1 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
5 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7 (instantiate_parameters_1): Convert the operands before calling
8 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11 2006-04-02 Roger Sayle <roger@eyesopen.com>
13 * builtins.c (dummy_object): Use build_int_cst instead of convert.
14 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
16 * dojump.c (do_jump): Likewise.
17 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
18 * gimplify.c (gimple_boolify, gimplify_init_constructor,
19 gimplify_boolean_expr): Likewise.
20 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
21 * varasm.c (array_size_for_constructor): Likewise.
22 * tree-object-size.c (compute_object_offset): Likewise.
24 2006-04-02 Roger Sayle <roger@eyesopen.com>
27 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
28 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
30 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
32 PR tree-optimization/26939
33 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
35 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
37 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
38 at_stmt. Convert the type of operands before calling
39 build_polynomial_chrec.
40 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
42 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
43 (instantiate_parameters_1): Convert the type of operands before calling
44 build_polynomial_chrec.
45 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
46 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
47 reset_evolution_in_loop): Insert asserts to check the types of the
49 (chrec_type): Moved...
50 (eq_evolutions_p): Use operand_equal_p.
51 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
52 the types of the operands.
53 (chrec_type): ...here.
54 * tree-data-ref.c (create_data_ref): Convert the operands before
55 calling chrec_replace_initial_condition.
56 (same_access_functions, analyze_subscript_affine_affine,
57 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
58 (compute_subscript_distance, analyze_ziv_subscript,
59 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
60 analyze_miv_subscript): Convert the operands before calling
61 chrec_fold_minus or chrec_fold_plus.
63 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
65 * tree-data-ref.c (compute_all_dependences): Use a pointer to
66 the dependence_relations vector.
67 (compute_data_dependences_for_loop): Adjust call to
68 compute_all_dependences.
70 2006-04-01 Roger Sayle <roger@eyesopen.com>
71 Richard Henderson <rth@redhat.com>
73 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
74 gimple_boolify on the condition before calling gimplify_expr.
76 2006-03-31 Bob Wilson <bob.wilson@acm.org>
78 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
79 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
80 the frame size. Update to use the new macros.
81 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
82 * config/xtensa/ieee754-df.S: Likewise.
84 2006-03-31 Richard Henderson <rth@redhat.com>
86 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
87 (make_edges): ... here. Control fallthru creation with a local
88 variable. Do not play with fake edges.
89 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
90 (make_goto_expr_edges): Don't play with fake edges. Make for_call
93 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
95 * dwarf2.h (DW64_CIE_ID): Define.
96 * dwarf2out.c (DWARF_CIE_ID): Define.
97 (output_call_frame_info): Output 0xffffffff before standard 8-byte
98 length header. Use DWARF_CIE_ID.
99 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
100 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
102 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
104 * config/sh/linux-atomic.asm: New file.
105 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
107 2006-03-31 DJ Delorie <dj@redhat.com>
109 * config/m32c/cond.md: Set condition flags properly throughout.
110 * config/m32c/minmax.md: Likewise.
111 * config/m32c/prologue.md: Likewise.
112 * config/m32c/bitops.md: Likewise.
113 * config/m32c/muldiv.md: Likewise.
114 * config/m32c/mov.md: Likewise.
115 * config/m32c/addsub.md: Likewise.
116 * config/m32c/m32c.md: Likewise.
117 * config/m32c/jump.md: Likewise.
118 * config/m32c/shift.md: Likewise.
120 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
121 conditionally output the pattern for this.
122 * config/m32c/m32c.c (flags_needed_for_conditional): New.
123 (m32c_compare_redundant): New.
124 (m32c_output_compare): New.
125 * config/m32c/m32c-protos.h (m32c_output_compare): New.
127 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
128 dest, not src. Allow other 4-byte modes.
130 2006-03-30 Denis Chertykov <denisc@overta.ru>
132 * doc/md.texi: Refer to avr/constraints.md instead of
135 2006-03-30 Roger Sayle <roger@eyesopen.com>
137 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
138 signed vs. unsigned comparison failures on some hosts.
140 2006-03-31 Alan Modra <amodra@bigpond.net.au>
143 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
144 change to FLOAT_REGS.
146 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
147 (rs6000_override_options): Use it.
148 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
149 only for -mabi=spe/no-spe and -mabi=altivec.
151 2006-03-30 Geoffrey Keating <geoffk@apple.com>
153 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
156 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
158 * Makefile.in: Rename docdir to gcc_docdir.
160 2006-03-30 Roger Sayle <roger@eyesopen.com>
163 * expr.c (emit_group_store): Optimize group stores into a pseudo
164 register by using a paradoxical subreg to initialize the destination
165 if the first or last member of the group specifies a "low part".
167 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
170 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
171 * target.h (struct gcc_target.speculate_insn): Change type of the
172 second parameter to 'int'.
173 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
174 the second operand of the DEPS_LIST.
175 (copy_DEPS_LIST_list): Update reference to the second operand of the
177 * rtl.h (alloc_DEPS_LIST): Update signature.
178 * sched-int.h (ds_t): Change typedef to 'int'.
179 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
181 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
183 * haifa-sched.c (try_ready): Change condition to restore
184 non-speculative pattern of the instruction.
185 (process_insn_depend_be_in_spec): Code to keep probability of the
186 speculative dependence non-decreasing.
188 2006-03-30 Jie Zhang <jie.zhang@analog.com>
190 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
191 (single_move_for_movmem): ... this. Also change all uses.
192 (bfin_expand_strmov): Renamed to...
193 (bfin_expand_movmem): ... this. Also change all uses.
194 * config/bfin/bfin.md (movstrsi): Renamed to...
197 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
199 PR tree-optimization/26830
201 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
202 (copy_prop_visit_stmt): Remove write-only variable ann.
203 (init_copy_prop): Check variable loop depth here. Do not simulate
204 memory-tag and virtual operand PHIs except for store copy prop.
206 2006-03-30 Richard Guenther <rguenther@suse.de>
208 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
209 variants with double arguments.
211 2006-03-29 David Edelsohn <edelsohn@gnu.org>
213 * genpreds.c (write_tm_constrs_h): Delete variable p.
214 * genconditions.c (write_header): Add tm-constrs.h to included
216 * genpeep.c (main): Add toplev.h to included headers.
217 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
218 (build/genpeep.o): Add toplev.h dependency.
219 * config/rs6000/constraints.md: Add "W" constraint.
221 2006-03-29 Roger Sayle <roger@eyesopen.com>
223 * stor-layout.c (mode_for_size_tree): Remove restiction on type
224 sizes by correctly testing whether the size fits a host integer.
225 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
226 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
227 SImode range for the default sizetype and bitsizetype.
229 2006-03-29 Roger Sayle <roger@eyesopen.com>
231 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
232 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
233 quickly if the argument is already of the correct type.
234 Call fold_build1 instead of build1. Tidy up blank lines.
236 2006-03-29 David Edelsohn <edelsohn@gnu.org>
238 * genemit.c (main): Add tm-constrs.h to included headers.
239 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
240 * genpeep.c (main): Add tm-constrs.h to included headers.
241 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
242 (write_tm_constrs_h): this and write complete file.
243 (write_tm_preds_h): Do not emit satisfies_constraint fns.
244 (write_insn_preds_c): Add tm-constrs.h to included headers.
245 (gen_constrs): New variable.
246 (parse_option): Parse "-c".
247 (main): Invoke write_tm_constrs_h.
248 * genrecog.c (write_header): Add tm-constrs.h to included headers.
249 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
250 (object_out_file): Add tm-constrs.h dependency.
252 (insn-output.o): Same.
254 (insn-preds.o): Same.
255 (insn-recog.o): Same.
256 (tm-constsr.h): New target.
257 (s-constrs-h): New target.
259 * config/rs6000/constraints.md: New file.
260 * config/rs6000/rs6000.c: Include tm-constrs.h.
261 (num_insn_constant_wide): Convert to satisfies_constraint.
262 (rs6000_rtx_costs): Convert to satisfies_constraint.
263 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
264 (CONST_OK_FOR_LETTER_P): Delete.
265 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
266 (EXTRA_CONSTRAINT): Delete.
267 (EXTRA_MEMORY_CONSTRAINT): Delete.
268 (EXTRA_ADDRESS_CONSTRAINT): Delete.
269 * config/rs6000/predicates.md: Convert to satisfies_constraint.
270 * config/rs6000/rs6000.md: Include constraints.md. Convert to
271 satisfies_constraint.
273 * config/i386/i386.c: Include tm-constrs.h.
275 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
277 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
278 * tree-data-ref.c (find_data_references_in_loop,
279 compute_data_dependences_for_loop): Use pointers to VEC.
280 (analyze_all_data_dependences): Adjust calls.
281 * tree-data-ref.h (find_data_references_in_loop,
282 compute_data_dependences_for_loop): Adjust declarations.
283 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
284 compute_data_dependences_for_loop.
286 2006-03-29 Paul Brook <paul@codesourcery.com>
288 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
291 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
293 PR tree-optimization/26859
294 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
296 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
297 for the step after fold_convert.
299 2006-03-29 Paul Brook <paul@codesourcery.com>
301 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
302 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
304 2006-03-29 Paul Brook <paul@codesourcery.com>
307 * targhooks.c (default_narrow_bitfield): New fuction.
308 * targhooks.h (default_narrow_bitfield): add prototype.
309 * target.h (gcc_target): Add narrow_volatile_bitfield.
310 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
311 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
312 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
313 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
315 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
317 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
319 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
320 (NR_C_MODES): Add TDmode, DDmode and SDmode.
321 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
322 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
323 (s390_function_arg_float): Allow SDmode and DDmode values to be
324 passed in floating point registers.
325 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
326 check with SCALAR_FLOAT_MODE_P.
327 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
329 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
331 PR tree-optimization/25985
332 * tree-ssa-loop-niter.c (number_of_iterations_le,
333 number_of_iterations_ne): Make comments more precise.
334 (number_of_iterations_cond): Add only_exit argument. Use the
335 fact that signed variables do not overflow only when only_exit
337 (loop_only_exit_p): New.
338 (number_of_iterations_exit): Pass result of loop_only_exit_p to
339 number_of_iterations_cond.
341 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
343 PR tree-optimization/26643
344 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
347 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
349 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
350 (divsi3_i4_int): Likewise.
352 2006-03-28 Roger Sayle <roger@eyesopen.com>
354 * expr.c (emit_group_store): Only create a new pseudo reg if the
355 quantity it needs to hold isn't already a suitable pseudo.
357 2006-03-28 Jeff Law <law@redhat.com>
359 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
360 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
362 2006-03-28 Roger Sayle <roger@eyesopen.com>
364 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
365 the equivalent ~X & Y, and the symmetry related transformations.
366 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
367 ~X & Y, and symmetry related transforms.
369 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
371 Revert my 2006-03-27 patches.
373 2006-03-28 Roger Sayle <roger@eyesopen.com>
375 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
376 ~(T1)X, when T1 and T2 are integer types of the same precision
377 and (T2)X isn't an extension.
379 2006-03-28 Jeff Law <law@redhat.com>
381 PR tree-optimization/26796
382 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
383 need EH edge cleanups rather than purging them immediately.
384 (eliminate_degenerate_phis): Handle queued EH cleanups.
386 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
388 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
391 2006-03-27 Roger Sayle <roger@eyesopen.com>
394 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
395 cast BIT_NOT_EXPR operand to the correct type.
397 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
399 * tree-loop-linear.c: Don't include varray.h.
400 (gather_interchange_stats, try_interchange_loops,
401 linear_transform_loops): Use VEC instead of VARRAY.
402 * lambda-mat.c: Don't include varray.h.
403 * tree-chrec.c: Same.
404 * lambda-trans.c: Same.
405 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
406 VEC instead of VARRAY.
407 * tree-vectorizer.h: Idem.
408 * tree-data-ref.c (dump_data_references,
409 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
410 initialize_data_dependence_relation, finalize_ddr_dependent,
411 compute_all_dependences, find_data_references_in_loop,
412 compute_data_dependences_for_loop, analyze_all_data_dependences,
413 free_dependence_relation, free_dependence_relations,
414 free_data_refs): Idem.
415 * tree-data-ref.h (data_reference_p, subscript_p): New.
416 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
417 VEC instead of VARRAY.
418 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
419 (find_data_references_in_loop, compute_data_dependences_for_loop,
420 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
421 dump_data_dependence_relations, free_dependence_relations,
422 free_data_refs): Adjust declaration.
423 (lambda_transform_legal_p): Move declaration here...
424 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
425 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
426 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
427 vect_analyze_data_refs): Use VEC instead of VARRAY.
428 * lambda.h (lambda_transform_legal_p): ...from here.
429 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
430 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
431 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
432 tree-chrec.o): Don't depend on VARRAY_H.
434 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
436 * rtl.def (Copyright): Update date.
437 (DEPS_LIST): Change type of the second operand to 'int'.
438 * target.h (Copyright): Update date.
439 (struct gcc_target.speculate_insn): Change type of the second parameter
441 * lists.c (Copyright): Update date.
442 (alloc_DEPS_LIST): Change signature. Update reference to the second
443 operand of the DEPS_LIST.
444 (copy_DEPS_LIST_list): Update reference to the second operand of the
446 * rtl.h (Copyright): Update date.
447 (alloc_DEPS_LIST): Update signature.
448 * sched-int.h (Copyright): Update date.
449 (ds_t): Change typedef to 'int'.
450 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
452 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
454 * haifa-sched.c (Copyright): Update date.
455 (try_ready): Change condition to restore non-speculative pattern
457 (process_insn_depend_be_in_spec): Code to keep probability of the
458 speculative dependence non-decreasing.
460 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
462 * regrename.c (replace_oldest_value_addr): Initialize a variable to
463 shut up the compiler.
465 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
467 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
468 to use lib prefix for target.
469 ($(T)libic_invalidate_array_4-200.a): Likewise.
470 ($(T)libic_invalidate_array_4a.a): Likewise.
472 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
473 J"orn Rennecke <joern.rennecke@st.com>
475 * superh.opt: New file.
476 * sh.c (boardtype, osruntime): Remove.
477 * superh.h (SUBTARGET_OPTIONS): Remove.
478 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
480 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
481 arguments with ^ and/or [].
483 * config.gcc (sh-*-*): Add quoting to account for quirk of
485 Replace == with = in enable_incomplete_targets test.
487 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
488 with MASK_LITTLE_ENDIAN.
490 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
491 * config/sh/sh.opt: Added to some comments.
492 * config/sh/superh.h: Removed some chaff.
494 * config/sh/sh.opt: Add m4-[1234]00* options.
495 * config/sh/sh.c (sh_handle_option): Likewise.
496 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
497 (ic_invalidate_array_4-100.o): New rule.
498 ($(T)libic_invalidate_array_4-100.a): Likewise.
499 (ic_invalidate_array_4-200.o): Likewise.
500 ($(T)libic_invalidate_array_4-200.a): Likewise.
501 (ic_invalidate_array_4a.o): Likewise.
502 ($(T)libic_invalidate_array_4a.a): Likewise.
503 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
504 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
506 * config/sh/crt1.asm: Merged in profiling code.
507 * config/sh/superh.h (STARTFILE_SPEC): Override.
508 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
509 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
510 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
512 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
513 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
514 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
516 * sh.opt (mpretend-cmove): New option.
517 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
518 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
519 (movsicc): Add TARGET_PRETEND_CMOVE code.
521 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
523 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
524 s390_class_max_nregs): New function prototypes.
525 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
526 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
527 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
528 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
530 2006-03-26 Geoffrey Keating <geoffk@apple.com>
532 * dwarf2out.c (add_location_or_const_value_attribute): Call
533 tree_add_const_value_attribute if nothing else works.
534 (reference_to_unused): New.
535 (rtl_for_decl_init): Use reference_to_unused to decide whether
536 to output an initializer.
538 2006-03-27 Alan Modra <amodra@bigpond.net.au>
541 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
542 peephole removing spe frob_di_df_2.
544 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
546 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
547 (subscript_dependence_tester_1): Declared.
548 (print_dir_vectors, print_dist_vectors): New.
549 (debug_data_dependence_relation): New.
550 (dump_data_dependence_relation): Print more details.
551 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
552 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
553 (save_dist_v, save_dir_v, add_outer_distances,
554 build_classic_dist_vector_1): New.
555 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
556 Don't test for lambda_vector_lexico_pos.
557 (same_access_functions, add_multivariate_self_dist,
558 add_other_self_distances, dir_from_dist): New.
559 (build_classic_dir_vector): Replace implementation almost identical to
560 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
562 (subscript_dependence_tester_1): New.
563 (subscript_dependence_tester): Handle the lexicographically negative
564 distance vectors by recomputing the dependence relation.
565 (compute_affine_dependence): Remove parameter loop_nest_depth.
566 (compute_self_dependence): Don't call compute_subscript_distance.
567 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
568 Add a parameter for the loop_nest.
569 (find_loop_nest_1, find_loop_nest): New.
570 (compute_data_dependences_for_loop): Compute the loop nest, and give
571 up if the nest is not well formed.
572 * tree-data-ref.h (loop_p): New.
573 (struct data_dependence_relation): Replace size_vect field with
574 loop_nest, a vec of loops.
575 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
576 (DDR_LOOP_NEST): New.
577 (print_dir_vectors, print_dist_vectors,
578 debug_data_dependence_relation): Declared.
579 (index_in_loop_nest): New.
580 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
581 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
584 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
586 * simplify-rtx.c (simplify_relational_operation): Call
587 simplify_relational_operation_1 even if mode is VOIDmode.
589 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
591 PR tree-optimization/26804
592 * tree.h (DECL_CALL_CLOBBERED): New macro.
593 (tree_decl_common): Add call_clobbered_flag.
594 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
595 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
596 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
597 (mark_non_addressable): Ditto.
598 * tree-ssa.c (verify_call_clobbered): New function.
599 (verify_alias_info): Use it.
600 * tree-pass.h (pass_reset_cc_flags): New prototype.
601 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
602 (reset_cc_flags): New function.
603 * passes.c (init_optimization_passes): Call reset_cc_flags after
604 initializing referenced_vars.
606 2006-03-25 Uros Bizjak <uros@kss-loka.si>
607 Roger Sayle <roger@eyesopen.com>
610 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
611 to 1.0 for non-real operands. Implement A / A optimization for
614 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
616 * config/i386/i386.c (size_cost): Correct the comment for
617 cost of storing fp registers.
618 (i386_cost): Likewise.
619 (i486_cost): Likewise.
620 (pentium_cost): Likewise.
621 (pentiumpro_cost): Likewise.
623 (athlon_cost): Likewise.
625 (pentium4_cost): Likewise.
626 (nocona_cost): Likewise.
627 (generic64_cost): Likewise.
628 (generic32_cost): Likewise.
630 2006-03-24 Denis Chertykov <denisc@overta.ru>
632 * config/avr/avr-protos.h (extra_constraint): Delete.
633 (extra_constraint_Q): New declaration.
634 * config/avr/constraints.md: New file.
635 * config/avr/avr.md: Include it.
636 (REG_X, REG_Y, REG_Z, REG_W): New constants.
637 (TMP_REGNO, ZERO_REGNO): Likewise.
638 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
639 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
640 (extra_constraint): Delete.
641 (extra_constraint_Q): Test for memory constraint 'Q'.
642 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
643 (REG_CLASS_FROM_LETTER): Delete.
644 (CONST_OK_FOR_LETTER_P): Delete.
645 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
646 (EXTRA_CONSTRAINT): Delete.
648 (ZERO_REGNO): Delete.
650 2006-03-24 Jeff Law <law@redhat.com>
652 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
653 directly. Call mark_new_vars_to_rename slightly earlier.
655 2006-03-24 Geoffrey Keating <geoffk@apple.com>
657 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
659 (gen_compile_unit_die): Use new language types for Objective-C and
661 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
665 * config/t-darwin (crt3.o): Work around bug 26840.
666 * config/darwin-crt3.c: Rewrite.
667 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
669 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
671 * doc/invoke.texi: Document -femit-class-debug-always
672 * common.opt: Add -femit-class-debug-always.
674 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
676 * config/s390/s390.c (s390_decompose_address): Allow SImode for
677 index and base register.
678 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
679 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
680 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
681 REGNO_OK_FOR_INDEX_P.
682 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
684 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
685 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
686 REG_OK_FOR_BASE_P): Definitions removed.
688 2006-03-24 Jakub Jelinek <jakub@redhat.com>
691 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
692 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
693 set yet or weren't marked as local yet.
695 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
697 * regrename.c (scan_rtx_address): Initialize a variable to shut up
700 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
702 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
703 (rs6000_legitimate_small_data_p): Delete.
704 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
705 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
706 and make static. Add forward declaration. Update uses.
707 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
708 of offsettable_memref_p.
709 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
710 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
712 2006-03-24 Jeff Law <law@redhat.com>
714 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
715 around bug in immediate-use iterator.
717 2006-03-24 Alan Modra <amodra@bigpond.net.au>
720 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
721 or __LITTLE_ENDIAN__.
723 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
725 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
726 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
727 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
728 * config/sh/sh.opt (mdiv=): Amend description.
729 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
730 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
731 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
732 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
733 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
734 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
735 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
736 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
737 TARGET_DIVIDE_CALL_FP.
739 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
741 * haifa-sched.c (choose_ready): Fix type of the local variable.
742 Move local variables. Add comment.
743 (check_reg_live): Change signature. Make callable from debugger.
744 * sched-int.h (check_reg_live): Update signature.
745 * sched-ebb.c (check_reg_live): Update parameters.
746 * sched-rgn.c (check_reg_live): Ditto.
747 (region_head_or_leaf_p): Check pointer before dereferencing.
748 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
749 before reload on optimization levels below 1.
751 2006-03-23 Richard Henderson <rth@redhat.com>
753 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
757 * config/alpha/predicates.md (local_symbolic_operand): Reject
760 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
763 * tree-ssa-pre.c (create_value_expr_from): Don't reject
764 expressions which have overflowed constants.
766 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
768 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
770 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
772 * cfgloopmanip.c (create_loop_notes): Removed.
773 * final.c (final_scan_insn): Do not handle loop notes.
774 * jump.c (squeeze_notes): Ditto.
775 * cfglayout.c (skip_insns_after_block,
776 duplicate_insn_chain): Ditto.
777 * cfgcleanup.c (rest_of_handle_jump2): Do not call
779 * cfgloop.h (create_loop_notes): Declaration removed.
781 2006-03-23 Richard Sandiford <richard@codesourcery.com>
783 * varasm.c (output_constant_pool): Restore fnname and fndecl
785 (assemble_start_function): Adjust call accordingly.
786 (assemble_end_function): Likewise.
788 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
791 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
794 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
796 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
799 * system.h (ICE_EXIT_CODE): New macro.
800 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
801 (diagnostic_action_after_output): Likewise.
802 * gcc.c (fatal_ice): New function.
803 (execute): Use it instead of fatal.
804 (fancy_abort): Likewise.
805 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
807 2006-03-22 Jeff Law <law@redhat.com>
809 * loop-unroll.c (analyze_iv_to_split_insn): Handle
810 iv_analyze_result returning false.
812 2006-03-22 Jie Zhang <jie.zhang@analog.com>
814 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
816 2006-03-22 Richard Henderson <rth@redhat.com>
819 * except.c (duplicate_eh_regions_0): New.
820 (duplicate_eh_region_1): Duplicate the children of the node as
821 well as the node itself. Link them up properly.
822 (duplicate_eh_region_2): Merge into ...
823 (duplicate_eh_regions): ... here. Take copy_region argument, and
824 copy only a sub-tree if asked. Simplify copying and fixup.
825 (eh_region_outer_p): New.
826 * except.h (duplicate_eh_regions): Update decl.
827 (eh_region_outer_p): Declare.
828 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
829 (lower_omp_master): Likewise.
830 (lower_omp_ordered): Likewise.
831 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
832 (move_stmt_r): Use it to remap labels. Handle recursion vs
833 remap_decls_p properly.
834 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
835 (find_outermost_region_in_block): New.
836 (new_label_mapper): New.
837 (move_sese_region_to_fn): Copy eh information to the new function
839 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
841 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
844 2006-03-22 Richard Sandiford <richard@codesourcery.com>
846 * doc/md.texi (-mshared): Mention that -mshared code can be linked
847 into shared libraries.
849 2006-03-22 Richard Sandiford <richard@codesourcery.com>
851 * doc/md.texi: Refer to i386/constraints.md instead of
853 * config/i386/constraints.md: New file, extracted from...
854 * config/i386/predicates.md: ...here.
855 * config/i386/i386.md: Include constraints.md.
857 2006-03-21 Jason Merrill <jason@redhat.com>
859 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
862 * expr.c (init_block_move_fn): Force default visibility.
863 (init_block_clear_fn): Likewise.
864 * builtins.c (expand_builtin_fork_or_exec): Likewise.
865 * targhooks.c (default_external_stack_protect_fail): Likewise.
867 2006-03-21 Richard Sandiford <richard@codesourcery.com>
869 * config/mips/predicates.md (const_call_insn_operand): Allow direct
870 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
871 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
872 Use TARGET_OLDABI instead of !TARGET_NEWABI.
873 (loadgp): Use mips_current_loadgp_style.
874 (loadgp_noshared): New pattern.
875 (sibcall_internal): Use MIPS_CALL.
876 (sibcall_value_internal): Likewise.
877 (sibcall_value_multiple_internal): Likewise.
878 (call_internal): Likewise.
879 (call_value_internal): Likewise.
880 (call_value_multiple_internal): Likewise.
881 (call_split): Use MIPS_CALL and add an 'S' constraint.
882 (call_value_split): Likewise.
883 (call_value_multiple_split): Likewise.
884 * config/mips/mips.opt (-mabicalls): Tweak docstring.
885 (-mshared): New option.
886 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
887 (mips_current_loadgp_style): Declare.
888 * config/mips/mips.c (mips_classify_symbol): Avoid using
889 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
890 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
891 TARGET_ABSOLUTE_ABICALLS.
892 (override_options): Adjust comments. Improve the warning that is
893 issued when -mabicalls and -G are used together.
894 (mips_file_start): Remove comment.
895 (mips_current_loadgp_style): New function.
896 (mips_gnu_local_gp): New variable.
897 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
899 (mips_output_function_prologue): Use mips_current_laodgp_style.
900 (mips_expand_prologue): Call mips_emit_loadgp before emitting
901 the cprestore instruction.
902 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
903 live for TARGET_ABSOLUTE_ABICALLS.
904 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
905 (ASM_SPEC): Pass down -mshared and -mno-shared.
906 (MIPS_CALL): New macro.
907 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
909 * doc/invoke.texi (-mabicalls): Update documentation.
910 (-mshared): Document.
912 2006-03-21 Steve Ellcey <sje@cup.hp.com>
914 * config/ia64/unwind-hpux.c: New file.
915 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
917 2006-03-21 Steve Ellcey <sje@cup.hp.com>
920 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
922 2006-03-21 Jeff Law <law@redhat.com>
924 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
925 type conversions of a VR_VARYING source to a wider type.
927 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
929 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
930 tm_file on Solaris 10 and later.
931 (sparc64-*-solaris2*): Likewise.
932 (sparc-*-solaris2*): Likewise.
933 * config/sol26.h: Rename to config/sol2-6.h.
934 * config/sol2-10.h: New file.
936 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
939 * tree-ssa-pre.c (create_component_ref_by_pieces):
942 2006-03-21 Jakub Jelinek <jakub@redhat.com>
945 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
946 return it immediately.
948 2006-03-21 Michael Matz <matz@suse.de>
950 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
952 (remove_arc, add_arc): Update num_out_arcs member.
953 (set_out_arc_insns_equiv_num): Returns nothing instead of number
955 (cache_presence): New function.
956 (compare_states_for_equiv): New function.
957 (state_is_differed): Don't take number of outargs, adjust callers.
958 Use new invariant for speeding up.
959 (init_equiv_class): Create initial classes based on sorted
961 (partition_equiv_class): Don't track out_arcs_num.
962 (evaluate_equiv_classes): Call cache_presence on all states and
965 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
967 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
968 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
969 (bfin_valid_reg_p): Test for pseudos explicitly and use only
970 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
972 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
973 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
974 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
975 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
976 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
978 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
979 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
980 (REGNO_REG_CLASS): ARGP is in PREGS.
981 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
983 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
984 to deal with those addresses.
985 * addresses.h: New file.
986 * caller-save.c: Include "addresses.h".
987 (init_caller_save): Use new base_reg_class function.
988 * rtl-factoring.c: Include "addresses.h".
989 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
990 * recog.c: Include "addresses.h".
991 (preprocess_constraints): Use new base_reg_class function.
992 * regrename.c: Include "addresses.h".
993 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
994 functions. Keep track of a new var INDEX_CODE to compute valid
996 (replace_oldest_value_addr): Likewise.
997 (replace_oldest_value_mem): Use base_reg_class.
998 * reload.c: Include "addresses.h".
999 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1000 (find_reloads): Use new base_reg_class function.
1001 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1002 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1003 all callers and prototype changed.
1004 * reload1.c: Include "addresses.h".
1005 (maybe_fix_stack_asms): Use base_reg_class.
1006 * regclass.c: Include "addresses.h".
1007 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1008 (init_reg_autoinc): Use new base_reg_class function.
1009 (record_reg_classes): Likewise.
1010 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1011 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1012 Use new args to compute necessary class.
1014 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1015 regrename.o, rtl-factoring.o): Update dependencies.
1016 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1017 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1018 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1019 REG_OK_FOR_INDEX_P): Delete documentation.
1021 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1023 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1024 from V7 to V9 for Solaris 7 and above.
1026 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1028 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1029 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1030 argument pointers may not alias any other storage.
1031 * common.opt: Define option -fargument-noalias-anything.
1032 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1033 alias semantics is specified by flag_argument_noalias > 2.
1035 2006-03-20 Jeff Law <law@redhat.com>
1037 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1038 (pass_phi_only_cprop): Declare.
1039 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1041 * tree-ssa-dom.c (degenerate_phi_result): New function.
1042 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1043 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1044 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1045 (eliminate_degenerate_phis): Likewise.
1046 (pass_phi_only_cprop): New pass descriptor.
1047 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1048 support code. Callers updated.
1049 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1050 (store_copy_prop): Likewise.
1051 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1053 2006-03-20 Jason Merrill <jason@redhat.com>
1056 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1057 (push_visibility, pop_visibility): Likewise.
1058 * c-pragma.h: Declare them.
1060 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1062 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1064 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1065 parameter and use get_ebb_head_tail.
1066 (sh_md_init_global): Adjust uses of find_regmode_weight.
1068 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1070 * function.h (struct function) <x_tail_recursion_reentry>:
1071 Rename to x_stack_check_probe_note.
1072 (tail_recursion_reentry): Rename to stack_check_probe_note.
1073 * function.c: Replace tail_recursion_reentry with
1074 stack_check_probe_note everywhere.
1075 (expand_function_start): Only emit a note for
1076 stack_check_probe_note with -fstack-protect.
1077 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1079 * emit-rtl.c (remove_unnecessary_notes): Remove.
1080 (pass_remove_unnecessary_notes): Remove.
1081 * rtl.h (remove_unnecessary_notes): Remove prototype.
1082 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1083 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1084 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1086 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1089 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1090 (valid_in_set): Handle ARRAY_REF.
1091 Change "if min_variant or VH" to asserts.
1092 (create_component_ref_by_pieces): Handle ARRAY_REF.
1093 (create_expression_by_pieces): Likewise.
1094 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1096 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1098 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1099 is operand of switch, not str[0].
1101 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1103 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1104 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1106 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1108 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1109 end of insn_extra_address_constraint declaration.
1111 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1113 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1114 (no-sum-in-toc): Same.
1115 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1117 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1118 NO_FP_IN_TOC for -fPIC instead of mask.
1120 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1121 (BOOT_LDFLAGS): Delete.
1123 * config/rs6000/t-aix52: Same.
1125 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1126 (stmsi[345678]_power): New.
1128 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1130 * config/ia64/ia64.opt: Add empty line to end of file.
1132 2006-03-17 Richard Guenther <rguenther@suse.de>
1135 * builtins.c (get_pointer_alignment): For component style references
1136 adjust alignment to the component type alignment. Make sure
1137 to adjust alignment for component access of constants.
1139 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1141 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1144 2006-03-17 Paul Brook <paul@codesourcery.com>
1146 * doc/install.texi: Docuemnt --with-mode.
1147 * config.gcc: Add --with-mode for arm*-*-*.
1148 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1150 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1152 * sh.c (max_labelno_before_reorg): New variable.
1153 (sh_reorg): Initialize it.
1154 (find_barrier): Check max_labelno_before_reorg before using
1155 label_to_alignment. Take length of explicit alignment insns
1156 into account. When seeing a UNSPECV_CONST_END, return it.
1158 * sh.c (fixup_mova): Set mode of affected label to QImode.
1159 (untangle_mova): New function.
1160 (find_barrier): Use it. Check mode of label before decrementing
1162 (sh_reorg): Likewise.
1163 Set mode of all insns back to VOIDmode.
1165 * sh.c (MOVA_LABELREF): New macro.
1166 (mova_p, fixup_mova, sh_reorg): Use it.
1167 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1168 ADDR_DIFF_VEC matches mova.
1170 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1172 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1173 with ATTRIBUTE_UNUSED.
1175 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1177 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1178 pointer, instead of assuming it is possible to derive the
1179 correct args size from a call insn.
1181 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1183 * rtl.h (CONST_INT_P): Define.
1184 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1185 instead of GET_CODE(x) == CONST_INT.
1186 (vax_rtx_costs): Likewise.
1187 (vax_output_int_move): Likewise.
1188 (vax_output_int_add): Likewise.
1189 (legitimate_constant_address_p): Likewise.
1190 (index_term_p): Likewise.
1191 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1192 * config/vax/vax.md (and<mode>3): Likewise.
1193 (ashrsi3): Likewise.
1195 (movstricthi): Likewise.
1196 (movstrictqi): Likewise.
1197 (rotrsi3): Likewise.
1198 (five unnamed insns): Likewise.
1200 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1202 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1203 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1204 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1205 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1206 Pass to ASM_OUTPUT_DWARF_OFFSET.
1207 * dwarf2out.c (debug_frame_section): New.
1208 (output_call_frame_info): Use debug_frame_section. Pass it to
1209 dw2_asm_output_offset.
1210 (output_die): Pass appropriate section to dw2_asm_output_offset.
1211 (output_compilation_unit_header): Likewise.
1212 (output_pubnames): Likewise.
1213 (output_aranges): Likewise.
1214 (enum dw_val_class): Break dw_val_class_lbl_offset into
1215 dw_val_class_lineptr and dw_val_class_macptr.
1216 (add_AT_lbl_offset): Delete.
1217 (add_AT_lineptr): New.
1218 (add_AT_macptr): New.
1219 (AT_lbl): Expect a lineptr or macptr.
1220 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1221 (attr_checksum): Likewise.
1222 (same_dw_val_p): Likewise.
1223 (size_of_die): Likewise.
1224 (value_format): Likewise.
1225 (output_die): Likewise.
1226 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1228 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1229 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1230 * config/darwin-protos.h (darwin_file_start): New.
1231 (darwin_asm_output_dwarf_offset): New.
1232 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1233 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1235 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1236 if not EH section; simplify.
1237 (darwin_file_start): New.
1238 (darwin_asm_output_dwarf_offset): New.
1239 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1241 (DEBUG_INFO_SECTION): Likewise.
1242 (DEBUG_ABBREV_SECTION): Likewise.
1243 (DEBUG_ARANGES_SECTION): Likewise.
1244 (DEBUG_MACINFO_SECTION): Likewise.
1245 (DEBUG_LINE_SECTION): Likewise.
1246 (DEBUG_LOC_SECTION): Likewise.
1247 (DEBUG_PUBNAMES_SECTION): Likewise.
1248 (DEBUG_STR_SECTION): Likewise.
1249 (DEBUG_RANGES_SECTION): Likewise.
1250 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1251 (ASM_OUTPUT_DWARF_OFFSET): New.
1253 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1255 * config.gcc (tm_defines): Always add to previous value rather
1258 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1260 * config/mips/predicates.md (splittable_const_int_operand): New,
1261 split from move_operand.
1262 (splittable_symbolic_operand): New.
1263 (move_operand): Add commentary. Use splittable_const_int_operand.
1264 Inline mips_atomic_symbolic_constant_p.
1265 * config/mips/mips.md: Add combine splitters for handling moves
1266 of splittable_const_int_operands and splittable_symbolic_operands.
1267 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1268 (mips_split_symbol): Declare.
1269 (mips_move_integer): Declare.
1270 * config/mips/mips.c (mips_split_p): Make global.
1271 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1272 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1273 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1274 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1275 (mips_offset_within_object_p): Handle block symbols.
1276 (mips_atomic_symbolic_constant_p): Delete.
1277 (mips_cannot_force_const_mem): Return false for constants that
1278 mips_legitimize_move can handle.
1279 (mips_use_blocks_for_constant_p): New function.
1280 (mips_split_symbol): Make global.
1281 (mips_move_integer): Likewise. Add a temporary register argument.
1282 (mips_legitimize_const_move): Use splittable_const_int_operand and
1283 splittable_symbolic_operand.
1284 (mips_use_anchors_for_symbol_p): New function.
1285 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1286 (mips_split_p): Declare.
1288 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1290 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1291 (mips*-*-linux*): Likewise.
1293 2006-03-16 Roger Sayle <roger@eyesopen.com>
1294 Daniel Speyer <dspeyer@wam.umd.edu>
1297 * tree-dump.c (dump_real): New function.
1298 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1299 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1300 (tree-dump.o): Add $(REAL_H) to the dependencies.
1302 2006-03-16 Roger Sayle <roger@eyesopen.com>
1305 * real.c (real_from_string): If the mantissa is zero, don't bother
1306 parsing the exponent as the result should always be zero.
1308 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1310 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1312 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1314 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1315 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1316 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1317 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1318 ia64_sched_finish_global): New static functions to implement
1319 hooks from gcc_target.sched.
1320 (spec_check_no, max_uid, pending_data_specs): New static variables.
1321 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1322 ia64_spec_check_src_p): New static functions.
1323 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1324 (TARGET_SCHED_ADJUST_COST): Removed.
1325 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1326 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1327 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1328 TARGET_SCHED_GEN_CHECK,
1329 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1330 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1331 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1332 Fixed to handle speculation checks.
1333 (rtx_needs_barrier): Fixed to handle speculative loads and
1335 (ia64_variable_issue): Added code to count speculative loads and their
1337 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1339 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1341 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1343 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1344 (ia64_reorg): Reset stops_p to NULL after it is freed.
1345 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1346 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1347 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1349 (data_speculative, control_speculative, check_load): New attributes.
1350 (mov<mode>_advanced, mov<mode>_speculative,
1351 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1352 zero_extend<mode>di2_speculative,
1353 zero_extend<mode>di2_speculative_advanced): New patterns for
1354 data and control speculative loads.
1355 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1357 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1358 New pattern for data and control speculation checks.
1359 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1360 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1361 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1362 Auxiliary definitions for the patterns.
1363 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1364 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1366 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1368 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1369 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1370 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1371 New resource constraints.
1372 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1374 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1375 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1376 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1377 msched-in-control-spec, msched-ldc, msched-control-ldc,
1378 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1379 msched-prefer-non-control-spec-insns,
1380 msched-count-spec-in-critical-path): New flags to tune speculative
1382 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1383 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1384 msched-in-control-spec, msched-ldc, msched-control-ldc,
1385 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1386 msched-prefer-non-control-spec-insns,
1387 msched-count-spec-in-critical-path): Document new flags.
1389 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1391 * target.h (struct spec_info_def): New opaque declaration.
1392 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1393 speculate_insn, needs_block_p, gen_check,
1394 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1395 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1396 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1397 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1398 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1399 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1401 (TARGET_SCHED): Use new macros.
1402 * rtl.h (copy_DEPS_LIST_list): New prototype.
1403 * sched-int.h (struct sched_info): Change signature of new_ready field,
1404 adjust all initializations. New fields: add_remove_insn,
1405 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1406 region_head_or_leaf_p.
1407 (struct spec_info_def): New structure declaration.
1408 (spec_info_t): New typedef.
1409 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1410 recovery_block, orig_pat.
1411 (glat_start, glat_end): New variables declaraions.
1412 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1414 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1415 DETACH_LIFE_INFO, USE_GLAT.
1416 (enum SPEC_SCHED_FLAGS): New enumeration.
1417 (NOTE_NOTE_BB_P): New macro.
1418 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1419 attach_life_info, debug_spec_status, check_reg_live): New functions.
1420 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1421 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1423 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1424 * ddg.c (get_block_head_tail): Adjust all uses.
1425 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1426 (sms_sched_info): Initialize new fields.
1427 (contributes_to_priority): Removed.
1428 * haifa-sched.c (params.h): New include.
1429 (get_block_head_tail): Adjust all uses.
1430 (ISSUE_POINTS): New macro.
1431 (glat_start, glat_end): New global variables.
1432 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1433 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1434 old_last_basic_block, before_recovery, current_sched_info_var,
1435 rgn_n_insns, luid): New static variables.
1436 (insn_cost1): New function. Move logic from insn_cost to here.
1437 (find_insn_reg_weight1): New function. Move logic from
1438 find_insn_reg_weight to here.
1439 (reemit_notes, move_insn, max_issue): Change signature.
1440 (move_insn1): Removed.
1441 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1442 extend_bb): New static functions to support extension of scheduler's
1444 (generate_recovery_code, process_insn_depend_be_in_spec,
1445 begin_speculative_block, add_to_speculative_block,
1446 init_before_recovery, create_recovery_block, create_check_block_twin,
1447 fix_recovery_deps): New static functions to support
1448 generation of recovery code.
1449 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1450 restore_bb_notes, move_block_after_check, move_succs): New static
1451 functions to support ebb scheduling.
1452 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1453 functions to support handling of register live information.
1454 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1455 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1456 add_jump_dependencies): New static functions.
1457 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1458 consistancy checking.
1459 (debug_spec_status): New function to call from debugger.
1460 (priority): Added code to handle speculation checks.
1461 (rank_for_schedule): Added code to distinguish speculative instructions.
1462 (schedule_insn): Added code to handle speculation checks.
1463 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1464 Fixed to handle ebbs.
1465 (move_insn): Added code to handle ebb scheduling.
1466 (max_issue): Added code to use ISSUE_POINTS of instructions.
1467 (choose_ready): Added code to choose between speculative and
1468 non-speculative instructions.
1469 (schedule_block): Added code to handle ebb scheduling and scheduling of
1470 speculative instructions.
1471 (sched_init): Initialize new variables.
1472 (sched_finish): Free new variables. Print statistics.
1473 (try_ready): Added code to handle speculative instructions.
1474 * lists.c (copy_DEPS_LIST_list): New function.
1475 * sched-deps.c (extend_dependency_caches): New function. Move logic
1476 from create_dependency_caches to here.
1477 (get_dep_weak, ds_merge): Make global.
1478 * genattr.c (main): Code to output prototype for
1479 dfa_clear_single_insn_cache.
1480 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1481 (output_dfa_clean_insn_cache_func): Code to output
1482 dfa_clear_single_insn_cache function.
1483 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1485 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1487 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1488 New static variables.
1489 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1490 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1492 (ebb_sched_info): Initialize new fields.
1493 (get_block_head_tail): Adjust all uses.
1494 (compute_jump_reg_dependencies): Fixed to use glat_start.
1495 (schedule_ebb): Code to remove unreachable last block.
1496 (schedule_ebbs): Added code to update register live information.
1497 * sched-rgn.c (region_sched_info): Initialize new fields.
1498 (get_block_head_tail): Adjust all uses.
1499 (last_was_jump): Removed. Adjust users.
1500 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1501 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1502 Implement new hooks.
1503 (check_dead_notes1): New static function.
1504 (struct region): New fields: dont_calc_deps, has_real_ebb.
1505 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1506 (BB_TO_BLOCK): Fixed to handle EBBs.
1507 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1508 (ebb_head): New static variable.
1509 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1510 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1512 (compute_dom_prob_ps): New assertion.
1513 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1514 global_live_at_start.
1515 (init_ready_list): New assertions.
1516 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1517 (new_ready): Add support for BEGIN_CONTROL speculation.
1518 (schedule_insns): Fixed code that updates register live information
1520 (schedule_region): Fixed to handle EBBs.
1521 (init_regions): Use extend_regions and check_dead_notes1.
1522 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1523 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1524 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1525 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1526 TARGET_SCHED_GEN_CHECK,
1527 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1528 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1529 * doc/invoke.texi (max-sched-insn-conflict-delay,
1530 sched-spec-prob-cutoff): Document.
1532 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1534 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
1535 inter_tick, queue_index.
1536 (struct sched_info): Change signature of init_ready_list field.
1537 Adjust all initializations.
1538 (RESOLVED_DEPS): New access macro.
1539 (ready_add): Remove prototype.
1540 (try_ready): Add prototype.
1541 * sched-rgn.c (init_ready_list): Use try_ready.
1542 (schedule_region): Initialize
1543 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
1544 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
1545 (init_ready_list): Use try_ready.
1546 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
1547 * lists.c (remove_list_elem): Remove `static'.
1548 (remove_free_INSN_LIST_elem): New function.
1549 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
1550 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
1551 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
1553 (readyp): New variable.
1554 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
1555 change_queue_index, resolve_dep): New static functions.
1556 (try_ready): New function. Adjust callers in sched-rgn.c and
1557 sched-ebb.c to use it instead of ready_add.
1558 (clock_var): Move at the begining of file.
1559 (rank_for_schedule): Fix typo.
1560 (queue_insn): Add assertion. Handle QUEUE_INDEX.
1561 (ready_lastpos): Enforce assertion.
1562 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
1564 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
1565 (schedule_insn): Rewrite to use try_ready and resolve_dep.
1566 (queue_to_ready): Use free_INSN_LIST_list.
1567 (early_queue_to_ready): Fix typo.
1568 (schedule_block): Init readyp. Move init_ready_list call after the
1569 initialization of clock_var. Fix error in rejecting insn by
1570 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
1571 that previously corrected INSN_TICKs. Add code for handling
1573 (set_priorities): Fix typo.
1574 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
1575 Clarify comment and code that keeps current_sched_info->next_tail
1578 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1580 * sched-rgn.c (extend_rgns): New static function.
1581 (find_rgns): Use it.
1582 (gather_region_statistics, print_region_statistics): New static
1584 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
1585 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1587 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1588 Andrey Belevantsev <abel@ispras.ru>
1590 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
1591 * lists.c (unused_deps_list): New variable.
1592 (free_list): Add assertions to verify the proper distinguishing
1593 between INSN_LISTs and DEPS_LISTs.
1594 (find_list_elem, remove_list_elem, remove_list_node): New static
1596 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
1597 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
1598 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
1599 (alloc_INSN_LIST): Assert that the list we're working on is indeed
1601 (free_INSN_LIST_node): Likewise.
1602 * modulo-sched.c (current_sched_info): Initialize flags field.
1603 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
1604 * rtl.def (DEPS_LIST): Define.
1605 * rtl.h: Declare new functions from lists.c.
1606 * sched-deps.c (spec_dependency_cache): New static variable.
1607 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
1608 (add_dependence): Change return type to void. Move the logic to ...
1609 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
1610 (delete_all_dependences): Add comment about forward_dependency_cache.
1611 Handle spec_dependency_cache. Handle DEPS_LISTs.
1612 (fixup_sched_groups): Clarify the change of priority of output
1613 and anti dependencies.
1614 (sched_analyze_2): Adjust add_dependence calls to create data
1615 speculative dependence.
1616 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
1617 Adjust all callers. Handle DEPS_LISTS.
1618 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
1619 presence of speculation.
1620 (init_dependency_caches, free_dependency_caches):
1621 Handle spec_dependency_cache.
1622 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
1623 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
1624 New static functions.
1625 (add_or_update_back_dep, add_or_update_back_forw_dep,
1626 add_back_forw_dep, delete_back_forw_dep): New functions.
1627 * sched-int.h (ds_t, dw_t): New typedefs.
1628 (struct sched_info): Add new field flags.
1629 (struct haifa_insn_data): Add new bitfield has_internal_dep.
1630 Prototype new sched-deps.c functions.
1631 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
1632 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
1633 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
1634 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
1635 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
1636 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
1638 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
1640 * sched-rgn.c (current_sched_info): Initialize flags field.
1641 (schedule_insns): Initialize current_sched_info before the sched_init
1643 * sched-ebb.c (current_sched_info): Initialize flags field.
1644 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
1645 Call add_or_update_back_dep instead of add_dependence.
1646 Create control speculative dependencies.
1647 (schedule_insns): Initialize current_sched_info before the sched_init
1650 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
1652 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
1654 (sh_fallback_frame_state): Likewise.
1656 2006-03-15 Geoffrey Keating <geoffk@apple.com>
1658 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
1659 Do switch on default_use_cxa_atexit.
1660 (powerpc*-*-darwin*): Build crt2.o on powerpc.
1661 * config/darwin-crt3.o: New.
1662 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
1663 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
1664 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
1666 * config/rs6000/t-darwin: Move crt2.o building to here.
1667 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
1668 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
1671 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1673 * config/vax/vax.c (nonindexed_address_p): Change logical negation
1674 from '! xxx' to '!xxx' for coding-style conformance.
1675 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
1676 (EXTRA_CONSTRAINT): Likewise.
1677 * config/vax/vax.md (four unnamed insns): Likewise.
1679 2006-03-15 Paul Brook <paul@codesourcery.com>
1681 * config/arm/arm.c (minipool_pad): New.
1682 (add_minipool_forward_ref): Include pool alignment padding in address
1684 (push_minipool_fix): Set minipool_pad.
1685 (minipool_pad): Ditto.
1687 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1689 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
1690 instead of GET_CODE() == MEM and REG_P() instead of
1692 (print_operand_address): Likewise.
1693 (vax_address_cost): Likewise.
1694 (vax_rtx_costs): Likewise.
1695 (vax_notice_update_cc): Likewise.
1696 (vax_output_int_add): Likewise.
1697 (INDEX_REGISTER_P): Likewise.
1698 (BASE_REGISTER_P): Likewise.
1699 (nonindexed_address_p): Likewise.
1700 (vax_mode_dependent_address_p): Likewise.
1701 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
1702 (PRINT_OPERAND): Likewise.
1703 * config/vax/vax.md (ashlsi3): Likewise.
1704 (ashlsi3): Likewise.
1705 (some more unnamed insns): Likewise.
1707 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
1709 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
1710 iterator-style macro.
1711 (mark_control_dependent_edges_necessary): Update the use of
1712 EXECUTE_IF_CONTROL_DEPENDENT.
1714 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
1716 * config/sh/predicates.md (cache_address_operand): Special.
1717 (ua_address_operand): Likewise.
1719 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
1721 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
1723 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
1725 2006-03-15 Andreas Schwab <schwab@suse.de>
1727 * gensupport.c (identify_predicable_attribute): Don't free p_false
1728 when it is still in use.
1730 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1732 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
1733 the default setting here.
1735 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
1737 * tree-pass.h (pass_cfg): Remove.
1738 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
1739 * passes.c (pass_cfg): Don't run it.
1741 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
1743 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
1744 * reg-stack.c (stack_regs_mentioned_data): Change the type to
1746 (stack_regs_mentioned): Update the uses of
1747 stack_regs_mentioned_data. Don't access the array beyond its
1749 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
1750 Don't include gt-reg-stack.h.
1752 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
1753 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
1755 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
1758 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
1761 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1763 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
1765 2006-03-14 Richard Guenther <rguenther@suse.de>
1767 PR tree-optimization/26672
1768 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
1771 2006-03-14 Richard Guenther <rguenther@suse.de>
1773 PR tree-optimization/26667
1774 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
1775 node for the callees. Always allow inlining if it will shrink
1778 2006-03-14 Richard Guenther <rguenther@suse.de>
1781 * builtins.c (get_pointer_alignment): Prefer alignment
1782 information from decls over that from types.
1784 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
1787 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
1789 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
1791 * config/rs6000/rs6000.opt (mdlmzb): New option.
1792 (msched-prolog, msched-epilog): Use Var not Mask.
1793 * doc/invoke.texi (-mdlmzb): Document.
1794 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1796 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
1797 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
1799 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
1801 PR rtl-optimization/25739
1802 * bt-load.c (augment_live_range): Free tos pointer.
1804 * gensupport.c (identify_predicable_attribute): Free
1806 * gcov.c (create_file_names): Free name pointer.
1808 2006-03-13 Roger Sayle <roger@eyesopen.com>
1811 * stmt.c (emit_case_nodes): Handle the case where the index is a
1812 CONST_INT, where the comparison mode is specified by the index type.
1814 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1816 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
1819 2006-03-13 Richard Sandiford <richard@codesourcery.com>
1821 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
1822 (*branch_fp_inverted): Likewise.
1824 2006-03-13 Jakub Jelinek <jakub@redhat.com>
1827 * omp-low.c (expand_omp_for_generic): Mark istart0
1828 and iend0 as addressable.
1830 2006-03-13 Jie Zhang <jie.zhang@analog.com>
1832 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
1834 2006-03-13 Jeff Law <law@redhat.com>
1836 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
1837 virtual operands are interesting.
1838 (vrp_visit_stmt): Corresponding changes.
1840 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
1842 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
1844 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
1845 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
1846 * config/bfin/crti.S: Use it instead of __PIC__.
1847 * config/bfin/crtn.S: Likewise.
1849 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
1850 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
1852 Lose 'G' modifier for call operand.
1853 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
1854 recognize 'G' modifier.
1856 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
1859 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
1860 * stmt.c (expand_case): Likewise.
1862 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1864 PR rtl-optimization/26254
1865 * loop-invariant.c (seq_insns_valid_p): New function.
1866 (move_invariant_reg): Only emit new code if it is valid.
1868 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1870 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
1872 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
1873 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
1874 (commit_one_edge_insertion): Do not look for loop notes.
1876 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1878 * jump.c (follow_jumps): Do not check for loop notes. Move check for
1879 flag_test_coverage out of loop.
1881 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1883 * final.c (shorten_branches): Remove outdated comment, and turn
1884 the if branch that guards it to continue.
1886 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1888 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
1889 * cfgloop.h (struct loop): Remove unused fields.
1891 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
1893 * doc/invoke.texi (-fdump-rtl-loop): Remove.
1894 (-dL, -fdump-rtl-loop2): Update the dump file names
1896 * doc/invoke.texi: Update dump file names.
1898 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
1900 * predict.c (estimate_probability): Remove.
1901 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
1902 * basic-block.h (estimate_probability): Remove prototype.
1903 * passes.c (finish_optimization_passes): Dump branch prediction or
1904 profiling heuristics to the .profile tree dump.
1905 (init_optimization_passes): Unqueue pass_branch_prob.
1907 * doc/invoke.texi (-fdump-rtl-bp): Remove.
1909 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1911 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
1912 * rtl.h (LABEL_NEXTREF): Remove field accessor.
1914 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
1916 * function.h (frame_offset_overflow): Declare.
1917 * function.c (frame_offset_overflow): New function.
1918 (assign_stack_local_1): Call it to detect that the offset overflows.
1919 * cfgexpand.c (alloc_stack_frame_space): Likewise.
1921 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1923 * config/sh/sh.c: Include alloc-pool.h.
1924 (label_ref_list_pool): New alloc pool.
1925 (label_ref_list_t): New type for lists of labels.
1926 (struct pool_node): Make wend a label_ref_list_t.
1927 (add_constant): Use the new type, eradicate LABEL_NEXTREF
1929 (dump_table): Likewise.
1930 (sh_reorg): Set up the alloc pool before using add_constant and
1931 dump_table, and destroy it when finishing.
1933 2006-03-11 Richard Sandiford <richard@codesourcery.com>
1935 * config/mips/mips.c: Remove redundant comment.
1937 2006-03-10 Jason Merrill <jason@redhat.com>
1940 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
1941 the target was declared 'register'.
1943 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
1945 * genpreds.c (write_insn_constraint_len): Change definition of
1946 insn_constraint_len to return size_t to match the declaration.
1948 2006-03-10 DJ Delorie <dj@redhat.com>
1950 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
1952 (m32c_expand_insv): Fix test for an AND mask.
1954 2006-03-10 Richard Guenther <rguenther@suse.de>
1957 * builtins.c (get_pointer_alignment): Handle component
1958 references for field alignment.
1960 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1962 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
1963 when building with libgloss.
1964 (sh*elf): Implement --without-fp option.
1965 (sh64-superh-linux*): Don't multilib.
1967 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1969 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
1971 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
1973 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
1974 Set it when one of the replacement functions returned true.
1975 Return TODO_cleanup_cfg if cfgchanged is true.
1976 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
1978 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
1980 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
1981 instead of gen_lowpart.
1983 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1985 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
1987 (mips_output_order_conditional_branch): Declare.
1988 * config/mips/mips.h (MIPS_BRANCH): New macro.
1989 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
1990 for the comparison. Use gen_condjump.
1991 (mips_output_conditional_branch): Rework interface to take the
1992 asm templates for a direct branch and the inverse of a direct branch.
1993 (mips_output_order_conditional_branch): New function.
1994 (mips_builtin_branch_and_move): New function.
1995 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
1996 branch condition. Use gen_single_cc as the condition for
1997 __builtin_mips_upper_* or __builtin_mips_lower_*.
1998 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
1999 Use VOIDmode for the branch condition.
2000 * config/mips/predicates.md (order_operator): New predicate.
2001 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2002 (branch_fp): Rename to...
2003 (*branch_fp): ...this. Remove mode from comparison operator.
2004 Use new mips_output_conditional_branch interface.
2005 (branch_fp_inverted): Rename to...
2006 (*branch_fp_inverted): ...this and update as for *branch_fp.
2007 (*branch_zero<mode>): Rename to...
2008 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2009 Use mips_output_order_conditional_branch. Only accept ordered
2011 (*branch_zero<mode>_inverted): Rename to...
2012 (*branch_order<mode>_inverted): ...this and update as for
2013 *branch_order<mode>.
2014 (*branch_equality<mode>): Accept zero as the second operand to
2015 the equality operator. Use the new mips_output_conditional_branch
2017 (*branch_equality<mode>_inverted): Likewise.
2018 (condjump): New expander.
2019 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2021 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2022 (bc1any2t, bc1any2f): Likewise.
2023 (single_cc): New expander.
2024 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2026 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2028 * doc/md.texi: Update documentation of MIPS constraints.
2029 * config/mips/constraints.md: New file.
2030 * config/mips/mips.md: Include it.
2031 * config/mips/mips.c (mips_char_to_class): Delete.
2032 (override_options): Don't initialize mips_char_to_class.
2033 * config/mips/mips.h (mips_char_to_class): Delete.
2034 (REG_CLASS_FROM_LETTER): Delete.
2035 (CONST_OK_FOR_LETTER_P): Delete.
2036 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2037 (EXTRA_CONSTRAINT_Y): Delete.
2038 (EXTRA_CONSTRAINT_STR): Delete.
2039 (CONSTRAINT_LEN): Delete.
2040 (EXTRA_MEMORY_CONSTRAINT): Delete.
2042 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2044 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2045 original fn's eh regions.
2047 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2049 * fold-const.c (build_range_check): Make sure to use a valid type to
2050 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2053 (range_predecessor): New static function.
2054 (range_successor): Likewise.
2055 (merge_ranges): Use them to compute predecessors and successors of
2058 2006-03-09 Roger Sayle <roger@eyesopen.com>
2061 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2062 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2064 2006-03-08 DJ Delorie <dj@redhat.com>
2066 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2067 (addpsi3): Expand to include memory operands. Remove
2068 reload-specific splits.
2069 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2070 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2071 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2072 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2073 (shift1_qi, shift1_hi, insv): New.
2074 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2075 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2076 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2078 * config/m32c/m32c-protos.h: Update as needed.
2079 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2080 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2081 Fail for unrecognized R* constraints.
2082 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2083 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2084 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2086 (m32c_init_libfuncs): New.
2087 (m32c_legitimate_address_p): Add debug wrapper.
2088 (m32c_rtx_costs): New.
2089 (m32c_address_cost): New.
2090 (conversions): Add 'B' prefix.
2091 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2092 operands, or word regnames for QI operands. 'B' prints bit
2094 (m32c_expand_setmemhi): New.
2095 (m32c_expand_movmemhi): New.
2096 (m32c_expand_movstr): New.
2097 (m32c_expand_cmpstr): New.
2098 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2099 (m32c_expand_neg_mulpsi3): Handle non-ints.
2100 (m32c_cmp_flg_0): New.
2101 (m32c_expand_movcc): New.
2102 (m32c_expand_insv): New.
2103 (m32c_scc_pattern): New.
2104 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2105 a0/a1 out of SIregs.
2106 (STORE_FLAG_VALUE): New.
2107 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2110 * config/m32c/mov.md: Make constraints more liberal.
2111 (zero_extendqihi2): Optimize r0/r1 case.
2112 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2113 * config/m32c/predicates.md (m32c_any_operand): New.
2114 (m32c_nonimmediate_operand): New.
2115 (m32c_hl_operand): New.
2116 (m32c_r3_operand): New.
2119 (memsym_operand): New.
2120 (memimmed_operand): New.
2121 (a_qi_operand): New.
2122 (m32c_eqne_operator): New.
2123 (m32c_1bit8_operand): New.
2124 (m32c_1bit16_operand): New.
2125 (m32c_1mask8_operand): New.
2126 (m32c_1mask16_operand): New.
2127 * config/m32c/blkmov.md: New file.
2128 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2130 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2132 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2133 unsigned to fix signed/unsigned comparison issue in
2134 DWARF2_FRAME_REG_OUT.
2135 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2136 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2138 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2139 of ptr into the ENABLE_CHECKING section.
2141 2006-03-08 Jeff Law <law@redhat.com>
2143 * tree-vrp.c (infer_value_range): Only count pointer uses
2144 and dereferences if -fdelete-null-pointer-checks is enabled.
2146 * tree-vrp.c (find_assert_locations): Infer value ranges for
2147 single use pointers, but do not create ASSERT_EXPRs for them.
2148 When a non-null range is inferred for a pointer, backwards
2149 propagate that range to other equivalent pointers through the
2152 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2155 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2156 language hook targets.
2157 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2158 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2159 if language hook targets were missing.
2161 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2163 * tree-ssa-opfinalize.h: Removed.
2164 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2166 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2167 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2168 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2169 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2170 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2171 finalize_ssa_v_must_def_ops): New.
2173 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2175 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2178 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2180 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2182 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2183 addresses with offsets; reorganize.
2185 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2186 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2187 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2189 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2192 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2194 2006-03-08 Ben Elliston <bje@au.ibm.com>
2196 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2198 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2201 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2204 2006-03-07 Richard Guenther <rguenther@suse.de>
2206 PR tree-optimization/26587
2207 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2209 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2211 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2213 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2215 * hooks.c (hook_bool_mode_rtx_true): New function.
2216 * hooks.h (hook_bool_mode_rtx_true): Declare.
2217 * toplev.c (compile_file): Call output_shared_constant_pool.
2218 * varasm.c (shared_constant_pool): New variable.
2219 (assemble_start_function, assemble_end_function): Remove arguments
2220 from call to output_constant_pool.
2221 (create_constant_pool): New function, split out from...
2222 (init_varasm_status): ...here.
2223 (force_const_mem): Choose between the shared and per-function constant
2224 pools. Set current_function_uses_const_pool when reusing old entries
2225 as well as when creating new ones.
2226 (mark_constant): Ignore data argument.
2227 (mark_constants): Remove pool argument.
2228 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2229 to decide whether the function uses a constant pool.
2230 (output_constant_pool_contents): New function, split out from...
2231 (output_constant_pool): ...here.
2232 (output_shared_constant_pool): New function.
2233 (init_varasm_once): Initialize shared_constant_pool.
2234 * output.h (output_constant_pool): Delete.
2235 (output_shared_constant_pool): Declare.
2236 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2237 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2239 2006-03-06 Nick Clifton <nickc@redhat.com>
2241 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2242 flag_strength_reduce.
2244 2006-03-06 Ben Elliston <bje@au.ibm.com>
2246 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2247 x86_64-*-linux* configurations.
2249 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2250 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2252 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2254 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2256 * basic-block.h: Remove the extern for
2257 rediscover_loops_after_threading.
2259 * cfgloop.c (cancel_loop): Make it static.
2260 * cfgloop.h: Remove the prototype for cancel_loop.
2262 * flow.c (recompute_reg_usage): Make it static.
2263 * rtl.h: Remove the prototype for recompute_reg_usage.
2265 * function.c (use_return_register): Make it static.
2266 * function.h: Remove the prototype.
2268 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2270 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2272 * recog.h: Remove the prototype for
2273 validate_change_maybe_volatile.
2275 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2277 * rtlanal.c (replace_reg): Remove.
2278 * rtl.h: Remove the prototype for replace_reg.
2280 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2282 * regclass.c (reg_scan_update): Remove.
2283 (reg_scan_mark_refs): Remove the last argument.
2284 * rtl.h: Remove the prototype for reg_scan_update.
2286 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2288 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2289 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2290 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2291 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2292 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2293 loop-invariant.c, omp-low.c, opts.c, passes.c,
2294 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2295 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2296 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2297 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2298 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2299 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2301 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2303 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2304 * dwarf2out.h: Remove the prototype for
2305 dwarf2out_add_library_unit_info.
2307 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2309 * tree.c (add_var_to_bind_expr): Remove.
2310 * tree.h: Remove the prototype for add_var_to_bind_expr.
2312 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2314 * regclass.c (n_non_fixed_regs): Remove.
2315 (init_reg_sets_1, globalize_reg): Remove all uses of
2317 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2319 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2321 * rtlanal.c (insns_safe_to_move_p): Remove.
2322 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2324 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2326 * expmed.c (expand_mult_add): Remove.
2327 * expr.h: Remove the prototype for expand_mult_add.
2329 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2331 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2332 and REG_SAVED_VAL_EXP constants.
2333 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2334 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2335 Handle regs stored by value.
2336 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2337 (execute_cfa_program): Handle DW_CFA_val_offset,
2338 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2339 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2340 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2341 (uw_install_context_1): Handle target regs stored by value.
2343 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2345 * tree-sra.c (tree_sra): Return todoflags;
2346 (generate_one_element): Set TODO_update_smt_usage if needed.
2347 (pass_sra): Remove TODO_update_smt_usage.
2348 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2350 (tree_ssa_forward_propagate_single_use_vars): Return
2351 TODO_update_smt_usage if we need to update SMT usage.
2352 (pass_forwprop): Remove TODO_update_smt_usage.
2354 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2356 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2357 (correct_use_link): Remove reference to get_stmt_operands.
2358 (update_stmt_operands): Likewise.
2359 (get_modify_expr_operands): New function factored out of
2360 parse_ssa_operands and get_expr_operands.
2361 Try to create V_MUST_DEFs for LHS by default.
2362 (get_expr_operands) <case MODIFY_EXPR>: Call
2363 get_modify_expr_operands.
2364 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2365 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2366 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2367 get_modify_expr_operands.
2369 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2371 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2372 * tree-flow.h: Remove the prototype for
2373 referenced_var_lookup_if_exists.
2375 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2377 PR rtl-optimization/26345
2379 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2381 2006-03-03 Roger Sayle <roger@eyesopen.com>
2383 PR tree-optimization/26524
2384 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2385 fold_convert to create a constant of the appropriate type.
2387 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2389 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2390 SYMBOL_REF_IN_BLOCK_P.
2391 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2392 of SYMBOL_FLAG_IN_BLOCK.
2393 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2394 instead of SYMBOL_REF_IN_BLOCK_P.
2395 * explow.c (use_anchored_address): Likewise.
2396 * rtl.c (rtx_size): Likewise.
2397 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2398 instead of SYMBOL_FLAG_IN_BLOCK.
2399 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2400 SYMBOL_REF_IN_BLOCK_P.
2401 (assemble_variable): Likewise.
2402 (output_constant_def_contents): Likewise.
2403 (output_constant_pool): Likewise.
2404 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2405 instead of SYMBOL_FLAG_IN_BLOCK.
2406 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2407 SYMBOL_REF_IN_BLOCK_P.
2408 (SYMBOL_REF_BLOCK): Likewise.
2409 (SYMBOL_REF_OFFSET): Likewise.
2410 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2411 SYMBOL_REF_IN_BLOCK_P.
2412 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2413 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2414 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2415 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2417 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2419 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2421 2006-03-02 Roger Sayle <roger@eyesopen.com>
2423 * simplify-rtx.c (simplify_unary_operation): When simplifying
2424 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2425 that we perform the right shift in the appropriate mode, and
2426 then extend or truncate the result to requested mode.
2428 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2430 * gengtype.c (main): Handle double_int type.
2431 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2432 * double-int.c: New file.
2433 * double-int.h: New file.
2434 * system.h: Include doubleint.h.
2435 * Makefile.in (SYSTEM_H): Include double-int.h.
2436 (double-int.o): Add.
2438 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2441 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2444 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2446 * tree-vrp.c (remove_range_assertions): Do not update statements
2449 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2451 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2453 * gcse.c (rest_of_handle_gcse): Ditto.
2454 * except.c (gate_handle_eh): Ditto.
2455 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2456 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2458 2006-03-02 Eric Christopher <echristo@apple.com>
2460 * config/i386/i386.c (machopic_output_stub): Add indirection to
2463 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2467 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2469 Sun Niagara specific optimizations.
2470 * config.gcc: Recognize niagara as target.
2471 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2472 (TARGET_CPU_niagara): Define.
2473 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2474 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2475 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2476 (ASM_CPU_SPEC): Likewise.
2477 (PROCESSOR_NIAGARA): New enum entry.
2478 (REGISTER_MOVE_COST): Handle Niagara.
2479 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2480 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2481 (sparc_override_options): Recognize "niagara", set appropriate
2482 default MASK_* values for it, and align functions to 32-bytes
2483 by default just like ULTRASPARC/ULTRASPARC3.
2484 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2485 (sparc64_initialize_trampoline): Likewise.
2486 (sparc_use_sched_lookahead): Use zero for niagara.
2487 (sparc_issue_rate): Use one for niagara.
2488 * config/sparc/niagara.md: New file.
2489 * config/sparc/sparc.md: Include it.
2490 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2491 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2492 when default cpu is niagara.
2493 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2494 (ASM_CPU_SPEC): Likewise.
2495 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2496 when default cpu is niagara.
2497 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2498 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2499 just like v9/ultrasparc/ultrasparc3.
2500 * doc/invoke.texi: Add documentation for "niagara" and improve
2501 existing documentation for ultrasparc variants.
2503 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2505 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2507 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2509 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2510 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2511 and say that only one is needed.
2512 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2513 * target.h (have_switchable_bss_sections): New hook.
2514 * explow.c (use_anchored_address): Check that the symbol is in a block.
2515 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2516 (bss_noswitch_section): New variables.
2517 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2518 (get_noswitch_section): New function.
2519 (get_block_for_section): Allow SECT to be null.
2520 (unlikely_text_section_p): Use SECTION_STYLE.
2521 (bss_initializer_p): New function.
2522 (get_variable_section): Move earlier in file. Take a new argument,
2523 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2524 Return one of the new *_sections in such cases.
2525 (get_block_for_decl): New function, extracting some logic from
2526 use_blocks_for_decl_p.
2527 (change_symbol_section): Remove in favor of...
2528 (change_symbol_block): ...this new function.
2529 (use_blocks_for_decl_p): Remove checks now performed by
2531 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
2532 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
2533 (emit_local, emit_bss, emit_common): ...these new functions.
2534 Return true if the alignment was honored.
2535 (emit_tls_common): New function.
2536 (asm_emit_uninitialised): Delete.
2537 (assemble_variable_noswitch): New function, split out from...
2538 (assemble_variable): ...here. Don't make decisions about common
2539 variables here. Globalize all public decls that go into non-common
2540 sections. Check whether SYMBOL_REF_BLOCK is null.
2541 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
2542 (output_constant_pool): Likewise.
2543 (init_varasm_once): Initialize the new section variables.
2544 (have_global_bss_p): New function.
2545 (categorize_decl_for_section): Use bss_initializer_p.
2546 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
2547 (place_block_symbol): Assert that the symbol must be in a block.
2548 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
2549 (TARGET_INITIALIZER): Include it.
2550 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
2551 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
2552 (SECTION_MACH_DEP): Bump by two.
2553 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
2554 (unnamed_section): Mention SECTION_UNNAMED in comment.
2555 (named_section): Likewise SECTION_NAMED.
2556 (noswitch_section_callback): New type.
2557 (noswitch_section): New structure.
2558 (section): Add a noswitch_section alternative.
2559 (SECTION_STYLE): New macro.
2560 (tls_comm_section, comm_section, lcomm_section): Declare.
2561 (bss_noswitch_section, have_global_bss_p): Declare.
2562 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2563 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2565 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2566 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2569 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
2571 * gcc/tree-vrp.c (execute_vrp): Return value.
2572 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
2573 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
2574 * gcc/tree-complex.c (tree_lower_complex): Ditto.
2575 (tree_lower_complex_O0): Ditto.
2576 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
2577 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
2578 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
2579 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
2580 (execute_tail_calls): Ditto.
2581 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2582 * gcc/tree.h (init_function_for_compilation): Ditto.
2583 * gcc/ipa-cp.c (ipcp_driver): Ditto.
2584 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
2585 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
2586 * gcc/final.c (compute_alignments): Ditto.
2587 (rest_of_handle_final): Ditto.
2588 (rest_of_handle_shorten_branches): Ditto.
2589 (rest_of_clean_state): Ditto.
2590 * gcc/omp-low.c (execute_expand_omp): Ditto.
2591 (execute_lower_omp): Ditto.
2592 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
2593 * gcc/ipa-reference.c (static_execute): Ditto.
2594 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
2595 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
2596 (rest_of_handle_machine_reorg): Ditto.
2597 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
2598 * gcc/flow.c (recompute_reg_usage): Ditto.
2599 (rest_of_handle_remove_death_notes): Ditto.
2600 (rest_of_handle_life): Ditto.
2601 (rest_of_handle_flow2): Ditto.
2602 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
2603 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
2604 (do_ssa_store_ccp): Ditto.
2605 (execute_fold_all_builtins): Ditto.
2606 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
2607 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
2608 * gcc/ipa-pure-const.c (static_execute): Ditto.
2609 * gcc/cse.c (rest_of_handle_cse): Ditto.
2610 (rest_of_handle_cse2): Ditto.
2611 * gcc/web.c (rest_of_handle_web): Ditto.
2612 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
2613 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
2614 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2615 * gcc/tree-nrv.c (tree_nrv): Ditto.
2616 (execute_return_slot_opt): Ditto.
2617 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
2618 (create_structure_vars): Ditto.
2619 * gcc/loop-init.c (rtl_loop_init): Ditto.
2620 (rtl_loop_done): Ditto.
2621 (rtl_move_loop_invariants): Ditto.
2622 (rtl_unswitch): Ditto.
2623 (rtl_unroll_and_peel_loops): Ditto.
2624 (rtl_doloop): Ditto.
2625 * gcc/gimple-low.c (lower_function_body): Ditto.
2626 (mark_used_blocks): Ditto.
2627 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
2628 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
2629 (cgraph_early_inlining): Ditto.
2630 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
2631 * gcc/jump.c (cleanup_barriers): Ditto.
2632 (purge_line_number_notes): Ditto.
2633 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
2634 (rest_of_handle_if_after_reload): Ditto.
2635 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
2636 (tree_ssa_loop_im): Ditto.
2637 (tree_ssa_loop_unswitch): Ditto.
2638 (tree_vectorize): Ditto.
2639 (tree_linear_transform): Ditto.
2640 (tree_ssa_loop_ivcanon): Ditto.
2641 (tree_ssa_empty_loop): Ditto.
2642 (tree_ssa_loop_bounds): Ditto.
2643 (tree_complete_unroll): Ditto.
2644 (tree_ssa_loop_prefetch): Ditto.
2645 (tree_ssa_loop_ivopts): Ditto.
2646 (tree_ssa_loop_done): Ditto.
2647 * gcc/predict.c (tree_estimate_probability): Ditto.
2648 * gcc/recog.c (split_all_insns_noflow): Ditto.
2649 (rest_of_handle_peephole2): Ditto.
2650 (rest_of_handle_split_all_insns): Ditto.
2651 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
2652 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
2653 (rest_of_handle_stack_adjustments): Ditto.
2654 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
2655 * gcc/function.c (instantiate_virtual_regs): Ditto.
2656 (init_function_for_compilation): Ditto.
2657 (rest_of_handle_check_leaf_regs): Ditto.
2658 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
2659 (rest_of_handle_gcse): Ditto.
2660 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
2661 * gcc/alias.c (rest_of_handle_cfg): Ditto.
2662 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
2663 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
2664 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
2665 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
2666 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
2667 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
2668 * gcc/except.c (set_nothrow_function_flags): Ditto.
2669 (convert_to_eh_region_ranges): Ditto.
2670 (rest_of_handle_eh): Ditto.
2671 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
2672 (remove_unnecessary_notes): Ditto.
2673 * gcc/except.h (set_nothrow_function_flags): Ditto.
2674 (convert_to_eh_region_ranges): Ditto.
2675 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
2676 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
2677 * gcc/tree-ssa-pre.c (do_pre): Ditto.
2678 (execute_fre): Ditto.
2679 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
2680 (rest_of_handle_jump2): Ditto.
2681 * gcc/tree-sra.c (tree_sra): Ditto.
2682 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
2683 (execute_mudflap_function_decls): Ditto.
2684 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
2685 (do_store_copy_prop): Ditto.
2686 * gcc/ipa-prop.h (ipcp_driver): Ditto.
2687 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
2688 * gcc/tree-ssa-forwprop.c
2689 (tree_ssa_forward_propagate_single_use_vars): Ditto.
2690 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
2691 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
2692 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
2693 (execute_late_warn_uninitialized): Ditto.
2694 * gcc/rtl.h (cleanup_barriers): Ditto.
2695 (split_all_insns_noflow): Ditto.
2696 (purge_line_number_notes): Ditto.
2697 (unshare_all_rtl): Ditto.
2698 (remove_unnecessary_notes): Ditto.
2699 (recompute_reg_usage): Ditto.
2700 (variable_tracking_main): Ditto.
2701 * gcc/integrate.c (emit_initial_value_sets): Ditto.
2702 * gcc/integrate.h (emit_initial_value_sets): Ditto.
2703 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
2704 (execute_free_cfg_annotations): Ditto.
2705 (execute_fixup_cfg): Ditto.
2706 (execute_cleanup_cfg_pre_ipa): Ditto.
2707 (execute_cleanup_cfg_post_optimizing): Ditto.
2708 (execute_init_datastructures): Ditto.
2709 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
2710 * gcc/combine.c (rest_of_handle_combine): Ditto.
2711 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
2712 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
2713 (rest_of_handle_reorder_blocks): Ditto.
2714 (rest_of_handle_partition_blocks): Ditto.
2715 * gcc/var-tracking.c (variable_tracking_main): Ditto.
2716 * gcc/tree-profile.c (tree_profiling): Ditto.
2717 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
2718 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
2719 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
2720 (rest_of_handle_sched2): Ditto.
2721 * gcc/basic-block.h (free_bb_insn): Ditto.
2722 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
2723 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
2724 (remove_useless_stmts): Ditto.
2725 (split_critical_edges): Ditto.
2726 (execute_warn_function_return): Ditto.
2727 (execute_warn_function_noreturn): Ditto.
2728 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
2729 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
2730 * gcc/passes.c (execute_one_pass): Run additional
2731 todos returned by execute function.
2732 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
2735 2006-03-02 Richard Guenther <rguenther@suse.de>
2737 * tree-ssa-alias.c (find_used_portions): Consider taking
2738 the address as making the variable not write-only.
2740 2006-03-02 Nick Clifton <nickc@redhat.com>
2742 * config.gcc (default_use_cxa_atexit): Extend the description of
2743 this configure variable. Set its default value to "yes" for
2744 Linux, NetBSD and ELF targets on the assumption that they will
2745 use C libraries with the __cxa_atexit function.
2747 2006-03-02 Ben Elliston <bje@au.ibm.com>
2749 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
2750 parameter as unused to suppress a build warning.
2752 2006-03-02 Ben Elliston <bje@au.ibm.com>
2754 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
2757 2006-03-01 Roger Sayle <roger@eyesopen.com>
2760 * gthr-posix.h (__gthrw2): Define to take three parameters, the
2761 declared name, the weak reference name, and the typeof name.
2762 (__gthrw): Avoid expanding the declared name suffix.
2763 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
2765 2006-03-01 Jakub Jelinek <jakub@redhat.com>
2767 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
2769 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
2770 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
2771 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
2772 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
2773 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
2774 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
2775 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
2776 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
2777 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
2778 DW_DS_leading_separate, DW_DS_trailing_separate): New.
2779 (DW_END_default, DW_END_big, DW_END_little): New.
2780 (DW_END_lo_user, DW_END_hi_user): Define.
2781 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
2782 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
2783 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
2786 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2788 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
2790 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
2792 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
2794 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
2796 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
2797 to 'symbol_mem_tag'.
2799 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
2802 2006-03-01 Roger Sayle <roger@eyesopen.com>
2804 * builtins.c (fold_builtin_copysign): Delete unreachable code.
2806 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2809 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
2810 MACHO_DYNAMIC_NO_PIC_P.
2811 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
2813 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2816 * config/darwin-protos.h (darwin_asm_output_anchor):
2818 * config/darwin-sections.def (cstring_section):
2819 Add SECTION_MERGE to the flags.
2820 (literal4_section): Likewise.
2821 (literal8_section): Likewise.
2822 (objc_selector_refs_section): Likewise.
2823 (objc_cls_refs_section): Likewise.
2824 * config/darwin.c (darwin_asm_output_anchor): New
2826 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2828 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
2830 Fix PR tree-optimization/26443
2831 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
2832 to todo and PROP_tmt_usage to properties_destroyed.
2833 * tree-ssa-ccp.c (pass_ccp): Ditto.
2834 (pass_store_ccp): Ditto.
2835 * tree-ssa-dom.c (pass_dominator): Ditto.
2837 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2839 * tree-ssa-operands.c: Cleanup whitespace.
2840 (get_asm_expr_operands): Move before first invocation.
2841 (get_indirect_ref_operands): Likewise.
2842 (get_tmr_operands): Likewise.
2843 (get_call_expr_operands): Likewise.
2844 (append_def): Likewise.
2845 (append_use): Likewise.
2846 (append_v_may_def): Likewise.
2847 (append_v_must_def): Likewise.
2848 (add_call_clobber_ops): Likewise.
2849 (add_call_read_ops): Likewise.
2850 (add_stmt_operand): Likewise.
2851 (add_virtual_operand): Likewise.
2852 (build_ssa_operands): Likewise.
2854 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2859 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2860 with a call expr to ...
2861 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2863 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2865 * tree-vrp.c (extract_range_from_assert): Remove special
2866 handling for types with super-types.
2868 2006-03-01 Ben Elliston <bje@au.ibm.com>
2870 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
2871 and powerpc64-*-linux* configurations.
2872 * config/t-dfprules: New file.
2874 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
2875 Compile dfp-bit.c from the source directory using -DWIDTH and
2876 $DFP_CFLAGS to control the compilation of that file, rather than
2877 generating width-specific versions in the build directory.
2878 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
2879 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
2881 2006-02-28 Zack Weinberg <zackw@panix.com>
2883 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
2886 2006-02-28 Eric Christopher <echristo@apple.com>
2888 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
2889 Set up IN_LIBGCC definition of TARGET_64BIT.
2890 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
2892 2006-02-28 Roger Sayle <roger@eyesopen.com>
2895 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
2896 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
2897 cases via the construction of "expr != 0".
2899 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2901 * alias.c (alias_invariant, alias_invariant_size): Remove.
2902 (record_base_value): Remove.
2903 (memrefs_conflict_p): Don't look at alias_invariant.
2904 (end_alias_analysis): Don't free it.
2905 * alias.h (record_base_value): Remove prototype.
2907 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
2908 Adam Nemet <anemet@caviumnetworks.com>
2910 * rtl.h (truncated_to_mode): Declare it.
2911 (struct rtl_hooks): Add reg_truncated_to_mode hook.
2912 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
2913 (RTL_HOOKS_INITIALIZER): Include it.
2914 * rtlhooks.c (reg_truncated_to_mode_general): New function.
2915 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
2916 reg_truncated_to_mode.
2917 * rtlanal.c (truncated_to_mode): Define it.
2918 * simplify-rtx.c (simplify_unary_operation_1): Use it.
2920 2006-02-28 Jeff Law <law@redhat.com>
2922 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
2923 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
2924 the range allowed by TYPE_PRECISION.
2926 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
2928 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
2930 PR tree-optimization/26419
2931 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
2934 2006-02-27 Zack Weinberg <zackw@panix.com>
2936 * doc/md.texi: Fix typo in previous change.
2938 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
2942 2006-02-27 Zack Weinberg <zackw@panix.com>
2944 * rtl.def (define_constraint, define_register_constraint)
2945 (define_memory_constraint, define_address_constraint): New MD forms.
2946 * gensupport.c (process_rtx): Put define_constraint etc on the
2948 * genpreds.c (process_define_predicate): Adjust comment. Validate
2949 the name, and call validate_exp to validate the expression.
2950 (mark_mode_tests, write_extract_subexp): Can assume correct input.
2951 (write_predicate_expr): Likewise. NAME argument no longer necessary;
2952 all callers changed.
2953 (validate_exp, needs_variable, struct constraint_data)
2954 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
2955 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
2956 (const_dbl_constraints, constraint_max_namelen)
2957 (have_register_constraints, have_memory_constraints)
2958 (have_address_constraints, have_address_constraints)
2959 (have_extra_constraints, have_const_int_constraints)
2960 (have_const_dbl_constraints, mangle, add_constraint)
2961 (process_define_constraint, process_define_register_constraint)
2962 (write_enum_constraint_num, write_lookup_constraint)
2963 (write_insn_constraint_len, write_regclass_for_constraint)
2964 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
2965 (write_insn_extra_memory_constraint)
2966 (write_insn_extra_address_constraint)
2967 (write_satisfies_constraint_fns): New.
2968 (write_tm_preds_h): If we have new-style constraint definitions,
2969 prototype the functions generated from them, and define the
2970 old constraint interface (still used by generic code) in terms of
2972 (write_insn_preds_c): If we have new-style constraint definitions,
2973 generate all relevant functions from those definitions.
2974 (main): Handle define_constraint etc.
2975 * genoutput.c (struct constraint_data, indep_constraints)
2976 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
2977 (mdep_constraint_len): New data structures and functions, defined
2978 #ifdef USE_MD_CONSTRAINTS.
2979 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
2980 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
2981 use new logic to validate operand constraints against constraint
2983 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
2985 * defaults.h: If none of the old-style constraint macros are
2986 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
2987 old-style macros; and poison REG_CLASS_FROM_LETTER,
2988 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
2990 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
2991 * doc/md.texi: Document new constraint-definition mechanism and the
2992 C interface it provides. Remove references to old mechanism
2993 elsewhere in the document.
2994 (Machine Constraints): Use pathnames relative to gcc directory,
2995 i.e. config/ARCH/FILE. Change i386 section to refer to
2996 config/i386/predicates.md; update that section to match docstrings.
2997 * doc/tm.texi: Move all documentation of the old constraint-
2998 definition macros to their own section, clearly mark as obsolete.
3000 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3001 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3003 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3004 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3005 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3007 (splits and peepholes): Use satisfies_constraint_*.
3008 * config/i386/i386.c (memory_address_length)
3009 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3011 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3013 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3014 scalar operation to be put back into the loop.
3016 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3019 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3020 (extract_cie_info): Handle S flag in augmentation string.
3021 (execute_cfa_program): If context->signal_frame, execute also
3022 fs->pc == context->ra instructions.
3023 (uw_frame_state_for): If context->signal_frame, don't subtract one
3024 from context->ra to find FDE.
3025 (uw_update_context_1): Set context->signal_frame to
3027 (_Unwind_GetIPInfo): New function.
3028 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3029 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3031 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3032 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3033 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3034 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3035 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3036 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3037 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3038 x86_64_fallback_frame_state): Set fs->signal_frame.
3039 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3040 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3041 (frob_update_context): Likewise. Workaround missing S flag in
3042 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3043 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3044 Remove the psw_addr + 1 hack.
3046 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3048 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3049 with aggregates here.
3050 (find_func_aliases): Remove code for &<aggregate> from here.
3052 2006-02-26 Roger Sayle <roger@eyesopen.com>
3054 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3055 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3056 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3059 2006-02-26 Roger Sayle <roger@eyesopen.com>
3062 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3064 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3066 * opts.c (decode_options): Do not handle flag_strength_reduce.
3067 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3068 and OPT_fstrength_reduce.
3069 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3070 flag_prefetch_loop_arrays for being nonzero.
3071 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3073 (fprefetch-loop-arrays-rtl): Removed.
3074 (flag_prefetch_loop_arrays): Do not specify the value.
3076 * doc/passes.texi: Update documentation of loop optimizer
3078 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3079 -frerun-loop-opt): Remove.
3081 2006-02-26 Richard Guenther <rguenther@suse.de>
3083 PR tree-optimization/26421
3084 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3085 in function calls that are ADDR_EXPRs as using the whole structure.
3087 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3089 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3090 * tree-pass.h (pass_loop_optimize): Remove.
3091 * passes.c (pass_loop_optimize): Never run it.
3092 * toplev.c (backend_init): Don't call init_loop.
3093 * opts.c (flag_loop_optimize_set): Remove.
3094 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3095 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3096 the old RTL loop optimizer when profiling enabled.
3097 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3098 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3099 pre-headers for the sake of the old RTL loop optimizer.
3100 * Makefile.in: Remove all references to loop.o.
3102 * doc/invoke.texi: Remove all references to -floop-optimize
3103 and -frerun-loop-opt.
3105 2006-02-26 Zack Weinberg <zackw@panix.com>
3107 * doc/md.texi (Machine Constraints): Refer to all files with paths
3108 relative to gcc directory (i.e. config/CPU/file). Add missing
3109 @table @code ... @end table to M32C subsection.
3111 2006-02-26 Roger Sayle <roger@eyesopen.com>
3113 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3115 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3117 2006-02-26 Roger Sayle <roger@eyesopen.com>
3118 James A. Morrison <phython@gcc.gnu.org>
3121 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3122 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3123 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3124 signedness of the shift operation.
3126 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3128 PR tree-optimization/26359
3129 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3131 2006-02-25 Roger Sayle <roger@eyesopen.com>
3133 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3134 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3135 as X == 0, and some symmetry related transformations.
3136 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3138 2006-02-25 Roger Sayle <roger@eyesopen.com>
3141 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3142 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3143 symmetry related transformations. Fold (X^C1) == C2 as
3146 2006-02-25 Juergen Weigert <jw@suse.de>
3147 Richard Guenther <rguenther@suse.de>
3149 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3151 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3153 * combine.c (gen_lowpart_or_truncate): Call
3154 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3156 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3158 * doc/invoke.texi: Move -fopenmp description to "Options for
3160 Remove reference to -lgomp.
3162 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3164 * doc/install.texi: Require GNU tar version 1.14.
3166 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3168 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3169 * doc/invoke.texi (C++ Dialect Options): Document
3170 -fno-use-cxa-get-exception-ptr.
3171 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3172 * configure: Regenerate.
3173 * c.opt (fuse-cxa-get-exception-ptr): New.
3174 * c-opts.c (c_common_handle_option): Handle
3175 OPT_fuse_cxa_get_exception_ptr.
3176 * c-common.c (flag_use_cxa_atexit): Update documentation.
3177 (flag_use_cxa_get_exception_ptr): New.
3178 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3179 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3181 (C_COMMON_OVERRIDE_OPTIONS): New.
3183 2006-02-24 Roger Sayle <roger@eyesopen.com>
3186 * combine.c (try_combine): Explicitly check whether GET_CODE is
3187 a SET or a CLOBBER, instead on checking that it isn't a USE.
3189 2006-02-24 Roger Sayle <roger@eyesopen.com>
3191 * fold-const.c (fold_comparison): New subroutine of fold_binary
3192 containing transformations common to both the equality and
3193 ordering relational operators, factored out of fold_binary.
3194 (fold_binary): Separate out the equality operators (EQ_EXPR
3195 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3196 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3197 transformations common to both.
3198 (fold_div_compare): Fix latent bugs in the previously unreachable
3199 LT_EXPR and GE_EXPR cases.
3201 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3203 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3204 decl libname for clog to __clog on AIX.
3206 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3208 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3211 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3212 output traceback table for thunks. Localise rs6000_stack_info call.
3214 2006-02-23 Roger Sayle <roger@eyesopen.com>
3215 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3217 * gthr-posix.h (__gthrw): Fix typo in comment.
3219 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3221 * doc/cpp.texi (Character sets): Document that we do support
3222 input files to be in any character set.
3224 2006-02-23 Jeff Law <law@redhat.com>
3226 * tree.h (PHI_ARG_NONZERO): Remove.
3227 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3228 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3229 node to the new node.
3231 PR tree-optimization/26425
3232 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3233 min/max, then assume its varying.
3235 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3237 PR rtl-optimization/26316
3238 * rtlanal.c (enum may_trap_p_flags): New.
3239 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3240 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3241 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3242 (may_trap_after_code_motion_p): New function.
3243 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3244 (find_invariant_insn): Use may_trap_after_code_motion_p.
3245 * rtl.h (may_trap_after_code_motion_p): Declare.
3247 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3249 * emit-rtl.c (immed_double_const): Cleanup.
3251 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3253 Fix PR tree-optimization/26376
3254 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3257 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3260 * gimplify.c (omp_add_variable): Guard variable size decl test with
3261 DECL_SIZE (decl) check.
3263 2006-02-23 Richard Guenther <rguenther@suse.de>
3266 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3267 like aggregate types.
3269 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3271 * configure.ac: Add --with{,out}-long-double-128 configure option.
3272 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3273 * configure: Rebuilt.
3274 * config.in: Rebuilt.
3275 * doc/install.texi (Options specification): Document
3276 --with-long-double-128.
3278 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3279 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3280 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3281 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3283 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3285 * config/s390/s390.c (override_options): Handle
3286 TARGET_DEFAULT_LONG_DOUBLE_128.
3288 * config/alpha/alpha.c (override_options): Handle
3289 TARGET_DEFAULT_LONG_DOUBLE_128.
3291 * config/sparc/sparc.c (sparc_override_options): Handle
3292 TARGET_DEFAULT_LONG_DOUBLE_128.
3294 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3296 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3297 (real-install-headers-tar, real-install-headers-cpio)
3298 (real-install-headers-cp): New targets.
3300 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3302 * tree.h (variable_section): Delete.
3303 * varasm.c (variable_section): Delete.
3305 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3307 * install.texi: Add notes on install.texi2html.
3308 (Building in parallel): Do not use footnotes.
3310 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3313 * doc/install.texi (Configuration): Document --disable-libgomp.
3315 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3317 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3319 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3321 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3322 (vec_extractv2df_0_sse): New.
3324 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3326 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3327 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3328 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3329 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3330 to the result of the expression.
3331 (def_cfa_1): Adjust.
3332 (frame_pointer_cfa_offset): Rename to...
3333 (frame_pointer_fb_offset): ... this. Adjust all uses.
3334 (convert_cfa_to_loc_list): Rename to...
3335 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3336 Pass it on to build_cfa_loc.
3337 (compute_frame_pointer_to_cfa_displacement): Rename to...
3338 (compute_frame_pointer_to_fb_displacement): ... this. New
3339 offset parameter. Use it in computation.
3340 (gen_subprogram_die): Compute cfa_fb_offset with the new
3341 macro, and use it to compute the fb loc list and the
3344 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3346 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3347 replaced with register_operand.
3348 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3349 non-DREG is expensive.
3350 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3351 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3354 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3356 * doc/install.texi2html: Use set -e.
3358 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3360 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3361 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3362 * doc/invoke.texi (-fshared-data): Delete.
3363 * common.opt (fshared-data): Delete.
3364 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3365 (assemble_static_space): Remove #if 0 code.
3366 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3367 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3368 * config/cris/cris.h: Remove FIXME.
3370 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3372 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3375 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3378 * combine.c (simplify_shift_const_1): Disable nested shifts
3379 optimization for vector shifts.
3381 2006-02-20 Roger Sayle <roger@eyesopen.com>
3383 PR tree-optimization/26361
3384 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3385 of unsigned integer types.
3387 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3389 * tree-chrec.c (eq_evolutions_p): New.
3390 * tree-chrec.h (eq_evolutions_p): Declared.
3391 * tree-data-ref.c: Fix formatting.
3392 (datadep_stats, dependence_stats): New.
3394 (print_direction_vector): New.
3395 (dump_data_dependence_relation): Use print_direction_vector.
3396 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3397 (compute_subscript_distance): Static.
3398 (initialize_data_dependence_relation): Static. Get the number
3399 of loops surrounding the references from the callers, and initialize
3400 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3401 base_object_differ_p analyzers.
3402 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3403 compute_overlap_steps_for_affine_1_2,
3404 analyze_subscript_affine_affine): Count the classified dependences.
3405 Print a message when a test failed.
3406 (can_use_analyze_subscript_affine_affine): New.
3407 (analyze_siv_subscript): Compute the data dependences on symbolic
3408 scevs that verify can_use_analyze_subscript_affine_affine.
3409 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3410 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3411 Handle symbolic scevs.
3412 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3414 (subscript_dependence_tester): Moved...
3415 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3416 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3417 DDR_SIZE_VECT instead of getting it in parameter.
3418 (subscript_dependence_tester): ... here. Take as a parameter
3419 loop_nest_depth. Call build_classic_dist_vector and
3420 build_classic_dir_vector.
3421 (compute_affine_dependence): Update subscript_dependence_tester
3422 parameters. Update datadep_stats counters. Call
3423 compute_subscript_distance.
3424 (compute_self_dependence): Save the dist and dir vectors. Call
3425 compute_subscript_distance.
3426 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3427 (compute_all_dependences): Reorder parameters as they were before
3428 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3429 compute_subscript_distance. Update the use of
3430 compute_affine_dependence and initialize_data_dependence_relation.
3431 (find_data_references_in_loop): Handle COMPONENT_REF.
3432 (compute_data_dependences_for_loop): Initialize dependence_stats.
3433 Don't call build_classic_dist_vector and build_classic_dir_vector.
3434 Update the parameters of initialize_data_dependence_relation and
3435 compute_all_dependences. Print the statistics from datadep_stats.
3436 (analyze_all_data_dependences): Static. Not used until the pass for
3437 checking the data dependences is contributed.
3438 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3439 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3440 (initialize_data_dependence_relation, compute_affine_dependence,
3441 analyze_all_data_dependences, compute_subscript_distance): Removed.
3442 (print_direction_vector): New.
3443 * lambda.h (gcd): ... here.
3444 (lambda_vector_gcd): Moved here from gcd_vector.
3445 * lambda-code.c (gcd, gcd_vector): Removed.
3446 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3447 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3449 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3451 * ipa-type-escape.c: Tidy some comments and white space.
3452 * tree-ssa-operands.c: Likewise.
3454 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3457 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3458 (dump_decl_name): Do not walk the decl tree chains.
3459 * tree-pass.h (TDF_CHAIN): Remove.
3461 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3463 * Makefile.in (C): Remove
3465 (.PHONY): Remove C and PROTO
3467 2006-02-20 Roger Sayle <roger@eyesopen.com>
3470 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3471 deprecated CHAR_TYPE tree code.
3473 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3475 * configure.ac (target_list): Add install-info, dvi, html.
3476 * configure: Regenerate.
3478 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3479 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3480 treelang/Make-lang.in: Do not use double-colon rules.
3482 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3484 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3485 (TMT_USED_ALONE): New macro.
3486 * tree-pass.h (PROP_tmt_usage): New property.
3487 (TODO_update_tmt_usage): New todo.
3488 * tree-ssa-alias.c (updating_used_alone): New variable.
3489 (recalculate_used_alone): New function.
3490 (compute_may_aliases): Set updating_used_alone, call
3491 recalculate_used_alone.
3492 * tree-sra.c (pass_sra): Note that this pass destroys
3493 PROP_tmt_usage, and add TODO_update_tmt_usage.
3494 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3495 * tree-flow.h (updating_used_alone): Prototype.
3496 (recalculate_used_alone): Ditto.
3497 * passes.c (execute_todo): Add code to set updating_used_alone,
3498 and call recalculate.
3499 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3500 for clobber if used alone, and add assert to verify used_alone
3503 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3505 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3506 for non tls symbols added.
3507 (legitimize_address): Do nothing for PLUS expressions if one of the
3508 addends is a tls symbol reference.
3510 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3514 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3516 * Makefile.in (BOOTSTRAPPING): New.
3517 (quickstrap): New definition if BOOTSTRAPPING=yes.
3519 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3520 * configure.ac: Substitute all_selected_languages with the languages
3521 that were configured. For all the other variables except
3522 lang_specs_files, include all the languages in the tree.
3523 * configure: Regenerate.
3525 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3526 if there is one. Run the commands to run fixincludes in the same
3529 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
3530 * doc/install.texi: Document exact conventions for searching target tools.
3531 Document --with-build-time-tools. Document toplevel bootstrap. Document
3532 something more about building an Ada cross-compiler. Don't list GNU Make
3533 requirements which affect all platforms.
3535 2006-02-19 Roger Sayle <roger@eyesopen.com>
3538 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
3539 only equivalent if the have both the same mode and precision.
3541 2006-02-20 Ben Elliston <bje@au.ibm.com>
3543 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
3545 2006-02-19 Roger Sayle <roger@eyesopen.com>
3546 Steven Bosscher <stevenb.gcc@gmail.com>
3548 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
3549 constant pool references to identify stack mode constants.
3550 * rtlanal.c (constant_pool_constant_p): New predicate to check
3551 whether operand is a floating point constant in the pool.
3552 * rtl.h (constant_pool_constant_p): Prototype here.
3553 * loop.c (scan_loop): Avoid hoisting constants from the constant
3554 pool on STACK_REGS targets.
3555 (load_mems): Likewise.
3556 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
3557 loads into x87 registers expensive in terms of register pressure.
3559 2006-02-19 Roger Sayle <roger@eyesopen.com>
3561 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
3562 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
3564 2006-02-19 David Edelsohn <edelsohn@gnu.org>
3566 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3567 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
3569 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
3571 * doc/invoke.texi: Document -fipa-pta.
3572 * common.opt: Add ipa-pta option.
3573 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
3574 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
3575 (do_ds_constraint): Ditto.
3576 (get_constraint_for): Only add to referenced_vars if
3577 referenced_vars exists.
3578 (insert_into_field_list): Rewrite to do this unsorted.
3579 (insert_into_field_list_sorted): Rename old insert_into_field_list
3581 (create_function_info_for): Use insert_into_field_list_sorted.
3582 (create_variable_info_for): Rewrite so it uses unsorted version,
3583 since the field list is sorted.
3584 (intra_create_variable_infos): Only add to referenced_vars if
3585 referenced_vars exists.
3586 (ipa_pta_execute): Init heapvars, and delete when done.
3587 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
3589 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3591 * doc/install.texi: Add missing `@samp'.
3593 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3595 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
3598 2006-02-18 Mark Wielaard <mark@klomp.org>
3600 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
3601 who added new 4.1 features, bug fixes and integration support.
3603 2006-02-18 David Edelsohn <edelsohn@gnu.org>
3606 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
3609 2006-02-18 Richard Sandiford <richard@codesourcery.com>
3611 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
3612 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
3613 (copy_insn_1): Likewise. Don't copy each field individually.
3615 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
3617 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
3618 * rtl.c (rtx_size): Rename variable to...
3619 (rtx_code_size): ...this.
3620 (rtx_size): New function.
3621 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
3622 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
3624 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
3625 * rtl.h (rtx_code_size): New variable.
3626 (rtx_size): Change from a variable to a function.
3627 (RTX_SIZE): Rename to...
3628 (RTX_CODE_SIZE): ...this.
3631 PR tree-optimization/17106
3632 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
3633 (Anchored Addresses): New section.
3634 * doc/invoke.texi (-fsection-anchors): Document.
3635 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
3636 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
3637 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
3638 * hooks.c (hook_bool_mode_rtx_false): New function.
3639 * hooks.h (hook_bool_mode_rtx_false): Declare.
3640 * gengtype.c (create_optional_field): New function.
3641 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
3642 SYMBOL_REF_IN_BLOCK_P is true.
3643 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
3644 (min_anchor_offset, max_anchor_offset): Likewise.
3645 (use_anchors_for_symbol_p): New hook.
3646 * toplev.c (compile_file): Call output_object_blocks.
3647 (target_supports_section_anchors_p): New function.
3648 (process_options): Check that -fsection-anchors is only used on
3649 targets that support it and when -funit-at-a-time is in effect.
3650 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
3651 if the decl doesn't have one.
3652 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
3653 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
3654 of force_const_mem through use_anchored_address.
3655 (expand_expr_constant): New function.
3656 (expand_expr_addr_expr_1): Call it. Use the same modifier when
3657 calling expand_expr for INDIRECT_REF.
3658 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
3659 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
3660 * expr.h (use_anchored_address): Declare.
3661 * loop-unroll.c: Don't declare rtx vectors here.
3662 * explow.c: Include output.h.
3663 (validize_mem): Call use_anchored_address.
3664 (use_anchored_address): New function.
3665 * common.opt (-fsection-anchors): New switch.
3666 * varasm.c (object_block_htab, anchor_labelno): New variables.
3667 (hash_section, object_block_entry_eq, object_block_entry_hash)
3668 (use_object_blocks_p, get_block_for_section, create_block_symbol)
3669 (use_blocks_for_decl_p, change_symbol_section): New functions.
3670 (get_variable_section): New function, split out from assemble_variable.
3671 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
3672 use_blocks_for_decl_p say so. Use change_symbol_section if the
3673 symbol has already been created.
3674 (assemble_variable_contents): New function, split out from...
3675 (assemble_variable): ...here. Don't output any code for
3676 block symbols; just pass them to place_block_symbol.
3677 Use get_variable_section and assemble_variable_contents.
3678 (get_constant_alignment, get_constant_section, get_constant_size): New
3679 functions, split from output_constant_def_contents.
3680 (build_constant_desc): Create a block symbol if use_object_blocks_p
3681 says so. Or into SYMBOL_REF_FLAGS.
3682 (assemble_constant_contents): New function, split from...
3683 (output_constant_def_contents): ...here. Don't output any code
3684 for block symbols; just pass them to place_section_symbol.
3685 Use get_constant_section and get_constant_alignment.
3686 (force_const_mem): Create a block symbol if use_object_blocks_p and
3687 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
3688 (output_constant_pool_1): Add an explicit alignment argument.
3689 Don't switch sections here.
3690 (output_constant_pool): Adjust call to output_constant_pool_1.
3691 Switch sections here instead. Don't output anything for block symbols;
3692 just pass them to place_block_symbol.
3693 (init_varasm_once): Initialize object_block_htab.
3694 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
3695 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
3696 (place_block_symbol, get_section_anchor, output_object_block)
3697 (output_object_block_htab, output_object_blocks): New functions.
3698 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
3699 (TARGET_ASM_OUT): Include it.
3700 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
3701 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
3702 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
3703 (TARGET_INITIALIZER): Include them.
3704 * rtl.c (rtl_check_failed_block_symbol): New function.
3705 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
3706 (block_symbol, object_block): New structures.
3707 (rtx_def): Add a block_symbol field to the union.
3708 (BLOCK_SYMBOL_CHECK): New macro.
3709 (rtl_check_failed_block_symbol): Declare.
3710 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
3711 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
3712 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
3713 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
3714 * output.h (output_section_symbols): Declare.
3715 (object_block): Name structure.
3716 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
3717 (default_use_anchors_for_symbol_p): Declare.
3718 * Makefile.in (RTL_BASE_H): Add vec.h.
3719 (explow.o): Depend on output.h.
3720 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
3721 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3722 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3723 (rs6000_use_blocks_for_constant_p): New function.
3725 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3727 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
3729 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3732 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
3735 2006-02-18 Diego Novillo <dnovillo@redhat.com>
3737 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
3741 2006-02-18 Jakub Jelinek <jakub@redhat.com>
3744 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
3745 instead of DECL_REGISTER.
3747 2006-02-18 Olivier Hainque <hainque@adacore.com>
3750 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
3752 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
3755 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
3756 * opth-gen.awk: Handle Var and InverseMask together.
3757 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
3758 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
3759 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
3760 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
3762 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3763 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3764 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
3765 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3766 LINUX_DYNAMIC_LINKER): Define.
3767 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
3768 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
3770 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3771 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
3772 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3773 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3774 (TARGET_C99_FUNCTIONS): Don't define.
3775 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
3776 GLIBC_DYNAMIC_LINKER.
3777 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
3778 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
3779 GLIBC_DYNAMIC_LINKER64): Define.
3780 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3781 LINUX_DYNAMIC_LINKER64.
3782 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3783 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3784 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
3785 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3786 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3787 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3788 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
3789 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
3790 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
3791 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
3792 and LINUX_DYNAMIC_LINKER32.
3793 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3794 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3795 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
3796 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3797 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
3799 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
3800 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
3801 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3802 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3803 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3804 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
3805 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
3806 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
3807 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3808 LINUX_DYNAMIC_LINKER): Define.
3809 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
3810 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
3811 GLIBC_DYNAMIC_LINKER64): Define.
3812 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3813 LINUX_DYNAMIC_LINKER64.
3814 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3815 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3816 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
3817 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3818 LINUX_DYNAMIC_LINKER): Define.
3819 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3820 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3821 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
3822 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
3823 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
3824 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3825 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
3826 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
3827 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3828 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3829 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3830 * doc/invoke.texi (-muclibc): Remove caveat about supported
3833 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3835 * doc/cpp.texi (__TIMESTAMP__): Document.
3837 2006-02-17 Roger Sayle <roger@eyesopen.com>
3840 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
3841 C is one less than the width of X (and related transformations).
3842 * simplify-rtx.c (simplify_unary_operation_1): Transform
3843 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
3844 depending on STORE_FLAG_VALUE, were C is one less then the
3847 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
3849 Fix PR tree-optimization/26341
3850 * tree-ssa-operands.c (add_virtual_operand): Remove assert
3851 about NAME_MEMORY_TAG's.
3853 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3856 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
3857 with hardware float support, and software float support. Add fcpy
3858 alternative to hardware patterns. Add alternatives to copy between
3859 general and floating-point registers to the 32-bit pattern.
3860 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
3861 secondary reload to load a QI or HI mode constant into a floating
3863 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
3864 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
3866 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
3869 * config/rs6000/darwin.md (load_macho_picbase_si): Add
3871 (load_macho_picbase_di): Likewise.
3873 2006-02-16 Jeff Law <law@redhat.com>
3875 * tree-vrp.c (set_value_range_to_nonnegative): New function.
3876 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
3877 (ssa_name_nonzero_p): Likewise.
3878 (get_value_range): Return NULL if VRP is not running.
3879 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
3880 VRP routines do not discover a range.
3881 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
3882 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
3883 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
3884 (tree_expr_nonnegative_p): Similarly.
3885 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
3886 (restore_nonzero_vars_to_original_value): Remove.
3887 (unsafe_associative_fp_binop): Remove.
3888 (tree_ssa_dominator_optimize): Remove initialization and
3889 finalization of nonzero_vars and nonzero_vars_stack.
3890 (dom_opt_initialize_block): No longer push marker on
3892 (dom_opt_finalize_block): No longer call
3893 restore_nonzero_vars_to_original_value.
3894 (record_equivalences_from_phis): No longer look for
3895 nonzero PHI arguments.
3896 (cprop_into_successor_phis): No longer propagate nonzero
3897 property into PHI arguments. Lose unused argument. Caller
3899 (record_equivalences_from_stmt): No longer record nonzero
3900 values for SSA_NAMEs.
3901 (lookup_avail_expr): No longer use nonzero_vars.
3903 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
3904 for sizetype when sizetype is unsigned.
3906 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
3908 PR rtl-optimization/25603
3909 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
3910 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
3911 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
3912 with new meaning of SETS.
3914 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
3919 * config/linux.opt: New file.
3920 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3921 LINUX_DYNAMIC_LINKER): Define.
3922 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
3923 * config.gcc (*-*-linux*): Define extra_options.
3924 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
3925 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
3926 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
3927 GLIBC_DYNAMIC_LINKER.
3928 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
3929 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3930 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3931 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3932 * doc/invoke.texi (GNU/Linux Options): New section.
3934 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3936 * config/sparc/sparc.md (setjmp): Rewrite.
3937 (setjmp_32): Delete.
3938 (setjmp_64): Likewise.
3940 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
3942 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
3945 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3947 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
3950 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3952 PR rtl-optimization/26296
3953 * Makefile.in (loop-invariant.c): Add except.h dependency.
3954 * loop-invariant.c: Include except.h.
3955 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
3957 2005-02-16 Paul Brook <paul@codesourcery.com>
3959 * reload1.c (emit_reload_insns): Invalidate dead input registers used
3962 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
3964 PR rtl-optimization/25636
3965 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
3966 when deciding whether an insn is an initializing insn.
3968 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
3970 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
3971 (tree_code_size): Ditto.
3972 * tree.h (struct tree_memory_tag): Remove parent_var.
3973 (struct tree_struct_field_tag): New.
3976 (union tree_node): Add sft member.
3977 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
3979 (create_sft): Add size and offset argument, set SFT_OFFSET and
3981 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
3982 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
3983 * tree-flow-inline.h (get_subvar_at): Update for
3984 SFT_OFFSET/SFT_SIZE.
3985 (var_can_have_subvars): Ditto.
3986 (overlap_subvar): Ditto.
3987 * print-tree.c (print_node): Print out interesting things for
3989 * tree-flow.h (struct subvar): Remove offset and size members.
3990 * tree-ssa-operands.c (get_expr_operands): Update for
3991 get_indirect_ref_operands changes.
3992 (get_indirect_ref_operands): Call add_virtual_operand instead of
3993 add_stmt_operand. Only recurse on base var if requested.
3994 (access_can_touch_variable): New function.
3995 (add_stmt_operand): Split virtual operand handling into ...
3996 (add_virtual_operand): Here. Add offset, size, and for_clobber
3997 arguments. Prune alias sets.
3998 (add_call_clobber_ops): Call add_virtual_operand.
4000 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4003 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4005 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4006 than TREE_CODE as index into omp_clause_num_ops array.
4008 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4010 PR rtl-optimization/26184
4011 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4013 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4014 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4015 must_precede, must_follow and tobe_scheduled.
4018 * opts.c (common_handle_option): Free new_option pointer.
4019 * df-core.c (df_analyze): Free postorder pointer.
4021 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4023 * Makefile.in: Fix the examples about the use of stamps
4025 2006-02-15 Michael Matz <matz@suse.de>
4029 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4030 influenced by maximum_field_alignment or DECL_PACKED.
4031 (update_alignment_for_field): Ditto.
4032 (place_field): Ditto.
4033 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4036 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4038 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4039 (debug_flow_info): Pass it.
4040 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4041 * bb-reorder.c (reorder_basic_blocks): Likewise.
4042 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4043 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4044 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4045 * gcse.c (gcse_main, bypass_jumps): Likewise.
4046 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4047 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4048 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4049 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4050 * rtl.h (dump_flow_info): Adjust prototype.
4051 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4052 * var-tracking.c (variable_tracking_main): Likewise.
4053 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4054 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4057 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4059 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4062 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4064 PR tree-optimization/26209
4065 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4066 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4068 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4070 2006-02-14 Roger Sayle <roger@eyesopen.com>
4073 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4074 (X,Y) and the corresponding symmetry related transformations.
4075 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4076 (X,Y) and its symmetry related transformations.
4078 2006-02-14 Roger Sayle <roger@eyesopen.com>
4080 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4083 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4085 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4087 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4090 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4091 support COMDAT group.
4092 * configure: Regenerate.
4094 2006-02-14 Roger Sayle <roger@eyesopen.com>
4099 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4101 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4103 Fix PR tree-optimization/26260
4105 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4107 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4108 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4109 * tree-ssa-structalias.c (create_variable_info_for): Use
4110 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4112 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4114 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4116 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4117 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4118 of the ending condition.
4119 * tree-ssa-loop-manip.c: Include params.h.
4120 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4121 tree_unroll_loop): New functions.
4122 * tree-pass.h (pass_loop_prefetch): Declare.
4123 * loop.c (rest_of_handle_loop_optimize): Test for
4124 -fprefetch-loop-arrays-rtl.
4125 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4126 * timevar.def (TV_TREE_PREFETCH): New timevar.
4127 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4128 pass_loop_prefetch): New.
4129 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4130 (cleanup_tree_cfg_loop): Call scev_reset.
4131 * common.opt (fprefetch-loop-arrays-rtl): Add.
4132 * tree-ssa-loop-prefetch.c: New file.
4133 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4134 (new_temp_expr_table): Initialize expr_vars.
4135 (free_temp_expr_table): Cleanup expr_vars.
4136 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4137 expressions from being merged into one.
4138 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4139 (struct tree_niter_desc): Add control, bound and cmp fields.
4140 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4142 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4143 (tree-cfgcleanup.o): Add SCEV_H dependency.
4144 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4145 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4147 2006-02-14 Richard Guenther <rguenther@suse.de>
4149 PR tree-optimization/26258
4150 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4151 in PHI argument processing.
4153 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4155 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4156 new expression in the requested machine mode.
4158 2006-02-13 Roger Sayle <roger@eyesopen.com>
4160 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4161 directly, instead let do_compare_rtx_and_jump handle this for us.
4162 * expr.c (expand_expr_real_1): Likewise.
4163 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4164 before do_jump_by_parts_greater.
4165 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4166 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4168 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4170 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4172 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4174 PR rtl-optimization/26235
4175 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4176 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4179 2006-02-13 Jeff Law <law@redhat.com>
4181 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4184 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4187 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4188 twice if decl is a builtin. When trying again, call get_callee_fndecl
4189 first to verify it is still a builtin.
4191 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4193 * dwarf2out.c (base_type_die): Don't add AT_name here.
4194 (subrange_type_die): Don't add AT_name here.
4195 (modified_type_die): Rearrange code flow. Do add AT_name here.
4197 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4199 PR rtl-optimization/26247
4200 PR rtl-optimization/26248
4201 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4203 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4205 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4206 * config/fixtfdi.c: Likewise.
4207 * config/fixunstfdi.c: Likewise.
4208 * config/floatditf.c: Likewise.
4210 2006-02-13 Roger Sayle <roger@eyesopen.com>
4213 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4214 into (X,C2) if C1 is a subset of the bits of C2. Transform
4215 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4217 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4219 2006-02-13 Josh Conner <jconner@apple.com>
4222 * varasm.c (function_section): Check for section name before
4223 calling select_section on targets that define
4224 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4225 unlikely_text_section instead of hot_function_section if
4226 first_function_block_is_cold.
4228 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4231 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4233 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4235 PR rtl-optimization/26222
4236 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4237 after tree->rtl expansion.
4238 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4239 before passing it to emit_move_insn.
4241 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4243 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4245 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4246 Clarify documentation.
4247 * c-common.h (warn_write_strings): Remove.
4248 * c-common.c (warn_write_strings): Likewise.
4249 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4252 2006-02-12 Roger Sayle <roger@eyesopen.com>
4255 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4256 (do_jump_parts_zero_rtx): New function renamed from
4257 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4258 (do_jump_parts_equality_rtx): New function split out from
4259 do_jump_parts_equality. Old implementation renamed as above.
4260 Call do_jump_parts_zero_rtx if either operand is zero.
4261 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4262 do all of the heavy lifting.
4263 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4264 calling either do_jump_by_parts_greater_rtx or
4265 do_jump_by_parts_equality_rtx.
4266 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4267 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4268 moved to do_compare_rtx_and_jump, call it directly.
4269 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4270 mode argument. Call do_compare_rtx_and_jump.
4271 (emit_case_nodes): Update calls to do_jump_if_equal.
4273 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4275 PR rtl-optimization/26225
4276 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4278 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4280 PR rtl-optimization/26232
4281 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4283 2006-02-11 Jason Merrill <jason@redhat.com>
4286 * tree-inline.c (declare_return_variable): Just don't use the
4287 modify target if it's a gimple complex reg and the return slot
4290 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4292 * doc/contrib.texi: Update my entry.
4294 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4296 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4298 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4300 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4303 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4305 * doc/invoke.texi (-floop-optimize2): Removed.
4306 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4307 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4308 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4309 * common.opt (floop-optimize2): Removed.
4310 (fmove-loop-invariants): Enabled by default.
4312 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4314 * tree-if-conv.c (combine_blocks): Free the result of
4315 get_loop_exit_edges.
4317 2006-02-10 Jeff Law <law@redhat.com>
4319 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4321 PR tree-optimization/26213
4322 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4323 loop trying to follow SSA_NAME_VALUE chains.
4325 2006-02-10 Richard Guenther <rguenther@suse.de>
4327 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4328 deal with structures that end in implicitly variable sized arrays.
4330 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4332 PR rtl-optimization/24762
4333 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4336 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4338 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4339 (struct ivopts_data): Add regs_used field.
4340 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4341 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4342 instead of loop_data->regs_used;
4343 (free_loop_data): Do not free aux fields for loops.
4344 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4345 and tree_ssa_iv_optimize_finalize.
4347 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4349 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4351 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4354 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4355 computing the effective result type.
4357 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4360 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4361 (tree_overlaps_hard_reg_set): Declare.
4362 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4363 type and signature to match function type expected by walk_tree.
4364 (tree_overlaps_hard_reg_set): New function.
4365 (decl_conflicts_with_clobbers_p): Rename to:
4366 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4367 Use tree_overlaps_hard_reg_set. Changed caller.
4368 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4369 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4370 * cris.c (cris_md_asm_clobbers): Likewise.
4372 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4374 * reload1.c (emit_input_reload_insns): Delete code that tries to
4375 inherit using find_equiv_reg.
4377 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4379 * c-common.h (flag_const_strings): Don't declare.
4380 * c-common.c (flag_const_strings): Remove.
4381 * c.opt (fconst_strings): Remove.
4382 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4383 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4384 (c_common_init_options): Don't set flag_const_strings.
4385 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4387 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4389 * arm.md (tlobits_cbranch): New pattern.
4390 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4391 testing a single bit.
4393 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4396 * tree-ssa-pre.c (create_component_ref_by_pieces):
4397 Handle RETURN_DECL like VAR_DECL.
4399 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4402 * fold-const.c (fold_indirect_ref_1): Fold
4403 "*(foo *)&complexfoo" to "__real__ complexfoo"
4404 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4406 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4408 * tree-flow-inline.h (var_can_have_subvars):
4409 Volatile variables should not have subvariables.
4411 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4414 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4415 multiplying unsigned values.
4418 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4420 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4422 2006-02-08 Jason Merrill <jason@redhat.com>
4425 * tree.def: Elaborate on difference from MODIFY_EXPR.
4426 * doc/c-tree.texi (INIT_EXPR): Likewise.
4427 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4428 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4429 (gimplify_target_expr): Likewise.
4430 (gimplify_cond_expr): Remove target handling.
4431 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4432 (gimplify_expr): Clobber it here.
4433 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4434 Do return slot optimization if we have an INIT_EXPR.
4437 * tree-inline.c (declare_return_variable): Also clear
4438 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4441 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4444 * gimplify.c (gimplify_one_sizepos): Fix typo.
4446 2006-02-08 Jeff Law <law@redhat.com>
4448 PR tree-optimization/21417
4449 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4450 across a backedge if the control statement at the end of the
4451 block is data dependent on other statements in the same block.
4452 (record_temporary_equivalences_from_stmts): Remove over-conservative
4453 test for threading across backedges.
4455 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4456 control statement, handle all three special cases in the same
4457 manner as they all have the same desired solution. No longer
4458 special case edge flag updating when the post dominator is
4461 2006-02-08 Roger Sayle <roger@eyesopen.com>
4463 * tree.def (CHAR_TYPE): Remove.
4464 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4465 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4466 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4467 (gen_string_type_die): Delete unreachable function.
4469 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4470 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4471 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4472 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4473 * builtins.c (type_to_class): Likewise.
4474 * fold-const.c (fold_convert, build_range_check,
4475 merge_ranges): Likewise.
4476 * expr.c (count_type_elements): Likewise.
4477 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4478 * stor-layout.c (layout_type): Likewise.
4479 * ipa-type-escape.c (type_to_consider): Likewise.
4480 * gimplify.c (omp_firstprivatize_type_sizes,
4481 gimplify_type_sizes): Likewise.
4482 * explow.c (promote_mode): Likewise.
4483 * tree-sra.c (is_sra_scalar_type): Likewise.
4484 * varasm.c (output_constant): Likewise.
4485 * tree-inline.c (remap_type_1): Likewise.
4486 * convert.c (convert_to_pointer, convert_to_real,
4487 convert_to_integer, convert_to_complex): Likewise.
4489 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4491 * df-scan.c (df_def_record_1): A set destination may
4492 be a parallel regardless of mode.
4494 2006-02-08 Roger Sayle <roger@eyesopen.com>
4497 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4498 * config/mips/_tilib.c: Remove.
4499 * config/fixtfdi.c: New libgcc source file.
4500 * config/fixunstfdi.c: New source file.
4501 * config/floatditf.c: New source file.
4502 * config/floatunditf.c: New souce file.
4503 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4504 files above instead of config/mips/_tilib.c.
4505 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4507 2006-02-08 Jeff Law <law@redhat.com>
4509 PR tree-optimization/26169
4510 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4513 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4515 * df.h (DF_REG_SIZE): Return the length of the initialized
4518 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4520 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4521 __muldf3): Return a correctly signed zero.
4523 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4525 * passes.c (register_one_dump_file): Accept the current properties
4526 instead of pass number. Adjust call to dump_register. Remove
4528 (register_dump_files): Now a wrapper around...
4529 (register_dump_files_1): ... this one. Do not modify the pass
4531 (next_pass_1): Cosmetic fix.
4532 (execute_todo): Keep second parameter only. Use curr_properties
4533 instead of fetching it from the pass structure. Check and set
4535 (execute_one_pass): Handle TODO_set_props. Use curr_properties
4536 instead of fetching it from the pass structure. Fix calls to
4537 execute_todo. Update curr_properties and initialize .vcg RTL dump
4538 after running the pass. Reset last_verified.
4539 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
4541 (FIRST_AUTO_NUMBERED_DUMP): New.
4542 (dump_register): Remove "num" parameter, assign it within the
4544 (get_dump_file_name): Modify template for dumps.
4545 * tree-dump.h (dump_register): Adjust prototype.
4546 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
4547 (PROP_trees): Add PROP_gimple_lomp.
4548 (TODO_set_props): New.
4549 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
4550 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
4551 * cfgexpand.c (pass_expand): Destroy PROP_trees.
4553 2006-02-08 Jakub Jelinek <jakub@redhat.com>
4555 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
4556 (sparc64-*-linux*): Likewise.
4557 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
4558 * config/sparc/t-linux: New file.
4559 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
4560 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
4561 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
4562 -m32 -mlong-double-128.
4564 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
4565 * config/alpha/t-linux: New file.
4566 * config/alpha/libgcc-alpha-ldbl.ver: New file.
4568 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
4569 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
4570 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
4571 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
4572 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
4573 (CPP_ARCH32_SPEC): Remove.
4575 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
4577 PR tree-optimization/26145
4578 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
4581 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4584 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
4585 >= 240000 when generating code for SOM runtime.
4586 (output_indirect_call): Don't use "b,l" instruction for indirect calls
4587 to $$dyncall when generating code for SOM runtime..
4589 2006-02-07 Dirk Mueller <dmueller@suse.com>
4592 * doc/invoke.texi (-Wsequence-point): Update documentation
4593 that -Wsequence-point is implemented for C++ as well.
4595 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4597 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
4598 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
4599 (LIB_SPEC): Likewise.
4600 * doc/invoke.texi (SPARC options): Document -pthread.
4602 2006-02-07 Geoffrey Keating <geoffk@apple.com>
4604 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
4607 2006-02-07 Roger Sayle <roger@eyesopen.com>
4609 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
4610 Correct comment describing BOOLEAN_TYPE.
4612 2006-02-07 Dirk Mueller <dmueller@suse.com>
4614 * c.opt: C++ frontend supports -Wdiv-by-zero.
4615 * c-opts.c (c_common_handle_option): Remove dead case.
4617 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4619 * configure.ac (TLS assembler check): Do not enable TLS by
4620 default on SPARC/Solaris before version 10.
4621 * configure: Regenerate.
4623 2006-02-07 David Edelsohn <edelsohn@gnu.org>
4625 * doc/invoke.texi (xl-compat): Document conversion and support
4628 2006-02-07 Jeff Law <law@redhat.com>
4630 * tree-vrp.c (find_conditional_asserts): Update comments.
4631 (simplify_stmt_for_jump_threading): New.
4632 (identify_jump_threads, finalize_jump_threads): New.
4633 (vrp_finalize): Call identify_jump_threads.
4634 (execute_vrp): Call finalize_jump_threads.
4635 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
4636 (vrp_element, vrp_data, vrp_element_p): Remove.
4637 (vrp_hash_elt, vrp_variables_stack): Remove.
4638 (vrp_hash, vrp_eq, record_range): Remove.
4639 (simplify_cond_and_lookup_avail_expr): Remove.
4640 (extract_range_from_cond): Remove.
4641 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
4642 (simplify_stmt_for_jump_threading): New.
4643 (dom_thread_across_edge): New wrapper.
4644 (tree_ssa_dominator_optimize): No longer initialize or
4645 finalize any of the VRP datastructures. Remove iteration
4646 step and simplify as a result of removal of iteration step.
4647 (pass_dominator): Perform a cfg cleanup after DOM.
4648 (dom_opt_finalize_block): Use the new common routines
4649 for threading jumps. Simplify stack management slightly.
4650 No longer need to unwind VRP state.
4651 (record_equivalences_from_incoming_edge): No longer record
4653 (eliminate_redundant_computations): No longer call
4654 simplify_cond_and_lookup_avail_expr.
4655 * tree-flow.h (potentially_threadable_block): Prototype.
4656 (thread_across_edge): Likewise.
4657 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
4658 (tree-ssa-threadedge.o): Add dependencies.
4659 * tree-ssa-threadedge.c: New file.
4660 * passes.c (init_optimization_passes): Merge PHIs before
4661 calling VRP. Run VRP again late in the SSA optimization pipeline.
4663 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4665 * df-core.c (df_set_blocks): Do not dereference function pointers.
4666 (df_finish1): Likewise.
4667 (df_hybrid_search_forward): Likewise.
4668 (df_hybrid_search_backward): Likewise.
4669 (df_iterative_dataflow): Likewise.
4670 (df_analyze_problem): Likewise.
4671 (df_compact_blocks): Likewise.
4672 (df_dump): Likewise.
4673 * df-scan.c (df_rescan_blocks): Likewise.
4674 (df_record_entry_block_defs): Likewise.
4676 * genconditions.c (write_conditions): Guard the definition of
4677 'insn_conditions' with the check on GCC version.
4678 (write_writer): Guard the traversal 'insn_conditions' with
4679 the check on GCC version.
4681 2006-02-07 Richard Guenther <rguenther@suse.de>
4685 2006-01-30 Richard Guenther <rguenther@suse.de>
4687 * gimplify.c (gimplify_target_expr): Handle easy cases
4688 without creating a temporary.
4690 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
4692 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
4693 use of float in probability computations. Use edge probabilities
4694 in place of statically computed probabilities.
4695 (min_spec_prob): New static variable.
4696 (schedule_insns): Initialize it.
4697 (GET_SRC_PROB): Removed.
4698 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
4700 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
4703 * config/ia64/unwind-ia64.c: Revert last change.
4704 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
4705 (INCOMING_FRAME_SP_OFFSET): Define.
4707 2006-02-06 Roger Sayle <roger@eyesopen.com>
4709 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
4711 2006-02-07 Ben Elliston <bje@au.ibm.com>
4713 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
4714 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
4715 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
4716 (ix86_return_in_memory): Handle TDmode.
4717 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
4718 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
4720 2006-02-06 Richard Sandiford <richard@codesourcery.com>
4722 * reorg.c (dbr_schedule): Use dump_file instead of file.
4724 2006-02-06 Steve Ellcey <sje@cup.hp.com>
4727 * config/ia64/predicates.md (extr_len_operand): New predicate.
4728 * config/ia64/ia64.md (extv): Tighten constraints.
4730 (*tbit_and_2): Ditto.
4731 (*tbit_and_3): Ditto.
4732 (*tbit_or_2): Ditto.
4733 (*tbit_or_3): Ditto.
4737 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
4740 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
4742 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4744 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
4745 loop_optimizer_init and loop_optimizer_finalize
4746 * tree-ssa-sink.c (execute_sink_code): Ditto.
4747 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4748 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
4749 tree_ssa_loop_done): Ditto.
4750 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
4751 * sched-ebb.c: Include output.h.
4752 (schedule_ebbs): Do not use dump argument.
4753 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
4754 * loop.c (loop_dump_stream): Removed.
4755 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
4757 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
4758 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
4759 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
4760 loop_iterations, strength_reduce, record_biv, record_giv,
4761 final_giv_value, check_final_value, check_ext_dependent_givs,
4762 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
4763 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
4764 dump_file instead of loop_dump_stream.
4765 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
4767 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
4769 * flow.c (life_analysis, rest_of_handle_life): Ditto.
4770 * haifa-sched.c: Include output.h
4771 (schedule_insns, sched_init): Do not use dump argument.
4772 * mode-switching.c (optimize_mode_switching): Ditto.
4773 * modulo-sched.c (stats_file): Removed.
4774 (print_node_sched_params): Do not call argument dump_file.
4775 (sms_schedule_by_order, loop_canon_p, sms_schedule,
4776 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
4778 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
4780 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
4781 rtl_loop_init, rtl_loop_done): Ditto.
4782 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
4783 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
4785 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
4786 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
4787 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
4788 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
4789 * emit-rtl.c (renumber_insns): Ditto.
4790 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
4791 expand_gimple_basic_block, tree_expand_cfg): Ditto.
4792 * regclass.c (regclass): Ditto.
4793 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
4794 remove_ssa_form, rewrite_out_of_ssa): Ditto.
4795 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
4796 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
4798 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
4799 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
4801 * gcse.c (gcse_file, debug_stderr): Removed.
4802 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
4803 rest_of_handle_gcse): Do not use dump argument.
4804 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
4805 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
4806 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
4807 compute_code_hoist_vbeinout, compute_code_hoist_data,
4808 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
4809 compute_store_table, build_store_vectors, insert_insn_start_bb,
4810 insert_store, remove_reachable_equiv_notes, replace_store_insn,
4811 store_motion): Use dump_file instead of gcse_file.
4812 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
4813 * profile.c (profile_dump_file): Removed.
4814 (branch_prob): Use dump_file instead of profile_dump_file.
4815 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
4817 * tree-ssa-copy.c (dump_copy_of): Ditto.
4818 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
4819 dump file to life_analysis.
4820 * bt-load.c (branch_target_load_optimize): Ditto.
4821 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
4823 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
4824 regclass, dbr_schedule): Declaration changed.
4825 * sched-int.h (sched_init): Declaration changed.
4826 * tree-profile.c (tree_profile_dump_file): Removed.
4827 (tree_profile_hooks): Removed profile_dump_file hook.
4828 * rtl-profile (rtl_profile_dump_file): Removed.
4829 (rtl_profile_hooks): emoved profile_dump_file hook.
4830 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
4832 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
4833 * tree-cfg.c (build_tree_cfg): Ditto.
4834 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
4835 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
4836 Declaration changed.
4837 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
4838 life_analysis and schedule_insns.
4839 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
4841 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
4843 * config/mips/mips.c (mips_reorg): Ditto.
4844 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
4847 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
4849 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4850 (s390_mangle_fundamental_type): New.
4851 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4854 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4855 (alpha_mangle_fundamental_type): New.
4856 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4859 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4861 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4863 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4864 (sparc_mangle_fundamental_type): New.
4866 2006-02-06 Jakub Jelinek <jakub@redhat.com>
4868 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
4869 (s390x-*-linux*): Likewise.
4870 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
4871 * config/s390/t-linux: New file.
4873 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4875 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
4876 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
4878 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
4880 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
4881 (ANTIC_SAFE_LOADS): New macro.
4882 (find_or_generate_expression): Add prototype.
4883 (set_contains_value): Allow null set for sake of not always having
4884 to allocate ANTIC_SAFE_LOADS.
4885 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
4886 Allow COMPONENT_REF too.
4887 (valid_in_set): Allow COMPONENT_REF.
4888 Check ANTIC_SAFE_LOADS too.
4889 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
4890 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
4892 (can_PRE_operation): Add COMPONENT_REF.
4893 (create_component_ref_by_pieces): New function.
4894 (create_expression_by_pieces): Use create_component_ref_by_pieces.
4895 (insert_aux): Move AGGREGATE_TYPE_P check here.
4896 (compute_avail): Set bb local stmt uids.
4897 (pass_pre): Use TODO_update_ssa_only_virtuals.
4899 2006-02-06 Ben Elliston <bje@au.ibm.com>
4901 * configure.ac: Unconditionally disable decimal float by default.
4902 * configure: Regenerate.
4904 2006-02-06 Ben Elliston <bje@au.ibm.com>
4906 * read-rtl.c (read_name): Terminate reading on EOF.
4908 2006-02-06 Ben Elliston <bje@au.ibm.com>
4910 * dfp.c (decimal_real_arithmetic): Change second argument type
4911 from int to enum tree_code. Do not always return true, but now
4912 return result of any call to decimal_do helper functions.
4913 * dfp.h (decimal_real_arithmetic): Update prototype.
4915 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
4917 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
4919 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
4922 * tree-cfg.c (cleanup_dead_labels): Also don't remove
4925 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4927 * tree-vrp.c (cfg_loops): Removed.
4928 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
4929 Use current_loops instead of cfg_loops. Pass flags to
4930 loop_optimizer_init.
4931 * cfgloopmanip.c (fix_loop_structure): Update only available
4933 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
4934 loop_optimizer_init.
4935 * modulo-sched.c (build_loops_structure): Removed.
4936 (sms_schedule): Use loop_optimizer_init.
4937 * loop-init.c (loop_optimizer_init): Use flags to determine
4938 which properties of loops to prepare.
4939 (rtl_loop_init): Pass flags to loop_optimizer_init.
4940 * tree-ssa-sink.c (execute_sink_code): Ditto.
4941 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
4942 * tree-ssa-pre.c (init_pre): Ditto.
4943 * cfgloop.h (LOOPS_NORMAL): New.
4944 (loop_optimizer_init): Declaration changed.
4946 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4948 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
4949 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
4951 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
4953 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
4955 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
4956 * pa/t-pa64: Delete quadlib.c rule.
4957 * pa/x-ada: Revert last change.
4958 * pa/t-pa: Revert last change. Delete quadlib.c rule.
4960 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4962 PR rtl-optimization/26087
4963 * rtlanal.c (canonicalize_condition): Do not cross basic block
4966 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
4969 * config/ia64/ia64.c: Include debug.h.
4970 (MAX_ARTIFICIAL_LABEL_BYTES): New.
4971 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
4972 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
4973 (process_epilogue, process_set, process_for_unwind_directive):
4974 Output unwind info only if requested. Add CFA info if requested.
4975 Add new arguments as needed. Adjust callers.
4976 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
4978 (DWARF2_FRAME_INFO): Define to zero.
4979 * config/ia64/unwind-ia64.c: Remove code that compensated for
4980 the CFA offset error fixed above.
4981 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
4982 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
4983 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
4984 -funwind-tables and -fexceptions to enable frame info.
4985 (dwarf2out_frame_init): Define initial CFA even if
4986 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
4987 DWARF2_UNWIND_INFO is nonzero, not just defined.
4988 (dwarf2out_frame_finish): Output non-EH call frame info only
4989 if DWARF2_FRAME_INFO is nonzero.
4990 (convert_cfa_to_loc_list,
4991 compute_frame_pointer_to_cfa_displacement): Define even if
4992 unwind info is not supported.
4993 (gen_subprogram_die): Use the above unconditionally. Remove
4994 legacy alternate code.
4995 * toplev.c (compile_file): Compile in call to
4996 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
4997 (lang_dependent_init): Ditto for dwarf2out_frame_init.
4999 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5000 Jakub Jelinek <jakub@redhat.com>
5002 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5003 IBM extended float format long double as "g" on powerpc*-linux.
5005 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5008 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5009 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5011 2006-02-03 Jason Merrill <jason@redhat.com>
5014 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5017 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5018 on the return slot if it's an NRV.
5020 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5022 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5023 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5024 rewrite_use): Do not handle USE_OUTER.
5025 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5026 add_iv_outer_candidates, may_replace_final_value,
5027 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5028 (find_interesting_uses_op): Functionality of
5029 find_interesting_uses_outer_or_nonlin moved here.
5030 (find_interesting_uses_outside): Use find_interesting_uses_op.
5032 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5035 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5037 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5038 Ulrich Weigand <uweigand@de.ibm.com>
5041 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5042 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5043 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5044 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5046 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5047 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5048 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5049 Define secondary reloads for TFmode moves.
5050 (constant_modes): Add TFmode.
5051 (NR_C_MODES): Set to 8.
5052 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5054 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5055 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5056 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5057 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5058 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5059 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5060 (FPR mode macro): Add TFmode.
5061 (DSF mode macro): New.
5062 (<de>, <dee> mode attributes): Removed.
5063 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5064 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5065 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5066 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5067 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5068 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5069 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5070 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5071 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5072 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5073 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5074 "*negabs<mode>2", "sqrt<mode>2"):
5075 Changed <de> to <xde>. R constraint replaced by <Rf>.
5076 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5078 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5079 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5080 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5082 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5083 "extenddftf2", "extendsftf2"): New expanders.
5084 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5085 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5086 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5087 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5089 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5090 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5091 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5092 __floatditf): Add a GCC_4.1.0 symbol version tag.
5093 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5096 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5099 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5100 Use targetm.binds_local_p instead of TREE_PUBLIC.
5102 2006-02-02 Roger Sayle <roger@eyesopen.com>
5104 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5105 on INTEGER_TYPEs to indicate that it denotes a character type.
5106 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5107 signed_char_type_node, unsigned_char_type_node and char_type_node.
5108 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5109 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5110 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5112 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5113 Daniel Berlin <dberlin@dberlin.org>
5115 * tree-tailcall.c (arg_needs_copy_p): New function.
5116 (eliminate_tail_call): Use arg_needs_copy_p.
5117 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5118 (add_virtual_phis): New function.
5120 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5122 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5123 #ignore instead of #scratch for %g7 .register directive.
5125 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5127 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5130 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5132 * flow.c (calculate_global_regs_live): Assert that there aren't any
5135 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5137 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5139 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5140 bsi_after_labels iterator.
5141 * tree-if-conv.c (find_phi_replacement_condition,
5142 replace_phi_with_cond_modify_expr): Likewise.
5143 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5144 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5146 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5148 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5150 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5153 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5154 array after growing it.
5156 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5159 * fold-const.c (fold_checksum_tree): Change type of buf.
5161 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5163 * reload.c (push_secondary_reload): Initialize t_icode.
5165 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5167 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5168 -msoft-float -mlong-double-128 only issue a warning, but don't
5169 swich to DFmode long double.
5171 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5173 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5174 has a constant equivalent, iterate over equivalents for arg0,
5175 calling simplify_relational_operation and if there's a result
5176 cheaper than X, apply fold_rtx and return the result.
5178 2006-02-01 Jan Hubicka <jh@suse.cz>
5180 * opts.c (no_unit_at_a_time_default): New global variable.
5181 (decode_options): Use it.
5182 * opts.h (no_unit_at_a_time_default): Declare.
5184 2006-02-01 Paul Brook <paul@codesourcery.com>
5186 * function.c (assign_parm_setup_reg): Use function argument promotion
5188 * expr.c (expand_expr_real_1): Use function argument promotion rules
5191 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5193 * gcc.c (process_command): Change j to 'unsigned int'.
5195 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5198 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5199 Use the corrected index for the character
5200 out of the string constant.
5202 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5204 * mode-switching.c (optimize_mode_switching): Fix size
5205 allocated for bb_info[n_entities].
5207 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5209 * gcc.c (main): Correct type that is allocated for
5210 explicit_link_files.
5212 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5214 * config/s390/s390.c (init_alignment_context): Set
5215 ALIAS_SET_MEMORY_BARRIER on the MEM.
5216 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5218 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5221 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5223 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5226 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5228 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5229 * regrename.c: Ditto.
5230 * tree-ssa-loop-im.c: Ditto.
5231 * tree-dump.c: Ditto.
5232 * tree-complex.c: Ditto.
5233 * genrecog.c: Ditto.
5234 * tree-ssa-threadupdate.c: Ditto.
5236 * java/class.c: Ditto.
5237 * java/jcf-parse.c: Ditto.
5238 * java/resource.c: Ditto.
5239 * java/except.c: Ditto.
5240 * java/jvspec.c: Ditto.
5241 * java/jcf-write.c: Ditto.
5242 * java/jcf-path.c: Ditto.
5243 * java/gjavah.c: Ditto.
5244 * java/zextract.c: Ditto.
5245 * java/jcf-io.c: Ditto.
5246 * java/jcf.h: Ditto.
5247 * java/buffer.c: Ditto.
5248 * java/lang.c: Ditto.
5249 * java/parse-scan.y: Ditto.
5250 * java/lex.c: Ditto.
5251 * java/lex.h: Ditto.
5252 * cfgloopmanip.c: Ditto.
5253 * postreload-gcse.c: Ditto.
5254 * tree-ssa-loop-manip.c: Ditto.
5255 * postreload.c: Ditto.
5256 * tree-ssa-loop-ch.c: Ditto.
5260 * diagnostic.c: Ditto.
5262 * genoutput.c: Ditto.
5264 * cfghooks.c: Ditto.
5265 * cfgloopanal.c: Ditto.
5266 * objc/objc-act.c: Ditto.
5268 * genextract.c: Ditto.
5269 * genautomata.c: Ditto.
5270 * pretty-print.c: Ditto.
5272 * cgraphunit.c: Ditto.
5275 * haifa-sched.c: Ditto.
5276 * dominance.c: Ditto.
5278 * tree-ssa-loop-ivopts.c: Ditto.
5280 * mode-switching.c: Ditto.
5281 * modulo-sched.c: Ditto.
5283 * ipa-pure-const.c: Ditto.
5285 * fix-header.c: Ditto.
5287 * tree-stdarg.c: Ditto.
5288 * ipa-utils.c: Ditto.
5289 * loop-init.c: Ditto.
5290 * ipa-inline.c: Ditto.
5293 * alloc-pool.c: Ditto.
5294 * dwarf2out.c: Ditto.
5296 * genattrtab.c: Ditto.
5297 * tree-ssa-loop-ivcanon.c: Ditto.
5301 * fortran/gfortranspec.c: Ditto.
5303 * local-alloc.c: Ditto.
5304 * langhooks.c: Ditto.
5305 * function.c: Ditto.
5306 * tree-vectorizer.c: Ditto.
5308 * ipa-type-escape.c: Ditto.
5310 * tree-if-conv.c: Ditto.
5313 * tree-data-ref.c: Ditto.
5314 * loop-unroll.c: Ditto.
5315 * treelang/treetree.c: Ditto.
5318 * ggc-common.c: Ditto.
5320 * coverage.c: Ditto.
5322 * tree-cfgcleanup.c: Ditto.
5323 * tree-ssa-pre.c: Ditto.
5324 * cfgcleanup.c: Ditto.
5325 * loop-invariant.c: Ditto.
5327 * ipa-prop.c: Ditto.
5328 * print-tree.c: Ditto.
5329 * conflict.c: Ditto.
5330 * ggc-page.c: Ditto.
5331 * sched-deps.c: Ditto.
5332 * regclass.c: Ditto.
5333 * tree-object-size.c: Ditto.
5335 * bb-reorder.c: Ditto.
5336 * resource.c: Ditto.
5337 * var-tracking.c: Ditto.
5339 * df-problems.c: Ditto.
5340 * reg-stack.c: Ditto.
5343 * sched-rgn.c: Ditto.
5344 * tree-ssa-structalias.c: Ditto.
5345 * tree-ssa-reassoc.c: Ditto.
5346 * config/darwin-c.c: Ditto.
5347 * config/darwin.c: Ditto.
5348 * config/arm/arm.c: Ditto.
5350 * collect2.c: Ditto.
5353 2006-01-31 Nicolas Pitre <nico@cam.org>
5355 * arm.md (smaxsi3): Make aware of smax_m1.
5358 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5360 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5362 2006-01-31 Richard Guenther <rguenther@suse.de>
5364 * doc/invoke.texi (-msselibm): Document.
5365 * target.h (expand_library_builtin): New target hook.
5366 * builtins.c (expand_builtin): Use expand_library_builtin.
5367 (default_expand_library_builtin): New function.
5368 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5369 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5370 (link_gcc_math_spec): Declare.
5371 (static_specs): Add link_gcc_math_spec.
5372 * expr.h (default_expand_library_builtin): Declare.
5373 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5374 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5375 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5376 * config/i386/i386.opt (msselibm): New target option.
5377 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5378 (ix86_init_sse_abi_builtins): New function.
5379 (ix86_expand_library_builtin): Likewise.
5380 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5381 (override_options): Handle error conditions wrt -msselibm.
5382 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5383 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5384 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5387 2006-01-31 Richard Guenther <rguenther@suse.de>
5388 Paolo Bonzini <bonzini@gnu.org>
5390 * doc/install.texi (--disable-libgcc-math): Document.
5392 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5394 * expr.h (expand_normal): new inline function.
5395 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5397 * dwarf2out.c: use it.
5402 * config/sparc/sparc.c: use it.
5403 * config/i386/i386.c: use it.
5404 * config/rs6000/rs6000.c: use it.
5405 * config/arm/arm.c: use it.
5406 * config/mips/mips.c: use it.
5407 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5409 2006-01-30 Roger Sayle <roger@eyesopen.com>
5411 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5412 argv to the appropriate type.
5414 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5416 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5419 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5422 * config/s390/s390.c (struct machine_function): New flag
5423 decomposed_literal_pool_addresses_ok_p.
5424 (s390_reorg): Set it before final stage of literal pool transforms.
5425 (s390_decompose_address): Only accept displacements of the form
5426 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5428 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5430 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5431 the comparison routine return.
5433 2006-01-30 Michael Matz <matz@suse.de>
5435 * global.c (find_reg): Only evict for global regs.
5436 Take n_refs into account and dump more info.
5438 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5441 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5442 (pragma_trap, pragma_nosave_low_regs): Likewise.
5443 (current_function_anonymous_args): Likewise.
5444 (sh_deferred_function_attributes): New variable.
5445 (sh_deferred_function_attributes_tail): Likewise.
5446 (print_operand): For '@', look up trap_exit attribute.
5447 (calc_live_regs): Look up trapa_handler attribute. For trapa
5448 handlers, save/restore fpscr, but don't do any other
5449 interrupt-specific saves.
5450 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5451 Fix check for partially saved registers to check for SHmedia.
5452 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5453 (sh_output_function_epilogue): Don't clear any of the removed
5455 (sh_insert_attributes): Don't check pragma_interrupt.
5456 Insert deferred attributes. Check that interrupt attribute is
5457 present for other attributes that require its presence.
5458 (sh_attribute_table): Add new attributes trapa_handler and
5460 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5461 Don't check for pragma_interrupt. Don't store argument.
5462 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5463 (sh_deferred_function_attributes): Declare.
5464 (sh_deferred_function_attributes_tail): Likewise.
5465 * sh.md (sp_switch_1): Add operand. Change generator caller.
5466 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5467 (*return_i): Don't use when trap_exit attribute is in effect.
5468 (*return_trapa): New insn pattern.
5470 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5471 setting c_target_objs and cxx_target_objs.
5472 * t-sh: Add rule for sh-c.o.
5474 2006-01-30 Richard Guenther <rguenther@suse.de>
5477 * gimplify.c (gimplify_target_expr): Handle easy cases
5478 without creating a temporary.
5480 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5482 * vec.h (safe_grow): Remove duplicated line.
5484 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5487 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5488 (expand_omp): ... here.
5489 (expand_omp_parallel): Only remove barriers for combined
5490 parallel+workshare constructs.
5492 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5496 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5497 * tree.c (build_qualified_type): Chain the new type to the original
5498 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5499 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5500 (build_pointer_type_for_mode): Only return unqualified types.
5501 (build_reference_type_for_mode): Likewise.
5503 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5505 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5506 * Makefile.in (CXX_COMPAT_WARN): Define.
5507 * configure: Regenerate.
5509 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5512 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5515 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5517 * toplev.c: Fix thinko.
5519 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5520 Marcin Dalecki <martin@dalecki.de>
5522 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5523 (push_srcloc): Use XNEW.
5524 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5526 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5528 * df-core.c (df_set_blocks): Deleted all variable.
5530 2006-01-28 Ian Lance Taylor <ian@airs.com>
5532 * cgraphunit.c (cgraph_assemble_pending_functions): Call
5533 cgraph_output_pending_asms.
5535 2006-01-28 Zack Weinberg <zackw@panix.com>
5537 * c.opt: Add -W(no-)overlength-strings.
5538 * doc/invoke.texi: Document it.
5539 * c-opts.c (c_common_handle_option): -pedantic implies
5540 -Woverlength-strings, if not explicitly disabled already.
5541 (c_common_post_options): -Woverlength-strings defaults to off, and
5542 is always off for C++.
5543 * c-common.c (fix_string_type): Issue warning about strings longer
5544 than is portable only if warn_overlength_strings. Rearrange code
5545 a little for clarity.
5546 * configure.in: Check for -Wno-overlength-strings as well before
5547 enabling -pedantic in stage 1.
5548 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
5549 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
5551 * genconditions.c (write_header, write_one_condition)
5552 (write_conditions, write_writer): Consolidate very long strings
5553 that were broken up to fit in C89 portable limit. Don't use
5554 printf when fputs will do.
5556 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
5558 * combine.c (simplify_comparison <AND>): Check
5559 TRULY_NOOP_TRUNCATION before start using a subreg.
5561 * config/mips/mips.md (*branch_zero<mode>,
5562 *branch_zero<mode>_inverted, *branch_equality<mode>,
5563 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
5564 Remove mode check from comparisons.
5566 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
5568 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
5570 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5572 * expmed.c (const_mult_add_overflow_p): Remove.
5573 * expr.h: Remove the prototype for const_mult_add_overflow_p.
5575 * recog.c (validate_replace_rtx_subexp): Remove.
5576 * recog.h: Remove the prototype for
5577 validate_replace_rtx_subexp.
5579 * integrate.h: Remove the prototype for
5580 copy_decl_for_inlining.
5581 * rtl.h: Remove the prototype for mark_constant_function.
5582 * tree-vectorizer.h: Remove the prototype for
5583 vect_strip_conversion.
5585 * modulo-sched.c (create_partial_schedule,
5586 free_partial_schedule, reset_partial_schedule): Make them
5589 * hooks.c (hook_bool_rtx_int_false): Remove.
5590 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
5592 2006-01-28 David Edelsohn <edelsohn@gnu.org>
5594 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5595 and -mlong-double-128 are incompatible.
5596 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
5597 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
5598 (TARGET_LIBGCC2_CFLAGS): Define.
5599 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
5600 (TARGET_LIBGCC2_CFLAGS): Same.
5601 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
5603 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5606 * c-typeck.c (build_binary_op): Perform implicit casts of
5607 operands before shortening them.
5609 * cfgloopmanip.c (split_loop_bb): Remove.
5610 * cfgloop.h: Remove the prototype for split_loop_bb.
5612 * cfgloop.c (flow_loop_outside_edge_p): Remove.
5613 * cfgloop.h: Remove the prototype for
5614 flow_loop_outside_edge_p.
5616 * emit-rtl.c (init_virtual_regs): Make it static.
5617 * function.h: Remove the prototype for init_virtual_regs.
5619 * recog.c (peephole2_optimize): Make it static.
5620 * recog.h: Remove the prototype for peephole2_optimize.
5622 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5624 * df-scan.c (df_record_entry_block_defs): Check if
5625 INCOMING_RETURN_ADDR_RTX is defined.
5627 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
5628 Kenneth Zadeck <zadeck@naturalbridge.com>
5630 PR rtl-optimization/24762
5631 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5632 * targhooks.c (hook_void_bitmap): New hook prototype.
5633 * targhoohs.h (hook_void_bitmap): Ditto.
5634 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
5635 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
5636 * target.h (live_on_entry): New function pointer.
5637 * df-scan.c (df_all_hard_regs): Removed.
5638 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
5639 (df_scan_free_internal): Added df->entry_block_defs.
5640 (df_scan_alloc): Ditto.
5641 (df_scan_dump): Ditto.
5642 (df_uses_record): Plumbed flag field properly thru calls.
5643 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
5644 This part fixes PR24762.
5645 (df_bb_refs_record): Added code to make the frame and arg
5646 pointers live in EH blocks.
5647 (df_refs_record): Added call to df_record_entry_block_defs.
5648 (df_record_entry_block_defs): New function.
5649 * df-core.c: Added comments to describe new artifical defs.
5650 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
5651 (entry_block_defs): New field in struct df.
5652 (df_all_hard_regs): Deleted.
5653 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5654 * df-problems.c (df_ru_bb_local_compute_process_def):
5655 Added code to handle artifical defs in the entry to a function.
5656 (df_ru_bb_local_compute): Ditto.
5657 (df_rd_bb_local_compute_process_def): Ditto.
5658 (df_rd_bb_local_compute): Ditto.
5659 (df_lr_bb_local_compute): Ditto.
5660 (df_ur_bb_local_compute): Ditto.
5661 (df_urec_bb_local_compute): Ditto.
5662 (df_chain_create_bb): Ditto.
5663 (df_ur_local_finalize): Removed entry.
5664 (df_urec_init): Ditto.
5665 (df_urec_local_finalize): Ditto.
5666 (df_ri_bb_compute): Added detection of last use of pseudos.
5667 * Makefile.in (df-scan.o): Updated dependencies.
5668 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
5669 * config/mips/mips.c (mips_set_live_on_entry): Added.
5670 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
5672 * dce.c (marked_insn_p): Added code to handle artifical defs.
5674 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5676 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
5678 (_mm_cvtsi128_si64): Likewise.
5679 (_mm_cvtsd_si64): Likewise.
5680 (_mm_cvttsd_si64): Likewise.
5681 (_mm_cvtsi64_sd): Likewise.
5682 (_mm_cvtsi64_si128): Likewise.
5683 * config/i386/mmintrin.h (_m_from_int64): Likewise.
5684 (_mm_cvtsi64_m64): Likewise.
5685 (_m_to_int64): Likewise.
5686 (_mm_cvtm64_si64): Likewise.
5687 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
5688 (_mm_cvttss_si64): Likewise.
5689 (_mm_cvtsi64_ss): Likewise.
5690 (_mm_cvtss_f32): Likewise.
5692 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
5694 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
5695 for pragma redefine_extname.
5697 2006-01-27 Jakub Jelinek <jakub@redhat.com>
5700 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
5701 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
5702 -mno-minimal-toc to previous content.
5703 (bispecs): Remove goal.
5704 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
5705 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
5706 compatibility aliases on powerpc-*-*gnu*.
5707 * config/rs6000/libgcc-ppc-glibc.ver: New file.
5708 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
5709 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
5710 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
5711 (ldblspecs): New goal.
5712 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
5713 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
5715 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
5716 L_sf_to_tf or L_df_to_tf is defined.
5718 2006-01-27 David Edelsohn <edelsohn@gnu.org>
5719 Alan Modra <amodra@bigpond.net.au>
5722 * config/rs6000/linux.h (POWERPC_LINUX): Define.
5723 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
5724 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
5725 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
5726 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
5727 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
5728 (rs6000_override_options): Initialize rs6000_ieeequad.
5729 Initialize TFmode format to ibm_extended_format if not
5731 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
5733 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
5734 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
5735 (function_arg_advance): IBM long double passed in two FPRs, not
5737 (function_arg): IBM long double passed in FPRs.
5738 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
5739 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
5740 Only multireg GPR aligned.
5741 (rs6000_init_libfuncs): Enable IBM long double functions if not
5743 (rs6000_generate_compare): Use IBM long double compare if not
5745 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
5746 (TARGET_IEEEQUAD): Define.
5747 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
5748 not TARGET_IEEEQUAD.
5749 * config/rs6000/rs6000.md: Enable TFmode patterns if
5751 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
5752 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5753 and -mlong-double-128 are incompatible.
5754 * doc/invoke.texi (-mabi): Collect options together. Add
5755 ibmlongdouble and ieeelongdouble.
5757 2006-01-27 Richard Sandiford <richard@codesourcery.com>
5759 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
5761 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
5762 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
5763 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
5764 * rtl.h (rtunion_def): Remove rt_ptr.
5766 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
5767 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
5768 * config/i386/winnt.c (i386_pe_mark_dllexport)
5769 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
5771 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
5773 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
5775 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5779 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
5780 pthread_key_delete. From John David Anglin. gthrw-ify
5781 pthread_getunique_np only if it it's not a macro. Delete
5783 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
5784 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
5785 __gthread_objc_condition_signal, __gthread_key_delete): Add
5786 "__attribute__ ((__unused__))" to unused arguments.
5787 (__gthread_recursive_mutex_init_function): Add missing return.
5788 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
5789 gthr-posix95.h: Use macro-based approach for name redirection
5790 on targets missing weakref.
5792 2006-01-26 Zack Weinberg <zackw@panix.com>
5794 * genconditions.c (write_header): In generated code, #ifdef out
5795 all includes and fake declarations, except includes of bconfig.h
5796 and system.h, unless GCC_VERSION >= 3001. Do not include
5797 gensupport.h in any case.
5798 (write_conditions): Generate a definition of struct c_test. Add
5799 a comment to the generated #endif.
5800 (write_one_condition): Escape backslashes in string too.
5801 (write_writer): Generated code must escape backslashes and quote
5802 marks (but not newlines) in the strings it writes.
5803 * Makefile.in (build/gencondmd.o): Update dependencies.
5805 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5808 * Makefile.in (insn-automata.o): Add header file dependencies.
5809 * genautomata.c: Add includes.
5811 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5814 * Makefile.in (insn-automata.o): Add -Wno-error flag.
5816 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5818 * configure.ac: Expect target tools paths to be passed from the toplevel
5819 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
5821 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
5823 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5826 * c.opt (Wpointer-sign): Init to -1.
5827 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
5828 OPT_pedantic, to 0 otherwise.
5829 * doc/invoke.texi: Update.
5831 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5833 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
5834 constants provided by 80387 instructions in the destination mode.
5836 2006-01-26 Richard Guenther <rguenther@suse.de>
5837 Andrew Pinski <pinskia@physics.uc.edu>
5840 partial PR tree-opt/17064
5841 * tree-ssa-structalias.c (intra_create_variable_infos):
5842 Create heap variables for incoming parameters if
5843 flag_argument_noalias > 1.
5844 (find_what_p_points_to): Look through default defs of
5847 2006-01-26 Jeff Law <law@redhat.com>
5850 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
5851 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
5852 within the VR_RANGE, use the VR_RANGE as the result, not the
5854 (adjust_range_with_scev): Reject ranges from SCEV which are out of
5855 bounds for the type.
5857 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
5859 * tree-ssa-alias.c (maybe_create_global_var): Change
5860 subvar walking to an assertion that we don't have subvar'd variables.
5862 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
5865 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
5866 Use a new variable, inner. PARM_DECLs are always non-weak.
5868 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
5870 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
5873 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
5875 * config/mips/mips.md (*clear_upper32): New combiner pattern.
5877 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
5879 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
5880 (smax_insn, smin_insn, smax_0, smin_0): New.
5882 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
5885 * config/cris/cris.c (cris_order_for_addsi3): New function.
5886 * config/cris/cris-protos.h: Prototype it.
5887 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
5888 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
5889 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
5890 (split for "op.S1 [rx=rx+i],ry (swapped)")
5891 (split for "op(s|u).S1 [rx=rx+i],ry")
5892 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
5893 Apply cris_order_for_addsi3 when generating addsi3 insns.
5895 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5897 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
5898 (TREE_BLOCK): Add call to EXPR_CHECK.
5900 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5903 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
5904 * tree-pretty-print.c (dump_omp_clause): Extract from ...
5905 (dump_omp_clauses): ... here.
5906 (dump_generic_node): Handle OMP_CLAUSE.
5907 * tree.c (omp_clause_num_ops): New.
5908 (omp_clause_code_name): New.
5909 (tree_code_size): Handle OMP_CLAUSE.
5910 (tree_size): Likewise.
5911 (make_node): Document handling of OMP_CLAUSE.
5912 (tree_node_structure): Handle OMP_CLAUSE.
5913 (omp_clause_check_failed): New.
5914 (omp_clause_range_check_failed): New.
5915 (omp_clause_operand_check_failed): New.
5916 (build_omp_clause): New.
5917 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
5918 * tree.h (enum omp_clause_code): Declare.
5919 (OMP_CLAUSE_SUBCODE_CHECK): Define.
5920 (OMP_CLAUSE_RANGE_CHECK): Define.
5921 (OMP_CLAUSE_ELT_CHECK): Define.
5922 (omp_clause_check_failed): Declare.
5923 (omp_clause_operand_check_failed): Declare.
5924 (omp_clause_range_check_failed): Declare.
5925 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
5926 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
5927 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
5928 (OMP_CLAUSE_LASTPRIVATE): Likewise.
5929 (OMP_CLAUSE_IF_EXPR): Likewise.
5930 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
5931 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
5932 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
5933 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
5934 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
5935 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
5936 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
5937 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
5938 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
5939 (OMP_CLAUSE_CODE): Define.
5940 (OMP_CLAUSE_SET_CODE): Define.
5941 (OMP_CLAUSE_CODE): Define.
5942 (OMP_CLAUSE_OPERAND): Define.
5943 (struct tree_omp_clause): Declare.
5944 (union tree_node): Add field 'omp_clause'.
5945 * treestruct.def (TS_OMP_CLAUSE): Define.
5946 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
5947 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
5948 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
5949 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
5950 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
5951 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
5952 (OMP_CLAUSE): Define.
5953 * print-tree.c (print_node): Handle OMP_CLAUSE.
5954 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
5955 * c-typeck.c: Likewise.
5956 * gimplify.c: Likewise.
5957 * c-omp.c: Likewise.
5958 * tree-nested.c: Likewise.
5959 * tree-inline.c: Likewise.
5960 * c-parser.c: Likewise.
5961 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
5964 2006-01-25 Roger Sayle <roger@eyesopen.com>
5966 PR rtl-optimization/25703
5967 * combine.c (try_combine): Handle zero_extract and strict_low_part
5968 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
5970 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
5972 * global.c: Fix comment typos.
5974 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
5977 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
5978 Use output_addr_const instead of assemble_name.
5980 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
5982 * Makefile.in (sched-vis.o): Update dependencies.
5983 * haifa-sched.c (sched_finish): Clear current_sched_info.
5984 * cfg.c (dump_bb_info): New, split from dump_flow_info.
5985 (dump_flow_info): Call it.
5986 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
5988 * basic-block.h (dump_bb_info): Declare.
5989 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
5990 option, and apply options only for dump files whose TDF_RTL,
5991 TDF_TREE, or TDF_IPA bits match.
5992 * rtl.h: Declare new functions exported from sched-vis.c.
5993 * sched-vis.c: Enable also if scheduling is not used.
5994 (print_value): Print the mode of registers if not inside scheduling.
5995 (print_insn): Make it work outside the scheduler. Beautify the output
5997 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
5999 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6001 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6002 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6003 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6004 depending on the value of CONSTANT_POOL_ADDRESS_P.
6005 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6007 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6008 rather than SYMBOL_REF_DECL.
6009 (rtx_constant_pool): Remove const_rtx_sym_htab.
6010 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6011 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6012 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6013 Remove handling of const_rtx_sym_htab.
6014 (find_pool_constant): Delete.
6015 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6016 rather than find_pool_constant.
6017 (get_pool_constant_for_function): Delete.
6018 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6020 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6021 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6022 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6023 (SYMBOL_REF_CONSTANT): New macro.
6024 (get_pool_constant_for_function): Delete.
6025 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6026 rather than SYMBOL_REF_DECL.
6027 (i386_pe_mark_dllimport): Likewise.
6028 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6029 rather than SYMBOL_REF_DECL.
6030 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6031 (machopic_indirect_call_target): Likewise.
6033 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6035 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6037 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6039 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6041 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6043 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6045 2006-01-24 David Daney <ddaney@avtrex.com>
6048 * configure.ac (enable_tls): New enable option.
6049 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6050 * configure: Regenerate.
6051 * doc/install.texi (--enable-tls): Document new option.
6052 (--disable-tls): Ditto.
6054 2006-01-24 Richard Henderson <rth@redehat.com>
6056 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6057 * alias.c (true_dependence): Respect it.
6058 (canon_true_dependence, write_dependence_p): Likewise.
6059 * builtins.c (get_builtin_sync_mem): Set it.
6061 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6063 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6066 2006-01-24 DJ Delorie <dj@redhat.com>
6068 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6069 for storing constants in single-bit bitfields.
6071 2006-01-25 Ben Elliston <bje@au.ibm.com>
6073 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6075 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6078 * tree-ssa-pre.c (phi_translate): Return NULL
6079 for AGGREGATE_TYPE's.
6081 2006-01-24 Zack Weinberg <zackw@panix.com>
6083 * genautomata.c (process_state_for_insn_equiv_partition):
6084 Use xcalloc for insn_arcs_array.
6085 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6086 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6088 2006-01-24 Richard Henderson <rth@redhat.com>
6090 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6093 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6095 PR rtl-optimization/25890
6096 PR rtl-optimization/25905
6097 * combine.c (expand_compound_operation, expand_field_assignment):
6098 Fail if the bitfield's final position is out of bounds.
6100 2006-01-24 Ian Lance Taylor <ian@airs.com>
6103 * cgraphunit.c (cgraph_output_in_order): Don't clear
6104 cgraph_asm_nodes until after asm strings have been output.
6106 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6108 * fix-header.c (read_scan_file): Add new parameter imultilib when
6109 calling register_include_chains.
6111 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6113 * omp-low.c: Update documentation.
6115 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6116 Daniel Berlin <dberlin@dberlin.org>
6120 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6121 return from the function.
6123 2006-01-22 Zack Weinberg <zackw@panix.com>
6125 * rtl.def (match_code): Add second argument.
6126 * genpreds.c (write_extract_subexp): New function.
6127 (write_match_code): Add path argument. Use write_extract_subexp.
6128 (write_predicate_expr): Pass path to write_match_code.
6129 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6130 not perform a mode test.
6131 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6132 a subexpression does not constrain the top-level code set.
6133 * read-rtl.c (read_rtx_variadic): New function.
6134 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6135 * doc/md.texi: Document new notation.
6136 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6137 (cmpsi_operand): ... here, using new notation.
6139 2006-01-22 Zack Weinberg <zackw@panix.com>
6141 * varray.c: Remove GENERATOR_FILE #ifdefs.
6143 2006-01-22 Zack Weinberg <zackw@panix.com>
6145 * genautomata.c (output_reserved_units_table): Emit nothing if
6146 description->query_units_num is zero. Remove extra blank line.
6147 (output_cpu_unit_reservation_p): Short circuit
6148 if description->query_units_num is zero.
6150 2006-01-22 Zack Weinberg <zackw@panix.com>
6152 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6153 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6154 nor any of the random handful of variables that used to be necessary
6155 when this program was linked with rtlanal.o. Prune set of forward
6156 function declarations.
6157 (struct attr_desc): Remove static_p field.
6158 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6159 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6160 (attr_string): Do not read the character one past the length of
6162 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6163 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6164 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6165 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6166 (make_automaton_attrs): New.
6167 (main): Do not call into genautomata. Call local gen_bypass
6168 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6169 Remove special case for insn_alts.
6170 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6171 varray.h (leftover from previous change). Prune set of forward
6172 function declarations. Remove state_alts fields from all
6173 structures. Remove state_alts_table from struct automaton.
6174 Make everything except main static. Do not maintain num_dfa_decls.
6175 Do not maintain state_alts fields of various structures.
6176 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6177 (add_arc): Remove state_alts argument. All callers updated.
6178 (output_reserved_units_table): Emit #ifdef here...
6179 (output_tables): ...not here. Don't generate state_alts tables.
6180 (expand_automata): Don't generate attributes.
6181 (write_automata): Don't generate state_alts functions.
6182 (main): New function.
6183 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6184 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6185 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6186 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6187 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6188 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6189 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6190 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6192 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6193 * genattrtab.h: Delete file.
6194 * Makefile.in (OBJS-common): Add insn-automata.o.
6195 (insn-automata.o): New rule.
6196 (simple_generated_c): Add insn-automata.c.
6197 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6198 (genprogmd): Add automata.
6199 (build/genattrtab): Needs no extra objects nor libraries.
6200 (build/genautomata): Needs build/vec.o and -lm.
6202 2006-01-22 Zack Weinberg <zackw@panix.com>
6204 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6205 (output_dfa_max_issue_rate, locked_states_num): Delete.
6206 (struct automaton): Add locked_states field.
6207 (output_dead_lock_vect): Save number of locked states in
6208 automaton->locked_states. If it is zero, don't print anything.
6209 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6210 (output_internal_dead_lock_func): Only test the dead_lock_vect
6211 for automata that have locked states.
6212 (output_statistics): Always print the number of locked states for
6213 each automaton. Calculate total number of locked states here.
6214 (write_automata): Don't call output_dfa_max_issue_rate.
6215 * genattrtab.c: Define length_unit_log as a const variable.
6216 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6217 max_insn_queue_index const.
6218 * final.c (length_unit_log): Declare const.
6219 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6221 2006-01-22 Zack Weinberg <zackw@panix.com>
6223 * genautomata.c: Include vec.h, not varray.h.
6224 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6225 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6226 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6227 VEC_* macros operating on appropriately typed vectors, or to
6228 malloced arrays when the size is known in advance. Const-ify
6229 many char* variables and function arguments. No functional changes.
6230 * Makefile.in (build/varray.o): Delete rule.
6231 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6232 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6234 2006-01-22 Zack Weinberg <zackw@panix.com>
6236 * gensupport.c: Define get_insn_name and record_insn_name here.
6237 (read_md_rtx): Call record_insn_name as appropriate.
6238 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6239 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6240 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6242 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6243 (BUILD_VARRAY): Delete.
6244 (genprognormal): Rename genprogmd. Fold in all programs from
6245 genprognoprint; also attrtab.
6246 (build/genattrtab): Just mention genautomata.o and varray.o.
6247 Reorganize a bit, add comments to make the categories clearer.
6249 2006-01-22 Zack Weinberg <zackw@panix.com>
6251 * genconditions.c (condition_table, add_condition): Delete.
6252 (write_conditions): Don't emit n_insn_conditions nor
6253 insn_elision_unavailable. Issue the gcc version #ifdef here,
6254 inside the table, with no #else clause ...
6255 (write_header): ...not here.
6256 (write_writer): New function.
6257 (main): Don't initialize condition_table. Use add_c_test.
6259 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6260 files on the command line.
6261 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6262 Return -1 if there is no entry in the table, don't abort.
6263 (add_c_test, traverse_c_tests): New functions.
6264 * gensupport.h (insn_elision_unavailable, insn_conditions)
6265 (n_insn_conditions): Delete declarations.
6266 (add_c_test, traverse_c_tests): Declare.
6267 * read-rtl.c: Include gensupport.h.
6268 (read_conditions): New function.
6269 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6270 (read_rtx_1): If we get EOF when we were looking for an initial
6271 open paren, return 0. Call read_conditions when appropriate.
6272 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6273 dummy-conditions.o. Eliminate references to insn-conditions.o,
6274 or change them to build/gencondmd.o, as appropriate. Remove
6275 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6276 from $(simple_generated_c). For all files remaining in those
6277 two lists, add insn-conditions.md to the generator command line.
6278 Give insn-constants.h/s-constants their own rules. Add rules
6279 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6280 (build/read-rtl.o): Depend on gensupport.h.
6281 (genprognormal): Include preds.
6282 (genprogearly): Rename genprognoprint; only difference is now that
6283 they don't link with $(BUILD_PRINT).
6284 * dummy-conditions.c: Delete.
6286 2006-01-22 Zack Weinberg <zackw@panix.com>
6288 * genextract.c: Don't include insn-config.h. Do include vec.h.
6289 Declare vectors of int, char, and locstr.
6290 (locstr): New typedef.
6291 (struct extraction): Make all array fields into bare pointers.
6292 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6293 (insn_code_number): Delete.
6294 (accum_extract): New struct.
6295 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6296 (gen_insn): Take insn_code_number as an argument. Use an
6297 accum_extract structure instead of loading data directly into
6298 a struct extraction, and having to know how big it might get.
6299 (walk_rtx): Operate entirely on an accum_extract structure.
6300 (print_path): Avoid unnecessary use of printf.
6301 (print_header): New function, split out of main. Distinguish
6302 more carefully between an unrecognizable insn and an insn that
6303 has the code number of a define_expand.
6304 (main): Pass insn_code_number to gen_insn. Call print_header
6305 only after parsing. Avoid unnecessary use of printf.
6306 * Makefile.in (build/vec.o): New rule.
6307 (build/genextract): Depend on build/vec.o.
6308 (build/genextract.o): Don't depend on insn-config.h.
6310 2006-01-22 Zack Weinberg <zackw@panix.com>
6312 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6313 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6314 practical. Eliminate per-generator-program link rules.
6316 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6319 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6320 with a call expr to ...
6321 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6323 2006-01-23 Richard Guenther <rguenther@suse.de>
6325 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6326 before make_edge with conditional EDGE_TRUE_VALUE.
6328 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6329 Jan Hubicka <jh@suse.cz>
6330 Richard Guenther <rguenther@suse.de>
6332 PR rtl-optimization/25654
6333 * cfgexpand.c (aggregate_contains_union_type): New function.
6334 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6335 for structure variables that contain a union type.
6337 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6339 * gengtype.c (new_structure): Return the structure.
6340 (create_option): Add an extra "next" argument.
6341 (create_field): New function.
6342 (adjust_field_rtx_def): Use create_option and create_field.
6343 Remove a now-unnecessary call to find_structure.
6344 (adjust_field_tree_def): Likewise.
6345 (note_yacc_type): Remove an unnecessary call to find_structure.
6346 * gengtype.h (new_structure): Return the structure.
6347 (create_option): Add an extra argument.
6348 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6349 (option): Adjust calls to create_option.
6351 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6353 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6355 2006-01-22 Paul Brook <paul@codesourcery.com>
6356 Peter Barada <peter@the-baradas.com>
6358 * config/m68k/m68k.md: Add Coldfire FPU support.
6359 Define FP mode macro and associated attributes.
6360 Use it for float mode patterns.
6361 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6362 (LIBCALL_VALUE): Use m68k_libcall_value.
6363 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6364 (m68k_function_value): Ditto.
6365 (emit_move_sequence): Ditto.
6366 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6367 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6368 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6369 (MULTILIB_EXCEPTIONS): Ditto.
6370 * config/m68k/m68k.opt: Add mcfv4e.
6371 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6372 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6373 (m68k_output_function_prologue): Save ColdFire FPU registers.
6374 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6375 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6376 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6377 ColdFire FPU registers.
6378 (m68k_libcall_value, m68k_function_value): New functions.
6379 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6380 (LIBCALL_VALUE): Use m68k_libcall_value.
6381 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6382 (MASK_COLDFIRE): Add MASK_CFV4E.
6383 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6384 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6385 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6386 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6387 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6388 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6389 * doc/invoke.tex: Document -mcfv4e on m68k.
6391 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6393 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6396 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6399 * c-opts.c (c_common_handle_option): Don't include
6400 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6401 * doc/invoke.texi (C++ Dialect Options): Document that
6402 -Wnon-virtual-dtor is no longer included in -Wall.
6404 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6406 * gcov.c (print_version), gcov-dump.c (print_version),
6407 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6410 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6412 * df-scan.c (problem_SCAN): Added NULL reset function.
6413 (df_scan_reset_blocks): Added code to call reset block function
6414 (df_bb_refs_delete) Fixed comment.
6415 (df_insn_refs_delete): Made tolerant of deleting non existent info
6416 for dataflow problems that need to be reset.
6417 * df-core.c (df_set_blocks): Ditto.
6418 * df.h (struct df_problem): Added reset_fun.
6419 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6420 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6421 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6422 functions to clear out all references to def-use or use-def chains.
6424 2006-01-21 Ben Elliston <bje@au.ibm.com>
6426 * varasm.c (assemble_real): Initialise data array.
6428 2006-01-20 Paul Brook <paul@codesourcery.com>
6430 Merge from csl-arm-branch.
6431 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6432 * config/arm/arm.md (movdi): Force operands[1] to a register
6433 if we have a non-register source.
6434 (*arm_movdi, *movdf_soft_insn): Require that one of the
6435 operands be a register.
6436 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6437 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6439 2006-01-20 DJ Delorie <dj@redhat.com>
6441 * varasm.c (initialize_constant_valid_p): Allow pointers
6442 initialized from integer constants of lesser precision.
6443 (output_constant): Allow non-int-sized pointer modes to be
6444 initialized from integer constants.
6446 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6449 * cppdefault.h (struct default_include): Add multilib flag.
6450 * cppdefault.c (cpp_include_defaults): Set it.
6451 * c.opt (-imultilib): New option.
6452 * c-opts.c (imultilib): New.
6453 (c_common_handle_option): Handle -imultilib.
6454 (c_common_post_options): Likewise.
6455 * c-incpath.c (add_standard_paths, register_include_chains):
6457 * c-incpath.h (register_include_chains): Add extra parameter.
6458 * gcc.c (do_spec_1): Generate -imultilib option.
6459 (The Specs Language): Update %I description.
6460 (process_command): Update copyright notice.
6461 * doc/cppopts.texi (-imultilib): Document.
6462 * doc/invoke.texi (-imultilib): Include in option summary.
6463 (%I): Update specs documentation.
6465 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6467 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6469 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6471 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6474 2006-01-20 Richard Guenther <rguenther@suse.de>
6475 Steven Bosscher <stevenb.gcc@gmail.com>
6477 PR rtl-optimization/24626
6478 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6479 EDGE_TRUE_VALUE if in RTL mode.
6482 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6483 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6485 2006-01-20 Dirk Mueller <dmueller@suse.com>
6488 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6489 instead of a special NOP marker.
6490 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6491 NOP marker handling.
6492 * c-common.h (empty_body_warning): Add forward declaration.
6493 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6494 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6496 2006-01-20 Paul Brook <paul@codesourcery.com>
6498 * Makefile.in (lang_checks): Keep going if mkdir fails.
6500 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6502 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6503 be able to clean out basic block when not necessary.
6504 (df_scan_free): Fixed to properly delete information if df is
6505 unused before calling df_finish.
6506 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6507 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6509 (df_bb_refs_delete): New function.
6510 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6511 * df-core.c (df_set_blocks): Added code to properly clean out
6512 unused blocks if they are not part of the blocks to consider.
6513 Added additional null check.
6514 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6515 be able to clean out basic block when not necessary
6516 * df.h (df_free_bb_function): Ditto.
6517 (df_bb_refs_delete): New function.
6518 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6519 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6520 basic block parameter to be able to clean out basic block when not
6522 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6523 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6524 Fixed to properly delete information if df is unused before
6527 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6529 PR rtl-optimization/25799
6530 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
6531 Corrected confluence operator to remove bits from op2 before oring
6532 with op1 rather than removing bits from op1.
6533 (df_ru_transfer_function): Corrected test on wrong bitmap which
6534 caused infinite loop. Both of these problems were introduced in
6535 the dataflow rewrite.
6537 2006-01-19 DJ Delorie <dj@redhat.com>
6539 * reload1.c (find_reload_regs): Note the details of reload
6540 failures in the dump file.
6541 (spill_failure): Likewise.
6543 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6545 * loop-iv.c: Include df.h and hashtab.h.
6546 (enum iv_grd_result): New enum.
6547 (DF_REF_IV, DF_REF_IV_SET): New macros.
6548 (struct biv_entry): New.
6549 (df, bivs): New global variables.
6550 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
6551 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
6553 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
6554 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
6555 analyzed_for_bivness_p, record_biv): New functions.
6556 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
6557 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
6558 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
6560 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
6562 (iv_number_of_iterations): Use new interface to iv analysis.
6563 * loop-unroll.c: Do not include varray.h.
6564 (analyze_iv_to_split_insn): Use new interface to iv
6566 * loop-unswitch.c (may_unswitch_on): Ditto.
6567 * df.c (df_bitmaps_free): Only work for bbs for that structures are
6569 (df_bb_modify): Realloc tables to the new index.
6570 (df_find_use): New function.
6571 * df.h (df_find_use): Declare.
6572 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
6574 * cfgloop.h (struct rtx_iv): Remove analysed field.
6575 (iv_get_reaching_def): Removed.
6576 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
6577 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
6578 (loop-iv.o): Add df.h and hashtab.h dependency.
6579 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
6581 2006-01-20 Alan Modra <amodra@bigpond.net.au>
6584 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
6586 (__floatundisf, __floatundidf): Likewise.
6587 * libgcc2.h (IS_IBM_EXTENDED): Define.
6589 2006-01-19 DJ Delorie <dj@redhat.com>
6591 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
6593 2006-01-19 Paul Brook <paul@codesourcery.com>
6595 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
6596 as nothrow when unwinding tables are disabled.
6598 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6601 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
6602 of bit-field" when in system header.
6604 2006-01-19 DJ Delorie <dj@redhat.com>
6606 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
6607 the 16 bit shift limit of the m16c.
6609 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
6612 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
6613 * config/i386/i386.c (output_set_got): Output the label if we have one
6614 for the TARGET_DEEP_BRANCH_PREDICTION case.
6616 2006-01-19 Jan Hubicka <jh@suse.cz>
6617 H.J. Lu <hongjiu.lu@intel.com>
6618 Evandro Menezes <evandro.menezes@amd.com>
6620 * invoke.texi (generic): Document
6622 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
6623 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
6624 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
6625 (x86_use_incdec, x86_pad_returns): New variables
6626 (TARGET_CPU_DEFAULT_generic): New constant
6627 (TARGET_CPU_DEFAULT_NAMES): Add generic.
6628 (enum processor_type): Add generic32 and generic64.
6629 * i386.md (cpu attribute): Add generic32/generic64
6630 (movhi splitter): Behave sanely when both partial_reg_dependency and
6631 partial_reg_stall are set.
6632 (K8 splitters): Enable for generic as well.
6633 * predicates.md (incdec_operand): Use TARGET_INCDEC
6634 (aligned_operand): Avoid memory mismatch stalls.
6635 * athlon.md: Enable for generic64, new patterns for 128bit moves.
6636 * ppro.md: Enable for generic32
6637 * i386.c (generic64_cost, generic32_cost): New.
6638 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
6639 (x86_use_leave): Enable for generic64. (x86_use_sahf,
6640 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
6641 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
6642 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
6643 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
6644 x86_partial_reg_dependency, x86_memory_mismatch_stall,
6645 x86_accumulate_outgoing_args, x86_prologue_using_move,
6646 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
6647 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
6649 (x86_use_incdec, x86_pad_returns): New.
6650 (override_options): Add generic32 and generic64, translate "generic"
6651 to generic32/generic64 and "i686" to "generic32", refuse
6652 "generic32"/"generic64" as arch target.
6653 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
6654 (ix86_reorg): Honor PAD_RETURNS.
6656 2006-01-19 Diego Novillo <dnovillo@redhat.com>
6658 * tree-pretty-print.c (dump_generic_node): Handle
6659 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
6660 * cgraph.c (cgraph_expand_queue): Rename from
6661 cgraph_analyze_queue. Update all users.
6662 * cgraphunit.c (cgraph_assemble_pending_functions): Process
6663 cgraph_expand_queue.
6664 (cgraph_expand_all_functions): Likewise.
6665 (cgraph_finalize_pending_functions): Remove. Update callers.
6667 * tree.h (OMP_DIRECTIVE_P): Define.
6668 (OMP_PARALLEL_FN): Define.
6669 (OMP_PARALLEL_DATA_ARG): Define.
6670 (OMP_SECTIONS_SECTIONS): Define.
6671 * tree-pass.h (pass_expand_omp): Declare.
6672 * omp-low.c (struct omp_region): Declare.
6673 (struct omp_context): Remove fields 'parallel_type',
6674 'parallel_start_ix' and 'parallel_start_additional_args'.
6676 (struct omp_for_data): Rename from struct expand_omp_for_data.
6677 (omp_regions): New static variable.
6678 (root_omp_region): New static variable.
6679 (find_omp_clause): Make static.
6680 (is_in_combined_parallel_ctx): Remove.
6681 (is_combined_parallel): New.
6682 (extract_omp_for_data): Move earlier in the file.
6683 (workshare_safe_to_combine_p): New.
6684 (get_ws_args_for): New.
6685 (determine_parallel_type): Move earlier in the file.
6686 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
6688 (omp_copy_decl): Likewise.
6689 (create_omp_child_function): Likewise.
6690 (lookup_omp_region): New.
6691 (dump_omp_region): New.
6692 (debug_omp_region): New.
6693 (debug_all_omp_regions): New.
6694 (new_omp_region): New.
6695 (scan_omp_parallel): If parallel_nesting_level > 1, the
6696 directive is nested within another parallel directive.
6697 Set OMP_PARALLEL_FN.
6698 (scan_omp_for): Do not try to handle combined parallel+for
6700 Remove FIXME comment.
6701 (scan_omp_nested): Remove.
6702 (scan_omp_1): Do not call scan_omp_nested when
6703 parallel_nesting_level is > 1.
6704 Do not change the DECL_CONTEXT of local variables found.
6705 (lookup_decl_in_outer_ctx): New.
6706 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
6707 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
6708 (lower_reduction_clauses): Rename from expand_reduction_clauses.
6709 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
6710 If CTX is nested, lookup VAR in the outer context when
6711 building copy assignment.
6712 (lower_send_clauses): Rename from expand_send_clauses.
6713 If CTX is nested, lookup VAR in the outer context when
6714 building copy assignments.
6715 (lower_send_shared_vars): Rename from expand_send_shared_vars.
6716 If CTX is nested, lookup VAR in the outer context when
6717 building copy assignments.
6718 (expand_parallel_call): Rename from build_parallel_call.
6719 Handle combined parallel+workshare cases.
6720 Re-implement to emit code into the CFG.
6722 (expand_omp_parallel): Re-implement to emit code into the CFG.
6723 Call move_sese_region_to_fn to outline the sub-graph
6724 containing the parallel region.
6725 (expand_omp_for_1): Remove.
6726 (expand_omp_for_generic): Re-implement to emit code into the
6728 (expand_omp_for_static_nochunk): Likewise.
6729 (expand_omp_for_static_chunk): Likewise.
6730 (expand_omp_for): Likewise.
6731 (expand_omp_sections): Likewise.
6732 (remove_exit_barriers): New.
6733 (expand_omp_synch): New.
6735 (build_omp_regions_1): New.
6736 (build_omp_regions): New.
6737 (execute_expand_omp): New.
6738 (gate_expand_omp): New.
6739 (pass_expand_omp): Define.
6740 (lower_omp_sections): Rename from expand_omp_sections.
6741 Set OMP_SECTIONS_SECTIONS.
6742 (lower_omp_single_simple): Rename from expand_omp_single_simple.
6743 (lower_omp_single_copy): Rename from expand_omp_single_copy.
6744 (lower_omp_single): Rename from expand_omp_simple.
6745 (lower_omp_master): Rename from expand_omp_master.
6746 (lower_omp_ordered): Rename from expand_omp_ordered.
6747 (lower_omp_critical): Rename from expand_omp_critical.
6748 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
6749 (lower_omp_for): Re-implement.
6750 (lower_omp_parallel): Re-implement.
6751 (lower_regimplify): Rename from expand_regimplify.
6752 (lower_omp_1): Rename from expand_omp_1.
6753 If there are syntax errors in the program, replace every
6754 OpenMP directive with NOP.
6755 Call lower_omp_* instead of expand_omp_*.
6756 (lower_omp): Rename from expand_omp.
6758 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
6759 * tree-gimple.h (enum omp_parallel_type): Remove.
6760 (gimple_boolify): Declare extern.
6761 (find_omp_clause, determine_parallel_type): Remove.
6763 * gimple-low.c (lower_omp_directive): New.
6764 (lower_stmt): Call it.
6765 (record_vars_into): Move from ...
6766 (record_vars): ... here.
6767 Call record_vars_into with current_function_decl.
6769 * gimplify.c (struct gimplify_ctx): Remove fields
6770 combined_pre_p and combined_ctxp. Update users.
6771 (get_formal_tmp_var): Add documentation.
6772 (gimple_boolify): Make extern.
6773 (gimplify_expr_in_ctx): Remove. Update callers.
6774 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
6775 will always be a BIND_EXPR.
6776 (gimplify_expr): Handle OMP_RETURN_EXPR.
6777 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
6778 (OMP_PARALLEL): Add 3 operands.
6779 (OMP_SECTIONS): Add 1 operand.
6780 (OMP_RETURN_EXPR): Define.
6782 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
6783 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
6784 * tree-iterator.c (alloc_stmt_list): Assert that we are not
6785 creating a circular free list.
6786 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
6788 * tree-flow.h (move_sese_region_to_fn): Declare.
6789 (record_vars_into): Declare.
6790 * tree-cfg.c (make_omp_sections_edges): New.
6791 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
6792 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
6793 OMP_SECTIONS and OMP_SECTION.
6794 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
6795 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
6796 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
6797 (gather_blocks_in_sese_region): New.
6798 (struct move_stmt_d): Declare.
6800 (move_block_to_fn): New.
6801 (move_sese_region_to_fn): New.
6803 * passes.c (init_optimization_passes): Schedule
6804 pass_expand_omp after pass_init_datastructures.
6806 * tree-ssa-operands.c (get_expr_operands): Handle
6807 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
6808 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
6810 2006-01-19 Jeff Law <law@redhat.com>
6812 * tree-vrp.c (extract_range_from_assert): Refine the result range
6813 if the variable referenced by the ASSERT_EXPR has a range and
6814 either the tentative result range or the previous range is a
6817 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6819 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
6821 2006-01-19 Jan Hubicka <jh@suse.cz>
6823 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
6825 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
6827 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
6828 (expand_compound_operation, expand_field_assignment): Fail if the
6829 bit lengths of an extract operation are out of range.
6830 (make_extraction): Compute wanted_inner_mode based on the position
6831 and length of the extraction. Make it extraction_mode for non-constant
6832 positions, and do not modify offset in that case. When generating a
6833 new MEM, use a mode that can hold the extraction while keeping correct
6834 alignment. Remove code that supported MEMs wrapped by USEs.
6835 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
6837 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
6839 * config/s390/s390.md ("Y", "y"): New mode attribute.
6840 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6841 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
6842 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
6843 "*addsi3_imm_cc", "*addsi3_carry1_cc",
6844 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
6845 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
6846 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
6847 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
6848 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
6849 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
6850 "addsi3", "subsi3"): Insn patterns removed.
6851 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
6852 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
6853 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
6854 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
6855 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
6856 "*sub<mode>3_cconly2"): New insn patterns.
6857 ("addsi3", "subsi3"): New expanders.
6859 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
6861 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
6862 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
6863 existing STMT_VINFO_VECTYPE if available.
6864 (vect_mark_relevant): Add special handling for stmts that are
6865 marked as STMT_VINFO_IN_PATTERN_P.
6866 (vect_analyze_loop): Call vect_pattern_recog.
6867 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
6868 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
6870 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
6871 (vect_recog_func_ptr): New function-pointer type.
6872 * tree-vect-patterns.c: New file.
6873 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
6874 (vect_recog_dot_prod_pattern, vect_pattern_recog):
6875 (vect_pattern_recog_1): New functions.
6876 (vect_pattern_recog_funcs): New array of function pointers.
6878 * tree-vectorizer.h (ternary_op): New enum value.
6879 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
6880 declaration. Revised documentation. Removed redundant dump prints.
6881 Removed redundant argument. Added support for reduction patterns.
6882 (vectorizable_reduction): Added support for reduction patterns.
6883 (vect_transform_stmt): Added support for patterns.
6885 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
6886 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
6887 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
6888 (expand_widen_pattern_expr): New function.
6889 (init_optabs): Initialize new optabs udot_prod_optab,
6891 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
6892 (sdot_prod_optab, udot_prod_optab): Define new optabs.
6893 (expand_widen_pattern_expr): New function declaration.
6894 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
6896 * tree-inline.c (estimate_num_insns_1): Added cases for new
6897 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6898 * tree-pretty-print.c (dump_generic_node): Likewise.
6899 (op_prio): Likewise.
6900 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6901 * tree-ssa-operands.c (get_expr_operands): Added case for
6903 * tree-vect-patterns.c (widened_name_p): New function.
6904 (vect_recog_dot_prod_pattern): Added function implementation.
6905 * tree-vect-transform.c (get_initial_def_for_reduction): Added
6906 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
6907 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
6908 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
6910 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
6911 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
6912 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
6913 (init_optabs): Initialize new optabs widen_ssum_optab,
6915 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
6916 (widen_ssum_optab, widen_usum_optab): Define new optabs.
6917 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
6918 use instead of type of def.
6919 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
6920 function implementation.
6921 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
6922 widen_ssumv8hi): New.
6924 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
6927 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6930 * c-decl.c (add_flexible_array_elts_to_size): New function.
6931 (finish_decl): Use it.
6933 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
6935 * diagnostic.h: Include options.h.
6936 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
6937 dependancies for diagnostic.h.
6938 * Makefile.in (DIAGNOSTIC_H): Add options.h.
6940 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
6942 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
6943 (ssa_ro_call_cache_valid): Ditto.
6944 * tree-ssa-alias.c (sort_tags_by_id): New function.
6945 (init_transitive_clobber_worklist): Ditto.
6946 (add_to_worklist): Ditto.
6947 (mark_aliases_call_clobbered): Ditto.
6948 (compute_tag_properties): Ditto.
6949 (set_initial_properties): Ditto.
6950 (compute_call_clobbered): Ditto.
6951 (compute_may_aliases): Call compute_call_clobbered and grouping.
6952 (compute_flow_sensitive_aliasing): Remove clobbering related code.
6953 (compute_flow_insensitive_aliasing): Grouping now happens in our
6955 (setup_pointers_and_addressables): Remove clobbering related code.
6956 (add_may_alias): Ditto.
6957 (replace_may_alias): Ditto.
6958 (get_nmt_for): Ditto.
6959 (create_global_var):
6960 (is_escape_site): Return an escape_type enumeration.
6961 * tree-flow-inline.h (is_call_clobbered): Global var does not
6962 imply call clobbered.
6963 (mark_call_clobbered): Take a reason for marking this. Remove
6964 marking of globalness, and cache invalidation.
6965 (clear_call_clobbered): Remove cache invalidation code.
6966 * tree-dfa.c (dump_variable): If details is on, dump the reason
6968 * tree-outof-ssa.c (create_temp): Copy escape mask from original
6970 * tree-flow.h (struct ptr_info_def): Add escape mask member.
6971 (struct var_ann_d): Ditto.
6972 (enum escape_type): New.
6973 (mark_call_clobbered): Adjust prototype.
6974 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
6975 are never call clobbered.
6976 Record reasons for escaping.
6977 * tree-ssa-structalias.h (is_escape_site): Update prototype.
6978 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
6979 (ssa_ro_call_cache_valid): Ditto.
6980 (clobbered_v_may_defs): Ditto.
6981 (clobbered_vuses): Ditto.
6982 (ro_call_vuses): Ditto.
6983 (clobber_stats): New.
6984 (init_ssa_operands): Zero out clobber stats.
6985 (fini_ssa_operands): Print out clobber stats.
6986 (get_call_expr_operands): Pass callee fndecl to
6988 (add_call_clobber_ops): Remove use of cache.
6989 Add use of PURE_CONST information.
6990 (add_call_read_ops): Remove use of cache.
6991 Add use of static not_read information.
6993 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
6995 Introduce TLS descriptors for i386 and x86_64.
6996 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
6997 (TARGET_ANY_GNU_TLS): New macro.
6998 (enum tls_dialect): Added TLS_DIALECT_GNU2.
6999 (struct machine_function): Add tls_descriptor_call_expanded_p.
7000 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7001 (ix86_current_function_calls_tls_descriptor): Likewise.
7002 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7003 (override_options): Introduce gnu2 tls dialect.
7004 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7006 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7008 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7009 (ix86_init_machine_status): Initialize new field.
7010 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7011 (ix86_tls_module_base): New.
7012 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7013 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7014 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7015 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7016 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7017 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7018 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7019 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7020 * config/i386/predicates.md (tls_modbase_operand): New.
7021 (tp_or_register_operand): New.
7023 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7025 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7026 (look_for_address_of): Ditto.
7027 (ipa_init): Walk the function decls.
7028 (static_execute): Don't set readonly on FUNCTION_DECL's.
7030 2006-01-18 Roger Sayle <roger@eyesopen.com>
7032 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7033 for shifts where the source and destination registers are different.
7035 2006-01-18 Paul Brook <paul@codesourcery.com>
7037 Merge from csl-arm-branch.
7038 2005-03-14 Julian Brown <julian@codesourcery.com>
7039 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7040 (aeabi_llsl): Likewise.
7041 (ashrdi3): Likewise.
7042 (aeabi_lasr): Likewise.
7043 (lshrdi3): Likewise.
7044 (aeabi_llsr): Likewise.
7045 2005-03-10 Julian Brown <julian@codesourcery.com>
7046 * config.gcc: Disable shared libgcc for SymbianOS.
7047 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7049 2006-01-18 DJ Delorie <dj@redhat.com>
7051 * c-pragma.c (handle_pragma_diagnostic): New.
7052 (init_pragma): Register it.
7053 * doc/extend.texi: Document it.
7055 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7056 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7057 (diagnostic_context): Add classify_diagnostic[].
7058 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7059 as errors if they're overridden to DK_WARNING.
7060 (diagnostic_initialize): Initialize classify_diagnostic[].
7061 (diagnostic_set_kind_override): New.
7062 (diagnostic_report_diagnostic): Check for kind changes.
7063 * opts.c (common_handle_option): Take lang_mask. Update callers.
7065 * common.opt (Werror=): New.
7066 * doc/invoke.texi: Document -Werror=*
7068 2006-01-18 Jeff Law <law@redhat.com>
7070 * tree-vrp.c (test_for_singularity): Correct test for new
7071 min limit. Use operand_equal_p rather than pointer equality
7072 for testing if new min/max values are equal.
7074 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7075 using range information until after propagation and folding.
7077 2006-01-18 Richard Henderson <rth@redhat.com>
7078 Aldy Hernandez <aldyh@redhat.com>
7079 Jakub Jelinek <jakub@redhat.com>
7080 Diego Novillo <dnovillo@redhat.com>
7082 * omp-low.c: New file.
7083 * c-omp.c: New file.
7085 2006-01-18 Richard Henderson <rth@redhat.com>
7086 Jakub Jelinek <jakub@redhat.com>
7087 Diego Novillo <dnovillo@redhat.com>
7089 * doc/invoke.texi: Document -fopenmp.
7090 * tree-dump.h (debug_function): Declare.
7091 * hooks.c (hook_bool_tree_bool_false): New function.
7092 (hook_tree_tree_null): Remove.
7093 (hook_tree_tree_tree_null): New.
7094 * hooks.h: Update to match.
7095 * tree-pretty-print.c (debug_tree_chain): New.
7096 (print_generic_expr): Handle TDF_CHAIN.
7097 (dump_generic_node): Handle BLOCK.
7098 Do not abort with incomplete SWITCH_EXPRs.
7099 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7100 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7101 print space after directive name.
7102 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7103 Handle OMP_MASTER and OMP_ORDERED.
7104 Handle printing of OMP_BODY just in one place, goto
7105 dump_omp_body in the rest of OMP_* nodes that have
7107 Don't handle clause nodes here. Update omp statements to
7108 use dump_omp_clauses.
7109 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7110 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7111 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7112 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7113 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7114 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7115 Adjust output for GOMP_PARALLEL.
7116 (dump_omp_clauses): New.
7117 (print_declaration): Dump DECL_VALUE_EXPR.
7118 (op_symbol_1): Split out of op_symbol.
7119 (dumping_stmts): Remove. Update all users.
7120 * cgraph.c (cgraph_analyze_queue): New.
7121 (cgraph_add_new_function): New.
7122 * cgraph.h (cgraph_analyze_queue): Declare.
7123 (cgraph_add_new_function): Declare.
7124 (cgraph_lower_function): Remove.
7125 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7126 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7127 and TYPE_P nodes in its default clause.
7128 (empty_body_p): New.
7129 (tree_range_check_failed): New.
7131 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7132 OMP_CLAUSE_REDUCTION_MERGE,
7133 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7134 OMP_CLAUSE_PRIVATE_DEBUG,
7135 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7136 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7137 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7138 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7139 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7140 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7141 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7142 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7143 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7144 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7145 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7146 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7147 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7148 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7149 (TREE_RANGE_CHECK): New.
7150 (empty_body_p): Declare.
7151 (enum omp_clause_default_kind): New.
7152 (build_string_literal): Declare.
7153 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7154 (build5_stat, build5): Declare.
7155 * tree-pass.h (TDF_CHAIN): Define.
7156 * tree-pass.h (PROP_gimple_lomp): Define.
7157 (pass_lower_omp): Declare.
7158 * diagnostic.h (debug_tree_chain): Declare.
7159 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7161 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7162 * builtins.c (build_string_literal): Make extern.
7163 * gcc.c (include_spec_function): New.
7164 (static_spec_functions): Add it.
7165 (main): Move load of libgomp.spec ...
7166 (LINK_COMMAND_SPEC): ... here.
7167 (link_gomp_spec): New.
7168 (static_specs): Include it.
7169 (LINK_COMMAND_SPEC): Add link_gomp.
7170 (GOMP_SELF_SPECS): New.
7171 (driver_self_specs): Include it.
7172 (switch_matches): Don't mark inline.
7173 (main): Load libgomp.spec.
7174 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7175 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7176 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7177 * tree-gimple.h (enum omp_parallel): Declare.
7178 (determine_parallel_type): Declare.
7179 (omp_firstprivatize_variable): Declare.
7180 (omp_reduction_init): Declare.
7181 (diagnose_omp_structured_block_errors): Declare.
7182 (struct walk_stmt_info): Add want_return_expr.
7183 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7184 (find_omp_clause): Declare.
7185 (insert_field_into_struct): Declare.
7186 (struct walk_stmt_info): Move from tree-nested.c
7187 (walk_stmts): Declare.
7188 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7190 * cgraphunit.c (cgraph_lower_function): Make static.
7191 (cgraph_finalize_pending_functions): New.
7192 (cgraph_finalize_function): Call it.
7193 (cgraph_finalize_compilation_unit): Likewise.
7194 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7195 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7196 (BT_FN_UINT_UINT): New.
7197 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7198 DEF_FUNCTION_TYPE_VAR_4): Document.
7199 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7200 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7201 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7202 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7203 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7204 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7205 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7206 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7207 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7208 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7209 into separate files.
7210 (DEF_GOMP_BUILTIN): New.
7211 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7212 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7213 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7214 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7215 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7216 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7217 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7218 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7219 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7220 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7221 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7222 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7223 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7224 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7225 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7226 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7227 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7228 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7229 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7230 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7231 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7232 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7233 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7234 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7235 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7236 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7237 * sync-builtins.def: New file, moved from builtins.def.
7238 * omp-builtins.def: New file, moved from builtins.def.
7239 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7240 * gimple-low.c (lower_function_body): Clear data.
7241 (lower_stmt): Do not handle COMPOUND_EXPR.
7242 Remove call to print_node_brief.
7243 * c-tree.h (c_finish_omp_clauses): New prototype.
7244 (C_DECL_THREADPRIVATE_P): Define.
7245 (lookup_name_no_remap, c_omp_remap_private): Remove
7246 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7247 (check_for_loop_decls): Update decl.
7248 (lookup_name_no_remap, c_omp_remap_private): Declare.
7249 (build_indirect_ref, build_modify_expr, pushdecl,
7250 pushdecl_top_level): Move to c-common.h.
7251 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7252 before the switch, but just in the 2 places that need it.
7253 * c-decl.c (diagnose_mismatched_decls): Do not check for
7254 mismatched thread-local attributes when OLDDECL is marked
7255 threadprivate and NEWDECL has no thread-local attributes.
7256 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7257 (c_gimple_diagnostics_recursively): Rename from
7258 c_warn_unused_result_recursively. Invoke
7259 diagnose_omp_structured_block_errors.
7260 (check_for_loop_decls): Return a singular decl found.
7261 * langhooks.c (lhd_omp_predetermined_sharing): Return
7262 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7263 (lhd_omp_firstprivatize_type_sizes): New.
7264 (lhd_omp_assignment): New.
7265 (lhd_omp_predetermined_sharing): New.
7266 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7267 (struct lang_hooks_for_types): Add
7268 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7269 omp_predetermined_sharing, omp_disregard_value_expr,
7270 omp_private_debug_clause, omp_clause_default_ctor,
7271 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7272 (c_finish_omp_clauses): New.
7273 (c_finish_bc_stmt): Diagnose break within omp for.
7274 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7275 (build_unary_op): Return error_mark after reporting
7277 (build_modify_expr): Likewise.
7278 * gimplify.c: Include optabs.h and pointer-set.h.
7279 (enum gimplify_omp_var_data): Declare.
7280 (struct gimplify_omp_ctx): Declare.
7281 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7283 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7284 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7285 (splay_tree_compare_decl_uid): New.
7286 (new_omp_context): New.
7287 (delete_omp_context): New.
7288 (gimple_add_tmp_var): Call omp_add_variable.
7289 (gimplify_bind_expr): Likewise.
7290 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7291 true, disregard DECL_VALUE_EXPR on the decl if any.
7292 (gimplify_expr_in_ctx): New.
7293 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7294 omp_add_variable, omp_notice_variable, omp_is_private
7295 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7296 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7297 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7298 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7299 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7300 gimplify_omp_atomic): New.
7301 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7302 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7303 OMP_CRITICAL and OMP_ATOMIC.
7304 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7305 * c-pragma.h (enum pragma_kind): Add
7306 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7307 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7308 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7309 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7310 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7311 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7312 PRAGMA_OMP_THREADPRIVATE.
7313 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7314 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7315 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7316 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7317 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7318 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7319 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7320 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7321 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7322 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7323 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7324 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7325 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7327 (struct nesting_info): Add field_map,
7328 suppress_expansion, debug_var_chain.
7329 (create_nesting_tree): Initialize them.
7330 (lookup_field_for_decl): Use field_map.
7331 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7332 (convert_local_omp_clauses): New.
7333 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7334 (walk_body): Split out of walk_function.
7335 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7336 (convert_nonlocal_reference): Handle omp statements.
7337 (convert_local_reference): Likewise.
7338 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7339 (unnest_nesting_tree): New.
7340 (lower_nested_functions): Call it.
7341 (insert_field_into_struct): Make extern.
7342 (struct walk_stmt_info): Move to tree-gimple.h.
7343 (walk_stmts): Make extern.
7344 * omp-builtins.def: New file.
7345 * tree-iterator.c (expr_only): Clarify comment.
7346 * c-common.h (pushdecl_top_level, pushdecl,
7347 build_modify_expr, build_indirect_ref,
7348 c_finish_omp_master, c_finish_omp_critical,
7349 c_finish_omp_ordered, c_finish_omp_barrier,
7350 c_finish_omp_atomic, c_finish_omp_flush,
7351 c_finish_omp_for, c_split_parallel_clauses,
7352 omp_clause_default_kind, c_omp_sharing_predetermined,
7353 c_omp_remap_decl): Declare.
7354 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7355 (OBJS-common): Add omp-low.o.
7356 (c-omp.o, omp-low.o): Add.
7357 (gimplify.o): Add dependency on $(OPTABS_H).
7358 (GTFILES): Add omp-low.c.
7359 (gt-stringpool.h): Add.
7360 * tree-cfg.c (set_bb_for_stmt): Do not update the
7361 block-to-labels map if we are currently expanding to RTL.
7362 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7364 Handle IDENTIFIER_NODE.
7365 (tree_verify_flow_info): Do not ICE when emitting error
7366 messages about invalid labels.
7367 (dump_function_to_file): Reset CFUN before emitting the body
7369 (debug_function): New.
7370 * passes.c (init_optimization_passes): Schedule
7372 * langhooks-def.h (lhd_omp_predetermined_sharing,
7373 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7375 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7376 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7377 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7378 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7379 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7380 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7381 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7382 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7383 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7384 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7385 (LANG_HOOK_DECLS): Use them.
7387 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7388 Richard Henderson <rth@redhat.com>
7389 Jakub Jelinek <jakub@redhat.com>
7390 Diego Novillo <dnovillo@redhat.com>
7392 * c-parser.c (pragma_omp_clause): Define.
7393 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7394 (c_parser_compound_statement): Likewise.
7395 (c_parser_statement): Likewise.
7396 (c_parser_pragma): Handle omp pragmas.
7397 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7398 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7399 (c_parser_omp_clause_name, check_no_duplicate_clause,
7400 c_parser_omp_variable_list,
7401 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7402 c_parser_omp_clause_copyprivate,
7403 c_parser_omp_clause_default,
7404 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7405 c_parser_omp_clause_lastprivate,
7406 c_parser_omp_clause_nowait,
7407 c_parser_omp_clause_num_threads,
7408 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7409 c_parser_omp_clause_reduction,
7410 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7411 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7412 c_parser_omp_atomic, c_parser_omp_barrier,
7413 c_parser_omp_critical, c_parser_omp_flush,
7414 c_parser_omp_for_loop, c_parser_omp_for,
7415 c_parser_omp_master, c_parser_omp_ordered,
7416 c_parser_omp_sections_scope, c_parser_omp_sections,
7417 c_parser_omp_parallel, c_parser_omp_single,
7418 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7419 * c-pragma.c (init_pragma): Do omp pragma registration here.
7420 * c.opt (fopenmp): New flag.
7422 2006-01-18 Eric Christopher <echristo@apple.com>
7424 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7425 * config/darwin.h (GOMP_SELF_SPECS): Define.
7427 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7429 * rtl.h: Remove the prototype for reg_alloc.
7431 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7434 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7435 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7436 sjlj and dwarf2 exception handling.
7437 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7438 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7439 * pa/pa.c (function_value): Treat complex and vector types as
7441 (function_arg): Likewise. Only pass scalar floats in the floating
7442 point argument registers.
7443 * pa/t-slibgcc-dwarf-ver: New file.
7444 * pa/t-slibgcc-sjlj-ver: New file.
7445 * pa/t-slibgcc-elf-ver: Delete file.
7447 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7449 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7450 unlikely_test_section_p test.
7452 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7454 * mode-switching.c (optimize_mode_switching): Make it static.
7455 * basic-block.h: Remove the prototype for
7456 optimize_mode_switching.
7458 * modulo-sched.c (sms_schedule): Make it static.
7459 * rtl.h: Remove the prototype for sms_schedule.
7461 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7462 * rtl.h: Remove the prototype for gcse_after_reload_main.
7464 * reg-stack.c (reg_to_stack): Make it static.
7465 * rtl.h: Remove the prototype for reg_to_stack.
7467 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7469 * rtl.h: Remove the prototypes for regrename_optimize and
7470 copyprop_hardreg_forward.
7472 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7474 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7475 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7476 Test against the appropriate null constant for the mode.
7477 If 'fixup_overlap' is true, swap the operands if they overlap.
7478 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7479 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7480 alpha_split_tmode_pair and adjust for above change.
7481 * config/alpha/alpha.md (movtf_internal): Adjust call to
7482 alpha_split_tfmode_pair and rely on it to swap the operands.
7483 (movti_internal): New insn and post-reload splitter.
7484 (movti): New expander.
7486 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7488 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7491 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7493 * rtlanal.c (global_reg_mentioned_p_1,
7494 global_reg_mentioned_p): Remove.
7495 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7497 * flow.c (initialize_uninitialized_subregs): Make it static.
7498 * rtl.h: Remove the prototype for
7499 initialize_uninitialized_subregs.
7501 * function.c (instantiate_virtual_regs): Make it static.
7502 * function.h: Remove the prototype for
7503 instantiate_virtual_regs.
7505 * regmove.c (regmove_optimize, combine_stack_adjustments):
7507 * rtl.h: Remove the prototypes for regmove_optimize and
7508 combine_stack_adjustments.
7510 2006-01-17 Roger Sayle <roger@eyesopen.com>
7512 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7513 (size_cost): Encode costs in bytes so that a reg-reg addition is
7514 equivalent to COSTS_N_INSNS(1).
7515 (override_options): Use the size_cost.branch_cost as the default
7516 ix86_branch_cost when optimizing for size.
7518 2006-01-18 Ben Elliston <bje@au.ibm.com>
7520 * Makefile.in (D32PBIT_FUNCS): New.
7521 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7522 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7523 D64PBIT_FUNCS and D128PBIT_FUNCS.
7524 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7525 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7527 (decnumber_dep): Define.
7528 * doc/libgcc.texi (Decimal float library routines): New node.
7529 * config/dfp-bit.h, config/dfp-bit.c: New files.
7531 2006-01-18 Ben Elliston <bje@au.ibm.com>
7533 * expr.c (emit_move_change_mode): Always adjust addresses, not
7534 just during reload. Copy replacements only during reload.
7535 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
7536 emit_move_via_integer.
7538 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
7540 * Makefile.in (check-%, check-consistency): Use $${srcdir}
7541 instead of $(srcdir) and ${srcdir}.
7543 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
7547 * arm.h (struct machine_function): Add pic_reg.
7548 * arm.c (arm_pic_register): Make unsigned.
7549 (arm_override_options): Only set arm_pic_register if
7550 TARGET_SINGLE_PIC_BASE.
7551 (use_return_insn): Only test for a pic register if it is fixed.
7552 (arm_compute_save_reg0_reg12_mask): Likewise.
7553 (thumb_compute_save_reg_mask): Likewise.
7554 (legitimate_pic_operand): Factor out some known invariants.
7555 (legitimize_pic_address): If we don't have a fixed pic register,
7556 then set up a pseudo in the function entry sequence. Handle the
7557 pic base being in a pseudo.
7558 (arm_load_pic_register): Handle the pic register being in a pseudo.
7559 (arm_expand_prologue): Only set up the pic register if it is fixed.
7560 (thumb_expand_prologue): Likewise.
7561 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
7562 (pic_load_addr_based_insn): Likewise.
7563 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
7566 2006-01-18 Ben Elliston <bje@au.ibm.com>
7568 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
7569 decimal float modes for all floating point registers.
7571 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
7572 match_code "mem" with match_test "macho_lo_sum_memory_operand".
7574 2006-01-17 Jakub Jelinek <jakub@redhat.com>
7577 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
7578 even when the pointer is not NULL.
7580 2006-01-16 Ian Lance Taylor <ian@airs.com>
7582 * common.opt (ftoplevel-reorder): New option.
7583 * cgraph.c (cgraph_asm_nodes): New global variable.
7584 (cgraph_asm_last_node): New static variable.
7585 (cgraph_order): New global variable.
7586 (cgraph_create_node): Set new order field.
7587 (cgraph_varpool_node): Likewise.
7588 (decide_is_variable_needed): Return true if not
7589 flag_toplevel_reorder.
7590 (cgraph_add_asm_node): New function.
7591 * cgraph.h (struct cgraph_node): Add order field.
7592 (struct cgraph_varpool_node): Add order field.
7593 (struct cgraph_asm_node): Define.
7594 (cgraph_asm_nodes, cgraph_order): Declare.
7595 (cgraph_add_asm_node): Declare.
7596 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
7598 (cgraph_varpool_assemble_pending_decls): Call it.
7599 (cgraph_output_pending_asms): New static function.
7600 (cgraph_finalize_compilation_unit): Call it.
7601 (struct cgraph_order_sort): Define.
7602 (cgraph_output_in_order): New static function.
7603 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
7604 !flag_toplevel_reorder case.
7605 * c-parser.c: Include "cgraph.h".
7606 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
7608 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
7609 than -fno-unit-at-a-time.
7610 * doc/invoke.texi (Option Summary): Mention
7611 -fno-toplevel-reorder.
7612 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
7613 -funit-at-a-time documentation.
7615 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
7616 Kazu Hirata <kazu@codesourcery.com>
7618 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
7620 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
7622 * Makefile.in (FUNCTION_H): New. Use it instead of
7623 function.h throughout the file.
7624 * function.h: Include tree.h.
7626 2006-01-17 Ben Elliston <bje@au.ibm.com>
7628 * recog.c: Separate some functions with whitespace.
7630 2006-01-16 Richard Henderson <rth@redhat.com>
7632 Merge from gomp branch:
7633 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
7634 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
7635 and rename from struct inline_data. Rename callee* to dst*;
7636 caller* to src*; add copy_decl hook, transform_call_graph_edges,
7637 transform_new_cfg, transform_return_to_modify, and
7638 transform_lang_insert_block flags; remove cloning_p, versioning_p,
7640 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
7641 (copy_decl_for_dup): Remove.
7642 * tree-inline.c (struct inline_data): Move to header.
7643 (insert_decl_map): Export.
7644 (remap_decl): Update for member name changes. Use copy_decl hook.
7645 Allow for replacement to be a non-decl. Remove dead code.
7646 (remap_type_1): Check for existing mapping.
7647 (remap_type): Export.
7648 (remap_decls): Update for member name changes.
7649 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
7650 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
7651 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
7652 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
7653 (tree_function_versioning, build_duplicate_type): Likewise.
7654 (copy_body_r): Likewise. Export.
7655 (copy_decl_for_dup): Split into ...
7656 (copy_decl_for_dup_finish, copy_decl_to_var,
7657 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
7658 (replace_ref_tree, inlining_p): Remove.
7660 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7662 * ifcvt.c (if_convert): Make it static.
7663 * rtl.h: Remove the prototype for if_convert.
7665 * local-alloc.c (local_alloc): Make it static.
7666 * rtl.h: Remove the prototype for local_alloc.
7668 * loop.c (loop_optimize): Make it static.
7669 * cfgloop.h: Remove the prototype for loop_optimize.
7672 2006-01-16 DJ Delorie <dj@redhat.com>
7674 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
7677 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7679 * pa.md: Disparage copies between general and floating-point registers
7680 in 32-bit move patterns.
7682 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
7685 * Makefile.in (check-%): Depend on site.exp instead of
7686 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
7689 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7691 * global.c (global_alloc): Make it static.
7692 * rtl.h: Remove the prototype for global_alloc.
7694 2006-01-16 Richard Guenther <rguenther@suse.de>
7696 * tree-ssa-alias.c (struct used_part): Add write_only field.
7697 (get_or_create_used_part_for): Initialize it to true.
7698 (create_overlap_variables_for): Don't create structure variables
7699 for structures that only are written to.
7700 (find_used_portions): Handle MODIFY_EXPR to track whether a
7701 structure is only written to.
7703 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7705 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
7707 * basic-block.h: Remove the prototype for
7708 partition_hot_cold_basic_blocks.
7710 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
7712 * cppspec.c (lang_specific_spec_functions): Remove.
7713 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
7714 * gcc.h (lang_specific_spec_functions): Remove.
7715 * gccspec.c (lang_specific_spec_functions): Remove.
7717 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
7719 * combine.c (record_value_for_reg): Invalidate registers
7721 (record_dead_and_set_regs_1): Likewise, by passing them to
7722 record_value_for_reg.
7723 (record_dead_and_set_regs): Invalidate stores made by a
7724 call. We do not combine across a call, but we still
7725 relied on equivalences.
7727 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7729 * tree-vrp.c (extract_range_from_binary_expr): Cope with
7730 vrp_int_const_binop returning non-constant nodes.
7732 2006-01-16 Paul Brook <paul@codesourcery.com>
7734 * config/m68k/m68k.c (output_move_const_into_data_reg):
7735 Output correct mnemonic for mvz and mvs.
7737 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
7739 * rtl-factoring.c: Add sequence abstraction algorithm.
7740 * cfgcleanup.c (outgoing_edges_match): Extra checks.
7741 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
7743 (block_has_preserve_label): New function.
7744 * common.opt: Register new pass.
7745 * Makefile.in: Ditto.
7747 * timevar.def: Ditto.
7748 * tree-pass.h: Ditto.
7749 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
7750 * rtl.h (make_jump_insn_raw): Add forward decl.
7751 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
7753 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7754 Roger Sayle <roger@eyesopen.com>
7756 * fold-const.c (fold_minmax): New static function.
7757 (fold_binary) <MIN_EXPR>: Call it.
7758 <MAX_EXPR>: Likewise.
7759 * stor-layout.c (place_field): Use DECL_SIZE consistently
7760 in the computation of the new record size.
7762 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7764 * cse.c (cse_condition_code_reg): Make it static.
7765 * rtl.h: Remove the prototype for cse_condition_code_reg.
7767 * combine.c (combine_instructions): Make it static.
7768 * rtl.h: Remove the prototype for combine_instructions.
7770 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7773 * tree.c (get_file_function_name_long): Concatenate the first global
7774 object name with a string derived from the input filename of the object
7777 2006-01-16 Ben Elliston <bje@au.ibm.com>
7779 * config/i386/winnt-stubs.c: Update FSF address.
7780 * config/xtensa/ieee754-df.S: Ditto.
7781 * config/xtensa/ieee754-sf.S: Ditto.
7783 2006-01-14 Ian Lance Taylor <ian@airs.com>
7785 * ifcvt.c (noce_init_if_info): New static function, broken out of
7786 noce_process_if_block.
7787 (noce_process_if_block): Call noce_init_if_info.
7788 (check_cond_move_block): New static function.
7789 (cond_move_process_if_block): New static function.
7790 (process_if_block): Call cond_move_process_if_block.
7792 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
7794 * cselib.c (hash_table): Rename to cselib_hash_table.
7795 (cselib_clear_table, discard_useless_values,
7796 remove_useless_values, cselib_lookup_mem, cselib_lookup,
7797 cselib_init, cselib_finish): Adjust uses of hash_table.
7799 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
7801 PR tree-optimization/25485
7802 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
7803 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
7804 is known to be false and true, respectively.
7806 2006-01-14 Richard Guenther <rguenther@suse.de>
7808 PR tree-optimization/22548
7809 PR tree-optimization/22555
7810 PR tree-optimization/22501
7811 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
7812 * params.def (salias-max-array-elements): New parameter.
7813 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
7814 * doc/invoke.texi (salias-max-array-elements): Document.
7815 * tree-flow-inline.h (var_can_have_subvars): We also handle
7817 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
7819 * tree-ssa-structalias.c (params.h): Include.
7820 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
7821 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
7822 (get_constraint_for): For ADDR_EXPR operating on something
7823 containing an ARRAY_REF, add all subvars to the solution.
7824 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
7825 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
7826 for creating MUST_DEFs.
7827 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
7829 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7831 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
7833 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
7834 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7835 number_of_iterations_le): New functions.
7836 (number_of_iterations_special): Removed.
7837 (number_of_iterations_exit): Do not use number_of_iterations_special.
7838 * tree.c (unsigned_type_for): Always return integer type.
7840 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
7841 Richard Guenther <rguenther@suse.de>
7843 PR rtl-optimization/24257
7844 * gcse.c (find_moveable_store): Only consider a store movable
7845 when the SET_SRC of the insn can be assigned to a register.
7847 2006-01-14 Ian Lance Taylor <ian@airs.com>
7849 * tree.c (tree_not_class_check_failed): New function.
7850 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
7851 (tree_not_class_check_failed): Declare.
7853 2006-01-13 Ian Lance Taylor <ian@airs.com>
7855 * reload1.c (do_output_reload): Add assertion rejecting a
7858 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
7860 * combine.c (struct reg_stat): Add new fields truncation_label and
7862 (record_value_for_reg): Reset truncated_to_mode.
7863 (record_truncated_value): New function.
7864 (check_promoted_subreg): Call it. Rename to check_conversions.
7865 (combine_instructions): Rename check_promoted_subreg to
7867 (reg_truncated_to_mode): New function.
7868 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
7869 (gen_lowpart_or_truncate): New function.
7870 (force_to_mode): Use it instead of gen_lowpart.
7872 2006-01-13 Diego Novillo <dnovillo@redhat.com>
7874 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
7875 VAR is a tag, not its type tag.
7877 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
7879 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
7880 alternatives to match style of other entries.
7881 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
7883 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
7885 PR tree-optimization/25771
7886 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
7889 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
7892 * tree-inline.c (declare_return_variable): If the return variable
7893 was marked as a non gimple complex, set the return slot variable
7894 to be a non gimple comple variable.
7896 2006-01-13 Richard Guenther <rguenther@suse.de>
7898 * builtins.c (expand_builtin_sincos): New function.
7899 (expand_builtin_mathfn_3): Remove dead code, sin and cos
7901 (expand_builtin): Expand sincos using expand_builtin_sincos.
7903 2006-01-12 DJ Delorie <dj@redhat.com>
7905 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
7906 shift counts, separate SI shifts for m32c vs m16c, pass shift type
7907 so that constant shifts can be split.
7908 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
7909 (m32c_valid_pointer_mode): Make static.
7910 (shift_gen_func_for): New.
7911 (m32c_prepare_shift): Use it. Split large const shifts into
7913 * config/m32c/predicates.md (shiftcount_operand): Allow more
7915 (longshiftcount_operand): New.
7916 * doc/md.texi (Machine Constraints): Document In6.
7918 2006-01-13 Ben Elliston <bje@au.ibm.com>
7920 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
7921 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
7924 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
7926 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
7927 to try to avoid clobbering pieces of structures when we know
7928 something about the whole structure.
7929 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
7931 2006-01-13 Ben Elliston <bje@au.ibm.com>
7933 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
7934 return in memory, as this is no limitation is no longer present.
7936 2006-01-12 DJ Delorie <dj@redhat.com>
7938 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
7939 mova with fb, and for fb+0 -> An.
7941 * config/m32c/mov.md (peephole2): Fix enabling logic.
7943 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7944 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
7945 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
7946 FINI_ARRAY_SECTION_ASM_OP): Define.
7948 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
7950 (m32c_legitimize_reload_address): New logic to reload FB to An.
7951 (m32c_output_reg_push): Add newline.
7952 (m32c_output_reg_pop): Likewise.
7954 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
7956 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
7958 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
7960 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7962 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7964 * config/sh/predicates.md (sh_rep_vec): Add parallel to
7967 2006-01-11 Ben Elliston <bje@au.ibm.com>
7969 * rtlanal.c (find_reg_note): Assert insn is not null.
7971 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7973 * df-scan.c (df_hard_reg_init): Move declaration of i outside
7976 2006-01-11 Jeff Law <law@redhat.com>
7978 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
7980 (mark_threaded_blocks, register_jump_thread): New functions.
7981 (thread_through_all_blocks): Remove unwanted argument. No
7982 longer rely on e->aux to communicate thread target info.
7983 Call mark_threaded_blocks. Release the threaded_blocks
7984 bitmap and threaded_edges vector when complete.
7985 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
7986 (threaded_blocks): Remove.
7987 (tree_ssa_dominator_optimize): Remove initialization and
7988 finalization of threaded_blocks. Simplify call to
7989 thread_through_all_blocks.
7990 (thread_across_edge): Call register_jump_thread rather than
7991 storing thread information into e->aux.
7992 (free_all_edge_infos): Simplify now that e->aux is no longer
7993 used to communicate with thread_through_all_blocks.
7994 * tree-flow.h (thread_through_all_blocks): Update prototype.
7995 (register_jump_thread): Prototype.
7997 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7999 * df-core.c (df_compact_blocks, df_bb_replace): Use
8000 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8002 2006-01-11 Richard Guenther <rguenther@suse.de>
8004 PR tree-optimization/25734
8005 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8006 stop propagation after successful propagation to the LHS.
8008 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8010 * basic-block.h (control_flow_graph): Change the type of
8011 x_basic_block_info to VEC(basic_block,gc) *.
8012 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8014 (SET_BASIC_BLOCK): New.
8015 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8016 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8017 * cfgbuild.c (find_basic_blocks): Likewise.
8018 * cfglayout.c (fixup_reorder_chain): Likewise.
8019 * cfgrtl.c (create_basic_block_structure,
8020 rtl_create_basic_block): Likewise.
8021 * ifcvt.c (find_if_case_1): Likewise.
8022 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8025 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8027 * Makefile.in: Removed rotted odf.c entry.
8029 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8032 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8033 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8034 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8035 output pattern modifier, not %e.
8036 * config/cris/cris.c (cris_op_str): Update comment about pattern
8038 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8039 before falling through into...
8040 <case 'E'>: Redefined from old 'e' case.
8042 2006-01-11 Jan Hubicka <jh@suse.cz>
8045 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8047 2006-01-11 Jan Hubicka <jh@suse.cz>
8049 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8050 * i386.c (x86_decompose_lea): Kill.
8051 (ix86_rtx_costs): Kill.
8053 2006-01-11 Jan Hubicka <jh@suse.cz>
8055 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8056 * cgraph.h (cgraph_node): Add inline_decl.
8057 (cgraph_insert_node_to_hashtable): Declare.
8058 (save_inline_function_body): Declare.
8059 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8061 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8062 (cgraph_function_versioning): Update call of tree_function_versioning.
8063 (save_inline_function_body): New function.
8064 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8065 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8066 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8067 (cgraph_default_inline_p): Likewise.
8068 (cgraph_decide_inlining_incrementally): Likewise.
8069 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8070 (copy_bb): Kill saving; do updating of clones.
8071 (copy_cfg_body): Kill saving.
8072 (initialize_inlined-parameters): Likewise.
8073 (expand_call_inline): Likewise.
8075 (tree_function_versioning): New parameter "update_clones".
8076 (inlining_p): Kill saving.
8077 * tree-inline.h (tree_function_versioning): Update prototype.
8078 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8081 2006-01-11 Ian Lance Taylor <ian@airs.com>
8083 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8084 Allow undoing set of machine mode.
8085 (do_SUBST): Use enums instead of is_int.
8086 (do_SUBST_MODE): New function.
8087 (SUBST_MODE): New macro.
8088 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8089 reg and trying to replace reg_regno_rtx with a new register.
8090 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8091 (simplify_set): Use SUBST_MODE.
8092 (distribute_notes): Remove code that tried to update reg notes
8093 for regno_reg_rtx changes.
8095 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8097 PR tree-optimization/23109
8098 PR tree-optimization/23948
8099 PR tree-optimization/24123
8101 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8102 * tree-cfg.c (single_noncomplex_succ): New.
8103 * tree-flow.h (single_noncomplex_succ): Declare it.
8104 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8105 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8106 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8107 insert_bb, register_division_in, insert_reciprocals,
8108 replace_reciprocal, free_bb): New.
8109 (execute_cse_reciprocals_1): Rewritten.
8110 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8111 Do not commit any edge insertion. Always compute dominators and
8112 create the allocation pool.
8113 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8114 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8115 * targhooks.c (default_min_divistions_for_recip_mul): New.
8116 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8117 * passes.c (init_optimization_passes): Run recip after tree loop
8119 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8121 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8122 Kenneth Zadeck <zadeck@naturalbridge.com>
8124 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8125 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8126 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8127 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8128 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8129 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8130 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8131 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8132 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8133 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8134 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8135 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8136 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8137 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8138 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8139 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8140 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8141 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8142 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8143 DF_SCAN_POST_ALLOC): New macros.
8144 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8145 df_free_bb_function, df_local_compute_function, df_init_function,
8146 df_dataflow_function, df_confluence_function_0,
8147 df_confluence_function_n, df_transfer_function,
8148 df_finalizer_function, df_free_function, df_dump_problem_function,
8149 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8150 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8151 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8152 df_urec_bb_info, ) New types.
8153 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8155 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8156 df_analyze_simple_change_some_blocks,
8157 df_analyze_simple_change_one_block, df_compact_blocks,
8158 df_bb_replace, df_bb_regno_last_use_find,
8159 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8160 df_insn_regno_def_p, df_find_def, df_find_use,
8161 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8162 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8163 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8164 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8165 debug_df_chain, df_get_dependent_problem, df_chain_create,
8166 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8167 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8168 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8169 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8170 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8171 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8172 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8173 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8174 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8175 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8176 df_reorganize_refs, df_set_state, df_hard_reg_init,
8177 df_read_modify_subreg_p) New public functions.
8178 * df-core.c: The core dataflow solver and glue routines for rtl
8180 (df_init, df_add_problem, df_set_blocks, df_finish,
8181 df_hybrid_search_forward, df_hybrid_search_backward,
8182 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8183 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8184 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8185 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8186 df_reg_defined, df_find_use, df_reg_used, df_dump,
8187 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8188 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8189 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8190 debug_df_useno, reset_df_after_reload): New functions.
8191 * df-scan.c: The scanning fuctions, once in df.c, completely
8192 rewritten so that they now fully model the functionality of
8193 register usage at the backend.
8194 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8195 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8196 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8197 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8198 df_get_artificial_defs, df_get_artificial_uses,
8199 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8200 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8201 df_refs_delete, df_reorganize_refs, df_set_state,
8202 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8203 df_def_record_1, df_defs_record, df_uses_record,
8204 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8205 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8206 df_record_exit_block_uses, df_hard_reg_init): New functions.
8208 * df-problems.c: Seven concrete dataflow problems that use the
8209 scanning in df-scan.c and are solved by the engine in df-core.c.
8210 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8211 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8212 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8213 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8214 df_ru_free_bb_info, df_ru_alloc,
8215 df_ru_bb_local_compute_process_def,
8216 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8217 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8218 df_ru_transfer_function, df_ru_free, df_ru_dump,
8219 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8220 df_rd_free_bb_info, df_rd_alloc,
8221 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8222 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8223 df_rd_transfer_function, df_rd_free, df_rd_dump,
8224 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8225 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8226 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8227 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8228 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8229 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8230 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8231 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8232 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8233 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8234 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8235 df_urec_mark_reg_use_for_earlyclobber,
8236 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8237 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8238 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8239 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8240 df_chain_create_bb_process_use, df_chain_create_bb,
8241 df_chain_finalize, df_chain_free, df_chains_dump,
8242 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8243 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8244 df_reg_lifetime): New functions.
8245 * df.c: Deleted file.
8246 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8247 consistent with new df api.
8248 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8249 rest_of_handle_sms): Ditto.
8250 * web.c (unionfind_union, union_defs, entry_register, web_main):
8252 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8253 invariant_expr_equal_p, find_defs, check_dependencies,
8254 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8255 free_inv_motion_data, move_loop_invariants): Ditto.
8256 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8257 Update dependencies.
8258 (odf.c): Added defective entry that was deleted later in day.
8259 * sched-deps.c (sched_analyze_1): Ditto.
8261 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8263 * tree-ssa-operands.c (get_expr_operands): Record addressable
8264 variables directly. Do not call add_stmt_operands for CONST_DECLs
8266 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8267 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8269 2006-01-11 Ben Elliston <bje@au.ibm.com>
8271 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8272 function returns true in the positive case.
8274 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8277 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8278 for SI, DI, SF and DF modes. Add alternatives to copy between
8279 general and floating point registers to the 32-bit patterns.
8280 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8281 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8282 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8283 generating 64-bit code.
8284 * config/pa/pa.c (output_move_double): Handle copies between general
8285 and floating registers.
8287 2006-01-10 Stuart Hastings <stuart@apple.com>
8289 * config/i386/i386.md (set_got): Update.
8290 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8291 (builtin_setjmp_receiver): Mach-O support.
8292 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8293 (GOT_SYMBOL_NAME): Define.
8294 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8295 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8296 * config/i386/i386.c (override_options): Revise for Darwin.
8297 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8298 support. (darwin_x86_file_end): New. (output_set_got): Add label
8299 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8300 * config/i386/i386-protos.h (output_set_got): Likewise.
8301 * config/darwin.c (machopic_legitimize_pic_address): Update
8304 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8306 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8307 when MODE isn't BLKmode.
8309 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8311 PR rtl-optimization/25367
8312 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8314 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8317 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8318 for a negative bound.
8320 2006-01-10 Richard Guenther <rguenther@suse.de>
8322 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8323 Never override with anything constraint.
8325 2006-01-10 Jan Beulich <jbeulich@novell.com>
8327 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8328 256 bits when optimize_size.
8330 2006-01-10 Jan Beulich <jbeulich@novell.com>
8332 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8334 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8335 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8338 2006-01-10 Ben Elliston <bje@au.ibm.com>
8340 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8342 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8343 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8344 (USE_FP_FOR_ARG): Reject decimal float modes.
8345 (function_arg_advance): Likewise.
8346 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8347 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8348 point types in AltiVec vectors.
8349 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8350 (rs6000_libcall_value): Likewise.
8352 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8354 * config/xtensa/ieee754-df.S: New file.
8355 * config/xtensa/ieee754-sf.S: New file.
8356 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8357 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8358 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8360 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8362 * config/sh/predicates.md (binary_float_operator,
8363 binary_logical_operator, commutative_float_operator,
8364 equality_comparison_operator, greater_comparison_operator,
8365 less_comparison_operator, logical_operator,
8366 noncommutative_float_operator, shift_operator,
8367 symbol_ref_operand, unary_float_operator): Remove redundant
8370 2006-01-09 Jeff Law <law@redhat.com>
8372 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8373 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8374 now unused arguments. Callers updated.
8375 (eliminate_redundant_computations): Remove now unused arguments,
8377 (local_fold): Remove, no longer used.
8378 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8380 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8381 (simplify_cond): New function.
8382 (forward_propagate_into_cond): Call simplify_cond.
8384 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8386 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8387 (*vec_extractv2di_1_sse): New.
8389 2006-01-09 Ben Elliston <bje@au.ibm.com>
8391 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8393 2006-01-08 Richard Guenther <rguenther@suse.de>
8395 * tree-ssa-structalias.c (get_constraint_for): Remove
8397 (get_constraint_for_component_ref): Likewise.
8398 (do_deref): Likewise.
8399 (get_constraint_for): Likewise.
8400 (do_structure_copy): Likewise.
8401 (handle_ptr_arith): Likewise.
8402 (find_func_aliases): Likewise. Remove unused need_anyoffset
8405 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8406 Kaz Kojima <kkojima@gcc.gnu.org>
8408 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8409 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8410 (EXTRA_CONSTRAINT_C16): Remove.
8411 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8412 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8413 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8414 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8415 constants of SHmedia. Handle nested constant expressions of
8417 (andcosts): Fix the costs for SHmedia constants.
8418 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8419 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8420 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8421 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8422 (movv4hi_i, movv2si_i): Likewise.
8423 (movsi_const): Adjust the second operand of ior so to match with
8425 (movdi_const, movdi_const_32bit): Likewise.
8426 (movdi_const_16bit+1): Don't sign-extend LOW.
8427 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8429 (*double_shori): Fix the split condition. Use GEN_INT instead
8430 of get_int_mode calls. Mask lower 16-bit of the argument of
8432 (sym2GOTPLT): Remove.
8433 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8435 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8436 instead of EXTRA_CONSTRAINT_C16.
8438 2006-01-07 Ian Lance Taylor <ian@airs.com>
8439 David Edelsohn <edelsohn@gnu.org>
8441 PR rtl-optimization/25662
8442 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8443 for constant operands instead of simplify_gen_binary.
8444 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8445 after trying simplify_binary_operation
8447 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8449 * tree.c (iterative_hash_expr): Hash decls based on UID.
8451 2006-01-06 Eric Christopher <echristo@apple.com>
8453 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8454 (TARGET_UNWIND_EMIT): Fix spelling.
8455 * target.h (gcc_target): Add except_table_label.
8456 * except.c (output_function_exception_table): Use.
8457 * varasm.c (default_emit_except_table_label): New.
8458 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8460 (asm_out): Add here.
8461 * output.h (default_emit_except_table_label): Prototype.
8462 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8463 * config/darwin.c (darwin_emit_except_table_label): Define.
8464 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8466 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8468 PR tree-optimization/18527
8469 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8470 number_of_iterations_special, number_of_iterations_exit):
8471 Move base and step of an iv to a single structure. Add
8472 no_overflow flag, and use it in # of iterations analysis.
8473 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8474 folded_casts argument.
8475 (simple_iv): Pass base and step in a structure. Set no_overflow
8477 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8478 Evaluate expensiveness of computing # of iterations instead of
8479 the final expression.
8480 * tree-scalar-evolution.h (affine_iv): New structure.
8481 (simple_iv): Declaration changed.
8482 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8483 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8484 find_givs_in_stmt): Changed due to simple_iv change.
8486 2006-01-06 Jeff Law <law@redhat.com>
8489 * tree-cfg.c (bsi_replace): Rename final argument from
8490 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8491 change (stmt -> orig_stmt).
8492 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8493 (bsi_remove): Add new argument. Remove EH information
8495 (verify_eh_throw_table_statements): New function.
8496 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8498 * tree-optimize.c (execute_free_cfg_annotations): Verify
8499 the EH throw statement table after removing annotations.
8500 * except.h (verify_eh_throw_table_statements): Prototype.
8501 * tree-flow.h (bsi_remove): Update prototype.
8502 * tree-vrp.c (remove_range_assertions): Add new argument to
8504 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8505 * tree-complex.c (expand_complex_div_wide): Likewise.
8506 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8507 * tree-tailcall.c (eliminate_tailcall): Likewise.
8508 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8509 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8510 * tree-nrv.c (tree_nrv): Likewise.
8511 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8512 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8513 (combine_blocks): Likewise.
8514 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8515 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8516 (cleanup_control_flow): Likewise.
8517 (remove_forwarder_block): Likewise.
8518 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8519 * tree-sra.c (sra_replace): Likewise.
8520 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8521 (forward_propagate_single_use_vars): Likewise.
8522 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8523 * tree-inline.c (expand_call_inline): Likewise.
8524 * tree-vect-transform.c (vect_transform_loop): Likewise.
8525 * tree-outof-ssa.c (rewrite_trees): Likewise.
8526 * tree-cfg.c (make_goto_expr_edges): Likewise.
8527 (cleanup_dead_labels): Likewise.
8528 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8529 (bsi_move_before, bsi_move_after): Likewise.
8530 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
8531 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
8533 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
8536 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
8538 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
8539 on non gimple variables. Also add checks at the top for decls and
8541 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
8543 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
8544 and IMAGPART_EXPR for creating MUST_DEFs.
8545 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
8546 and NAME_MEMORY_TAG separately from the DECLs.
8548 2006-01-06 Richard Guenther <rguenther@suse.de>
8550 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
8551 annotation, if necessary.
8552 * tree-ssa-pre.c (create_expression_by_pieces): Remove
8553 redundant calls to update_stmt.
8554 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
8557 2006-01-05 Richard Henderson <rth@redhat.com>
8559 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
8561 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8563 * c-typeck.c: Update copyright date.
8565 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8567 * c-typeck.c (build_c_cast): Always warn when casting
8568 from a pointer to an integer of different size, even if
8569 the node was constant.
8571 2006-01-05 Richard Guenther <rguenther@suse.de>
8573 PR tree-optimization/22555
8574 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
8575 if one structure field is an array.
8576 * tree-ssa-operands.c (get_expr_operands): Continue scanning
8577 operands even if we found a subvar, but ignore VOPs in this
8579 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
8581 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
8583 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
8586 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
8588 2006-01-05 Richard Guenther <rguenther@suse.de>
8589 Diego Novillo <dnovillo@redhat.com>
8591 * tree-pass.h (TODO_remove_unused_locals): Define.
8592 * gimple-low.c (expand_var_p, remove_useless_vars,
8593 pass_remove_useless_vars): Remove. Update all users.
8594 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
8595 (remove_unused_locals): New function.
8596 * tree-flow.h (remove_unused_locals): Declare.
8597 * passes.c (execute_todo): Call remove_unused_locals if
8598 TODO_remove_unused_locals is set.
8599 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
8600 * tree-ssa-dce.c (pass_dce): Likewise.
8601 * tree-outof-ssa.c (pass_del_ssa): Likewise.
8603 2006-01-05 Richard Guenther <rguenther@suse.de>
8605 * tree-flow.h (struct fieldoff): Decompose field to
8606 type, size and decl.
8607 * tree-ssa-alias.c (create_sft): Take type as parameter.
8608 (create_overlap_variables_for): Store type, size and decl
8609 in the fieldoff structure.
8610 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
8612 (push_fields_onto_fieldstack): Likewise.
8613 (create_variable_info_for): Likewise. Use offset for the
8614 SFT name if the decl is not available.
8616 2006-01-04 Paul Brook <paul@codesourcery.com>
8618 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
8620 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
8622 * lambda-code.c (can_put_in_inner_loop): Relax
8624 (can_put_after_inner_loop): New function.
8625 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
8626 (perfect_nestify): Change to make copies and modify uses.
8628 2006-01-04 Richard Henderson <rth@redhat.com>
8630 Merge from gomp branch:
8631 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
8632 via integer constant.
8633 (pragma_lex): Remove.
8634 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
8635 rather than parsing it.
8636 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
8637 handle_pragma_extern_prefix): Add %< %> quotes.
8638 (registered_pragmas): New.
8639 (c_register_pragma_1): New.
8640 (c_register_pragma): Use it.
8641 (c_register_pragma_with_expansion): Likewise.
8642 (c_invoke_pragma_handler): New.
8643 (init_pragma): Use cpp_register_deferred_pragma directly for
8645 * c-pragma.h (enum pragma_kind): New.
8646 (pragma_handler): New.
8647 (c_invoke_pragma_handler): Declare.
8648 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
8650 * c-common.h (c_common_pch_pragma): Update decl.
8651 * Makefile.in (c-parser.o): Update dependencies.
8652 (GTFILES): Add c-pragma.h.
8653 * c-parser.c (struct c_token): Add pragma_kind.
8654 (struct c_parser): Add in_pragma.
8655 (c_lex_one_token): Always initialize keyword and pragma_kind.
8656 Extract data for CPP_PRAGMA.
8657 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
8658 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
8659 Don't allow CPP_PRAGMA_EOL if in_pragma.
8660 (c_parser_consume_pragma): New.
8661 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
8662 (c_parser_skip_to_end_of_parameter): Likewise.
8663 (c_parser_skip_to_end_of_block_or_statement): Likewise.
8664 (c_parser_skip_to_pragma_eol): New.
8665 (c_parser_external_declaration): Handle CPP_PRAGMA.
8666 (c_parser_compound_statement_nostart): Likewise.
8667 (c_parser_statement_after_labels): Likewise.
8668 (c_parser_pragma): New.
8669 (pragma_lex): Likewise.
8670 (c_parser_pragma_pch_preprocess): New.
8671 (c_parser_new): Merge into ...
8672 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
8674 2006-01-04 Jeff Law <law@redhat.com>
8677 * tree-cfg.c (bsi_replace): Remove the original statement
8678 from the EH throw statement table.
8680 2006-01-04 Jakub Jelinek <jakub@redhat.com>
8682 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
8683 make the prototype extern "C" and add throw ().
8686 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
8687 and pos non-negative and pos + len <= 32.
8688 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
8689 drop pos + len < HOST_BITS_PER_WIDE_INT test.
8690 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
8693 * c-common.c (handle_vector_size_attribute): Reject zero vector size
8694 as well as sizes not multiple of component size.
8697 * function.c (instantiate_expr): New function.
8698 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
8699 walk its DECL_VALUE_EXPR with instantiate_expr.
8701 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
8702 DW_OP_deref{,_size} if address isn't going to be added.
8704 2006-01-04 Ben Elliston <bje@au.ibm.com>
8706 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
8707 * config/fp-bit.c: Likewise.
8709 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
8711 * dominance.c: Add comment about why we use DFS numbering
8714 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8715 Richard Henderson <rth@redhat.com>
8717 Merge from gomp-branch:
8718 * varasm.c (assemble_variable): Handle thread-local COMMON data.
8719 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
8721 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
8723 PR rtl-optimization/25578
8724 * combine.c (combine_simplify_rtx, force_to_mode): Don't
8725 pass a parameter to simplify_shift_const if changing ASHIFTRT
8728 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
8730 * builtins.c (get_builtin_sync_mem): New function.
8731 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
8732 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
8733 Call get_builtin_sync_mem to generate mem rtx.
8735 2006-01-03 Richard Guenther <rguenther@suse.de>
8738 * stmt.c (add_case_node): Make sure to clear overflow flags
8741 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8743 Merge from gomp-branch.
8744 * config/sparc/sync.md: New file.
8745 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
8746 UNSPECV_LDSTUB): New constants.
8747 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
8748 * config/sparc/predicates.md (memory_reg_operand): New predicate.
8749 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
8752 2006-01-03 Roger Sayle <roger@eyesopen.com>
8754 * combine.c (reg_subword_p): New predicate to test whether the
8755 destination of a set refers to a subword/piece of a register.
8756 (try_combine): Generalize the code to merge the setting of a
8757 pseudo to a constant followed by a set of a subword of that
8758 register to a constant.
8760 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
8762 * basic-block.h (control_flow_graph): Change the type of
8763 x_label_to_block_map to VEC(basic_block,gc) *.
8764 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
8765 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
8767 * tree-ssa-propagate.c (cfg_blocks): Change the type to
8768 VEC(basic_block,heap) *.
8769 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
8770 ssa_prop_fini): Adjust the uses of cfg_blocks.
8772 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
8774 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
8776 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
8777 hashing trees instead of a pointer hash.
8778 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
8779 compare for MEM_EXPR.
8781 PR rtl-optimization/25130
8782 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
8783 when comparing MEMs for GCSE
8785 2006-01-03 Ben Elliston <bje@au.ibm.com>
8787 * targhooks.h (default_decimal_float_supported_p): Declare.
8788 * targhooks.c (default_decimal_float_supported_p): Define.
8789 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
8790 `default_decimal_float_supported_p'.
8791 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
8793 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
8795 * combine.c (apply_distributive_law <SUBREG>): Check
8796 TRULY_NOOP_TRUNCATION.
8798 2006-01-02 Geoffrey Keating <geoffk@apple.com>
8800 * dwarf2out.c (have_switched_text_section): Delete.
8801 (have_multiple_function_sections): New.
8802 (have_location_lists): Make 'bool'.
8803 (add_AT_loc_list): Use 'true' not '1'.
8804 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
8805 (output_loc_list): Use have_multiple_function_sections.
8806 (output_ranges): Likewise.
8807 (dwarf2out_begin_function): Set have_multiple_function_sections if
8809 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
8810 Check function_section rather than DECL_SECTION_NAME.
8811 (dwarf2out_finish): Use have_multiple_function_sections.
8812 Don't clear have_location_lists.
8814 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
8815 Jan Hubicka <jh@suse.cz>
8817 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
8818 case of conditional jump jumping to the next instruction.
8819 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
8820 cases of conditional jump jumping to the next instruction.
8822 2006-01-02 Jan Hubicka <jh@suse.cz>
8824 * i386.c (*_cost): Add COSTS_N_INSNS.
8825 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
8827 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
8830 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
8832 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8834 * config/arm/arm.c (all_fpus): Fix comment typo.
8835 * config/darwin.c: Likewise.
8836 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
8837 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
8838 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
8840 2006-01-01 David Edelsohn <edelsohn@gnu.org>
8842 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
8843 (rs6000_split_compare_and_swapqhi): New.
8844 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
8845 (sync_compare_and_swapqhi_internal): New.
8846 * config/rs6000/rs6000-protos.h: Declare.
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