1 2004-03-31 Richard Henderson <rth@redhat.com>
3 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4 (make_edges): ... here. Control fallthru creation with a local
5 variable. Do not play with fake edges.
6 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7 (make_goto_expr_edges): Don't play with fake edges. Make for_call
10 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
12 * dwarf2.h (DW64_CIE_ID): Define.
13 * dwarf2out.c (DWARF_CIE_ID): Define.
14 (output_call_frame_info): Output 0xffffffff before standard 8-byte
15 length header. Use DWARF_CIE_ID.
16 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
17 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
19 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
21 * config/sh/linux-atomic.asm: New file.
22 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
24 2006-03-31 DJ Delorie <dj@redhat.com>
26 * config/m32c/cond.md: Set condition flags properly throughout.
27 * config/m32c/minmax.md: Likewise.
28 * config/m32c/prologue.md: Likewise.
29 * config/m32c/bitops.md: Likewise.
30 * config/m32c/muldiv.md: Likewise.
31 * config/m32c/mov.md: Likewise.
32 * config/m32c/addsub.md: Likewise.
33 * config/m32c/m32c.md: Likewise.
34 * config/m32c/jump.md: Likewise.
35 * config/m32c/shift.md: Likewise.
37 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
38 conditionally output the pattern for this.
39 * config/m32c/m32c.c (flags_needed_for_conditional): New.
40 (m32c_compare_redundant): New.
41 (m32c_output_compare): New.
42 * config/m32c/m32c-protos.h (m32c_output_compare): New.
44 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
45 dest, not src. Allow other 4-byte modes.
47 2006-03-30 Denis Chertykov <denisc@overta.ru>
49 * doc/md.texi: Refer to avr/constraints.md instead of
52 2006-03-30 Roger Sayle <roger@eyesopen.com>
54 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
55 signed vs. unsigned comparison failures on some hosts.
57 2006-03-31 Alan Modra <amodra@bigpond.net.au>
60 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
63 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
64 (rs6000_override_options): Use it.
65 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
66 only for -mabi=spe/no-spe and -mabi=altivec.
68 2006-03-30 Geoffrey Keating <geoffk@apple.com>
70 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
73 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
75 * Makefile.in: Rename docdir to gcc_docdir.
77 2006-03-30 Roger Sayle <roger@eyesopen.com>
80 * expr.c (emit_group_store): Optimize group stores into a pseudo
81 register by using a paradoxical subreg to initialize the destination
82 if the first or last member of the group specifies a "low part".
84 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
87 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
88 * target.h (struct gcc_target.speculate_insn): Change type of the
89 second parameter to 'int'.
90 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
91 the second operand of the DEPS_LIST.
92 (copy_DEPS_LIST_list): Update reference to the second operand of the
94 * rtl.h (alloc_DEPS_LIST): Update signature.
95 * sched-int.h (ds_t): Change typedef to 'int'.
96 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
98 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
100 * haifa-sched.c (try_ready): Change condition to restore
101 non-speculative pattern of the instruction.
102 (process_insn_depend_be_in_spec): Code to keep probability of the
103 speculative dependence non-decreasing.
105 2006-03-30 Jie Zhang <jie.zhang@analog.com>
107 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
108 (single_move_for_movmem): ... this. Also change all uses.
109 (bfin_expand_strmov): Renamed to...
110 (bfin_expand_movmem): ... this. Also change all uses.
111 * config/bfin/bfin.md (movstrsi): Renamed to...
114 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
116 PR tree-optimization/26830
118 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
119 (copy_prop_visit_stmt): Remove write-only variable ann.
120 (init_copy_prop): Check variable loop depth here. Do not simulate
121 memory-tag and virtual operand PHIs except for store copy prop.
123 2006-03-30 Richard Guenther <rguenther@suse.de>
125 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
126 variants with double arguments.
128 2006-03-29 David Edelsohn <edelsohn@gnu.org>
130 * genpreds.c (write_tm_constrs_h): Delete variable p.
131 * genconditions.c (write_header): Add tm-constrs.h to included
133 * genpeep.c (main): Add toplev.h to included headers.
134 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
135 (build/genpeep.o): Add toplev.h dependency.
136 * config/rs6000/constraints.md: Add "W" constraint.
138 2006-03-29 Roger Sayle <roger@eyesopen.com>
140 * stor-layout.c (mode_for_size_tree): Remove restiction on type
141 sizes by correctly testing whether the size fits a host integer.
142 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
143 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
144 SImode range for the default sizetype and bitsizetype.
146 2006-03-29 Roger Sayle <roger@eyesopen.com>
148 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
149 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
150 quickly if the argument is already of the correct type.
151 Call fold_build1 instead of build1. Tidy up blank lines.
153 2006-03-29 David Edelsohn <edelsohn@gnu.org>
155 * genemit.c (main): Add tm-constrs.h to included headers.
156 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
157 * genpeep.c (main): Add tm-constrs.h to included headers.
158 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
159 (write_tm_constrs_h): this and write complete file.
160 (write_tm_preds_h): Do not emit satisfies_constraint fns.
161 (write_insn_preds_c): Add tm-constrs.h to included headers.
162 (gen_constrs): New variable.
163 (parse_option): Parse "-c".
164 (main): Invoke write_tm_constrs_h.
165 * genrecog.c (write_header): Add tm-constrs.h to included headers.
166 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
167 (object_out_file): Add tm-constrs.h dependency.
169 (insn-output.o): Same.
171 (insn-preds.o): Same.
172 (insn-recog.o): Same.
173 (tm-constsr.h): New target.
174 (s-constrs-h): New target.
176 * config/rs6000/constraints.md: New file.
177 * config/rs6000/rs6000.c: Include tm-constrs.h.
178 (num_insn_constant_wide): Convert to satisfies_constraint.
179 (rs6000_rtx_costs): Convert to satisfies_constraint.
180 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
181 (CONST_OK_FOR_LETTER_P): Delete.
182 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
183 (EXTRA_CONSTRAINT): Delete.
184 (EXTRA_MEMORY_CONSTRAINT): Delete.
185 (EXTRA_ADDRESS_CONSTRAINT): Delete.
186 * config/rs6000/predicates.md: Convert to satisfies_constraint.
187 * config/rs6000/rs6000.md: Include constraints.md. Convert to
188 satisfies_constraint.
190 * config/i386/i386.c: Include tm-constrs.h.
192 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
194 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
195 * tree-data-ref.c (find_data_references_in_loop,
196 compute_data_dependences_for_loop): Use pointers to VEC.
197 (analyze_all_data_dependences): Adjust calls.
198 * tree-data-ref.h (find_data_references_in_loop,
199 compute_data_dependences_for_loop): Adjust declarations.
200 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
201 compute_data_dependences_for_loop.
203 2006-03-29 Paul Brook <paul@codesourcery.com>
205 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
208 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
210 PR tree-optimization/26859
211 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
213 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
214 for the step after fold_convert.
216 2006-03-29 Paul Brook <paul@codesourcery.com>
218 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
219 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
221 2006-03-29 Paul Brook <paul@codesourcery.com>
224 * targhooks.c (default_narrow_bitfield): New fuction.
225 * targhooks.h (default_narrow_bitfield): add prototype.
226 * target.h (gcc_target): Add narrow_volatile_bitfield.
227 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
228 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
229 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
230 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
232 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
234 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
236 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
237 (NR_C_MODES): Add TDmode, DDmode and SDmode.
238 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
239 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
240 (s390_function_arg_float): Allow SDmode and DDmode values to be
241 passed in floating point registers.
242 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
243 check with SCALAR_FLOAT_MODE_P.
244 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
246 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
248 PR tree-optimization/25985
249 * tree-ssa-loop-niter.c (number_of_iterations_le,
250 number_of_iterations_ne): Make comments more precise.
251 (number_of_iterations_cond): Add only_exit argument. Use the
252 fact that signed variables do not overflow only when only_exit
254 (loop_only_exit_p): New.
255 (number_of_iterations_exit): Pass result of loop_only_exit_p to
256 number_of_iterations_cond.
258 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
260 PR tree-optimization/26643
261 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
264 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
266 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
267 (divsi3_i4_int): Likewise.
269 2006-03-28 Roger Sayle <roger@eyesopen.com>
271 * expr.c (emit_group_store): Only create a new pseudo reg if the
272 quantity it needs to hold isn't already a suitable pseudo.
274 2006-03-28 Jeff Law <law@redhat.com>
276 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
277 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
279 2006-03-28 Roger Sayle <roger@eyesopen.com>
281 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
282 the equivalent ~X & Y, and the symmetry related transformations.
283 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
284 ~X & Y, and symmetry related transforms.
286 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
288 Revert my 2006-03-27 patches.
290 2006-03-28 Roger Sayle <roger@eyesopen.com>
292 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
293 ~(T1)X, when T1 and T2 are integer types of the same precision
294 and (T2)X isn't an extension.
296 2006-03-28 Jeff Law <law@redhat.com>
298 PR tree-optimization/26796
299 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
300 need EH edge cleanups rather than purging them immediately.
301 (eliminate_degenerate_phis): Handle queued EH cleanups.
303 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
305 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
308 2006-03-27 Roger Sayle <roger@eyesopen.com>
311 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
312 cast BIT_NOT_EXPR operand to the correct type.
314 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
316 * tree-loop-linear.c: Don't include varray.h.
317 (gather_interchange_stats, try_interchange_loops,
318 linear_transform_loops): Use VEC instead of VARRAY.
319 * lambda-mat.c: Don't include varray.h.
320 * tree-chrec.c: Same.
321 * lambda-trans.c: Same.
322 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
323 VEC instead of VARRAY.
324 * tree-vectorizer.h: Idem.
325 * tree-data-ref.c (dump_data_references,
326 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
327 initialize_data_dependence_relation, finalize_ddr_dependent,
328 compute_all_dependences, find_data_references_in_loop,
329 compute_data_dependences_for_loop, analyze_all_data_dependences,
330 free_dependence_relation, free_dependence_relations,
331 free_data_refs): Idem.
332 * tree-data-ref.h (data_reference_p, subscript_p): New.
333 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
334 VEC instead of VARRAY.
335 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
336 (find_data_references_in_loop, compute_data_dependences_for_loop,
337 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
338 dump_data_dependence_relations, free_dependence_relations,
339 free_data_refs): Adjust declaration.
340 (lambda_transform_legal_p): Move declaration here...
341 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
342 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
343 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
344 vect_analyze_data_refs): Use VEC instead of VARRAY.
345 * lambda.h (lambda_transform_legal_p): ...from here.
346 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
347 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
348 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
349 tree-chrec.o): Don't depend on VARRAY_H.
351 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
353 * rtl.def (Copyright): Update date.
354 (DEPS_LIST): Change type of the second operand to 'int'.
355 * target.h (Copyright): Update date.
356 (struct gcc_target.speculate_insn): Change type of the second parameter
358 * lists.c (Copyright): Update date.
359 (alloc_DEPS_LIST): Change signature. Update reference to the second
360 operand of the DEPS_LIST.
361 (copy_DEPS_LIST_list): Update reference to the second operand of the
363 * rtl.h (Copyright): Update date.
364 (alloc_DEPS_LIST): Update signature.
365 * sched-int.h (Copyright): Update date.
366 (ds_t): Change typedef to 'int'.
367 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
369 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
371 * haifa-sched.c (Copyright): Update date.
372 (try_ready): Change condition to restore non-speculative pattern
374 (process_insn_depend_be_in_spec): Code to keep probability of the
375 speculative dependence non-decreasing.
377 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
379 * regrename.c (replace_oldest_value_addr): Initialize a variable to
380 shut up the compiler.
382 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
384 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
385 to use lib prefix for target.
386 ($(T)libic_invalidate_array_4-200.a): Likewise.
387 ($(T)libic_invalidate_array_4a.a): Likewise.
389 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
390 J"orn Rennecke <joern.rennecke@st.com>
392 * superh.opt: New file.
393 * sh.c (boardtype, osruntime): Remove.
394 * superh.h (SUBTARGET_OPTIONS): Remove.
395 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
397 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
398 arguments with ^ and/or [].
400 * config.gcc (sh-*-*): Add quoting to account for quirk of
402 Replace == with = in enable_incomplete_targets test.
404 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
405 with MASK_LITTLE_ENDIAN.
407 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
408 * config/sh/sh.opt: Added to some comments.
409 * config/sh/superh.h: Removed some chaff.
411 * config/sh/sh.opt: Add m4-[1234]00* options.
412 * config/sh/sh.c (sh_handle_option): Likewise.
413 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
414 (ic_invalidate_array_4-100.o): New rule.
415 ($(T)libic_invalidate_array_4-100.a): Likewise.
416 (ic_invalidate_array_4-200.o): Likewise.
417 ($(T)libic_invalidate_array_4-200.a): Likewise.
418 (ic_invalidate_array_4a.o): Likewise.
419 ($(T)libic_invalidate_array_4a.a): Likewise.
420 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
421 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
423 * config/sh/crt1.asm: Merged in profiling code.
424 * config/sh/superh.h (STARTFILE_SPEC): Override.
425 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
426 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
427 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
429 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
430 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
431 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
433 * sh.opt (mpretend-cmove): New option.
434 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
435 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
436 (movsicc): Add TARGET_PRETEND_CMOVE code.
438 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
440 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
441 s390_class_max_nregs): New function prototypes.
442 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
443 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
444 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
445 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
447 2006-03-26 Geoffrey Keating <geoffk@apple.com>
449 * dwarf2out.c (add_location_or_const_value_attribute): Call
450 tree_add_const_value_attribute if nothing else works.
451 (reference_to_unused): New.
452 (rtl_for_decl_init): Use reference_to_unused to decide whether
453 to output an initializer.
455 2006-03-27 Alan Modra <amodra@bigpond.net.au>
458 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
459 peephole removing spe frob_di_df_2.
461 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
463 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
464 (subscript_dependence_tester_1): Declared.
465 (print_dir_vectors, print_dist_vectors): New.
466 (debug_data_dependence_relation): New.
467 (dump_data_dependence_relation): Print more details.
468 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
469 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
470 (save_dist_v, save_dir_v, add_outer_distances,
471 build_classic_dist_vector_1): New.
472 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
473 Don't test for lambda_vector_lexico_pos.
474 (same_access_functions, add_multivariate_self_dist,
475 add_other_self_distances, dir_from_dist): New.
476 (build_classic_dir_vector): Replace implementation almost identical to
477 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
479 (subscript_dependence_tester_1): New.
480 (subscript_dependence_tester): Handle the lexicographically negative
481 distance vectors by recomputing the dependence relation.
482 (compute_affine_dependence): Remove parameter loop_nest_depth.
483 (compute_self_dependence): Don't call compute_subscript_distance.
484 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
485 Add a parameter for the loop_nest.
486 (find_loop_nest_1, find_loop_nest): New.
487 (compute_data_dependences_for_loop): Compute the loop nest, and give
488 up if the nest is not well formed.
489 * tree-data-ref.h (loop_p): New.
490 (struct data_dependence_relation): Replace size_vect field with
491 loop_nest, a vec of loops.
492 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
493 (DDR_LOOP_NEST): New.
494 (print_dir_vectors, print_dist_vectors,
495 debug_data_dependence_relation): Declared.
496 (index_in_loop_nest): New.
497 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
498 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
501 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
503 * simplify-rtx.c (simplify_relational_operation): Call
504 simplify_relational_operation_1 even if mode is VOIDmode.
506 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
508 PR tree-optimization/26804
509 * tree.h (DECL_CALL_CLOBBERED): New macro.
510 (tree_decl_common): Add call_clobbered_flag.
511 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
512 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
513 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
514 (mark_non_addressable): Ditto.
515 * tree-ssa.c (verify_call_clobbered): New function.
516 (verify_alias_info): Use it.
517 * tree-pass.h (pass_reset_cc_flags): New prototype.
518 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
519 (reset_cc_flags): New function.
520 * passes.c (init_optimization_passes): Call reset_cc_flags after
521 initializing referenced_vars.
523 2006-03-25 Uros Bizjak <uros@kss-loka.si>
524 Roger Sayle <roger@eyesopen.com>
527 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
528 to 1.0 for non-real operands. Implement A / A optimization for
531 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
533 * config/i386/i386.c (size_cost): Correct the comment for
534 cost of storing fp registers.
535 (i386_cost): Likewise.
536 (i486_cost): Likewise.
537 (pentium_cost): Likewise.
538 (pentiumpro_cost): Likewise.
540 (athlon_cost): Likewise.
542 (pentium4_cost): Likewise.
543 (nocona_cost): Likewise.
544 (generic64_cost): Likewise.
545 (generic32_cost): Likewise.
547 2006-03-24 Denis Chertykov <denisc@overta.ru>
549 * config/avr/avr-protos.h (extra_constraint): Delete.
550 (extra_constraint_Q): New declaration.
551 * config/avr/constraints.md: New file.
552 * config/avr/avr.md: Include it.
553 (REG_X, REG_Y, REG_Z, REG_W): New constants.
554 (TMP_REGNO, ZERO_REGNO): Likewise.
555 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
556 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
557 (extra_constraint): Delete.
558 (extra_constraint_Q): Test for memory constraint 'Q'.
559 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
560 (REG_CLASS_FROM_LETTER): Delete.
561 (CONST_OK_FOR_LETTER_P): Delete.
562 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
563 (EXTRA_CONSTRAINT): Delete.
565 (ZERO_REGNO): Delete.
567 2006-03-24 Jeff Law <law@redhat.com>
569 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
570 directly. Call mark_new_vars_to_rename slightly earlier.
572 2006-03-24 Geoffrey Keating <geoffk@apple.com>
574 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
576 (gen_compile_unit_die): Use new language types for Objective-C and
578 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
582 * config/t-darwin (crt3.o): Work around bug 26840.
583 * config/darwin-crt3.c: Rewrite.
584 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
586 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
588 * doc/invoke.texi: Document -femit-class-debug-always
589 * common.opt: Add -femit-class-debug-always.
591 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
593 * config/s390/s390.c (s390_decompose_address): Allow SImode for
594 index and base register.
595 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
596 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
597 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
598 REGNO_OK_FOR_INDEX_P.
599 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
601 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
602 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
603 REG_OK_FOR_BASE_P): Definitions removed.
605 2006-03-24 Jakub Jelinek <jakub@redhat.com>
608 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
609 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
610 set yet or weren't marked as local yet.
612 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
614 * regrename.c (scan_rtx_address): Initialize a variable to shut up
617 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
619 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
620 (rs6000_legitimate_small_data_p): Delete.
621 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
622 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
623 and make static. Add forward declaration. Update uses.
624 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
625 of offsettable_memref_p.
626 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
627 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
629 2006-03-24 Jeff Law <law@redhat.com>
631 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
632 around bug in immediate-use iterator.
634 2006-03-24 Alan Modra <amodra@bigpond.net.au>
637 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
638 or __LITTLE_ENDIAN__.
640 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
642 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
643 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
644 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
645 * config/sh/sh.opt (mdiv=): Amend description.
646 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
647 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
648 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
649 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
650 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
651 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
652 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
653 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
654 TARGET_DIVIDE_CALL_FP.
656 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
658 * haifa-sched.c (choose_ready): Fix type of the local variable.
659 Move local variables. Add comment.
660 (check_reg_live): Change signature. Make callable from debugger.
661 * sched-int.h (check_reg_live): Update signature.
662 * sched-ebb.c (check_reg_live): Update parameters.
663 * sched-rgn.c (check_reg_live): Ditto.
664 (region_head_or_leaf_p): Check pointer before dereferencing.
665 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
666 before reload on optimization levels below 1.
668 2006-03-23 Richard Henderson <rth@redhat.com>
670 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
674 * config/alpha/predicates.md (local_symbolic_operand): Reject
677 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
680 * tree-ssa-pre.c (create_value_expr_from): Don't reject
681 expressions which have overflowed constants.
683 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
685 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
687 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
689 * cfgloopmanip.c (create_loop_notes): Removed.
690 * final.c (final_scan_insn): Do not handle loop notes.
691 * jump.c (squeeze_notes): Ditto.
692 * cfglayout.c (skip_insns_after_block,
693 duplicate_insn_chain): Ditto.
694 * cfgcleanup.c (rest_of_handle_jump2): Do not call
696 * cfgloop.h (create_loop_notes): Declaration removed.
698 2006-03-23 Richard Sandiford <richard@codesourcery.com>
700 * varasm.c (output_constant_pool): Restore fnname and fndecl
702 (assemble_start_function): Adjust call accordingly.
703 (assemble_end_function): Likewise.
705 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
708 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
711 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
713 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
716 * system.h (ICE_EXIT_CODE): New macro.
717 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
718 (diagnostic_action_after_output): Likewise.
719 * gcc.c (fatal_ice): New function.
720 (execute): Use it instead of fatal.
721 (fancy_abort): Likewise.
722 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
724 2006-03-22 Jeff Law <law@redhat.com>
726 * loop-unroll.c (analyze_iv_to_split_insn): Handle
727 iv_analyze_result returning false.
729 2006-03-22 Jie Zhang <jie.zhang@analog.com>
731 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
733 2006-03-22 Richard Henderson <rth@redhat.com>
736 * except.c (duplicate_eh_regions_0): New.
737 (duplicate_eh_region_1): Duplicate the children of the node as
738 well as the node itself. Link them up properly.
739 (duplicate_eh_region_2): Merge into ...
740 (duplicate_eh_regions): ... here. Take copy_region argument, and
741 copy only a sub-tree if asked. Simplify copying and fixup.
742 (eh_region_outer_p): New.
743 * except.h (duplicate_eh_regions): Update decl.
744 (eh_region_outer_p): Declare.
745 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
746 (lower_omp_master): Likewise.
747 (lower_omp_ordered): Likewise.
748 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
749 (move_stmt_r): Use it to remap labels. Handle recursion vs
750 remap_decls_p properly.
751 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
752 (find_outermost_region_in_block): New.
753 (new_label_mapper): New.
754 (move_sese_region_to_fn): Copy eh information to the new function
756 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
758 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
761 2006-03-22 Richard Sandiford <richard@codesourcery.com>
763 * doc/md.texi (-mshared): Mention that -mshared code can be linked
764 into shared libraries.
766 2006-03-22 Richard Sandiford <richard@codesourcery.com>
768 * doc/md.texi: Refer to i386/constraints.md instead of
770 * config/i386/constraints.md: New file, extracted from...
771 * config/i386/predicates.md: ...here.
772 * config/i386/i386.md: Include constraints.md.
774 2006-03-21 Jason Merrill <jason@redhat.com>
776 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
779 * expr.c (init_block_move_fn): Force default visibility.
780 (init_block_clear_fn): Likewise.
781 * builtins.c (expand_builtin_fork_or_exec): Likewise.
782 * targhooks.c (default_external_stack_protect_fail): Likewise.
784 2006-03-21 Richard Sandiford <richard@codesourcery.com>
786 * config/mips/predicates.md (const_call_insn_operand): Allow direct
787 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
788 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
789 Use TARGET_OLDABI instead of !TARGET_NEWABI.
790 (loadgp): Use mips_current_loadgp_style.
791 (loadgp_noshared): New pattern.
792 (sibcall_internal): Use MIPS_CALL.
793 (sibcall_value_internal): Likewise.
794 (sibcall_value_multiple_internal): Likewise.
795 (call_internal): Likewise.
796 (call_value_internal): Likewise.
797 (call_value_multiple_internal): Likewise.
798 (call_split): Use MIPS_CALL and add an 'S' constraint.
799 (call_value_split): Likewise.
800 (call_value_multiple_split): Likewise.
801 * config/mips/mips.opt (-mabicalls): Tweak docstring.
802 (-mshared): New option.
803 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
804 (mips_current_loadgp_style): Declare.
805 * config/mips/mips.c (mips_classify_symbol): Avoid using
806 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
807 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
808 TARGET_ABSOLUTE_ABICALLS.
809 (override_options): Adjust comments. Improve the warning that is
810 issued when -mabicalls and -G are used together.
811 (mips_file_start): Remove comment.
812 (mips_current_loadgp_style): New function.
813 (mips_gnu_local_gp): New variable.
814 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
816 (mips_output_function_prologue): Use mips_current_laodgp_style.
817 (mips_expand_prologue): Call mips_emit_loadgp before emitting
818 the cprestore instruction.
819 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
820 live for TARGET_ABSOLUTE_ABICALLS.
821 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
822 (ASM_SPEC): Pass down -mshared and -mno-shared.
823 (MIPS_CALL): New macro.
824 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
826 * doc/invoke.texi (-mabicalls): Update documentation.
827 (-mshared): Document.
829 2006-03-21 Steve Ellcey <sje@cup.hp.com>
831 * config/ia64/unwind-hpux.c: New file.
832 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
834 2006-03-21 Steve Ellcey <sje@cup.hp.com>
837 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
839 2006-03-21 Jeff Law <law@redhat.com>
841 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
842 type conversions of a VR_VARYING source to a wider type.
844 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
846 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
847 tm_file on Solaris 10 and later.
848 (sparc64-*-solaris2*): Likewise.
849 (sparc-*-solaris2*): Likewise.
850 * config/sol26.h: Rename to config/sol2-6.h.
851 * config/sol2-10.h: New file.
853 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
856 * tree-ssa-pre.c (create_component_ref_by_pieces):
859 2006-03-21 Jakub Jelinek <jakub@redhat.com>
862 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
863 return it immediately.
865 2006-03-21 Michael Matz <matz@suse.de>
867 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
869 (remove_arc, add_arc): Update num_out_arcs member.
870 (set_out_arc_insns_equiv_num): Returns nothing instead of number
872 (cache_presence): New function.
873 (compare_states_for_equiv): New function.
874 (state_is_differed): Don't take number of outargs, adjust callers.
875 Use new invariant for speeding up.
876 (init_equiv_class): Create initial classes based on sorted
878 (partition_equiv_class): Don't track out_arcs_num.
879 (evaluate_equiv_classes): Call cache_presence on all states and
882 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
884 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
885 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
886 (bfin_valid_reg_p): Test for pseudos explicitly and use only
887 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
889 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
890 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
891 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
892 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
893 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
895 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
896 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
897 (REGNO_REG_CLASS): ARGP is in PREGS.
898 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
900 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
901 to deal with those addresses.
902 * addresses.h: New file.
903 * caller-save.c: Include "addresses.h".
904 (init_caller_save): Use new base_reg_class function.
905 * rtl-factoring.c: Include "addresses.h".
906 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
907 * recog.c: Include "addresses.h".
908 (preprocess_constraints): Use new base_reg_class function.
909 * regrename.c: Include "addresses.h".
910 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
911 functions. Keep track of a new var INDEX_CODE to compute valid
913 (replace_oldest_value_addr): Likewise.
914 (replace_oldest_value_mem): Use base_reg_class.
915 * reload.c: Include "addresses.h".
916 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
917 (find_reloads): Use new base_reg_class function.
918 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
919 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
920 all callers and prototype changed.
921 * reload1.c: Include "addresses.h".
922 (maybe_fix_stack_asms): Use base_reg_class.
923 * regclass.c: Include "addresses.h".
924 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
925 (init_reg_autoinc): Use new base_reg_class function.
926 (record_reg_classes): Likewise.
927 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
928 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
929 Use new args to compute necessary class.
931 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
932 regrename.o, rtl-factoring.o): Update dependencies.
933 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
934 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
935 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
936 REG_OK_FOR_INDEX_P): Delete documentation.
938 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
940 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
941 from V7 to V9 for Solaris 7 and above.
943 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
945 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
946 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
947 argument pointers may not alias any other storage.
948 * common.opt: Define option -fargument-noalias-anything.
949 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
950 alias semantics is specified by flag_argument_noalias > 2.
952 2006-03-20 Jeff Law <law@redhat.com>
954 * tree-pass.h (pass_phi_only_copy_prop): Delete.
955 (pass_phi_only_cprop): Declare.
956 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
958 * tree-ssa-dom.c (degenerate_phi_result): New function.
959 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
960 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
961 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
962 (eliminate_degenerate_phis): Likewise.
963 (pass_phi_only_cprop): New pass descriptor.
964 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
965 support code. Callers updated.
966 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
967 (store_copy_prop): Likewise.
968 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
970 2006-03-20 Jason Merrill <jason@redhat.com>
973 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
974 (push_visibility, pop_visibility): Likewise.
975 * c-pragma.h: Declare them.
977 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
979 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
981 * config/sh/sh.c (find_regmode_weight): Change the type of the first
982 parameter and use get_ebb_head_tail.
983 (sh_md_init_global): Adjust uses of find_regmode_weight.
985 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
987 * function.h (struct function) <x_tail_recursion_reentry>:
988 Rename to x_stack_check_probe_note.
989 (tail_recursion_reentry): Rename to stack_check_probe_note.
990 * function.c: Replace tail_recursion_reentry with
991 stack_check_probe_note everywhere.
992 (expand_function_start): Only emit a note for
993 stack_check_probe_note with -fstack-protect.
994 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
996 * emit-rtl.c (remove_unnecessary_notes): Remove.
997 (pass_remove_unnecessary_notes): Remove.
998 * rtl.h (remove_unnecessary_notes): Remove prototype.
999 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1000 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1001 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1003 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1006 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1007 (valid_in_set): Handle ARRAY_REF.
1008 Change "if min_variant or VH" to asserts.
1009 (create_component_ref_by_pieces): Handle ARRAY_REF.
1010 (create_expression_by_pieces): Likewise.
1011 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1013 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1015 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1016 is operand of switch, not str[0].
1018 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1020 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1021 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1023 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1025 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1026 end of insn_extra_address_constraint declaration.
1028 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1030 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1031 (no-sum-in-toc): Same.
1032 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1034 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1035 NO_FP_IN_TOC for -fPIC instead of mask.
1037 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1038 (BOOT_LDFLAGS): Delete.
1040 * config/rs6000/t-aix52: Same.
1042 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1043 (stmsi[345678]_power): New.
1045 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1047 * config/ia64/ia64.opt: Add empty line to end of file.
1049 2006-03-17 Richard Guenther <rguenther@suse.de>
1052 * builtins.c (get_pointer_alignment): For component style references
1053 adjust alignment to the component type alignment. Make sure
1054 to adjust alignment for component access of constants.
1056 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1058 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1061 2006-03-17 Paul Brook <paul@codesourcery.com>
1063 * doc/install.texi: Docuemnt --with-mode.
1064 * config.gcc: Add --with-mode for arm*-*-*.
1065 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1067 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1069 * sh.c (max_labelno_before_reorg): New variable.
1070 (sh_reorg): Initialize it.
1071 (find_barrier): Check max_labelno_before_reorg before using
1072 label_to_alignment. Take length of explicit alignment insns
1073 into account. When seeing a UNSPECV_CONST_END, return it.
1075 * sh.c (fixup_mova): Set mode of affected label to QImode.
1076 (untangle_mova): New function.
1077 (find_barrier): Use it. Check mode of label before decrementing
1079 (sh_reorg): Likewise.
1080 Set mode of all insns back to VOIDmode.
1082 * sh.c (MOVA_LABELREF): New macro.
1083 (mova_p, fixup_mova, sh_reorg): Use it.
1084 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1085 ADDR_DIFF_VEC matches mova.
1087 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1089 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1090 with ATTRIBUTE_UNUSED.
1092 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1094 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1095 pointer, instead of assuming it is possible to derive the
1096 correct args size from a call insn.
1098 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1100 * rtl.h (CONST_INT_P): Define.
1101 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1102 instead of GET_CODE(x) == CONST_INT.
1103 (vax_rtx_costs): Likewise.
1104 (vax_output_int_move): Likewise.
1105 (vax_output_int_add): Likewise.
1106 (legitimate_constant_address_p): Likewise.
1107 (index_term_p): Likewise.
1108 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1109 * config/vax/vax.md (and<mode>3): Likewise.
1110 (ashrsi3): Likewise.
1112 (movstricthi): Likewise.
1113 (movstrictqi): Likewise.
1114 (rotrsi3): Likewise.
1115 (five unnamed insns): Likewise.
1117 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1119 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1120 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1121 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1122 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1123 Pass to ASM_OUTPUT_DWARF_OFFSET.
1124 * dwarf2out.c (debug_frame_section): New.
1125 (output_call_frame_info): Use debug_frame_section. Pass it to
1126 dw2_asm_output_offset.
1127 (output_die): Pass appropriate section to dw2_asm_output_offset.
1128 (output_compilation_unit_header): Likewise.
1129 (output_pubnames): Likewise.
1130 (output_aranges): Likewise.
1131 (enum dw_val_class): Break dw_val_class_lbl_offset into
1132 dw_val_class_lineptr and dw_val_class_macptr.
1133 (add_AT_lbl_offset): Delete.
1134 (add_AT_lineptr): New.
1135 (add_AT_macptr): New.
1136 (AT_lbl): Expect a lineptr or macptr.
1137 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1138 (attr_checksum): Likewise.
1139 (same_dw_val_p): Likewise.
1140 (size_of_die): Likewise.
1141 (value_format): Likewise.
1142 (output_die): Likewise.
1143 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1145 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1146 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1147 * config/darwin-protos.h (darwin_file_start): New.
1148 (darwin_asm_output_dwarf_offset): New.
1149 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1150 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1152 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1153 if not EH section; simplify.
1154 (darwin_file_start): New.
1155 (darwin_asm_output_dwarf_offset): New.
1156 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1158 (DEBUG_INFO_SECTION): Likewise.
1159 (DEBUG_ABBREV_SECTION): Likewise.
1160 (DEBUG_ARANGES_SECTION): Likewise.
1161 (DEBUG_MACINFO_SECTION): Likewise.
1162 (DEBUG_LINE_SECTION): Likewise.
1163 (DEBUG_LOC_SECTION): Likewise.
1164 (DEBUG_PUBNAMES_SECTION): Likewise.
1165 (DEBUG_STR_SECTION): Likewise.
1166 (DEBUG_RANGES_SECTION): Likewise.
1167 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1168 (ASM_OUTPUT_DWARF_OFFSET): New.
1170 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1172 * config.gcc (tm_defines): Always add to previous value rather
1175 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1177 * config/mips/predicates.md (splittable_const_int_operand): New,
1178 split from move_operand.
1179 (splittable_symbolic_operand): New.
1180 (move_operand): Add commentary. Use splittable_const_int_operand.
1181 Inline mips_atomic_symbolic_constant_p.
1182 * config/mips/mips.md: Add combine splitters for handling moves
1183 of splittable_const_int_operands and splittable_symbolic_operands.
1184 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1185 (mips_split_symbol): Declare.
1186 (mips_move_integer): Declare.
1187 * config/mips/mips.c (mips_split_p): Make global.
1188 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1189 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1190 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1191 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1192 (mips_offset_within_object_p): Handle block symbols.
1193 (mips_atomic_symbolic_constant_p): Delete.
1194 (mips_cannot_force_const_mem): Return false for constants that
1195 mips_legitimize_move can handle.
1196 (mips_use_blocks_for_constant_p): New function.
1197 (mips_split_symbol): Make global.
1198 (mips_move_integer): Likewise. Add a temporary register argument.
1199 (mips_legitimize_const_move): Use splittable_const_int_operand and
1200 splittable_symbolic_operand.
1201 (mips_use_anchors_for_symbol_p): New function.
1202 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1203 (mips_split_p): Declare.
1205 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1207 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1208 (mips*-*-linux*): Likewise.
1210 2006-03-16 Roger Sayle <roger@eyesopen.com>
1211 Daniel Speyer <dspeyer@wam.umd.edu>
1214 * tree-dump.c (dump_real): New function.
1215 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1216 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1217 (tree-dump.o): Add $(REAL_H) to the dependencies.
1219 2006-03-16 Roger Sayle <roger@eyesopen.com>
1222 * real.c (real_from_string): If the mantissa is zero, don't bother
1223 parsing the exponent as the result should always be zero.
1225 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1227 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1229 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1231 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1232 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1233 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1234 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1235 ia64_sched_finish_global): New static functions to implement
1236 hooks from gcc_target.sched.
1237 (spec_check_no, max_uid, pending_data_specs): New static variables.
1238 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1239 ia64_spec_check_src_p): New static functions.
1240 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1241 (TARGET_SCHED_ADJUST_COST): Removed.
1242 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1243 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1244 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1245 TARGET_SCHED_GEN_CHECK,
1246 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1247 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1248 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1249 Fixed to handle speculation checks.
1250 (rtx_needs_barrier): Fixed to handle speculative loads and
1252 (ia64_variable_issue): Added code to count speculative loads and their
1254 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1256 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1258 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1260 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1261 (ia64_reorg): Reset stops_p to NULL after it is freed.
1262 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1263 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1264 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1266 (data_speculative, control_speculative, check_load): New attributes.
1267 (mov<mode>_advanced, mov<mode>_speculative,
1268 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1269 zero_extend<mode>di2_speculative,
1270 zero_extend<mode>di2_speculative_advanced): New patterns for
1271 data and control speculative loads.
1272 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1274 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1275 New pattern for data and control speculation checks.
1276 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1277 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1278 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1279 Auxiliary definitions for the patterns.
1280 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1281 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1283 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1285 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1286 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1287 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1288 New resource constraints.
1289 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1291 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1292 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1293 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1294 msched-in-control-spec, msched-ldc, msched-control-ldc,
1295 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1296 msched-prefer-non-control-spec-insns,
1297 msched-count-spec-in-critical-path): New flags to tune speculative
1299 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1300 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1301 msched-in-control-spec, msched-ldc, msched-control-ldc,
1302 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1303 msched-prefer-non-control-spec-insns,
1304 msched-count-spec-in-critical-path): Document new flags.
1306 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1308 * target.h (struct spec_info_def): New opaque declaration.
1309 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1310 speculate_insn, needs_block_p, gen_check,
1311 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1312 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1313 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1314 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1315 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1316 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1318 (TARGET_SCHED): Use new macros.
1319 * rtl.h (copy_DEPS_LIST_list): New prototype.
1320 * sched-int.h (struct sched_info): Change signature of new_ready field,
1321 adjust all initializations. New fields: add_remove_insn,
1322 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1323 region_head_or_leaf_p.
1324 (struct spec_info_def): New structure declaration.
1325 (spec_info_t): New typedef.
1326 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1327 recovery_block, orig_pat.
1328 (glat_start, glat_end): New variables declaraions.
1329 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1331 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1332 DETACH_LIFE_INFO, USE_GLAT.
1333 (enum SPEC_SCHED_FLAGS): New enumeration.
1334 (NOTE_NOTE_BB_P): New macro.
1335 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1336 attach_life_info, debug_spec_status, check_reg_live): New functions.
1337 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1338 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1340 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1341 * ddg.c (get_block_head_tail): Adjust all uses.
1342 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1343 (sms_sched_info): Initialize new fields.
1344 (contributes_to_priority): Removed.
1345 * haifa-sched.c (params.h): New include.
1346 (get_block_head_tail): Adjust all uses.
1347 (ISSUE_POINTS): New macro.
1348 (glat_start, glat_end): New global variables.
1349 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1350 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1351 old_last_basic_block, before_recovery, current_sched_info_var,
1352 rgn_n_insns, luid): New static variables.
1353 (insn_cost1): New function. Move logic from insn_cost to here.
1354 (find_insn_reg_weight1): New function. Move logic from
1355 find_insn_reg_weight to here.
1356 (reemit_notes, move_insn, max_issue): Change signature.
1357 (move_insn1): Removed.
1358 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1359 extend_bb): New static functions to support extension of scheduler's
1361 (generate_recovery_code, process_insn_depend_be_in_spec,
1362 begin_speculative_block, add_to_speculative_block,
1363 init_before_recovery, create_recovery_block, create_check_block_twin,
1364 fix_recovery_deps): New static functions to support
1365 generation of recovery code.
1366 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1367 restore_bb_notes, move_block_after_check, move_succs): New static
1368 functions to support ebb scheduling.
1369 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1370 functions to support handling of register live information.
1371 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1372 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1373 add_jump_dependencies): New static functions.
1374 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1375 consistancy checking.
1376 (debug_spec_status): New function to call from debugger.
1377 (priority): Added code to handle speculation checks.
1378 (rank_for_schedule): Added code to distinguish speculative instructions.
1379 (schedule_insn): Added code to handle speculation checks.
1380 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1381 Fixed to handle ebbs.
1382 (move_insn): Added code to handle ebb scheduling.
1383 (max_issue): Added code to use ISSUE_POINTS of instructions.
1384 (choose_ready): Added code to choose between speculative and
1385 non-speculative instructions.
1386 (schedule_block): Added code to handle ebb scheduling and scheduling of
1387 speculative instructions.
1388 (sched_init): Initialize new variables.
1389 (sched_finish): Free new variables. Print statistics.
1390 (try_ready): Added code to handle speculative instructions.
1391 * lists.c (copy_DEPS_LIST_list): New function.
1392 * sched-deps.c (extend_dependency_caches): New function. Move logic
1393 from create_dependency_caches to here.
1394 (get_dep_weak, ds_merge): Make global.
1395 * genattr.c (main): Code to output prototype for
1396 dfa_clear_single_insn_cache.
1397 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1398 (output_dfa_clean_insn_cache_func): Code to output
1399 dfa_clear_single_insn_cache function.
1400 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1402 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1404 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1405 New static variables.
1406 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1407 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1409 (ebb_sched_info): Initialize new fields.
1410 (get_block_head_tail): Adjust all uses.
1411 (compute_jump_reg_dependencies): Fixed to use glat_start.
1412 (schedule_ebb): Code to remove unreachable last block.
1413 (schedule_ebbs): Added code to update register live information.
1414 * sched-rgn.c (region_sched_info): Initialize new fields.
1415 (get_block_head_tail): Adjust all uses.
1416 (last_was_jump): Removed. Adjust users.
1417 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1418 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1419 Implement new hooks.
1420 (check_dead_notes1): New static function.
1421 (struct region): New fields: dont_calc_deps, has_real_ebb.
1422 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1423 (BB_TO_BLOCK): Fixed to handle EBBs.
1424 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1425 (ebb_head): New static variable.
1426 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1427 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1429 (compute_dom_prob_ps): New assertion.
1430 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1431 global_live_at_start.
1432 (init_ready_list): New assertions.
1433 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1434 (new_ready): Add support for BEGIN_CONTROL speculation.
1435 (schedule_insns): Fixed code that updates register live information
1437 (schedule_region): Fixed to handle EBBs.
1438 (init_regions): Use extend_regions and check_dead_notes1.
1439 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1440 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1441 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1442 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1443 TARGET_SCHED_GEN_CHECK,
1444 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1445 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1446 * doc/invoke.texi (max-sched-insn-conflict-delay,
1447 sched-spec-prob-cutoff): Document.
1449 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1451 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
1452 inter_tick, queue_index.
1453 (struct sched_info): Change signature of init_ready_list field.
1454 Adjust all initializations.
1455 (RESOLVED_DEPS): New access macro.
1456 (ready_add): Remove prototype.
1457 (try_ready): Add prototype.
1458 * sched-rgn.c (init_ready_list): Use try_ready.
1459 (schedule_region): Initialize
1460 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
1461 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
1462 (init_ready_list): Use try_ready.
1463 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
1464 * lists.c (remove_list_elem): Remove `static'.
1465 (remove_free_INSN_LIST_elem): New function.
1466 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
1467 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
1468 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
1470 (readyp): New variable.
1471 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
1472 change_queue_index, resolve_dep): New static functions.
1473 (try_ready): New function. Adjust callers in sched-rgn.c and
1474 sched-ebb.c to use it instead of ready_add.
1475 (clock_var): Move at the begining of file.
1476 (rank_for_schedule): Fix typo.
1477 (queue_insn): Add assertion. Handle QUEUE_INDEX.
1478 (ready_lastpos): Enforce assertion.
1479 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
1481 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
1482 (schedule_insn): Rewrite to use try_ready and resolve_dep.
1483 (queue_to_ready): Use free_INSN_LIST_list.
1484 (early_queue_to_ready): Fix typo.
1485 (schedule_block): Init readyp. Move init_ready_list call after the
1486 initialization of clock_var. Fix error in rejecting insn by
1487 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
1488 that previously corrected INSN_TICKs. Add code for handling
1490 (set_priorities): Fix typo.
1491 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
1492 Clarify comment and code that keeps current_sched_info->next_tail
1495 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1497 * sched-rgn.c (extend_rgns): New static function.
1498 (find_rgns): Use it.
1499 (gather_region_statistics, print_region_statistics): New static
1501 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
1502 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1504 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1505 Andrey Belevantsev <abel@ispras.ru>
1507 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
1508 * lists.c (unused_deps_list): New variable.
1509 (free_list): Add assertions to verify the proper distinguishing
1510 between INSN_LISTs and DEPS_LISTs.
1511 (find_list_elem, remove_list_elem, remove_list_node): New static
1513 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
1514 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
1515 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
1516 (alloc_INSN_LIST): Assert that the list we're working on is indeed
1518 (free_INSN_LIST_node): Likewise.
1519 * modulo-sched.c (current_sched_info): Initialize flags field.
1520 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
1521 * rtl.def (DEPS_LIST): Define.
1522 * rtl.h: Declare new functions from lists.c.
1523 * sched-deps.c (spec_dependency_cache): New static variable.
1524 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
1525 (add_dependence): Change return type to void. Move the logic to ...
1526 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
1527 (delete_all_dependences): Add comment about forward_dependency_cache.
1528 Handle spec_dependency_cache. Handle DEPS_LISTs.
1529 (fixup_sched_groups): Clarify the change of priority of output
1530 and anti dependencies.
1531 (sched_analyze_2): Adjust add_dependence calls to create data
1532 speculative dependence.
1533 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
1534 Adjust all callers. Handle DEPS_LISTS.
1535 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
1536 presence of speculation.
1537 (init_dependency_caches, free_dependency_caches):
1538 Handle spec_dependency_cache.
1539 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
1540 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
1541 New static functions.
1542 (add_or_update_back_dep, add_or_update_back_forw_dep,
1543 add_back_forw_dep, delete_back_forw_dep): New functions.
1544 * sched-int.h (ds_t, dw_t): New typedefs.
1545 (struct sched_info): Add new field flags.
1546 (struct haifa_insn_data): Add new bitfield has_internal_dep.
1547 Prototype new sched-deps.c functions.
1548 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
1549 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
1550 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
1551 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
1552 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
1553 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
1555 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
1557 * sched-rgn.c (current_sched_info): Initialize flags field.
1558 (schedule_insns): Initialize current_sched_info before the sched_init
1560 * sched-ebb.c (current_sched_info): Initialize flags field.
1561 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
1562 Call add_or_update_back_dep instead of add_dependence.
1563 Create control speculative dependencies.
1564 (schedule_insns): Initialize current_sched_info before the sched_init
1567 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
1569 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
1571 (sh_fallback_frame_state): Likewise.
1573 2006-03-15 Geoffrey Keating <geoffk@apple.com>
1575 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
1576 Do switch on default_use_cxa_atexit.
1577 (powerpc*-*-darwin*): Build crt2.o on powerpc.
1578 * config/darwin-crt3.o: New.
1579 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
1580 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
1581 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
1583 * config/rs6000/t-darwin: Move crt2.o building to here.
1584 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
1585 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
1588 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1590 * config/vax/vax.c (nonindexed_address_p): Change logical negation
1591 from '! xxx' to '!xxx' for coding-style conformance.
1592 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
1593 (EXTRA_CONSTRAINT): Likewise.
1594 * config/vax/vax.md (four unnamed insns): Likewise.
1596 2006-03-15 Paul Brook <paul@codesourcery.com>
1598 * config/arm/arm.c (minipool_pad): New.
1599 (add_minipool_forward_ref): Include pool alignment padding in address
1601 (push_minipool_fix): Set minipool_pad.
1602 (minipool_pad): Ditto.
1604 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1606 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
1607 instead of GET_CODE() == MEM and REG_P() instead of
1609 (print_operand_address): Likewise.
1610 (vax_address_cost): Likewise.
1611 (vax_rtx_costs): Likewise.
1612 (vax_notice_update_cc): Likewise.
1613 (vax_output_int_add): Likewise.
1614 (INDEX_REGISTER_P): Likewise.
1615 (BASE_REGISTER_P): Likewise.
1616 (nonindexed_address_p): Likewise.
1617 (vax_mode_dependent_address_p): Likewise.
1618 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
1619 (PRINT_OPERAND): Likewise.
1620 * config/vax/vax.md (ashlsi3): Likewise.
1621 (ashlsi3): Likewise.
1622 (some more unnamed insns): Likewise.
1624 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
1626 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
1627 iterator-style macro.
1628 (mark_control_dependent_edges_necessary): Update the use of
1629 EXECUTE_IF_CONTROL_DEPENDENT.
1631 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
1633 * config/sh/predicates.md (cache_address_operand): Special.
1634 (ua_address_operand): Likewise.
1636 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
1638 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
1640 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
1642 2006-03-15 Andreas Schwab <schwab@suse.de>
1644 * gensupport.c (identify_predicable_attribute): Don't free p_false
1645 when it is still in use.
1647 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1649 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
1650 the default setting here.
1652 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
1654 * tree-pass.h (pass_cfg): Remove.
1655 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
1656 * passes.c (pass_cfg): Don't run it.
1658 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
1660 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
1661 * reg-stack.c (stack_regs_mentioned_data): Change the type to
1663 (stack_regs_mentioned): Update the uses of
1664 stack_regs_mentioned_data. Don't access the array beyond its
1666 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
1667 Don't include gt-reg-stack.h.
1669 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
1670 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
1672 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
1675 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
1678 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1680 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
1682 2006-03-14 Richard Guenther <rguenther@suse.de>
1684 PR tree-optimization/26672
1685 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
1688 2006-03-14 Richard Guenther <rguenther@suse.de>
1690 PR tree-optimization/26667
1691 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
1692 node for the callees. Always allow inlining if it will shrink
1695 2006-03-14 Richard Guenther <rguenther@suse.de>
1698 * builtins.c (get_pointer_alignment): Prefer alignment
1699 information from decls over that from types.
1701 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
1704 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
1706 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
1708 * config/rs6000/rs6000.opt (mdlmzb): New option.
1709 (msched-prolog, msched-epilog): Use Var not Mask.
1710 * doc/invoke.texi (-mdlmzb): Document.
1711 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1713 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
1714 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
1716 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
1718 PR rtl-optimization/25739
1719 * bt-load.c (augment_live_range): Free tos pointer.
1721 * gensupport.c (identify_predicable_attribute): Free
1723 * gcov.c (create_file_names): Free name pointer.
1725 2006-03-13 Roger Sayle <roger@eyesopen.com>
1728 * stmt.c (emit_case_nodes): Handle the case where the index is a
1729 CONST_INT, where the comparison mode is specified by the index type.
1731 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1733 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
1736 2006-03-13 Richard Sandiford <richard@codesourcery.com>
1738 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
1739 (*branch_fp_inverted): Likewise.
1741 2006-03-13 Jakub Jelinek <jakub@redhat.com>
1744 * omp-low.c (expand_omp_for_generic): Mark istart0
1745 and iend0 as addressable.
1747 2006-03-13 Jie Zhang <jie.zhang@analog.com>
1749 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
1751 2006-03-13 Jeff Law <law@redhat.com>
1753 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
1754 virtual operands are interesting.
1755 (vrp_visit_stmt): Corresponding changes.
1757 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
1759 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
1761 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
1762 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
1763 * config/bfin/crti.S: Use it instead of __PIC__.
1764 * config/bfin/crtn.S: Likewise.
1766 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
1767 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
1769 Lose 'G' modifier for call operand.
1770 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
1771 recognize 'G' modifier.
1773 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
1776 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
1777 * stmt.c (expand_case): Likewise.
1779 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1781 PR rtl-optimization/26254
1782 * loop-invariant.c (seq_insns_valid_p): New function.
1783 (move_invariant_reg): Only emit new code if it is valid.
1785 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1787 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
1789 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
1790 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
1791 (commit_one_edge_insertion): Do not look for loop notes.
1793 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1795 * jump.c (follow_jumps): Do not check for loop notes. Move check for
1796 flag_test_coverage out of loop.
1798 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1800 * final.c (shorten_branches): Remove outdated comment, and turn
1801 the if branch that guards it to continue.
1803 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1805 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
1806 * cfgloop.h (struct loop): Remove unused fields.
1808 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
1810 * doc/invoke.texi (-fdump-rtl-loop): Remove.
1811 (-dL, -fdump-rtl-loop2): Update the dump file names
1813 * doc/invoke.texi: Update dump file names.
1815 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
1817 * predict.c (estimate_probability): Remove.
1818 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
1819 * basic-block.h (estimate_probability): Remove prototype.
1820 * passes.c (finish_optimization_passes): Dump branch prediction or
1821 profiling heuristics to the .profile tree dump.
1822 (init_optimization_passes): Unqueue pass_branch_prob.
1824 * doc/invoke.texi (-fdump-rtl-bp): Remove.
1826 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1828 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
1829 * rtl.h (LABEL_NEXTREF): Remove field accessor.
1831 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
1833 * function.h (frame_offset_overflow): Declare.
1834 * function.c (frame_offset_overflow): New function.
1835 (assign_stack_local_1): Call it to detect that the offset overflows.
1836 * cfgexpand.c (alloc_stack_frame_space): Likewise.
1838 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1840 * config/sh/sh.c: Include alloc-pool.h.
1841 (label_ref_list_pool): New alloc pool.
1842 (label_ref_list_t): New type for lists of labels.
1843 (struct pool_node): Make wend a label_ref_list_t.
1844 (add_constant): Use the new type, eradicate LABEL_NEXTREF
1846 (dump_table): Likewise.
1847 (sh_reorg): Set up the alloc pool before using add_constant and
1848 dump_table, and destroy it when finishing.
1850 2006-03-11 Richard Sandiford <richard@codesourcery.com>
1852 * config/mips/mips.c: Remove redundant comment.
1854 2006-03-10 Jason Merrill <jason@redhat.com>
1857 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
1858 the target was declared 'register'.
1860 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
1862 * genpreds.c (write_insn_constraint_len): Change definition of
1863 insn_constraint_len to return size_t to match the declaration.
1865 2006-03-10 DJ Delorie <dj@redhat.com>
1867 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
1869 (m32c_expand_insv): Fix test for an AND mask.
1871 2006-03-10 Richard Guenther <rguenther@suse.de>
1874 * builtins.c (get_pointer_alignment): Handle component
1875 references for field alignment.
1877 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1879 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
1880 when building with libgloss.
1881 (sh*elf): Implement --without-fp option.
1882 (sh64-superh-linux*): Don't multilib.
1884 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1886 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
1888 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
1890 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
1891 Set it when one of the replacement functions returned true.
1892 Return TODO_cleanup_cfg if cfgchanged is true.
1893 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
1895 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
1897 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
1898 instead of gen_lowpart.
1900 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1902 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
1904 (mips_output_order_conditional_branch): Declare.
1905 * config/mips/mips.h (MIPS_BRANCH): New macro.
1906 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
1907 for the comparison. Use gen_condjump.
1908 (mips_output_conditional_branch): Rework interface to take the
1909 asm templates for a direct branch and the inverse of a direct branch.
1910 (mips_output_order_conditional_branch): New function.
1911 (mips_builtin_branch_and_move): New function.
1912 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
1913 branch condition. Use gen_single_cc as the condition for
1914 __builtin_mips_upper_* or __builtin_mips_lower_*.
1915 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
1916 Use VOIDmode for the branch condition.
1917 * config/mips/predicates.md (order_operator): New predicate.
1918 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
1919 (branch_fp): Rename to...
1920 (*branch_fp): ...this. Remove mode from comparison operator.
1921 Use new mips_output_conditional_branch interface.
1922 (branch_fp_inverted): Rename to...
1923 (*branch_fp_inverted): ...this and update as for *branch_fp.
1924 (*branch_zero<mode>): Rename to...
1925 (*branch_order<mode>): ...this. Remove mode from comparison operator.
1926 Use mips_output_order_conditional_branch. Only accept ordered
1928 (*branch_zero<mode>_inverted): Rename to...
1929 (*branch_order<mode>_inverted): ...this and update as for
1930 *branch_order<mode>.
1931 (*branch_equality<mode>): Accept zero as the second operand to
1932 the equality operator. Use the new mips_output_conditional_branch
1934 (*branch_equality<mode>_inverted): Likewise.
1935 (condjump): New expander.
1936 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
1938 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
1939 (bc1any2t, bc1any2f): Likewise.
1940 (single_cc): New expander.
1941 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
1943 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1945 * doc/md.texi: Update documentation of MIPS constraints.
1946 * config/mips/constraints.md: New file.
1947 * config/mips/mips.md: Include it.
1948 * config/mips/mips.c (mips_char_to_class): Delete.
1949 (override_options): Don't initialize mips_char_to_class.
1950 * config/mips/mips.h (mips_char_to_class): Delete.
1951 (REG_CLASS_FROM_LETTER): Delete.
1952 (CONST_OK_FOR_LETTER_P): Delete.
1953 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1954 (EXTRA_CONSTRAINT_Y): Delete.
1955 (EXTRA_CONSTRAINT_STR): Delete.
1956 (CONSTRAINT_LEN): Delete.
1957 (EXTRA_MEMORY_CONSTRAINT): Delete.
1959 2006-03-09 Diego Novillo <dnovillo@redhat.com>
1961 * tree-cfg.c (move_block_to_fn): Remove the statements from the
1962 original fn's eh regions.
1964 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
1966 * fold-const.c (build_range_check): Make sure to use a valid type to
1967 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
1970 (range_predecessor): New static function.
1971 (range_successor): Likewise.
1972 (merge_ranges): Use them to compute predecessors and successors of
1975 2006-03-09 Roger Sayle <roger@eyesopen.com>
1978 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
1979 X op C3, consider whether C3 overflows towards +Inf or -Inf.
1981 2006-03-08 DJ Delorie <dj@redhat.com>
1983 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
1984 (addpsi3): Expand to include memory operands. Remove
1985 reload-specific splits.
1986 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
1987 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
1988 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
1989 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
1990 (shift1_qi, shift1_hi, insv): New.
1991 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
1992 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
1993 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
1995 * config/m32c/m32c-protos.h: Update as needed.
1996 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
1997 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
1998 Fail for unrecognized R* constraints.
1999 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2000 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2001 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2003 (m32c_init_libfuncs): New.
2004 (m32c_legitimate_address_p): Add debug wrapper.
2005 (m32c_rtx_costs): New.
2006 (m32c_address_cost): New.
2007 (conversions): Add 'B' prefix.
2008 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2009 operands, or word regnames for QI operands. 'B' prints bit
2011 (m32c_expand_setmemhi): New.
2012 (m32c_expand_movmemhi): New.
2013 (m32c_expand_movstr): New.
2014 (m32c_expand_cmpstr): New.
2015 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2016 (m32c_expand_neg_mulpsi3): Handle non-ints.
2017 (m32c_cmp_flg_0): New.
2018 (m32c_expand_movcc): New.
2019 (m32c_expand_insv): New.
2020 (m32c_scc_pattern): New.
2021 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2022 a0/a1 out of SIregs.
2023 (STORE_FLAG_VALUE): New.
2024 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2027 * config/m32c/mov.md: Make constraints more liberal.
2028 (zero_extendqihi2): Optimize r0/r1 case.
2029 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2030 * config/m32c/predicates.md (m32c_any_operand): New.
2031 (m32c_nonimmediate_operand): New.
2032 (m32c_hl_operand): New.
2033 (m32c_r3_operand): New.
2036 (memsym_operand): New.
2037 (memimmed_operand): New.
2038 (a_qi_operand): New.
2039 (m32c_eqne_operator): New.
2040 (m32c_1bit8_operand): New.
2041 (m32c_1bit16_operand): New.
2042 (m32c_1mask8_operand): New.
2043 (m32c_1mask16_operand): New.
2044 * config/m32c/blkmov.md: New file.
2045 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2047 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2049 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2050 unsigned to fix signed/unsigned comparison issue in
2051 DWARF2_FRAME_REG_OUT.
2052 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2053 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2055 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2056 of ptr into the ENABLE_CHECKING section.
2058 2006-03-08 Jeff Law <law@redhat.com>
2060 * tree-vrp.c (infer_value_range): Only count pointer uses
2061 and dereferences if -fdelete-null-pointer-checks is enabled.
2063 * tree-vrp.c (find_assert_locations): Infer value ranges for
2064 single use pointers, but do not create ASSERT_EXPRs for them.
2065 When a non-null range is inferred for a pointer, backwards
2066 propagate that range to other equivalent pointers through the
2069 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2072 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2073 language hook targets.
2074 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2075 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2076 if language hook targets were missing.
2078 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2080 * tree-ssa-opfinalize.h: Removed.
2081 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2083 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2084 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2085 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2086 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2087 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2088 finalize_ssa_v_must_def_ops): New.
2090 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2092 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2095 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2097 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2099 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2100 addresses with offsets; reorganize.
2102 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2103 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2104 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2106 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2109 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2111 2006-03-08 Ben Elliston <bje@au.ibm.com>
2113 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2115 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2118 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2121 2006-03-07 Richard Guenther <rguenther@suse.de>
2123 PR tree-optimization/26587
2124 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2126 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2128 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2130 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2132 * hooks.c (hook_bool_mode_rtx_true): New function.
2133 * hooks.h (hook_bool_mode_rtx_true): Declare.
2134 * toplev.c (compile_file): Call output_shared_constant_pool.
2135 * varasm.c (shared_constant_pool): New variable.
2136 (assemble_start_function, assemble_end_function): Remove arguments
2137 from call to output_constant_pool.
2138 (create_constant_pool): New function, split out from...
2139 (init_varasm_status): ...here.
2140 (force_const_mem): Choose between the shared and per-function constant
2141 pools. Set current_function_uses_const_pool when reusing old entries
2142 as well as when creating new ones.
2143 (mark_constant): Ignore data argument.
2144 (mark_constants): Remove pool argument.
2145 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2146 to decide whether the function uses a constant pool.
2147 (output_constant_pool_contents): New function, split out from...
2148 (output_constant_pool): ...here.
2149 (output_shared_constant_pool): New function.
2150 (init_varasm_once): Initialize shared_constant_pool.
2151 * output.h (output_constant_pool): Delete.
2152 (output_shared_constant_pool): Declare.
2153 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2154 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2156 2006-03-06 Nick Clifton <nickc@redhat.com>
2158 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2159 flag_strength_reduce.
2161 2006-03-06 Ben Elliston <bje@au.ibm.com>
2163 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2164 x86_64-*-linux* configurations.
2166 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2167 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2169 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2171 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2173 * basic-block.h: Remove the extern for
2174 rediscover_loops_after_threading.
2176 * cfgloop.c (cancel_loop): Make it static.
2177 * cfgloop.h: Remove the prototype for cancel_loop.
2179 * flow.c (recompute_reg_usage): Make it static.
2180 * rtl.h: Remove the prototype for recompute_reg_usage.
2182 * function.c (use_return_register): Make it static.
2183 * function.h: Remove the prototype.
2185 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2187 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2189 * recog.h: Remove the prototype for
2190 validate_change_maybe_volatile.
2192 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2194 * rtlanal.c (replace_reg): Remove.
2195 * rtl.h: Remove the prototype for replace_reg.
2197 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2199 * regclass.c (reg_scan_update): Remove.
2200 (reg_scan_mark_refs): Remove the last argument.
2201 * rtl.h: Remove the prototype for reg_scan_update.
2203 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2205 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2206 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2207 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2208 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2209 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2210 loop-invariant.c, omp-low.c, opts.c, passes.c,
2211 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2212 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2213 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2214 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2215 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2216 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2218 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2220 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2221 * dwarf2out.h: Remove the prototype for
2222 dwarf2out_add_library_unit_info.
2224 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2226 * tree.c (add_var_to_bind_expr): Remove.
2227 * tree.h: Remove the prototype for add_var_to_bind_expr.
2229 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2231 * regclass.c (n_non_fixed_regs): Remove.
2232 (init_reg_sets_1, globalize_reg): Remove all uses of
2234 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2236 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2238 * rtlanal.c (insns_safe_to_move_p): Remove.
2239 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2241 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2243 * expmed.c (expand_mult_add): Remove.
2244 * expr.h: Remove the prototype for expand_mult_add.
2246 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2248 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2249 and REG_SAVED_VAL_EXP constants.
2250 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2251 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2252 Handle regs stored by value.
2253 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2254 (execute_cfa_program): Handle DW_CFA_val_offset,
2255 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2256 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2257 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2258 (uw_install_context_1): Handle target regs stored by value.
2260 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2262 * tree-sra.c (tree_sra): Return todoflags;
2263 (generate_one_element): Set TODO_update_smt_usage if needed.
2264 (pass_sra): Remove TODO_update_smt_usage.
2265 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2267 (tree_ssa_forward_propagate_single_use_vars): Return
2268 TODO_update_smt_usage if we need to update SMT usage.
2269 (pass_forwprop): Remove TODO_update_smt_usage.
2271 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2273 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2274 (correct_use_link): Remove reference to get_stmt_operands.
2275 (update_stmt_operands): Likewise.
2276 (get_modify_expr_operands): New function factored out of
2277 parse_ssa_operands and get_expr_operands.
2278 Try to create V_MUST_DEFs for LHS by default.
2279 (get_expr_operands) <case MODIFY_EXPR>: Call
2280 get_modify_expr_operands.
2281 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2282 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2283 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2284 get_modify_expr_operands.
2286 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2288 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2289 * tree-flow.h: Remove the prototype for
2290 referenced_var_lookup_if_exists.
2292 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2294 PR rtl-optimization/26345
2296 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2298 2006-03-03 Roger Sayle <roger@eyesopen.com>
2300 PR tree-optimization/26524
2301 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2302 fold_convert to create a constant of the appropriate type.
2304 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2306 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2307 SYMBOL_REF_IN_BLOCK_P.
2308 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2309 of SYMBOL_FLAG_IN_BLOCK.
2310 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2311 instead of SYMBOL_REF_IN_BLOCK_P.
2312 * explow.c (use_anchored_address): Likewise.
2313 * rtl.c (rtx_size): Likewise.
2314 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2315 instead of SYMBOL_FLAG_IN_BLOCK.
2316 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2317 SYMBOL_REF_IN_BLOCK_P.
2318 (assemble_variable): Likewise.
2319 (output_constant_def_contents): Likewise.
2320 (output_constant_pool): Likewise.
2321 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2322 instead of SYMBOL_FLAG_IN_BLOCK.
2323 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2324 SYMBOL_REF_IN_BLOCK_P.
2325 (SYMBOL_REF_BLOCK): Likewise.
2326 (SYMBOL_REF_OFFSET): Likewise.
2327 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2328 SYMBOL_REF_IN_BLOCK_P.
2329 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2330 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2331 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2332 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2334 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2336 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2338 2006-03-02 Roger Sayle <roger@eyesopen.com>
2340 * simplify-rtx.c (simplify_unary_operation): When simplifying
2341 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2342 that we perform the right shift in the appropriate mode, and
2343 then extend or truncate the result to requested mode.
2345 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2347 * gengtype.c (main): Handle double_int type.
2348 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2349 * double-int.c: New file.
2350 * double-int.h: New file.
2351 * system.h: Include doubleint.h.
2352 * Makefile.in (SYSTEM_H): Include double-int.h.
2353 (double-int.o): Add.
2355 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2358 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2361 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2363 * tree-vrp.c (remove_range_assertions): Do not update statements
2366 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2368 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2370 * gcse.c (rest_of_handle_gcse): Ditto.
2371 * except.c (gate_handle_eh): Ditto.
2372 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2373 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2375 2006-03-02 Eric Christopher <echristo@apple.com>
2377 * config/i386/i386.c (machopic_output_stub): Add indirection to
2380 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2384 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2386 Sun Niagara specific optimizations.
2387 * config.gcc: Recognize niagara as target.
2388 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2389 (TARGET_CPU_niagara): Define.
2390 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2391 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2392 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2393 (ASM_CPU_SPEC): Likewise.
2394 (PROCESSOR_NIAGARA): New enum entry.
2395 (REGISTER_MOVE_COST): Handle Niagara.
2396 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2397 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2398 (sparc_override_options): Recognize "niagara", set appropriate
2399 default MASK_* values for it, and align functions to 32-bytes
2400 by default just like ULTRASPARC/ULTRASPARC3.
2401 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2402 (sparc64_initialize_trampoline): Likewise.
2403 (sparc_use_sched_lookahead): Use zero for niagara.
2404 (sparc_issue_rate): Use one for niagara.
2405 * config/sparc/niagara.md: New file.
2406 * config/sparc/sparc.md: Include it.
2407 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2408 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2409 when default cpu is niagara.
2410 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2411 (ASM_CPU_SPEC): Likewise.
2412 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2413 when default cpu is niagara.
2414 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2415 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2416 just like v9/ultrasparc/ultrasparc3.
2417 * doc/invoke.texi: Add documentation for "niagara" and improve
2418 existing documentation for ultrasparc variants.
2420 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2422 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2424 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2426 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2427 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2428 and say that only one is needed.
2429 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2430 * target.h (have_switchable_bss_sections): New hook.
2431 * explow.c (use_anchored_address): Check that the symbol is in a block.
2432 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2433 (bss_noswitch_section): New variables.
2434 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2435 (get_noswitch_section): New function.
2436 (get_block_for_section): Allow SECT to be null.
2437 (unlikely_text_section_p): Use SECTION_STYLE.
2438 (bss_initializer_p): New function.
2439 (get_variable_section): Move earlier in file. Take a new argument,
2440 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2441 Return one of the new *_sections in such cases.
2442 (get_block_for_decl): New function, extracting some logic from
2443 use_blocks_for_decl_p.
2444 (change_symbol_section): Remove in favor of...
2445 (change_symbol_block): ...this new function.
2446 (use_blocks_for_decl_p): Remove checks now performed by
2448 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
2449 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
2450 (emit_local, emit_bss, emit_common): ...these new functions.
2451 Return true if the alignment was honored.
2452 (emit_tls_common): New function.
2453 (asm_emit_uninitialised): Delete.
2454 (assemble_variable_noswitch): New function, split out from...
2455 (assemble_variable): ...here. Don't make decisions about common
2456 variables here. Globalize all public decls that go into non-common
2457 sections. Check whether SYMBOL_REF_BLOCK is null.
2458 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
2459 (output_constant_pool): Likewise.
2460 (init_varasm_once): Initialize the new section variables.
2461 (have_global_bss_p): New function.
2462 (categorize_decl_for_section): Use bss_initializer_p.
2463 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
2464 (place_block_symbol): Assert that the symbol must be in a block.
2465 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
2466 (TARGET_INITIALIZER): Include it.
2467 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
2468 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
2469 (SECTION_MACH_DEP): Bump by two.
2470 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
2471 (unnamed_section): Mention SECTION_UNNAMED in comment.
2472 (named_section): Likewise SECTION_NAMED.
2473 (noswitch_section_callback): New type.
2474 (noswitch_section): New structure.
2475 (section): Add a noswitch_section alternative.
2476 (SECTION_STYLE): New macro.
2477 (tls_comm_section, comm_section, lcomm_section): Declare.
2478 (bss_noswitch_section, have_global_bss_p): Declare.
2479 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2480 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2482 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2483 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2486 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
2488 * gcc/tree-vrp.c (execute_vrp): Return value.
2489 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
2490 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
2491 * gcc/tree-complex.c (tree_lower_complex): Ditto.
2492 (tree_lower_complex_O0): Ditto.
2493 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
2494 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
2495 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
2496 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
2497 (execute_tail_calls): Ditto.
2498 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2499 * gcc/tree.h (init_function_for_compilation): Ditto.
2500 * gcc/ipa-cp.c (ipcp_driver): Ditto.
2501 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
2502 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
2503 * gcc/final.c (compute_alignments): Ditto.
2504 (rest_of_handle_final): Ditto.
2505 (rest_of_handle_shorten_branches): Ditto.
2506 (rest_of_clean_state): Ditto.
2507 * gcc/omp-low.c (execute_expand_omp): Ditto.
2508 (execute_lower_omp): Ditto.
2509 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
2510 * gcc/ipa-reference.c (static_execute): Ditto.
2511 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
2512 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
2513 (rest_of_handle_machine_reorg): Ditto.
2514 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
2515 * gcc/flow.c (recompute_reg_usage): Ditto.
2516 (rest_of_handle_remove_death_notes): Ditto.
2517 (rest_of_handle_life): Ditto.
2518 (rest_of_handle_flow2): Ditto.
2519 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
2520 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
2521 (do_ssa_store_ccp): Ditto.
2522 (execute_fold_all_builtins): Ditto.
2523 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
2524 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
2525 * gcc/ipa-pure-const.c (static_execute): Ditto.
2526 * gcc/cse.c (rest_of_handle_cse): Ditto.
2527 (rest_of_handle_cse2): Ditto.
2528 * gcc/web.c (rest_of_handle_web): Ditto.
2529 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
2530 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
2531 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2532 * gcc/tree-nrv.c (tree_nrv): Ditto.
2533 (execute_return_slot_opt): Ditto.
2534 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
2535 (create_structure_vars): Ditto.
2536 * gcc/loop-init.c (rtl_loop_init): Ditto.
2537 (rtl_loop_done): Ditto.
2538 (rtl_move_loop_invariants): Ditto.
2539 (rtl_unswitch): Ditto.
2540 (rtl_unroll_and_peel_loops): Ditto.
2541 (rtl_doloop): Ditto.
2542 * gcc/gimple-low.c (lower_function_body): Ditto.
2543 (mark_used_blocks): Ditto.
2544 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
2545 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
2546 (cgraph_early_inlining): Ditto.
2547 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
2548 * gcc/jump.c (cleanup_barriers): Ditto.
2549 (purge_line_number_notes): Ditto.
2550 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
2551 (rest_of_handle_if_after_reload): Ditto.
2552 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
2553 (tree_ssa_loop_im): Ditto.
2554 (tree_ssa_loop_unswitch): Ditto.
2555 (tree_vectorize): Ditto.
2556 (tree_linear_transform): Ditto.
2557 (tree_ssa_loop_ivcanon): Ditto.
2558 (tree_ssa_empty_loop): Ditto.
2559 (tree_ssa_loop_bounds): Ditto.
2560 (tree_complete_unroll): Ditto.
2561 (tree_ssa_loop_prefetch): Ditto.
2562 (tree_ssa_loop_ivopts): Ditto.
2563 (tree_ssa_loop_done): Ditto.
2564 * gcc/predict.c (tree_estimate_probability): Ditto.
2565 * gcc/recog.c (split_all_insns_noflow): Ditto.
2566 (rest_of_handle_peephole2): Ditto.
2567 (rest_of_handle_split_all_insns): Ditto.
2568 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
2569 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
2570 (rest_of_handle_stack_adjustments): Ditto.
2571 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
2572 * gcc/function.c (instantiate_virtual_regs): Ditto.
2573 (init_function_for_compilation): Ditto.
2574 (rest_of_handle_check_leaf_regs): Ditto.
2575 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
2576 (rest_of_handle_gcse): Ditto.
2577 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
2578 * gcc/alias.c (rest_of_handle_cfg): Ditto.
2579 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
2580 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
2581 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
2582 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
2583 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
2584 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
2585 * gcc/except.c (set_nothrow_function_flags): Ditto.
2586 (convert_to_eh_region_ranges): Ditto.
2587 (rest_of_handle_eh): Ditto.
2588 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
2589 (remove_unnecessary_notes): Ditto.
2590 * gcc/except.h (set_nothrow_function_flags): Ditto.
2591 (convert_to_eh_region_ranges): Ditto.
2592 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
2593 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
2594 * gcc/tree-ssa-pre.c (do_pre): Ditto.
2595 (execute_fre): Ditto.
2596 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
2597 (rest_of_handle_jump2): Ditto.
2598 * gcc/tree-sra.c (tree_sra): Ditto.
2599 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
2600 (execute_mudflap_function_decls): Ditto.
2601 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
2602 (do_store_copy_prop): Ditto.
2603 * gcc/ipa-prop.h (ipcp_driver): Ditto.
2604 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
2605 * gcc/tree-ssa-forwprop.c
2606 (tree_ssa_forward_propagate_single_use_vars): Ditto.
2607 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
2608 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
2609 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
2610 (execute_late_warn_uninitialized): Ditto.
2611 * gcc/rtl.h (cleanup_barriers): Ditto.
2612 (split_all_insns_noflow): Ditto.
2613 (purge_line_number_notes): Ditto.
2614 (unshare_all_rtl): Ditto.
2615 (remove_unnecessary_notes): Ditto.
2616 (recompute_reg_usage): Ditto.
2617 (variable_tracking_main): Ditto.
2618 * gcc/integrate.c (emit_initial_value_sets): Ditto.
2619 * gcc/integrate.h (emit_initial_value_sets): Ditto.
2620 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
2621 (execute_free_cfg_annotations): Ditto.
2622 (execute_fixup_cfg): Ditto.
2623 (execute_cleanup_cfg_pre_ipa): Ditto.
2624 (execute_cleanup_cfg_post_optimizing): Ditto.
2625 (execute_init_datastructures): Ditto.
2626 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
2627 * gcc/combine.c (rest_of_handle_combine): Ditto.
2628 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
2629 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
2630 (rest_of_handle_reorder_blocks): Ditto.
2631 (rest_of_handle_partition_blocks): Ditto.
2632 * gcc/var-tracking.c (variable_tracking_main): Ditto.
2633 * gcc/tree-profile.c (tree_profiling): Ditto.
2634 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
2635 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
2636 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
2637 (rest_of_handle_sched2): Ditto.
2638 * gcc/basic-block.h (free_bb_insn): Ditto.
2639 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
2640 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
2641 (remove_useless_stmts): Ditto.
2642 (split_critical_edges): Ditto.
2643 (execute_warn_function_return): Ditto.
2644 (execute_warn_function_noreturn): Ditto.
2645 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
2646 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
2647 * gcc/passes.c (execute_one_pass): Run additional
2648 todos returned by execute function.
2649 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
2652 2006-03-02 Richard Guenther <rguenther@suse.de>
2654 * tree-ssa-alias.c (find_used_portions): Consider taking
2655 the address as making the variable not write-only.
2657 2006-03-02 Nick Clifton <nickc@redhat.com>
2659 * config.gcc (default_use_cxa_atexit): Extend the description of
2660 this configure variable. Set its default value to "yes" for
2661 Linux, NetBSD and ELF targets on the assumption that they will
2662 use C libraries with the __cxa_atexit function.
2664 2006-03-02 Ben Elliston <bje@au.ibm.com>
2666 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
2667 parameter as unused to suppress a build warning.
2669 2006-03-02 Ben Elliston <bje@au.ibm.com>
2671 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
2674 2006-03-01 Roger Sayle <roger@eyesopen.com>
2677 * gthr-posix.h (__gthrw2): Define to take three parameters, the
2678 declared name, the weak reference name, and the typeof name.
2679 (__gthrw): Avoid expanding the declared name suffix.
2680 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
2682 2006-03-01 Jakub Jelinek <jakub@redhat.com>
2684 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
2686 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
2687 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
2688 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
2689 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
2690 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
2691 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
2692 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
2693 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
2694 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
2695 DW_DS_leading_separate, DW_DS_trailing_separate): New.
2696 (DW_END_default, DW_END_big, DW_END_little): New.
2697 (DW_END_lo_user, DW_END_hi_user): Define.
2698 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
2699 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
2700 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
2703 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2705 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
2707 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
2709 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
2711 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
2713 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
2714 to 'symbol_mem_tag'.
2716 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
2719 2006-03-01 Roger Sayle <roger@eyesopen.com>
2721 * builtins.c (fold_builtin_copysign): Delete unreachable code.
2723 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2726 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
2727 MACHO_DYNAMIC_NO_PIC_P.
2728 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
2730 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2733 * config/darwin-protos.h (darwin_asm_output_anchor):
2735 * config/darwin-sections.def (cstring_section):
2736 Add SECTION_MERGE to the flags.
2737 (literal4_section): Likewise.
2738 (literal8_section): Likewise.
2739 (objc_selector_refs_section): Likewise.
2740 (objc_cls_refs_section): Likewise.
2741 * config/darwin.c (darwin_asm_output_anchor): New
2743 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2745 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
2747 Fix PR tree-optimization/26443
2748 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
2749 to todo and PROP_tmt_usage to properties_destroyed.
2750 * tree-ssa-ccp.c (pass_ccp): Ditto.
2751 (pass_store_ccp): Ditto.
2752 * tree-ssa-dom.c (pass_dominator): Ditto.
2754 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2756 * tree-ssa-operands.c: Cleanup whitespace.
2757 (get_asm_expr_operands): Move before first invocation.
2758 (get_indirect_ref_operands): Likewise.
2759 (get_tmr_operands): Likewise.
2760 (get_call_expr_operands): Likewise.
2761 (append_def): Likewise.
2762 (append_use): Likewise.
2763 (append_v_may_def): Likewise.
2764 (append_v_must_def): Likewise.
2765 (add_call_clobber_ops): Likewise.
2766 (add_call_read_ops): Likewise.
2767 (add_stmt_operand): Likewise.
2768 (add_virtual_operand): Likewise.
2769 (build_ssa_operands): Likewise.
2771 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2776 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2777 with a call expr to ...
2778 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2780 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2782 * tree-vrp.c (extract_range_from_assert): Remove special
2783 handling for types with super-types.
2785 2006-03-01 Ben Elliston <bje@au.ibm.com>
2787 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
2788 and powerpc64-*-linux* configurations.
2789 * config/t-dfprules: New file.
2791 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
2792 Compile dfp-bit.c from the source directory using -DWIDTH and
2793 $DFP_CFLAGS to control the compilation of that file, rather than
2794 generating width-specific versions in the build directory.
2795 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
2796 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
2798 2006-02-28 Zack Weinberg <zackw@panix.com>
2800 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
2803 2006-02-28 Eric Christopher <echristo@apple.com>
2805 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
2806 Set up IN_LIBGCC definition of TARGET_64BIT.
2807 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
2809 2006-02-28 Roger Sayle <roger@eyesopen.com>
2812 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
2813 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
2814 cases via the construction of "expr != 0".
2816 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2818 * alias.c (alias_invariant, alias_invariant_size): Remove.
2819 (record_base_value): Remove.
2820 (memrefs_conflict_p): Don't look at alias_invariant.
2821 (end_alias_analysis): Don't free it.
2822 * alias.h (record_base_value): Remove prototype.
2824 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
2825 Adam Nemet <anemet@caviumnetworks.com>
2827 * rtl.h (truncated_to_mode): Declare it.
2828 (struct rtl_hooks): Add reg_truncated_to_mode hook.
2829 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
2830 (RTL_HOOKS_INITIALIZER): Include it.
2831 * rtlhooks.c (reg_truncated_to_mode_general): New function.
2832 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
2833 reg_truncated_to_mode.
2834 * rtlanal.c (truncated_to_mode): Define it.
2835 * simplify-rtx.c (simplify_unary_operation_1): Use it.
2837 2006-02-28 Jeff Law <law@redhat.com>
2839 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
2840 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
2841 the range allowed by TYPE_PRECISION.
2843 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
2845 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
2847 PR tree-optimization/26419
2848 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
2851 2006-02-27 Zack Weinberg <zackw@panix.com>
2853 * doc/md.texi: Fix typo in previous change.
2855 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
2859 2006-02-27 Zack Weinberg <zackw@panix.com>
2861 * rtl.def (define_constraint, define_register_constraint)
2862 (define_memory_constraint, define_address_constraint): New MD forms.
2863 * gensupport.c (process_rtx): Put define_constraint etc on the
2865 * genpreds.c (process_define_predicate): Adjust comment. Validate
2866 the name, and call validate_exp to validate the expression.
2867 (mark_mode_tests, write_extract_subexp): Can assume correct input.
2868 (write_predicate_expr): Likewise. NAME argument no longer necessary;
2869 all callers changed.
2870 (validate_exp, needs_variable, struct constraint_data)
2871 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
2872 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
2873 (const_dbl_constraints, constraint_max_namelen)
2874 (have_register_constraints, have_memory_constraints)
2875 (have_address_constraints, have_address_constraints)
2876 (have_extra_constraints, have_const_int_constraints)
2877 (have_const_dbl_constraints, mangle, add_constraint)
2878 (process_define_constraint, process_define_register_constraint)
2879 (write_enum_constraint_num, write_lookup_constraint)
2880 (write_insn_constraint_len, write_regclass_for_constraint)
2881 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
2882 (write_insn_extra_memory_constraint)
2883 (write_insn_extra_address_constraint)
2884 (write_satisfies_constraint_fns): New.
2885 (write_tm_preds_h): If we have new-style constraint definitions,
2886 prototype the functions generated from them, and define the
2887 old constraint interface (still used by generic code) in terms of
2889 (write_insn_preds_c): If we have new-style constraint definitions,
2890 generate all relevant functions from those definitions.
2891 (main): Handle define_constraint etc.
2892 * genoutput.c (struct constraint_data, indep_constraints)
2893 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
2894 (mdep_constraint_len): New data structures and functions, defined
2895 #ifdef USE_MD_CONSTRAINTS.
2896 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
2897 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
2898 use new logic to validate operand constraints against constraint
2900 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
2902 * defaults.h: If none of the old-style constraint macros are
2903 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
2904 old-style macros; and poison REG_CLASS_FROM_LETTER,
2905 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
2907 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
2908 * doc/md.texi: Document new constraint-definition mechanism and the
2909 C interface it provides. Remove references to old mechanism
2910 elsewhere in the document.
2911 (Machine Constraints): Use pathnames relative to gcc directory,
2912 i.e. config/ARCH/FILE. Change i386 section to refer to
2913 config/i386/predicates.md; update that section to match docstrings.
2914 * doc/tm.texi: Move all documentation of the old constraint-
2915 definition macros to their own section, clearly mark as obsolete.
2917 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
2918 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
2920 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
2921 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2922 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
2924 (splits and peepholes): Use satisfies_constraint_*.
2925 * config/i386/i386.c (memory_address_length)
2926 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
2928 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2930 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
2931 scalar operation to be put back into the loop.
2933 2006-02-27 Jakub Jelinek <jakub@redhat.com>
2936 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
2937 (extract_cie_info): Handle S flag in augmentation string.
2938 (execute_cfa_program): If context->signal_frame, execute also
2939 fs->pc == context->ra instructions.
2940 (uw_frame_state_for): If context->signal_frame, don't subtract one
2941 from context->ra to find FDE.
2942 (uw_update_context_1): Set context->signal_frame to
2944 (_Unwind_GetIPInfo): New function.
2945 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
2946 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
2948 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
2949 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
2950 * unwind-compat.c (_Unwind_GetIPInfo): New function.
2951 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
2952 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
2953 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
2954 * config/i386/linux-unwind.h (x86_fallback_frame_state,
2955 x86_64_fallback_frame_state): Set fs->signal_frame.
2956 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
2957 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
2958 (frob_update_context): Likewise. Workaround missing S flag in
2959 Linux 2.6.12 - 2.6.16 kernel vDSOs.
2960 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
2961 Remove the psw_addr + 1 hack.
2963 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2965 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
2966 with aggregates here.
2967 (find_func_aliases): Remove code for &<aggregate> from here.
2969 2006-02-26 Roger Sayle <roger@eyesopen.com>
2971 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
2972 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
2973 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
2976 2006-02-26 Roger Sayle <roger@eyesopen.com>
2979 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
2981 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
2983 * opts.c (decode_options): Do not handle flag_strength_reduce.
2984 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
2985 and OPT_fstrength_reduce.
2986 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
2987 flag_prefetch_loop_arrays for being nonzero.
2988 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
2990 (fprefetch-loop-arrays-rtl): Removed.
2991 (flag_prefetch_loop_arrays): Do not specify the value.
2993 * doc/passes.texi: Update documentation of loop optimizer
2995 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
2996 -frerun-loop-opt): Remove.
2998 2006-02-26 Richard Guenther <rguenther@suse.de>
3000 PR tree-optimization/26421
3001 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3002 in function calls that are ADDR_EXPRs as using the whole structure.
3004 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3006 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3007 * tree-pass.h (pass_loop_optimize): Remove.
3008 * passes.c (pass_loop_optimize): Never run it.
3009 * toplev.c (backend_init): Don't call init_loop.
3010 * opts.c (flag_loop_optimize_set): Remove.
3011 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3012 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3013 the old RTL loop optimizer when profiling enabled.
3014 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3015 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3016 pre-headers for the sake of the old RTL loop optimizer.
3017 * Makefile.in: Remove all references to loop.o.
3019 * doc/invoke.texi: Remove all references to -floop-optimize
3020 and -frerun-loop-opt.
3022 2006-02-26 Zack Weinberg <zackw@panix.com>
3024 * doc/md.texi (Machine Constraints): Refer to all files with paths
3025 relative to gcc directory (i.e. config/CPU/file). Add missing
3026 @table @code ... @end table to M32C subsection.
3028 2006-02-26 Roger Sayle <roger@eyesopen.com>
3030 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3032 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3034 2006-02-26 Roger Sayle <roger@eyesopen.com>
3035 James A. Morrison <phython@gcc.gnu.org>
3038 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3039 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3040 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3041 signedness of the shift operation.
3043 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3045 PR tree-optimization/26359
3046 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3048 2006-02-25 Roger Sayle <roger@eyesopen.com>
3050 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3051 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3052 as X == 0, and some symmetry related transformations.
3053 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3055 2006-02-25 Roger Sayle <roger@eyesopen.com>
3058 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3059 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3060 symmetry related transformations. Fold (X^C1) == C2 as
3063 2006-02-25 Juergen Weigert <jw@suse.de>
3064 Richard Guenther <rguenther@suse.de>
3066 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3068 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3070 * combine.c (gen_lowpart_or_truncate): Call
3071 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3073 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3075 * doc/invoke.texi: Move -fopenmp description to "Options for
3077 Remove reference to -lgomp.
3079 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3081 * doc/install.texi: Require GNU tar version 1.14.
3083 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3085 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3086 * doc/invoke.texi (C++ Dialect Options): Document
3087 -fno-use-cxa-get-exception-ptr.
3088 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3089 * configure: Regenerate.
3090 * c.opt (fuse-cxa-get-exception-ptr): New.
3091 * c-opts.c (c_common_handle_option): Handle
3092 OPT_fuse_cxa_get_exception_ptr.
3093 * c-common.c (flag_use_cxa_atexit): Update documentation.
3094 (flag_use_cxa_get_exception_ptr): New.
3095 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3096 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3098 (C_COMMON_OVERRIDE_OPTIONS): New.
3100 2006-02-24 Roger Sayle <roger@eyesopen.com>
3103 * combine.c (try_combine): Explicitly check whether GET_CODE is
3104 a SET or a CLOBBER, instead on checking that it isn't a USE.
3106 2006-02-24 Roger Sayle <roger@eyesopen.com>
3108 * fold-const.c (fold_comparison): New subroutine of fold_binary
3109 containing transformations common to both the equality and
3110 ordering relational operators, factored out of fold_binary.
3111 (fold_binary): Separate out the equality operators (EQ_EXPR
3112 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3113 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3114 transformations common to both.
3115 (fold_div_compare): Fix latent bugs in the previously unreachable
3116 LT_EXPR and GE_EXPR cases.
3118 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3120 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3121 decl libname for clog to __clog on AIX.
3123 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3125 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3128 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3129 output traceback table for thunks. Localise rs6000_stack_info call.
3131 2006-02-23 Roger Sayle <roger@eyesopen.com>
3132 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3134 * gthr-posix.h (__gthrw): Fix typo in comment.
3136 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3138 * doc/cpp.texi (Character sets): Document that we do support
3139 input files to be in any character set.
3141 2006-02-23 Jeff Law <law@redhat.com>
3143 * tree.h (PHI_ARG_NONZERO): Remove.
3144 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3145 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3146 node to the new node.
3148 PR tree-optimization/26425
3149 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3150 min/max, then assume its varying.
3152 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3154 PR rtl-optimization/26316
3155 * rtlanal.c (enum may_trap_p_flags): New.
3156 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3157 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3158 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3159 (may_trap_after_code_motion_p): New function.
3160 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3161 (find_invariant_insn): Use may_trap_after_code_motion_p.
3162 * rtl.h (may_trap_after_code_motion_p): Declare.
3164 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3166 * emit-rtl.c (immed_double_const): Cleanup.
3168 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3170 Fix PR tree-optimization/26376
3171 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3174 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3177 * gimplify.c (omp_add_variable): Guard variable size decl test with
3178 DECL_SIZE (decl) check.
3180 2006-02-23 Richard Guenther <rguenther@suse.de>
3183 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3184 like aggregate types.
3186 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3188 * configure.ac: Add --with{,out}-long-double-128 configure option.
3189 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3190 * configure: Rebuilt.
3191 * config.in: Rebuilt.
3192 * doc/install.texi (Options specification): Document
3193 --with-long-double-128.
3195 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3196 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3197 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3198 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3200 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3202 * config/s390/s390.c (override_options): Handle
3203 TARGET_DEFAULT_LONG_DOUBLE_128.
3205 * config/alpha/alpha.c (override_options): Handle
3206 TARGET_DEFAULT_LONG_DOUBLE_128.
3208 * config/sparc/sparc.c (sparc_override_options): Handle
3209 TARGET_DEFAULT_LONG_DOUBLE_128.
3211 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3213 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3214 (real-install-headers-tar, real-install-headers-cpio)
3215 (real-install-headers-cp): New targets.
3217 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3219 * tree.h (variable_section): Delete.
3220 * varasm.c (variable_section): Delete.
3222 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3224 * install.texi: Add notes on install.texi2html.
3225 (Building in parallel): Do not use footnotes.
3227 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3230 * doc/install.texi (Configuration): Document --disable-libgomp.
3232 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3234 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3236 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3238 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3239 (vec_extractv2df_0_sse): New.
3241 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3243 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3244 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3245 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3246 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3247 to the result of the expression.
3248 (def_cfa_1): Adjust.
3249 (frame_pointer_cfa_offset): Rename to...
3250 (frame_pointer_fb_offset): ... this. Adjust all uses.
3251 (convert_cfa_to_loc_list): Rename to...
3252 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3253 Pass it on to build_cfa_loc.
3254 (compute_frame_pointer_to_cfa_displacement): Rename to...
3255 (compute_frame_pointer_to_fb_displacement): ... this. New
3256 offset parameter. Use it in computation.
3257 (gen_subprogram_die): Compute cfa_fb_offset with the new
3258 macro, and use it to compute the fb loc list and the
3261 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3263 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3264 replaced with register_operand.
3265 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3266 non-DREG is expensive.
3267 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3268 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3271 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3273 * doc/install.texi2html: Use set -e.
3275 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3277 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3278 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3279 * doc/invoke.texi (-fshared-data): Delete.
3280 * common.opt (fshared-data): Delete.
3281 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3282 (assemble_static_space): Remove #if 0 code.
3283 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3284 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3285 * config/cris/cris.h: Remove FIXME.
3287 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3289 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3292 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3295 * combine.c (simplify_shift_const_1): Disable nested shifts
3296 optimization for vector shifts.
3298 2006-02-20 Roger Sayle <roger@eyesopen.com>
3300 PR tree-optimization/26361
3301 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3302 of unsigned integer types.
3304 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3306 * tree-chrec.c (eq_evolutions_p): New.
3307 * tree-chrec.h (eq_evolutions_p): Declared.
3308 * tree-data-ref.c: Fix formatting.
3309 (datadep_stats, dependence_stats): New.
3311 (print_direction_vector): New.
3312 (dump_data_dependence_relation): Use print_direction_vector.
3313 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3314 (compute_subscript_distance): Static.
3315 (initialize_data_dependence_relation): Static. Get the number
3316 of loops surrounding the references from the callers, and initialize
3317 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3318 base_object_differ_p analyzers.
3319 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3320 compute_overlap_steps_for_affine_1_2,
3321 analyze_subscript_affine_affine): Count the classified dependences.
3322 Print a message when a test failed.
3323 (can_use_analyze_subscript_affine_affine): New.
3324 (analyze_siv_subscript): Compute the data dependences on symbolic
3325 scevs that verify can_use_analyze_subscript_affine_affine.
3326 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3327 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3328 Handle symbolic scevs.
3329 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3331 (subscript_dependence_tester): Moved...
3332 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3333 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3334 DDR_SIZE_VECT instead of getting it in parameter.
3335 (subscript_dependence_tester): ... here. Take as a parameter
3336 loop_nest_depth. Call build_classic_dist_vector and
3337 build_classic_dir_vector.
3338 (compute_affine_dependence): Update subscript_dependence_tester
3339 parameters. Update datadep_stats counters. Call
3340 compute_subscript_distance.
3341 (compute_self_dependence): Save the dist and dir vectors. Call
3342 compute_subscript_distance.
3343 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3344 (compute_all_dependences): Reorder parameters as they were before
3345 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3346 compute_subscript_distance. Update the use of
3347 compute_affine_dependence and initialize_data_dependence_relation.
3348 (find_data_references_in_loop): Handle COMPONENT_REF.
3349 (compute_data_dependences_for_loop): Initialize dependence_stats.
3350 Don't call build_classic_dist_vector and build_classic_dir_vector.
3351 Update the parameters of initialize_data_dependence_relation and
3352 compute_all_dependences. Print the statistics from datadep_stats.
3353 (analyze_all_data_dependences): Static. Not used until the pass for
3354 checking the data dependences is contributed.
3355 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3356 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3357 (initialize_data_dependence_relation, compute_affine_dependence,
3358 analyze_all_data_dependences, compute_subscript_distance): Removed.
3359 (print_direction_vector): New.
3360 * lambda.h (gcd): ... here.
3361 (lambda_vector_gcd): Moved here from gcd_vector.
3362 * lambda-code.c (gcd, gcd_vector): Removed.
3363 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3364 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3366 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3368 * ipa-type-escape.c: Tidy some comments and white space.
3369 * tree-ssa-operands.c: Likewise.
3371 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3374 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3375 (dump_decl_name): Do not walk the decl tree chains.
3376 * tree-pass.h (TDF_CHAIN): Remove.
3378 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3380 * Makefile.in (C): Remove
3382 (.PHONY): Remove C and PROTO
3384 2006-02-20 Roger Sayle <roger@eyesopen.com>
3387 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3388 deprecated CHAR_TYPE tree code.
3390 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3392 * configure.ac (target_list): Add install-info, dvi, html.
3393 * configure: Regenerate.
3395 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3396 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3397 treelang/Make-lang.in: Do not use double-colon rules.
3399 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3401 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3402 (TMT_USED_ALONE): New macro.
3403 * tree-pass.h (PROP_tmt_usage): New property.
3404 (TODO_update_tmt_usage): New todo.
3405 * tree-ssa-alias.c (updating_used_alone): New variable.
3406 (recalculate_used_alone): New function.
3407 (compute_may_aliases): Set updating_used_alone, call
3408 recalculate_used_alone.
3409 * tree-sra.c (pass_sra): Note that this pass destroys
3410 PROP_tmt_usage, and add TODO_update_tmt_usage.
3411 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3412 * tree-flow.h (updating_used_alone): Prototype.
3413 (recalculate_used_alone): Ditto.
3414 * passes.c (execute_todo): Add code to set updating_used_alone,
3415 and call recalculate.
3416 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3417 for clobber if used alone, and add assert to verify used_alone
3420 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3422 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3423 for non tls symbols added.
3424 (legitimize_address): Do nothing for PLUS expressions if one of the
3425 addends is a tls symbol reference.
3427 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3431 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3433 * Makefile.in (BOOTSTRAPPING): New.
3434 (quickstrap): New definition if BOOTSTRAPPING=yes.
3436 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3437 * configure.ac: Substitute all_selected_languages with the languages
3438 that were configured. For all the other variables except
3439 lang_specs_files, include all the languages in the tree.
3440 * configure: Regenerate.
3442 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3443 if there is one. Run the commands to run fixincludes in the same
3446 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
3447 * doc/install.texi: Document exact conventions for searching target tools.
3448 Document --with-build-time-tools. Document toplevel bootstrap. Document
3449 something more about building an Ada cross-compiler. Don't list GNU Make
3450 requirements which affect all platforms.
3452 2006-02-19 Roger Sayle <roger@eyesopen.com>
3455 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
3456 only equivalent if the have both the same mode and precision.
3458 2006-02-20 Ben Elliston <bje@au.ibm.com>
3460 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
3462 2006-02-19 Roger Sayle <roger@eyesopen.com>
3463 Steven Bosscher <stevenb.gcc@gmail.com>
3465 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
3466 constant pool references to identify stack mode constants.
3467 * rtlanal.c (constant_pool_constant_p): New predicate to check
3468 whether operand is a floating point constant in the pool.
3469 * rtl.h (constant_pool_constant_p): Prototype here.
3470 * loop.c (scan_loop): Avoid hoisting constants from the constant
3471 pool on STACK_REGS targets.
3472 (load_mems): Likewise.
3473 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
3474 loads into x87 registers expensive in terms of register pressure.
3476 2006-02-19 Roger Sayle <roger@eyesopen.com>
3478 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
3479 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
3481 2006-02-19 David Edelsohn <edelsohn@gnu.org>
3483 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3484 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
3486 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
3488 * doc/invoke.texi: Document -fipa-pta.
3489 * common.opt: Add ipa-pta option.
3490 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
3491 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
3492 (do_ds_constraint): Ditto.
3493 (get_constraint_for): Only add to referenced_vars if
3494 referenced_vars exists.
3495 (insert_into_field_list): Rewrite to do this unsorted.
3496 (insert_into_field_list_sorted): Rename old insert_into_field_list
3498 (create_function_info_for): Use insert_into_field_list_sorted.
3499 (create_variable_info_for): Rewrite so it uses unsorted version,
3500 since the field list is sorted.
3501 (intra_create_variable_infos): Only add to referenced_vars if
3502 referenced_vars exists.
3503 (ipa_pta_execute): Init heapvars, and delete when done.
3504 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
3506 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3508 * doc/install.texi: Add missing `@samp'.
3510 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3512 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
3515 2006-02-18 Mark Wielaard <mark@klomp.org>
3517 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
3518 who added new 4.1 features, bug fixes and integration support.
3520 2006-02-18 David Edelsohn <edelsohn@gnu.org>
3523 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
3526 2006-02-18 Richard Sandiford <richard@codesourcery.com>
3528 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
3529 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
3530 (copy_insn_1): Likewise. Don't copy each field individually.
3532 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
3534 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
3535 * rtl.c (rtx_size): Rename variable to...
3536 (rtx_code_size): ...this.
3537 (rtx_size): New function.
3538 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
3539 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
3541 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
3542 * rtl.h (rtx_code_size): New variable.
3543 (rtx_size): Change from a variable to a function.
3544 (RTX_SIZE): Rename to...
3545 (RTX_CODE_SIZE): ...this.
3548 PR tree-optimization/17106
3549 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
3550 (Anchored Addresses): New section.
3551 * doc/invoke.texi (-fsection-anchors): Document.
3552 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
3553 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
3554 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
3555 * hooks.c (hook_bool_mode_rtx_false): New function.
3556 * hooks.h (hook_bool_mode_rtx_false): Declare.
3557 * gengtype.c (create_optional_field): New function.
3558 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
3559 SYMBOL_REF_IN_BLOCK_P is true.
3560 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
3561 (min_anchor_offset, max_anchor_offset): Likewise.
3562 (use_anchors_for_symbol_p): New hook.
3563 * toplev.c (compile_file): Call output_object_blocks.
3564 (target_supports_section_anchors_p): New function.
3565 (process_options): Check that -fsection-anchors is only used on
3566 targets that support it and when -funit-at-a-time is in effect.
3567 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
3568 if the decl doesn't have one.
3569 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
3570 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
3571 of force_const_mem through use_anchored_address.
3572 (expand_expr_constant): New function.
3573 (expand_expr_addr_expr_1): Call it. Use the same modifier when
3574 calling expand_expr for INDIRECT_REF.
3575 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
3576 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
3577 * expr.h (use_anchored_address): Declare.
3578 * loop-unroll.c: Don't declare rtx vectors here.
3579 * explow.c: Include output.h.
3580 (validize_mem): Call use_anchored_address.
3581 (use_anchored_address): New function.
3582 * common.opt (-fsection-anchors): New switch.
3583 * varasm.c (object_block_htab, anchor_labelno): New variables.
3584 (hash_section, object_block_entry_eq, object_block_entry_hash)
3585 (use_object_blocks_p, get_block_for_section, create_block_symbol)
3586 (use_blocks_for_decl_p, change_symbol_section): New functions.
3587 (get_variable_section): New function, split out from assemble_variable.
3588 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
3589 use_blocks_for_decl_p say so. Use change_symbol_section if the
3590 symbol has already been created.
3591 (assemble_variable_contents): New function, split out from...
3592 (assemble_variable): ...here. Don't output any code for
3593 block symbols; just pass them to place_block_symbol.
3594 Use get_variable_section and assemble_variable_contents.
3595 (get_constant_alignment, get_constant_section, get_constant_size): New
3596 functions, split from output_constant_def_contents.
3597 (build_constant_desc): Create a block symbol if use_object_blocks_p
3598 says so. Or into SYMBOL_REF_FLAGS.
3599 (assemble_constant_contents): New function, split from...
3600 (output_constant_def_contents): ...here. Don't output any code
3601 for block symbols; just pass them to place_section_symbol.
3602 Use get_constant_section and get_constant_alignment.
3603 (force_const_mem): Create a block symbol if use_object_blocks_p and
3604 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
3605 (output_constant_pool_1): Add an explicit alignment argument.
3606 Don't switch sections here.
3607 (output_constant_pool): Adjust call to output_constant_pool_1.
3608 Switch sections here instead. Don't output anything for block symbols;
3609 just pass them to place_block_symbol.
3610 (init_varasm_once): Initialize object_block_htab.
3611 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
3612 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
3613 (place_block_symbol, get_section_anchor, output_object_block)
3614 (output_object_block_htab, output_object_blocks): New functions.
3615 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
3616 (TARGET_ASM_OUT): Include it.
3617 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
3618 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
3619 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
3620 (TARGET_INITIALIZER): Include them.
3621 * rtl.c (rtl_check_failed_block_symbol): New function.
3622 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
3623 (block_symbol, object_block): New structures.
3624 (rtx_def): Add a block_symbol field to the union.
3625 (BLOCK_SYMBOL_CHECK): New macro.
3626 (rtl_check_failed_block_symbol): Declare.
3627 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
3628 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
3629 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
3630 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
3631 * output.h (output_section_symbols): Declare.
3632 (object_block): Name structure.
3633 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
3634 (default_use_anchors_for_symbol_p): Declare.
3635 * Makefile.in (RTL_BASE_H): Add vec.h.
3636 (explow.o): Depend on output.h.
3637 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
3638 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3639 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3640 (rs6000_use_blocks_for_constant_p): New function.
3642 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3644 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
3646 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3649 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
3652 2006-02-18 Diego Novillo <dnovillo@redhat.com>
3654 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
3658 2006-02-18 Jakub Jelinek <jakub@redhat.com>
3661 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
3662 instead of DECL_REGISTER.
3664 2006-02-18 Olivier Hainque <hainque@adacore.com>
3667 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
3669 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
3672 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
3673 * opth-gen.awk: Handle Var and InverseMask together.
3674 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
3675 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
3676 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
3677 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
3679 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3680 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3681 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
3682 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3683 LINUX_DYNAMIC_LINKER): Define.
3684 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
3685 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
3687 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3688 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
3689 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3690 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3691 (TARGET_C99_FUNCTIONS): Don't define.
3692 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
3693 GLIBC_DYNAMIC_LINKER.
3694 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
3695 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
3696 GLIBC_DYNAMIC_LINKER64): Define.
3697 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3698 LINUX_DYNAMIC_LINKER64.
3699 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3700 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3701 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
3702 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3703 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3704 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3705 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
3706 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
3707 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
3708 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
3709 and LINUX_DYNAMIC_LINKER32.
3710 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3711 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3712 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
3713 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3714 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
3716 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
3717 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
3718 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3719 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3720 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3721 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
3722 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
3723 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
3724 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3725 LINUX_DYNAMIC_LINKER): Define.
3726 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
3727 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
3728 GLIBC_DYNAMIC_LINKER64): Define.
3729 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3730 LINUX_DYNAMIC_LINKER64.
3731 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3732 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3733 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
3734 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3735 LINUX_DYNAMIC_LINKER): Define.
3736 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3737 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3738 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
3739 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
3740 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
3741 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3742 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
3743 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
3744 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3745 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3746 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3747 * doc/invoke.texi (-muclibc): Remove caveat about supported
3750 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3752 * doc/cpp.texi (__TIMESTAMP__): Document.
3754 2006-02-17 Roger Sayle <roger@eyesopen.com>
3757 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
3758 C is one less than the width of X (and related transformations).
3759 * simplify-rtx.c (simplify_unary_operation_1): Transform
3760 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
3761 depending on STORE_FLAG_VALUE, were C is one less then the
3764 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
3766 Fix PR tree-optimization/26341
3767 * tree-ssa-operands.c (add_virtual_operand): Remove assert
3768 about NAME_MEMORY_TAG's.
3770 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3773 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
3774 with hardware float support, and software float support. Add fcpy
3775 alternative to hardware patterns. Add alternatives to copy between
3776 general and floating-point registers to the 32-bit pattern.
3777 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
3778 secondary reload to load a QI or HI mode constant into a floating
3780 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
3781 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
3783 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
3786 * config/rs6000/darwin.md (load_macho_picbase_si): Add
3788 (load_macho_picbase_di): Likewise.
3790 2006-02-16 Jeff Law <law@redhat.com>
3792 * tree-vrp.c (set_value_range_to_nonnegative): New function.
3793 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
3794 (ssa_name_nonzero_p): Likewise.
3795 (get_value_range): Return NULL if VRP is not running.
3796 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
3797 VRP routines do not discover a range.
3798 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
3799 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
3800 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
3801 (tree_expr_nonnegative_p): Similarly.
3802 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
3803 (restore_nonzero_vars_to_original_value): Remove.
3804 (unsafe_associative_fp_binop): Remove.
3805 (tree_ssa_dominator_optimize): Remove initialization and
3806 finalization of nonzero_vars and nonzero_vars_stack.
3807 (dom_opt_initialize_block): No longer push marker on
3809 (dom_opt_finalize_block): No longer call
3810 restore_nonzero_vars_to_original_value.
3811 (record_equivalences_from_phis): No longer look for
3812 nonzero PHI arguments.
3813 (cprop_into_successor_phis): No longer propagate nonzero
3814 property into PHI arguments. Lose unused argument. Caller
3816 (record_equivalences_from_stmt): No longer record nonzero
3817 values for SSA_NAMEs.
3818 (lookup_avail_expr): No longer use nonzero_vars.
3820 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
3821 for sizetype when sizetype is unsigned.
3823 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
3825 PR rtl-optimization/25603
3826 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
3827 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
3828 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
3829 with new meaning of SETS.
3831 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
3836 * config/linux.opt: New file.
3837 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3838 LINUX_DYNAMIC_LINKER): Define.
3839 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
3840 * config.gcc (*-*-linux*): Define extra_options.
3841 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
3842 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
3843 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
3844 GLIBC_DYNAMIC_LINKER.
3845 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
3846 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3847 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3848 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3849 * doc/invoke.texi (GNU/Linux Options): New section.
3851 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3853 * config/sparc/sparc.md (setjmp): Rewrite.
3854 (setjmp_32): Delete.
3855 (setjmp_64): Likewise.
3857 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
3859 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
3862 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3864 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
3867 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3869 PR rtl-optimization/26296
3870 * Makefile.in (loop-invariant.c): Add except.h dependency.
3871 * loop-invariant.c: Include except.h.
3872 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
3874 2005-02-16 Paul Brook <paul@codesourcery.com>
3876 * reload1.c (emit_reload_insns): Invalidate dead input registers used
3879 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
3881 PR rtl-optimization/25636
3882 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
3883 when deciding whether an insn is an initializing insn.
3885 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
3887 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
3888 (tree_code_size): Ditto.
3889 * tree.h (struct tree_memory_tag): Remove parent_var.
3890 (struct tree_struct_field_tag): New.
3893 (union tree_node): Add sft member.
3894 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
3896 (create_sft): Add size and offset argument, set SFT_OFFSET and
3898 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
3899 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
3900 * tree-flow-inline.h (get_subvar_at): Update for
3901 SFT_OFFSET/SFT_SIZE.
3902 (var_can_have_subvars): Ditto.
3903 (overlap_subvar): Ditto.
3904 * print-tree.c (print_node): Print out interesting things for
3906 * tree-flow.h (struct subvar): Remove offset and size members.
3907 * tree-ssa-operands.c (get_expr_operands): Update for
3908 get_indirect_ref_operands changes.
3909 (get_indirect_ref_operands): Call add_virtual_operand instead of
3910 add_stmt_operand. Only recurse on base var if requested.
3911 (access_can_touch_variable): New function.
3912 (add_stmt_operand): Split virtual operand handling into ...
3913 (add_virtual_operand): Here. Add offset, size, and for_clobber
3914 arguments. Prune alias sets.
3915 (add_call_clobber_ops): Call add_virtual_operand.
3917 2006-02-15 Jakub Jelinek <jakub@redhat.com>
3920 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
3922 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
3923 than TREE_CODE as index into omp_clause_num_ops array.
3925 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
3927 PR rtl-optimization/26184
3928 * modulo-sched.c (generate_reg_moves): Free bitmap vector
3930 * modulo-sched.c (sms_schedule): Free g_arr pointer.
3931 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
3932 must_precede, must_follow and tobe_scheduled.
3935 * opts.c (common_handle_option): Free new_option pointer.
3936 * df-core.c (df_analyze): Free postorder pointer.
3938 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3940 * Makefile.in: Fix the examples about the use of stamps
3942 2006-02-15 Michael Matz <matz@suse.de>
3946 * stor-layout.c (layout_decl): Zero-width bitfields aren't
3947 influenced by maximum_field_alignment or DECL_PACKED.
3948 (update_alignment_for_field): Ditto.
3949 (place_field): Ditto.
3950 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
3953 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
3955 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
3956 (debug_flow_info): Pass it.
3957 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
3958 * bb-reorder.c (reorder_basic_blocks): Likewise.
3959 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
3960 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
3961 * flow.c (life_analysis, recompute_reg_usage): Likewise.
3962 * gcse.c (gcse_main, bypass_jumps): Likewise.
3963 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
3964 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
3965 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
3966 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
3967 * rtl.h (dump_flow_info): Adjust prototype.
3968 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
3969 * var-tracking.c (variable_tracking_main): Likewise.
3970 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
3971 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
3974 2006-02-15 Marcin Dalecki <martin@dalecki.de>
3976 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
3979 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3981 PR tree-optimization/26209
3982 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
3983 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
3985 * tree-cfg.c (replace_uses_by): Do not alter cfg.
3987 2006-02-14 Roger Sayle <roger@eyesopen.com>
3990 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
3991 (X,Y) and the corresponding symmetry related transformations.
3992 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
3993 (X,Y) and its symmetry related transformations.
3995 2006-02-14 Roger Sayle <roger@eyesopen.com>
3997 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4000 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4002 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4004 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4007 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4008 support COMDAT group.
4009 * configure: Regenerate.
4011 2006-02-14 Roger Sayle <roger@eyesopen.com>
4016 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4018 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4020 Fix PR tree-optimization/26260
4022 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4024 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4025 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4026 * tree-ssa-structalias.c (create_variable_info_for): Use
4027 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4029 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4031 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4033 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4034 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4035 of the ending condition.
4036 * tree-ssa-loop-manip.c: Include params.h.
4037 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4038 tree_unroll_loop): New functions.
4039 * tree-pass.h (pass_loop_prefetch): Declare.
4040 * loop.c (rest_of_handle_loop_optimize): Test for
4041 -fprefetch-loop-arrays-rtl.
4042 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4043 * timevar.def (TV_TREE_PREFETCH): New timevar.
4044 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4045 pass_loop_prefetch): New.
4046 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4047 (cleanup_tree_cfg_loop): Call scev_reset.
4048 * common.opt (fprefetch-loop-arrays-rtl): Add.
4049 * tree-ssa-loop-prefetch.c: New file.
4050 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4051 (new_temp_expr_table): Initialize expr_vars.
4052 (free_temp_expr_table): Cleanup expr_vars.
4053 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4054 expressions from being merged into one.
4055 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4056 (struct tree_niter_desc): Add control, bound and cmp fields.
4057 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4059 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4060 (tree-cfgcleanup.o): Add SCEV_H dependency.
4061 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4062 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4064 2006-02-14 Richard Guenther <rguenther@suse.de>
4066 PR tree-optimization/26258
4067 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4068 in PHI argument processing.
4070 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4072 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4073 new expression in the requested machine mode.
4075 2006-02-13 Roger Sayle <roger@eyesopen.com>
4077 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4078 directly, instead let do_compare_rtx_and_jump handle this for us.
4079 * expr.c (expand_expr_real_1): Likewise.
4080 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4081 before do_jump_by_parts_greater.
4082 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4083 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4085 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4087 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4089 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4091 PR rtl-optimization/26235
4092 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4093 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4096 2006-02-13 Jeff Law <law@redhat.com>
4098 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4101 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4104 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4105 twice if decl is a builtin. When trying again, call get_callee_fndecl
4106 first to verify it is still a builtin.
4108 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4110 * dwarf2out.c (base_type_die): Don't add AT_name here.
4111 (subrange_type_die): Don't add AT_name here.
4112 (modified_type_die): Rearrange code flow. Do add AT_name here.
4114 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4116 PR rtl-optimization/26247
4117 PR rtl-optimization/26248
4118 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4120 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4122 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4123 * config/fixtfdi.c: Likewise.
4124 * config/fixunstfdi.c: Likewise.
4125 * config/floatditf.c: Likewise.
4127 2006-02-13 Roger Sayle <roger@eyesopen.com>
4130 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4131 into (X,C2) if C1 is a subset of the bits of C2. Transform
4132 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4134 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4136 2006-02-13 Josh Conner <jconner@apple.com>
4139 * varasm.c (function_section): Check for section name before
4140 calling select_section on targets that define
4141 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4142 unlikely_text_section instead of hot_function_section if
4143 first_function_block_is_cold.
4145 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4148 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4150 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4152 PR rtl-optimization/26222
4153 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4154 after tree->rtl expansion.
4155 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4156 before passing it to emit_move_insn.
4158 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4160 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4162 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4163 Clarify documentation.
4164 * c-common.h (warn_write_strings): Remove.
4165 * c-common.c (warn_write_strings): Likewise.
4166 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4169 2006-02-12 Roger Sayle <roger@eyesopen.com>
4172 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4173 (do_jump_parts_zero_rtx): New function renamed from
4174 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4175 (do_jump_parts_equality_rtx): New function split out from
4176 do_jump_parts_equality. Old implementation renamed as above.
4177 Call do_jump_parts_zero_rtx if either operand is zero.
4178 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4179 do all of the heavy lifting.
4180 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4181 calling either do_jump_by_parts_greater_rtx or
4182 do_jump_by_parts_equality_rtx.
4183 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4184 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4185 moved to do_compare_rtx_and_jump, call it directly.
4186 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4187 mode argument. Call do_compare_rtx_and_jump.
4188 (emit_case_nodes): Update calls to do_jump_if_equal.
4190 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4192 PR rtl-optimization/26225
4193 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4195 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4197 PR rtl-optimization/26232
4198 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4200 2006-02-11 Jason Merrill <jason@redhat.com>
4203 * tree-inline.c (declare_return_variable): Just don't use the
4204 modify target if it's a gimple complex reg and the return slot
4207 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4209 * doc/contrib.texi: Update my entry.
4211 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4213 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4215 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4217 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4220 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4222 * doc/invoke.texi (-floop-optimize2): Removed.
4223 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4224 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4225 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4226 * common.opt (floop-optimize2): Removed.
4227 (fmove-loop-invariants): Enabled by default.
4229 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4231 * tree-if-conv.c (combine_blocks): Free the result of
4232 get_loop_exit_edges.
4234 2006-02-10 Jeff Law <law@redhat.com>
4236 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4238 PR tree-optimization/26213
4239 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4240 loop trying to follow SSA_NAME_VALUE chains.
4242 2006-02-10 Richard Guenther <rguenther@suse.de>
4244 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4245 deal with structures that end in implicitly variable sized arrays.
4247 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4249 PR rtl-optimization/24762
4250 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4253 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4255 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4256 (struct ivopts_data): Add regs_used field.
4257 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4258 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4259 instead of loop_data->regs_used;
4260 (free_loop_data): Do not free aux fields for loops.
4261 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4262 and tree_ssa_iv_optimize_finalize.
4264 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4266 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4268 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4271 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4272 computing the effective result type.
4274 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4277 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4278 (tree_overlaps_hard_reg_set): Declare.
4279 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4280 type and signature to match function type expected by walk_tree.
4281 (tree_overlaps_hard_reg_set): New function.
4282 (decl_conflicts_with_clobbers_p): Rename to:
4283 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4284 Use tree_overlaps_hard_reg_set. Changed caller.
4285 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4286 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4287 * cris.c (cris_md_asm_clobbers): Likewise.
4289 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4291 * reload1.c (emit_input_reload_insns): Delete code that tries to
4292 inherit using find_equiv_reg.
4294 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4296 * c-common.h (flag_const_strings): Don't declare.
4297 * c-common.c (flag_const_strings): Remove.
4298 * c.opt (fconst_strings): Remove.
4299 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4300 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4301 (c_common_init_options): Don't set flag_const_strings.
4302 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4304 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4306 * arm.md (tlobits_cbranch): New pattern.
4307 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4308 testing a single bit.
4310 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4313 * tree-ssa-pre.c (create_component_ref_by_pieces):
4314 Handle RETURN_DECL like VAR_DECL.
4316 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4319 * fold-const.c (fold_indirect_ref_1): Fold
4320 "*(foo *)&complexfoo" to "__real__ complexfoo"
4321 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4323 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4325 * tree-flow-inline.h (var_can_have_subvars):
4326 Volatile variables should not have subvariables.
4328 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4331 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4332 multiplying unsigned values.
4335 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4337 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4339 2006-02-08 Jason Merrill <jason@redhat.com>
4342 * tree.def: Elaborate on difference from MODIFY_EXPR.
4343 * doc/c-tree.texi (INIT_EXPR): Likewise.
4344 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4345 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4346 (gimplify_target_expr): Likewise.
4347 (gimplify_cond_expr): Remove target handling.
4348 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4349 (gimplify_expr): Clobber it here.
4350 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4351 Do return slot optimization if we have an INIT_EXPR.
4354 * tree-inline.c (declare_return_variable): Also clear
4355 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4358 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4361 * gimplify.c (gimplify_one_sizepos): Fix typo.
4363 2006-02-08 Jeff Law <law@redhat.com>
4365 PR tree-optimization/21417
4366 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4367 across a backedge if the control statement at the end of the
4368 block is data dependent on other statements in the same block.
4369 (record_temporary_equivalences_from_stmts): Remove over-conservative
4370 test for threading across backedges.
4372 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4373 control statement, handle all three special cases in the same
4374 manner as they all have the same desired solution. No longer
4375 special case edge flag updating when the post dominator is
4378 2006-02-08 Roger Sayle <roger@eyesopen.com>
4380 * tree.def (CHAR_TYPE): Remove.
4381 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4382 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4383 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4384 (gen_string_type_die): Delete unreachable function.
4386 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4387 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4388 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4389 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4390 * builtins.c (type_to_class): Likewise.
4391 * fold-const.c (fold_convert, build_range_check,
4392 merge_ranges): Likewise.
4393 * expr.c (count_type_elements): Likewise.
4394 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4395 * stor-layout.c (layout_type): Likewise.
4396 * ipa-type-escape.c (type_to_consider): Likewise.
4397 * gimplify.c (omp_firstprivatize_type_sizes,
4398 gimplify_type_sizes): Likewise.
4399 * explow.c (promote_mode): Likewise.
4400 * tree-sra.c (is_sra_scalar_type): Likewise.
4401 * varasm.c (output_constant): Likewise.
4402 * tree-inline.c (remap_type_1): Likewise.
4403 * convert.c (convert_to_pointer, convert_to_real,
4404 convert_to_integer, convert_to_complex): Likewise.
4406 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4408 * df-scan.c (df_def_record_1): A set destination may
4409 be a parallel regardless of mode.
4411 2006-02-08 Roger Sayle <roger@eyesopen.com>
4414 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4415 * config/mips/_tilib.c: Remove.
4416 * config/fixtfdi.c: New libgcc source file.
4417 * config/fixunstfdi.c: New source file.
4418 * config/floatditf.c: New source file.
4419 * config/floatunditf.c: New souce file.
4420 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4421 files above instead of config/mips/_tilib.c.
4422 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4424 2006-02-08 Jeff Law <law@redhat.com>
4426 PR tree-optimization/26169
4427 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4430 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4432 * df.h (DF_REG_SIZE): Return the length of the initialized
4435 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4437 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4438 __muldf3): Return a correctly signed zero.
4440 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4442 * passes.c (register_one_dump_file): Accept the current properties
4443 instead of pass number. Adjust call to dump_register. Remove
4445 (register_dump_files): Now a wrapper around...
4446 (register_dump_files_1): ... this one. Do not modify the pass
4448 (next_pass_1): Cosmetic fix.
4449 (execute_todo): Keep second parameter only. Use curr_properties
4450 instead of fetching it from the pass structure. Check and set
4452 (execute_one_pass): Handle TODO_set_props. Use curr_properties
4453 instead of fetching it from the pass structure. Fix calls to
4454 execute_todo. Update curr_properties and initialize .vcg RTL dump
4455 after running the pass. Reset last_verified.
4456 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
4458 (FIRST_AUTO_NUMBERED_DUMP): New.
4459 (dump_register): Remove "num" parameter, assign it within the
4461 (get_dump_file_name): Modify template for dumps.
4462 * tree-dump.h (dump_register): Adjust prototype.
4463 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
4464 (PROP_trees): Add PROP_gimple_lomp.
4465 (TODO_set_props): New.
4466 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
4467 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
4468 * cfgexpand.c (pass_expand): Destroy PROP_trees.
4470 2006-02-08 Jakub Jelinek <jakub@redhat.com>
4472 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
4473 (sparc64-*-linux*): Likewise.
4474 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
4475 * config/sparc/t-linux: New file.
4476 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
4477 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
4478 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
4479 -m32 -mlong-double-128.
4481 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
4482 * config/alpha/t-linux: New file.
4483 * config/alpha/libgcc-alpha-ldbl.ver: New file.
4485 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
4486 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
4487 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
4488 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
4489 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
4490 (CPP_ARCH32_SPEC): Remove.
4492 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
4494 PR tree-optimization/26145
4495 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
4498 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4501 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
4502 >= 240000 when generating code for SOM runtime.
4503 (output_indirect_call): Don't use "b,l" instruction for indirect calls
4504 to $$dyncall when generating code for SOM runtime..
4506 2006-02-07 Dirk Mueller <dmueller@suse.com>
4509 * doc/invoke.texi (-Wsequence-point): Update documentation
4510 that -Wsequence-point is implemented for C++ as well.
4512 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4514 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
4515 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
4516 (LIB_SPEC): Likewise.
4517 * doc/invoke.texi (SPARC options): Document -pthread.
4519 2006-02-07 Geoffrey Keating <geoffk@apple.com>
4521 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
4524 2006-02-07 Roger Sayle <roger@eyesopen.com>
4526 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
4527 Correct comment describing BOOLEAN_TYPE.
4529 2006-02-07 Dirk Mueller <dmueller@suse.com>
4531 * c.opt: C++ frontend supports -Wdiv-by-zero.
4532 * c-opts.c (c_common_handle_option): Remove dead case.
4534 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4536 * configure.ac (TLS assembler check): Do not enable TLS by
4537 default on SPARC/Solaris before version 10.
4538 * configure: Regenerate.
4540 2006-02-07 David Edelsohn <edelsohn@gnu.org>
4542 * doc/invoke.texi (xl-compat): Document conversion and support
4545 2006-02-07 Jeff Law <law@redhat.com>
4547 * tree-vrp.c (find_conditional_asserts): Update comments.
4548 (simplify_stmt_for_jump_threading): New.
4549 (identify_jump_threads, finalize_jump_threads): New.
4550 (vrp_finalize): Call identify_jump_threads.
4551 (execute_vrp): Call finalize_jump_threads.
4552 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
4553 (vrp_element, vrp_data, vrp_element_p): Remove.
4554 (vrp_hash_elt, vrp_variables_stack): Remove.
4555 (vrp_hash, vrp_eq, record_range): Remove.
4556 (simplify_cond_and_lookup_avail_expr): Remove.
4557 (extract_range_from_cond): Remove.
4558 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
4559 (simplify_stmt_for_jump_threading): New.
4560 (dom_thread_across_edge): New wrapper.
4561 (tree_ssa_dominator_optimize): No longer initialize or
4562 finalize any of the VRP datastructures. Remove iteration
4563 step and simplify as a result of removal of iteration step.
4564 (pass_dominator): Perform a cfg cleanup after DOM.
4565 (dom_opt_finalize_block): Use the new common routines
4566 for threading jumps. Simplify stack management slightly.
4567 No longer need to unwind VRP state.
4568 (record_equivalences_from_incoming_edge): No longer record
4570 (eliminate_redundant_computations): No longer call
4571 simplify_cond_and_lookup_avail_expr.
4572 * tree-flow.h (potentially_threadable_block): Prototype.
4573 (thread_across_edge): Likewise.
4574 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
4575 (tree-ssa-threadedge.o): Add dependencies.
4576 * tree-ssa-threadedge.c: New file.
4577 * passes.c (init_optimization_passes): Merge PHIs before
4578 calling VRP. Run VRP again late in the SSA optimization pipeline.
4580 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4582 * df-core.c (df_set_blocks): Do not dereference function pointers.
4583 (df_finish1): Likewise.
4584 (df_hybrid_search_forward): Likewise.
4585 (df_hybrid_search_backward): Likewise.
4586 (df_iterative_dataflow): Likewise.
4587 (df_analyze_problem): Likewise.
4588 (df_compact_blocks): Likewise.
4589 (df_dump): Likewise.
4590 * df-scan.c (df_rescan_blocks): Likewise.
4591 (df_record_entry_block_defs): Likewise.
4593 * genconditions.c (write_conditions): Guard the definition of
4594 'insn_conditions' with the check on GCC version.
4595 (write_writer): Guard the traversal 'insn_conditions' with
4596 the check on GCC version.
4598 2006-02-07 Richard Guenther <rguenther@suse.de>
4602 2006-01-30 Richard Guenther <rguenther@suse.de>
4604 * gimplify.c (gimplify_target_expr): Handle easy cases
4605 without creating a temporary.
4607 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
4609 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
4610 use of float in probability computations. Use edge probabilities
4611 in place of statically computed probabilities.
4612 (min_spec_prob): New static variable.
4613 (schedule_insns): Initialize it.
4614 (GET_SRC_PROB): Removed.
4615 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
4617 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
4620 * config/ia64/unwind-ia64.c: Revert last change.
4621 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
4622 (INCOMING_FRAME_SP_OFFSET): Define.
4624 2006-02-06 Roger Sayle <roger@eyesopen.com>
4626 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
4628 2006-02-07 Ben Elliston <bje@au.ibm.com>
4630 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
4631 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
4632 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
4633 (ix86_return_in_memory): Handle TDmode.
4634 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
4635 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
4637 2006-02-06 Richard Sandiford <richard@codesourcery.com>
4639 * reorg.c (dbr_schedule): Use dump_file instead of file.
4641 2006-02-06 Steve Ellcey <sje@cup.hp.com>
4644 * config/ia64/predicates.md (extr_len_operand): New predicate.
4645 * config/ia64/ia64.md (extv): Tighten constraints.
4647 (*tbit_and_2): Ditto.
4648 (*tbit_and_3): Ditto.
4649 (*tbit_or_2): Ditto.
4650 (*tbit_or_3): Ditto.
4654 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
4657 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
4659 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4661 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
4662 loop_optimizer_init and loop_optimizer_finalize
4663 * tree-ssa-sink.c (execute_sink_code): Ditto.
4664 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4665 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
4666 tree_ssa_loop_done): Ditto.
4667 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
4668 * sched-ebb.c: Include output.h.
4669 (schedule_ebbs): Do not use dump argument.
4670 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
4671 * loop.c (loop_dump_stream): Removed.
4672 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
4674 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
4675 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
4676 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
4677 loop_iterations, strength_reduce, record_biv, record_giv,
4678 final_giv_value, check_final_value, check_ext_dependent_givs,
4679 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
4680 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
4681 dump_file instead of loop_dump_stream.
4682 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
4684 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
4686 * flow.c (life_analysis, rest_of_handle_life): Ditto.
4687 * haifa-sched.c: Include output.h
4688 (schedule_insns, sched_init): Do not use dump argument.
4689 * mode-switching.c (optimize_mode_switching): Ditto.
4690 * modulo-sched.c (stats_file): Removed.
4691 (print_node_sched_params): Do not call argument dump_file.
4692 (sms_schedule_by_order, loop_canon_p, sms_schedule,
4693 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
4695 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
4697 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
4698 rtl_loop_init, rtl_loop_done): Ditto.
4699 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
4700 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
4702 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
4703 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
4704 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
4705 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
4706 * emit-rtl.c (renumber_insns): Ditto.
4707 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
4708 expand_gimple_basic_block, tree_expand_cfg): Ditto.
4709 * regclass.c (regclass): Ditto.
4710 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
4711 remove_ssa_form, rewrite_out_of_ssa): Ditto.
4712 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
4713 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
4715 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
4716 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
4718 * gcse.c (gcse_file, debug_stderr): Removed.
4719 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
4720 rest_of_handle_gcse): Do not use dump argument.
4721 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
4722 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
4723 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
4724 compute_code_hoist_vbeinout, compute_code_hoist_data,
4725 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
4726 compute_store_table, build_store_vectors, insert_insn_start_bb,
4727 insert_store, remove_reachable_equiv_notes, replace_store_insn,
4728 store_motion): Use dump_file instead of gcse_file.
4729 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
4730 * profile.c (profile_dump_file): Removed.
4731 (branch_prob): Use dump_file instead of profile_dump_file.
4732 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
4734 * tree-ssa-copy.c (dump_copy_of): Ditto.
4735 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
4736 dump file to life_analysis.
4737 * bt-load.c (branch_target_load_optimize): Ditto.
4738 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
4740 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
4741 regclass, dbr_schedule): Declaration changed.
4742 * sched-int.h (sched_init): Declaration changed.
4743 * tree-profile.c (tree_profile_dump_file): Removed.
4744 (tree_profile_hooks): Removed profile_dump_file hook.
4745 * rtl-profile (rtl_profile_dump_file): Removed.
4746 (rtl_profile_hooks): emoved profile_dump_file hook.
4747 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
4749 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
4750 * tree-cfg.c (build_tree_cfg): Ditto.
4751 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
4752 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
4753 Declaration changed.
4754 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
4755 life_analysis and schedule_insns.
4756 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
4758 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
4760 * config/mips/mips.c (mips_reorg): Ditto.
4761 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
4764 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
4766 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4767 (s390_mangle_fundamental_type): New.
4768 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4771 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4772 (alpha_mangle_fundamental_type): New.
4773 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4776 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4778 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4780 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4781 (sparc_mangle_fundamental_type): New.
4783 2006-02-06 Jakub Jelinek <jakub@redhat.com>
4785 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
4786 (s390x-*-linux*): Likewise.
4787 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
4788 * config/s390/t-linux: New file.
4790 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4792 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
4793 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
4795 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
4797 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
4798 (ANTIC_SAFE_LOADS): New macro.
4799 (find_or_generate_expression): Add prototype.
4800 (set_contains_value): Allow null set for sake of not always having
4801 to allocate ANTIC_SAFE_LOADS.
4802 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
4803 Allow COMPONENT_REF too.
4804 (valid_in_set): Allow COMPONENT_REF.
4805 Check ANTIC_SAFE_LOADS too.
4806 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
4807 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
4809 (can_PRE_operation): Add COMPONENT_REF.
4810 (create_component_ref_by_pieces): New function.
4811 (create_expression_by_pieces): Use create_component_ref_by_pieces.
4812 (insert_aux): Move AGGREGATE_TYPE_P check here.
4813 (compute_avail): Set bb local stmt uids.
4814 (pass_pre): Use TODO_update_ssa_only_virtuals.
4816 2006-02-06 Ben Elliston <bje@au.ibm.com>
4818 * configure.ac: Unconditionally disable decimal float by default.
4819 * configure: Regenerate.
4821 2006-02-06 Ben Elliston <bje@au.ibm.com>
4823 * read-rtl.c (read_name): Terminate reading on EOF.
4825 2006-02-06 Ben Elliston <bje@au.ibm.com>
4827 * dfp.c (decimal_real_arithmetic): Change second argument type
4828 from int to enum tree_code. Do not always return true, but now
4829 return result of any call to decimal_do helper functions.
4830 * dfp.h (decimal_real_arithmetic): Update prototype.
4832 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
4834 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
4836 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
4839 * tree-cfg.c (cleanup_dead_labels): Also don't remove
4842 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4844 * tree-vrp.c (cfg_loops): Removed.
4845 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
4846 Use current_loops instead of cfg_loops. Pass flags to
4847 loop_optimizer_init.
4848 * cfgloopmanip.c (fix_loop_structure): Update only available
4850 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
4851 loop_optimizer_init.
4852 * modulo-sched.c (build_loops_structure): Removed.
4853 (sms_schedule): Use loop_optimizer_init.
4854 * loop-init.c (loop_optimizer_init): Use flags to determine
4855 which properties of loops to prepare.
4856 (rtl_loop_init): Pass flags to loop_optimizer_init.
4857 * tree-ssa-sink.c (execute_sink_code): Ditto.
4858 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
4859 * tree-ssa-pre.c (init_pre): Ditto.
4860 * cfgloop.h (LOOPS_NORMAL): New.
4861 (loop_optimizer_init): Declaration changed.
4863 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4865 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
4866 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
4868 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
4870 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
4872 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
4873 * pa/t-pa64: Delete quadlib.c rule.
4874 * pa/x-ada: Revert last change.
4875 * pa/t-pa: Revert last change. Delete quadlib.c rule.
4877 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4879 PR rtl-optimization/26087
4880 * rtlanal.c (canonicalize_condition): Do not cross basic block
4883 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
4886 * config/ia64/ia64.c: Include debug.h.
4887 (MAX_ARTIFICIAL_LABEL_BYTES): New.
4888 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
4889 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
4890 (process_epilogue, process_set, process_for_unwind_directive):
4891 Output unwind info only if requested. Add CFA info if requested.
4892 Add new arguments as needed. Adjust callers.
4893 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
4895 (DWARF2_FRAME_INFO): Define to zero.
4896 * config/ia64/unwind-ia64.c: Remove code that compensated for
4897 the CFA offset error fixed above.
4898 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
4899 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
4900 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
4901 -funwind-tables and -fexceptions to enable frame info.
4902 (dwarf2out_frame_init): Define initial CFA even if
4903 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
4904 DWARF2_UNWIND_INFO is nonzero, not just defined.
4905 (dwarf2out_frame_finish): Output non-EH call frame info only
4906 if DWARF2_FRAME_INFO is nonzero.
4907 (convert_cfa_to_loc_list,
4908 compute_frame_pointer_to_cfa_displacement): Define even if
4909 unwind info is not supported.
4910 (gen_subprogram_die): Use the above unconditionally. Remove
4911 legacy alternate code.
4912 * toplev.c (compile_file): Compile in call to
4913 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
4914 (lang_dependent_init): Ditto for dwarf2out_frame_init.
4916 2006-02-04 David Edelsohn <edelsohn@gnu.org>
4917 Jakub Jelinek <jakub@redhat.com>
4919 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
4920 IBM extended float format long double as "g" on powerpc*-linux.
4922 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4925 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
4926 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
4928 2006-02-03 Jason Merrill <jason@redhat.com>
4931 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
4934 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
4935 on the return slot if it's an NRV.
4937 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
4939 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
4940 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
4941 rewrite_use): Do not handle USE_OUTER.
4942 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
4943 add_iv_outer_candidates, may_replace_final_value,
4944 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
4945 (find_interesting_uses_op): Functionality of
4946 find_interesting_uses_outer_or_nonlin moved here.
4947 (find_interesting_uses_outside): Use find_interesting_uses_op.
4949 2006-02-03 Alan Modra <amodra@bigpond.net.au>
4952 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
4954 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
4955 Ulrich Weigand <uweigand@de.ibm.com>
4958 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
4959 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
4960 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
4961 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
4963 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
4964 (s390_rtx_costs): Use the new fields to calculate rtx costs.
4965 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
4966 Define secondary reloads for TFmode moves.
4967 (constant_modes): Add TFmode.
4968 (NR_C_MODES): Set to 8.
4969 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
4971 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
4972 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
4973 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
4974 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
4975 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
4976 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
4977 (FPR mode macro): Add TFmode.
4978 (DSF mode macro): New.
4979 (<de>, <dee> mode attributes): Removed.
4980 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
4981 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
4982 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
4983 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
4984 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
4985 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
4986 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
4987 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
4988 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
4989 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
4990 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
4991 "*negabs<mode>2", "sqrt<mode>2"):
4992 Changed <de> to <xde>. R constraint replaced by <Rf>.
4993 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
4995 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
4996 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
4997 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
4999 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5000 "extenddftf2", "extendsftf2"): New expanders.
5001 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5002 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5003 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5004 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5006 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5007 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5008 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5009 __floatditf): Add a GCC_4.1.0 symbol version tag.
5010 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5013 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5016 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5017 Use targetm.binds_local_p instead of TREE_PUBLIC.
5019 2006-02-02 Roger Sayle <roger@eyesopen.com>
5021 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5022 on INTEGER_TYPEs to indicate that it denotes a character type.
5023 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5024 signed_char_type_node, unsigned_char_type_node and char_type_node.
5025 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5026 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5027 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5029 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5030 Daniel Berlin <dberlin@dberlin.org>
5032 * tree-tailcall.c (arg_needs_copy_p): New function.
5033 (eliminate_tail_call): Use arg_needs_copy_p.
5034 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5035 (add_virtual_phis): New function.
5037 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5039 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5040 #ignore instead of #scratch for %g7 .register directive.
5042 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5044 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5047 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5049 * flow.c (calculate_global_regs_live): Assert that there aren't any
5052 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5054 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5056 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5057 bsi_after_labels iterator.
5058 * tree-if-conv.c (find_phi_replacement_condition,
5059 replace_phi_with_cond_modify_expr): Likewise.
5060 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5061 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5063 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5065 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5067 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5070 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5071 array after growing it.
5073 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5076 * fold-const.c (fold_checksum_tree): Change type of buf.
5078 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5080 * reload.c (push_secondary_reload): Initialize t_icode.
5082 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5084 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5085 -msoft-float -mlong-double-128 only issue a warning, but don't
5086 swich to DFmode long double.
5088 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5090 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5091 has a constant equivalent, iterate over equivalents for arg0,
5092 calling simplify_relational_operation and if there's a result
5093 cheaper than X, apply fold_rtx and return the result.
5095 2006-02-01 Jan Hubicka <jh@suse.cz>
5097 * opts.c (no_unit_at_a_time_default): New global variable.
5098 (decode_options): Use it.
5099 * opts.h (no_unit_at_a_time_default): Declare.
5101 2006-02-01 Paul Brook <paul@codesourcery.com>
5103 * function.c (assign_parm_setup_reg): Use function argument promotion
5105 * expr.c (expand_expr_real_1): Use function argument promotion rules
5108 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5110 * gcc.c (process_command): Change j to 'unsigned int'.
5112 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5115 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5116 Use the corrected index for the character
5117 out of the string constant.
5119 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5121 * mode-switching.c (optimize_mode_switching): Fix size
5122 allocated for bb_info[n_entities].
5124 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5126 * gcc.c (main): Correct type that is allocated for
5127 explicit_link_files.
5129 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5131 * config/s390/s390.c (init_alignment_context): Set
5132 ALIAS_SET_MEMORY_BARRIER on the MEM.
5133 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5135 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5138 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5140 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5143 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5145 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5146 * regrename.c: Ditto.
5147 * tree-ssa-loop-im.c: Ditto.
5148 * tree-dump.c: Ditto.
5149 * tree-complex.c: Ditto.
5150 * genrecog.c: Ditto.
5151 * tree-ssa-threadupdate.c: Ditto.
5153 * java/class.c: Ditto.
5154 * java/jcf-parse.c: Ditto.
5155 * java/resource.c: Ditto.
5156 * java/except.c: Ditto.
5157 * java/jvspec.c: Ditto.
5158 * java/jcf-write.c: Ditto.
5159 * java/jcf-path.c: Ditto.
5160 * java/gjavah.c: Ditto.
5161 * java/zextract.c: Ditto.
5162 * java/jcf-io.c: Ditto.
5163 * java/jcf.h: Ditto.
5164 * java/buffer.c: Ditto.
5165 * java/lang.c: Ditto.
5166 * java/parse-scan.y: Ditto.
5167 * java/lex.c: Ditto.
5168 * java/lex.h: Ditto.
5169 * cfgloopmanip.c: Ditto.
5170 * postreload-gcse.c: Ditto.
5171 * tree-ssa-loop-manip.c: Ditto.
5172 * postreload.c: Ditto.
5173 * tree-ssa-loop-ch.c: Ditto.
5177 * diagnostic.c: Ditto.
5179 * genoutput.c: Ditto.
5181 * cfghooks.c: Ditto.
5182 * cfgloopanal.c: Ditto.
5183 * objc/objc-act.c: Ditto.
5185 * genextract.c: Ditto.
5186 * genautomata.c: Ditto.
5187 * pretty-print.c: Ditto.
5189 * cgraphunit.c: Ditto.
5192 * haifa-sched.c: Ditto.
5193 * dominance.c: Ditto.
5195 * tree-ssa-loop-ivopts.c: Ditto.
5197 * mode-switching.c: Ditto.
5198 * modulo-sched.c: Ditto.
5200 * ipa-pure-const.c: Ditto.
5202 * fix-header.c: Ditto.
5204 * tree-stdarg.c: Ditto.
5205 * ipa-utils.c: Ditto.
5206 * loop-init.c: Ditto.
5207 * ipa-inline.c: Ditto.
5210 * alloc-pool.c: Ditto.
5211 * dwarf2out.c: Ditto.
5213 * genattrtab.c: Ditto.
5214 * tree-ssa-loop-ivcanon.c: Ditto.
5218 * fortran/gfortranspec.c: Ditto.
5220 * local-alloc.c: Ditto.
5221 * langhooks.c: Ditto.
5222 * function.c: Ditto.
5223 * tree-vectorizer.c: Ditto.
5225 * ipa-type-escape.c: Ditto.
5227 * tree-if-conv.c: Ditto.
5230 * tree-data-ref.c: Ditto.
5231 * loop-unroll.c: Ditto.
5232 * treelang/treetree.c: Ditto.
5235 * ggc-common.c: Ditto.
5237 * coverage.c: Ditto.
5239 * tree-cfgcleanup.c: Ditto.
5240 * tree-ssa-pre.c: Ditto.
5241 * cfgcleanup.c: Ditto.
5242 * loop-invariant.c: Ditto.
5244 * ipa-prop.c: Ditto.
5245 * print-tree.c: Ditto.
5246 * conflict.c: Ditto.
5247 * ggc-page.c: Ditto.
5248 * sched-deps.c: Ditto.
5249 * regclass.c: Ditto.
5250 * tree-object-size.c: Ditto.
5252 * bb-reorder.c: Ditto.
5253 * resource.c: Ditto.
5254 * var-tracking.c: Ditto.
5256 * df-problems.c: Ditto.
5257 * reg-stack.c: Ditto.
5260 * sched-rgn.c: Ditto.
5261 * tree-ssa-structalias.c: Ditto.
5262 * tree-ssa-reassoc.c: Ditto.
5263 * config/darwin-c.c: Ditto.
5264 * config/darwin.c: Ditto.
5265 * config/arm/arm.c: Ditto.
5267 * collect2.c: Ditto.
5270 2006-01-31 Nicolas Pitre <nico@cam.org>
5272 * arm.md (smaxsi3): Make aware of smax_m1.
5275 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5277 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5279 2006-01-31 Richard Guenther <rguenther@suse.de>
5281 * doc/invoke.texi (-msselibm): Document.
5282 * target.h (expand_library_builtin): New target hook.
5283 * builtins.c (expand_builtin): Use expand_library_builtin.
5284 (default_expand_library_builtin): New function.
5285 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5286 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5287 (link_gcc_math_spec): Declare.
5288 (static_specs): Add link_gcc_math_spec.
5289 * expr.h (default_expand_library_builtin): Declare.
5290 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5291 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5292 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5293 * config/i386/i386.opt (msselibm): New target option.
5294 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5295 (ix86_init_sse_abi_builtins): New function.
5296 (ix86_expand_library_builtin): Likewise.
5297 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5298 (override_options): Handle error conditions wrt -msselibm.
5299 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5300 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5301 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5304 2006-01-31 Richard Guenther <rguenther@suse.de>
5305 Paolo Bonzini <bonzini@gnu.org>
5307 * doc/install.texi (--disable-libgcc-math): Document.
5309 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5311 * expr.h (expand_normal): new inline function.
5312 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5314 * dwarf2out.c: use it.
5319 * config/sparc/sparc.c: use it.
5320 * config/i386/i386.c: use it.
5321 * config/rs6000/rs6000.c: use it.
5322 * config/arm/arm.c: use it.
5323 * config/mips/mips.c: use it.
5324 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5326 2006-01-30 Roger Sayle <roger@eyesopen.com>
5328 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5329 argv to the appropriate type.
5331 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5333 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5336 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5339 * config/s390/s390.c (struct machine_function): New flag
5340 decomposed_literal_pool_addresses_ok_p.
5341 (s390_reorg): Set it before final stage of literal pool transforms.
5342 (s390_decompose_address): Only accept displacements of the form
5343 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5345 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5347 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5348 the comparison routine return.
5350 2006-01-30 Michael Matz <matz@suse.de>
5352 * global.c (find_reg): Only evict for global regs.
5353 Take n_refs into account and dump more info.
5355 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5358 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5359 (pragma_trap, pragma_nosave_low_regs): Likewise.
5360 (current_function_anonymous_args): Likewise.
5361 (sh_deferred_function_attributes): New variable.
5362 (sh_deferred_function_attributes_tail): Likewise.
5363 (print_operand): For '@', look up trap_exit attribute.
5364 (calc_live_regs): Look up trapa_handler attribute. For trapa
5365 handlers, save/restore fpscr, but don't do any other
5366 interrupt-specific saves.
5367 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5368 Fix check for partially saved registers to check for SHmedia.
5369 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5370 (sh_output_function_epilogue): Don't clear any of the removed
5372 (sh_insert_attributes): Don't check pragma_interrupt.
5373 Insert deferred attributes. Check that interrupt attribute is
5374 present for other attributes that require its presence.
5375 (sh_attribute_table): Add new attributes trapa_handler and
5377 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5378 Don't check for pragma_interrupt. Don't store argument.
5379 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5380 (sh_deferred_function_attributes): Declare.
5381 (sh_deferred_function_attributes_tail): Likewise.
5382 * sh.md (sp_switch_1): Add operand. Change generator caller.
5383 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5384 (*return_i): Don't use when trap_exit attribute is in effect.
5385 (*return_trapa): New insn pattern.
5387 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5388 setting c_target_objs and cxx_target_objs.
5389 * t-sh: Add rule for sh-c.o.
5391 2006-01-30 Richard Guenther <rguenther@suse.de>
5394 * gimplify.c (gimplify_target_expr): Handle easy cases
5395 without creating a temporary.
5397 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5399 * vec.h (safe_grow): Remove duplicated line.
5401 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5404 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5405 (expand_omp): ... here.
5406 (expand_omp_parallel): Only remove barriers for combined
5407 parallel+workshare constructs.
5409 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5413 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5414 * tree.c (build_qualified_type): Chain the new type to the original
5415 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5416 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5417 (build_pointer_type_for_mode): Only return unqualified types.
5418 (build_reference_type_for_mode): Likewise.
5420 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5422 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5423 * Makefile.in (CXX_COMPAT_WARN): Define.
5424 * configure: Regenerate.
5426 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5429 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5432 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5434 * toplev.c: Fix thinko.
5436 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5437 Marcin Dalecki <martin@dalecki.de>
5439 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5440 (push_srcloc): Use XNEW.
5441 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5443 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5445 * df-core.c (df_set_blocks): Deleted all variable.
5447 2006-01-28 Ian Lance Taylor <ian@airs.com>
5449 * cgraphunit.c (cgraph_assemble_pending_functions): Call
5450 cgraph_output_pending_asms.
5452 2006-01-28 Zack Weinberg <zackw@panix.com>
5454 * c.opt: Add -W(no-)overlength-strings.
5455 * doc/invoke.texi: Document it.
5456 * c-opts.c (c_common_handle_option): -pedantic implies
5457 -Woverlength-strings, if not explicitly disabled already.
5458 (c_common_post_options): -Woverlength-strings defaults to off, and
5459 is always off for C++.
5460 * c-common.c (fix_string_type): Issue warning about strings longer
5461 than is portable only if warn_overlength_strings. Rearrange code
5462 a little for clarity.
5463 * configure.in: Check for -Wno-overlength-strings as well before
5464 enabling -pedantic in stage 1.
5465 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
5466 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
5468 * genconditions.c (write_header, write_one_condition)
5469 (write_conditions, write_writer): Consolidate very long strings
5470 that were broken up to fit in C89 portable limit. Don't use
5471 printf when fputs will do.
5473 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
5475 * combine.c (simplify_comparison <AND>): Check
5476 TRULY_NOOP_TRUNCATION before start using a subreg.
5478 * config/mips/mips.md (*branch_zero<mode>,
5479 *branch_zero<mode>_inverted, *branch_equality<mode>,
5480 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
5481 Remove mode check from comparisons.
5483 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
5485 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
5487 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5489 * expmed.c (const_mult_add_overflow_p): Remove.
5490 * expr.h: Remove the prototype for const_mult_add_overflow_p.
5492 * recog.c (validate_replace_rtx_subexp): Remove.
5493 * recog.h: Remove the prototype for
5494 validate_replace_rtx_subexp.
5496 * integrate.h: Remove the prototype for
5497 copy_decl_for_inlining.
5498 * rtl.h: Remove the prototype for mark_constant_function.
5499 * tree-vectorizer.h: Remove the prototype for
5500 vect_strip_conversion.
5502 * modulo-sched.c (create_partial_schedule,
5503 free_partial_schedule, reset_partial_schedule): Make them
5506 * hooks.c (hook_bool_rtx_int_false): Remove.
5507 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
5509 2006-01-28 David Edelsohn <edelsohn@gnu.org>
5511 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5512 and -mlong-double-128 are incompatible.
5513 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
5514 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
5515 (TARGET_LIBGCC2_CFLAGS): Define.
5516 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
5517 (TARGET_LIBGCC2_CFLAGS): Same.
5518 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
5520 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5523 * c-typeck.c (build_binary_op): Perform implicit casts of
5524 operands before shortening them.
5526 * cfgloopmanip.c (split_loop_bb): Remove.
5527 * cfgloop.h: Remove the prototype for split_loop_bb.
5529 * cfgloop.c (flow_loop_outside_edge_p): Remove.
5530 * cfgloop.h: Remove the prototype for
5531 flow_loop_outside_edge_p.
5533 * emit-rtl.c (init_virtual_regs): Make it static.
5534 * function.h: Remove the prototype for init_virtual_regs.
5536 * recog.c (peephole2_optimize): Make it static.
5537 * recog.h: Remove the prototype for peephole2_optimize.
5539 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5541 * df-scan.c (df_record_entry_block_defs): Check if
5542 INCOMING_RETURN_ADDR_RTX is defined.
5544 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
5545 Kenneth Zadeck <zadeck@naturalbridge.com>
5547 PR rtl-optimization/24762
5548 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5549 * targhooks.c (hook_void_bitmap): New hook prototype.
5550 * targhoohs.h (hook_void_bitmap): Ditto.
5551 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
5552 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
5553 * target.h (live_on_entry): New function pointer.
5554 * df-scan.c (df_all_hard_regs): Removed.
5555 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
5556 (df_scan_free_internal): Added df->entry_block_defs.
5557 (df_scan_alloc): Ditto.
5558 (df_scan_dump): Ditto.
5559 (df_uses_record): Plumbed flag field properly thru calls.
5560 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
5561 This part fixes PR24762.
5562 (df_bb_refs_record): Added code to make the frame and arg
5563 pointers live in EH blocks.
5564 (df_refs_record): Added call to df_record_entry_block_defs.
5565 (df_record_entry_block_defs): New function.
5566 * df-core.c: Added comments to describe new artifical defs.
5567 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
5568 (entry_block_defs): New field in struct df.
5569 (df_all_hard_regs): Deleted.
5570 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5571 * df-problems.c (df_ru_bb_local_compute_process_def):
5572 Added code to handle artifical defs in the entry to a function.
5573 (df_ru_bb_local_compute): Ditto.
5574 (df_rd_bb_local_compute_process_def): Ditto.
5575 (df_rd_bb_local_compute): Ditto.
5576 (df_lr_bb_local_compute): Ditto.
5577 (df_ur_bb_local_compute): Ditto.
5578 (df_urec_bb_local_compute): Ditto.
5579 (df_chain_create_bb): Ditto.
5580 (df_ur_local_finalize): Removed entry.
5581 (df_urec_init): Ditto.
5582 (df_urec_local_finalize): Ditto.
5583 (df_ri_bb_compute): Added detection of last use of pseudos.
5584 * Makefile.in (df-scan.o): Updated dependencies.
5585 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
5586 * config/mips/mips.c (mips_set_live_on_entry): Added.
5587 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
5589 * dce.c (marked_insn_p): Added code to handle artifical defs.
5591 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5593 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
5595 (_mm_cvtsi128_si64): Likewise.
5596 (_mm_cvtsd_si64): Likewise.
5597 (_mm_cvttsd_si64): Likewise.
5598 (_mm_cvtsi64_sd): Likewise.
5599 (_mm_cvtsi64_si128): Likewise.
5600 * config/i386/mmintrin.h (_m_from_int64): Likewise.
5601 (_mm_cvtsi64_m64): Likewise.
5602 (_m_to_int64): Likewise.
5603 (_mm_cvtm64_si64): Likewise.
5604 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
5605 (_mm_cvttss_si64): Likewise.
5606 (_mm_cvtsi64_ss): Likewise.
5607 (_mm_cvtss_f32): Likewise.
5609 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
5611 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
5612 for pragma redefine_extname.
5614 2006-01-27 Jakub Jelinek <jakub@redhat.com>
5617 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
5618 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
5619 -mno-minimal-toc to previous content.
5620 (bispecs): Remove goal.
5621 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
5622 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
5623 compatibility aliases on powerpc-*-*gnu*.
5624 * config/rs6000/libgcc-ppc-glibc.ver: New file.
5625 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
5626 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
5627 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
5628 (ldblspecs): New goal.
5629 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
5630 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
5632 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
5633 L_sf_to_tf or L_df_to_tf is defined.
5635 2006-01-27 David Edelsohn <edelsohn@gnu.org>
5636 Alan Modra <amodra@bigpond.net.au>
5639 * config/rs6000/linux.h (POWERPC_LINUX): Define.
5640 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
5641 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
5642 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
5643 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
5644 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
5645 (rs6000_override_options): Initialize rs6000_ieeequad.
5646 Initialize TFmode format to ibm_extended_format if not
5648 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
5650 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
5651 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
5652 (function_arg_advance): IBM long double passed in two FPRs, not
5654 (function_arg): IBM long double passed in FPRs.
5655 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
5656 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
5657 Only multireg GPR aligned.
5658 (rs6000_init_libfuncs): Enable IBM long double functions if not
5660 (rs6000_generate_compare): Use IBM long double compare if not
5662 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
5663 (TARGET_IEEEQUAD): Define.
5664 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
5665 not TARGET_IEEEQUAD.
5666 * config/rs6000/rs6000.md: Enable TFmode patterns if
5668 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
5669 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5670 and -mlong-double-128 are incompatible.
5671 * doc/invoke.texi (-mabi): Collect options together. Add
5672 ibmlongdouble and ieeelongdouble.
5674 2006-01-27 Richard Sandiford <richard@codesourcery.com>
5676 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
5678 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
5679 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
5680 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
5681 * rtl.h (rtunion_def): Remove rt_ptr.
5683 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
5684 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
5685 * config/i386/winnt.c (i386_pe_mark_dllexport)
5686 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
5688 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
5690 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
5692 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5696 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
5697 pthread_key_delete. From John David Anglin. gthrw-ify
5698 pthread_getunique_np only if it it's not a macro. Delete
5700 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
5701 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
5702 __gthread_objc_condition_signal, __gthread_key_delete): Add
5703 "__attribute__ ((__unused__))" to unused arguments.
5704 (__gthread_recursive_mutex_init_function): Add missing return.
5705 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
5706 gthr-posix95.h: Use macro-based approach for name redirection
5707 on targets missing weakref.
5709 2006-01-26 Zack Weinberg <zackw@panix.com>
5711 * genconditions.c (write_header): In generated code, #ifdef out
5712 all includes and fake declarations, except includes of bconfig.h
5713 and system.h, unless GCC_VERSION >= 3001. Do not include
5714 gensupport.h in any case.
5715 (write_conditions): Generate a definition of struct c_test. Add
5716 a comment to the generated #endif.
5717 (write_one_condition): Escape backslashes in string too.
5718 (write_writer): Generated code must escape backslashes and quote
5719 marks (but not newlines) in the strings it writes.
5720 * Makefile.in (build/gencondmd.o): Update dependencies.
5722 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5725 * Makefile.in (insn-automata.o): Add header file dependencies.
5726 * genautomata.c: Add includes.
5728 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5731 * Makefile.in (insn-automata.o): Add -Wno-error flag.
5733 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5735 * configure.ac: Expect target tools paths to be passed from the toplevel
5736 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
5738 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
5740 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5743 * c.opt (Wpointer-sign): Init to -1.
5744 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
5745 OPT_pedantic, to 0 otherwise.
5746 * doc/invoke.texi: Update.
5748 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5750 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
5751 constants provided by 80387 instructions in the destination mode.
5753 2006-01-26 Richard Guenther <rguenther@suse.de>
5754 Andrew Pinski <pinskia@physics.uc.edu>
5757 partial PR tree-opt/17064
5758 * tree-ssa-structalias.c (intra_create_variable_infos):
5759 Create heap variables for incoming parameters if
5760 flag_argument_noalias > 1.
5761 (find_what_p_points_to): Look through default defs of
5764 2006-01-26 Jeff Law <law@redhat.com>
5767 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
5768 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
5769 within the VR_RANGE, use the VR_RANGE as the result, not the
5771 (adjust_range_with_scev): Reject ranges from SCEV which are out of
5772 bounds for the type.
5774 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
5776 * tree-ssa-alias.c (maybe_create_global_var): Change
5777 subvar walking to an assertion that we don't have subvar'd variables.
5779 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
5782 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
5783 Use a new variable, inner. PARM_DECLs are always non-weak.
5785 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
5787 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
5790 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
5792 * config/mips/mips.md (*clear_upper32): New combiner pattern.
5794 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
5796 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
5797 (smax_insn, smin_insn, smax_0, smin_0): New.
5799 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
5802 * config/cris/cris.c (cris_order_for_addsi3): New function.
5803 * config/cris/cris-protos.h: Prototype it.
5804 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
5805 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
5806 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
5807 (split for "op.S1 [rx=rx+i],ry (swapped)")
5808 (split for "op(s|u).S1 [rx=rx+i],ry")
5809 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
5810 Apply cris_order_for_addsi3 when generating addsi3 insns.
5812 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5814 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
5815 (TREE_BLOCK): Add call to EXPR_CHECK.
5817 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5820 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
5821 * tree-pretty-print.c (dump_omp_clause): Extract from ...
5822 (dump_omp_clauses): ... here.
5823 (dump_generic_node): Handle OMP_CLAUSE.
5824 * tree.c (omp_clause_num_ops): New.
5825 (omp_clause_code_name): New.
5826 (tree_code_size): Handle OMP_CLAUSE.
5827 (tree_size): Likewise.
5828 (make_node): Document handling of OMP_CLAUSE.
5829 (tree_node_structure): Handle OMP_CLAUSE.
5830 (omp_clause_check_failed): New.
5831 (omp_clause_range_check_failed): New.
5832 (omp_clause_operand_check_failed): New.
5833 (build_omp_clause): New.
5834 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
5835 * tree.h (enum omp_clause_code): Declare.
5836 (OMP_CLAUSE_SUBCODE_CHECK): Define.
5837 (OMP_CLAUSE_RANGE_CHECK): Define.
5838 (OMP_CLAUSE_ELT_CHECK): Define.
5839 (omp_clause_check_failed): Declare.
5840 (omp_clause_operand_check_failed): Declare.
5841 (omp_clause_range_check_failed): Declare.
5842 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
5843 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
5844 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
5845 (OMP_CLAUSE_LASTPRIVATE): Likewise.
5846 (OMP_CLAUSE_IF_EXPR): Likewise.
5847 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
5848 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
5849 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
5850 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
5851 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
5852 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
5853 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
5854 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
5855 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
5856 (OMP_CLAUSE_CODE): Define.
5857 (OMP_CLAUSE_SET_CODE): Define.
5858 (OMP_CLAUSE_CODE): Define.
5859 (OMP_CLAUSE_OPERAND): Define.
5860 (struct tree_omp_clause): Declare.
5861 (union tree_node): Add field 'omp_clause'.
5862 * treestruct.def (TS_OMP_CLAUSE): Define.
5863 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
5864 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
5865 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
5866 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
5867 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
5868 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
5869 (OMP_CLAUSE): Define.
5870 * print-tree.c (print_node): Handle OMP_CLAUSE.
5871 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
5872 * c-typeck.c: Likewise.
5873 * gimplify.c: Likewise.
5874 * c-omp.c: Likewise.
5875 * tree-nested.c: Likewise.
5876 * tree-inline.c: Likewise.
5877 * c-parser.c: Likewise.
5878 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
5881 2006-01-25 Roger Sayle <roger@eyesopen.com>
5883 PR rtl-optimization/25703
5884 * combine.c (try_combine): Handle zero_extract and strict_low_part
5885 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
5887 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
5889 * global.c: Fix comment typos.
5891 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
5894 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
5895 Use output_addr_const instead of assemble_name.
5897 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
5899 * Makefile.in (sched-vis.o): Update dependencies.
5900 * haifa-sched.c (sched_finish): Clear current_sched_info.
5901 * cfg.c (dump_bb_info): New, split from dump_flow_info.
5902 (dump_flow_info): Call it.
5903 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
5905 * basic-block.h (dump_bb_info): Declare.
5906 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
5907 option, and apply options only for dump files whose TDF_RTL,
5908 TDF_TREE, or TDF_IPA bits match.
5909 * rtl.h: Declare new functions exported from sched-vis.c.
5910 * sched-vis.c: Enable also if scheduling is not used.
5911 (print_value): Print the mode of registers if not inside scheduling.
5912 (print_insn): Make it work outside the scheduler. Beautify the output
5914 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
5916 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5918 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
5919 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
5920 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
5921 depending on the value of CONSTANT_POOL_ADDRESS_P.
5922 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
5924 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
5925 rather than SYMBOL_REF_DECL.
5926 (rtx_constant_pool): Remove const_rtx_sym_htab.
5927 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
5928 (init_varasm_status): Don't initialize const_rtx_sym_htab.
5929 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
5930 Remove handling of const_rtx_sym_htab.
5931 (find_pool_constant): Delete.
5932 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
5933 rather than find_pool_constant.
5934 (get_pool_constant_for_function): Delete.
5935 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
5937 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
5938 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
5939 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
5940 (SYMBOL_REF_CONSTANT): New macro.
5941 (get_pool_constant_for_function): Delete.
5942 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
5943 rather than SYMBOL_REF_DECL.
5944 (i386_pe_mark_dllimport): Likewise.
5945 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
5946 rather than SYMBOL_REF_DECL.
5947 * config/darwin.c (machopic_indirect_data_reference): Likewise.
5948 (machopic_indirect_call_target): Likewise.
5950 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
5952 * flow.c (delete_noop_moves): Add missing EOL to dump message.
5954 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5956 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
5958 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
5960 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
5962 2006-01-24 David Daney <ddaney@avtrex.com>
5965 * configure.ac (enable_tls): New enable option.
5966 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
5967 * configure: Regenerate.
5968 * doc/install.texi (--enable-tls): Document new option.
5969 (--disable-tls): Ditto.
5971 2006-01-24 Richard Henderson <rth@redehat.com>
5973 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
5974 * alias.c (true_dependence): Respect it.
5975 (canon_true_dependence, write_dependence_p): Likewise.
5976 * builtins.c (get_builtin_sync_mem): Set it.
5978 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
5980 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
5983 2006-01-24 DJ Delorie <dj@redhat.com>
5985 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
5986 for storing constants in single-bit bitfields.
5988 2006-01-25 Ben Elliston <bje@au.ibm.com>
5990 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
5992 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
5995 * tree-ssa-pre.c (phi_translate): Return NULL
5996 for AGGREGATE_TYPE's.
5998 2006-01-24 Zack Weinberg <zackw@panix.com>
6000 * genautomata.c (process_state_for_insn_equiv_partition):
6001 Use xcalloc for insn_arcs_array.
6002 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6003 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6005 2006-01-24 Richard Henderson <rth@redhat.com>
6007 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6010 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6012 PR rtl-optimization/25890
6013 PR rtl-optimization/25905
6014 * combine.c (expand_compound_operation, expand_field_assignment):
6015 Fail if the bitfield's final position is out of bounds.
6017 2006-01-24 Ian Lance Taylor <ian@airs.com>
6020 * cgraphunit.c (cgraph_output_in_order): Don't clear
6021 cgraph_asm_nodes until after asm strings have been output.
6023 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6025 * fix-header.c (read_scan_file): Add new parameter imultilib when
6026 calling register_include_chains.
6028 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6030 * omp-low.c: Update documentation.
6032 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6033 Daniel Berlin <dberlin@dberlin.org>
6037 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6038 return from the function.
6040 2006-01-22 Zack Weinberg <zackw@panix.com>
6042 * rtl.def (match_code): Add second argument.
6043 * genpreds.c (write_extract_subexp): New function.
6044 (write_match_code): Add path argument. Use write_extract_subexp.
6045 (write_predicate_expr): Pass path to write_match_code.
6046 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6047 not perform a mode test.
6048 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6049 a subexpression does not constrain the top-level code set.
6050 * read-rtl.c (read_rtx_variadic): New function.
6051 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6052 * doc/md.texi: Document new notation.
6053 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6054 (cmpsi_operand): ... here, using new notation.
6056 2006-01-22 Zack Weinberg <zackw@panix.com>
6058 * varray.c: Remove GENERATOR_FILE #ifdefs.
6060 2006-01-22 Zack Weinberg <zackw@panix.com>
6062 * genautomata.c (output_reserved_units_table): Emit nothing if
6063 description->query_units_num is zero. Remove extra blank line.
6064 (output_cpu_unit_reservation_p): Short circuit
6065 if description->query_units_num is zero.
6067 2006-01-22 Zack Weinberg <zackw@panix.com>
6069 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6070 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6071 nor any of the random handful of variables that used to be necessary
6072 when this program was linked with rtlanal.o. Prune set of forward
6073 function declarations.
6074 (struct attr_desc): Remove static_p field.
6075 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6076 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6077 (attr_string): Do not read the character one past the length of
6079 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6080 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6081 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6082 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6083 (make_automaton_attrs): New.
6084 (main): Do not call into genautomata. Call local gen_bypass
6085 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6086 Remove special case for insn_alts.
6087 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6088 varray.h (leftover from previous change). Prune set of forward
6089 function declarations. Remove state_alts fields from all
6090 structures. Remove state_alts_table from struct automaton.
6091 Make everything except main static. Do not maintain num_dfa_decls.
6092 Do not maintain state_alts fields of various structures.
6093 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6094 (add_arc): Remove state_alts argument. All callers updated.
6095 (output_reserved_units_table): Emit #ifdef here...
6096 (output_tables): ...not here. Don't generate state_alts tables.
6097 (expand_automata): Don't generate attributes.
6098 (write_automata): Don't generate state_alts functions.
6099 (main): New function.
6100 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6101 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6102 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6103 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6104 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6105 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6106 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6107 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6109 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6110 * genattrtab.h: Delete file.
6111 * Makefile.in (OBJS-common): Add insn-automata.o.
6112 (insn-automata.o): New rule.
6113 (simple_generated_c): Add insn-automata.c.
6114 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6115 (genprogmd): Add automata.
6116 (build/genattrtab): Needs no extra objects nor libraries.
6117 (build/genautomata): Needs build/vec.o and -lm.
6119 2006-01-22 Zack Weinberg <zackw@panix.com>
6121 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6122 (output_dfa_max_issue_rate, locked_states_num): Delete.
6123 (struct automaton): Add locked_states field.
6124 (output_dead_lock_vect): Save number of locked states in
6125 automaton->locked_states. If it is zero, don't print anything.
6126 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6127 (output_internal_dead_lock_func): Only test the dead_lock_vect
6128 for automata that have locked states.
6129 (output_statistics): Always print the number of locked states for
6130 each automaton. Calculate total number of locked states here.
6131 (write_automata): Don't call output_dfa_max_issue_rate.
6132 * genattrtab.c: Define length_unit_log as a const variable.
6133 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6134 max_insn_queue_index const.
6135 * final.c (length_unit_log): Declare const.
6136 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6138 2006-01-22 Zack Weinberg <zackw@panix.com>
6140 * genautomata.c: Include vec.h, not varray.h.
6141 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6142 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6143 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6144 VEC_* macros operating on appropriately typed vectors, or to
6145 malloced arrays when the size is known in advance. Const-ify
6146 many char* variables and function arguments. No functional changes.
6147 * Makefile.in (build/varray.o): Delete rule.
6148 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6149 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6151 2006-01-22 Zack Weinberg <zackw@panix.com>
6153 * gensupport.c: Define get_insn_name and record_insn_name here.
6154 (read_md_rtx): Call record_insn_name as appropriate.
6155 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6156 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6157 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6159 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6160 (BUILD_VARRAY): Delete.
6161 (genprognormal): Rename genprogmd. Fold in all programs from
6162 genprognoprint; also attrtab.
6163 (build/genattrtab): Just mention genautomata.o and varray.o.
6164 Reorganize a bit, add comments to make the categories clearer.
6166 2006-01-22 Zack Weinberg <zackw@panix.com>
6168 * genconditions.c (condition_table, add_condition): Delete.
6169 (write_conditions): Don't emit n_insn_conditions nor
6170 insn_elision_unavailable. Issue the gcc version #ifdef here,
6171 inside the table, with no #else clause ...
6172 (write_header): ...not here.
6173 (write_writer): New function.
6174 (main): Don't initialize condition_table. Use add_c_test.
6176 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6177 files on the command line.
6178 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6179 Return -1 if there is no entry in the table, don't abort.
6180 (add_c_test, traverse_c_tests): New functions.
6181 * gensupport.h (insn_elision_unavailable, insn_conditions)
6182 (n_insn_conditions): Delete declarations.
6183 (add_c_test, traverse_c_tests): Declare.
6184 * read-rtl.c: Include gensupport.h.
6185 (read_conditions): New function.
6186 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6187 (read_rtx_1): If we get EOF when we were looking for an initial
6188 open paren, return 0. Call read_conditions when appropriate.
6189 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6190 dummy-conditions.o. Eliminate references to insn-conditions.o,
6191 or change them to build/gencondmd.o, as appropriate. Remove
6192 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6193 from $(simple_generated_c). For all files remaining in those
6194 two lists, add insn-conditions.md to the generator command line.
6195 Give insn-constants.h/s-constants their own rules. Add rules
6196 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6197 (build/read-rtl.o): Depend on gensupport.h.
6198 (genprognormal): Include preds.
6199 (genprogearly): Rename genprognoprint; only difference is now that
6200 they don't link with $(BUILD_PRINT).
6201 * dummy-conditions.c: Delete.
6203 2006-01-22 Zack Weinberg <zackw@panix.com>
6205 * genextract.c: Don't include insn-config.h. Do include vec.h.
6206 Declare vectors of int, char, and locstr.
6207 (locstr): New typedef.
6208 (struct extraction): Make all array fields into bare pointers.
6209 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6210 (insn_code_number): Delete.
6211 (accum_extract): New struct.
6212 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6213 (gen_insn): Take insn_code_number as an argument. Use an
6214 accum_extract structure instead of loading data directly into
6215 a struct extraction, and having to know how big it might get.
6216 (walk_rtx): Operate entirely on an accum_extract structure.
6217 (print_path): Avoid unnecessary use of printf.
6218 (print_header): New function, split out of main. Distinguish
6219 more carefully between an unrecognizable insn and an insn that
6220 has the code number of a define_expand.
6221 (main): Pass insn_code_number to gen_insn. Call print_header
6222 only after parsing. Avoid unnecessary use of printf.
6223 * Makefile.in (build/vec.o): New rule.
6224 (build/genextract): Depend on build/vec.o.
6225 (build/genextract.o): Don't depend on insn-config.h.
6227 2006-01-22 Zack Weinberg <zackw@panix.com>
6229 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6230 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6231 practical. Eliminate per-generator-program link rules.
6233 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6236 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6237 with a call expr to ...
6238 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6240 2006-01-23 Richard Guenther <rguenther@suse.de>
6242 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6243 before make_edge with conditional EDGE_TRUE_VALUE.
6245 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6246 Jan Hubicka <jh@suse.cz>
6247 Richard Guenther <rguenther@suse.de>
6249 PR rtl-optimization/25654
6250 * cfgexpand.c (aggregate_contains_union_type): New function.
6251 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6252 for structure variables that contain a union type.
6254 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6256 * gengtype.c (new_structure): Return the structure.
6257 (create_option): Add an extra "next" argument.
6258 (create_field): New function.
6259 (adjust_field_rtx_def): Use create_option and create_field.
6260 Remove a now-unnecessary call to find_structure.
6261 (adjust_field_tree_def): Likewise.
6262 (note_yacc_type): Remove an unnecessary call to find_structure.
6263 * gengtype.h (new_structure): Return the structure.
6264 (create_option): Add an extra argument.
6265 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6266 (option): Adjust calls to create_option.
6268 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6270 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6272 2006-01-22 Paul Brook <paul@codesourcery.com>
6273 Peter Barada <peter@the-baradas.com>
6275 * config/m68k/m68k.md: Add Coldfire FPU support.
6276 Define FP mode macro and associated attributes.
6277 Use it for float mode patterns.
6278 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6279 (LIBCALL_VALUE): Use m68k_libcall_value.
6280 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6281 (m68k_function_value): Ditto.
6282 (emit_move_sequence): Ditto.
6283 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6284 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6285 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6286 (MULTILIB_EXCEPTIONS): Ditto.
6287 * config/m68k/m68k.opt: Add mcfv4e.
6288 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6289 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6290 (m68k_output_function_prologue): Save ColdFire FPU registers.
6291 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6292 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6293 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6294 ColdFire FPU registers.
6295 (m68k_libcall_value, m68k_function_value): New functions.
6296 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6297 (LIBCALL_VALUE): Use m68k_libcall_value.
6298 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6299 (MASK_COLDFIRE): Add MASK_CFV4E.
6300 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6301 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6302 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6303 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6304 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6305 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6306 * doc/invoke.tex: Document -mcfv4e on m68k.
6308 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6310 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6313 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6316 * c-opts.c (c_common_handle_option): Don't include
6317 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6318 * doc/invoke.texi (C++ Dialect Options): Document that
6319 -Wnon-virtual-dtor is no longer included in -Wall.
6321 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6323 * gcov.c (print_version), gcov-dump.c (print_version),
6324 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6327 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6329 * df-scan.c (problem_SCAN): Added NULL reset function.
6330 (df_scan_reset_blocks): Added code to call reset block function
6331 (df_bb_refs_delete) Fixed comment.
6332 (df_insn_refs_delete): Made tolerant of deleting non existent info
6333 for dataflow problems that need to be reset.
6334 * df-core.c (df_set_blocks): Ditto.
6335 * df.h (struct df_problem): Added reset_fun.
6336 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6337 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6338 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6339 functions to clear out all references to def-use or use-def chains.
6341 2006-01-21 Ben Elliston <bje@au.ibm.com>
6343 * varasm.c (assemble_real): Initialise data array.
6345 2006-01-20 Paul Brook <paul@codesourcery.com>
6347 Merge from csl-arm-branch.
6348 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6349 * config/arm/arm.md (movdi): Force operands[1] to a register
6350 if we have a non-register source.
6351 (*arm_movdi, *movdf_soft_insn): Require that one of the
6352 operands be a register.
6353 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6354 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6356 2006-01-20 DJ Delorie <dj@redhat.com>
6358 * varasm.c (initialize_constant_valid_p): Allow pointers
6359 initialized from integer constants of lesser precision.
6360 (output_constant): Allow non-int-sized pointer modes to be
6361 initialized from integer constants.
6363 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6366 * cppdefault.h (struct default_include): Add multilib flag.
6367 * cppdefault.c (cpp_include_defaults): Set it.
6368 * c.opt (-imultilib): New option.
6369 * c-opts.c (imultilib): New.
6370 (c_common_handle_option): Handle -imultilib.
6371 (c_common_post_options): Likewise.
6372 * c-incpath.c (add_standard_paths, register_include_chains):
6374 * c-incpath.h (register_include_chains): Add extra parameter.
6375 * gcc.c (do_spec_1): Generate -imultilib option.
6376 (The Specs Language): Update %I description.
6377 (process_command): Update copyright notice.
6378 * doc/cppopts.texi (-imultilib): Document.
6379 * doc/invoke.texi (-imultilib): Include in option summary.
6380 (%I): Update specs documentation.
6382 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6384 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6386 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6388 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6391 2006-01-20 Richard Guenther <rguenther@suse.de>
6392 Steven Bosscher <stevenb.gcc@gmail.com>
6394 PR rtl-optimization/24626
6395 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6396 EDGE_TRUE_VALUE if in RTL mode.
6399 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6400 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6402 2006-01-20 Dirk Mueller <dmueller@suse.com>
6405 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6406 instead of a special NOP marker.
6407 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6408 NOP marker handling.
6409 * c-common.h (empty_body_warning): Add forward declaration.
6410 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6411 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6413 2006-01-20 Paul Brook <paul@codesourcery.com>
6415 * Makefile.in (lang_checks): Keep going if mkdir fails.
6417 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6419 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6420 be able to clean out basic block when not necessary.
6421 (df_scan_free): Fixed to properly delete information if df is
6422 unused before calling df_finish.
6423 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6424 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6426 (df_bb_refs_delete): New function.
6427 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6428 * df-core.c (df_set_blocks): Added code to properly clean out
6429 unused blocks if they are not part of the blocks to consider.
6430 Added additional null check.
6431 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6432 be able to clean out basic block when not necessary
6433 * df.h (df_free_bb_function): Ditto.
6434 (df_bb_refs_delete): New function.
6435 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6436 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6437 basic block parameter to be able to clean out basic block when not
6439 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6440 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6441 Fixed to properly delete information if df is unused before
6444 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6446 PR rtl-optimization/25799
6447 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
6448 Corrected confluence operator to remove bits from op2 before oring
6449 with op1 rather than removing bits from op1.
6450 (df_ru_transfer_function): Corrected test on wrong bitmap which
6451 caused infinite loop. Both of these problems were introduced in
6452 the dataflow rewrite.
6454 2006-01-19 DJ Delorie <dj@redhat.com>
6456 * reload1.c (find_reload_regs): Note the details of reload
6457 failures in the dump file.
6458 (spill_failure): Likewise.
6460 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6462 * loop-iv.c: Include df.h and hashtab.h.
6463 (enum iv_grd_result): New enum.
6464 (DF_REF_IV, DF_REF_IV_SET): New macros.
6465 (struct biv_entry): New.
6466 (df, bivs): New global variables.
6467 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
6468 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
6470 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
6471 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
6472 analyzed_for_bivness_p, record_biv): New functions.
6473 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
6474 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
6475 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
6477 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
6479 (iv_number_of_iterations): Use new interface to iv analysis.
6480 * loop-unroll.c: Do not include varray.h.
6481 (analyze_iv_to_split_insn): Use new interface to iv
6483 * loop-unswitch.c (may_unswitch_on): Ditto.
6484 * df.c (df_bitmaps_free): Only work for bbs for that structures are
6486 (df_bb_modify): Realloc tables to the new index.
6487 (df_find_use): New function.
6488 * df.h (df_find_use): Declare.
6489 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
6491 * cfgloop.h (struct rtx_iv): Remove analysed field.
6492 (iv_get_reaching_def): Removed.
6493 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
6494 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
6495 (loop-iv.o): Add df.h and hashtab.h dependency.
6496 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
6498 2006-01-20 Alan Modra <amodra@bigpond.net.au>
6501 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
6503 (__floatundisf, __floatundidf): Likewise.
6504 * libgcc2.h (IS_IBM_EXTENDED): Define.
6506 2006-01-19 DJ Delorie <dj@redhat.com>
6508 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
6510 2006-01-19 Paul Brook <paul@codesourcery.com>
6512 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
6513 as nothrow when unwinding tables are disabled.
6515 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6518 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
6519 of bit-field" when in system header.
6521 2006-01-19 DJ Delorie <dj@redhat.com>
6523 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
6524 the 16 bit shift limit of the m16c.
6526 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
6529 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
6530 * config/i386/i386.c (output_set_got): Output the label if we have one
6531 for the TARGET_DEEP_BRANCH_PREDICTION case.
6533 2006-01-19 Jan Hubicka <jh@suse.cz>
6534 H.J. Lu <hongjiu.lu@intel.com>
6535 Evandro Menezes <evandro.menezes@amd.com>
6537 * invoke.texi (generic): Document
6539 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
6540 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
6541 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
6542 (x86_use_incdec, x86_pad_returns): New variables
6543 (TARGET_CPU_DEFAULT_generic): New constant
6544 (TARGET_CPU_DEFAULT_NAMES): Add generic.
6545 (enum processor_type): Add generic32 and generic64.
6546 * i386.md (cpu attribute): Add generic32/generic64
6547 (movhi splitter): Behave sanely when both partial_reg_dependency and
6548 partial_reg_stall are set.
6549 (K8 splitters): Enable for generic as well.
6550 * predicates.md (incdec_operand): Use TARGET_INCDEC
6551 (aligned_operand): Avoid memory mismatch stalls.
6552 * athlon.md: Enable for generic64, new patterns for 128bit moves.
6553 * ppro.md: Enable for generic32
6554 * i386.c (generic64_cost, generic32_cost): New.
6555 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
6556 (x86_use_leave): Enable for generic64. (x86_use_sahf,
6557 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
6558 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
6559 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
6560 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
6561 x86_partial_reg_dependency, x86_memory_mismatch_stall,
6562 x86_accumulate_outgoing_args, x86_prologue_using_move,
6563 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
6564 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
6566 (x86_use_incdec, x86_pad_returns): New.
6567 (override_options): Add generic32 and generic64, translate "generic"
6568 to generic32/generic64 and "i686" to "generic32", refuse
6569 "generic32"/"generic64" as arch target.
6570 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
6571 (ix86_reorg): Honor PAD_RETURNS.
6573 2006-01-19 Diego Novillo <dnovillo@redhat.com>
6575 * tree-pretty-print.c (dump_generic_node): Handle
6576 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
6577 * cgraph.c (cgraph_expand_queue): Rename from
6578 cgraph_analyze_queue. Update all users.
6579 * cgraphunit.c (cgraph_assemble_pending_functions): Process
6580 cgraph_expand_queue.
6581 (cgraph_expand_all_functions): Likewise.
6582 (cgraph_finalize_pending_functions): Remove. Update callers.
6584 * tree.h (OMP_DIRECTIVE_P): Define.
6585 (OMP_PARALLEL_FN): Define.
6586 (OMP_PARALLEL_DATA_ARG): Define.
6587 (OMP_SECTIONS_SECTIONS): Define.
6588 * tree-pass.h (pass_expand_omp): Declare.
6589 * omp-low.c (struct omp_region): Declare.
6590 (struct omp_context): Remove fields 'parallel_type',
6591 'parallel_start_ix' and 'parallel_start_additional_args'.
6593 (struct omp_for_data): Rename from struct expand_omp_for_data.
6594 (omp_regions): New static variable.
6595 (root_omp_region): New static variable.
6596 (find_omp_clause): Make static.
6597 (is_in_combined_parallel_ctx): Remove.
6598 (is_combined_parallel): New.
6599 (extract_omp_for_data): Move earlier in the file.
6600 (workshare_safe_to_combine_p): New.
6601 (get_ws_args_for): New.
6602 (determine_parallel_type): Move earlier in the file.
6603 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
6605 (omp_copy_decl): Likewise.
6606 (create_omp_child_function): Likewise.
6607 (lookup_omp_region): New.
6608 (dump_omp_region): New.
6609 (debug_omp_region): New.
6610 (debug_all_omp_regions): New.
6611 (new_omp_region): New.
6612 (scan_omp_parallel): If parallel_nesting_level > 1, the
6613 directive is nested within another parallel directive.
6614 Set OMP_PARALLEL_FN.
6615 (scan_omp_for): Do not try to handle combined parallel+for
6617 Remove FIXME comment.
6618 (scan_omp_nested): Remove.
6619 (scan_omp_1): Do not call scan_omp_nested when
6620 parallel_nesting_level is > 1.
6621 Do not change the DECL_CONTEXT of local variables found.
6622 (lookup_decl_in_outer_ctx): New.
6623 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
6624 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
6625 (lower_reduction_clauses): Rename from expand_reduction_clauses.
6626 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
6627 If CTX is nested, lookup VAR in the outer context when
6628 building copy assignment.
6629 (lower_send_clauses): Rename from expand_send_clauses.
6630 If CTX is nested, lookup VAR in the outer context when
6631 building copy assignments.
6632 (lower_send_shared_vars): Rename from expand_send_shared_vars.
6633 If CTX is nested, lookup VAR in the outer context when
6634 building copy assignments.
6635 (expand_parallel_call): Rename from build_parallel_call.
6636 Handle combined parallel+workshare cases.
6637 Re-implement to emit code into the CFG.
6639 (expand_omp_parallel): Re-implement to emit code into the CFG.
6640 Call move_sese_region_to_fn to outline the sub-graph
6641 containing the parallel region.
6642 (expand_omp_for_1): Remove.
6643 (expand_omp_for_generic): Re-implement to emit code into the
6645 (expand_omp_for_static_nochunk): Likewise.
6646 (expand_omp_for_static_chunk): Likewise.
6647 (expand_omp_for): Likewise.
6648 (expand_omp_sections): Likewise.
6649 (remove_exit_barriers): New.
6650 (expand_omp_synch): New.
6652 (build_omp_regions_1): New.
6653 (build_omp_regions): New.
6654 (execute_expand_omp): New.
6655 (gate_expand_omp): New.
6656 (pass_expand_omp): Define.
6657 (lower_omp_sections): Rename from expand_omp_sections.
6658 Set OMP_SECTIONS_SECTIONS.
6659 (lower_omp_single_simple): Rename from expand_omp_single_simple.
6660 (lower_omp_single_copy): Rename from expand_omp_single_copy.
6661 (lower_omp_single): Rename from expand_omp_simple.
6662 (lower_omp_master): Rename from expand_omp_master.
6663 (lower_omp_ordered): Rename from expand_omp_ordered.
6664 (lower_omp_critical): Rename from expand_omp_critical.
6665 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
6666 (lower_omp_for): Re-implement.
6667 (lower_omp_parallel): Re-implement.
6668 (lower_regimplify): Rename from expand_regimplify.
6669 (lower_omp_1): Rename from expand_omp_1.
6670 If there are syntax errors in the program, replace every
6671 OpenMP directive with NOP.
6672 Call lower_omp_* instead of expand_omp_*.
6673 (lower_omp): Rename from expand_omp.
6675 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
6676 * tree-gimple.h (enum omp_parallel_type): Remove.
6677 (gimple_boolify): Declare extern.
6678 (find_omp_clause, determine_parallel_type): Remove.
6680 * gimple-low.c (lower_omp_directive): New.
6681 (lower_stmt): Call it.
6682 (record_vars_into): Move from ...
6683 (record_vars): ... here.
6684 Call record_vars_into with current_function_decl.
6686 * gimplify.c (struct gimplify_ctx): Remove fields
6687 combined_pre_p and combined_ctxp. Update users.
6688 (get_formal_tmp_var): Add documentation.
6689 (gimple_boolify): Make extern.
6690 (gimplify_expr_in_ctx): Remove. Update callers.
6691 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
6692 will always be a BIND_EXPR.
6693 (gimplify_expr): Handle OMP_RETURN_EXPR.
6694 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
6695 (OMP_PARALLEL): Add 3 operands.
6696 (OMP_SECTIONS): Add 1 operand.
6697 (OMP_RETURN_EXPR): Define.
6699 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
6700 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
6701 * tree-iterator.c (alloc_stmt_list): Assert that we are not
6702 creating a circular free list.
6703 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
6705 * tree-flow.h (move_sese_region_to_fn): Declare.
6706 (record_vars_into): Declare.
6707 * tree-cfg.c (make_omp_sections_edges): New.
6708 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
6709 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
6710 OMP_SECTIONS and OMP_SECTION.
6711 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
6712 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
6713 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
6714 (gather_blocks_in_sese_region): New.
6715 (struct move_stmt_d): Declare.
6717 (move_block_to_fn): New.
6718 (move_sese_region_to_fn): New.
6720 * passes.c (init_optimization_passes): Schedule
6721 pass_expand_omp after pass_init_datastructures.
6723 * tree-ssa-operands.c (get_expr_operands): Handle
6724 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
6725 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
6727 2006-01-19 Jeff Law <law@redhat.com>
6729 * tree-vrp.c (extract_range_from_assert): Refine the result range
6730 if the variable referenced by the ASSERT_EXPR has a range and
6731 either the tentative result range or the previous range is a
6734 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6736 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
6738 2006-01-19 Jan Hubicka <jh@suse.cz>
6740 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
6742 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
6744 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
6745 (expand_compound_operation, expand_field_assignment): Fail if the
6746 bit lengths of an extract operation are out of range.
6747 (make_extraction): Compute wanted_inner_mode based on the position
6748 and length of the extraction. Make it extraction_mode for non-constant
6749 positions, and do not modify offset in that case. When generating a
6750 new MEM, use a mode that can hold the extraction while keeping correct
6751 alignment. Remove code that supported MEMs wrapped by USEs.
6752 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
6754 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
6756 * config/s390/s390.md ("Y", "y"): New mode attribute.
6757 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6758 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
6759 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
6760 "*addsi3_imm_cc", "*addsi3_carry1_cc",
6761 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
6762 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
6763 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
6764 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
6765 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
6766 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
6767 "addsi3", "subsi3"): Insn patterns removed.
6768 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
6769 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
6770 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
6771 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
6772 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
6773 "*sub<mode>3_cconly2"): New insn patterns.
6774 ("addsi3", "subsi3"): New expanders.
6776 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
6778 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
6779 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
6780 existing STMT_VINFO_VECTYPE if available.
6781 (vect_mark_relevant): Add special handling for stmts that are
6782 marked as STMT_VINFO_IN_PATTERN_P.
6783 (vect_analyze_loop): Call vect_pattern_recog.
6784 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
6785 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
6787 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
6788 (vect_recog_func_ptr): New function-pointer type.
6789 * tree-vect-patterns.c: New file.
6790 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
6791 (vect_recog_dot_prod_pattern, vect_pattern_recog):
6792 (vect_pattern_recog_1): New functions.
6793 (vect_pattern_recog_funcs): New array of function pointers.
6795 * tree-vectorizer.h (ternary_op): New enum value.
6796 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
6797 declaration. Revised documentation. Removed redundant dump prints.
6798 Removed redundant argument. Added support for reduction patterns.
6799 (vectorizable_reduction): Added support for reduction patterns.
6800 (vect_transform_stmt): Added support for patterns.
6802 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
6803 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
6804 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
6805 (expand_widen_pattern_expr): New function.
6806 (init_optabs): Initialize new optabs udot_prod_optab,
6808 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
6809 (sdot_prod_optab, udot_prod_optab): Define new optabs.
6810 (expand_widen_pattern_expr): New function declaration.
6811 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
6813 * tree-inline.c (estimate_num_insns_1): Added cases for new
6814 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6815 * tree-pretty-print.c (dump_generic_node): Likewise.
6816 (op_prio): Likewise.
6817 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6818 * tree-ssa-operands.c (get_expr_operands): Added case for
6820 * tree-vect-patterns.c (widened_name_p): New function.
6821 (vect_recog_dot_prod_pattern): Added function implementation.
6822 * tree-vect-transform.c (get_initial_def_for_reduction): Added
6823 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
6824 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
6825 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
6827 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
6828 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
6829 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
6830 (init_optabs): Initialize new optabs widen_ssum_optab,
6832 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
6833 (widen_ssum_optab, widen_usum_optab): Define new optabs.
6834 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
6835 use instead of type of def.
6836 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
6837 function implementation.
6838 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
6839 widen_ssumv8hi): New.
6841 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
6844 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6847 * c-decl.c (add_flexible_array_elts_to_size): New function.
6848 (finish_decl): Use it.
6850 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
6852 * diagnostic.h: Include options.h.
6853 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
6854 dependancies for diagnostic.h.
6855 * Makefile.in (DIAGNOSTIC_H): Add options.h.
6857 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
6859 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
6860 (ssa_ro_call_cache_valid): Ditto.
6861 * tree-ssa-alias.c (sort_tags_by_id): New function.
6862 (init_transitive_clobber_worklist): Ditto.
6863 (add_to_worklist): Ditto.
6864 (mark_aliases_call_clobbered): Ditto.
6865 (compute_tag_properties): Ditto.
6866 (set_initial_properties): Ditto.
6867 (compute_call_clobbered): Ditto.
6868 (compute_may_aliases): Call compute_call_clobbered and grouping.
6869 (compute_flow_sensitive_aliasing): Remove clobbering related code.
6870 (compute_flow_insensitive_aliasing): Grouping now happens in our
6872 (setup_pointers_and_addressables): Remove clobbering related code.
6873 (add_may_alias): Ditto.
6874 (replace_may_alias): Ditto.
6875 (get_nmt_for): Ditto.
6876 (create_global_var):
6877 (is_escape_site): Return an escape_type enumeration.
6878 * tree-flow-inline.h (is_call_clobbered): Global var does not
6879 imply call clobbered.
6880 (mark_call_clobbered): Take a reason for marking this. Remove
6881 marking of globalness, and cache invalidation.
6882 (clear_call_clobbered): Remove cache invalidation code.
6883 * tree-dfa.c (dump_variable): If details is on, dump the reason
6885 * tree-outof-ssa.c (create_temp): Copy escape mask from original
6887 * tree-flow.h (struct ptr_info_def): Add escape mask member.
6888 (struct var_ann_d): Ditto.
6889 (enum escape_type): New.
6890 (mark_call_clobbered): Adjust prototype.
6891 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
6892 are never call clobbered.
6893 Record reasons for escaping.
6894 * tree-ssa-structalias.h (is_escape_site): Update prototype.
6895 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
6896 (ssa_ro_call_cache_valid): Ditto.
6897 (clobbered_v_may_defs): Ditto.
6898 (clobbered_vuses): Ditto.
6899 (ro_call_vuses): Ditto.
6900 (clobber_stats): New.
6901 (init_ssa_operands): Zero out clobber stats.
6902 (fini_ssa_operands): Print out clobber stats.
6903 (get_call_expr_operands): Pass callee fndecl to
6905 (add_call_clobber_ops): Remove use of cache.
6906 Add use of PURE_CONST information.
6907 (add_call_read_ops): Remove use of cache.
6908 Add use of static not_read information.
6910 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
6912 Introduce TLS descriptors for i386 and x86_64.
6913 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
6914 (TARGET_ANY_GNU_TLS): New macro.
6915 (enum tls_dialect): Added TLS_DIALECT_GNU2.
6916 (struct machine_function): Add tls_descriptor_call_expanded_p.
6917 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
6918 (ix86_current_function_calls_tls_descriptor): Likewise.
6919 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
6920 (override_options): Introduce gnu2 tls dialect.
6921 (ix86_frame_pointer_required): Functions containing TLSCALLs are
6923 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
6925 (legitimize_tls_address): Adjust logic for GNU2 TLS.
6926 (ix86_init_machine_status): Initialize new field.
6927 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
6928 (ix86_tls_module_base): New.
6929 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
6930 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
6931 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
6932 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
6933 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
6934 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
6935 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
6936 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
6937 * config/i386/predicates.md (tls_modbase_operand): New.
6938 (tp_or_register_operand): New.
6940 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
6942 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
6943 (look_for_address_of): Ditto.
6944 (ipa_init): Walk the function decls.
6945 (static_execute): Don't set readonly on FUNCTION_DECL's.
6947 2006-01-18 Roger Sayle <roger@eyesopen.com>
6949 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
6950 for shifts where the source and destination registers are different.
6952 2006-01-18 Paul Brook <paul@codesourcery.com>
6954 Merge from csl-arm-branch.
6955 2005-03-14 Julian Brown <julian@codesourcery.com>
6956 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
6957 (aeabi_llsl): Likewise.
6958 (ashrdi3): Likewise.
6959 (aeabi_lasr): Likewise.
6960 (lshrdi3): Likewise.
6961 (aeabi_llsr): Likewise.
6962 2005-03-10 Julian Brown <julian@codesourcery.com>
6963 * config.gcc: Disable shared libgcc for SymbianOS.
6964 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
6966 2006-01-18 DJ Delorie <dj@redhat.com>
6968 * c-pragma.c (handle_pragma_diagnostic): New.
6969 (init_pragma): Register it.
6970 * doc/extend.texi: Document it.
6972 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
6973 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
6974 (diagnostic_context): Add classify_diagnostic[].
6975 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
6976 as errors if they're overridden to DK_WARNING.
6977 (diagnostic_initialize): Initialize classify_diagnostic[].
6978 (diagnostic_set_kind_override): New.
6979 (diagnostic_report_diagnostic): Check for kind changes.
6980 * opts.c (common_handle_option): Take lang_mask. Update callers.
6982 * common.opt (Werror=): New.
6983 * doc/invoke.texi: Document -Werror=*
6985 2006-01-18 Jeff Law <law@redhat.com>
6987 * tree-vrp.c (test_for_singularity): Correct test for new
6988 min limit. Use operand_equal_p rather than pointer equality
6989 for testing if new min/max values are equal.
6991 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
6992 using range information until after propagation and folding.
6994 2006-01-18 Richard Henderson <rth@redhat.com>
6995 Aldy Hernandez <aldyh@redhat.com>
6996 Jakub Jelinek <jakub@redhat.com>
6997 Diego Novillo <dnovillo@redhat.com>
6999 * omp-low.c: New file.
7000 * c-omp.c: New file.
7002 2006-01-18 Richard Henderson <rth@redhat.com>
7003 Jakub Jelinek <jakub@redhat.com>
7004 Diego Novillo <dnovillo@redhat.com>
7006 * doc/invoke.texi: Document -fopenmp.
7007 * tree-dump.h (debug_function): Declare.
7008 * hooks.c (hook_bool_tree_bool_false): New function.
7009 (hook_tree_tree_null): Remove.
7010 (hook_tree_tree_tree_null): New.
7011 * hooks.h: Update to match.
7012 * tree-pretty-print.c (debug_tree_chain): New.
7013 (print_generic_expr): Handle TDF_CHAIN.
7014 (dump_generic_node): Handle BLOCK.
7015 Do not abort with incomplete SWITCH_EXPRs.
7016 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7017 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7018 print space after directive name.
7019 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7020 Handle OMP_MASTER and OMP_ORDERED.
7021 Handle printing of OMP_BODY just in one place, goto
7022 dump_omp_body in the rest of OMP_* nodes that have
7024 Don't handle clause nodes here. Update omp statements to
7025 use dump_omp_clauses.
7026 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7027 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7028 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7029 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7030 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7031 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7032 Adjust output for GOMP_PARALLEL.
7033 (dump_omp_clauses): New.
7034 (print_declaration): Dump DECL_VALUE_EXPR.
7035 (op_symbol_1): Split out of op_symbol.
7036 (dumping_stmts): Remove. Update all users.
7037 * cgraph.c (cgraph_analyze_queue): New.
7038 (cgraph_add_new_function): New.
7039 * cgraph.h (cgraph_analyze_queue): Declare.
7040 (cgraph_add_new_function): Declare.
7041 (cgraph_lower_function): Remove.
7042 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7043 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7044 and TYPE_P nodes in its default clause.
7045 (empty_body_p): New.
7046 (tree_range_check_failed): New.
7048 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7049 OMP_CLAUSE_REDUCTION_MERGE,
7050 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7051 OMP_CLAUSE_PRIVATE_DEBUG,
7052 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7053 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7054 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7055 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7056 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7057 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7058 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7059 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7060 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7061 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7062 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7063 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7064 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7065 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7066 (TREE_RANGE_CHECK): New.
7067 (empty_body_p): Declare.
7068 (enum omp_clause_default_kind): New.
7069 (build_string_literal): Declare.
7070 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7071 (build5_stat, build5): Declare.
7072 * tree-pass.h (TDF_CHAIN): Define.
7073 * tree-pass.h (PROP_gimple_lomp): Define.
7074 (pass_lower_omp): Declare.
7075 * diagnostic.h (debug_tree_chain): Declare.
7076 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7078 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7079 * builtins.c (build_string_literal): Make extern.
7080 * gcc.c (include_spec_function): New.
7081 (static_spec_functions): Add it.
7082 (main): Move load of libgomp.spec ...
7083 (LINK_COMMAND_SPEC): ... here.
7084 (link_gomp_spec): New.
7085 (static_specs): Include it.
7086 (LINK_COMMAND_SPEC): Add link_gomp.
7087 (GOMP_SELF_SPECS): New.
7088 (driver_self_specs): Include it.
7089 (switch_matches): Don't mark inline.
7090 (main): Load libgomp.spec.
7091 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7092 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7093 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7094 * tree-gimple.h (enum omp_parallel): Declare.
7095 (determine_parallel_type): Declare.
7096 (omp_firstprivatize_variable): Declare.
7097 (omp_reduction_init): Declare.
7098 (diagnose_omp_structured_block_errors): Declare.
7099 (struct walk_stmt_info): Add want_return_expr.
7100 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7101 (find_omp_clause): Declare.
7102 (insert_field_into_struct): Declare.
7103 (struct walk_stmt_info): Move from tree-nested.c
7104 (walk_stmts): Declare.
7105 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7107 * cgraphunit.c (cgraph_lower_function): Make static.
7108 (cgraph_finalize_pending_functions): New.
7109 (cgraph_finalize_function): Call it.
7110 (cgraph_finalize_compilation_unit): Likewise.
7111 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7112 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7113 (BT_FN_UINT_UINT): New.
7114 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7115 DEF_FUNCTION_TYPE_VAR_4): Document.
7116 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7117 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7118 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7119 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7120 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7121 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7122 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7123 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7124 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7125 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7126 into separate files.
7127 (DEF_GOMP_BUILTIN): New.
7128 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7129 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7130 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7131 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7132 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7133 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7134 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7135 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7136 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7137 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7138 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7139 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7140 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7141 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7142 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7143 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7144 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7145 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7146 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7147 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7148 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7149 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7150 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7151 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7152 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7153 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7154 * sync-builtins.def: New file, moved from builtins.def.
7155 * omp-builtins.def: New file, moved from builtins.def.
7156 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7157 * gimple-low.c (lower_function_body): Clear data.
7158 (lower_stmt): Do not handle COMPOUND_EXPR.
7159 Remove call to print_node_brief.
7160 * c-tree.h (c_finish_omp_clauses): New prototype.
7161 (C_DECL_THREADPRIVATE_P): Define.
7162 (lookup_name_no_remap, c_omp_remap_private): Remove
7163 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7164 (check_for_loop_decls): Update decl.
7165 (lookup_name_no_remap, c_omp_remap_private): Declare.
7166 (build_indirect_ref, build_modify_expr, pushdecl,
7167 pushdecl_top_level): Move to c-common.h.
7168 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7169 before the switch, but just in the 2 places that need it.
7170 * c-decl.c (diagnose_mismatched_decls): Do not check for
7171 mismatched thread-local attributes when OLDDECL is marked
7172 threadprivate and NEWDECL has no thread-local attributes.
7173 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7174 (c_gimple_diagnostics_recursively): Rename from
7175 c_warn_unused_result_recursively. Invoke
7176 diagnose_omp_structured_block_errors.
7177 (check_for_loop_decls): Return a singular decl found.
7178 * langhooks.c (lhd_omp_predetermined_sharing): Return
7179 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7180 (lhd_omp_firstprivatize_type_sizes): New.
7181 (lhd_omp_assignment): New.
7182 (lhd_omp_predetermined_sharing): New.
7183 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7184 (struct lang_hooks_for_types): Add
7185 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7186 omp_predetermined_sharing, omp_disregard_value_expr,
7187 omp_private_debug_clause, omp_clause_default_ctor,
7188 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7189 (c_finish_omp_clauses): New.
7190 (c_finish_bc_stmt): Diagnose break within omp for.
7191 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7192 (build_unary_op): Return error_mark after reporting
7194 (build_modify_expr): Likewise.
7195 * gimplify.c: Include optabs.h and pointer-set.h.
7196 (enum gimplify_omp_var_data): Declare.
7197 (struct gimplify_omp_ctx): Declare.
7198 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7200 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7201 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7202 (splay_tree_compare_decl_uid): New.
7203 (new_omp_context): New.
7204 (delete_omp_context): New.
7205 (gimple_add_tmp_var): Call omp_add_variable.
7206 (gimplify_bind_expr): Likewise.
7207 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7208 true, disregard DECL_VALUE_EXPR on the decl if any.
7209 (gimplify_expr_in_ctx): New.
7210 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7211 omp_add_variable, omp_notice_variable, omp_is_private
7212 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7213 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7214 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7215 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7216 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7217 gimplify_omp_atomic): New.
7218 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7219 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7220 OMP_CRITICAL and OMP_ATOMIC.
7221 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7222 * c-pragma.h (enum pragma_kind): Add
7223 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7224 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7225 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7226 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7227 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7228 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7229 PRAGMA_OMP_THREADPRIVATE.
7230 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7231 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7232 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7233 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7234 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7235 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7236 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7237 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7238 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7239 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7240 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7241 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7242 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7244 (struct nesting_info): Add field_map,
7245 suppress_expansion, debug_var_chain.
7246 (create_nesting_tree): Initialize them.
7247 (lookup_field_for_decl): Use field_map.
7248 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7249 (convert_local_omp_clauses): New.
7250 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7251 (walk_body): Split out of walk_function.
7252 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7253 (convert_nonlocal_reference): Handle omp statements.
7254 (convert_local_reference): Likewise.
7255 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7256 (unnest_nesting_tree): New.
7257 (lower_nested_functions): Call it.
7258 (insert_field_into_struct): Make extern.
7259 (struct walk_stmt_info): Move to tree-gimple.h.
7260 (walk_stmts): Make extern.
7261 * omp-builtins.def: New file.
7262 * tree-iterator.c (expr_only): Clarify comment.
7263 * c-common.h (pushdecl_top_level, pushdecl,
7264 build_modify_expr, build_indirect_ref,
7265 c_finish_omp_master, c_finish_omp_critical,
7266 c_finish_omp_ordered, c_finish_omp_barrier,
7267 c_finish_omp_atomic, c_finish_omp_flush,
7268 c_finish_omp_for, c_split_parallel_clauses,
7269 omp_clause_default_kind, c_omp_sharing_predetermined,
7270 c_omp_remap_decl): Declare.
7271 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7272 (OBJS-common): Add omp-low.o.
7273 (c-omp.o, omp-low.o): Add.
7274 (gimplify.o): Add dependency on $(OPTABS_H).
7275 (GTFILES): Add omp-low.c.
7276 (gt-stringpool.h): Add.
7277 * tree-cfg.c (set_bb_for_stmt): Do not update the
7278 block-to-labels map if we are currently expanding to RTL.
7279 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7281 Handle IDENTIFIER_NODE.
7282 (tree_verify_flow_info): Do not ICE when emitting error
7283 messages about invalid labels.
7284 (dump_function_to_file): Reset CFUN before emitting the body
7286 (debug_function): New.
7287 * passes.c (init_optimization_passes): Schedule
7289 * langhooks-def.h (lhd_omp_predetermined_sharing,
7290 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7292 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7293 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7294 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7295 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7296 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7297 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7298 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7299 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7300 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7301 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7302 (LANG_HOOK_DECLS): Use them.
7304 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7305 Richard Henderson <rth@redhat.com>
7306 Jakub Jelinek <jakub@redhat.com>
7307 Diego Novillo <dnovillo@redhat.com>
7309 * c-parser.c (pragma_omp_clause): Define.
7310 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7311 (c_parser_compound_statement): Likewise.
7312 (c_parser_statement): Likewise.
7313 (c_parser_pragma): Handle omp pragmas.
7314 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7315 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7316 (c_parser_omp_clause_name, check_no_duplicate_clause,
7317 c_parser_omp_variable_list,
7318 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7319 c_parser_omp_clause_copyprivate,
7320 c_parser_omp_clause_default,
7321 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7322 c_parser_omp_clause_lastprivate,
7323 c_parser_omp_clause_nowait,
7324 c_parser_omp_clause_num_threads,
7325 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7326 c_parser_omp_clause_reduction,
7327 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7328 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7329 c_parser_omp_atomic, c_parser_omp_barrier,
7330 c_parser_omp_critical, c_parser_omp_flush,
7331 c_parser_omp_for_loop, c_parser_omp_for,
7332 c_parser_omp_master, c_parser_omp_ordered,
7333 c_parser_omp_sections_scope, c_parser_omp_sections,
7334 c_parser_omp_parallel, c_parser_omp_single,
7335 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7336 * c-pragma.c (init_pragma): Do omp pragma registration here.
7337 * c.opt (fopenmp): New flag.
7339 2006-01-18 Eric Christopher <echristo@apple.com>
7341 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7342 * config/darwin.h (GOMP_SELF_SPECS): Define.
7344 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7346 * rtl.h: Remove the prototype for reg_alloc.
7348 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7351 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7352 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7353 sjlj and dwarf2 exception handling.
7354 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7355 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7356 * pa/pa.c (function_value): Treat complex and vector types as
7358 (function_arg): Likewise. Only pass scalar floats in the floating
7359 point argument registers.
7360 * pa/t-slibgcc-dwarf-ver: New file.
7361 * pa/t-slibgcc-sjlj-ver: New file.
7362 * pa/t-slibgcc-elf-ver: Delete file.
7364 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7366 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7367 unlikely_test_section_p test.
7369 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7371 * mode-switching.c (optimize_mode_switching): Make it static.
7372 * basic-block.h: Remove the prototype for
7373 optimize_mode_switching.
7375 * modulo-sched.c (sms_schedule): Make it static.
7376 * rtl.h: Remove the prototype for sms_schedule.
7378 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7379 * rtl.h: Remove the prototype for gcse_after_reload_main.
7381 * reg-stack.c (reg_to_stack): Make it static.
7382 * rtl.h: Remove the prototype for reg_to_stack.
7384 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7386 * rtl.h: Remove the prototypes for regrename_optimize and
7387 copyprop_hardreg_forward.
7389 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7391 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7392 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7393 Test against the appropriate null constant for the mode.
7394 If 'fixup_overlap' is true, swap the operands if they overlap.
7395 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7396 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7397 alpha_split_tmode_pair and adjust for above change.
7398 * config/alpha/alpha.md (movtf_internal): Adjust call to
7399 alpha_split_tfmode_pair and rely on it to swap the operands.
7400 (movti_internal): New insn and post-reload splitter.
7401 (movti): New expander.
7403 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7405 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7408 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7410 * rtlanal.c (global_reg_mentioned_p_1,
7411 global_reg_mentioned_p): Remove.
7412 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7414 * flow.c (initialize_uninitialized_subregs): Make it static.
7415 * rtl.h: Remove the prototype for
7416 initialize_uninitialized_subregs.
7418 * function.c (instantiate_virtual_regs): Make it static.
7419 * function.h: Remove the prototype for
7420 instantiate_virtual_regs.
7422 * regmove.c (regmove_optimize, combine_stack_adjustments):
7424 * rtl.h: Remove the prototypes for regmove_optimize and
7425 combine_stack_adjustments.
7427 2006-01-17 Roger Sayle <roger@eyesopen.com>
7429 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7430 (size_cost): Encode costs in bytes so that a reg-reg addition is
7431 equivalent to COSTS_N_INSNS(1).
7432 (override_options): Use the size_cost.branch_cost as the default
7433 ix86_branch_cost when optimizing for size.
7435 2006-01-18 Ben Elliston <bje@au.ibm.com>
7437 * Makefile.in (D32PBIT_FUNCS): New.
7438 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7439 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7440 D64PBIT_FUNCS and D128PBIT_FUNCS.
7441 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7442 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7444 (decnumber_dep): Define.
7445 * doc/libgcc.texi (Decimal float library routines): New node.
7446 * config/dfp-bit.h, config/dfp-bit.c: New files.
7448 2006-01-18 Ben Elliston <bje@au.ibm.com>
7450 * expr.c (emit_move_change_mode): Always adjust addresses, not
7451 just during reload. Copy replacements only during reload.
7452 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
7453 emit_move_via_integer.
7455 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
7457 * Makefile.in (check-%, check-consistency): Use $${srcdir}
7458 instead of $(srcdir) and ${srcdir}.
7460 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
7464 * arm.h (struct machine_function): Add pic_reg.
7465 * arm.c (arm_pic_register): Make unsigned.
7466 (arm_override_options): Only set arm_pic_register if
7467 TARGET_SINGLE_PIC_BASE.
7468 (use_return_insn): Only test for a pic register if it is fixed.
7469 (arm_compute_save_reg0_reg12_mask): Likewise.
7470 (thumb_compute_save_reg_mask): Likewise.
7471 (legitimate_pic_operand): Factor out some known invariants.
7472 (legitimize_pic_address): If we don't have a fixed pic register,
7473 then set up a pseudo in the function entry sequence. Handle the
7474 pic base being in a pseudo.
7475 (arm_load_pic_register): Handle the pic register being in a pseudo.
7476 (arm_expand_prologue): Only set up the pic register if it is fixed.
7477 (thumb_expand_prologue): Likewise.
7478 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
7479 (pic_load_addr_based_insn): Likewise.
7480 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
7483 2006-01-18 Ben Elliston <bje@au.ibm.com>
7485 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
7486 decimal float modes for all floating point registers.
7488 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
7489 match_code "mem" with match_test "macho_lo_sum_memory_operand".
7491 2006-01-17 Jakub Jelinek <jakub@redhat.com>
7494 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
7495 even when the pointer is not NULL.
7497 2006-01-16 Ian Lance Taylor <ian@airs.com>
7499 * common.opt (ftoplevel-reorder): New option.
7500 * cgraph.c (cgraph_asm_nodes): New global variable.
7501 (cgraph_asm_last_node): New static variable.
7502 (cgraph_order): New global variable.
7503 (cgraph_create_node): Set new order field.
7504 (cgraph_varpool_node): Likewise.
7505 (decide_is_variable_needed): Return true if not
7506 flag_toplevel_reorder.
7507 (cgraph_add_asm_node): New function.
7508 * cgraph.h (struct cgraph_node): Add order field.
7509 (struct cgraph_varpool_node): Add order field.
7510 (struct cgraph_asm_node): Define.
7511 (cgraph_asm_nodes, cgraph_order): Declare.
7512 (cgraph_add_asm_node): Declare.
7513 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
7515 (cgraph_varpool_assemble_pending_decls): Call it.
7516 (cgraph_output_pending_asms): New static function.
7517 (cgraph_finalize_compilation_unit): Call it.
7518 (struct cgraph_order_sort): Define.
7519 (cgraph_output_in_order): New static function.
7520 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
7521 !flag_toplevel_reorder case.
7522 * c-parser.c: Include "cgraph.h".
7523 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
7525 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
7526 than -fno-unit-at-a-time.
7527 * doc/invoke.texi (Option Summary): Mention
7528 -fno-toplevel-reorder.
7529 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
7530 -funit-at-a-time documentation.
7532 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
7533 Kazu Hirata <kazu@codesourcery.com>
7535 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
7537 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
7539 * Makefile.in (FUNCTION_H): New. Use it instead of
7540 function.h throughout the file.
7541 * function.h: Include tree.h.
7543 2006-01-17 Ben Elliston <bje@au.ibm.com>
7545 * recog.c: Separate some functions with whitespace.
7547 2006-01-16 Richard Henderson <rth@redhat.com>
7549 Merge from gomp branch:
7550 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
7551 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
7552 and rename from struct inline_data. Rename callee* to dst*;
7553 caller* to src*; add copy_decl hook, transform_call_graph_edges,
7554 transform_new_cfg, transform_return_to_modify, and
7555 transform_lang_insert_block flags; remove cloning_p, versioning_p,
7557 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
7558 (copy_decl_for_dup): Remove.
7559 * tree-inline.c (struct inline_data): Move to header.
7560 (insert_decl_map): Export.
7561 (remap_decl): Update for member name changes. Use copy_decl hook.
7562 Allow for replacement to be a non-decl. Remove dead code.
7563 (remap_type_1): Check for existing mapping.
7564 (remap_type): Export.
7565 (remap_decls): Update for member name changes.
7566 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
7567 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
7568 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
7569 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
7570 (tree_function_versioning, build_duplicate_type): Likewise.
7571 (copy_body_r): Likewise. Export.
7572 (copy_decl_for_dup): Split into ...
7573 (copy_decl_for_dup_finish, copy_decl_to_var,
7574 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
7575 (replace_ref_tree, inlining_p): Remove.
7577 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7579 * ifcvt.c (if_convert): Make it static.
7580 * rtl.h: Remove the prototype for if_convert.
7582 * local-alloc.c (local_alloc): Make it static.
7583 * rtl.h: Remove the prototype for local_alloc.
7585 * loop.c (loop_optimize): Make it static.
7586 * cfgloop.h: Remove the prototype for loop_optimize.
7589 2006-01-16 DJ Delorie <dj@redhat.com>
7591 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
7594 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7596 * pa.md: Disparage copies between general and floating-point registers
7597 in 32-bit move patterns.
7599 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
7602 * Makefile.in (check-%): Depend on site.exp instead of
7603 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
7606 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7608 * global.c (global_alloc): Make it static.
7609 * rtl.h: Remove the prototype for global_alloc.
7611 2006-01-16 Richard Guenther <rguenther@suse.de>
7613 * tree-ssa-alias.c (struct used_part): Add write_only field.
7614 (get_or_create_used_part_for): Initialize it to true.
7615 (create_overlap_variables_for): Don't create structure variables
7616 for structures that only are written to.
7617 (find_used_portions): Handle MODIFY_EXPR to track whether a
7618 structure is only written to.
7620 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7622 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
7624 * basic-block.h: Remove the prototype for
7625 partition_hot_cold_basic_blocks.
7627 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
7629 * cppspec.c (lang_specific_spec_functions): Remove.
7630 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
7631 * gcc.h (lang_specific_spec_functions): Remove.
7632 * gccspec.c (lang_specific_spec_functions): Remove.
7634 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
7636 * combine.c (record_value_for_reg): Invalidate registers
7638 (record_dead_and_set_regs_1): Likewise, by passing them to
7639 record_value_for_reg.
7640 (record_dead_and_set_regs): Invalidate stores made by a
7641 call. We do not combine across a call, but we still
7642 relied on equivalences.
7644 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7646 * tree-vrp.c (extract_range_from_binary_expr): Cope with
7647 vrp_int_const_binop returning non-constant nodes.
7649 2006-01-16 Paul Brook <paul@codesourcery.com>
7651 * config/m68k/m68k.c (output_move_const_into_data_reg):
7652 Output correct mnemonic for mvz and mvs.
7654 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
7656 * rtl-factoring.c: Add sequence abstraction algorithm.
7657 * cfgcleanup.c (outgoing_edges_match): Extra checks.
7658 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
7660 (block_has_preserve_label): New function.
7661 * common.opt: Register new pass.
7662 * Makefile.in: Ditto.
7664 * timevar.def: Ditto.
7665 * tree-pass.h: Ditto.
7666 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
7667 * rtl.h (make_jump_insn_raw): Add forward decl.
7668 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
7670 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7671 Roger Sayle <roger@eyesopen.com>
7673 * fold-const.c (fold_minmax): New static function.
7674 (fold_binary) <MIN_EXPR>: Call it.
7675 <MAX_EXPR>: Likewise.
7676 * stor-layout.c (place_field): Use DECL_SIZE consistently
7677 in the computation of the new record size.
7679 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7681 * cse.c (cse_condition_code_reg): Make it static.
7682 * rtl.h: Remove the prototype for cse_condition_code_reg.
7684 * combine.c (combine_instructions): Make it static.
7685 * rtl.h: Remove the prototype for combine_instructions.
7687 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7690 * tree.c (get_file_function_name_long): Concatenate the first global
7691 object name with a string derived from the input filename of the object
7694 2006-01-16 Ben Elliston <bje@au.ibm.com>
7696 * config/i386/winnt-stubs.c: Update FSF address.
7697 * config/xtensa/ieee754-df.S: Ditto.
7698 * config/xtensa/ieee754-sf.S: Ditto.
7700 2006-01-14 Ian Lance Taylor <ian@airs.com>
7702 * ifcvt.c (noce_init_if_info): New static function, broken out of
7703 noce_process_if_block.
7704 (noce_process_if_block): Call noce_init_if_info.
7705 (check_cond_move_block): New static function.
7706 (cond_move_process_if_block): New static function.
7707 (process_if_block): Call cond_move_process_if_block.
7709 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
7711 * cselib.c (hash_table): Rename to cselib_hash_table.
7712 (cselib_clear_table, discard_useless_values,
7713 remove_useless_values, cselib_lookup_mem, cselib_lookup,
7714 cselib_init, cselib_finish): Adjust uses of hash_table.
7716 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
7718 PR tree-optimization/25485
7719 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
7720 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
7721 is known to be false and true, respectively.
7723 2006-01-14 Richard Guenther <rguenther@suse.de>
7725 PR tree-optimization/22548
7726 PR tree-optimization/22555
7727 PR tree-optimization/22501
7728 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
7729 * params.def (salias-max-array-elements): New parameter.
7730 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
7731 * doc/invoke.texi (salias-max-array-elements): Document.
7732 * tree-flow-inline.h (var_can_have_subvars): We also handle
7734 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
7736 * tree-ssa-structalias.c (params.h): Include.
7737 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
7738 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
7739 (get_constraint_for): For ADDR_EXPR operating on something
7740 containing an ARRAY_REF, add all subvars to the solution.
7741 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
7742 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
7743 for creating MUST_DEFs.
7744 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
7746 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7748 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
7750 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
7751 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7752 number_of_iterations_le): New functions.
7753 (number_of_iterations_special): Removed.
7754 (number_of_iterations_exit): Do not use number_of_iterations_special.
7755 * tree.c (unsigned_type_for): Always return integer type.
7757 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
7758 Richard Guenther <rguenther@suse.de>
7760 PR rtl-optimization/24257
7761 * gcse.c (find_moveable_store): Only consider a store movable
7762 when the SET_SRC of the insn can be assigned to a register.
7764 2006-01-14 Ian Lance Taylor <ian@airs.com>
7766 * tree.c (tree_not_class_check_failed): New function.
7767 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
7768 (tree_not_class_check_failed): Declare.
7770 2006-01-13 Ian Lance Taylor <ian@airs.com>
7772 * reload1.c (do_output_reload): Add assertion rejecting a
7775 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
7777 * combine.c (struct reg_stat): Add new fields truncation_label and
7779 (record_value_for_reg): Reset truncated_to_mode.
7780 (record_truncated_value): New function.
7781 (check_promoted_subreg): Call it. Rename to check_conversions.
7782 (combine_instructions): Rename check_promoted_subreg to
7784 (reg_truncated_to_mode): New function.
7785 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
7786 (gen_lowpart_or_truncate): New function.
7787 (force_to_mode): Use it instead of gen_lowpart.
7789 2006-01-13 Diego Novillo <dnovillo@redhat.com>
7791 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
7792 VAR is a tag, not its type tag.
7794 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
7796 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
7797 alternatives to match style of other entries.
7798 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
7800 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
7802 PR tree-optimization/25771
7803 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
7806 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
7809 * tree-inline.c (declare_return_variable): If the return variable
7810 was marked as a non gimple complex, set the return slot variable
7811 to be a non gimple comple variable.
7813 2006-01-13 Richard Guenther <rguenther@suse.de>
7815 * builtins.c (expand_builtin_sincos): New function.
7816 (expand_builtin_mathfn_3): Remove dead code, sin and cos
7818 (expand_builtin): Expand sincos using expand_builtin_sincos.
7820 2006-01-12 DJ Delorie <dj@redhat.com>
7822 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
7823 shift counts, separate SI shifts for m32c vs m16c, pass shift type
7824 so that constant shifts can be split.
7825 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
7826 (m32c_valid_pointer_mode): Make static.
7827 (shift_gen_func_for): New.
7828 (m32c_prepare_shift): Use it. Split large const shifts into
7830 * config/m32c/predicates.md (shiftcount_operand): Allow more
7832 (longshiftcount_operand): New.
7833 * doc/md.texi (Machine Constraints): Document In6.
7835 2006-01-13 Ben Elliston <bje@au.ibm.com>
7837 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
7838 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
7841 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
7843 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
7844 to try to avoid clobbering pieces of structures when we know
7845 something about the whole structure.
7846 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
7848 2006-01-13 Ben Elliston <bje@au.ibm.com>
7850 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
7851 return in memory, as this is no limitation is no longer present.
7853 2006-01-12 DJ Delorie <dj@redhat.com>
7855 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
7856 mova with fb, and for fb+0 -> An.
7858 * config/m32c/mov.md (peephole2): Fix enabling logic.
7860 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7861 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
7862 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
7863 FINI_ARRAY_SECTION_ASM_OP): Define.
7865 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
7867 (m32c_legitimize_reload_address): New logic to reload FB to An.
7868 (m32c_output_reg_push): Add newline.
7869 (m32c_output_reg_pop): Likewise.
7871 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
7873 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
7875 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
7877 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7879 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7881 * config/sh/predicates.md (sh_rep_vec): Add parallel to
7884 2006-01-11 Ben Elliston <bje@au.ibm.com>
7886 * rtlanal.c (find_reg_note): Assert insn is not null.
7888 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7890 * df-scan.c (df_hard_reg_init): Move declaration of i outside
7893 2006-01-11 Jeff Law <law@redhat.com>
7895 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
7897 (mark_threaded_blocks, register_jump_thread): New functions.
7898 (thread_through_all_blocks): Remove unwanted argument. No
7899 longer rely on e->aux to communicate thread target info.
7900 Call mark_threaded_blocks. Release the threaded_blocks
7901 bitmap and threaded_edges vector when complete.
7902 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
7903 (threaded_blocks): Remove.
7904 (tree_ssa_dominator_optimize): Remove initialization and
7905 finalization of threaded_blocks. Simplify call to
7906 thread_through_all_blocks.
7907 (thread_across_edge): Call register_jump_thread rather than
7908 storing thread information into e->aux.
7909 (free_all_edge_infos): Simplify now that e->aux is no longer
7910 used to communicate with thread_through_all_blocks.
7911 * tree-flow.h (thread_through_all_blocks): Update prototype.
7912 (register_jump_thread): Prototype.
7914 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7916 * df-core.c (df_compact_blocks, df_bb_replace): Use
7917 SET_BASIC_BLOCK instead of BASIC_BLOCK.
7919 2006-01-11 Richard Guenther <rguenther@suse.de>
7921 PR tree-optimization/25734
7922 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
7923 stop propagation after successful propagation to the LHS.
7925 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7927 * basic-block.h (control_flow_graph): Change the type of
7928 x_basic_block_info to VEC(basic_block,gc) *.
7929 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
7931 (SET_BASIC_BLOCK): New.
7932 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
7933 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
7934 * cfgbuild.c (find_basic_blocks): Likewise.
7935 * cfglayout.c (fixup_reorder_chain): Likewise.
7936 * cfgrtl.c (create_basic_block_structure,
7937 rtl_create_basic_block): Likewise.
7938 * ifcvt.c (find_if_case_1): Likewise.
7939 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
7942 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7944 * Makefile.in: Removed rotted odf.c entry.
7946 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
7949 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
7950 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
7951 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
7952 output pattern modifier, not %e.
7953 * config/cris/cris.c (cris_op_str): Update comment about pattern
7955 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
7956 before falling through into...
7957 <case 'E'>: Redefined from old 'e' case.
7959 2006-01-11 Jan Hubicka <jh@suse.cz>
7962 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
7964 2006-01-11 Jan Hubicka <jh@suse.cz>
7966 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
7967 * i386.c (x86_decompose_lea): Kill.
7968 (ix86_rtx_costs): Kill.
7970 2006-01-11 Jan Hubicka <jh@suse.cz>
7972 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
7973 * cgraph.h (cgraph_node): Add inline_decl.
7974 (cgraph_insert_node_to_hashtable): Declare.
7975 (save_inline_function_body): Declare.
7976 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
7978 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
7979 (cgraph_function_versioning): Update call of tree_function_versioning.
7980 (save_inline_function_body): New function.
7981 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
7982 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
7983 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
7984 (cgraph_default_inline_p): Likewise.
7985 (cgraph_decide_inlining_incrementally): Likewise.
7986 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
7987 (copy_bb): Kill saving; do updating of clones.
7988 (copy_cfg_body): Kill saving.
7989 (initialize_inlined-parameters): Likewise.
7990 (expand_call_inline): Likewise.
7992 (tree_function_versioning): New parameter "update_clones".
7993 (inlining_p): Kill saving.
7994 * tree-inline.h (tree_function_versioning): Update prototype.
7995 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
7998 2006-01-11 Ian Lance Taylor <ian@airs.com>
8000 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8001 Allow undoing set of machine mode.
8002 (do_SUBST): Use enums instead of is_int.
8003 (do_SUBST_MODE): New function.
8004 (SUBST_MODE): New macro.
8005 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8006 reg and trying to replace reg_regno_rtx with a new register.
8007 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8008 (simplify_set): Use SUBST_MODE.
8009 (distribute_notes): Remove code that tried to update reg notes
8010 for regno_reg_rtx changes.
8012 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8014 PR tree-optimization/23109
8015 PR tree-optimization/23948
8016 PR tree-optimization/24123
8018 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8019 * tree-cfg.c (single_noncomplex_succ): New.
8020 * tree-flow.h (single_noncomplex_succ): Declare it.
8021 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8022 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8023 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8024 insert_bb, register_division_in, insert_reciprocals,
8025 replace_reciprocal, free_bb): New.
8026 (execute_cse_reciprocals_1): Rewritten.
8027 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8028 Do not commit any edge insertion. Always compute dominators and
8029 create the allocation pool.
8030 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8031 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8032 * targhooks.c (default_min_divistions_for_recip_mul): New.
8033 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8034 * passes.c (init_optimization_passes): Run recip after tree loop
8036 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8038 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8039 Kenneth Zadeck <zadeck@naturalbridge.com>
8041 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8042 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8043 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8044 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8045 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8046 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8047 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8048 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8049 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8050 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8051 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8052 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8053 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8054 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8055 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8056 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8057 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8058 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8059 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8060 DF_SCAN_POST_ALLOC): New macros.
8061 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8062 df_free_bb_function, df_local_compute_function, df_init_function,
8063 df_dataflow_function, df_confluence_function_0,
8064 df_confluence_function_n, df_transfer_function,
8065 df_finalizer_function, df_free_function, df_dump_problem_function,
8066 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8067 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8068 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8069 df_urec_bb_info, ) New types.
8070 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8072 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8073 df_analyze_simple_change_some_blocks,
8074 df_analyze_simple_change_one_block, df_compact_blocks,
8075 df_bb_replace, df_bb_regno_last_use_find,
8076 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8077 df_insn_regno_def_p, df_find_def, df_find_use,
8078 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8079 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8080 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8081 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8082 debug_df_chain, df_get_dependent_problem, df_chain_create,
8083 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8084 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8085 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8086 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8087 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8088 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8089 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8090 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8091 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8092 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8093 df_reorganize_refs, df_set_state, df_hard_reg_init,
8094 df_read_modify_subreg_p) New public functions.
8095 * df-core.c: The core dataflow solver and glue routines for rtl
8097 (df_init, df_add_problem, df_set_blocks, df_finish,
8098 df_hybrid_search_forward, df_hybrid_search_backward,
8099 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8100 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8101 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8102 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8103 df_reg_defined, df_find_use, df_reg_used, df_dump,
8104 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8105 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8106 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8107 debug_df_useno, reset_df_after_reload): New functions.
8108 * df-scan.c: The scanning fuctions, once in df.c, completely
8109 rewritten so that they now fully model the functionality of
8110 register usage at the backend.
8111 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8112 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8113 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8114 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8115 df_get_artificial_defs, df_get_artificial_uses,
8116 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8117 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8118 df_refs_delete, df_reorganize_refs, df_set_state,
8119 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8120 df_def_record_1, df_defs_record, df_uses_record,
8121 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8122 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8123 df_record_exit_block_uses, df_hard_reg_init): New functions.
8125 * df-problems.c: Seven concrete dataflow problems that use the
8126 scanning in df-scan.c and are solved by the engine in df-core.c.
8127 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8128 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8129 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8130 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8131 df_ru_free_bb_info, df_ru_alloc,
8132 df_ru_bb_local_compute_process_def,
8133 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8134 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8135 df_ru_transfer_function, df_ru_free, df_ru_dump,
8136 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8137 df_rd_free_bb_info, df_rd_alloc,
8138 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8139 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8140 df_rd_transfer_function, df_rd_free, df_rd_dump,
8141 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8142 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8143 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8144 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8145 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8146 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8147 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8148 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8149 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8150 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8151 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8152 df_urec_mark_reg_use_for_earlyclobber,
8153 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8154 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8155 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8156 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8157 df_chain_create_bb_process_use, df_chain_create_bb,
8158 df_chain_finalize, df_chain_free, df_chains_dump,
8159 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8160 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8161 df_reg_lifetime): New functions.
8162 * df.c: Deleted file.
8163 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8164 consistent with new df api.
8165 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8166 rest_of_handle_sms): Ditto.
8167 * web.c (unionfind_union, union_defs, entry_register, web_main):
8169 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8170 invariant_expr_equal_p, find_defs, check_dependencies,
8171 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8172 free_inv_motion_data, move_loop_invariants): Ditto.
8173 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8174 Update dependencies.
8175 (odf.c): Added defective entry that was deleted later in day.
8176 * sched-deps.c (sched_analyze_1): Ditto.
8178 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8180 * tree-ssa-operands.c (get_expr_operands): Record addressable
8181 variables directly. Do not call add_stmt_operands for CONST_DECLs
8183 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8184 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8186 2006-01-11 Ben Elliston <bje@au.ibm.com>
8188 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8189 function returns true in the positive case.
8191 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8194 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8195 for SI, DI, SF and DF modes. Add alternatives to copy between
8196 general and floating point registers to the 32-bit patterns.
8197 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8198 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8199 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8200 generating 64-bit code.
8201 * config/pa/pa.c (output_move_double): Handle copies between general
8202 and floating registers.
8204 2006-01-10 Stuart Hastings <stuart@apple.com>
8206 * config/i386/i386.md (set_got): Update.
8207 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8208 (builtin_setjmp_receiver): Mach-O support.
8209 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8210 (GOT_SYMBOL_NAME): Define.
8211 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8212 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8213 * config/i386/i386.c (override_options): Revise for Darwin.
8214 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8215 support. (darwin_x86_file_end): New. (output_set_got): Add label
8216 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8217 * config/i386/i386-protos.h (output_set_got): Likewise.
8218 * config/darwin.c (machopic_legitimize_pic_address): Update
8221 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8223 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8224 when MODE isn't BLKmode.
8226 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8228 PR rtl-optimization/25367
8229 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8231 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8234 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8235 for a negative bound.
8237 2006-01-10 Richard Guenther <rguenther@suse.de>
8239 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8240 Never override with anything constraint.
8242 2006-01-10 Jan Beulich <jbeulich@novell.com>
8244 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8245 256 bits when optimize_size.
8247 2006-01-10 Jan Beulich <jbeulich@novell.com>
8249 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8251 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8252 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8255 2006-01-10 Ben Elliston <bje@au.ibm.com>
8257 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8259 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8260 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8261 (USE_FP_FOR_ARG): Reject decimal float modes.
8262 (function_arg_advance): Likewise.
8263 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8264 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8265 point types in AltiVec vectors.
8266 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8267 (rs6000_libcall_value): Likewise.
8269 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8271 * config/xtensa/ieee754-df.S: New file.
8272 * config/xtensa/ieee754-sf.S: New file.
8273 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8274 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8275 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8277 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8279 * config/sh/predicates.md (binary_float_operator,
8280 binary_logical_operator, commutative_float_operator,
8281 equality_comparison_operator, greater_comparison_operator,
8282 less_comparison_operator, logical_operator,
8283 noncommutative_float_operator, shift_operator,
8284 symbol_ref_operand, unary_float_operator): Remove redundant
8287 2006-01-09 Jeff Law <law@redhat.com>
8289 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8290 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8291 now unused arguments. Callers updated.
8292 (eliminate_redundant_computations): Remove now unused arguments,
8294 (local_fold): Remove, no longer used.
8295 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8297 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8298 (simplify_cond): New function.
8299 (forward_propagate_into_cond): Call simplify_cond.
8301 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8303 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8304 (*vec_extractv2di_1_sse): New.
8306 2006-01-09 Ben Elliston <bje@au.ibm.com>
8308 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8310 2006-01-08 Richard Guenther <rguenther@suse.de>
8312 * tree-ssa-structalias.c (get_constraint_for): Remove
8314 (get_constraint_for_component_ref): Likewise.
8315 (do_deref): Likewise.
8316 (get_constraint_for): Likewise.
8317 (do_structure_copy): Likewise.
8318 (handle_ptr_arith): Likewise.
8319 (find_func_aliases): Likewise. Remove unused need_anyoffset
8322 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8323 Kaz Kojima <kkojima@gcc.gnu.org>
8325 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8326 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8327 (EXTRA_CONSTRAINT_C16): Remove.
8328 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8329 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8330 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8331 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8332 constants of SHmedia. Handle nested constant expressions of
8334 (andcosts): Fix the costs for SHmedia constants.
8335 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8336 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8337 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8338 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8339 (movv4hi_i, movv2si_i): Likewise.
8340 (movsi_const): Adjust the second operand of ior so to match with
8342 (movdi_const, movdi_const_32bit): Likewise.
8343 (movdi_const_16bit+1): Don't sign-extend LOW.
8344 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8346 (*double_shori): Fix the split condition. Use GEN_INT instead
8347 of get_int_mode calls. Mask lower 16-bit of the argument of
8349 (sym2GOTPLT): Remove.
8350 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8352 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8353 instead of EXTRA_CONSTRAINT_C16.
8355 2006-01-07 Ian Lance Taylor <ian@airs.com>
8356 David Edelsohn <edelsohn@gnu.org>
8358 PR rtl-optimization/25662
8359 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8360 for constant operands instead of simplify_gen_binary.
8361 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8362 after trying simplify_binary_operation
8364 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8366 * tree.c (iterative_hash_expr): Hash decls based on UID.
8368 2006-01-06 Eric Christopher <echristo@apple.com>
8370 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8371 (TARGET_UNWIND_EMIT): Fix spelling.
8372 * target.h (gcc_target): Add except_table_label.
8373 * except.c (output_function_exception_table): Use.
8374 * varasm.c (default_emit_except_table_label): New.
8375 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8377 (asm_out): Add here.
8378 * output.h (default_emit_except_table_label): Prototype.
8379 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8380 * config/darwin.c (darwin_emit_except_table_label): Define.
8381 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8383 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8385 PR tree-optimization/18527
8386 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8387 number_of_iterations_special, number_of_iterations_exit):
8388 Move base and step of an iv to a single structure. Add
8389 no_overflow flag, and use it in # of iterations analysis.
8390 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8391 folded_casts argument.
8392 (simple_iv): Pass base and step in a structure. Set no_overflow
8394 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8395 Evaluate expensiveness of computing # of iterations instead of
8396 the final expression.
8397 * tree-scalar-evolution.h (affine_iv): New structure.
8398 (simple_iv): Declaration changed.
8399 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8400 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8401 find_givs_in_stmt): Changed due to simple_iv change.
8403 2006-01-06 Jeff Law <law@redhat.com>
8406 * tree-cfg.c (bsi_replace): Rename final argument from
8407 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8408 change (stmt -> orig_stmt).
8409 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8410 (bsi_remove): Add new argument. Remove EH information
8412 (verify_eh_throw_table_statements): New function.
8413 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8415 * tree-optimize.c (execute_free_cfg_annotations): Verify
8416 the EH throw statement table after removing annotations.
8417 * except.h (verify_eh_throw_table_statements): Prototype.
8418 * tree-flow.h (bsi_remove): Update prototype.
8419 * tree-vrp.c (remove_range_assertions): Add new argument to
8421 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8422 * tree-complex.c (expand_complex_div_wide): Likewise.
8423 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8424 * tree-tailcall.c (eliminate_tailcall): Likewise.
8425 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8426 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8427 * tree-nrv.c (tree_nrv): Likewise.
8428 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8429 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8430 (combine_blocks): Likewise.
8431 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8432 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8433 (cleanup_control_flow): Likewise.
8434 (remove_forwarder_block): Likewise.
8435 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8436 * tree-sra.c (sra_replace): Likewise.
8437 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8438 (forward_propagate_single_use_vars): Likewise.
8439 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8440 * tree-inline.c (expand_call_inline): Likewise.
8441 * tree-vect-transform.c (vect_transform_loop): Likewise.
8442 * tree-outof-ssa.c (rewrite_trees): Likewise.
8443 * tree-cfg.c (make_goto_expr_edges): Likewise.
8444 (cleanup_dead_labels): Likewise.
8445 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8446 (bsi_move_before, bsi_move_after): Likewise.
8447 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
8448 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
8450 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
8453 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
8455 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
8456 on non gimple variables. Also add checks at the top for decls and
8458 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
8460 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
8461 and IMAGPART_EXPR for creating MUST_DEFs.
8462 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
8463 and NAME_MEMORY_TAG separately from the DECLs.
8465 2006-01-06 Richard Guenther <rguenther@suse.de>
8467 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
8468 annotation, if necessary.
8469 * tree-ssa-pre.c (create_expression_by_pieces): Remove
8470 redundant calls to update_stmt.
8471 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
8474 2006-01-05 Richard Henderson <rth@redhat.com>
8476 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
8478 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8480 * c-typeck.c: Update copyright date.
8482 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8484 * c-typeck.c (build_c_cast): Always warn when casting
8485 from a pointer to an integer of different size, even if
8486 the node was constant.
8488 2006-01-05 Richard Guenther <rguenther@suse.de>
8490 PR tree-optimization/22555
8491 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
8492 if one structure field is an array.
8493 * tree-ssa-operands.c (get_expr_operands): Continue scanning
8494 operands even if we found a subvar, but ignore VOPs in this
8496 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
8498 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
8500 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
8503 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
8505 2006-01-05 Richard Guenther <rguenther@suse.de>
8506 Diego Novillo <dnovillo@redhat.com>
8508 * tree-pass.h (TODO_remove_unused_locals): Define.
8509 * gimple-low.c (expand_var_p, remove_useless_vars,
8510 pass_remove_useless_vars): Remove. Update all users.
8511 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
8512 (remove_unused_locals): New function.
8513 * tree-flow.h (remove_unused_locals): Declare.
8514 * passes.c (execute_todo): Call remove_unused_locals if
8515 TODO_remove_unused_locals is set.
8516 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
8517 * tree-ssa-dce.c (pass_dce): Likewise.
8518 * tree-outof-ssa.c (pass_del_ssa): Likewise.
8520 2006-01-05 Richard Guenther <rguenther@suse.de>
8522 * tree-flow.h (struct fieldoff): Decompose field to
8523 type, size and decl.
8524 * tree-ssa-alias.c (create_sft): Take type as parameter.
8525 (create_overlap_variables_for): Store type, size and decl
8526 in the fieldoff structure.
8527 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
8529 (push_fields_onto_fieldstack): Likewise.
8530 (create_variable_info_for): Likewise. Use offset for the
8531 SFT name if the decl is not available.
8533 2006-01-04 Paul Brook <paul@codesourcery.com>
8535 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
8537 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
8539 * lambda-code.c (can_put_in_inner_loop): Relax
8541 (can_put_after_inner_loop): New function.
8542 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
8543 (perfect_nestify): Change to make copies and modify uses.
8545 2006-01-04 Richard Henderson <rth@redhat.com>
8547 Merge from gomp branch:
8548 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
8549 via integer constant.
8550 (pragma_lex): Remove.
8551 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
8552 rather than parsing it.
8553 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
8554 handle_pragma_extern_prefix): Add %< %> quotes.
8555 (registered_pragmas): New.
8556 (c_register_pragma_1): New.
8557 (c_register_pragma): Use it.
8558 (c_register_pragma_with_expansion): Likewise.
8559 (c_invoke_pragma_handler): New.
8560 (init_pragma): Use cpp_register_deferred_pragma directly for
8562 * c-pragma.h (enum pragma_kind): New.
8563 (pragma_handler): New.
8564 (c_invoke_pragma_handler): Declare.
8565 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
8567 * c-common.h (c_common_pch_pragma): Update decl.
8568 * Makefile.in (c-parser.o): Update dependencies.
8569 (GTFILES): Add c-pragma.h.
8570 * c-parser.c (struct c_token): Add pragma_kind.
8571 (struct c_parser): Add in_pragma.
8572 (c_lex_one_token): Always initialize keyword and pragma_kind.
8573 Extract data for CPP_PRAGMA.
8574 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
8575 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
8576 Don't allow CPP_PRAGMA_EOL if in_pragma.
8577 (c_parser_consume_pragma): New.
8578 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
8579 (c_parser_skip_to_end_of_parameter): Likewise.
8580 (c_parser_skip_to_end_of_block_or_statement): Likewise.
8581 (c_parser_skip_to_pragma_eol): New.
8582 (c_parser_external_declaration): Handle CPP_PRAGMA.
8583 (c_parser_compound_statement_nostart): Likewise.
8584 (c_parser_statement_after_labels): Likewise.
8585 (c_parser_pragma): New.
8586 (pragma_lex): Likewise.
8587 (c_parser_pragma_pch_preprocess): New.
8588 (c_parser_new): Merge into ...
8589 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
8591 2006-01-04 Jeff Law <law@redhat.com>
8594 * tree-cfg.c (bsi_replace): Remove the original statement
8595 from the EH throw statement table.
8597 2006-01-04 Jakub Jelinek <jakub@redhat.com>
8599 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
8600 make the prototype extern "C" and add throw ().
8603 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
8604 and pos non-negative and pos + len <= 32.
8605 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
8606 drop pos + len < HOST_BITS_PER_WIDE_INT test.
8607 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
8610 * c-common.c (handle_vector_size_attribute): Reject zero vector size
8611 as well as sizes not multiple of component size.
8614 * function.c (instantiate_expr): New function.
8615 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
8616 walk its DECL_VALUE_EXPR with instantiate_expr.
8618 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
8619 DW_OP_deref{,_size} if address isn't going to be added.
8621 2006-01-04 Ben Elliston <bje@au.ibm.com>
8623 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
8624 * config/fp-bit.c: Likewise.
8626 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
8628 * dominance.c: Add comment about why we use DFS numbering
8631 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8632 Richard Henderson <rth@redhat.com>
8634 Merge from gomp-branch:
8635 * varasm.c (assemble_variable): Handle thread-local COMMON data.
8636 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
8638 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
8640 PR rtl-optimization/25578
8641 * combine.c (combine_simplify_rtx, force_to_mode): Don't
8642 pass a parameter to simplify_shift_const if changing ASHIFTRT
8645 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
8647 * builtins.c (get_builtin_sync_mem): New function.
8648 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
8649 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
8650 Call get_builtin_sync_mem to generate mem rtx.
8652 2006-01-03 Richard Guenther <rguenther@suse.de>
8655 * stmt.c (add_case_node): Make sure to clear overflow flags
8658 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8660 Merge from gomp-branch.
8661 * config/sparc/sync.md: New file.
8662 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
8663 UNSPECV_LDSTUB): New constants.
8664 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
8665 * config/sparc/predicates.md (memory_reg_operand): New predicate.
8666 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
8669 2006-01-03 Roger Sayle <roger@eyesopen.com>
8671 * combine.c (reg_subword_p): New predicate to test whether the
8672 destination of a set refers to a subword/piece of a register.
8673 (try_combine): Generalize the code to merge the setting of a
8674 pseudo to a constant followed by a set of a subword of that
8675 register to a constant.
8677 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
8679 * basic-block.h (control_flow_graph): Change the type of
8680 x_label_to_block_map to VEC(basic_block,gc) *.
8681 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
8682 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
8684 * tree-ssa-propagate.c (cfg_blocks): Change the type to
8685 VEC(basic_block,heap) *.
8686 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
8687 ssa_prop_fini): Adjust the uses of cfg_blocks.
8689 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
8691 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
8693 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
8694 hashing trees instead of a pointer hash.
8695 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
8696 compare for MEM_EXPR.
8698 PR rtl-optimization/25130
8699 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
8700 when comparing MEMs for GCSE
8702 2006-01-03 Ben Elliston <bje@au.ibm.com>
8704 * targhooks.h (default_decimal_float_supported_p): Declare.
8705 * targhooks.c (default_decimal_float_supported_p): Define.
8706 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
8707 `default_decimal_float_supported_p'.
8708 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
8710 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
8712 * combine.c (apply_distributive_law <SUBREG>): Check
8713 TRULY_NOOP_TRUNCATION.
8715 2006-01-02 Geoffrey Keating <geoffk@apple.com>
8717 * dwarf2out.c (have_switched_text_section): Delete.
8718 (have_multiple_function_sections): New.
8719 (have_location_lists): Make 'bool'.
8720 (add_AT_loc_list): Use 'true' not '1'.
8721 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
8722 (output_loc_list): Use have_multiple_function_sections.
8723 (output_ranges): Likewise.
8724 (dwarf2out_begin_function): Set have_multiple_function_sections if
8726 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
8727 Check function_section rather than DECL_SECTION_NAME.
8728 (dwarf2out_finish): Use have_multiple_function_sections.
8729 Don't clear have_location_lists.
8731 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
8732 Jan Hubicka <jh@suse.cz>
8734 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
8735 case of conditional jump jumping to the next instruction.
8736 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
8737 cases of conditional jump jumping to the next instruction.
8739 2006-01-02 Jan Hubicka <jh@suse.cz>
8741 * i386.c (*_cost): Add COSTS_N_INSNS.
8742 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
8744 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
8747 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
8749 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8751 * config/arm/arm.c (all_fpus): Fix comment typo.
8752 * config/darwin.c: Likewise.
8753 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
8754 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
8755 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
8757 2006-01-01 David Edelsohn <edelsohn@gnu.org>
8759 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
8760 (rs6000_split_compare_and_swapqhi): New.
8761 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
8762 (sync_compare_and_swapqhi_internal): New.
8763 * config/rs6000/rs6000-protos.h: Declare.