. Also add checks at the top for decls and
8565 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
8567 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
8568 and IMAGPART_EXPR for creating MUST_DEFs.
8569 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
8570 and NAME_MEMORY_TAG separately from the DECLs.
8572 2006-01-06 Richard Guenther <rguenther@suse.de>
8574 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
8575 annotation, if necessary.
8576 * tree-ssa-pre.c (create_expression_by_pieces): Remove
8577 redundant calls to update_stmt.
8578 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
8581 2006-01-05 Richard Henderson <rth@redhat.com>
8583 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
8585 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8587 * c-typeck.c: Update copyright date.
8589 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8591 * c-typeck.c (build_c_cast): Always warn when casting
8592 from a pointer to an integer of different size, even if
8593 the node was constant.
8595 2006-01-05 Richard Guenther <rguenther@suse.de>
8597 PR tree-optimization/22555
8598 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
8599 if one structure field is an array.
8600 * tree-ssa-operands.c (get_expr_operands): Continue scanning
8601 operands even if we found a subvar, but ignore VOPs in this
8603 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
8605 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
8607 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
8610 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
8612 2006-01-05 Richard Guenther <rguenther@suse.de>
8613 Diego Novillo <dnovillo@redhat.com>
8615 * tree-pass.h (TODO_remove_unused_locals): Define.
8616 * gimple-low.c (expand_var_p, remove_useless_vars,
8617 pass_remove_useless_vars): Remove. Update all users.
8618 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
8619 (remove_unused_locals): New function.
8620 * tree-flow.h (remove_unused_locals): Declare.
8621 * passes.c (execute_todo): Call remove_unused_locals if
8622 TODO_remove_unused_locals is set.
8623 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
8624 * tree-ssa-dce.c (pass_dce): Likewise.
8625 * tree-outof-ssa.c (pass_del_ssa): Likewise.
8627 2006-01-05 Richard Guenther <rguenther@suse.de>
8629 * tree-flow.h (struct fieldoff): Decompose field to
8630 type, size and decl.
8631 * tree-ssa-alias.c (create_sft): Take type as parameter.
8632 (create_overlap_variables_for): Store type, size and decl
8633 in the fieldoff structure.
8634 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
8636 (push_fields_onto_fieldstack): Likewise.
8637 (create_variable_info_for): Likewise. Use offset for the
8638 SFT name if the decl is not available.
8640 2006-01-04 Paul Brook <paul@codesourcery.com>
8642 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
8644 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
8646 * lambda-code.c (can_put_in_inner_loop): Relax
8648 (can_put_after_inner_loop): New function.
8649 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
8650 (perfect_nestify): Change to make copies and modify uses.
8652 2006-01-04 Richard Henderson <rth@redhat.com>
8654 Merge from gomp branch:
8655 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
8656 via integer constant.
8657 (pragma_lex): Remove.
8658 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
8659 rather than parsing it.
8660 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
8661 handle_pragma_extern_prefix): Add %< %> quotes.
8662 (registered_pragmas): New.
8663 (c_register_pragma_1): New.
8664 (c_register_pragma): Use it.
8665 (c_register_pragma_with_expansion): Likewise.
8666 (c_invoke_pragma_handler): New.
8667 (init_pragma): Use cpp_register_deferred_pragma directly for
8669 * c-pragma.h (enum pragma_kind): New.
8670 (pragma_handler): New.
8671 (c_invoke_pragma_handler): Declare.
8672 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
8674 * c-common.h (c_common_pch_pragma): Update decl.
8675 * Makefile.in (c-parser.o): Update dependencies.
8676 (GTFILES): Add c-pragma.h.
8677 * c-parser.c (struct c_token): Add pragma_kind.
8678 (struct c_parser): Add in_pragma.
8679 (c_lex_one_token): Always initialize keyword and pragma_kind.
8680 Extract data for CPP_PRAGMA.
8681 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
8682 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
8683 Don't allow CPP_PRAGMA_EOL if in_pragma.
8684 (c_parser_consume_pragma): New.
8685 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
8686 (c_parser_skip_to_end_of_parameter): Likewise.
8687 (c_parser_skip_to_end_of_block_or_statement): Likewise.
8688 (c_parser_skip_to_pragma_eol): New.
8689 (c_parser_external_declaration): Handle CPP_PRAGMA.
8690 (c_parser_compound_statement_nostart): Likewise.
8691 (c_parser_statement_after_labels): Likewise.
8692 (c_parser_pragma): New.
8693 (pragma_lex): Likewise.
8694 (c_parser_pragma_pch_preprocess): New.
8695 (c_parser_new): Merge into ...
8696 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
8698 2006-01-04 Jeff Law <law@redhat.com>
8701 * tree-cfg.c (bsi_replace): Remove the original statement
8702 from the EH throw statement table.
8704 2006-01-04 Jakub Jelinek <jakub@redhat.com>
8706 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
8707 make the prototype extern "C" and add throw ().
8710 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
8711 and pos non-negative and pos + len <= 32.
8712 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
8713 drop pos + len < HOST_BITS_PER_WIDE_INT test.
8714 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
8717 * c-common.c (handle_vector_size_attribute): Reject zero vector size
8718 as well as sizes not multiple of component size.
8721 * function.c (instantiate_expr): New function.
8722 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
8723 walk its DECL_VALUE_EXPR with instantiate_expr.
8725 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
8726 DW_OP_deref{,_size} if address isn't going to be added.
8728 2006-01-04 Ben Elliston <bje@au.ibm.com>
8730 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
8731 * config/fp-bit.c: Likewise.
8733 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
8735 * dominance.c: Add comment about why we use DFS numbering
8738 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8739 Richard Henderson <rth@redhat.com>
8741 Merge from gomp-branch:
8742 * varasm.c (assemble_variable): Handle thread-local COMMON data.
8743 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
8745 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
8747 PR rtl-optimization/25578
8748 * combine.c (combine_simplify_rtx, force_to_mode): Don't
8749 pass a parameter to simplify_shift_const if changing ASHIFTRT
8752 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
8754 * builtins.c (get_builtin_sync_mem): New function.
8755 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
8756 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
8757 Call get_builtin_sync_mem to generate mem rtx.
8759 2006-01-03 Richard Guenther <rguenther@suse.de>
8762 * stmt.c (add_case_node): Make sure to clear overflow flags
8765 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8767 Merge from gomp-branch.
8768 * config/sparc/sync.md: New file.
8769 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
8770 UNSPECV_LDSTUB): New constants.
8771 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
8772 * config/sparc/predicates.md (memory_reg_operand): New predicate.
8773 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
8776 2006-01-03 Roger Sayle <roger@eyesopen.com>
8778 * combine.c (reg_subword_p): New predicate to test whether the
8779 destination of a set refers to a subword/piece of a register.
8780 (try_combine): Generalize the code to merge the setting of a
8781 pseudo to a constant followed by a set of a subword of that
8782 register to a constant.
8784 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
8786 * basic-block.h (control_flow_graph): Change the type of
8787 x_label_to_block_map to VEC(basic_block,gc) *.
8788 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
8789 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
8791 * tree-ssa-propagate.c (cfg_blocks): Change the type to
8792 VEC(basic_block,heap) *.
8793 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
8794 ssa_prop_fini): Adjust the uses of cfg_blocks.
8796 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
8798 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
8800 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
8801 hashing trees instead of a pointer hash.
8802 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
8803 compare for MEM_EXPR.
8805 PR rtl-optimization/25130
8806 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
8807 when comparing MEMs for GCSE
8809 2006-01-03 Ben Elliston <bje@au.ibm.com>
8811 * targhooks.h (default_decimal_float_supported_p): Declare.
8812 * targhooks.c (default_decimal_float_supported_p): Define.
8813 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
8814 `default_decimal_float_supported_p'.
8815 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
8817 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
8819 * combine.c (apply_distributive_law <SUBREG>): Check
8820 TRULY_NOOP_TRUNCATION.
8822 2006-01-02 Geoffrey Keating <geoffk@apple.com>
8824 * dwarf2out.c (have_switched_text_section): Delete.
8825 (have_multiple_function_sections): New.
8826 (have_location_lists): Make 'bool'.
8827 (add_AT_loc_list): Use 'true' not '1'.
8828 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
8829 (output_loc_list): Use have_multiple_function_sections.
8830 (output_ranges): Likewise.
8831 (dwarf2out_begin_function): Set have_multiple_function_sections if
8833 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
8834 Check function_section rather than DECL_SECTION_NAME.
8835 (dwarf2out_finish): Use have_multiple_function_sections.
8836 Don't clear have_location_lists.
8838 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
8839 Jan Hubicka <jh@suse.cz>
8841 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
8842 case of conditional jump jumping to the next instruction.
8843 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
8844 cases of conditional jump jumping to the next instruction.
8846 2006-01-02 Jan Hubicka <jh@suse.cz>
8848 * i386.c (*_cost): Add COSTS_N_INSNS.
8849 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
8851 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
8854 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
8856 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8858 * config/arm/arm.c (all_fpus): Fix comment typo.
8859 * config/darwin.c: Likewise.
8860 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
8861 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
8862 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
8864 2006-01-01 David Edelsohn <edelsohn@gnu.org>
8866 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
8867 (rs6000_split_compare_and_swapqhi): New.
8868 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
8869 (sync_compare_and_swapqhi_internal): New.
8870 * config/rs6000/rs6000-protos.h: Declare.