1 2006-04-01 Roger Sayle <roger@eyesopen.com>
2 Richard Henderson <rth@redhat.com>
4 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
5 gimple_boolify on the condition before calling gimplify_expr.
7 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
10 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11 the frame size. Update to use the new macros.
12 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
13 * config/xtensa/ieee754-df.S: Likewise.
15 2006-03-31 Richard Henderson <rth@redhat.com>
17 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
18 (make_edges): ... here. Control fallthru creation with a local
19 variable. Do not play with fake edges.
20 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
21 (make_goto_expr_edges): Don't play with fake edges. Make for_call
24 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
26 * dwarf2.h (DW64_CIE_ID): Define.
27 * dwarf2out.c (DWARF_CIE_ID): Define.
28 (output_call_frame_info): Output 0xffffffff before standard 8-byte
29 length header. Use DWARF_CIE_ID.
30 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
31 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
33 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
35 * config/sh/linux-atomic.asm: New file.
36 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
38 2006-03-31 DJ Delorie <dj@redhat.com>
40 * config/m32c/cond.md: Set condition flags properly throughout.
41 * config/m32c/minmax.md: Likewise.
42 * config/m32c/prologue.md: Likewise.
43 * config/m32c/bitops.md: Likewise.
44 * config/m32c/muldiv.md: Likewise.
45 * config/m32c/mov.md: Likewise.
46 * config/m32c/addsub.md: Likewise.
47 * config/m32c/m32c.md: Likewise.
48 * config/m32c/jump.md: Likewise.
49 * config/m32c/shift.md: Likewise.
51 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
52 conditionally output the pattern for this.
53 * config/m32c/m32c.c (flags_needed_for_conditional): New.
54 (m32c_compare_redundant): New.
55 (m32c_output_compare): New.
56 * config/m32c/m32c-protos.h (m32c_output_compare): New.
58 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
59 dest, not src. Allow other 4-byte modes.
61 2006-03-30 Denis Chertykov <denisc@overta.ru>
63 * doc/md.texi: Refer to avr/constraints.md instead of
66 2006-03-30 Roger Sayle <roger@eyesopen.com>
68 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
69 signed vs. unsigned comparison failures on some hosts.
71 2006-03-31 Alan Modra <amodra@bigpond.net.au>
74 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
77 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
78 (rs6000_override_options): Use it.
79 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
80 only for -mabi=spe/no-spe and -mabi=altivec.
82 2006-03-30 Geoffrey Keating <geoffk@apple.com>
84 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
87 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
89 * Makefile.in: Rename docdir to gcc_docdir.
91 2006-03-30 Roger Sayle <roger@eyesopen.com>
94 * expr.c (emit_group_store): Optimize group stores into a pseudo
95 register by using a paradoxical subreg to initialize the destination
96 if the first or last member of the group specifies a "low part".
98 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
101 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
102 * target.h (struct gcc_target.speculate_insn): Change type of the
103 second parameter to 'int'.
104 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
105 the second operand of the DEPS_LIST.
106 (copy_DEPS_LIST_list): Update reference to the second operand of the
108 * rtl.h (alloc_DEPS_LIST): Update signature.
109 * sched-int.h (ds_t): Change typedef to 'int'.
110 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
112 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
114 * haifa-sched.c (try_ready): Change condition to restore
115 non-speculative pattern of the instruction.
116 (process_insn_depend_be_in_spec): Code to keep probability of the
117 speculative dependence non-decreasing.
119 2006-03-30 Jie Zhang <jie.zhang@analog.com>
121 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
122 (single_move_for_movmem): ... this. Also change all uses.
123 (bfin_expand_strmov): Renamed to...
124 (bfin_expand_movmem): ... this. Also change all uses.
125 * config/bfin/bfin.md (movstrsi): Renamed to...
128 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
130 PR tree-optimization/26830
132 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
133 (copy_prop_visit_stmt): Remove write-only variable ann.
134 (init_copy_prop): Check variable loop depth here. Do not simulate
135 memory-tag and virtual operand PHIs except for store copy prop.
137 2006-03-30 Richard Guenther <rguenther@suse.de>
139 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
140 variants with double arguments.
142 2006-03-29 David Edelsohn <edelsohn@gnu.org>
144 * genpreds.c (write_tm_constrs_h): Delete variable p.
145 * genconditions.c (write_header): Add tm-constrs.h to included
147 * genpeep.c (main): Add toplev.h to included headers.
148 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
149 (build/genpeep.o): Add toplev.h dependency.
150 * config/rs6000/constraints.md: Add "W" constraint.
152 2006-03-29 Roger Sayle <roger@eyesopen.com>
154 * stor-layout.c (mode_for_size_tree): Remove restiction on type
155 sizes by correctly testing whether the size fits a host integer.
156 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
157 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
158 SImode range for the default sizetype and bitsizetype.
160 2006-03-29 Roger Sayle <roger@eyesopen.com>
162 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
163 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
164 quickly if the argument is already of the correct type.
165 Call fold_build1 instead of build1. Tidy up blank lines.
167 2006-03-29 David Edelsohn <edelsohn@gnu.org>
169 * genemit.c (main): Add tm-constrs.h to included headers.
170 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
171 * genpeep.c (main): Add tm-constrs.h to included headers.
172 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
173 (write_tm_constrs_h): this and write complete file.
174 (write_tm_preds_h): Do not emit satisfies_constraint fns.
175 (write_insn_preds_c): Add tm-constrs.h to included headers.
176 (gen_constrs): New variable.
177 (parse_option): Parse "-c".
178 (main): Invoke write_tm_constrs_h.
179 * genrecog.c (write_header): Add tm-constrs.h to included headers.
180 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
181 (object_out_file): Add tm-constrs.h dependency.
183 (insn-output.o): Same.
185 (insn-preds.o): Same.
186 (insn-recog.o): Same.
187 (tm-constsr.h): New target.
188 (s-constrs-h): New target.
190 * config/rs6000/constraints.md: New file.
191 * config/rs6000/rs6000.c: Include tm-constrs.h.
192 (num_insn_constant_wide): Convert to satisfies_constraint.
193 (rs6000_rtx_costs): Convert to satisfies_constraint.
194 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
195 (CONST_OK_FOR_LETTER_P): Delete.
196 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
197 (EXTRA_CONSTRAINT): Delete.
198 (EXTRA_MEMORY_CONSTRAINT): Delete.
199 (EXTRA_ADDRESS_CONSTRAINT): Delete.
200 * config/rs6000/predicates.md: Convert to satisfies_constraint.
201 * config/rs6000/rs6000.md: Include constraints.md. Convert to
202 satisfies_constraint.
204 * config/i386/i386.c: Include tm-constrs.h.
206 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
208 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
209 * tree-data-ref.c (find_data_references_in_loop,
210 compute_data_dependences_for_loop): Use pointers to VEC.
211 (analyze_all_data_dependences): Adjust calls.
212 * tree-data-ref.h (find_data_references_in_loop,
213 compute_data_dependences_for_loop): Adjust declarations.
214 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
215 compute_data_dependences_for_loop.
217 2006-03-29 Paul Brook <paul@codesourcery.com>
219 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
222 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
224 PR tree-optimization/26859
225 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
227 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
228 for the step after fold_convert.
230 2006-03-29 Paul Brook <paul@codesourcery.com>
232 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
233 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
235 2006-03-29 Paul Brook <paul@codesourcery.com>
238 * targhooks.c (default_narrow_bitfield): New fuction.
239 * targhooks.h (default_narrow_bitfield): add prototype.
240 * target.h (gcc_target): Add narrow_volatile_bitfield.
241 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
242 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
243 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
244 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
246 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
248 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
250 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
251 (NR_C_MODES): Add TDmode, DDmode and SDmode.
252 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
253 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
254 (s390_function_arg_float): Allow SDmode and DDmode values to be
255 passed in floating point registers.
256 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
257 check with SCALAR_FLOAT_MODE_P.
258 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
260 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
262 PR tree-optimization/25985
263 * tree-ssa-loop-niter.c (number_of_iterations_le,
264 number_of_iterations_ne): Make comments more precise.
265 (number_of_iterations_cond): Add only_exit argument. Use the
266 fact that signed variables do not overflow only when only_exit
268 (loop_only_exit_p): New.
269 (number_of_iterations_exit): Pass result of loop_only_exit_p to
270 number_of_iterations_cond.
272 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
274 PR tree-optimization/26643
275 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
278 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
280 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
281 (divsi3_i4_int): Likewise.
283 2006-03-28 Roger Sayle <roger@eyesopen.com>
285 * expr.c (emit_group_store): Only create a new pseudo reg if the
286 quantity it needs to hold isn't already a suitable pseudo.
288 2006-03-28 Jeff Law <law@redhat.com>
290 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
291 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
293 2006-03-28 Roger Sayle <roger@eyesopen.com>
295 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
296 the equivalent ~X & Y, and the symmetry related transformations.
297 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
298 ~X & Y, and symmetry related transforms.
300 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
302 Revert my 2006-03-27 patches.
304 2006-03-28 Roger Sayle <roger@eyesopen.com>
306 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
307 ~(T1)X, when T1 and T2 are integer types of the same precision
308 and (T2)X isn't an extension.
310 2006-03-28 Jeff Law <law@redhat.com>
312 PR tree-optimization/26796
313 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
314 need EH edge cleanups rather than purging them immediately.
315 (eliminate_degenerate_phis): Handle queued EH cleanups.
317 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
319 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
322 2006-03-27 Roger Sayle <roger@eyesopen.com>
325 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
326 cast BIT_NOT_EXPR operand to the correct type.
328 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
330 * tree-loop-linear.c: Don't include varray.h.
331 (gather_interchange_stats, try_interchange_loops,
332 linear_transform_loops): Use VEC instead of VARRAY.
333 * lambda-mat.c: Don't include varray.h.
334 * tree-chrec.c: Same.
335 * lambda-trans.c: Same.
336 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
337 VEC instead of VARRAY.
338 * tree-vectorizer.h: Idem.
339 * tree-data-ref.c (dump_data_references,
340 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
341 initialize_data_dependence_relation, finalize_ddr_dependent,
342 compute_all_dependences, find_data_references_in_loop,
343 compute_data_dependences_for_loop, analyze_all_data_dependences,
344 free_dependence_relation, free_dependence_relations,
345 free_data_refs): Idem.
346 * tree-data-ref.h (data_reference_p, subscript_p): New.
347 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
348 VEC instead of VARRAY.
349 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
350 (find_data_references_in_loop, compute_data_dependences_for_loop,
351 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
352 dump_data_dependence_relations, free_dependence_relations,
353 free_data_refs): Adjust declaration.
354 (lambda_transform_legal_p): Move declaration here...
355 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
356 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
357 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
358 vect_analyze_data_refs): Use VEC instead of VARRAY.
359 * lambda.h (lambda_transform_legal_p): ...from here.
360 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
361 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
362 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
363 tree-chrec.o): Don't depend on VARRAY_H.
365 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
367 * rtl.def (Copyright): Update date.
368 (DEPS_LIST): Change type of the second operand to 'int'.
369 * target.h (Copyright): Update date.
370 (struct gcc_target.speculate_insn): Change type of the second parameter
372 * lists.c (Copyright): Update date.
373 (alloc_DEPS_LIST): Change signature. Update reference to the second
374 operand of the DEPS_LIST.
375 (copy_DEPS_LIST_list): Update reference to the second operand of the
377 * rtl.h (Copyright): Update date.
378 (alloc_DEPS_LIST): Update signature.
379 * sched-int.h (Copyright): Update date.
380 (ds_t): Change typedef to 'int'.
381 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
383 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
385 * haifa-sched.c (Copyright): Update date.
386 (try_ready): Change condition to restore non-speculative pattern
388 (process_insn_depend_be_in_spec): Code to keep probability of the
389 speculative dependence non-decreasing.
391 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
393 * regrename.c (replace_oldest_value_addr): Initialize a variable to
394 shut up the compiler.
396 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
398 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
399 to use lib prefix for target.
400 ($(T)libic_invalidate_array_4-200.a): Likewise.
401 ($(T)libic_invalidate_array_4a.a): Likewise.
403 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
404 J"orn Rennecke <joern.rennecke@st.com>
406 * superh.opt: New file.
407 * sh.c (boardtype, osruntime): Remove.
408 * superh.h (SUBTARGET_OPTIONS): Remove.
409 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
411 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
412 arguments with ^ and/or [].
414 * config.gcc (sh-*-*): Add quoting to account for quirk of
416 Replace == with = in enable_incomplete_targets test.
418 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
419 with MASK_LITTLE_ENDIAN.
421 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
422 * config/sh/sh.opt: Added to some comments.
423 * config/sh/superh.h: Removed some chaff.
425 * config/sh/sh.opt: Add m4-[1234]00* options.
426 * config/sh/sh.c (sh_handle_option): Likewise.
427 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
428 (ic_invalidate_array_4-100.o): New rule.
429 ($(T)libic_invalidate_array_4-100.a): Likewise.
430 (ic_invalidate_array_4-200.o): Likewise.
431 ($(T)libic_invalidate_array_4-200.a): Likewise.
432 (ic_invalidate_array_4a.o): Likewise.
433 ($(T)libic_invalidate_array_4a.a): Likewise.
434 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
435 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
437 * config/sh/crt1.asm: Merged in profiling code.
438 * config/sh/superh.h (STARTFILE_SPEC): Override.
439 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
440 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
441 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
443 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
444 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
445 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
447 * sh.opt (mpretend-cmove): New option.
448 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
449 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
450 (movsicc): Add TARGET_PRETEND_CMOVE code.
452 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
454 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
455 s390_class_max_nregs): New function prototypes.
456 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
457 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
458 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
459 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
461 2006-03-26 Geoffrey Keating <geoffk@apple.com>
463 * dwarf2out.c (add_location_or_const_value_attribute): Call
464 tree_add_const_value_attribute if nothing else works.
465 (reference_to_unused): New.
466 (rtl_for_decl_init): Use reference_to_unused to decide whether
467 to output an initializer.
469 2006-03-27 Alan Modra <amodra@bigpond.net.au>
472 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
473 peephole removing spe frob_di_df_2.
475 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
477 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
478 (subscript_dependence_tester_1): Declared.
479 (print_dir_vectors, print_dist_vectors): New.
480 (debug_data_dependence_relation): New.
481 (dump_data_dependence_relation): Print more details.
482 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
483 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
484 (save_dist_v, save_dir_v, add_outer_distances,
485 build_classic_dist_vector_1): New.
486 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
487 Don't test for lambda_vector_lexico_pos.
488 (same_access_functions, add_multivariate_self_dist,
489 add_other_self_distances, dir_from_dist): New.
490 (build_classic_dir_vector): Replace implementation almost identical to
491 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
493 (subscript_dependence_tester_1): New.
494 (subscript_dependence_tester): Handle the lexicographically negative
495 distance vectors by recomputing the dependence relation.
496 (compute_affine_dependence): Remove parameter loop_nest_depth.
497 (compute_self_dependence): Don't call compute_subscript_distance.
498 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
499 Add a parameter for the loop_nest.
500 (find_loop_nest_1, find_loop_nest): New.
501 (compute_data_dependences_for_loop): Compute the loop nest, and give
502 up if the nest is not well formed.
503 * tree-data-ref.h (loop_p): New.
504 (struct data_dependence_relation): Replace size_vect field with
505 loop_nest, a vec of loops.
506 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
507 (DDR_LOOP_NEST): New.
508 (print_dir_vectors, print_dist_vectors,
509 debug_data_dependence_relation): Declared.
510 (index_in_loop_nest): New.
511 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
512 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
515 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
517 * simplify-rtx.c (simplify_relational_operation): Call
518 simplify_relational_operation_1 even if mode is VOIDmode.
520 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
522 PR tree-optimization/26804
523 * tree.h (DECL_CALL_CLOBBERED): New macro.
524 (tree_decl_common): Add call_clobbered_flag.
525 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
526 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
527 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
528 (mark_non_addressable): Ditto.
529 * tree-ssa.c (verify_call_clobbered): New function.
530 (verify_alias_info): Use it.
531 * tree-pass.h (pass_reset_cc_flags): New prototype.
532 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
533 (reset_cc_flags): New function.
534 * passes.c (init_optimization_passes): Call reset_cc_flags after
535 initializing referenced_vars.
537 2006-03-25 Uros Bizjak <uros@kss-loka.si>
538 Roger Sayle <roger@eyesopen.com>
541 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
542 to 1.0 for non-real operands. Implement A / A optimization for
545 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
547 * config/i386/i386.c (size_cost): Correct the comment for
548 cost of storing fp registers.
549 (i386_cost): Likewise.
550 (i486_cost): Likewise.
551 (pentium_cost): Likewise.
552 (pentiumpro_cost): Likewise.
554 (athlon_cost): Likewise.
556 (pentium4_cost): Likewise.
557 (nocona_cost): Likewise.
558 (generic64_cost): Likewise.
559 (generic32_cost): Likewise.
561 2006-03-24 Denis Chertykov <denisc@overta.ru>
563 * config/avr/avr-protos.h (extra_constraint): Delete.
564 (extra_constraint_Q): New declaration.
565 * config/avr/constraints.md: New file.
566 * config/avr/avr.md: Include it.
567 (REG_X, REG_Y, REG_Z, REG_W): New constants.
568 (TMP_REGNO, ZERO_REGNO): Likewise.
569 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
570 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
571 (extra_constraint): Delete.
572 (extra_constraint_Q): Test for memory constraint 'Q'.
573 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
574 (REG_CLASS_FROM_LETTER): Delete.
575 (CONST_OK_FOR_LETTER_P): Delete.
576 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
577 (EXTRA_CONSTRAINT): Delete.
579 (ZERO_REGNO): Delete.
581 2006-03-24 Jeff Law <law@redhat.com>
583 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
584 directly. Call mark_new_vars_to_rename slightly earlier.
586 2006-03-24 Geoffrey Keating <geoffk@apple.com>
588 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
590 (gen_compile_unit_die): Use new language types for Objective-C and
592 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
596 * config/t-darwin (crt3.o): Work around bug 26840.
597 * config/darwin-crt3.c: Rewrite.
598 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
600 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
602 * doc/invoke.texi: Document -femit-class-debug-always
603 * common.opt: Add -femit-class-debug-always.
605 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
607 * config/s390/s390.c (s390_decompose_address): Allow SImode for
608 index and base register.
609 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
610 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
611 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
612 REGNO_OK_FOR_INDEX_P.
613 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
615 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
616 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
617 REG_OK_FOR_BASE_P): Definitions removed.
619 2006-03-24 Jakub Jelinek <jakub@redhat.com>
622 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
623 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
624 set yet or weren't marked as local yet.
626 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
628 * regrename.c (scan_rtx_address): Initialize a variable to shut up
631 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
633 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
634 (rs6000_legitimate_small_data_p): Delete.
635 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
636 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
637 and make static. Add forward declaration. Update uses.
638 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
639 of offsettable_memref_p.
640 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
641 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
643 2006-03-24 Jeff Law <law@redhat.com>
645 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
646 around bug in immediate-use iterator.
648 2006-03-24 Alan Modra <amodra@bigpond.net.au>
651 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
652 or __LITTLE_ENDIAN__.
654 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
656 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
657 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
658 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
659 * config/sh/sh.opt (mdiv=): Amend description.
660 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
661 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
662 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
663 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
664 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
665 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
666 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
667 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
668 TARGET_DIVIDE_CALL_FP.
670 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
672 * haifa-sched.c (choose_ready): Fix type of the local variable.
673 Move local variables. Add comment.
674 (check_reg_live): Change signature. Make callable from debugger.
675 * sched-int.h (check_reg_live): Update signature.
676 * sched-ebb.c (check_reg_live): Update parameters.
677 * sched-rgn.c (check_reg_live): Ditto.
678 (region_head_or_leaf_p): Check pointer before dereferencing.
679 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
680 before reload on optimization levels below 1.
682 2006-03-23 Richard Henderson <rth@redhat.com>
684 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
688 * config/alpha/predicates.md (local_symbolic_operand): Reject
691 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
694 * tree-ssa-pre.c (create_value_expr_from): Don't reject
695 expressions which have overflowed constants.
697 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
699 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
701 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
703 * cfgloopmanip.c (create_loop_notes): Removed.
704 * final.c (final_scan_insn): Do not handle loop notes.
705 * jump.c (squeeze_notes): Ditto.
706 * cfglayout.c (skip_insns_after_block,
707 duplicate_insn_chain): Ditto.
708 * cfgcleanup.c (rest_of_handle_jump2): Do not call
710 * cfgloop.h (create_loop_notes): Declaration removed.
712 2006-03-23 Richard Sandiford <richard@codesourcery.com>
714 * varasm.c (output_constant_pool): Restore fnname and fndecl
716 (assemble_start_function): Adjust call accordingly.
717 (assemble_end_function): Likewise.
719 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
722 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
725 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
727 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
730 * system.h (ICE_EXIT_CODE): New macro.
731 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
732 (diagnostic_action_after_output): Likewise.
733 * gcc.c (fatal_ice): New function.
734 (execute): Use it instead of fatal.
735 (fancy_abort): Likewise.
736 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
738 2006-03-22 Jeff Law <law@redhat.com>
740 * loop-unroll.c (analyze_iv_to_split_insn): Handle
741 iv_analyze_result returning false.
743 2006-03-22 Jie Zhang <jie.zhang@analog.com>
745 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
747 2006-03-22 Richard Henderson <rth@redhat.com>
750 * except.c (duplicate_eh_regions_0): New.
751 (duplicate_eh_region_1): Duplicate the children of the node as
752 well as the node itself. Link them up properly.
753 (duplicate_eh_region_2): Merge into ...
754 (duplicate_eh_regions): ... here. Take copy_region argument, and
755 copy only a sub-tree if asked. Simplify copying and fixup.
756 (eh_region_outer_p): New.
757 * except.h (duplicate_eh_regions): Update decl.
758 (eh_region_outer_p): Declare.
759 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
760 (lower_omp_master): Likewise.
761 (lower_omp_ordered): Likewise.
762 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
763 (move_stmt_r): Use it to remap labels. Handle recursion vs
764 remap_decls_p properly.
765 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
766 (find_outermost_region_in_block): New.
767 (new_label_mapper): New.
768 (move_sese_region_to_fn): Copy eh information to the new function
770 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
772 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
775 2006-03-22 Richard Sandiford <richard@codesourcery.com>
777 * doc/md.texi (-mshared): Mention that -mshared code can be linked
778 into shared libraries.
780 2006-03-22 Richard Sandiford <richard@codesourcery.com>
782 * doc/md.texi: Refer to i386/constraints.md instead of
784 * config/i386/constraints.md: New file, extracted from...
785 * config/i386/predicates.md: ...here.
786 * config/i386/i386.md: Include constraints.md.
788 2006-03-21 Jason Merrill <jason@redhat.com>
790 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
793 * expr.c (init_block_move_fn): Force default visibility.
794 (init_block_clear_fn): Likewise.
795 * builtins.c (expand_builtin_fork_or_exec): Likewise.
796 * targhooks.c (default_external_stack_protect_fail): Likewise.
798 2006-03-21 Richard Sandiford <richard@codesourcery.com>
800 * config/mips/predicates.md (const_call_insn_operand): Allow direct
801 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
802 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
803 Use TARGET_OLDABI instead of !TARGET_NEWABI.
804 (loadgp): Use mips_current_loadgp_style.
805 (loadgp_noshared): New pattern.
806 (sibcall_internal): Use MIPS_CALL.
807 (sibcall_value_internal): Likewise.
808 (sibcall_value_multiple_internal): Likewise.
809 (call_internal): Likewise.
810 (call_value_internal): Likewise.
811 (call_value_multiple_internal): Likewise.
812 (call_split): Use MIPS_CALL and add an 'S' constraint.
813 (call_value_split): Likewise.
814 (call_value_multiple_split): Likewise.
815 * config/mips/mips.opt (-mabicalls): Tweak docstring.
816 (-mshared): New option.
817 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
818 (mips_current_loadgp_style): Declare.
819 * config/mips/mips.c (mips_classify_symbol): Avoid using
820 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
821 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
822 TARGET_ABSOLUTE_ABICALLS.
823 (override_options): Adjust comments. Improve the warning that is
824 issued when -mabicalls and -G are used together.
825 (mips_file_start): Remove comment.
826 (mips_current_loadgp_style): New function.
827 (mips_gnu_local_gp): New variable.
828 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
830 (mips_output_function_prologue): Use mips_current_laodgp_style.
831 (mips_expand_prologue): Call mips_emit_loadgp before emitting
832 the cprestore instruction.
833 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
834 live for TARGET_ABSOLUTE_ABICALLS.
835 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
836 (ASM_SPEC): Pass down -mshared and -mno-shared.
837 (MIPS_CALL): New macro.
838 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
840 * doc/invoke.texi (-mabicalls): Update documentation.
841 (-mshared): Document.
843 2006-03-21 Steve Ellcey <sje@cup.hp.com>
845 * config/ia64/unwind-hpux.c: New file.
846 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
848 2006-03-21 Steve Ellcey <sje@cup.hp.com>
851 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
853 2006-03-21 Jeff Law <law@redhat.com>
855 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
856 type conversions of a VR_VARYING source to a wider type.
858 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
860 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
861 tm_file on Solaris 10 and later.
862 (sparc64-*-solaris2*): Likewise.
863 (sparc-*-solaris2*): Likewise.
864 * config/sol26.h: Rename to config/sol2-6.h.
865 * config/sol2-10.h: New file.
867 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
870 * tree-ssa-pre.c (create_component_ref_by_pieces):
873 2006-03-21 Jakub Jelinek <jakub@redhat.com>
876 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
877 return it immediately.
879 2006-03-21 Michael Matz <matz@suse.de>
881 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
883 (remove_arc, add_arc): Update num_out_arcs member.
884 (set_out_arc_insns_equiv_num): Returns nothing instead of number
886 (cache_presence): New function.
887 (compare_states_for_equiv): New function.
888 (state_is_differed): Don't take number of outargs, adjust callers.
889 Use new invariant for speeding up.
890 (init_equiv_class): Create initial classes based on sorted
892 (partition_equiv_class): Don't track out_arcs_num.
893 (evaluate_equiv_classes): Call cache_presence on all states and
896 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
898 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
899 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
900 (bfin_valid_reg_p): Test for pseudos explicitly and use only
901 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
903 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
904 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
905 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
906 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
907 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
909 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
910 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
911 (REGNO_REG_CLASS): ARGP is in PREGS.
912 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
914 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
915 to deal with those addresses.
916 * addresses.h: New file.
917 * caller-save.c: Include "addresses.h".
918 (init_caller_save): Use new base_reg_class function.
919 * rtl-factoring.c: Include "addresses.h".
920 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
921 * recog.c: Include "addresses.h".
922 (preprocess_constraints): Use new base_reg_class function.
923 * regrename.c: Include "addresses.h".
924 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
925 functions. Keep track of a new var INDEX_CODE to compute valid
927 (replace_oldest_value_addr): Likewise.
928 (replace_oldest_value_mem): Use base_reg_class.
929 * reload.c: Include "addresses.h".
930 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
931 (find_reloads): Use new base_reg_class function.
932 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
933 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
934 all callers and prototype changed.
935 * reload1.c: Include "addresses.h".
936 (maybe_fix_stack_asms): Use base_reg_class.
937 * regclass.c: Include "addresses.h".
938 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
939 (init_reg_autoinc): Use new base_reg_class function.
940 (record_reg_classes): Likewise.
941 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
942 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
943 Use new args to compute necessary class.
945 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
946 regrename.o, rtl-factoring.o): Update dependencies.
947 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
948 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
949 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
950 REG_OK_FOR_INDEX_P): Delete documentation.
952 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
954 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
955 from V7 to V9 for Solaris 7 and above.
957 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
959 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
960 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
961 argument pointers may not alias any other storage.
962 * common.opt: Define option -fargument-noalias-anything.
963 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
964 alias semantics is specified by flag_argument_noalias > 2.
966 2006-03-20 Jeff Law <law@redhat.com>
968 * tree-pass.h (pass_phi_only_copy_prop): Delete.
969 (pass_phi_only_cprop): Declare.
970 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
972 * tree-ssa-dom.c (degenerate_phi_result): New function.
973 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
974 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
975 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
976 (eliminate_degenerate_phis): Likewise.
977 (pass_phi_only_cprop): New pass descriptor.
978 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
979 support code. Callers updated.
980 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
981 (store_copy_prop): Likewise.
982 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
984 2006-03-20 Jason Merrill <jason@redhat.com>
987 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
988 (push_visibility, pop_visibility): Likewise.
989 * c-pragma.h: Declare them.
991 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
993 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
995 * config/sh/sh.c (find_regmode_weight): Change the type of the first
996 parameter and use get_ebb_head_tail.
997 (sh_md_init_global): Adjust uses of find_regmode_weight.
999 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1001 * function.h (struct function) <x_tail_recursion_reentry>:
1002 Rename to x_stack_check_probe_note.
1003 (tail_recursion_reentry): Rename to stack_check_probe_note.
1004 * function.c: Replace tail_recursion_reentry with
1005 stack_check_probe_note everywhere.
1006 (expand_function_start): Only emit a note for
1007 stack_check_probe_note with -fstack-protect.
1008 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1010 * emit-rtl.c (remove_unnecessary_notes): Remove.
1011 (pass_remove_unnecessary_notes): Remove.
1012 * rtl.h (remove_unnecessary_notes): Remove prototype.
1013 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1014 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1015 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1017 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1020 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1021 (valid_in_set): Handle ARRAY_REF.
1022 Change "if min_variant or VH" to asserts.
1023 (create_component_ref_by_pieces): Handle ARRAY_REF.
1024 (create_expression_by_pieces): Likewise.
1025 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1027 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1029 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1030 is operand of switch, not str[0].
1032 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1034 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1035 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1037 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1039 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1040 end of insn_extra_address_constraint declaration.
1042 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1044 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1045 (no-sum-in-toc): Same.
1046 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1048 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1049 NO_FP_IN_TOC for -fPIC instead of mask.
1051 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1052 (BOOT_LDFLAGS): Delete.
1054 * config/rs6000/t-aix52: Same.
1056 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1057 (stmsi[345678]_power): New.
1059 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1061 * config/ia64/ia64.opt: Add empty line to end of file.
1063 2006-03-17 Richard Guenther <rguenther@suse.de>
1066 * builtins.c (get_pointer_alignment): For component style references
1067 adjust alignment to the component type alignment. Make sure
1068 to adjust alignment for component access of constants.
1070 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1072 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1075 2006-03-17 Paul Brook <paul@codesourcery.com>
1077 * doc/install.texi: Docuemnt --with-mode.
1078 * config.gcc: Add --with-mode for arm*-*-*.
1079 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1081 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1083 * sh.c (max_labelno_before_reorg): New variable.
1084 (sh_reorg): Initialize it.
1085 (find_barrier): Check max_labelno_before_reorg before using
1086 label_to_alignment. Take length of explicit alignment insns
1087 into account. When seeing a UNSPECV_CONST_END, return it.
1089 * sh.c (fixup_mova): Set mode of affected label to QImode.
1090 (untangle_mova): New function.
1091 (find_barrier): Use it. Check mode of label before decrementing
1093 (sh_reorg): Likewise.
1094 Set mode of all insns back to VOIDmode.
1096 * sh.c (MOVA_LABELREF): New macro.
1097 (mova_p, fixup_mova, sh_reorg): Use it.
1098 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1099 ADDR_DIFF_VEC matches mova.
1101 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1103 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1104 with ATTRIBUTE_UNUSED.
1106 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1108 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1109 pointer, instead of assuming it is possible to derive the
1110 correct args size from a call insn.
1112 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1114 * rtl.h (CONST_INT_P): Define.
1115 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1116 instead of GET_CODE(x) == CONST_INT.
1117 (vax_rtx_costs): Likewise.
1118 (vax_output_int_move): Likewise.
1119 (vax_output_int_add): Likewise.
1120 (legitimate_constant_address_p): Likewise.
1121 (index_term_p): Likewise.
1122 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1123 * config/vax/vax.md (and<mode>3): Likewise.
1124 (ashrsi3): Likewise.
1126 (movstricthi): Likewise.
1127 (movstrictqi): Likewise.
1128 (rotrsi3): Likewise.
1129 (five unnamed insns): Likewise.
1131 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1133 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1134 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1135 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1136 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1137 Pass to ASM_OUTPUT_DWARF_OFFSET.
1138 * dwarf2out.c (debug_frame_section): New.
1139 (output_call_frame_info): Use debug_frame_section. Pass it to
1140 dw2_asm_output_offset.
1141 (output_die): Pass appropriate section to dw2_asm_output_offset.
1142 (output_compilation_unit_header): Likewise.
1143 (output_pubnames): Likewise.
1144 (output_aranges): Likewise.
1145 (enum dw_val_class): Break dw_val_class_lbl_offset into
1146 dw_val_class_lineptr and dw_val_class_macptr.
1147 (add_AT_lbl_offset): Delete.
1148 (add_AT_lineptr): New.
1149 (add_AT_macptr): New.
1150 (AT_lbl): Expect a lineptr or macptr.
1151 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1152 (attr_checksum): Likewise.
1153 (same_dw_val_p): Likewise.
1154 (size_of_die): Likewise.
1155 (value_format): Likewise.
1156 (output_die): Likewise.
1157 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1159 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1160 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1161 * config/darwin-protos.h (darwin_file_start): New.
1162 (darwin_asm_output_dwarf_offset): New.
1163 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1164 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1166 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1167 if not EH section; simplify.
1168 (darwin_file_start): New.
1169 (darwin_asm_output_dwarf_offset): New.
1170 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1172 (DEBUG_INFO_SECTION): Likewise.
1173 (DEBUG_ABBREV_SECTION): Likewise.
1174 (DEBUG_ARANGES_SECTION): Likewise.
1175 (DEBUG_MACINFO_SECTION): Likewise.
1176 (DEBUG_LINE_SECTION): Likewise.
1177 (DEBUG_LOC_SECTION): Likewise.
1178 (DEBUG_PUBNAMES_SECTION): Likewise.
1179 (DEBUG_STR_SECTION): Likewise.
1180 (DEBUG_RANGES_SECTION): Likewise.
1181 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1182 (ASM_OUTPUT_DWARF_OFFSET): New.
1184 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1186 * config.gcc (tm_defines): Always add to previous value rather
1189 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1191 * config/mips/predicates.md (splittable_const_int_operand): New,
1192 split from move_operand.
1193 (splittable_symbolic_operand): New.
1194 (move_operand): Add commentary. Use splittable_const_int_operand.
1195 Inline mips_atomic_symbolic_constant_p.
1196 * config/mips/mips.md: Add combine splitters for handling moves
1197 of splittable_const_int_operands and splittable_symbolic_operands.
1198 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1199 (mips_split_symbol): Declare.
1200 (mips_move_integer): Declare.
1201 * config/mips/mips.c (mips_split_p): Make global.
1202 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1203 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1204 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1205 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1206 (mips_offset_within_object_p): Handle block symbols.
1207 (mips_atomic_symbolic_constant_p): Delete.
1208 (mips_cannot_force_const_mem): Return false for constants that
1209 mips_legitimize_move can handle.
1210 (mips_use_blocks_for_constant_p): New function.
1211 (mips_split_symbol): Make global.
1212 (mips_move_integer): Likewise. Add a temporary register argument.
1213 (mips_legitimize_const_move): Use splittable_const_int_operand and
1214 splittable_symbolic_operand.
1215 (mips_use_anchors_for_symbol_p): New function.
1216 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1217 (mips_split_p): Declare.
1219 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1221 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1222 (mips*-*-linux*): Likewise.
1224 2006-03-16 Roger Sayle <roger@eyesopen.com>
1225 Daniel Speyer <dspeyer@wam.umd.edu>
1228 * tree-dump.c (dump_real): New function.
1229 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1230 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1231 (tree-dump.o): Add $(REAL_H) to the dependencies.
1233 2006-03-16 Roger Sayle <roger@eyesopen.com>
1236 * real.c (real_from_string): If the mantissa is zero, don't bother
1237 parsing the exponent as the result should always be zero.
1239 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1241 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1243 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1245 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1246 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1247 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1248 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1249 ia64_sched_finish_global): New static functions to implement
1250 hooks from gcc_target.sched.
1251 (spec_check_no, max_uid, pending_data_specs): New static variables.
1252 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1253 ia64_spec_check_src_p): New static functions.
1254 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1255 (TARGET_SCHED_ADJUST_COST): Removed.
1256 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1257 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1258 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1259 TARGET_SCHED_GEN_CHECK,
1260 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1261 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1262 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1263 Fixed to handle speculation checks.
1264 (rtx_needs_barrier): Fixed to handle speculative loads and
1266 (ia64_variable_issue): Added code to count speculative loads and their
1268 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1270 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1272 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1274 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1275 (ia64_reorg): Reset stops_p to NULL after it is freed.
1276 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1277 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1278 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1280 (data_speculative, control_speculative, check_load): New attributes.
1281 (mov<mode>_advanced, mov<mode>_speculative,
1282 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1283 zero_extend<mode>di2_speculative,
1284 zero_extend<mode>di2_speculative_advanced): New patterns for
1285 data and control speculative loads.
1286 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1288 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1289 New pattern for data and control speculation checks.
1290 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1291 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1292 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1293 Auxiliary definitions for the patterns.
1294 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1295 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1297 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1299 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1300 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1301 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1302 New resource constraints.
1303 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1305 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1306 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1307 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1308 msched-in-control-spec, msched-ldc, msched-control-ldc,
1309 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1310 msched-prefer-non-control-spec-insns,
1311 msched-count-spec-in-critical-path): New flags to tune speculative
1313 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1314 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1315 msched-in-control-spec, msched-ldc, msched-control-ldc,
1316 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1317 msched-prefer-non-control-spec-insns,
1318 msched-count-spec-in-critical-path): Document new flags.
1320 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1322 * target.h (struct spec_info_def): New opaque declaration.
1323 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1324 speculate_insn, needs_block_p, gen_check,
1325 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1326 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1327 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1328 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1329 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1330 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1332 (TARGET_SCHED): Use new macros.
1333 * rtl.h (copy_DEPS_LIST_list): New prototype.
1334 * sched-int.h (struct sched_info): Change signature of new_ready field,
1335 adjust all initializations. New fields: add_remove_insn,
1336 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1337 region_head_or_leaf_p.
1338 (struct spec_info_def): New structure declaration.
1339 (spec_info_t): New typedef.
1340 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1341 recovery_block, orig_pat.
1342 (glat_start, glat_end): New variables declaraions.
1343 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1345 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1346 DETACH_LIFE_INFO, USE_GLAT.
1347 (enum SPEC_SCHED_FLAGS): New enumeration.
1348 (NOTE_NOTE_BB_P): New macro.
1349 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1350 attach_life_info, debug_spec_status, check_reg_live): New functions.
1351 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1352 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1354 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1355 * ddg.c (get_block_head_tail): Adjust all uses.
1356 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1357 (sms_sched_info): Initialize new fields.
1358 (contributes_to_priority): Removed.
1359 * haifa-sched.c (params.h): New include.
1360 (get_block_head_tail): Adjust all uses.
1361 (ISSUE_POINTS): New macro.
1362 (glat_start, glat_end): New global variables.
1363 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1364 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1365 old_last_basic_block, before_recovery, current_sched_info_var,
1366 rgn_n_insns, luid): New static variables.
1367 (insn_cost1): New function. Move logic from insn_cost to here.
1368 (find_insn_reg_weight1): New function. Move logic from
1369 find_insn_reg_weight to here.
1370 (reemit_notes, move_insn, max_issue): Change signature.
1371 (move_insn1): Removed.
1372 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1373 extend_bb): New static functions to support extension of scheduler's
1375 (generate_recovery_code, process_insn_depend_be_in_spec,
1376 begin_speculative_block, add_to_speculative_block,
1377 init_before_recovery, create_recovery_block, create_check_block_twin,
1378 fix_recovery_deps): New static functions to support
1379 generation of recovery code.
1380 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1381 restore_bb_notes, move_block_after_check, move_succs): New static
1382 functions to support ebb scheduling.
1383 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1384 functions to support handling of register live information.
1385 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1386 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1387 add_jump_dependencies): New static functions.
1388 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1389 consistancy checking.
1390 (debug_spec_status): New function to call from debugger.
1391 (priority): Added code to handle speculation checks.
1392 (rank_for_schedule): Added code to distinguish speculative instructions.
1393 (schedule_insn): Added code to handle speculation checks.
1394 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1395 Fixed to handle ebbs.
1396 (move_insn): Added code to handle ebb scheduling.
1397 (max_issue): Added code to use ISSUE_POINTS of instructions.
1398 (choose_ready): Added code to choose between speculative and
1399 non-speculative instructions.
1400 (schedule_block): Added code to handle ebb scheduling and scheduling of
1401 speculative instructions.
1402 (sched_init): Initialize new variables.
1403 (sched_finish): Free new variables. Print statistics.
1404 (try_ready): Added code to handle speculative instructions.
1405 * lists.c (copy_DEPS_LIST_list): New function.
1406 * sched-deps.c (extend_dependency_caches): New function. Move logic
1407 from create_dependency_caches to here.
1408 (get_dep_weak, ds_merge): Make global.
1409 * genattr.c (main): Code to output prototype for
1410 dfa_clear_single_insn_cache.
1411 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1412 (output_dfa_clean_insn_cache_func): Code to output
1413 dfa_clear_single_insn_cache function.
1414 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1416 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1418 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1419 New static variables.
1420 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1421 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1423 (ebb_sched_info): Initialize new fields.
1424 (get_block_head_tail): Adjust all uses.
1425 (compute_jump_reg_dependencies): Fixed to use glat_start.
1426 (schedule_ebb): Code to remove unreachable last block.
1427 (schedule_ebbs): Added code to update register live information.
1428 * sched-rgn.c (region_sched_info): Initialize new fields.
1429 (get_block_head_tail): Adjust all uses.
1430 (last_was_jump): Removed. Adjust users.
1431 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1432 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1433 Implement new hooks.
1434 (check_dead_notes1): New static function.
1435 (struct region): New fields: dont_calc_deps, has_real_ebb.
1436 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1437 (BB_TO_BLOCK): Fixed to handle EBBs.
1438 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1439 (ebb_head): New static variable.
1440 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1441 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1443 (compute_dom_prob_ps): New assertion.
1444 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1445 global_live_at_start.
1446 (init_ready_list): New assertions.
1447 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1448 (new_ready): Add support for BEGIN_CONTROL speculation.
1449 (schedule_insns): Fixed code that updates register live information
1451 (schedule_region): Fixed to handle EBBs.
1452 (init_regions): Use extend_regions and check_dead_notes1.
1453 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1454 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1455 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1456 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1457 TARGET_SCHED_GEN_CHECK,
1458 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1459 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1460 * doc/invoke.texi (max-sched-insn-conflict-delay,
1461 sched-spec-prob-cutoff): Document.
1463 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1465 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
1466 inter_tick, queue_index.
1467 (struct sched_info): Change signature of init_ready_list field.
1468 Adjust all initializations.
1469 (RESOLVED_DEPS): New access macro.
1470 (ready_add): Remove prototype.
1471 (try_ready): Add prototype.
1472 * sched-rgn.c (init_ready_list): Use try_ready.
1473 (schedule_region): Initialize
1474 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
1475 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
1476 (init_ready_list): Use try_ready.
1477 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
1478 * lists.c (remove_list_elem): Remove `static'.
1479 (remove_free_INSN_LIST_elem): New function.
1480 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
1481 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
1482 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
1484 (readyp): New variable.
1485 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
1486 change_queue_index, resolve_dep): New static functions.
1487 (try_ready): New function. Adjust callers in sched-rgn.c and
1488 sched-ebb.c to use it instead of ready_add.
1489 (clock_var): Move at the begining of file.
1490 (rank_for_schedule): Fix typo.
1491 (queue_insn): Add assertion. Handle QUEUE_INDEX.
1492 (ready_lastpos): Enforce assertion.
1493 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
1495 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
1496 (schedule_insn): Rewrite to use try_ready and resolve_dep.
1497 (queue_to_ready): Use free_INSN_LIST_list.
1498 (early_queue_to_ready): Fix typo.
1499 (schedule_block): Init readyp. Move init_ready_list call after the
1500 initialization of clock_var. Fix error in rejecting insn by
1501 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
1502 that previously corrected INSN_TICKs. Add code for handling
1504 (set_priorities): Fix typo.
1505 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
1506 Clarify comment and code that keeps current_sched_info->next_tail
1509 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1511 * sched-rgn.c (extend_rgns): New static function.
1512 (find_rgns): Use it.
1513 (gather_region_statistics, print_region_statistics): New static
1515 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
1516 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1518 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1519 Andrey Belevantsev <abel@ispras.ru>
1521 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
1522 * lists.c (unused_deps_list): New variable.
1523 (free_list): Add assertions to verify the proper distinguishing
1524 between INSN_LISTs and DEPS_LISTs.
1525 (find_list_elem, remove_list_elem, remove_list_node): New static
1527 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
1528 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
1529 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
1530 (alloc_INSN_LIST): Assert that the list we're working on is indeed
1532 (free_INSN_LIST_node): Likewise.
1533 * modulo-sched.c (current_sched_info): Initialize flags field.
1534 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
1535 * rtl.def (DEPS_LIST): Define.
1536 * rtl.h: Declare new functions from lists.c.
1537 * sched-deps.c (spec_dependency_cache): New static variable.
1538 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
1539 (add_dependence): Change return type to void. Move the logic to ...
1540 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
1541 (delete_all_dependences): Add comment about forward_dependency_cache.
1542 Handle spec_dependency_cache. Handle DEPS_LISTs.
1543 (fixup_sched_groups): Clarify the change of priority of output
1544 and anti dependencies.
1545 (sched_analyze_2): Adjust add_dependence calls to create data
1546 speculative dependence.
1547 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
1548 Adjust all callers. Handle DEPS_LISTS.
1549 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
1550 presence of speculation.
1551 (init_dependency_caches, free_dependency_caches):
1552 Handle spec_dependency_cache.
1553 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
1554 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
1555 New static functions.
1556 (add_or_update_back_dep, add_or_update_back_forw_dep,
1557 add_back_forw_dep, delete_back_forw_dep): New functions.
1558 * sched-int.h (ds_t, dw_t): New typedefs.
1559 (struct sched_info): Add new field flags.
1560 (struct haifa_insn_data): Add new bitfield has_internal_dep.
1561 Prototype new sched-deps.c functions.
1562 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
1563 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
1564 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
1565 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
1566 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
1567 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
1569 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
1571 * sched-rgn.c (current_sched_info): Initialize flags field.
1572 (schedule_insns): Initialize current_sched_info before the sched_init
1574 * sched-ebb.c (current_sched_info): Initialize flags field.
1575 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
1576 Call add_or_update_back_dep instead of add_dependence.
1577 Create control speculative dependencies.
1578 (schedule_insns): Initialize current_sched_info before the sched_init
1581 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
1583 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
1585 (sh_fallback_frame_state): Likewise.
1587 2006-03-15 Geoffrey Keating <geoffk@apple.com>
1589 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
1590 Do switch on default_use_cxa_atexit.
1591 (powerpc*-*-darwin*): Build crt2.o on powerpc.
1592 * config/darwin-crt3.o: New.
1593 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
1594 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
1595 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
1597 * config/rs6000/t-darwin: Move crt2.o building to here.
1598 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
1599 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
1602 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1604 * config/vax/vax.c (nonindexed_address_p): Change logical negation
1605 from '! xxx' to '!xxx' for coding-style conformance.
1606 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
1607 (EXTRA_CONSTRAINT): Likewise.
1608 * config/vax/vax.md (four unnamed insns): Likewise.
1610 2006-03-15 Paul Brook <paul@codesourcery.com>
1612 * config/arm/arm.c (minipool_pad): New.
1613 (add_minipool_forward_ref): Include pool alignment padding in address
1615 (push_minipool_fix): Set minipool_pad.
1616 (minipool_pad): Ditto.
1618 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1620 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
1621 instead of GET_CODE() == MEM and REG_P() instead of
1623 (print_operand_address): Likewise.
1624 (vax_address_cost): Likewise.
1625 (vax_rtx_costs): Likewise.
1626 (vax_notice_update_cc): Likewise.
1627 (vax_output_int_add): Likewise.
1628 (INDEX_REGISTER_P): Likewise.
1629 (BASE_REGISTER_P): Likewise.
1630 (nonindexed_address_p): Likewise.
1631 (vax_mode_dependent_address_p): Likewise.
1632 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
1633 (PRINT_OPERAND): Likewise.
1634 * config/vax/vax.md (ashlsi3): Likewise.
1635 (ashlsi3): Likewise.
1636 (some more unnamed insns): Likewise.
1638 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
1640 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
1641 iterator-style macro.
1642 (mark_control_dependent_edges_necessary): Update the use of
1643 EXECUTE_IF_CONTROL_DEPENDENT.
1645 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
1647 * config/sh/predicates.md (cache_address_operand): Special.
1648 (ua_address_operand): Likewise.
1650 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
1652 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
1654 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
1656 2006-03-15 Andreas Schwab <schwab@suse.de>
1658 * gensupport.c (identify_predicable_attribute): Don't free p_false
1659 when it is still in use.
1661 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1663 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
1664 the default setting here.
1666 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
1668 * tree-pass.h (pass_cfg): Remove.
1669 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
1670 * passes.c (pass_cfg): Don't run it.
1672 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
1674 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
1675 * reg-stack.c (stack_regs_mentioned_data): Change the type to
1677 (stack_regs_mentioned): Update the uses of
1678 stack_regs_mentioned_data. Don't access the array beyond its
1680 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
1681 Don't include gt-reg-stack.h.
1683 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
1684 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
1686 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
1689 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
1692 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1694 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
1696 2006-03-14 Richard Guenther <rguenther@suse.de>
1698 PR tree-optimization/26672
1699 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
1702 2006-03-14 Richard Guenther <rguenther@suse.de>
1704 PR tree-optimization/26667
1705 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
1706 node for the callees. Always allow inlining if it will shrink
1709 2006-03-14 Richard Guenther <rguenther@suse.de>
1712 * builtins.c (get_pointer_alignment): Prefer alignment
1713 information from decls over that from types.
1715 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
1718 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
1720 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
1722 * config/rs6000/rs6000.opt (mdlmzb): New option.
1723 (msched-prolog, msched-epilog): Use Var not Mask.
1724 * doc/invoke.texi (-mdlmzb): Document.
1725 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1727 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
1728 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
1730 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
1732 PR rtl-optimization/25739
1733 * bt-load.c (augment_live_range): Free tos pointer.
1735 * gensupport.c (identify_predicable_attribute): Free
1737 * gcov.c (create_file_names): Free name pointer.
1739 2006-03-13 Roger Sayle <roger@eyesopen.com>
1742 * stmt.c (emit_case_nodes): Handle the case where the index is a
1743 CONST_INT, where the comparison mode is specified by the index type.
1745 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1747 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
1750 2006-03-13 Richard Sandiford <richard@codesourcery.com>
1752 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
1753 (*branch_fp_inverted): Likewise.
1755 2006-03-13 Jakub Jelinek <jakub@redhat.com>
1758 * omp-low.c (expand_omp_for_generic): Mark istart0
1759 and iend0 as addressable.
1761 2006-03-13 Jie Zhang <jie.zhang@analog.com>
1763 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
1765 2006-03-13 Jeff Law <law@redhat.com>
1767 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
1768 virtual operands are interesting.
1769 (vrp_visit_stmt): Corresponding changes.
1771 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
1773 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
1775 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
1776 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
1777 * config/bfin/crti.S: Use it instead of __PIC__.
1778 * config/bfin/crtn.S: Likewise.
1780 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
1781 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
1783 Lose 'G' modifier for call operand.
1784 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
1785 recognize 'G' modifier.
1787 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
1790 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
1791 * stmt.c (expand_case): Likewise.
1793 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1795 PR rtl-optimization/26254
1796 * loop-invariant.c (seq_insns_valid_p): New function.
1797 (move_invariant_reg): Only emit new code if it is valid.
1799 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1801 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
1803 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
1804 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
1805 (commit_one_edge_insertion): Do not look for loop notes.
1807 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1809 * jump.c (follow_jumps): Do not check for loop notes. Move check for
1810 flag_test_coverage out of loop.
1812 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1814 * final.c (shorten_branches): Remove outdated comment, and turn
1815 the if branch that guards it to continue.
1817 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1819 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
1820 * cfgloop.h (struct loop): Remove unused fields.
1822 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
1824 * doc/invoke.texi (-fdump-rtl-loop): Remove.
1825 (-dL, -fdump-rtl-loop2): Update the dump file names
1827 * doc/invoke.texi: Update dump file names.
1829 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
1831 * predict.c (estimate_probability): Remove.
1832 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
1833 * basic-block.h (estimate_probability): Remove prototype.
1834 * passes.c (finish_optimization_passes): Dump branch prediction or
1835 profiling heuristics to the .profile tree dump.
1836 (init_optimization_passes): Unqueue pass_branch_prob.
1838 * doc/invoke.texi (-fdump-rtl-bp): Remove.
1840 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1842 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
1843 * rtl.h (LABEL_NEXTREF): Remove field accessor.
1845 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
1847 * function.h (frame_offset_overflow): Declare.
1848 * function.c (frame_offset_overflow): New function.
1849 (assign_stack_local_1): Call it to detect that the offset overflows.
1850 * cfgexpand.c (alloc_stack_frame_space): Likewise.
1852 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1854 * config/sh/sh.c: Include alloc-pool.h.
1855 (label_ref_list_pool): New alloc pool.
1856 (label_ref_list_t): New type for lists of labels.
1857 (struct pool_node): Make wend a label_ref_list_t.
1858 (add_constant): Use the new type, eradicate LABEL_NEXTREF
1860 (dump_table): Likewise.
1861 (sh_reorg): Set up the alloc pool before using add_constant and
1862 dump_table, and destroy it when finishing.
1864 2006-03-11 Richard Sandiford <richard@codesourcery.com>
1866 * config/mips/mips.c: Remove redundant comment.
1868 2006-03-10 Jason Merrill <jason@redhat.com>
1871 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
1872 the target was declared 'register'.
1874 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
1876 * genpreds.c (write_insn_constraint_len): Change definition of
1877 insn_constraint_len to return size_t to match the declaration.
1879 2006-03-10 DJ Delorie <dj@redhat.com>
1881 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
1883 (m32c_expand_insv): Fix test for an AND mask.
1885 2006-03-10 Richard Guenther <rguenther@suse.de>
1888 * builtins.c (get_pointer_alignment): Handle component
1889 references for field alignment.
1891 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1893 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
1894 when building with libgloss.
1895 (sh*elf): Implement --without-fp option.
1896 (sh64-superh-linux*): Don't multilib.
1898 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1900 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
1902 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
1904 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
1905 Set it when one of the replacement functions returned true.
1906 Return TODO_cleanup_cfg if cfgchanged is true.
1907 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
1909 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
1911 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
1912 instead of gen_lowpart.
1914 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1916 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
1918 (mips_output_order_conditional_branch): Declare.
1919 * config/mips/mips.h (MIPS_BRANCH): New macro.
1920 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
1921 for the comparison. Use gen_condjump.
1922 (mips_output_conditional_branch): Rework interface to take the
1923 asm templates for a direct branch and the inverse of a direct branch.
1924 (mips_output_order_conditional_branch): New function.
1925 (mips_builtin_branch_and_move): New function.
1926 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
1927 branch condition. Use gen_single_cc as the condition for
1928 __builtin_mips_upper_* or __builtin_mips_lower_*.
1929 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
1930 Use VOIDmode for the branch condition.
1931 * config/mips/predicates.md (order_operator): New predicate.
1932 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
1933 (branch_fp): Rename to...
1934 (*branch_fp): ...this. Remove mode from comparison operator.
1935 Use new mips_output_conditional_branch interface.
1936 (branch_fp_inverted): Rename to...
1937 (*branch_fp_inverted): ...this and update as for *branch_fp.
1938 (*branch_zero<mode>): Rename to...
1939 (*branch_order<mode>): ...this. Remove mode from comparison operator.
1940 Use mips_output_order_conditional_branch. Only accept ordered
1942 (*branch_zero<mode>_inverted): Rename to...
1943 (*branch_order<mode>_inverted): ...this and update as for
1944 *branch_order<mode>.
1945 (*branch_equality<mode>): Accept zero as the second operand to
1946 the equality operator. Use the new mips_output_conditional_branch
1948 (*branch_equality<mode>_inverted): Likewise.
1949 (condjump): New expander.
1950 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
1952 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
1953 (bc1any2t, bc1any2f): Likewise.
1954 (single_cc): New expander.
1955 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
1957 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1959 * doc/md.texi: Update documentation of MIPS constraints.
1960 * config/mips/constraints.md: New file.
1961 * config/mips/mips.md: Include it.
1962 * config/mips/mips.c (mips_char_to_class): Delete.
1963 (override_options): Don't initialize mips_char_to_class.
1964 * config/mips/mips.h (mips_char_to_class): Delete.
1965 (REG_CLASS_FROM_LETTER): Delete.
1966 (CONST_OK_FOR_LETTER_P): Delete.
1967 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1968 (EXTRA_CONSTRAINT_Y): Delete.
1969 (EXTRA_CONSTRAINT_STR): Delete.
1970 (CONSTRAINT_LEN): Delete.
1971 (EXTRA_MEMORY_CONSTRAINT): Delete.
1973 2006-03-09 Diego Novillo <dnovillo@redhat.com>
1975 * tree-cfg.c (move_block_to_fn): Remove the statements from the
1976 original fn's eh regions.
1978 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
1980 * fold-const.c (build_range_check): Make sure to use a valid type to
1981 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
1984 (range_predecessor): New static function.
1985 (range_successor): Likewise.
1986 (merge_ranges): Use them to compute predecessors and successors of
1989 2006-03-09 Roger Sayle <roger@eyesopen.com>
1992 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
1993 X op C3, consider whether C3 overflows towards +Inf or -Inf.
1995 2006-03-08 DJ Delorie <dj@redhat.com>
1997 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
1998 (addpsi3): Expand to include memory operands. Remove
1999 reload-specific splits.
2000 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2001 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2002 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2003 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2004 (shift1_qi, shift1_hi, insv): New.
2005 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2006 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2007 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2009 * config/m32c/m32c-protos.h: Update as needed.
2010 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2011 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2012 Fail for unrecognized R* constraints.
2013 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2014 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2015 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2017 (m32c_init_libfuncs): New.
2018 (m32c_legitimate_address_p): Add debug wrapper.
2019 (m32c_rtx_costs): New.
2020 (m32c_address_cost): New.
2021 (conversions): Add 'B' prefix.
2022 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2023 operands, or word regnames for QI operands. 'B' prints bit
2025 (m32c_expand_setmemhi): New.
2026 (m32c_expand_movmemhi): New.
2027 (m32c_expand_movstr): New.
2028 (m32c_expand_cmpstr): New.
2029 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2030 (m32c_expand_neg_mulpsi3): Handle non-ints.
2031 (m32c_cmp_flg_0): New.
2032 (m32c_expand_movcc): New.
2033 (m32c_expand_insv): New.
2034 (m32c_scc_pattern): New.
2035 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2036 a0/a1 out of SIregs.
2037 (STORE_FLAG_VALUE): New.
2038 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2041 * config/m32c/mov.md: Make constraints more liberal.
2042 (zero_extendqihi2): Optimize r0/r1 case.
2043 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2044 * config/m32c/predicates.md (m32c_any_operand): New.
2045 (m32c_nonimmediate_operand): New.
2046 (m32c_hl_operand): New.
2047 (m32c_r3_operand): New.
2050 (memsym_operand): New.
2051 (memimmed_operand): New.
2052 (a_qi_operand): New.
2053 (m32c_eqne_operator): New.
2054 (m32c_1bit8_operand): New.
2055 (m32c_1bit16_operand): New.
2056 (m32c_1mask8_operand): New.
2057 (m32c_1mask16_operand): New.
2058 * config/m32c/blkmov.md: New file.
2059 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2061 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2063 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2064 unsigned to fix signed/unsigned comparison issue in
2065 DWARF2_FRAME_REG_OUT.
2066 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2067 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2069 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2070 of ptr into the ENABLE_CHECKING section.
2072 2006-03-08 Jeff Law <law@redhat.com>
2074 * tree-vrp.c (infer_value_range): Only count pointer uses
2075 and dereferences if -fdelete-null-pointer-checks is enabled.
2077 * tree-vrp.c (find_assert_locations): Infer value ranges for
2078 single use pointers, but do not create ASSERT_EXPRs for them.
2079 When a non-null range is inferred for a pointer, backwards
2080 propagate that range to other equivalent pointers through the
2083 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2086 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2087 language hook targets.
2088 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2089 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2090 if language hook targets were missing.
2092 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2094 * tree-ssa-opfinalize.h: Removed.
2095 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2097 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2098 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2099 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2100 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2101 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2102 finalize_ssa_v_must_def_ops): New.
2104 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2106 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2109 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2111 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2113 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2114 addresses with offsets; reorganize.
2116 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2117 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2118 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2120 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2123 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2125 2006-03-08 Ben Elliston <bje@au.ibm.com>
2127 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2129 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2132 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2135 2006-03-07 Richard Guenther <rguenther@suse.de>
2137 PR tree-optimization/26587
2138 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2140 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2142 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2144 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2146 * hooks.c (hook_bool_mode_rtx_true): New function.
2147 * hooks.h (hook_bool_mode_rtx_true): Declare.
2148 * toplev.c (compile_file): Call output_shared_constant_pool.
2149 * varasm.c (shared_constant_pool): New variable.
2150 (assemble_start_function, assemble_end_function): Remove arguments
2151 from call to output_constant_pool.
2152 (create_constant_pool): New function, split out from...
2153 (init_varasm_status): ...here.
2154 (force_const_mem): Choose between the shared and per-function constant
2155 pools. Set current_function_uses_const_pool when reusing old entries
2156 as well as when creating new ones.
2157 (mark_constant): Ignore data argument.
2158 (mark_constants): Remove pool argument.
2159 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2160 to decide whether the function uses a constant pool.
2161 (output_constant_pool_contents): New function, split out from...
2162 (output_constant_pool): ...here.
2163 (output_shared_constant_pool): New function.
2164 (init_varasm_once): Initialize shared_constant_pool.
2165 * output.h (output_constant_pool): Delete.
2166 (output_shared_constant_pool): Declare.
2167 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2168 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2170 2006-03-06 Nick Clifton <nickc@redhat.com>
2172 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2173 flag_strength_reduce.
2175 2006-03-06 Ben Elliston <bje@au.ibm.com>
2177 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2178 x86_64-*-linux* configurations.
2180 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2181 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2183 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2185 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2187 * basic-block.h: Remove the extern for
2188 rediscover_loops_after_threading.
2190 * cfgloop.c (cancel_loop): Make it static.
2191 * cfgloop.h: Remove the prototype for cancel_loop.
2193 * flow.c (recompute_reg_usage): Make it static.
2194 * rtl.h: Remove the prototype for recompute_reg_usage.
2196 * function.c (use_return_register): Make it static.
2197 * function.h: Remove the prototype.
2199 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2201 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2203 * recog.h: Remove the prototype for
2204 validate_change_maybe_volatile.
2206 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2208 * rtlanal.c (replace_reg): Remove.
2209 * rtl.h: Remove the prototype for replace_reg.
2211 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2213 * regclass.c (reg_scan_update): Remove.
2214 (reg_scan_mark_refs): Remove the last argument.
2215 * rtl.h: Remove the prototype for reg_scan_update.
2217 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2219 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2220 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2221 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2222 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2223 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2224 loop-invariant.c, omp-low.c, opts.c, passes.c,
2225 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2226 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2227 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2228 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2229 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2230 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2232 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2234 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2235 * dwarf2out.h: Remove the prototype for
2236 dwarf2out_add_library_unit_info.
2238 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2240 * tree.c (add_var_to_bind_expr): Remove.
2241 * tree.h: Remove the prototype for add_var_to_bind_expr.
2243 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2245 * regclass.c (n_non_fixed_regs): Remove.
2246 (init_reg_sets_1, globalize_reg): Remove all uses of
2248 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2250 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2252 * rtlanal.c (insns_safe_to_move_p): Remove.
2253 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2255 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2257 * expmed.c (expand_mult_add): Remove.
2258 * expr.h: Remove the prototype for expand_mult_add.
2260 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2262 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2263 and REG_SAVED_VAL_EXP constants.
2264 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2265 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2266 Handle regs stored by value.
2267 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2268 (execute_cfa_program): Handle DW_CFA_val_offset,
2269 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2270 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2271 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2272 (uw_install_context_1): Handle target regs stored by value.
2274 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2276 * tree-sra.c (tree_sra): Return todoflags;
2277 (generate_one_element): Set TODO_update_smt_usage if needed.
2278 (pass_sra): Remove TODO_update_smt_usage.
2279 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2281 (tree_ssa_forward_propagate_single_use_vars): Return
2282 TODO_update_smt_usage if we need to update SMT usage.
2283 (pass_forwprop): Remove TODO_update_smt_usage.
2285 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2287 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2288 (correct_use_link): Remove reference to get_stmt_operands.
2289 (update_stmt_operands): Likewise.
2290 (get_modify_expr_operands): New function factored out of
2291 parse_ssa_operands and get_expr_operands.
2292 Try to create V_MUST_DEFs for LHS by default.
2293 (get_expr_operands) <case MODIFY_EXPR>: Call
2294 get_modify_expr_operands.
2295 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2296 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2297 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2298 get_modify_expr_operands.
2300 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2302 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2303 * tree-flow.h: Remove the prototype for
2304 referenced_var_lookup_if_exists.
2306 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2308 PR rtl-optimization/26345
2310 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2312 2006-03-03 Roger Sayle <roger@eyesopen.com>
2314 PR tree-optimization/26524
2315 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2316 fold_convert to create a constant of the appropriate type.
2318 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2320 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2321 SYMBOL_REF_IN_BLOCK_P.
2322 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2323 of SYMBOL_FLAG_IN_BLOCK.
2324 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2325 instead of SYMBOL_REF_IN_BLOCK_P.
2326 * explow.c (use_anchored_address): Likewise.
2327 * rtl.c (rtx_size): Likewise.
2328 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2329 instead of SYMBOL_FLAG_IN_BLOCK.
2330 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2331 SYMBOL_REF_IN_BLOCK_P.
2332 (assemble_variable): Likewise.
2333 (output_constant_def_contents): Likewise.
2334 (output_constant_pool): Likewise.
2335 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2336 instead of SYMBOL_FLAG_IN_BLOCK.
2337 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2338 SYMBOL_REF_IN_BLOCK_P.
2339 (SYMBOL_REF_BLOCK): Likewise.
2340 (SYMBOL_REF_OFFSET): Likewise.
2341 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2342 SYMBOL_REF_IN_BLOCK_P.
2343 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2344 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2345 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2346 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2348 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2350 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2352 2006-03-02 Roger Sayle <roger@eyesopen.com>
2354 * simplify-rtx.c (simplify_unary_operation): When simplifying
2355 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2356 that we perform the right shift in the appropriate mode, and
2357 then extend or truncate the result to requested mode.
2359 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2361 * gengtype.c (main): Handle double_int type.
2362 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2363 * double-int.c: New file.
2364 * double-int.h: New file.
2365 * system.h: Include doubleint.h.
2366 * Makefile.in (SYSTEM_H): Include double-int.h.
2367 (double-int.o): Add.
2369 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2372 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2375 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2377 * tree-vrp.c (remove_range_assertions): Do not update statements
2380 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2382 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2384 * gcse.c (rest_of_handle_gcse): Ditto.
2385 * except.c (gate_handle_eh): Ditto.
2386 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2387 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2389 2006-03-02 Eric Christopher <echristo@apple.com>
2391 * config/i386/i386.c (machopic_output_stub): Add indirection to
2394 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2398 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2400 Sun Niagara specific optimizations.
2401 * config.gcc: Recognize niagara as target.
2402 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2403 (TARGET_CPU_niagara): Define.
2404 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2405 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2406 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2407 (ASM_CPU_SPEC): Likewise.
2408 (PROCESSOR_NIAGARA): New enum entry.
2409 (REGISTER_MOVE_COST): Handle Niagara.
2410 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2411 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2412 (sparc_override_options): Recognize "niagara", set appropriate
2413 default MASK_* values for it, and align functions to 32-bytes
2414 by default just like ULTRASPARC/ULTRASPARC3.
2415 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2416 (sparc64_initialize_trampoline): Likewise.
2417 (sparc_use_sched_lookahead): Use zero for niagara.
2418 (sparc_issue_rate): Use one for niagara.
2419 * config/sparc/niagara.md: New file.
2420 * config/sparc/sparc.md: Include it.
2421 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2422 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2423 when default cpu is niagara.
2424 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2425 (ASM_CPU_SPEC): Likewise.
2426 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2427 when default cpu is niagara.
2428 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2429 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2430 just like v9/ultrasparc/ultrasparc3.
2431 * doc/invoke.texi: Add documentation for "niagara" and improve
2432 existing documentation for ultrasparc variants.
2434 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2436 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2438 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2440 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2441 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2442 and say that only one is needed.
2443 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2444 * target.h (have_switchable_bss_sections): New hook.
2445 * explow.c (use_anchored_address): Check that the symbol is in a block.
2446 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2447 (bss_noswitch_section): New variables.
2448 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2449 (get_noswitch_section): New function.
2450 (get_block_for_section): Allow SECT to be null.
2451 (unlikely_text_section_p): Use SECTION_STYLE.
2452 (bss_initializer_p): New function.
2453 (get_variable_section): Move earlier in file. Take a new argument,
2454 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2455 Return one of the new *_sections in such cases.
2456 (get_block_for_decl): New function, extracting some logic from
2457 use_blocks_for_decl_p.
2458 (change_symbol_section): Remove in favor of...
2459 (change_symbol_block): ...this new function.
2460 (use_blocks_for_decl_p): Remove checks now performed by
2462 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
2463 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
2464 (emit_local, emit_bss, emit_common): ...these new functions.
2465 Return true if the alignment was honored.
2466 (emit_tls_common): New function.
2467 (asm_emit_uninitialised): Delete.
2468 (assemble_variable_noswitch): New function, split out from...
2469 (assemble_variable): ...here. Don't make decisions about common
2470 variables here. Globalize all public decls that go into non-common
2471 sections. Check whether SYMBOL_REF_BLOCK is null.
2472 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
2473 (output_constant_pool): Likewise.
2474 (init_varasm_once): Initialize the new section variables.
2475 (have_global_bss_p): New function.
2476 (categorize_decl_for_section): Use bss_initializer_p.
2477 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
2478 (place_block_symbol): Assert that the symbol must be in a block.
2479 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
2480 (TARGET_INITIALIZER): Include it.
2481 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
2482 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
2483 (SECTION_MACH_DEP): Bump by two.
2484 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
2485 (unnamed_section): Mention SECTION_UNNAMED in comment.
2486 (named_section): Likewise SECTION_NAMED.
2487 (noswitch_section_callback): New type.
2488 (noswitch_section): New structure.
2489 (section): Add a noswitch_section alternative.
2490 (SECTION_STYLE): New macro.
2491 (tls_comm_section, comm_section, lcomm_section): Declare.
2492 (bss_noswitch_section, have_global_bss_p): Declare.
2493 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2494 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2496 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2497 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2500 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
2502 * gcc/tree-vrp.c (execute_vrp): Return value.
2503 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
2504 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
2505 * gcc/tree-complex.c (tree_lower_complex): Ditto.
2506 (tree_lower_complex_O0): Ditto.
2507 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
2508 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
2509 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
2510 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
2511 (execute_tail_calls): Ditto.
2512 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2513 * gcc/tree.h (init_function_for_compilation): Ditto.
2514 * gcc/ipa-cp.c (ipcp_driver): Ditto.
2515 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
2516 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
2517 * gcc/final.c (compute_alignments): Ditto.
2518 (rest_of_handle_final): Ditto.
2519 (rest_of_handle_shorten_branches): Ditto.
2520 (rest_of_clean_state): Ditto.
2521 * gcc/omp-low.c (execute_expand_omp): Ditto.
2522 (execute_lower_omp): Ditto.
2523 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
2524 * gcc/ipa-reference.c (static_execute): Ditto.
2525 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
2526 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
2527 (rest_of_handle_machine_reorg): Ditto.
2528 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
2529 * gcc/flow.c (recompute_reg_usage): Ditto.
2530 (rest_of_handle_remove_death_notes): Ditto.
2531 (rest_of_handle_life): Ditto.
2532 (rest_of_handle_flow2): Ditto.
2533 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
2534 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
2535 (do_ssa_store_ccp): Ditto.
2536 (execute_fold_all_builtins): Ditto.
2537 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
2538 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
2539 * gcc/ipa-pure-const.c (static_execute): Ditto.
2540 * gcc/cse.c (rest_of_handle_cse): Ditto.
2541 (rest_of_handle_cse2): Ditto.
2542 * gcc/web.c (rest_of_handle_web): Ditto.
2543 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
2544 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
2545 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2546 * gcc/tree-nrv.c (tree_nrv): Ditto.
2547 (execute_return_slot_opt): Ditto.
2548 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
2549 (create_structure_vars): Ditto.
2550 * gcc/loop-init.c (rtl_loop_init): Ditto.
2551 (rtl_loop_done): Ditto.
2552 (rtl_move_loop_invariants): Ditto.
2553 (rtl_unswitch): Ditto.
2554 (rtl_unroll_and_peel_loops): Ditto.
2555 (rtl_doloop): Ditto.
2556 * gcc/gimple-low.c (lower_function_body): Ditto.
2557 (mark_used_blocks): Ditto.
2558 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
2559 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
2560 (cgraph_early_inlining): Ditto.
2561 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
2562 * gcc/jump.c (cleanup_barriers): Ditto.
2563 (purge_line_number_notes): Ditto.
2564 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
2565 (rest_of_handle_if_after_reload): Ditto.
2566 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
2567 (tree_ssa_loop_im): Ditto.
2568 (tree_ssa_loop_unswitch): Ditto.
2569 (tree_vectorize): Ditto.
2570 (tree_linear_transform): Ditto.
2571 (tree_ssa_loop_ivcanon): Ditto.
2572 (tree_ssa_empty_loop): Ditto.
2573 (tree_ssa_loop_bounds): Ditto.
2574 (tree_complete_unroll): Ditto.
2575 (tree_ssa_loop_prefetch): Ditto.
2576 (tree_ssa_loop_ivopts): Ditto.
2577 (tree_ssa_loop_done): Ditto.
2578 * gcc/predict.c (tree_estimate_probability): Ditto.
2579 * gcc/recog.c (split_all_insns_noflow): Ditto.
2580 (rest_of_handle_peephole2): Ditto.
2581 (rest_of_handle_split_all_insns): Ditto.
2582 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
2583 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
2584 (rest_of_handle_stack_adjustments): Ditto.
2585 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
2586 * gcc/function.c (instantiate_virtual_regs): Ditto.
2587 (init_function_for_compilation): Ditto.
2588 (rest_of_handle_check_leaf_regs): Ditto.
2589 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
2590 (rest_of_handle_gcse): Ditto.
2591 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
2592 * gcc/alias.c (rest_of_handle_cfg): Ditto.
2593 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
2594 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
2595 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
2596 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
2597 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
2598 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
2599 * gcc/except.c (set_nothrow_function_flags): Ditto.
2600 (convert_to_eh_region_ranges): Ditto.
2601 (rest_of_handle_eh): Ditto.
2602 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
2603 (remove_unnecessary_notes): Ditto.
2604 * gcc/except.h (set_nothrow_function_flags): Ditto.
2605 (convert_to_eh_region_ranges): Ditto.
2606 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
2607 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
2608 * gcc/tree-ssa-pre.c (do_pre): Ditto.
2609 (execute_fre): Ditto.
2610 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
2611 (rest_of_handle_jump2): Ditto.
2612 * gcc/tree-sra.c (tree_sra): Ditto.
2613 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
2614 (execute_mudflap_function_decls): Ditto.
2615 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
2616 (do_store_copy_prop): Ditto.
2617 * gcc/ipa-prop.h (ipcp_driver): Ditto.
2618 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
2619 * gcc/tree-ssa-forwprop.c
2620 (tree_ssa_forward_propagate_single_use_vars): Ditto.
2621 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
2622 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
2623 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
2624 (execute_late_warn_uninitialized): Ditto.
2625 * gcc/rtl.h (cleanup_barriers): Ditto.
2626 (split_all_insns_noflow): Ditto.
2627 (purge_line_number_notes): Ditto.
2628 (unshare_all_rtl): Ditto.
2629 (remove_unnecessary_notes): Ditto.
2630 (recompute_reg_usage): Ditto.
2631 (variable_tracking_main): Ditto.
2632 * gcc/integrate.c (emit_initial_value_sets): Ditto.
2633 * gcc/integrate.h (emit_initial_value_sets): Ditto.
2634 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
2635 (execute_free_cfg_annotations): Ditto.
2636 (execute_fixup_cfg): Ditto.
2637 (execute_cleanup_cfg_pre_ipa): Ditto.
2638 (execute_cleanup_cfg_post_optimizing): Ditto.
2639 (execute_init_datastructures): Ditto.
2640 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
2641 * gcc/combine.c (rest_of_handle_combine): Ditto.
2642 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
2643 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
2644 (rest_of_handle_reorder_blocks): Ditto.
2645 (rest_of_handle_partition_blocks): Ditto.
2646 * gcc/var-tracking.c (variable_tracking_main): Ditto.
2647 * gcc/tree-profile.c (tree_profiling): Ditto.
2648 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
2649 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
2650 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
2651 (rest_of_handle_sched2): Ditto.
2652 * gcc/basic-block.h (free_bb_insn): Ditto.
2653 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
2654 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
2655 (remove_useless_stmts): Ditto.
2656 (split_critical_edges): Ditto.
2657 (execute_warn_function_return): Ditto.
2658 (execute_warn_function_noreturn): Ditto.
2659 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
2660 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
2661 * gcc/passes.c (execute_one_pass): Run additional
2662 todos returned by execute function.
2663 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
2666 2006-03-02 Richard Guenther <rguenther@suse.de>
2668 * tree-ssa-alias.c (find_used_portions): Consider taking
2669 the address as making the variable not write-only.
2671 2006-03-02 Nick Clifton <nickc@redhat.com>
2673 * config.gcc (default_use_cxa_atexit): Extend the description of
2674 this configure variable. Set its default value to "yes" for
2675 Linux, NetBSD and ELF targets on the assumption that they will
2676 use C libraries with the __cxa_atexit function.
2678 2006-03-02 Ben Elliston <bje@au.ibm.com>
2680 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
2681 parameter as unused to suppress a build warning.
2683 2006-03-02 Ben Elliston <bje@au.ibm.com>
2685 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
2688 2006-03-01 Roger Sayle <roger@eyesopen.com>
2691 * gthr-posix.h (__gthrw2): Define to take three parameters, the
2692 declared name, the weak reference name, and the typeof name.
2693 (__gthrw): Avoid expanding the declared name suffix.
2694 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
2696 2006-03-01 Jakub Jelinek <jakub@redhat.com>
2698 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
2700 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
2701 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
2702 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
2703 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
2704 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
2705 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
2706 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
2707 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
2708 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
2709 DW_DS_leading_separate, DW_DS_trailing_separate): New.
2710 (DW_END_default, DW_END_big, DW_END_little): New.
2711 (DW_END_lo_user, DW_END_hi_user): Define.
2712 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
2713 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
2714 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
2717 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2719 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
2721 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
2723 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
2725 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
2727 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
2728 to 'symbol_mem_tag'.
2730 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
2733 2006-03-01 Roger Sayle <roger@eyesopen.com>
2735 * builtins.c (fold_builtin_copysign): Delete unreachable code.
2737 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2740 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
2741 MACHO_DYNAMIC_NO_PIC_P.
2742 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
2744 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2747 * config/darwin-protos.h (darwin_asm_output_anchor):
2749 * config/darwin-sections.def (cstring_section):
2750 Add SECTION_MERGE to the flags.
2751 (literal4_section): Likewise.
2752 (literal8_section): Likewise.
2753 (objc_selector_refs_section): Likewise.
2754 (objc_cls_refs_section): Likewise.
2755 * config/darwin.c (darwin_asm_output_anchor): New
2757 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2759 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
2761 Fix PR tree-optimization/26443
2762 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
2763 to todo and PROP_tmt_usage to properties_destroyed.
2764 * tree-ssa-ccp.c (pass_ccp): Ditto.
2765 (pass_store_ccp): Ditto.
2766 * tree-ssa-dom.c (pass_dominator): Ditto.
2768 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2770 * tree-ssa-operands.c: Cleanup whitespace.
2771 (get_asm_expr_operands): Move before first invocation.
2772 (get_indirect_ref_operands): Likewise.
2773 (get_tmr_operands): Likewise.
2774 (get_call_expr_operands): Likewise.
2775 (append_def): Likewise.
2776 (append_use): Likewise.
2777 (append_v_may_def): Likewise.
2778 (append_v_must_def): Likewise.
2779 (add_call_clobber_ops): Likewise.
2780 (add_call_read_ops): Likewise.
2781 (add_stmt_operand): Likewise.
2782 (add_virtual_operand): Likewise.
2783 (build_ssa_operands): Likewise.
2785 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2790 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2791 with a call expr to ...
2792 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2794 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2796 * tree-vrp.c (extract_range_from_assert): Remove special
2797 handling for types with super-types.
2799 2006-03-01 Ben Elliston <bje@au.ibm.com>
2801 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
2802 and powerpc64-*-linux* configurations.
2803 * config/t-dfprules: New file.
2805 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
2806 Compile dfp-bit.c from the source directory using -DWIDTH and
2807 $DFP_CFLAGS to control the compilation of that file, rather than
2808 generating width-specific versions in the build directory.
2809 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
2810 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
2812 2006-02-28 Zack Weinberg <zackw@panix.com>
2814 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
2817 2006-02-28 Eric Christopher <echristo@apple.com>
2819 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
2820 Set up IN_LIBGCC definition of TARGET_64BIT.
2821 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
2823 2006-02-28 Roger Sayle <roger@eyesopen.com>
2826 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
2827 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
2828 cases via the construction of "expr != 0".
2830 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2832 * alias.c (alias_invariant, alias_invariant_size): Remove.
2833 (record_base_value): Remove.
2834 (memrefs_conflict_p): Don't look at alias_invariant.
2835 (end_alias_analysis): Don't free it.
2836 * alias.h (record_base_value): Remove prototype.
2838 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
2839 Adam Nemet <anemet@caviumnetworks.com>
2841 * rtl.h (truncated_to_mode): Declare it.
2842 (struct rtl_hooks): Add reg_truncated_to_mode hook.
2843 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
2844 (RTL_HOOKS_INITIALIZER): Include it.
2845 * rtlhooks.c (reg_truncated_to_mode_general): New function.
2846 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
2847 reg_truncated_to_mode.
2848 * rtlanal.c (truncated_to_mode): Define it.
2849 * simplify-rtx.c (simplify_unary_operation_1): Use it.
2851 2006-02-28 Jeff Law <law@redhat.com>
2853 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
2854 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
2855 the range allowed by TYPE_PRECISION.
2857 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
2859 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
2861 PR tree-optimization/26419
2862 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
2865 2006-02-27 Zack Weinberg <zackw@panix.com>
2867 * doc/md.texi: Fix typo in previous change.
2869 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
2873 2006-02-27 Zack Weinberg <zackw@panix.com>
2875 * rtl.def (define_constraint, define_register_constraint)
2876 (define_memory_constraint, define_address_constraint): New MD forms.
2877 * gensupport.c (process_rtx): Put define_constraint etc on the
2879 * genpreds.c (process_define_predicate): Adjust comment. Validate
2880 the name, and call validate_exp to validate the expression.
2881 (mark_mode_tests, write_extract_subexp): Can assume correct input.
2882 (write_predicate_expr): Likewise. NAME argument no longer necessary;
2883 all callers changed.
2884 (validate_exp, needs_variable, struct constraint_data)
2885 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
2886 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
2887 (const_dbl_constraints, constraint_max_namelen)
2888 (have_register_constraints, have_memory_constraints)
2889 (have_address_constraints, have_address_constraints)
2890 (have_extra_constraints, have_const_int_constraints)
2891 (have_const_dbl_constraints, mangle, add_constraint)
2892 (process_define_constraint, process_define_register_constraint)
2893 (write_enum_constraint_num, write_lookup_constraint)
2894 (write_insn_constraint_len, write_regclass_for_constraint)
2895 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
2896 (write_insn_extra_memory_constraint)
2897 (write_insn_extra_address_constraint)
2898 (write_satisfies_constraint_fns): New.
2899 (write_tm_preds_h): If we have new-style constraint definitions,
2900 prototype the functions generated from them, and define the
2901 old constraint interface (still used by generic code) in terms of
2903 (write_insn_preds_c): If we have new-style constraint definitions,
2904 generate all relevant functions from those definitions.
2905 (main): Handle define_constraint etc.
2906 * genoutput.c (struct constraint_data, indep_constraints)
2907 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
2908 (mdep_constraint_len): New data structures and functions, defined
2909 #ifdef USE_MD_CONSTRAINTS.
2910 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
2911 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
2912 use new logic to validate operand constraints against constraint
2914 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
2916 * defaults.h: If none of the old-style constraint macros are
2917 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
2918 old-style macros; and poison REG_CLASS_FROM_LETTER,
2919 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
2921 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
2922 * doc/md.texi: Document new constraint-definition mechanism and the
2923 C interface it provides. Remove references to old mechanism
2924 elsewhere in the document.
2925 (Machine Constraints): Use pathnames relative to gcc directory,
2926 i.e. config/ARCH/FILE. Change i386 section to refer to
2927 config/i386/predicates.md; update that section to match docstrings.
2928 * doc/tm.texi: Move all documentation of the old constraint-
2929 definition macros to their own section, clearly mark as obsolete.
2931 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
2932 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
2934 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
2935 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2936 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
2938 (splits and peepholes): Use satisfies_constraint_*.
2939 * config/i386/i386.c (memory_address_length)
2940 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
2942 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2944 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
2945 scalar operation to be put back into the loop.
2947 2006-02-27 Jakub Jelinek <jakub@redhat.com>
2950 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
2951 (extract_cie_info): Handle S flag in augmentation string.
2952 (execute_cfa_program): If context->signal_frame, execute also
2953 fs->pc == context->ra instructions.
2954 (uw_frame_state_for): If context->signal_frame, don't subtract one
2955 from context->ra to find FDE.
2956 (uw_update_context_1): Set context->signal_frame to
2958 (_Unwind_GetIPInfo): New function.
2959 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
2960 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
2962 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
2963 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
2964 * unwind-compat.c (_Unwind_GetIPInfo): New function.
2965 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
2966 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
2967 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
2968 * config/i386/linux-unwind.h (x86_fallback_frame_state,
2969 x86_64_fallback_frame_state): Set fs->signal_frame.
2970 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
2971 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
2972 (frob_update_context): Likewise. Workaround missing S flag in
2973 Linux 2.6.12 - 2.6.16 kernel vDSOs.
2974 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
2975 Remove the psw_addr + 1 hack.
2977 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2979 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
2980 with aggregates here.
2981 (find_func_aliases): Remove code for &<aggregate> from here.
2983 2006-02-26 Roger Sayle <roger@eyesopen.com>
2985 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
2986 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
2987 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
2990 2006-02-26 Roger Sayle <roger@eyesopen.com>
2993 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
2995 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
2997 * opts.c (decode_options): Do not handle flag_strength_reduce.
2998 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
2999 and OPT_fstrength_reduce.
3000 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3001 flag_prefetch_loop_arrays for being nonzero.
3002 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3004 (fprefetch-loop-arrays-rtl): Removed.
3005 (flag_prefetch_loop_arrays): Do not specify the value.
3007 * doc/passes.texi: Update documentation of loop optimizer
3009 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3010 -frerun-loop-opt): Remove.
3012 2006-02-26 Richard Guenther <rguenther@suse.de>
3014 PR tree-optimization/26421
3015 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3016 in function calls that are ADDR_EXPRs as using the whole structure.
3018 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3020 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3021 * tree-pass.h (pass_loop_optimize): Remove.
3022 * passes.c (pass_loop_optimize): Never run it.
3023 * toplev.c (backend_init): Don't call init_loop.
3024 * opts.c (flag_loop_optimize_set): Remove.
3025 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3026 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3027 the old RTL loop optimizer when profiling enabled.
3028 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3029 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3030 pre-headers for the sake of the old RTL loop optimizer.
3031 * Makefile.in: Remove all references to loop.o.
3033 * doc/invoke.texi: Remove all references to -floop-optimize
3034 and -frerun-loop-opt.
3036 2006-02-26 Zack Weinberg <zackw@panix.com>
3038 * doc/md.texi (Machine Constraints): Refer to all files with paths
3039 relative to gcc directory (i.e. config/CPU/file). Add missing
3040 @table @code ... @end table to M32C subsection.
3042 2006-02-26 Roger Sayle <roger@eyesopen.com>
3044 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3046 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3048 2006-02-26 Roger Sayle <roger@eyesopen.com>
3049 James A. Morrison <phython@gcc.gnu.org>
3052 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3053 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3054 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3055 signedness of the shift operation.
3057 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3059 PR tree-optimization/26359
3060 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3062 2006-02-25 Roger Sayle <roger@eyesopen.com>
3064 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3065 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3066 as X == 0, and some symmetry related transformations.
3067 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3069 2006-02-25 Roger Sayle <roger@eyesopen.com>
3072 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3073 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3074 symmetry related transformations. Fold (X^C1) == C2 as
3077 2006-02-25 Juergen Weigert <jw@suse.de>
3078 Richard Guenther <rguenther@suse.de>
3080 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3082 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3084 * combine.c (gen_lowpart_or_truncate): Call
3085 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3087 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3089 * doc/invoke.texi: Move -fopenmp description to "Options for
3091 Remove reference to -lgomp.
3093 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3095 * doc/install.texi: Require GNU tar version 1.14.
3097 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3099 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3100 * doc/invoke.texi (C++ Dialect Options): Document
3101 -fno-use-cxa-get-exception-ptr.
3102 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3103 * configure: Regenerate.
3104 * c.opt (fuse-cxa-get-exception-ptr): New.
3105 * c-opts.c (c_common_handle_option): Handle
3106 OPT_fuse_cxa_get_exception_ptr.
3107 * c-common.c (flag_use_cxa_atexit): Update documentation.
3108 (flag_use_cxa_get_exception_ptr): New.
3109 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3110 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3112 (C_COMMON_OVERRIDE_OPTIONS): New.
3114 2006-02-24 Roger Sayle <roger@eyesopen.com>
3117 * combine.c (try_combine): Explicitly check whether GET_CODE is
3118 a SET or a CLOBBER, instead on checking that it isn't a USE.
3120 2006-02-24 Roger Sayle <roger@eyesopen.com>
3122 * fold-const.c (fold_comparison): New subroutine of fold_binary
3123 containing transformations common to both the equality and
3124 ordering relational operators, factored out of fold_binary.
3125 (fold_binary): Separate out the equality operators (EQ_EXPR
3126 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3127 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3128 transformations common to both.
3129 (fold_div_compare): Fix latent bugs in the previously unreachable
3130 LT_EXPR and GE_EXPR cases.
3132 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3134 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3135 decl libname for clog to __clog on AIX.
3137 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3139 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3142 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3143 output traceback table for thunks. Localise rs6000_stack_info call.
3145 2006-02-23 Roger Sayle <roger@eyesopen.com>
3146 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3148 * gthr-posix.h (__gthrw): Fix typo in comment.
3150 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3152 * doc/cpp.texi (Character sets): Document that we do support
3153 input files to be in any character set.
3155 2006-02-23 Jeff Law <law@redhat.com>
3157 * tree.h (PHI_ARG_NONZERO): Remove.
3158 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3159 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3160 node to the new node.
3162 PR tree-optimization/26425
3163 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3164 min/max, then assume its varying.
3166 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3168 PR rtl-optimization/26316
3169 * rtlanal.c (enum may_trap_p_flags): New.
3170 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3171 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3172 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3173 (may_trap_after_code_motion_p): New function.
3174 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3175 (find_invariant_insn): Use may_trap_after_code_motion_p.
3176 * rtl.h (may_trap_after_code_motion_p): Declare.
3178 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3180 * emit-rtl.c (immed_double_const): Cleanup.
3182 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3184 Fix PR tree-optimization/26376
3185 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3188 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3191 * gimplify.c (omp_add_variable): Guard variable size decl test with
3192 DECL_SIZE (decl) check.
3194 2006-02-23 Richard Guenther <rguenther@suse.de>
3197 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3198 like aggregate types.
3200 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3202 * configure.ac: Add --with{,out}-long-double-128 configure option.
3203 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3204 * configure: Rebuilt.
3205 * config.in: Rebuilt.
3206 * doc/install.texi (Options specification): Document
3207 --with-long-double-128.
3209 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3210 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3211 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3212 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3214 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3216 * config/s390/s390.c (override_options): Handle
3217 TARGET_DEFAULT_LONG_DOUBLE_128.
3219 * config/alpha/alpha.c (override_options): Handle
3220 TARGET_DEFAULT_LONG_DOUBLE_128.
3222 * config/sparc/sparc.c (sparc_override_options): Handle
3223 TARGET_DEFAULT_LONG_DOUBLE_128.
3225 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3227 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3228 (real-install-headers-tar, real-install-headers-cpio)
3229 (real-install-headers-cp): New targets.
3231 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3233 * tree.h (variable_section): Delete.
3234 * varasm.c (variable_section): Delete.
3236 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3238 * install.texi: Add notes on install.texi2html.
3239 (Building in parallel): Do not use footnotes.
3241 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3244 * doc/install.texi (Configuration): Document --disable-libgomp.
3246 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3248 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3250 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3252 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3253 (vec_extractv2df_0_sse): New.
3255 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3257 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3258 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3259 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3260 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3261 to the result of the expression.
3262 (def_cfa_1): Adjust.
3263 (frame_pointer_cfa_offset): Rename to...
3264 (frame_pointer_fb_offset): ... this. Adjust all uses.
3265 (convert_cfa_to_loc_list): Rename to...
3266 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3267 Pass it on to build_cfa_loc.
3268 (compute_frame_pointer_to_cfa_displacement): Rename to...
3269 (compute_frame_pointer_to_fb_displacement): ... this. New
3270 offset parameter. Use it in computation.
3271 (gen_subprogram_die): Compute cfa_fb_offset with the new
3272 macro, and use it to compute the fb loc list and the
3275 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3277 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3278 replaced with register_operand.
3279 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3280 non-DREG is expensive.
3281 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3282 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3285 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3287 * doc/install.texi2html: Use set -e.
3289 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3291 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3292 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3293 * doc/invoke.texi (-fshared-data): Delete.
3294 * common.opt (fshared-data): Delete.
3295 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3296 (assemble_static_space): Remove #if 0 code.
3297 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3298 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3299 * config/cris/cris.h: Remove FIXME.
3301 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3303 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3306 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3309 * combine.c (simplify_shift_const_1): Disable nested shifts
3310 optimization for vector shifts.
3312 2006-02-20 Roger Sayle <roger@eyesopen.com>
3314 PR tree-optimization/26361
3315 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3316 of unsigned integer types.
3318 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3320 * tree-chrec.c (eq_evolutions_p): New.
3321 * tree-chrec.h (eq_evolutions_p): Declared.
3322 * tree-data-ref.c: Fix formatting.
3323 (datadep_stats, dependence_stats): New.
3325 (print_direction_vector): New.
3326 (dump_data_dependence_relation): Use print_direction_vector.
3327 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3328 (compute_subscript_distance): Static.
3329 (initialize_data_dependence_relation): Static. Get the number
3330 of loops surrounding the references from the callers, and initialize
3331 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3332 base_object_differ_p analyzers.
3333 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3334 compute_overlap_steps_for_affine_1_2,
3335 analyze_subscript_affine_affine): Count the classified dependences.
3336 Print a message when a test failed.
3337 (can_use_analyze_subscript_affine_affine): New.
3338 (analyze_siv_subscript): Compute the data dependences on symbolic
3339 scevs that verify can_use_analyze_subscript_affine_affine.
3340 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3341 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3342 Handle symbolic scevs.
3343 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3345 (subscript_dependence_tester): Moved...
3346 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3347 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3348 DDR_SIZE_VECT instead of getting it in parameter.
3349 (subscript_dependence_tester): ... here. Take as a parameter
3350 loop_nest_depth. Call build_classic_dist_vector and
3351 build_classic_dir_vector.
3352 (compute_affine_dependence): Update subscript_dependence_tester
3353 parameters. Update datadep_stats counters. Call
3354 compute_subscript_distance.
3355 (compute_self_dependence): Save the dist and dir vectors. Call
3356 compute_subscript_distance.
3357 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3358 (compute_all_dependences): Reorder parameters as they were before
3359 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3360 compute_subscript_distance. Update the use of
3361 compute_affine_dependence and initialize_data_dependence_relation.
3362 (find_data_references_in_loop): Handle COMPONENT_REF.
3363 (compute_data_dependences_for_loop): Initialize dependence_stats.
3364 Don't call build_classic_dist_vector and build_classic_dir_vector.
3365 Update the parameters of initialize_data_dependence_relation and
3366 compute_all_dependences. Print the statistics from datadep_stats.
3367 (analyze_all_data_dependences): Static. Not used until the pass for
3368 checking the data dependences is contributed.
3369 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3370 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3371 (initialize_data_dependence_relation, compute_affine_dependence,
3372 analyze_all_data_dependences, compute_subscript_distance): Removed.
3373 (print_direction_vector): New.
3374 * lambda.h (gcd): ... here.
3375 (lambda_vector_gcd): Moved here from gcd_vector.
3376 * lambda-code.c (gcd, gcd_vector): Removed.
3377 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3378 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3380 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3382 * ipa-type-escape.c: Tidy some comments and white space.
3383 * tree-ssa-operands.c: Likewise.
3385 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3388 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3389 (dump_decl_name): Do not walk the decl tree chains.
3390 * tree-pass.h (TDF_CHAIN): Remove.
3392 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3394 * Makefile.in (C): Remove
3396 (.PHONY): Remove C and PROTO
3398 2006-02-20 Roger Sayle <roger@eyesopen.com>
3401 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3402 deprecated CHAR_TYPE tree code.
3404 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3406 * configure.ac (target_list): Add install-info, dvi, html.
3407 * configure: Regenerate.
3409 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3410 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3411 treelang/Make-lang.in: Do not use double-colon rules.
3413 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3415 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3416 (TMT_USED_ALONE): New macro.
3417 * tree-pass.h (PROP_tmt_usage): New property.
3418 (TODO_update_tmt_usage): New todo.
3419 * tree-ssa-alias.c (updating_used_alone): New variable.
3420 (recalculate_used_alone): New function.
3421 (compute_may_aliases): Set updating_used_alone, call
3422 recalculate_used_alone.
3423 * tree-sra.c (pass_sra): Note that this pass destroys
3424 PROP_tmt_usage, and add TODO_update_tmt_usage.
3425 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3426 * tree-flow.h (updating_used_alone): Prototype.
3427 (recalculate_used_alone): Ditto.
3428 * passes.c (execute_todo): Add code to set updating_used_alone,
3429 and call recalculate.
3430 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3431 for clobber if used alone, and add assert to verify used_alone
3434 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3436 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3437 for non tls symbols added.
3438 (legitimize_address): Do nothing for PLUS expressions if one of the
3439 addends is a tls symbol reference.
3441 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3445 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3447 * Makefile.in (BOOTSTRAPPING): New.
3448 (quickstrap): New definition if BOOTSTRAPPING=yes.
3450 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3451 * configure.ac: Substitute all_selected_languages with the languages
3452 that were configured. For all the other variables except
3453 lang_specs_files, include all the languages in the tree.
3454 * configure: Regenerate.
3456 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3457 if there is one. Run the commands to run fixincludes in the same
3460 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
3461 * doc/install.texi: Document exact conventions for searching target tools.
3462 Document --with-build-time-tools. Document toplevel bootstrap. Document
3463 something more about building an Ada cross-compiler. Don't list GNU Make
3464 requirements which affect all platforms.
3466 2006-02-19 Roger Sayle <roger@eyesopen.com>
3469 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
3470 only equivalent if the have both the same mode and precision.
3472 2006-02-20 Ben Elliston <bje@au.ibm.com>
3474 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
3476 2006-02-19 Roger Sayle <roger@eyesopen.com>
3477 Steven Bosscher <stevenb.gcc@gmail.com>
3479 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
3480 constant pool references to identify stack mode constants.
3481 * rtlanal.c (constant_pool_constant_p): New predicate to check
3482 whether operand is a floating point constant in the pool.
3483 * rtl.h (constant_pool_constant_p): Prototype here.
3484 * loop.c (scan_loop): Avoid hoisting constants from the constant
3485 pool on STACK_REGS targets.
3486 (load_mems): Likewise.
3487 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
3488 loads into x87 registers expensive in terms of register pressure.
3490 2006-02-19 Roger Sayle <roger@eyesopen.com>
3492 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
3493 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
3495 2006-02-19 David Edelsohn <edelsohn@gnu.org>
3497 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3498 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
3500 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
3502 * doc/invoke.texi: Document -fipa-pta.
3503 * common.opt: Add ipa-pta option.
3504 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
3505 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
3506 (do_ds_constraint): Ditto.
3507 (get_constraint_for): Only add to referenced_vars if
3508 referenced_vars exists.
3509 (insert_into_field_list): Rewrite to do this unsorted.
3510 (insert_into_field_list_sorted): Rename old insert_into_field_list
3512 (create_function_info_for): Use insert_into_field_list_sorted.
3513 (create_variable_info_for): Rewrite so it uses unsorted version,
3514 since the field list is sorted.
3515 (intra_create_variable_infos): Only add to referenced_vars if
3516 referenced_vars exists.
3517 (ipa_pta_execute): Init heapvars, and delete when done.
3518 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
3520 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3522 * doc/install.texi: Add missing `@samp'.
3524 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3526 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
3529 2006-02-18 Mark Wielaard <mark@klomp.org>
3531 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
3532 who added new 4.1 features, bug fixes and integration support.
3534 2006-02-18 David Edelsohn <edelsohn@gnu.org>
3537 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
3540 2006-02-18 Richard Sandiford <richard@codesourcery.com>
3542 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
3543 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
3544 (copy_insn_1): Likewise. Don't copy each field individually.
3546 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
3548 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
3549 * rtl.c (rtx_size): Rename variable to...
3550 (rtx_code_size): ...this.
3551 (rtx_size): New function.
3552 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
3553 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
3555 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
3556 * rtl.h (rtx_code_size): New variable.
3557 (rtx_size): Change from a variable to a function.
3558 (RTX_SIZE): Rename to...
3559 (RTX_CODE_SIZE): ...this.
3562 PR tree-optimization/17106
3563 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
3564 (Anchored Addresses): New section.
3565 * doc/invoke.texi (-fsection-anchors): Document.
3566 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
3567 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
3568 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
3569 * hooks.c (hook_bool_mode_rtx_false): New function.
3570 * hooks.h (hook_bool_mode_rtx_false): Declare.
3571 * gengtype.c (create_optional_field): New function.
3572 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
3573 SYMBOL_REF_IN_BLOCK_P is true.
3574 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
3575 (min_anchor_offset, max_anchor_offset): Likewise.
3576 (use_anchors_for_symbol_p): New hook.
3577 * toplev.c (compile_file): Call output_object_blocks.
3578 (target_supports_section_anchors_p): New function.
3579 (process_options): Check that -fsection-anchors is only used on
3580 targets that support it and when -funit-at-a-time is in effect.
3581 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
3582 if the decl doesn't have one.
3583 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
3584 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
3585 of force_const_mem through use_anchored_address.
3586 (expand_expr_constant): New function.
3587 (expand_expr_addr_expr_1): Call it. Use the same modifier when
3588 calling expand_expr for INDIRECT_REF.
3589 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
3590 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
3591 * expr.h (use_anchored_address): Declare.
3592 * loop-unroll.c: Don't declare rtx vectors here.
3593 * explow.c: Include output.h.
3594 (validize_mem): Call use_anchored_address.
3595 (use_anchored_address): New function.
3596 * common.opt (-fsection-anchors): New switch.
3597 * varasm.c (object_block_htab, anchor_labelno): New variables.
3598 (hash_section, object_block_entry_eq, object_block_entry_hash)
3599 (use_object_blocks_p, get_block_for_section, create_block_symbol)
3600 (use_blocks_for_decl_p, change_symbol_section): New functions.
3601 (get_variable_section): New function, split out from assemble_variable.
3602 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
3603 use_blocks_for_decl_p say so. Use change_symbol_section if the
3604 symbol has already been created.
3605 (assemble_variable_contents): New function, split out from...
3606 (assemble_variable): ...here. Don't output any code for
3607 block symbols; just pass them to place_block_symbol.
3608 Use get_variable_section and assemble_variable_contents.
3609 (get_constant_alignment, get_constant_section, get_constant_size): New
3610 functions, split from output_constant_def_contents.
3611 (build_constant_desc): Create a block symbol if use_object_blocks_p
3612 says so. Or into SYMBOL_REF_FLAGS.
3613 (assemble_constant_contents): New function, split from...
3614 (output_constant_def_contents): ...here. Don't output any code
3615 for block symbols; just pass them to place_section_symbol.
3616 Use get_constant_section and get_constant_alignment.
3617 (force_const_mem): Create a block symbol if use_object_blocks_p and
3618 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
3619 (output_constant_pool_1): Add an explicit alignment argument.
3620 Don't switch sections here.
3621 (output_constant_pool): Adjust call to output_constant_pool_1.
3622 Switch sections here instead. Don't output anything for block symbols;
3623 just pass them to place_block_symbol.
3624 (init_varasm_once): Initialize object_block_htab.
3625 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
3626 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
3627 (place_block_symbol, get_section_anchor, output_object_block)
3628 (output_object_block_htab, output_object_blocks): New functions.
3629 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
3630 (TARGET_ASM_OUT): Include it.
3631 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
3632 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
3633 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
3634 (TARGET_INITIALIZER): Include them.
3635 * rtl.c (rtl_check_failed_block_symbol): New function.
3636 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
3637 (block_symbol, object_block): New structures.
3638 (rtx_def): Add a block_symbol field to the union.
3639 (BLOCK_SYMBOL_CHECK): New macro.
3640 (rtl_check_failed_block_symbol): Declare.
3641 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
3642 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
3643 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
3644 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
3645 * output.h (output_section_symbols): Declare.
3646 (object_block): Name structure.
3647 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
3648 (default_use_anchors_for_symbol_p): Declare.
3649 * Makefile.in (RTL_BASE_H): Add vec.h.
3650 (explow.o): Depend on output.h.
3651 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
3652 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3653 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3654 (rs6000_use_blocks_for_constant_p): New function.
3656 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3658 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
3660 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3663 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
3666 2006-02-18 Diego Novillo <dnovillo@redhat.com>
3668 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
3672 2006-02-18 Jakub Jelinek <jakub@redhat.com>
3675 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
3676 instead of DECL_REGISTER.
3678 2006-02-18 Olivier Hainque <hainque@adacore.com>
3681 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
3683 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
3686 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
3687 * opth-gen.awk: Handle Var and InverseMask together.
3688 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
3689 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
3690 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
3691 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
3693 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3694 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3695 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
3696 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3697 LINUX_DYNAMIC_LINKER): Define.
3698 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
3699 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
3701 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3702 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
3703 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3704 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3705 (TARGET_C99_FUNCTIONS): Don't define.
3706 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
3707 GLIBC_DYNAMIC_LINKER.
3708 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
3709 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
3710 GLIBC_DYNAMIC_LINKER64): Define.
3711 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3712 LINUX_DYNAMIC_LINKER64.
3713 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3714 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3715 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
3716 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3717 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3718 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3719 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
3720 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
3721 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
3722 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
3723 and LINUX_DYNAMIC_LINKER32.
3724 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3725 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3726 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
3727 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3728 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
3730 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
3731 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
3732 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3733 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3734 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3735 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
3736 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
3737 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
3738 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3739 LINUX_DYNAMIC_LINKER): Define.
3740 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
3741 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
3742 GLIBC_DYNAMIC_LINKER64): Define.
3743 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3744 LINUX_DYNAMIC_LINKER64.
3745 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3746 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3747 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
3748 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3749 LINUX_DYNAMIC_LINKER): Define.
3750 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3751 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3752 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
3753 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
3754 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
3755 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3756 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
3757 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
3758 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3759 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3760 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3761 * doc/invoke.texi (-muclibc): Remove caveat about supported
3764 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3766 * doc/cpp.texi (__TIMESTAMP__): Document.
3768 2006-02-17 Roger Sayle <roger@eyesopen.com>
3771 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
3772 C is one less than the width of X (and related transformations).
3773 * simplify-rtx.c (simplify_unary_operation_1): Transform
3774 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
3775 depending on STORE_FLAG_VALUE, were C is one less then the
3778 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
3780 Fix PR tree-optimization/26341
3781 * tree-ssa-operands.c (add_virtual_operand): Remove assert
3782 about NAME_MEMORY_TAG's.
3784 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3787 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
3788 with hardware float support, and software float support. Add fcpy
3789 alternative to hardware patterns. Add alternatives to copy between
3790 general and floating-point registers to the 32-bit pattern.
3791 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
3792 secondary reload to load a QI or HI mode constant into a floating
3794 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
3795 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
3797 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
3800 * config/rs6000/darwin.md (load_macho_picbase_si): Add
3802 (load_macho_picbase_di): Likewise.
3804 2006-02-16 Jeff Law <law@redhat.com>
3806 * tree-vrp.c (set_value_range_to_nonnegative): New function.
3807 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
3808 (ssa_name_nonzero_p): Likewise.
3809 (get_value_range): Return NULL if VRP is not running.
3810 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
3811 VRP routines do not discover a range.
3812 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
3813 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
3814 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
3815 (tree_expr_nonnegative_p): Similarly.
3816 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
3817 (restore_nonzero_vars_to_original_value): Remove.
3818 (unsafe_associative_fp_binop): Remove.
3819 (tree_ssa_dominator_optimize): Remove initialization and
3820 finalization of nonzero_vars and nonzero_vars_stack.
3821 (dom_opt_initialize_block): No longer push marker on
3823 (dom_opt_finalize_block): No longer call
3824 restore_nonzero_vars_to_original_value.
3825 (record_equivalences_from_phis): No longer look for
3826 nonzero PHI arguments.
3827 (cprop_into_successor_phis): No longer propagate nonzero
3828 property into PHI arguments. Lose unused argument. Caller
3830 (record_equivalences_from_stmt): No longer record nonzero
3831 values for SSA_NAMEs.
3832 (lookup_avail_expr): No longer use nonzero_vars.
3834 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
3835 for sizetype when sizetype is unsigned.
3837 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
3839 PR rtl-optimization/25603
3840 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
3841 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
3842 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
3843 with new meaning of SETS.
3845 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
3850 * config/linux.opt: New file.
3851 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3852 LINUX_DYNAMIC_LINKER): Define.
3853 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
3854 * config.gcc (*-*-linux*): Define extra_options.
3855 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
3856 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
3857 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
3858 GLIBC_DYNAMIC_LINKER.
3859 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
3860 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3861 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3862 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3863 * doc/invoke.texi (GNU/Linux Options): New section.
3865 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3867 * config/sparc/sparc.md (setjmp): Rewrite.
3868 (setjmp_32): Delete.
3869 (setjmp_64): Likewise.
3871 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
3873 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
3876 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3878 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
3881 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3883 PR rtl-optimization/26296
3884 * Makefile.in (loop-invariant.c): Add except.h dependency.
3885 * loop-invariant.c: Include except.h.
3886 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
3888 2005-02-16 Paul Brook <paul@codesourcery.com>
3890 * reload1.c (emit_reload_insns): Invalidate dead input registers used
3893 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
3895 PR rtl-optimization/25636
3896 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
3897 when deciding whether an insn is an initializing insn.
3899 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
3901 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
3902 (tree_code_size): Ditto.
3903 * tree.h (struct tree_memory_tag): Remove parent_var.
3904 (struct tree_struct_field_tag): New.
3907 (union tree_node): Add sft member.
3908 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
3910 (create_sft): Add size and offset argument, set SFT_OFFSET and
3912 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
3913 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
3914 * tree-flow-inline.h (get_subvar_at): Update for
3915 SFT_OFFSET/SFT_SIZE.
3916 (var_can_have_subvars): Ditto.
3917 (overlap_subvar): Ditto.
3918 * print-tree.c (print_node): Print out interesting things for
3920 * tree-flow.h (struct subvar): Remove offset and size members.
3921 * tree-ssa-operands.c (get_expr_operands): Update for
3922 get_indirect_ref_operands changes.
3923 (get_indirect_ref_operands): Call add_virtual_operand instead of
3924 add_stmt_operand. Only recurse on base var if requested.
3925 (access_can_touch_variable): New function.
3926 (add_stmt_operand): Split virtual operand handling into ...
3927 (add_virtual_operand): Here. Add offset, size, and for_clobber
3928 arguments. Prune alias sets.
3929 (add_call_clobber_ops): Call add_virtual_operand.
3931 2006-02-15 Jakub Jelinek <jakub@redhat.com>
3934 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
3936 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
3937 than TREE_CODE as index into omp_clause_num_ops array.
3939 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
3941 PR rtl-optimization/26184
3942 * modulo-sched.c (generate_reg_moves): Free bitmap vector
3944 * modulo-sched.c (sms_schedule): Free g_arr pointer.
3945 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
3946 must_precede, must_follow and tobe_scheduled.
3949 * opts.c (common_handle_option): Free new_option pointer.
3950 * df-core.c (df_analyze): Free postorder pointer.
3952 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3954 * Makefile.in: Fix the examples about the use of stamps
3956 2006-02-15 Michael Matz <matz@suse.de>
3960 * stor-layout.c (layout_decl): Zero-width bitfields aren't
3961 influenced by maximum_field_alignment or DECL_PACKED.
3962 (update_alignment_for_field): Ditto.
3963 (place_field): Ditto.
3964 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
3967 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
3969 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
3970 (debug_flow_info): Pass it.
3971 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
3972 * bb-reorder.c (reorder_basic_blocks): Likewise.
3973 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
3974 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
3975 * flow.c (life_analysis, recompute_reg_usage): Likewise.
3976 * gcse.c (gcse_main, bypass_jumps): Likewise.
3977 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
3978 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
3979 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
3980 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
3981 * rtl.h (dump_flow_info): Adjust prototype.
3982 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
3983 * var-tracking.c (variable_tracking_main): Likewise.
3984 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
3985 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
3988 2006-02-15 Marcin Dalecki <martin@dalecki.de>
3990 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
3993 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3995 PR tree-optimization/26209
3996 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
3997 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
3999 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4001 2006-02-14 Roger Sayle <roger@eyesopen.com>
4004 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4005 (X,Y) and the corresponding symmetry related transformations.
4006 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4007 (X,Y) and its symmetry related transformations.
4009 2006-02-14 Roger Sayle <roger@eyesopen.com>
4011 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4014 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4016 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4018 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4021 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4022 support COMDAT group.
4023 * configure: Regenerate.
4025 2006-02-14 Roger Sayle <roger@eyesopen.com>
4030 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4032 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4034 Fix PR tree-optimization/26260
4036 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4038 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4039 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4040 * tree-ssa-structalias.c (create_variable_info_for): Use
4041 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4043 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4045 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4047 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4048 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4049 of the ending condition.
4050 * tree-ssa-loop-manip.c: Include params.h.
4051 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4052 tree_unroll_loop): New functions.
4053 * tree-pass.h (pass_loop_prefetch): Declare.
4054 * loop.c (rest_of_handle_loop_optimize): Test for
4055 -fprefetch-loop-arrays-rtl.
4056 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4057 * timevar.def (TV_TREE_PREFETCH): New timevar.
4058 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4059 pass_loop_prefetch): New.
4060 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4061 (cleanup_tree_cfg_loop): Call scev_reset.
4062 * common.opt (fprefetch-loop-arrays-rtl): Add.
4063 * tree-ssa-loop-prefetch.c: New file.
4064 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4065 (new_temp_expr_table): Initialize expr_vars.
4066 (free_temp_expr_table): Cleanup expr_vars.
4067 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4068 expressions from being merged into one.
4069 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4070 (struct tree_niter_desc): Add control, bound and cmp fields.
4071 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4073 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4074 (tree-cfgcleanup.o): Add SCEV_H dependency.
4075 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4076 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4078 2006-02-14 Richard Guenther <rguenther@suse.de>
4080 PR tree-optimization/26258
4081 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4082 in PHI argument processing.
4084 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4086 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4087 new expression in the requested machine mode.
4089 2006-02-13 Roger Sayle <roger@eyesopen.com>
4091 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4092 directly, instead let do_compare_rtx_and_jump handle this for us.
4093 * expr.c (expand_expr_real_1): Likewise.
4094 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4095 before do_jump_by_parts_greater.
4096 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4097 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4099 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4101 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4103 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4105 PR rtl-optimization/26235
4106 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4107 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4110 2006-02-13 Jeff Law <law@redhat.com>
4112 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4115 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4118 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4119 twice if decl is a builtin. When trying again, call get_callee_fndecl
4120 first to verify it is still a builtin.
4122 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4124 * dwarf2out.c (base_type_die): Don't add AT_name here.
4125 (subrange_type_die): Don't add AT_name here.
4126 (modified_type_die): Rearrange code flow. Do add AT_name here.
4128 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4130 PR rtl-optimization/26247
4131 PR rtl-optimization/26248
4132 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4134 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4136 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4137 * config/fixtfdi.c: Likewise.
4138 * config/fixunstfdi.c: Likewise.
4139 * config/floatditf.c: Likewise.
4141 2006-02-13 Roger Sayle <roger@eyesopen.com>
4144 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4145 into (X,C2) if C1 is a subset of the bits of C2. Transform
4146 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4148 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4150 2006-02-13 Josh Conner <jconner@apple.com>
4153 * varasm.c (function_section): Check for section name before
4154 calling select_section on targets that define
4155 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4156 unlikely_text_section instead of hot_function_section if
4157 first_function_block_is_cold.
4159 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4162 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4164 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4166 PR rtl-optimization/26222
4167 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4168 after tree->rtl expansion.
4169 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4170 before passing it to emit_move_insn.
4172 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4174 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4176 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4177 Clarify documentation.
4178 * c-common.h (warn_write_strings): Remove.
4179 * c-common.c (warn_write_strings): Likewise.
4180 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4183 2006-02-12 Roger Sayle <roger@eyesopen.com>
4186 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4187 (do_jump_parts_zero_rtx): New function renamed from
4188 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4189 (do_jump_parts_equality_rtx): New function split out from
4190 do_jump_parts_equality. Old implementation renamed as above.
4191 Call do_jump_parts_zero_rtx if either operand is zero.
4192 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4193 do all of the heavy lifting.
4194 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4195 calling either do_jump_by_parts_greater_rtx or
4196 do_jump_by_parts_equality_rtx.
4197 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4198 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4199 moved to do_compare_rtx_and_jump, call it directly.
4200 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4201 mode argument. Call do_compare_rtx_and_jump.
4202 (emit_case_nodes): Update calls to do_jump_if_equal.
4204 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4206 PR rtl-optimization/26225
4207 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4209 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4211 PR rtl-optimization/26232
4212 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4214 2006-02-11 Jason Merrill <jason@redhat.com>
4217 * tree-inline.c (declare_return_variable): Just don't use the
4218 modify target if it's a gimple complex reg and the return slot
4221 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4223 * doc/contrib.texi: Update my entry.
4225 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4227 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4229 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4231 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4234 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4236 * doc/invoke.texi (-floop-optimize2): Removed.
4237 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4238 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4239 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4240 * common.opt (floop-optimize2): Removed.
4241 (fmove-loop-invariants): Enabled by default.
4243 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4245 * tree-if-conv.c (combine_blocks): Free the result of
4246 get_loop_exit_edges.
4248 2006-02-10 Jeff Law <law@redhat.com>
4250 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4252 PR tree-optimization/26213
4253 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4254 loop trying to follow SSA_NAME_VALUE chains.
4256 2006-02-10 Richard Guenther <rguenther@suse.de>
4258 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4259 deal with structures that end in implicitly variable sized arrays.
4261 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4263 PR rtl-optimization/24762
4264 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4267 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4269 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4270 (struct ivopts_data): Add regs_used field.
4271 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4272 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4273 instead of loop_data->regs_used;
4274 (free_loop_data): Do not free aux fields for loops.
4275 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4276 and tree_ssa_iv_optimize_finalize.
4278 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4280 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4282 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4285 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4286 computing the effective result type.
4288 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4291 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4292 (tree_overlaps_hard_reg_set): Declare.
4293 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4294 type and signature to match function type expected by walk_tree.
4295 (tree_overlaps_hard_reg_set): New function.
4296 (decl_conflicts_with_clobbers_p): Rename to:
4297 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4298 Use tree_overlaps_hard_reg_set. Changed caller.
4299 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4300 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4301 * cris.c (cris_md_asm_clobbers): Likewise.
4303 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4305 * reload1.c (emit_input_reload_insns): Delete code that tries to
4306 inherit using find_equiv_reg.
4308 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4310 * c-common.h (flag_const_strings): Don't declare.
4311 * c-common.c (flag_const_strings): Remove.
4312 * c.opt (fconst_strings): Remove.
4313 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4314 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4315 (c_common_init_options): Don't set flag_const_strings.
4316 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4318 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4320 * arm.md (tlobits_cbranch): New pattern.
4321 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4322 testing a single bit.
4324 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4327 * tree-ssa-pre.c (create_component_ref_by_pieces):
4328 Handle RETURN_DECL like VAR_DECL.
4330 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4333 * fold-const.c (fold_indirect_ref_1): Fold
4334 "*(foo *)&complexfoo" to "__real__ complexfoo"
4335 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4337 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4339 * tree-flow-inline.h (var_can_have_subvars):
4340 Volatile variables should not have subvariables.
4342 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4345 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4346 multiplying unsigned values.
4349 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4351 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4353 2006-02-08 Jason Merrill <jason@redhat.com>
4356 * tree.def: Elaborate on difference from MODIFY_EXPR.
4357 * doc/c-tree.texi (INIT_EXPR): Likewise.
4358 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4359 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4360 (gimplify_target_expr): Likewise.
4361 (gimplify_cond_expr): Remove target handling.
4362 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4363 (gimplify_expr): Clobber it here.
4364 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4365 Do return slot optimization if we have an INIT_EXPR.
4368 * tree-inline.c (declare_return_variable): Also clear
4369 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4372 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4375 * gimplify.c (gimplify_one_sizepos): Fix typo.
4377 2006-02-08 Jeff Law <law@redhat.com>
4379 PR tree-optimization/21417
4380 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4381 across a backedge if the control statement at the end of the
4382 block is data dependent on other statements in the same block.
4383 (record_temporary_equivalences_from_stmts): Remove over-conservative
4384 test for threading across backedges.
4386 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4387 control statement, handle all three special cases in the same
4388 manner as they all have the same desired solution. No longer
4389 special case edge flag updating when the post dominator is
4392 2006-02-08 Roger Sayle <roger@eyesopen.com>
4394 * tree.def (CHAR_TYPE): Remove.
4395 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4396 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4397 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4398 (gen_string_type_die): Delete unreachable function.
4400 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4401 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4402 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4403 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4404 * builtins.c (type_to_class): Likewise.
4405 * fold-const.c (fold_convert, build_range_check,
4406 merge_ranges): Likewise.
4407 * expr.c (count_type_elements): Likewise.
4408 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4409 * stor-layout.c (layout_type): Likewise.
4410 * ipa-type-escape.c (type_to_consider): Likewise.
4411 * gimplify.c (omp_firstprivatize_type_sizes,
4412 gimplify_type_sizes): Likewise.
4413 * explow.c (promote_mode): Likewise.
4414 * tree-sra.c (is_sra_scalar_type): Likewise.
4415 * varasm.c (output_constant): Likewise.
4416 * tree-inline.c (remap_type_1): Likewise.
4417 * convert.c (convert_to_pointer, convert_to_real,
4418 convert_to_integer, convert_to_complex): Likewise.
4420 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4422 * df-scan.c (df_def_record_1): A set destination may
4423 be a parallel regardless of mode.
4425 2006-02-08 Roger Sayle <roger@eyesopen.com>
4428 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4429 * config/mips/_tilib.c: Remove.
4430 * config/fixtfdi.c: New libgcc source file.
4431 * config/fixunstfdi.c: New source file.
4432 * config/floatditf.c: New source file.
4433 * config/floatunditf.c: New souce file.
4434 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4435 files above instead of config/mips/_tilib.c.
4436 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4438 2006-02-08 Jeff Law <law@redhat.com>
4440 PR tree-optimization/26169
4441 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4444 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4446 * df.h (DF_REG_SIZE): Return the length of the initialized
4449 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4451 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4452 __muldf3): Return a correctly signed zero.
4454 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4456 * passes.c (register_one_dump_file): Accept the current properties
4457 instead of pass number. Adjust call to dump_register. Remove
4459 (register_dump_files): Now a wrapper around...
4460 (register_dump_files_1): ... this one. Do not modify the pass
4462 (next_pass_1): Cosmetic fix.
4463 (execute_todo): Keep second parameter only. Use curr_properties
4464 instead of fetching it from the pass structure. Check and set
4466 (execute_one_pass): Handle TODO_set_props. Use curr_properties
4467 instead of fetching it from the pass structure. Fix calls to
4468 execute_todo. Update curr_properties and initialize .vcg RTL dump
4469 after running the pass. Reset last_verified.
4470 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
4472 (FIRST_AUTO_NUMBERED_DUMP): New.
4473 (dump_register): Remove "num" parameter, assign it within the
4475 (get_dump_file_name): Modify template for dumps.
4476 * tree-dump.h (dump_register): Adjust prototype.
4477 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
4478 (PROP_trees): Add PROP_gimple_lomp.
4479 (TODO_set_props): New.
4480 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
4481 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
4482 * cfgexpand.c (pass_expand): Destroy PROP_trees.
4484 2006-02-08 Jakub Jelinek <jakub@redhat.com>
4486 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
4487 (sparc64-*-linux*): Likewise.
4488 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
4489 * config/sparc/t-linux: New file.
4490 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
4491 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
4492 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
4493 -m32 -mlong-double-128.
4495 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
4496 * config/alpha/t-linux: New file.
4497 * config/alpha/libgcc-alpha-ldbl.ver: New file.
4499 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
4500 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
4501 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
4502 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
4503 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
4504 (CPP_ARCH32_SPEC): Remove.
4506 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
4508 PR tree-optimization/26145
4509 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
4512 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4515 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
4516 >= 240000 when generating code for SOM runtime.
4517 (output_indirect_call): Don't use "b,l" instruction for indirect calls
4518 to $$dyncall when generating code for SOM runtime..
4520 2006-02-07 Dirk Mueller <dmueller@suse.com>
4523 * doc/invoke.texi (-Wsequence-point): Update documentation
4524 that -Wsequence-point is implemented for C++ as well.
4526 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4528 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
4529 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
4530 (LIB_SPEC): Likewise.
4531 * doc/invoke.texi (SPARC options): Document -pthread.
4533 2006-02-07 Geoffrey Keating <geoffk@apple.com>
4535 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
4538 2006-02-07 Roger Sayle <roger@eyesopen.com>
4540 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
4541 Correct comment describing BOOLEAN_TYPE.
4543 2006-02-07 Dirk Mueller <dmueller@suse.com>
4545 * c.opt: C++ frontend supports -Wdiv-by-zero.
4546 * c-opts.c (c_common_handle_option): Remove dead case.
4548 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4550 * configure.ac (TLS assembler check): Do not enable TLS by
4551 default on SPARC/Solaris before version 10.
4552 * configure: Regenerate.
4554 2006-02-07 David Edelsohn <edelsohn@gnu.org>
4556 * doc/invoke.texi (xl-compat): Document conversion and support
4559 2006-02-07 Jeff Law <law@redhat.com>
4561 * tree-vrp.c (find_conditional_asserts): Update comments.
4562 (simplify_stmt_for_jump_threading): New.
4563 (identify_jump_threads, finalize_jump_threads): New.
4564 (vrp_finalize): Call identify_jump_threads.
4565 (execute_vrp): Call finalize_jump_threads.
4566 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
4567 (vrp_element, vrp_data, vrp_element_p): Remove.
4568 (vrp_hash_elt, vrp_variables_stack): Remove.
4569 (vrp_hash, vrp_eq, record_range): Remove.
4570 (simplify_cond_and_lookup_avail_expr): Remove.
4571 (extract_range_from_cond): Remove.
4572 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
4573 (simplify_stmt_for_jump_threading): New.
4574 (dom_thread_across_edge): New wrapper.
4575 (tree_ssa_dominator_optimize): No longer initialize or
4576 finalize any of the VRP datastructures. Remove iteration
4577 step and simplify as a result of removal of iteration step.
4578 (pass_dominator): Perform a cfg cleanup after DOM.
4579 (dom_opt_finalize_block): Use the new common routines
4580 for threading jumps. Simplify stack management slightly.
4581 No longer need to unwind VRP state.
4582 (record_equivalences_from_incoming_edge): No longer record
4584 (eliminate_redundant_computations): No longer call
4585 simplify_cond_and_lookup_avail_expr.
4586 * tree-flow.h (potentially_threadable_block): Prototype.
4587 (thread_across_edge): Likewise.
4588 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
4589 (tree-ssa-threadedge.o): Add dependencies.
4590 * tree-ssa-threadedge.c: New file.
4591 * passes.c (init_optimization_passes): Merge PHIs before
4592 calling VRP. Run VRP again late in the SSA optimization pipeline.
4594 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4596 * df-core.c (df_set_blocks): Do not dereference function pointers.
4597 (df_finish1): Likewise.
4598 (df_hybrid_search_forward): Likewise.
4599 (df_hybrid_search_backward): Likewise.
4600 (df_iterative_dataflow): Likewise.
4601 (df_analyze_problem): Likewise.
4602 (df_compact_blocks): Likewise.
4603 (df_dump): Likewise.
4604 * df-scan.c (df_rescan_blocks): Likewise.
4605 (df_record_entry_block_defs): Likewise.
4607 * genconditions.c (write_conditions): Guard the definition of
4608 'insn_conditions' with the check on GCC version.
4609 (write_writer): Guard the traversal 'insn_conditions' with
4610 the check on GCC version.
4612 2006-02-07 Richard Guenther <rguenther@suse.de>
4616 2006-01-30 Richard Guenther <rguenther@suse.de>
4618 * gimplify.c (gimplify_target_expr): Handle easy cases
4619 without creating a temporary.
4621 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
4623 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
4624 use of float in probability computations. Use edge probabilities
4625 in place of statically computed probabilities.
4626 (min_spec_prob): New static variable.
4627 (schedule_insns): Initialize it.
4628 (GET_SRC_PROB): Removed.
4629 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
4631 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
4634 * config/ia64/unwind-ia64.c: Revert last change.
4635 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
4636 (INCOMING_FRAME_SP_OFFSET): Define.
4638 2006-02-06 Roger Sayle <roger@eyesopen.com>
4640 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
4642 2006-02-07 Ben Elliston <bje@au.ibm.com>
4644 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
4645 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
4646 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
4647 (ix86_return_in_memory): Handle TDmode.
4648 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
4649 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
4651 2006-02-06 Richard Sandiford <richard@codesourcery.com>
4653 * reorg.c (dbr_schedule): Use dump_file instead of file.
4655 2006-02-06 Steve Ellcey <sje@cup.hp.com>
4658 * config/ia64/predicates.md (extr_len_operand): New predicate.
4659 * config/ia64/ia64.md (extv): Tighten constraints.
4661 (*tbit_and_2): Ditto.
4662 (*tbit_and_3): Ditto.
4663 (*tbit_or_2): Ditto.
4664 (*tbit_or_3): Ditto.
4668 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
4671 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
4673 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4675 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
4676 loop_optimizer_init and loop_optimizer_finalize
4677 * tree-ssa-sink.c (execute_sink_code): Ditto.
4678 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4679 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
4680 tree_ssa_loop_done): Ditto.
4681 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
4682 * sched-ebb.c: Include output.h.
4683 (schedule_ebbs): Do not use dump argument.
4684 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
4685 * loop.c (loop_dump_stream): Removed.
4686 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
4688 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
4689 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
4690 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
4691 loop_iterations, strength_reduce, record_biv, record_giv,
4692 final_giv_value, check_final_value, check_ext_dependent_givs,
4693 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
4694 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
4695 dump_file instead of loop_dump_stream.
4696 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
4698 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
4700 * flow.c (life_analysis, rest_of_handle_life): Ditto.
4701 * haifa-sched.c: Include output.h
4702 (schedule_insns, sched_init): Do not use dump argument.
4703 * mode-switching.c (optimize_mode_switching): Ditto.
4704 * modulo-sched.c (stats_file): Removed.
4705 (print_node_sched_params): Do not call argument dump_file.
4706 (sms_schedule_by_order, loop_canon_p, sms_schedule,
4707 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
4709 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
4711 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
4712 rtl_loop_init, rtl_loop_done): Ditto.
4713 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
4714 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
4716 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
4717 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
4718 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
4719 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
4720 * emit-rtl.c (renumber_insns): Ditto.
4721 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
4722 expand_gimple_basic_block, tree_expand_cfg): Ditto.
4723 * regclass.c (regclass): Ditto.
4724 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
4725 remove_ssa_form, rewrite_out_of_ssa): Ditto.
4726 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
4727 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
4729 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
4730 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
4732 * gcse.c (gcse_file, debug_stderr): Removed.
4733 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
4734 rest_of_handle_gcse): Do not use dump argument.
4735 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
4736 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
4737 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
4738 compute_code_hoist_vbeinout, compute_code_hoist_data,
4739 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
4740 compute_store_table, build_store_vectors, insert_insn_start_bb,
4741 insert_store, remove_reachable_equiv_notes, replace_store_insn,
4742 store_motion): Use dump_file instead of gcse_file.
4743 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
4744 * profile.c (profile_dump_file): Removed.
4745 (branch_prob): Use dump_file instead of profile_dump_file.
4746 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
4748 * tree-ssa-copy.c (dump_copy_of): Ditto.
4749 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
4750 dump file to life_analysis.
4751 * bt-load.c (branch_target_load_optimize): Ditto.
4752 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
4754 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
4755 regclass, dbr_schedule): Declaration changed.
4756 * sched-int.h (sched_init): Declaration changed.
4757 * tree-profile.c (tree_profile_dump_file): Removed.
4758 (tree_profile_hooks): Removed profile_dump_file hook.
4759 * rtl-profile (rtl_profile_dump_file): Removed.
4760 (rtl_profile_hooks): emoved profile_dump_file hook.
4761 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
4763 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
4764 * tree-cfg.c (build_tree_cfg): Ditto.
4765 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
4766 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
4767 Declaration changed.
4768 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
4769 life_analysis and schedule_insns.
4770 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
4772 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
4774 * config/mips/mips.c (mips_reorg): Ditto.
4775 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
4778 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
4780 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4781 (s390_mangle_fundamental_type): New.
4782 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4785 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4786 (alpha_mangle_fundamental_type): New.
4787 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4790 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4792 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4794 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4795 (sparc_mangle_fundamental_type): New.
4797 2006-02-06 Jakub Jelinek <jakub@redhat.com>
4799 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
4800 (s390x-*-linux*): Likewise.
4801 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
4802 * config/s390/t-linux: New file.
4804 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4806 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
4807 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
4809 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
4811 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
4812 (ANTIC_SAFE_LOADS): New macro.
4813 (find_or_generate_expression): Add prototype.
4814 (set_contains_value): Allow null set for sake of not always having
4815 to allocate ANTIC_SAFE_LOADS.
4816 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
4817 Allow COMPONENT_REF too.
4818 (valid_in_set): Allow COMPONENT_REF.
4819 Check ANTIC_SAFE_LOADS too.
4820 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
4821 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
4823 (can_PRE_operation): Add COMPONENT_REF.
4824 (create_component_ref_by_pieces): New function.
4825 (create_expression_by_pieces): Use create_component_ref_by_pieces.
4826 (insert_aux): Move AGGREGATE_TYPE_P check here.
4827 (compute_avail): Set bb local stmt uids.
4828 (pass_pre): Use TODO_update_ssa_only_virtuals.
4830 2006-02-06 Ben Elliston <bje@au.ibm.com>
4832 * configure.ac: Unconditionally disable decimal float by default.
4833 * configure: Regenerate.
4835 2006-02-06 Ben Elliston <bje@au.ibm.com>
4837 * read-rtl.c (read_name): Terminate reading on EOF.
4839 2006-02-06 Ben Elliston <bje@au.ibm.com>
4841 * dfp.c (decimal_real_arithmetic): Change second argument type
4842 from int to enum tree_code. Do not always return true, but now
4843 return result of any call to decimal_do helper functions.
4844 * dfp.h (decimal_real_arithmetic): Update prototype.
4846 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
4848 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
4850 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
4853 * tree-cfg.c (cleanup_dead_labels): Also don't remove
4856 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4858 * tree-vrp.c (cfg_loops): Removed.
4859 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
4860 Use current_loops instead of cfg_loops. Pass flags to
4861 loop_optimizer_init.
4862 * cfgloopmanip.c (fix_loop_structure): Update only available
4864 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
4865 loop_optimizer_init.
4866 * modulo-sched.c (build_loops_structure): Removed.
4867 (sms_schedule): Use loop_optimizer_init.
4868 * loop-init.c (loop_optimizer_init): Use flags to determine
4869 which properties of loops to prepare.
4870 (rtl_loop_init): Pass flags to loop_optimizer_init.
4871 * tree-ssa-sink.c (execute_sink_code): Ditto.
4872 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
4873 * tree-ssa-pre.c (init_pre): Ditto.
4874 * cfgloop.h (LOOPS_NORMAL): New.
4875 (loop_optimizer_init): Declaration changed.
4877 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4879 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
4880 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
4882 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
4884 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
4886 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
4887 * pa/t-pa64: Delete quadlib.c rule.
4888 * pa/x-ada: Revert last change.
4889 * pa/t-pa: Revert last change. Delete quadlib.c rule.
4891 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4893 PR rtl-optimization/26087
4894 * rtlanal.c (canonicalize_condition): Do not cross basic block
4897 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
4900 * config/ia64/ia64.c: Include debug.h.
4901 (MAX_ARTIFICIAL_LABEL_BYTES): New.
4902 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
4903 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
4904 (process_epilogue, process_set, process_for_unwind_directive):
4905 Output unwind info only if requested. Add CFA info if requested.
4906 Add new arguments as needed. Adjust callers.
4907 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
4909 (DWARF2_FRAME_INFO): Define to zero.
4910 * config/ia64/unwind-ia64.c: Remove code that compensated for
4911 the CFA offset error fixed above.
4912 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
4913 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
4914 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
4915 -funwind-tables and -fexceptions to enable frame info.
4916 (dwarf2out_frame_init): Define initial CFA even if
4917 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
4918 DWARF2_UNWIND_INFO is nonzero, not just defined.
4919 (dwarf2out_frame_finish): Output non-EH call frame info only
4920 if DWARF2_FRAME_INFO is nonzero.
4921 (convert_cfa_to_loc_list,
4922 compute_frame_pointer_to_cfa_displacement): Define even if
4923 unwind info is not supported.
4924 (gen_subprogram_die): Use the above unconditionally. Remove
4925 legacy alternate code.
4926 * toplev.c (compile_file): Compile in call to
4927 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
4928 (lang_dependent_init): Ditto for dwarf2out_frame_init.
4930 2006-02-04 David Edelsohn <edelsohn@gnu.org>
4931 Jakub Jelinek <jakub@redhat.com>
4933 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
4934 IBM extended float format long double as "g" on powerpc*-linux.
4936 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4939 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
4940 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
4942 2006-02-03 Jason Merrill <jason@redhat.com>
4945 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
4948 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
4949 on the return slot if it's an NRV.
4951 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
4953 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
4954 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
4955 rewrite_use): Do not handle USE_OUTER.
4956 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
4957 add_iv_outer_candidates, may_replace_final_value,
4958 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
4959 (find_interesting_uses_op): Functionality of
4960 find_interesting_uses_outer_or_nonlin moved here.
4961 (find_interesting_uses_outside): Use find_interesting_uses_op.
4963 2006-02-03 Alan Modra <amodra@bigpond.net.au>
4966 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
4968 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
4969 Ulrich Weigand <uweigand@de.ibm.com>
4972 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
4973 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
4974 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
4975 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
4977 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
4978 (s390_rtx_costs): Use the new fields to calculate rtx costs.
4979 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
4980 Define secondary reloads for TFmode moves.
4981 (constant_modes): Add TFmode.
4982 (NR_C_MODES): Set to 8.
4983 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
4985 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
4986 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
4987 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
4988 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
4989 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
4990 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
4991 (FPR mode macro): Add TFmode.
4992 (DSF mode macro): New.
4993 (<de>, <dee> mode attributes): Removed.
4994 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
4995 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
4996 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
4997 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
4998 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
4999 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5000 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5001 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5002 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5003 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5004 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5005 "*negabs<mode>2", "sqrt<mode>2"):
5006 Changed <de> to <xde>. R constraint replaced by <Rf>.
5007 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5009 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5010 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5011 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5013 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5014 "extenddftf2", "extendsftf2"): New expanders.
5015 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5016 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5017 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5018 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5020 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5021 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5022 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5023 __floatditf): Add a GCC_4.1.0 symbol version tag.
5024 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5027 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5030 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5031 Use targetm.binds_local_p instead of TREE_PUBLIC.
5033 2006-02-02 Roger Sayle <roger@eyesopen.com>
5035 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5036 on INTEGER_TYPEs to indicate that it denotes a character type.
5037 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5038 signed_char_type_node, unsigned_char_type_node and char_type_node.
5039 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5040 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5041 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5043 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5044 Daniel Berlin <dberlin@dberlin.org>
5046 * tree-tailcall.c (arg_needs_copy_p): New function.
5047 (eliminate_tail_call): Use arg_needs_copy_p.
5048 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5049 (add_virtual_phis): New function.
5051 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5053 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5054 #ignore instead of #scratch for %g7 .register directive.
5056 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5058 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5061 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5063 * flow.c (calculate_global_regs_live): Assert that there aren't any
5066 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5068 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5070 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5071 bsi_after_labels iterator.
5072 * tree-if-conv.c (find_phi_replacement_condition,
5073 replace_phi_with_cond_modify_expr): Likewise.
5074 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5075 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5077 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5079 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5081 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5084 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5085 array after growing it.
5087 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5090 * fold-const.c (fold_checksum_tree): Change type of buf.
5092 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5094 * reload.c (push_secondary_reload): Initialize t_icode.
5096 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5098 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5099 -msoft-float -mlong-double-128 only issue a warning, but don't
5100 swich to DFmode long double.
5102 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5104 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5105 has a constant equivalent, iterate over equivalents for arg0,
5106 calling simplify_relational_operation and if there's a result
5107 cheaper than X, apply fold_rtx and return the result.
5109 2006-02-01 Jan Hubicka <jh@suse.cz>
5111 * opts.c (no_unit_at_a_time_default): New global variable.
5112 (decode_options): Use it.
5113 * opts.h (no_unit_at_a_time_default): Declare.
5115 2006-02-01 Paul Brook <paul@codesourcery.com>
5117 * function.c (assign_parm_setup_reg): Use function argument promotion
5119 * expr.c (expand_expr_real_1): Use function argument promotion rules
5122 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5124 * gcc.c (process_command): Change j to 'unsigned int'.
5126 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5129 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5130 Use the corrected index for the character
5131 out of the string constant.
5133 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5135 * mode-switching.c (optimize_mode_switching): Fix size
5136 allocated for bb_info[n_entities].
5138 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5140 * gcc.c (main): Correct type that is allocated for
5141 explicit_link_files.
5143 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5145 * config/s390/s390.c (init_alignment_context): Set
5146 ALIAS_SET_MEMORY_BARRIER on the MEM.
5147 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5149 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5152 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5154 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5157 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5159 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5160 * regrename.c: Ditto.
5161 * tree-ssa-loop-im.c: Ditto.
5162 * tree-dump.c: Ditto.
5163 * tree-complex.c: Ditto.
5164 * genrecog.c: Ditto.
5165 * tree-ssa-threadupdate.c: Ditto.
5167 * java/class.c: Ditto.
5168 * java/jcf-parse.c: Ditto.
5169 * java/resource.c: Ditto.
5170 * java/except.c: Ditto.
5171 * java/jvspec.c: Ditto.
5172 * java/jcf-write.c: Ditto.
5173 * java/jcf-path.c: Ditto.
5174 * java/gjavah.c: Ditto.
5175 * java/zextract.c: Ditto.
5176 * java/jcf-io.c: Ditto.
5177 * java/jcf.h: Ditto.
5178 * java/buffer.c: Ditto.
5179 * java/lang.c: Ditto.
5180 * java/parse-scan.y: Ditto.
5181 * java/lex.c: Ditto.
5182 * java/lex.h: Ditto.
5183 * cfgloopmanip.c: Ditto.
5184 * postreload-gcse.c: Ditto.
5185 * tree-ssa-loop-manip.c: Ditto.
5186 * postreload.c: Ditto.
5187 * tree-ssa-loop-ch.c: Ditto.
5191 * diagnostic.c: Ditto.
5193 * genoutput.c: Ditto.
5195 * cfghooks.c: Ditto.
5196 * cfgloopanal.c: Ditto.
5197 * objc/objc-act.c: Ditto.
5199 * genextract.c: Ditto.
5200 * genautomata.c: Ditto.
5201 * pretty-print.c: Ditto.
5203 * cgraphunit.c: Ditto.
5206 * haifa-sched.c: Ditto.
5207 * dominance.c: Ditto.
5209 * tree-ssa-loop-ivopts.c: Ditto.
5211 * mode-switching.c: Ditto.
5212 * modulo-sched.c: Ditto.
5214 * ipa-pure-const.c: Ditto.
5216 * fix-header.c: Ditto.
5218 * tree-stdarg.c: Ditto.
5219 * ipa-utils.c: Ditto.
5220 * loop-init.c: Ditto.
5221 * ipa-inline.c: Ditto.
5224 * alloc-pool.c: Ditto.
5225 * dwarf2out.c: Ditto.
5227 * genattrtab.c: Ditto.
5228 * tree-ssa-loop-ivcanon.c: Ditto.
5232 * fortran/gfortranspec.c: Ditto.
5234 * local-alloc.c: Ditto.
5235 * langhooks.c: Ditto.
5236 * function.c: Ditto.
5237 * tree-vectorizer.c: Ditto.
5239 * ipa-type-escape.c: Ditto.
5241 * tree-if-conv.c: Ditto.
5244 * tree-data-ref.c: Ditto.
5245 * loop-unroll.c: Ditto.
5246 * treelang/treetree.c: Ditto.
5249 * ggc-common.c: Ditto.
5251 * coverage.c: Ditto.
5253 * tree-cfgcleanup.c: Ditto.
5254 * tree-ssa-pre.c: Ditto.
5255 * cfgcleanup.c: Ditto.
5256 * loop-invariant.c: Ditto.
5258 * ipa-prop.c: Ditto.
5259 * print-tree.c: Ditto.
5260 * conflict.c: Ditto.
5261 * ggc-page.c: Ditto.
5262 * sched-deps.c: Ditto.
5263 * regclass.c: Ditto.
5264 * tree-object-size.c: Ditto.
5266 * bb-reorder.c: Ditto.
5267 * resource.c: Ditto.
5268 * var-tracking.c: Ditto.
5270 * df-problems.c: Ditto.
5271 * reg-stack.c: Ditto.
5274 * sched-rgn.c: Ditto.
5275 * tree-ssa-structalias.c: Ditto.
5276 * tree-ssa-reassoc.c: Ditto.
5277 * config/darwin-c.c: Ditto.
5278 * config/darwin.c: Ditto.
5279 * config/arm/arm.c: Ditto.
5281 * collect2.c: Ditto.
5284 2006-01-31 Nicolas Pitre <nico@cam.org>
5286 * arm.md (smaxsi3): Make aware of smax_m1.
5289 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5291 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5293 2006-01-31 Richard Guenther <rguenther@suse.de>
5295 * doc/invoke.texi (-msselibm): Document.
5296 * target.h (expand_library_builtin): New target hook.
5297 * builtins.c (expand_builtin): Use expand_library_builtin.
5298 (default_expand_library_builtin): New function.
5299 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5300 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5301 (link_gcc_math_spec): Declare.
5302 (static_specs): Add link_gcc_math_spec.
5303 * expr.h (default_expand_library_builtin): Declare.
5304 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5305 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5306 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5307 * config/i386/i386.opt (msselibm): New target option.
5308 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5309 (ix86_init_sse_abi_builtins): New function.
5310 (ix86_expand_library_builtin): Likewise.
5311 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5312 (override_options): Handle error conditions wrt -msselibm.
5313 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5314 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5315 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5318 2006-01-31 Richard Guenther <rguenther@suse.de>
5319 Paolo Bonzini <bonzini@gnu.org>
5321 * doc/install.texi (--disable-libgcc-math): Document.
5323 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5325 * expr.h (expand_normal): new inline function.
5326 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5328 * dwarf2out.c: use it.
5333 * config/sparc/sparc.c: use it.
5334 * config/i386/i386.c: use it.
5335 * config/rs6000/rs6000.c: use it.
5336 * config/arm/arm.c: use it.
5337 * config/mips/mips.c: use it.
5338 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5340 2006-01-30 Roger Sayle <roger@eyesopen.com>
5342 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5343 argv to the appropriate type.
5345 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5347 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5350 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5353 * config/s390/s390.c (struct machine_function): New flag
5354 decomposed_literal_pool_addresses_ok_p.
5355 (s390_reorg): Set it before final stage of literal pool transforms.
5356 (s390_decompose_address): Only accept displacements of the form
5357 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5359 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5361 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5362 the comparison routine return.
5364 2006-01-30 Michael Matz <matz@suse.de>
5366 * global.c (find_reg): Only evict for global regs.
5367 Take n_refs into account and dump more info.
5369 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5372 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5373 (pragma_trap, pragma_nosave_low_regs): Likewise.
5374 (current_function_anonymous_args): Likewise.
5375 (sh_deferred_function_attributes): New variable.
5376 (sh_deferred_function_attributes_tail): Likewise.
5377 (print_operand): For '@', look up trap_exit attribute.
5378 (calc_live_regs): Look up trapa_handler attribute. For trapa
5379 handlers, save/restore fpscr, but don't do any other
5380 interrupt-specific saves.
5381 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5382 Fix check for partially saved registers to check for SHmedia.
5383 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5384 (sh_output_function_epilogue): Don't clear any of the removed
5386 (sh_insert_attributes): Don't check pragma_interrupt.
5387 Insert deferred attributes. Check that interrupt attribute is
5388 present for other attributes that require its presence.
5389 (sh_attribute_table): Add new attributes trapa_handler and
5391 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5392 Don't check for pragma_interrupt. Don't store argument.
5393 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5394 (sh_deferred_function_attributes): Declare.
5395 (sh_deferred_function_attributes_tail): Likewise.
5396 * sh.md (sp_switch_1): Add operand. Change generator caller.
5397 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5398 (*return_i): Don't use when trap_exit attribute is in effect.
5399 (*return_trapa): New insn pattern.
5401 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5402 setting c_target_objs and cxx_target_objs.
5403 * t-sh: Add rule for sh-c.o.
5405 2006-01-30 Richard Guenther <rguenther@suse.de>
5408 * gimplify.c (gimplify_target_expr): Handle easy cases
5409 without creating a temporary.
5411 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5413 * vec.h (safe_grow): Remove duplicated line.
5415 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5418 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5419 (expand_omp): ... here.
5420 (expand_omp_parallel): Only remove barriers for combined
5421 parallel+workshare constructs.
5423 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5427 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5428 * tree.c (build_qualified_type): Chain the new type to the original
5429 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5430 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5431 (build_pointer_type_for_mode): Only return unqualified types.
5432 (build_reference_type_for_mode): Likewise.
5434 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5436 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5437 * Makefile.in (CXX_COMPAT_WARN): Define.
5438 * configure: Regenerate.
5440 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5443 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5446 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5448 * toplev.c: Fix thinko.
5450 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5451 Marcin Dalecki <martin@dalecki.de>
5453 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5454 (push_srcloc): Use XNEW.
5455 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5457 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5459 * df-core.c (df_set_blocks): Deleted all variable.
5461 2006-01-28 Ian Lance Taylor <ian@airs.com>
5463 * cgraphunit.c (cgraph_assemble_pending_functions): Call
5464 cgraph_output_pending_asms.
5466 2006-01-28 Zack Weinberg <zackw@panix.com>
5468 * c.opt: Add -W(no-)overlength-strings.
5469 * doc/invoke.texi: Document it.
5470 * c-opts.c (c_common_handle_option): -pedantic implies
5471 -Woverlength-strings, if not explicitly disabled already.
5472 (c_common_post_options): -Woverlength-strings defaults to off, and
5473 is always off for C++.
5474 * c-common.c (fix_string_type): Issue warning about strings longer
5475 than is portable only if warn_overlength_strings. Rearrange code
5476 a little for clarity.
5477 * configure.in: Check for -Wno-overlength-strings as well before
5478 enabling -pedantic in stage 1.
5479 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
5480 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
5482 * genconditions.c (write_header, write_one_condition)
5483 (write_conditions, write_writer): Consolidate very long strings
5484 that were broken up to fit in C89 portable limit. Don't use
5485 printf when fputs will do.
5487 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
5489 * combine.c (simplify_comparison <AND>): Check
5490 TRULY_NOOP_TRUNCATION before start using a subreg.
5492 * config/mips/mips.md (*branch_zero<mode>,
5493 *branch_zero<mode>_inverted, *branch_equality<mode>,
5494 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
5495 Remove mode check from comparisons.
5497 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
5499 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
5501 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5503 * expmed.c (const_mult_add_overflow_p): Remove.
5504 * expr.h: Remove the prototype for const_mult_add_overflow_p.
5506 * recog.c (validate_replace_rtx_subexp): Remove.
5507 * recog.h: Remove the prototype for
5508 validate_replace_rtx_subexp.
5510 * integrate.h: Remove the prototype for
5511 copy_decl_for_inlining.
5512 * rtl.h: Remove the prototype for mark_constant_function.
5513 * tree-vectorizer.h: Remove the prototype for
5514 vect_strip_conversion.
5516 * modulo-sched.c (create_partial_schedule,
5517 free_partial_schedule, reset_partial_schedule): Make them
5520 * hooks.c (hook_bool_rtx_int_false): Remove.
5521 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
5523 2006-01-28 David Edelsohn <edelsohn@gnu.org>
5525 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5526 and -mlong-double-128 are incompatible.
5527 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
5528 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
5529 (TARGET_LIBGCC2_CFLAGS): Define.
5530 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
5531 (TARGET_LIBGCC2_CFLAGS): Same.
5532 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
5534 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5537 * c-typeck.c (build_binary_op): Perform implicit casts of
5538 operands before shortening them.
5540 * cfgloopmanip.c (split_loop_bb): Remove.
5541 * cfgloop.h: Remove the prototype for split_loop_bb.
5543 * cfgloop.c (flow_loop_outside_edge_p): Remove.
5544 * cfgloop.h: Remove the prototype for
5545 flow_loop_outside_edge_p.
5547 * emit-rtl.c (init_virtual_regs): Make it static.
5548 * function.h: Remove the prototype for init_virtual_regs.
5550 * recog.c (peephole2_optimize): Make it static.
5551 * recog.h: Remove the prototype for peephole2_optimize.
5553 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5555 * df-scan.c (df_record_entry_block_defs): Check if
5556 INCOMING_RETURN_ADDR_RTX is defined.
5558 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
5559 Kenneth Zadeck <zadeck@naturalbridge.com>
5561 PR rtl-optimization/24762
5562 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5563 * targhooks.c (hook_void_bitmap): New hook prototype.
5564 * targhoohs.h (hook_void_bitmap): Ditto.
5565 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
5566 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
5567 * target.h (live_on_entry): New function pointer.
5568 * df-scan.c (df_all_hard_regs): Removed.
5569 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
5570 (df_scan_free_internal): Added df->entry_block_defs.
5571 (df_scan_alloc): Ditto.
5572 (df_scan_dump): Ditto.
5573 (df_uses_record): Plumbed flag field properly thru calls.
5574 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
5575 This part fixes PR24762.
5576 (df_bb_refs_record): Added code to make the frame and arg
5577 pointers live in EH blocks.
5578 (df_refs_record): Added call to df_record_entry_block_defs.
5579 (df_record_entry_block_defs): New function.
5580 * df-core.c: Added comments to describe new artifical defs.
5581 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
5582 (entry_block_defs): New field in struct df.
5583 (df_all_hard_regs): Deleted.
5584 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5585 * df-problems.c (df_ru_bb_local_compute_process_def):
5586 Added code to handle artifical defs in the entry to a function.
5587 (df_ru_bb_local_compute): Ditto.
5588 (df_rd_bb_local_compute_process_def): Ditto.
5589 (df_rd_bb_local_compute): Ditto.
5590 (df_lr_bb_local_compute): Ditto.
5591 (df_ur_bb_local_compute): Ditto.
5592 (df_urec_bb_local_compute): Ditto.
5593 (df_chain_create_bb): Ditto.
5594 (df_ur_local_finalize): Removed entry.
5595 (df_urec_init): Ditto.
5596 (df_urec_local_finalize): Ditto.
5597 (df_ri_bb_compute): Added detection of last use of pseudos.
5598 * Makefile.in (df-scan.o): Updated dependencies.
5599 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
5600 * config/mips/mips.c (mips_set_live_on_entry): Added.
5601 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
5603 * dce.c (marked_insn_p): Added code to handle artifical defs.
5605 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5607 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
5609 (_mm_cvtsi128_si64): Likewise.
5610 (_mm_cvtsd_si64): Likewise.
5611 (_mm_cvttsd_si64): Likewise.
5612 (_mm_cvtsi64_sd): Likewise.
5613 (_mm_cvtsi64_si128): Likewise.
5614 * config/i386/mmintrin.h (_m_from_int64): Likewise.
5615 (_mm_cvtsi64_m64): Likewise.
5616 (_m_to_int64): Likewise.
5617 (_mm_cvtm64_si64): Likewise.
5618 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
5619 (_mm_cvttss_si64): Likewise.
5620 (_mm_cvtsi64_ss): Likewise.
5621 (_mm_cvtss_f32): Likewise.
5623 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
5625 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
5626 for pragma redefine_extname.
5628 2006-01-27 Jakub Jelinek <jakub@redhat.com>
5631 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
5632 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
5633 -mno-minimal-toc to previous content.
5634 (bispecs): Remove goal.
5635 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
5636 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
5637 compatibility aliases on powerpc-*-*gnu*.
5638 * config/rs6000/libgcc-ppc-glibc.ver: New file.
5639 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
5640 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
5641 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
5642 (ldblspecs): New goal.
5643 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
5644 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
5646 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
5647 L_sf_to_tf or L_df_to_tf is defined.
5649 2006-01-27 David Edelsohn <edelsohn@gnu.org>
5650 Alan Modra <amodra@bigpond.net.au>
5653 * config/rs6000/linux.h (POWERPC_LINUX): Define.
5654 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
5655 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
5656 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
5657 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
5658 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
5659 (rs6000_override_options): Initialize rs6000_ieeequad.
5660 Initialize TFmode format to ibm_extended_format if not
5662 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
5664 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
5665 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
5666 (function_arg_advance): IBM long double passed in two FPRs, not
5668 (function_arg): IBM long double passed in FPRs.
5669 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
5670 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
5671 Only multireg GPR aligned.
5672 (rs6000_init_libfuncs): Enable IBM long double functions if not
5674 (rs6000_generate_compare): Use IBM long double compare if not
5676 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
5677 (TARGET_IEEEQUAD): Define.
5678 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
5679 not TARGET_IEEEQUAD.
5680 * config/rs6000/rs6000.md: Enable TFmode patterns if
5682 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
5683 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5684 and -mlong-double-128 are incompatible.
5685 * doc/invoke.texi (-mabi): Collect options together. Add
5686 ibmlongdouble and ieeelongdouble.
5688 2006-01-27 Richard Sandiford <richard@codesourcery.com>
5690 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
5692 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
5693 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
5694 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
5695 * rtl.h (rtunion_def): Remove rt_ptr.
5697 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
5698 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
5699 * config/i386/winnt.c (i386_pe_mark_dllexport)
5700 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
5702 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
5704 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
5706 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5710 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
5711 pthread_key_delete. From John David Anglin. gthrw-ify
5712 pthread_getunique_np only if it it's not a macro. Delete
5714 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
5715 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
5716 __gthread_objc_condition_signal, __gthread_key_delete): Add
5717 "__attribute__ ((__unused__))" to unused arguments.
5718 (__gthread_recursive_mutex_init_function): Add missing return.
5719 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
5720 gthr-posix95.h: Use macro-based approach for name redirection
5721 on targets missing weakref.
5723 2006-01-26 Zack Weinberg <zackw@panix.com>
5725 * genconditions.c (write_header): In generated code, #ifdef out
5726 all includes and fake declarations, except includes of bconfig.h
5727 and system.h, unless GCC_VERSION >= 3001. Do not include
5728 gensupport.h in any case.
5729 (write_conditions): Generate a definition of struct c_test. Add
5730 a comment to the generated #endif.
5731 (write_one_condition): Escape backslashes in string too.
5732 (write_writer): Generated code must escape backslashes and quote
5733 marks (but not newlines) in the strings it writes.
5734 * Makefile.in (build/gencondmd.o): Update dependencies.
5736 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5739 * Makefile.in (insn-automata.o): Add header file dependencies.
5740 * genautomata.c: Add includes.
5742 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5745 * Makefile.in (insn-automata.o): Add -Wno-error flag.
5747 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5749 * configure.ac: Expect target tools paths to be passed from the toplevel
5750 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
5752 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
5754 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5757 * c.opt (Wpointer-sign): Init to -1.
5758 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
5759 OPT_pedantic, to 0 otherwise.
5760 * doc/invoke.texi: Update.
5762 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5764 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
5765 constants provided by 80387 instructions in the destination mode.
5767 2006-01-26 Richard Guenther <rguenther@suse.de>
5768 Andrew Pinski <pinskia@physics.uc.edu>
5771 partial PR tree-opt/17064
5772 * tree-ssa-structalias.c (intra_create_variable_infos):
5773 Create heap variables for incoming parameters if
5774 flag_argument_noalias > 1.
5775 (find_what_p_points_to): Look through default defs of
5778 2006-01-26 Jeff Law <law@redhat.com>
5781 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
5782 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
5783 within the VR_RANGE, use the VR_RANGE as the result, not the
5785 (adjust_range_with_scev): Reject ranges from SCEV which are out of
5786 bounds for the type.
5788 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
5790 * tree-ssa-alias.c (maybe_create_global_var): Change
5791 subvar walking to an assertion that we don't have subvar'd variables.
5793 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
5796 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
5797 Use a new variable, inner. PARM_DECLs are always non-weak.
5799 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
5801 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
5804 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
5806 * config/mips/mips.md (*clear_upper32): New combiner pattern.
5808 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
5810 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
5811 (smax_insn, smin_insn, smax_0, smin_0): New.
5813 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
5816 * config/cris/cris.c (cris_order_for_addsi3): New function.
5817 * config/cris/cris-protos.h: Prototype it.
5818 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
5819 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
5820 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
5821 (split for "op.S1 [rx=rx+i],ry (swapped)")
5822 (split for "op(s|u).S1 [rx=rx+i],ry")
5823 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
5824 Apply cris_order_for_addsi3 when generating addsi3 insns.
5826 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5828 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
5829 (TREE_BLOCK): Add call to EXPR_CHECK.
5831 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5834 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
5835 * tree-pretty-print.c (dump_omp_clause): Extract from ...
5836 (dump_omp_clauses): ... here.
5837 (dump_generic_node): Handle OMP_CLAUSE.
5838 * tree.c (omp_clause_num_ops): New.
5839 (omp_clause_code_name): New.
5840 (tree_code_size): Handle OMP_CLAUSE.
5841 (tree_size): Likewise.
5842 (make_node): Document handling of OMP_CLAUSE.
5843 (tree_node_structure): Handle OMP_CLAUSE.
5844 (omp_clause_check_failed): New.
5845 (omp_clause_range_check_failed): New.
5846 (omp_clause_operand_check_failed): New.
5847 (build_omp_clause): New.
5848 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
5849 * tree.h (enum omp_clause_code): Declare.
5850 (OMP_CLAUSE_SUBCODE_CHECK): Define.
5851 (OMP_CLAUSE_RANGE_CHECK): Define.
5852 (OMP_CLAUSE_ELT_CHECK): Define.
5853 (omp_clause_check_failed): Declare.
5854 (omp_clause_operand_check_failed): Declare.
5855 (omp_clause_range_check_failed): Declare.
5856 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
5857 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
5858 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
5859 (OMP_CLAUSE_LASTPRIVATE): Likewise.
5860 (OMP_CLAUSE_IF_EXPR): Likewise.
5861 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
5862 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
5863 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
5864 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
5865 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
5866 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
5867 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
5868 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
5869 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
5870 (OMP_CLAUSE_CODE): Define.
5871 (OMP_CLAUSE_SET_CODE): Define.
5872 (OMP_CLAUSE_CODE): Define.
5873 (OMP_CLAUSE_OPERAND): Define.
5874 (struct tree_omp_clause): Declare.
5875 (union tree_node): Add field 'omp_clause'.
5876 * treestruct.def (TS_OMP_CLAUSE): Define.
5877 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
5878 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
5879 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
5880 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
5881 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
5882 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
5883 (OMP_CLAUSE): Define.
5884 * print-tree.c (print_node): Handle OMP_CLAUSE.
5885 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
5886 * c-typeck.c: Likewise.
5887 * gimplify.c: Likewise.
5888 * c-omp.c: Likewise.
5889 * tree-nested.c: Likewise.
5890 * tree-inline.c: Likewise.
5891 * c-parser.c: Likewise.
5892 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
5895 2006-01-25 Roger Sayle <roger@eyesopen.com>
5897 PR rtl-optimization/25703
5898 * combine.c (try_combine): Handle zero_extract and strict_low_part
5899 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
5901 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
5903 * global.c: Fix comment typos.
5905 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
5908 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
5909 Use output_addr_const instead of assemble_name.
5911 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
5913 * Makefile.in (sched-vis.o): Update dependencies.
5914 * haifa-sched.c (sched_finish): Clear current_sched_info.
5915 * cfg.c (dump_bb_info): New, split from dump_flow_info.
5916 (dump_flow_info): Call it.
5917 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
5919 * basic-block.h (dump_bb_info): Declare.
5920 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
5921 option, and apply options only for dump files whose TDF_RTL,
5922 TDF_TREE, or TDF_IPA bits match.
5923 * rtl.h: Declare new functions exported from sched-vis.c.
5924 * sched-vis.c: Enable also if scheduling is not used.
5925 (print_value): Print the mode of registers if not inside scheduling.
5926 (print_insn): Make it work outside the scheduler. Beautify the output
5928 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
5930 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5932 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
5933 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
5934 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
5935 depending on the value of CONSTANT_POOL_ADDRESS_P.
5936 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
5938 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
5939 rather than SYMBOL_REF_DECL.
5940 (rtx_constant_pool): Remove const_rtx_sym_htab.
5941 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
5942 (init_varasm_status): Don't initialize const_rtx_sym_htab.
5943 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
5944 Remove handling of const_rtx_sym_htab.
5945 (find_pool_constant): Delete.
5946 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
5947 rather than find_pool_constant.
5948 (get_pool_constant_for_function): Delete.
5949 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
5951 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
5952 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
5953 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
5954 (SYMBOL_REF_CONSTANT): New macro.
5955 (get_pool_constant_for_function): Delete.
5956 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
5957 rather than SYMBOL_REF_DECL.
5958 (i386_pe_mark_dllimport): Likewise.
5959 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
5960 rather than SYMBOL_REF_DECL.
5961 * config/darwin.c (machopic_indirect_data_reference): Likewise.
5962 (machopic_indirect_call_target): Likewise.
5964 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
5966 * flow.c (delete_noop_moves): Add missing EOL to dump message.
5968 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5970 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
5972 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
5974 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
5976 2006-01-24 David Daney <ddaney@avtrex.com>
5979 * configure.ac (enable_tls): New enable option.
5980 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
5981 * configure: Regenerate.
5982 * doc/install.texi (--enable-tls): Document new option.
5983 (--disable-tls): Ditto.
5985 2006-01-24 Richard Henderson <rth@redehat.com>
5987 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
5988 * alias.c (true_dependence): Respect it.
5989 (canon_true_dependence, write_dependence_p): Likewise.
5990 * builtins.c (get_builtin_sync_mem): Set it.
5992 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
5994 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
5997 2006-01-24 DJ Delorie <dj@redhat.com>
5999 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6000 for storing constants in single-bit bitfields.
6002 2006-01-25 Ben Elliston <bje@au.ibm.com>
6004 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6006 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6009 * tree-ssa-pre.c (phi_translate): Return NULL
6010 for AGGREGATE_TYPE's.
6012 2006-01-24 Zack Weinberg <zackw@panix.com>
6014 * genautomata.c (process_state_for_insn_equiv_partition):
6015 Use xcalloc for insn_arcs_array.
6016 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6017 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6019 2006-01-24 Richard Henderson <rth@redhat.com>
6021 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6024 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6026 PR rtl-optimization/25890
6027 PR rtl-optimization/25905
6028 * combine.c (expand_compound_operation, expand_field_assignment):
6029 Fail if the bitfield's final position is out of bounds.
6031 2006-01-24 Ian Lance Taylor <ian@airs.com>
6034 * cgraphunit.c (cgraph_output_in_order): Don't clear
6035 cgraph_asm_nodes until after asm strings have been output.
6037 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6039 * fix-header.c (read_scan_file): Add new parameter imultilib when
6040 calling register_include_chains.
6042 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6044 * omp-low.c: Update documentation.
6046 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6047 Daniel Berlin <dberlin@dberlin.org>
6051 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6052 return from the function.
6054 2006-01-22 Zack Weinberg <zackw@panix.com>
6056 * rtl.def (match_code): Add second argument.
6057 * genpreds.c (write_extract_subexp): New function.
6058 (write_match_code): Add path argument. Use write_extract_subexp.
6059 (write_predicate_expr): Pass path to write_match_code.
6060 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6061 not perform a mode test.
6062 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6063 a subexpression does not constrain the top-level code set.
6064 * read-rtl.c (read_rtx_variadic): New function.
6065 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6066 * doc/md.texi: Document new notation.
6067 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6068 (cmpsi_operand): ... here, using new notation.
6070 2006-01-22 Zack Weinberg <zackw@panix.com>
6072 * varray.c: Remove GENERATOR_FILE #ifdefs.
6074 2006-01-22 Zack Weinberg <zackw@panix.com>
6076 * genautomata.c (output_reserved_units_table): Emit nothing if
6077 description->query_units_num is zero. Remove extra blank line.
6078 (output_cpu_unit_reservation_p): Short circuit
6079 if description->query_units_num is zero.
6081 2006-01-22 Zack Weinberg <zackw@panix.com>
6083 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6084 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6085 nor any of the random handful of variables that used to be necessary
6086 when this program was linked with rtlanal.o. Prune set of forward
6087 function declarations.
6088 (struct attr_desc): Remove static_p field.
6089 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6090 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6091 (attr_string): Do not read the character one past the length of
6093 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6094 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6095 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6096 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6097 (make_automaton_attrs): New.
6098 (main): Do not call into genautomata. Call local gen_bypass
6099 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6100 Remove special case for insn_alts.
6101 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6102 varray.h (leftover from previous change). Prune set of forward
6103 function declarations. Remove state_alts fields from all
6104 structures. Remove state_alts_table from struct automaton.
6105 Make everything except main static. Do not maintain num_dfa_decls.
6106 Do not maintain state_alts fields of various structures.
6107 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6108 (add_arc): Remove state_alts argument. All callers updated.
6109 (output_reserved_units_table): Emit #ifdef here...
6110 (output_tables): ...not here. Don't generate state_alts tables.
6111 (expand_automata): Don't generate attributes.
6112 (write_automata): Don't generate state_alts functions.
6113 (main): New function.
6114 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6115 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6116 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6117 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6118 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6119 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6120 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6121 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6123 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6124 * genattrtab.h: Delete file.
6125 * Makefile.in (OBJS-common): Add insn-automata.o.
6126 (insn-automata.o): New rule.
6127 (simple_generated_c): Add insn-automata.c.
6128 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6129 (genprogmd): Add automata.
6130 (build/genattrtab): Needs no extra objects nor libraries.
6131 (build/genautomata): Needs build/vec.o and -lm.
6133 2006-01-22 Zack Weinberg <zackw@panix.com>
6135 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6136 (output_dfa_max_issue_rate, locked_states_num): Delete.
6137 (struct automaton): Add locked_states field.
6138 (output_dead_lock_vect): Save number of locked states in
6139 automaton->locked_states. If it is zero, don't print anything.
6140 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6141 (output_internal_dead_lock_func): Only test the dead_lock_vect
6142 for automata that have locked states.
6143 (output_statistics): Always print the number of locked states for
6144 each automaton. Calculate total number of locked states here.
6145 (write_automata): Don't call output_dfa_max_issue_rate.
6146 * genattrtab.c: Define length_unit_log as a const variable.
6147 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6148 max_insn_queue_index const.
6149 * final.c (length_unit_log): Declare const.
6150 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6152 2006-01-22 Zack Weinberg <zackw@panix.com>
6154 * genautomata.c: Include vec.h, not varray.h.
6155 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6156 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6157 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6158 VEC_* macros operating on appropriately typed vectors, or to
6159 malloced arrays when the size is known in advance. Const-ify
6160 many char* variables and function arguments. No functional changes.
6161 * Makefile.in (build/varray.o): Delete rule.
6162 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6163 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6165 2006-01-22 Zack Weinberg <zackw@panix.com>
6167 * gensupport.c: Define get_insn_name and record_insn_name here.
6168 (read_md_rtx): Call record_insn_name as appropriate.
6169 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6170 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6171 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6173 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6174 (BUILD_VARRAY): Delete.
6175 (genprognormal): Rename genprogmd. Fold in all programs from
6176 genprognoprint; also attrtab.
6177 (build/genattrtab): Just mention genautomata.o and varray.o.
6178 Reorganize a bit, add comments to make the categories clearer.
6180 2006-01-22 Zack Weinberg <zackw@panix.com>
6182 * genconditions.c (condition_table, add_condition): Delete.
6183 (write_conditions): Don't emit n_insn_conditions nor
6184 insn_elision_unavailable. Issue the gcc version #ifdef here,
6185 inside the table, with no #else clause ...
6186 (write_header): ...not here.
6187 (write_writer): New function.
6188 (main): Don't initialize condition_table. Use add_c_test.
6190 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6191 files on the command line.
6192 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6193 Return -1 if there is no entry in the table, don't abort.
6194 (add_c_test, traverse_c_tests): New functions.
6195 * gensupport.h (insn_elision_unavailable, insn_conditions)
6196 (n_insn_conditions): Delete declarations.
6197 (add_c_test, traverse_c_tests): Declare.
6198 * read-rtl.c: Include gensupport.h.
6199 (read_conditions): New function.
6200 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6201 (read_rtx_1): If we get EOF when we were looking for an initial
6202 open paren, return 0. Call read_conditions when appropriate.
6203 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6204 dummy-conditions.o. Eliminate references to insn-conditions.o,
6205 or change them to build/gencondmd.o, as appropriate. Remove
6206 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6207 from $(simple_generated_c). For all files remaining in those
6208 two lists, add insn-conditions.md to the generator command line.
6209 Give insn-constants.h/s-constants their own rules. Add rules
6210 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6211 (build/read-rtl.o): Depend on gensupport.h.
6212 (genprognormal): Include preds.
6213 (genprogearly): Rename genprognoprint; only difference is now that
6214 they don't link with $(BUILD_PRINT).
6215 * dummy-conditions.c: Delete.
6217 2006-01-22 Zack Weinberg <zackw@panix.com>
6219 * genextract.c: Don't include insn-config.h. Do include vec.h.
6220 Declare vectors of int, char, and locstr.
6221 (locstr): New typedef.
6222 (struct extraction): Make all array fields into bare pointers.
6223 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6224 (insn_code_number): Delete.
6225 (accum_extract): New struct.
6226 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6227 (gen_insn): Take insn_code_number as an argument. Use an
6228 accum_extract structure instead of loading data directly into
6229 a struct extraction, and having to know how big it might get.
6230 (walk_rtx): Operate entirely on an accum_extract structure.
6231 (print_path): Avoid unnecessary use of printf.
6232 (print_header): New function, split out of main. Distinguish
6233 more carefully between an unrecognizable insn and an insn that
6234 has the code number of a define_expand.
6235 (main): Pass insn_code_number to gen_insn. Call print_header
6236 only after parsing. Avoid unnecessary use of printf.
6237 * Makefile.in (build/vec.o): New rule.
6238 (build/genextract): Depend on build/vec.o.
6239 (build/genextract.o): Don't depend on insn-config.h.
6241 2006-01-22 Zack Weinberg <zackw@panix.com>
6243 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6244 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6245 practical. Eliminate per-generator-program link rules.
6247 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6250 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6251 with a call expr to ...
6252 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6254 2006-01-23 Richard Guenther <rguenther@suse.de>
6256 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6257 before make_edge with conditional EDGE_TRUE_VALUE.
6259 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6260 Jan Hubicka <jh@suse.cz>
6261 Richard Guenther <rguenther@suse.de>
6263 PR rtl-optimization/25654
6264 * cfgexpand.c (aggregate_contains_union_type): New function.
6265 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6266 for structure variables that contain a union type.
6268 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6270 * gengtype.c (new_structure): Return the structure.
6271 (create_option): Add an extra "next" argument.
6272 (create_field): New function.
6273 (adjust_field_rtx_def): Use create_option and create_field.
6274 Remove a now-unnecessary call to find_structure.
6275 (adjust_field_tree_def): Likewise.
6276 (note_yacc_type): Remove an unnecessary call to find_structure.
6277 * gengtype.h (new_structure): Return the structure.
6278 (create_option): Add an extra argument.
6279 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6280 (option): Adjust calls to create_option.
6282 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6284 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6286 2006-01-22 Paul Brook <paul@codesourcery.com>
6287 Peter Barada <peter@the-baradas.com>
6289 * config/m68k/m68k.md: Add Coldfire FPU support.
6290 Define FP mode macro and associated attributes.
6291 Use it for float mode patterns.
6292 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6293 (LIBCALL_VALUE): Use m68k_libcall_value.
6294 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6295 (m68k_function_value): Ditto.
6296 (emit_move_sequence): Ditto.
6297 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6298 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6299 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6300 (MULTILIB_EXCEPTIONS): Ditto.
6301 * config/m68k/m68k.opt: Add mcfv4e.
6302 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6303 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6304 (m68k_output_function_prologue): Save ColdFire FPU registers.
6305 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6306 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6307 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6308 ColdFire FPU registers.
6309 (m68k_libcall_value, m68k_function_value): New functions.
6310 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6311 (LIBCALL_VALUE): Use m68k_libcall_value.
6312 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6313 (MASK_COLDFIRE): Add MASK_CFV4E.
6314 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6315 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6316 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6317 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6318 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6319 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6320 * doc/invoke.tex: Document -mcfv4e on m68k.
6322 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6324 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6327 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6330 * c-opts.c (c_common_handle_option): Don't include
6331 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6332 * doc/invoke.texi (C++ Dialect Options): Document that
6333 -Wnon-virtual-dtor is no longer included in -Wall.
6335 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6337 * gcov.c (print_version), gcov-dump.c (print_version),
6338 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6341 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6343 * df-scan.c (problem_SCAN): Added NULL reset function.
6344 (df_scan_reset_blocks): Added code to call reset block function
6345 (df_bb_refs_delete) Fixed comment.
6346 (df_insn_refs_delete): Made tolerant of deleting non existent info
6347 for dataflow problems that need to be reset.
6348 * df-core.c (df_set_blocks): Ditto.
6349 * df.h (struct df_problem): Added reset_fun.
6350 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6351 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6352 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6353 functions to clear out all references to def-use or use-def chains.
6355 2006-01-21 Ben Elliston <bje@au.ibm.com>
6357 * varasm.c (assemble_real): Initialise data array.
6359 2006-01-20 Paul Brook <paul@codesourcery.com>
6361 Merge from csl-arm-branch.
6362 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6363 * config/arm/arm.md (movdi): Force operands[1] to a register
6364 if we have a non-register source.
6365 (*arm_movdi, *movdf_soft_insn): Require that one of the
6366 operands be a register.
6367 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6368 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6370 2006-01-20 DJ Delorie <dj@redhat.com>
6372 * varasm.c (initialize_constant_valid_p): Allow pointers
6373 initialized from integer constants of lesser precision.
6374 (output_constant): Allow non-int-sized pointer modes to be
6375 initialized from integer constants.
6377 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6380 * cppdefault.h (struct default_include): Add multilib flag.
6381 * cppdefault.c (cpp_include_defaults): Set it.
6382 * c.opt (-imultilib): New option.
6383 * c-opts.c (imultilib): New.
6384 (c_common_handle_option): Handle -imultilib.
6385 (c_common_post_options): Likewise.
6386 * c-incpath.c (add_standard_paths, register_include_chains):
6388 * c-incpath.h (register_include_chains): Add extra parameter.
6389 * gcc.c (do_spec_1): Generate -imultilib option.
6390 (The Specs Language): Update %I description.
6391 (process_command): Update copyright notice.
6392 * doc/cppopts.texi (-imultilib): Document.
6393 * doc/invoke.texi (-imultilib): Include in option summary.
6394 (%I): Update specs documentation.
6396 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6398 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6400 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6402 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6405 2006-01-20 Richard Guenther <rguenther@suse.de>
6406 Steven Bosscher <stevenb.gcc@gmail.com>
6408 PR rtl-optimization/24626
6409 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6410 EDGE_TRUE_VALUE if in RTL mode.
6413 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6414 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6416 2006-01-20 Dirk Mueller <dmueller@suse.com>
6419 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6420 instead of a special NOP marker.
6421 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6422 NOP marker handling.
6423 * c-common.h (empty_body_warning): Add forward declaration.
6424 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6425 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6427 2006-01-20 Paul Brook <paul@codesourcery.com>
6429 * Makefile.in (lang_checks): Keep going if mkdir fails.
6431 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6433 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6434 be able to clean out basic block when not necessary.
6435 (df_scan_free): Fixed to properly delete information if df is
6436 unused before calling df_finish.
6437 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6438 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6440 (df_bb_refs_delete): New function.
6441 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6442 * df-core.c (df_set_blocks): Added code to properly clean out
6443 unused blocks if they are not part of the blocks to consider.
6444 Added additional null check.
6445 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6446 be able to clean out basic block when not necessary
6447 * df.h (df_free_bb_function): Ditto.
6448 (df_bb_refs_delete): New function.
6449 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6450 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6451 basic block parameter to be able to clean out basic block when not
6453 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6454 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6455 Fixed to properly delete information if df is unused before
6458 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6460 PR rtl-optimization/25799
6461 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
6462 Corrected confluence operator to remove bits from op2 before oring
6463 with op1 rather than removing bits from op1.
6464 (df_ru_transfer_function): Corrected test on wrong bitmap which
6465 caused infinite loop. Both of these problems were introduced in
6466 the dataflow rewrite.
6468 2006-01-19 DJ Delorie <dj@redhat.com>
6470 * reload1.c (find_reload_regs): Note the details of reload
6471 failures in the dump file.
6472 (spill_failure): Likewise.
6474 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6476 * loop-iv.c: Include df.h and hashtab.h.
6477 (enum iv_grd_result): New enum.
6478 (DF_REF_IV, DF_REF_IV_SET): New macros.
6479 (struct biv_entry): New.
6480 (df, bivs): New global variables.
6481 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
6482 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
6484 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
6485 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
6486 analyzed_for_bivness_p, record_biv): New functions.
6487 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
6488 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
6489 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
6491 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
6493 (iv_number_of_iterations): Use new interface to iv analysis.
6494 * loop-unroll.c: Do not include varray.h.
6495 (analyze_iv_to_split_insn): Use new interface to iv
6497 * loop-unswitch.c (may_unswitch_on): Ditto.
6498 * df.c (df_bitmaps_free): Only work for bbs for that structures are
6500 (df_bb_modify): Realloc tables to the new index.
6501 (df_find_use): New function.
6502 * df.h (df_find_use): Declare.
6503 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
6505 * cfgloop.h (struct rtx_iv): Remove analysed field.
6506 (iv_get_reaching_def): Removed.
6507 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
6508 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
6509 (loop-iv.o): Add df.h and hashtab.h dependency.
6510 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
6512 2006-01-20 Alan Modra <amodra@bigpond.net.au>
6515 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
6517 (__floatundisf, __floatundidf): Likewise.
6518 * libgcc2.h (IS_IBM_EXTENDED): Define.
6520 2006-01-19 DJ Delorie <dj@redhat.com>
6522 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
6524 2006-01-19 Paul Brook <paul@codesourcery.com>
6526 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
6527 as nothrow when unwinding tables are disabled.
6529 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6532 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
6533 of bit-field" when in system header.
6535 2006-01-19 DJ Delorie <dj@redhat.com>
6537 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
6538 the 16 bit shift limit of the m16c.
6540 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
6543 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
6544 * config/i386/i386.c (output_set_got): Output the label if we have one
6545 for the TARGET_DEEP_BRANCH_PREDICTION case.
6547 2006-01-19 Jan Hubicka <jh@suse.cz>
6548 H.J. Lu <hongjiu.lu@intel.com>
6549 Evandro Menezes <evandro.menezes@amd.com>
6551 * invoke.texi (generic): Document
6553 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
6554 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
6555 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
6556 (x86_use_incdec, x86_pad_returns): New variables
6557 (TARGET_CPU_DEFAULT_generic): New constant
6558 (TARGET_CPU_DEFAULT_NAMES): Add generic.
6559 (enum processor_type): Add generic32 and generic64.
6560 * i386.md (cpu attribute): Add generic32/generic64
6561 (movhi splitter): Behave sanely when both partial_reg_dependency and
6562 partial_reg_stall are set.
6563 (K8 splitters): Enable for generic as well.
6564 * predicates.md (incdec_operand): Use TARGET_INCDEC
6565 (aligned_operand): Avoid memory mismatch stalls.
6566 * athlon.md: Enable for generic64, new patterns for 128bit moves.
6567 * ppro.md: Enable for generic32
6568 * i386.c (generic64_cost, generic32_cost): New.
6569 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
6570 (x86_use_leave): Enable for generic64. (x86_use_sahf,
6571 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
6572 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
6573 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
6574 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
6575 x86_partial_reg_dependency, x86_memory_mismatch_stall,
6576 x86_accumulate_outgoing_args, x86_prologue_using_move,
6577 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
6578 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
6580 (x86_use_incdec, x86_pad_returns): New.
6581 (override_options): Add generic32 and generic64, translate "generic"
6582 to generic32/generic64 and "i686" to "generic32", refuse
6583 "generic32"/"generic64" as arch target.
6584 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
6585 (ix86_reorg): Honor PAD_RETURNS.
6587 2006-01-19 Diego Novillo <dnovillo@redhat.com>
6589 * tree-pretty-print.c (dump_generic_node): Handle
6590 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
6591 * cgraph.c (cgraph_expand_queue): Rename from
6592 cgraph_analyze_queue. Update all users.
6593 * cgraphunit.c (cgraph_assemble_pending_functions): Process
6594 cgraph_expand_queue.
6595 (cgraph_expand_all_functions): Likewise.
6596 (cgraph_finalize_pending_functions): Remove. Update callers.
6598 * tree.h (OMP_DIRECTIVE_P): Define.
6599 (OMP_PARALLEL_FN): Define.
6600 (OMP_PARALLEL_DATA_ARG): Define.
6601 (OMP_SECTIONS_SECTIONS): Define.
6602 * tree-pass.h (pass_expand_omp): Declare.
6603 * omp-low.c (struct omp_region): Declare.
6604 (struct omp_context): Remove fields 'parallel_type',
6605 'parallel_start_ix' and 'parallel_start_additional_args'.
6607 (struct omp_for_data): Rename from struct expand_omp_for_data.
6608 (omp_regions): New static variable.
6609 (root_omp_region): New static variable.
6610 (find_omp_clause): Make static.
6611 (is_in_combined_parallel_ctx): Remove.
6612 (is_combined_parallel): New.
6613 (extract_omp_for_data): Move earlier in the file.
6614 (workshare_safe_to_combine_p): New.
6615 (get_ws_args_for): New.
6616 (determine_parallel_type): Move earlier in the file.
6617 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
6619 (omp_copy_decl): Likewise.
6620 (create_omp_child_function): Likewise.
6621 (lookup_omp_region): New.
6622 (dump_omp_region): New.
6623 (debug_omp_region): New.
6624 (debug_all_omp_regions): New.
6625 (new_omp_region): New.
6626 (scan_omp_parallel): If parallel_nesting_level > 1, the
6627 directive is nested within another parallel directive.
6628 Set OMP_PARALLEL_FN.
6629 (scan_omp_for): Do not try to handle combined parallel+for
6631 Remove FIXME comment.
6632 (scan_omp_nested): Remove.
6633 (scan_omp_1): Do not call scan_omp_nested when
6634 parallel_nesting_level is > 1.
6635 Do not change the DECL_CONTEXT of local variables found.
6636 (lookup_decl_in_outer_ctx): New.
6637 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
6638 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
6639 (lower_reduction_clauses): Rename from expand_reduction_clauses.
6640 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
6641 If CTX is nested, lookup VAR in the outer context when
6642 building copy assignment.
6643 (lower_send_clauses): Rename from expand_send_clauses.
6644 If CTX is nested, lookup VAR in the outer context when
6645 building copy assignments.
6646 (lower_send_shared_vars): Rename from expand_send_shared_vars.
6647 If CTX is nested, lookup VAR in the outer context when
6648 building copy assignments.
6649 (expand_parallel_call): Rename from build_parallel_call.
6650 Handle combined parallel+workshare cases.
6651 Re-implement to emit code into the CFG.
6653 (expand_omp_parallel): Re-implement to emit code into the CFG.
6654 Call move_sese_region_to_fn to outline the sub-graph
6655 containing the parallel region.
6656 (expand_omp_for_1): Remove.
6657 (expand_omp_for_generic): Re-implement to emit code into the
6659 (expand_omp_for_static_nochunk): Likewise.
6660 (expand_omp_for_static_chunk): Likewise.
6661 (expand_omp_for): Likewise.
6662 (expand_omp_sections): Likewise.
6663 (remove_exit_barriers): New.
6664 (expand_omp_synch): New.
6666 (build_omp_regions_1): New.
6667 (build_omp_regions): New.
6668 (execute_expand_omp): New.
6669 (gate_expand_omp): New.
6670 (pass_expand_omp): Define.
6671 (lower_omp_sections): Rename from expand_omp_sections.
6672 Set OMP_SECTIONS_SECTIONS.
6673 (lower_omp_single_simple): Rename from expand_omp_single_simple.
6674 (lower_omp_single_copy): Rename from expand_omp_single_copy.
6675 (lower_omp_single): Rename from expand_omp_simple.
6676 (lower_omp_master): Rename from expand_omp_master.
6677 (lower_omp_ordered): Rename from expand_omp_ordered.
6678 (lower_omp_critical): Rename from expand_omp_critical.
6679 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
6680 (lower_omp_for): Re-implement.
6681 (lower_omp_parallel): Re-implement.
6682 (lower_regimplify): Rename from expand_regimplify.
6683 (lower_omp_1): Rename from expand_omp_1.
6684 If there are syntax errors in the program, replace every
6685 OpenMP directive with NOP.
6686 Call lower_omp_* instead of expand_omp_*.
6687 (lower_omp): Rename from expand_omp.
6689 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
6690 * tree-gimple.h (enum omp_parallel_type): Remove.
6691 (gimple_boolify): Declare extern.
6692 (find_omp_clause, determine_parallel_type): Remove.
6694 * gimple-low.c (lower_omp_directive): New.
6695 (lower_stmt): Call it.
6696 (record_vars_into): Move from ...
6697 (record_vars): ... here.
6698 Call record_vars_into with current_function_decl.
6700 * gimplify.c (struct gimplify_ctx): Remove fields
6701 combined_pre_p and combined_ctxp. Update users.
6702 (get_formal_tmp_var): Add documentation.
6703 (gimple_boolify): Make extern.
6704 (gimplify_expr_in_ctx): Remove. Update callers.
6705 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
6706 will always be a BIND_EXPR.
6707 (gimplify_expr): Handle OMP_RETURN_EXPR.
6708 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
6709 (OMP_PARALLEL): Add 3 operands.
6710 (OMP_SECTIONS): Add 1 operand.
6711 (OMP_RETURN_EXPR): Define.
6713 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
6714 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
6715 * tree-iterator.c (alloc_stmt_list): Assert that we are not
6716 creating a circular free list.
6717 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
6719 * tree-flow.h (move_sese_region_to_fn): Declare.
6720 (record_vars_into): Declare.
6721 * tree-cfg.c (make_omp_sections_edges): New.
6722 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
6723 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
6724 OMP_SECTIONS and OMP_SECTION.
6725 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
6726 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
6727 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
6728 (gather_blocks_in_sese_region): New.
6729 (struct move_stmt_d): Declare.
6731 (move_block_to_fn): New.
6732 (move_sese_region_to_fn): New.
6734 * passes.c (init_optimization_passes): Schedule
6735 pass_expand_omp after pass_init_datastructures.
6737 * tree-ssa-operands.c (get_expr_operands): Handle
6738 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
6739 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
6741 2006-01-19 Jeff Law <law@redhat.com>
6743 * tree-vrp.c (extract_range_from_assert): Refine the result range
6744 if the variable referenced by the ASSERT_EXPR has a range and
6745 either the tentative result range or the previous range is a
6748 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6750 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
6752 2006-01-19 Jan Hubicka <jh@suse.cz>
6754 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
6756 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
6758 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
6759 (expand_compound_operation, expand_field_assignment): Fail if the
6760 bit lengths of an extract operation are out of range.
6761 (make_extraction): Compute wanted_inner_mode based on the position
6762 and length of the extraction. Make it extraction_mode for non-constant
6763 positions, and do not modify offset in that case. When generating a
6764 new MEM, use a mode that can hold the extraction while keeping correct
6765 alignment. Remove code that supported MEMs wrapped by USEs.
6766 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
6768 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
6770 * config/s390/s390.md ("Y", "y"): New mode attribute.
6771 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6772 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
6773 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
6774 "*addsi3_imm_cc", "*addsi3_carry1_cc",
6775 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
6776 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
6777 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
6778 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
6779 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
6780 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
6781 "addsi3", "subsi3"): Insn patterns removed.
6782 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
6783 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
6784 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
6785 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
6786 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
6787 "*sub<mode>3_cconly2"): New insn patterns.
6788 ("addsi3", "subsi3"): New expanders.
6790 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
6792 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
6793 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
6794 existing STMT_VINFO_VECTYPE if available.
6795 (vect_mark_relevant): Add special handling for stmts that are
6796 marked as STMT_VINFO_IN_PATTERN_P.
6797 (vect_analyze_loop): Call vect_pattern_recog.
6798 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
6799 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
6801 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
6802 (vect_recog_func_ptr): New function-pointer type.
6803 * tree-vect-patterns.c: New file.
6804 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
6805 (vect_recog_dot_prod_pattern, vect_pattern_recog):
6806 (vect_pattern_recog_1): New functions.
6807 (vect_pattern_recog_funcs): New array of function pointers.
6809 * tree-vectorizer.h (ternary_op): New enum value.
6810 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
6811 declaration. Revised documentation. Removed redundant dump prints.
6812 Removed redundant argument. Added support for reduction patterns.
6813 (vectorizable_reduction): Added support for reduction patterns.
6814 (vect_transform_stmt): Added support for patterns.
6816 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
6817 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
6818 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
6819 (expand_widen_pattern_expr): New function.
6820 (init_optabs): Initialize new optabs udot_prod_optab,
6822 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
6823 (sdot_prod_optab, udot_prod_optab): Define new optabs.
6824 (expand_widen_pattern_expr): New function declaration.
6825 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
6827 * tree-inline.c (estimate_num_insns_1): Added cases for new
6828 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6829 * tree-pretty-print.c (dump_generic_node): Likewise.
6830 (op_prio): Likewise.
6831 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6832 * tree-ssa-operands.c (get_expr_operands): Added case for
6834 * tree-vect-patterns.c (widened_name_p): New function.
6835 (vect_recog_dot_prod_pattern): Added function implementation.
6836 * tree-vect-transform.c (get_initial_def_for_reduction): Added
6837 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
6838 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
6839 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
6841 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
6842 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
6843 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
6844 (init_optabs): Initialize new optabs widen_ssum_optab,
6846 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
6847 (widen_ssum_optab, widen_usum_optab): Define new optabs.
6848 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
6849 use instead of type of def.
6850 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
6851 function implementation.
6852 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
6853 widen_ssumv8hi): New.
6855 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
6858 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6861 * c-decl.c (add_flexible_array_elts_to_size): New function.
6862 (finish_decl): Use it.
6864 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
6866 * diagnostic.h: Include options.h.
6867 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
6868 dependancies for diagnostic.h.
6869 * Makefile.in (DIAGNOSTIC_H): Add options.h.
6871 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
6873 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
6874 (ssa_ro_call_cache_valid): Ditto.
6875 * tree-ssa-alias.c (sort_tags_by_id): New function.
6876 (init_transitive_clobber_worklist): Ditto.
6877 (add_to_worklist): Ditto.
6878 (mark_aliases_call_clobbered): Ditto.
6879 (compute_tag_properties): Ditto.
6880 (set_initial_properties): Ditto.
6881 (compute_call_clobbered): Ditto.
6882 (compute_may_aliases): Call compute_call_clobbered and grouping.
6883 (compute_flow_sensitive_aliasing): Remove clobbering related code.
6884 (compute_flow_insensitive_aliasing): Grouping now happens in our
6886 (setup_pointers_and_addressables): Remove clobbering related code.
6887 (add_may_alias): Ditto.
6888 (replace_may_alias): Ditto.
6889 (get_nmt_for): Ditto.
6890 (create_global_var):
6891 (is_escape_site): Return an escape_type enumeration.
6892 * tree-flow-inline.h (is_call_clobbered): Global var does not
6893 imply call clobbered.
6894 (mark_call_clobbered): Take a reason for marking this. Remove
6895 marking of globalness, and cache invalidation.
6896 (clear_call_clobbered): Remove cache invalidation code.
6897 * tree-dfa.c (dump_variable): If details is on, dump the reason
6899 * tree-outof-ssa.c (create_temp): Copy escape mask from original
6901 * tree-flow.h (struct ptr_info_def): Add escape mask member.
6902 (struct var_ann_d): Ditto.
6903 (enum escape_type): New.
6904 (mark_call_clobbered): Adjust prototype.
6905 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
6906 are never call clobbered.
6907 Record reasons for escaping.
6908 * tree-ssa-structalias.h (is_escape_site): Update prototype.
6909 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
6910 (ssa_ro_call_cache_valid): Ditto.
6911 (clobbered_v_may_defs): Ditto.
6912 (clobbered_vuses): Ditto.
6913 (ro_call_vuses): Ditto.
6914 (clobber_stats): New.
6915 (init_ssa_operands): Zero out clobber stats.
6916 (fini_ssa_operands): Print out clobber stats.
6917 (get_call_expr_operands): Pass callee fndecl to
6919 (add_call_clobber_ops): Remove use of cache.
6920 Add use of PURE_CONST information.
6921 (add_call_read_ops): Remove use of cache.
6922 Add use of static not_read information.
6924 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
6926 Introduce TLS descriptors for i386 and x86_64.
6927 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
6928 (TARGET_ANY_GNU_TLS): New macro.
6929 (enum tls_dialect): Added TLS_DIALECT_GNU2.
6930 (struct machine_function): Add tls_descriptor_call_expanded_p.
6931 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
6932 (ix86_current_function_calls_tls_descriptor): Likewise.
6933 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
6934 (override_options): Introduce gnu2 tls dialect.
6935 (ix86_frame_pointer_required): Functions containing TLSCALLs are
6937 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
6939 (legitimize_tls_address): Adjust logic for GNU2 TLS.
6940 (ix86_init_machine_status): Initialize new field.
6941 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
6942 (ix86_tls_module_base): New.
6943 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
6944 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
6945 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
6946 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
6947 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
6948 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
6949 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
6950 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
6951 * config/i386/predicates.md (tls_modbase_operand): New.
6952 (tp_or_register_operand): New.
6954 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
6956 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
6957 (look_for_address_of): Ditto.
6958 (ipa_init): Walk the function decls.
6959 (static_execute): Don't set readonly on FUNCTION_DECL's.
6961 2006-01-18 Roger Sayle <roger@eyesopen.com>
6963 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
6964 for shifts where the source and destination registers are different.
6966 2006-01-18 Paul Brook <paul@codesourcery.com>
6968 Merge from csl-arm-branch.
6969 2005-03-14 Julian Brown <julian@codesourcery.com>
6970 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
6971 (aeabi_llsl): Likewise.
6972 (ashrdi3): Likewise.
6973 (aeabi_lasr): Likewise.
6974 (lshrdi3): Likewise.
6975 (aeabi_llsr): Likewise.
6976 2005-03-10 Julian Brown <julian@codesourcery.com>
6977 * config.gcc: Disable shared libgcc for SymbianOS.
6978 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
6980 2006-01-18 DJ Delorie <dj@redhat.com>
6982 * c-pragma.c (handle_pragma_diagnostic): New.
6983 (init_pragma): Register it.
6984 * doc/extend.texi: Document it.
6986 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
6987 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
6988 (diagnostic_context): Add classify_diagnostic[].
6989 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
6990 as errors if they're overridden to DK_WARNING.
6991 (diagnostic_initialize): Initialize classify_diagnostic[].
6992 (diagnostic_set_kind_override): New.
6993 (diagnostic_report_diagnostic): Check for kind changes.
6994 * opts.c (common_handle_option): Take lang_mask. Update callers.
6996 * common.opt (Werror=): New.
6997 * doc/invoke.texi: Document -Werror=*
6999 2006-01-18 Jeff Law <law@redhat.com>
7001 * tree-vrp.c (test_for_singularity): Correct test for new
7002 min limit. Use operand_equal_p rather than pointer equality
7003 for testing if new min/max values are equal.
7005 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7006 using range information until after propagation and folding.
7008 2006-01-18 Richard Henderson <rth@redhat.com>
7009 Aldy Hernandez <aldyh@redhat.com>
7010 Jakub Jelinek <jakub@redhat.com>
7011 Diego Novillo <dnovillo@redhat.com>
7013 * omp-low.c: New file.
7014 * c-omp.c: New file.
7016 2006-01-18 Richard Henderson <rth@redhat.com>
7017 Jakub Jelinek <jakub@redhat.com>
7018 Diego Novillo <dnovillo@redhat.com>
7020 * doc/invoke.texi: Document -fopenmp.
7021 * tree-dump.h (debug_function): Declare.
7022 * hooks.c (hook_bool_tree_bool_false): New function.
7023 (hook_tree_tree_null): Remove.
7024 (hook_tree_tree_tree_null): New.
7025 * hooks.h: Update to match.
7026 * tree-pretty-print.c (debug_tree_chain): New.
7027 (print_generic_expr): Handle TDF_CHAIN.
7028 (dump_generic_node): Handle BLOCK.
7029 Do not abort with incomplete SWITCH_EXPRs.
7030 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7031 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7032 print space after directive name.
7033 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7034 Handle OMP_MASTER and OMP_ORDERED.
7035 Handle printing of OMP_BODY just in one place, goto
7036 dump_omp_body in the rest of OMP_* nodes that have
7038 Don't handle clause nodes here. Update omp statements to
7039 use dump_omp_clauses.
7040 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7041 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7042 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7043 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7044 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7045 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7046 Adjust output for GOMP_PARALLEL.
7047 (dump_omp_clauses): New.
7048 (print_declaration): Dump DECL_VALUE_EXPR.
7049 (op_symbol_1): Split out of op_symbol.
7050 (dumping_stmts): Remove. Update all users.
7051 * cgraph.c (cgraph_analyze_queue): New.
7052 (cgraph_add_new_function): New.
7053 * cgraph.h (cgraph_analyze_queue): Declare.
7054 (cgraph_add_new_function): Declare.
7055 (cgraph_lower_function): Remove.
7056 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7057 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7058 and TYPE_P nodes in its default clause.
7059 (empty_body_p): New.
7060 (tree_range_check_failed): New.
7062 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7063 OMP_CLAUSE_REDUCTION_MERGE,
7064 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7065 OMP_CLAUSE_PRIVATE_DEBUG,
7066 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7067 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7068 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7069 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7070 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7071 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7072 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7073 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7074 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7075 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7076 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7077 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7078 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7079 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7080 (TREE_RANGE_CHECK): New.
7081 (empty_body_p): Declare.
7082 (enum omp_clause_default_kind): New.
7083 (build_string_literal): Declare.
7084 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7085 (build5_stat, build5): Declare.
7086 * tree-pass.h (TDF_CHAIN): Define.
7087 * tree-pass.h (PROP_gimple_lomp): Define.
7088 (pass_lower_omp): Declare.
7089 * diagnostic.h (debug_tree_chain): Declare.
7090 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7092 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7093 * builtins.c (build_string_literal): Make extern.
7094 * gcc.c (include_spec_function): New.
7095 (static_spec_functions): Add it.
7096 (main): Move load of libgomp.spec ...
7097 (LINK_COMMAND_SPEC): ... here.
7098 (link_gomp_spec): New.
7099 (static_specs): Include it.
7100 (LINK_COMMAND_SPEC): Add link_gomp.
7101 (GOMP_SELF_SPECS): New.
7102 (driver_self_specs): Include it.
7103 (switch_matches): Don't mark inline.
7104 (main): Load libgomp.spec.
7105 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7106 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7107 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7108 * tree-gimple.h (enum omp_parallel): Declare.
7109 (determine_parallel_type): Declare.
7110 (omp_firstprivatize_variable): Declare.
7111 (omp_reduction_init): Declare.
7112 (diagnose_omp_structured_block_errors): Declare.
7113 (struct walk_stmt_info): Add want_return_expr.
7114 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7115 (find_omp_clause): Declare.
7116 (insert_field_into_struct): Declare.
7117 (struct walk_stmt_info): Move from tree-nested.c
7118 (walk_stmts): Declare.
7119 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7121 * cgraphunit.c (cgraph_lower_function): Make static.
7122 (cgraph_finalize_pending_functions): New.
7123 (cgraph_finalize_function): Call it.
7124 (cgraph_finalize_compilation_unit): Likewise.
7125 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7126 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7127 (BT_FN_UINT_UINT): New.
7128 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7129 DEF_FUNCTION_TYPE_VAR_4): Document.
7130 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7131 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7132 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7133 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7134 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7135 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7136 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7137 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7138 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7139 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7140 into separate files.
7141 (DEF_GOMP_BUILTIN): New.
7142 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7143 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7144 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7145 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7146 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7147 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7148 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7149 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7150 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7151 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7152 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7153 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7154 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7155 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7156 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7157 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7158 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7159 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7160 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7161 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7162 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7163 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7164 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7165 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7166 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7167 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7168 * sync-builtins.def: New file, moved from builtins.def.
7169 * omp-builtins.def: New file, moved from builtins.def.
7170 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7171 * gimple-low.c (lower_function_body): Clear data.
7172 (lower_stmt): Do not handle COMPOUND_EXPR.
7173 Remove call to print_node_brief.
7174 * c-tree.h (c_finish_omp_clauses): New prototype.
7175 (C_DECL_THREADPRIVATE_P): Define.
7176 (lookup_name_no_remap, c_omp_remap_private): Remove
7177 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7178 (check_for_loop_decls): Update decl.
7179 (lookup_name_no_remap, c_omp_remap_private): Declare.
7180 (build_indirect_ref, build_modify_expr, pushdecl,
7181 pushdecl_top_level): Move to c-common.h.
7182 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7183 before the switch, but just in the 2 places that need it.
7184 * c-decl.c (diagnose_mismatched_decls): Do not check for
7185 mismatched thread-local attributes when OLDDECL is marked
7186 threadprivate and NEWDECL has no thread-local attributes.
7187 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7188 (c_gimple_diagnostics_recursively): Rename from
7189 c_warn_unused_result_recursively. Invoke
7190 diagnose_omp_structured_block_errors.
7191 (check_for_loop_decls): Return a singular decl found.
7192 * langhooks.c (lhd_omp_predetermined_sharing): Return
7193 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7194 (lhd_omp_firstprivatize_type_sizes): New.
7195 (lhd_omp_assignment): New.
7196 (lhd_omp_predetermined_sharing): New.
7197 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7198 (struct lang_hooks_for_types): Add
7199 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7200 omp_predetermined_sharing, omp_disregard_value_expr,
7201 omp_private_debug_clause, omp_clause_default_ctor,
7202 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7203 (c_finish_omp_clauses): New.
7204 (c_finish_bc_stmt): Diagnose break within omp for.
7205 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7206 (build_unary_op): Return error_mark after reporting
7208 (build_modify_expr): Likewise.
7209 * gimplify.c: Include optabs.h and pointer-set.h.
7210 (enum gimplify_omp_var_data): Declare.
7211 (struct gimplify_omp_ctx): Declare.
7212 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7214 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7215 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7216 (splay_tree_compare_decl_uid): New.
7217 (new_omp_context): New.
7218 (delete_omp_context): New.
7219 (gimple_add_tmp_var): Call omp_add_variable.
7220 (gimplify_bind_expr): Likewise.
7221 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7222 true, disregard DECL_VALUE_EXPR on the decl if any.
7223 (gimplify_expr_in_ctx): New.
7224 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7225 omp_add_variable, omp_notice_variable, omp_is_private
7226 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7227 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7228 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7229 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7230 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7231 gimplify_omp_atomic): New.
7232 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7233 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7234 OMP_CRITICAL and OMP_ATOMIC.
7235 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7236 * c-pragma.h (enum pragma_kind): Add
7237 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7238 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7239 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7240 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7241 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7242 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7243 PRAGMA_OMP_THREADPRIVATE.
7244 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7245 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7246 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7247 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7248 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7249 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7250 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7251 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7252 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7253 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7254 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7255 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7256 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7258 (struct nesting_info): Add field_map,
7259 suppress_expansion, debug_var_chain.
7260 (create_nesting_tree): Initialize them.
7261 (lookup_field_for_decl): Use field_map.
7262 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7263 (convert_local_omp_clauses): New.
7264 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7265 (walk_body): Split out of walk_function.
7266 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7267 (convert_nonlocal_reference): Handle omp statements.
7268 (convert_local_reference): Likewise.
7269 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7270 (unnest_nesting_tree): New.
7271 (lower_nested_functions): Call it.
7272 (insert_field_into_struct): Make extern.
7273 (struct walk_stmt_info): Move to tree-gimple.h.
7274 (walk_stmts): Make extern.
7275 * omp-builtins.def: New file.
7276 * tree-iterator.c (expr_only): Clarify comment.
7277 * c-common.h (pushdecl_top_level, pushdecl,
7278 build_modify_expr, build_indirect_ref,
7279 c_finish_omp_master, c_finish_omp_critical,
7280 c_finish_omp_ordered, c_finish_omp_barrier,
7281 c_finish_omp_atomic, c_finish_omp_flush,
7282 c_finish_omp_for, c_split_parallel_clauses,
7283 omp_clause_default_kind, c_omp_sharing_predetermined,
7284 c_omp_remap_decl): Declare.
7285 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7286 (OBJS-common): Add omp-low.o.
7287 (c-omp.o, omp-low.o): Add.
7288 (gimplify.o): Add dependency on $(OPTABS_H).
7289 (GTFILES): Add omp-low.c.
7290 (gt-stringpool.h): Add.
7291 * tree-cfg.c (set_bb_for_stmt): Do not update the
7292 block-to-labels map if we are currently expanding to RTL.
7293 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7295 Handle IDENTIFIER_NODE.
7296 (tree_verify_flow_info): Do not ICE when emitting error
7297 messages about invalid labels.
7298 (dump_function_to_file): Reset CFUN before emitting the body
7300 (debug_function): New.
7301 * passes.c (init_optimization_passes): Schedule
7303 * langhooks-def.h (lhd_omp_predetermined_sharing,
7304 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7306 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7307 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7308 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7309 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7310 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7311 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7312 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7313 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7314 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7315 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7316 (LANG_HOOK_DECLS): Use them.
7318 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7319 Richard Henderson <rth@redhat.com>
7320 Jakub Jelinek <jakub@redhat.com>
7321 Diego Novillo <dnovillo@redhat.com>
7323 * c-parser.c (pragma_omp_clause): Define.
7324 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7325 (c_parser_compound_statement): Likewise.
7326 (c_parser_statement): Likewise.
7327 (c_parser_pragma): Handle omp pragmas.
7328 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7329 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7330 (c_parser_omp_clause_name, check_no_duplicate_clause,
7331 c_parser_omp_variable_list,
7332 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7333 c_parser_omp_clause_copyprivate,
7334 c_parser_omp_clause_default,
7335 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7336 c_parser_omp_clause_lastprivate,
7337 c_parser_omp_clause_nowait,
7338 c_parser_omp_clause_num_threads,
7339 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7340 c_parser_omp_clause_reduction,
7341 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7342 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7343 c_parser_omp_atomic, c_parser_omp_barrier,
7344 c_parser_omp_critical, c_parser_omp_flush,
7345 c_parser_omp_for_loop, c_parser_omp_for,
7346 c_parser_omp_master, c_parser_omp_ordered,
7347 c_parser_omp_sections_scope, c_parser_omp_sections,
7348 c_parser_omp_parallel, c_parser_omp_single,
7349 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7350 * c-pragma.c (init_pragma): Do omp pragma registration here.
7351 * c.opt (fopenmp): New flag.
7353 2006-01-18 Eric Christopher <echristo@apple.com>
7355 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7356 * config/darwin.h (GOMP_SELF_SPECS): Define.
7358 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7360 * rtl.h: Remove the prototype for reg_alloc.
7362 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7365 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7366 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7367 sjlj and dwarf2 exception handling.
7368 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7369 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7370 * pa/pa.c (function_value): Treat complex and vector types as
7372 (function_arg): Likewise. Only pass scalar floats in the floating
7373 point argument registers.
7374 * pa/t-slibgcc-dwarf-ver: New file.
7375 * pa/t-slibgcc-sjlj-ver: New file.
7376 * pa/t-slibgcc-elf-ver: Delete file.
7378 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7380 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7381 unlikely_test_section_p test.
7383 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7385 * mode-switching.c (optimize_mode_switching): Make it static.
7386 * basic-block.h: Remove the prototype for
7387 optimize_mode_switching.
7389 * modulo-sched.c (sms_schedule): Make it static.
7390 * rtl.h: Remove the prototype for sms_schedule.
7392 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7393 * rtl.h: Remove the prototype for gcse_after_reload_main.
7395 * reg-stack.c (reg_to_stack): Make it static.
7396 * rtl.h: Remove the prototype for reg_to_stack.
7398 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7400 * rtl.h: Remove the prototypes for regrename_optimize and
7401 copyprop_hardreg_forward.
7403 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7405 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7406 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7407 Test against the appropriate null constant for the mode.
7408 If 'fixup_overlap' is true, swap the operands if they overlap.
7409 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7410 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7411 alpha_split_tmode_pair and adjust for above change.
7412 * config/alpha/alpha.md (movtf_internal): Adjust call to
7413 alpha_split_tfmode_pair and rely on it to swap the operands.
7414 (movti_internal): New insn and post-reload splitter.
7415 (movti): New expander.
7417 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7419 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7422 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7424 * rtlanal.c (global_reg_mentioned_p_1,
7425 global_reg_mentioned_p): Remove.
7426 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7428 * flow.c (initialize_uninitialized_subregs): Make it static.
7429 * rtl.h: Remove the prototype for
7430 initialize_uninitialized_subregs.
7432 * function.c (instantiate_virtual_regs): Make it static.
7433 * function.h: Remove the prototype for
7434 instantiate_virtual_regs.
7436 * regmove.c (regmove_optimize, combine_stack_adjustments):
7438 * rtl.h: Remove the prototypes for regmove_optimize and
7439 combine_stack_adjustments.
7441 2006-01-17 Roger Sayle <roger@eyesopen.com>
7443 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7444 (size_cost): Encode costs in bytes so that a reg-reg addition is
7445 equivalent to COSTS_N_INSNS(1).
7446 (override_options): Use the size_cost.branch_cost as the default
7447 ix86_branch_cost when optimizing for size.
7449 2006-01-18 Ben Elliston <bje@au.ibm.com>
7451 * Makefile.in (D32PBIT_FUNCS): New.
7452 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7453 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7454 D64PBIT_FUNCS and D128PBIT_FUNCS.
7455 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7456 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7458 (decnumber_dep): Define.
7459 * doc/libgcc.texi (Decimal float library routines): New node.
7460 * config/dfp-bit.h, config/dfp-bit.c: New files.
7462 2006-01-18 Ben Elliston <bje@au.ibm.com>
7464 * expr.c (emit_move_change_mode): Always adjust addresses, not
7465 just during reload. Copy replacements only during reload.
7466 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
7467 emit_move_via_integer.
7469 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
7471 * Makefile.in (check-%, check-consistency): Use $${srcdir}
7472 instead of $(srcdir) and ${srcdir}.
7474 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
7478 * arm.h (struct machine_function): Add pic_reg.
7479 * arm.c (arm_pic_register): Make unsigned.
7480 (arm_override_options): Only set arm_pic_register if
7481 TARGET_SINGLE_PIC_BASE.
7482 (use_return_insn): Only test for a pic register if it is fixed.
7483 (arm_compute_save_reg0_reg12_mask): Likewise.
7484 (thumb_compute_save_reg_mask): Likewise.
7485 (legitimate_pic_operand): Factor out some known invariants.
7486 (legitimize_pic_address): If we don't have a fixed pic register,
7487 then set up a pseudo in the function entry sequence. Handle the
7488 pic base being in a pseudo.
7489 (arm_load_pic_register): Handle the pic register being in a pseudo.
7490 (arm_expand_prologue): Only set up the pic register if it is fixed.
7491 (thumb_expand_prologue): Likewise.
7492 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
7493 (pic_load_addr_based_insn): Likewise.
7494 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
7497 2006-01-18 Ben Elliston <bje@au.ibm.com>
7499 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
7500 decimal float modes for all floating point registers.
7502 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
7503 match_code "mem" with match_test "macho_lo_sum_memory_operand".
7505 2006-01-17 Jakub Jelinek <jakub@redhat.com>
7508 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
7509 even when the pointer is not NULL.
7511 2006-01-16 Ian Lance Taylor <ian@airs.com>
7513 * common.opt (ftoplevel-reorder): New option.
7514 * cgraph.c (cgraph_asm_nodes): New global variable.
7515 (cgraph_asm_last_node): New static variable.
7516 (cgraph_order): New global variable.
7517 (cgraph_create_node): Set new order field.
7518 (cgraph_varpool_node): Likewise.
7519 (decide_is_variable_needed): Return true if not
7520 flag_toplevel_reorder.
7521 (cgraph_add_asm_node): New function.
7522 * cgraph.h (struct cgraph_node): Add order field.
7523 (struct cgraph_varpool_node): Add order field.
7524 (struct cgraph_asm_node): Define.
7525 (cgraph_asm_nodes, cgraph_order): Declare.
7526 (cgraph_add_asm_node): Declare.
7527 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
7529 (cgraph_varpool_assemble_pending_decls): Call it.
7530 (cgraph_output_pending_asms): New static function.
7531 (cgraph_finalize_compilation_unit): Call it.
7532 (struct cgraph_order_sort): Define.
7533 (cgraph_output_in_order): New static function.
7534 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
7535 !flag_toplevel_reorder case.
7536 * c-parser.c: Include "cgraph.h".
7537 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
7539 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
7540 than -fno-unit-at-a-time.
7541 * doc/invoke.texi (Option Summary): Mention
7542 -fno-toplevel-reorder.
7543 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
7544 -funit-at-a-time documentation.
7546 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
7547 Kazu Hirata <kazu@codesourcery.com>
7549 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
7551 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
7553 * Makefile.in (FUNCTION_H): New. Use it instead of
7554 function.h throughout the file.
7555 * function.h: Include tree.h.
7557 2006-01-17 Ben Elliston <bje@au.ibm.com>
7559 * recog.c: Separate some functions with whitespace.
7561 2006-01-16 Richard Henderson <rth@redhat.com>
7563 Merge from gomp branch:
7564 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
7565 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
7566 and rename from struct inline_data. Rename callee* to dst*;
7567 caller* to src*; add copy_decl hook, transform_call_graph_edges,
7568 transform_new_cfg, transform_return_to_modify, and
7569 transform_lang_insert_block flags; remove cloning_p, versioning_p,
7571 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
7572 (copy_decl_for_dup): Remove.
7573 * tree-inline.c (struct inline_data): Move to header.
7574 (insert_decl_map): Export.
7575 (remap_decl): Update for member name changes. Use copy_decl hook.
7576 Allow for replacement to be a non-decl. Remove dead code.
7577 (remap_type_1): Check for existing mapping.
7578 (remap_type): Export.
7579 (remap_decls): Update for member name changes.
7580 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
7581 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
7582 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
7583 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
7584 (tree_function_versioning, build_duplicate_type): Likewise.
7585 (copy_body_r): Likewise. Export.
7586 (copy_decl_for_dup): Split into ...
7587 (copy_decl_for_dup_finish, copy_decl_to_var,
7588 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
7589 (replace_ref_tree, inlining_p): Remove.
7591 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7593 * ifcvt.c (if_convert): Make it static.
7594 * rtl.h: Remove the prototype for if_convert.
7596 * local-alloc.c (local_alloc): Make it static.
7597 * rtl.h: Remove the prototype for local_alloc.
7599 * loop.c (loop_optimize): Make it static.
7600 * cfgloop.h: Remove the prototype for loop_optimize.
7603 2006-01-16 DJ Delorie <dj@redhat.com>
7605 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
7608 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7610 * pa.md: Disparage copies between general and floating-point registers
7611 in 32-bit move patterns.
7613 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
7616 * Makefile.in (check-%): Depend on site.exp instead of
7617 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
7620 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7622 * global.c (global_alloc): Make it static.
7623 * rtl.h: Remove the prototype for global_alloc.
7625 2006-01-16 Richard Guenther <rguenther@suse.de>
7627 * tree-ssa-alias.c (struct used_part): Add write_only field.
7628 (get_or_create_used_part_for): Initialize it to true.
7629 (create_overlap_variables_for): Don't create structure variables
7630 for structures that only are written to.
7631 (find_used_portions): Handle MODIFY_EXPR to track whether a
7632 structure is only written to.
7634 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7636 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
7638 * basic-block.h: Remove the prototype for
7639 partition_hot_cold_basic_blocks.
7641 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
7643 * cppspec.c (lang_specific_spec_functions): Remove.
7644 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
7645 * gcc.h (lang_specific_spec_functions): Remove.
7646 * gccspec.c (lang_specific_spec_functions): Remove.
7648 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
7650 * combine.c (record_value_for_reg): Invalidate registers
7652 (record_dead_and_set_regs_1): Likewise, by passing them to
7653 record_value_for_reg.
7654 (record_dead_and_set_regs): Invalidate stores made by a
7655 call. We do not combine across a call, but we still
7656 relied on equivalences.
7658 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7660 * tree-vrp.c (extract_range_from_binary_expr): Cope with
7661 vrp_int_const_binop returning non-constant nodes.
7663 2006-01-16 Paul Brook <paul@codesourcery.com>
7665 * config/m68k/m68k.c (output_move_const_into_data_reg):
7666 Output correct mnemonic for mvz and mvs.
7668 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
7670 * rtl-factoring.c: Add sequence abstraction algorithm.
7671 * cfgcleanup.c (outgoing_edges_match): Extra checks.
7672 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
7674 (block_has_preserve_label): New function.
7675 * common.opt: Register new pass.
7676 * Makefile.in: Ditto.
7678 * timevar.def: Ditto.
7679 * tree-pass.h: Ditto.
7680 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
7681 * rtl.h (make_jump_insn_raw): Add forward decl.
7682 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
7684 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7685 Roger Sayle <roger@eyesopen.com>
7687 * fold-const.c (fold_minmax): New static function.
7688 (fold_binary) <MIN_EXPR>: Call it.
7689 <MAX_EXPR>: Likewise.
7690 * stor-layout.c (place_field): Use DECL_SIZE consistently
7691 in the computation of the new record size.
7693 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7695 * cse.c (cse_condition_code_reg): Make it static.
7696 * rtl.h: Remove the prototype for cse_condition_code_reg.
7698 * combine.c (combine_instructions): Make it static.
7699 * rtl.h: Remove the prototype for combine_instructions.
7701 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7704 * tree.c (get_file_function_name_long): Concatenate the first global
7705 object name with a string derived from the input filename of the object
7708 2006-01-16 Ben Elliston <bje@au.ibm.com>
7710 * config/i386/winnt-stubs.c: Update FSF address.
7711 * config/xtensa/ieee754-df.S: Ditto.
7712 * config/xtensa/ieee754-sf.S: Ditto.
7714 2006-01-14 Ian Lance Taylor <ian@airs.com>
7716 * ifcvt.c (noce_init_if_info): New static function, broken out of
7717 noce_process_if_block.
7718 (noce_process_if_block): Call noce_init_if_info.
7719 (check_cond_move_block): New static function.
7720 (cond_move_process_if_block): New static function.
7721 (process_if_block): Call cond_move_process_if_block.
7723 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
7725 * cselib.c (hash_table): Rename to cselib_hash_table.
7726 (cselib_clear_table, discard_useless_values,
7727 remove_useless_values, cselib_lookup_mem, cselib_lookup,
7728 cselib_init, cselib_finish): Adjust uses of hash_table.
7730 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
7732 PR tree-optimization/25485
7733 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
7734 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
7735 is known to be false and true, respectively.
7737 2006-01-14 Richard Guenther <rguenther@suse.de>
7739 PR tree-optimization/22548
7740 PR tree-optimization/22555
7741 PR tree-optimization/22501
7742 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
7743 * params.def (salias-max-array-elements): New parameter.
7744 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
7745 * doc/invoke.texi (salias-max-array-elements): Document.
7746 * tree-flow-inline.h (var_can_have_subvars): We also handle
7748 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
7750 * tree-ssa-structalias.c (params.h): Include.
7751 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
7752 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
7753 (get_constraint_for): For ADDR_EXPR operating on something
7754 containing an ARRAY_REF, add all subvars to the solution.
7755 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
7756 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
7757 for creating MUST_DEFs.
7758 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
7760 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7762 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
7764 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
7765 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7766 number_of_iterations_le): New functions.
7767 (number_of_iterations_special): Removed.
7768 (number_of_iterations_exit): Do not use number_of_iterations_special.
7769 * tree.c (unsigned_type_for): Always return integer type.
7771 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
7772 Richard Guenther <rguenther@suse.de>
7774 PR rtl-optimization/24257
7775 * gcse.c (find_moveable_store): Only consider a store movable
7776 when the SET_SRC of the insn can be assigned to a register.
7778 2006-01-14 Ian Lance Taylor <ian@airs.com>
7780 * tree.c (tree_not_class_check_failed): New function.
7781 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
7782 (tree_not_class_check_failed): Declare.
7784 2006-01-13 Ian Lance Taylor <ian@airs.com>
7786 * reload1.c (do_output_reload): Add assertion rejecting a
7789 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
7791 * combine.c (struct reg_stat): Add new fields truncation_label and
7793 (record_value_for_reg): Reset truncated_to_mode.
7794 (record_truncated_value): New function.
7795 (check_promoted_subreg): Call it. Rename to check_conversions.
7796 (combine_instructions): Rename check_promoted_subreg to
7798 (reg_truncated_to_mode): New function.
7799 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
7800 (gen_lowpart_or_truncate): New function.
7801 (force_to_mode): Use it instead of gen_lowpart.
7803 2006-01-13 Diego Novillo <dnovillo@redhat.com>
7805 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
7806 VAR is a tag, not its type tag.
7808 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
7810 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
7811 alternatives to match style of other entries.
7812 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
7814 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
7816 PR tree-optimization/25771
7817 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
7820 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
7823 * tree-inline.c (declare_return_variable): If the return variable
7824 was marked as a non gimple complex, set the return slot variable
7825 to be a non gimple comple variable.
7827 2006-01-13 Richard Guenther <rguenther@suse.de>
7829 * builtins.c (expand_builtin_sincos): New function.
7830 (expand_builtin_mathfn_3): Remove dead code, sin and cos
7832 (expand_builtin): Expand sincos using expand_builtin_sincos.
7834 2006-01-12 DJ Delorie <dj@redhat.com>
7836 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
7837 shift counts, separate SI shifts for m32c vs m16c, pass shift type
7838 so that constant shifts can be split.
7839 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
7840 (m32c_valid_pointer_mode): Make static.
7841 (shift_gen_func_for): New.
7842 (m32c_prepare_shift): Use it. Split large const shifts into
7844 * config/m32c/predicates.md (shiftcount_operand): Allow more
7846 (longshiftcount_operand): New.
7847 * doc/md.texi (Machine Constraints): Document In6.
7849 2006-01-13 Ben Elliston <bje@au.ibm.com>
7851 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
7852 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
7855 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
7857 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
7858 to try to avoid clobbering pieces of structures when we know
7859 something about the whole structure.
7860 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
7862 2006-01-13 Ben Elliston <bje@au.ibm.com>
7864 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
7865 return in memory, as this is no limitation is no longer present.
7867 2006-01-12 DJ Delorie <dj@redhat.com>
7869 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
7870 mova with fb, and for fb+0 -> An.
7872 * config/m32c/mov.md (peephole2): Fix enabling logic.
7874 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7875 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
7876 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
7877 FINI_ARRAY_SECTION_ASM_OP): Define.
7879 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
7881 (m32c_legitimize_reload_address): New logic to reload FB to An.
7882 (m32c_output_reg_push): Add newline.
7883 (m32c_output_reg_pop): Likewise.
7885 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
7887 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
7889 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
7891 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7893 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7895 * config/sh/predicates.md (sh_rep_vec): Add parallel to
7898 2006-01-11 Ben Elliston <bje@au.ibm.com>
7900 * rtlanal.c (find_reg_note): Assert insn is not null.
7902 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7904 * df-scan.c (df_hard_reg_init): Move declaration of i outside
7907 2006-01-11 Jeff Law <law@redhat.com>
7909 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
7911 (mark_threaded_blocks, register_jump_thread): New functions.
7912 (thread_through_all_blocks): Remove unwanted argument. No
7913 longer rely on e->aux to communicate thread target info.
7914 Call mark_threaded_blocks. Release the threaded_blocks
7915 bitmap and threaded_edges vector when complete.
7916 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
7917 (threaded_blocks): Remove.
7918 (tree_ssa_dominator_optimize): Remove initialization and
7919 finalization of threaded_blocks. Simplify call to
7920 thread_through_all_blocks.
7921 (thread_across_edge): Call register_jump_thread rather than
7922 storing thread information into e->aux.
7923 (free_all_edge_infos): Simplify now that e->aux is no longer
7924 used to communicate with thread_through_all_blocks.
7925 * tree-flow.h (thread_through_all_blocks): Update prototype.
7926 (register_jump_thread): Prototype.
7928 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7930 * df-core.c (df_compact_blocks, df_bb_replace): Use
7931 SET_BASIC_BLOCK instead of BASIC_BLOCK.
7933 2006-01-11 Richard Guenther <rguenther@suse.de>
7935 PR tree-optimization/25734
7936 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
7937 stop propagation after successful propagation to the LHS.
7939 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7941 * basic-block.h (control_flow_graph): Change the type of
7942 x_basic_block_info to VEC(basic_block,gc) *.
7943 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
7945 (SET_BASIC_BLOCK): New.
7946 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
7947 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
7948 * cfgbuild.c (find_basic_blocks): Likewise.
7949 * cfglayout.c (fixup_reorder_chain): Likewise.
7950 * cfgrtl.c (create_basic_block_structure,
7951 rtl_create_basic_block): Likewise.
7952 * ifcvt.c (find_if_case_1): Likewise.
7953 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
7956 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7958 * Makefile.in: Removed rotted odf.c entry.
7960 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
7963 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
7964 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
7965 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
7966 output pattern modifier, not %e.
7967 * config/cris/cris.c (cris_op_str): Update comment about pattern
7969 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
7970 before falling through into...
7971 <case 'E'>: Redefined from old 'e' case.
7973 2006-01-11 Jan Hubicka <jh@suse.cz>
7976 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
7978 2006-01-11 Jan Hubicka <jh@suse.cz>
7980 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
7981 * i386.c (x86_decompose_lea): Kill.
7982 (ix86_rtx_costs): Kill.
7984 2006-01-11 Jan Hubicka <jh@suse.cz>
7986 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
7987 * cgraph.h (cgraph_node): Add inline_decl.
7988 (cgraph_insert_node_to_hashtable): Declare.
7989 (save_inline_function_body): Declare.
7990 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
7992 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
7993 (cgraph_function_versioning): Update call of tree_function_versioning.
7994 (save_inline_function_body): New function.
7995 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
7996 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
7997 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
7998 (cgraph_default_inline_p): Likewise.
7999 (cgraph_decide_inlining_incrementally): Likewise.
8000 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8001 (copy_bb): Kill saving; do updating of clones.
8002 (copy_cfg_body): Kill saving.
8003 (initialize_inlined-parameters): Likewise.
8004 (expand_call_inline): Likewise.
8006 (tree_function_versioning): New parameter "update_clones".
8007 (inlining_p): Kill saving.
8008 * tree-inline.h (tree_function_versioning): Update prototype.
8009 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8012 2006-01-11 Ian Lance Taylor <ian@airs.com>
8014 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8015 Allow undoing set of machine mode.
8016 (do_SUBST): Use enums instead of is_int.
8017 (do_SUBST_MODE): New function.
8018 (SUBST_MODE): New macro.
8019 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8020 reg and trying to replace reg_regno_rtx with a new register.
8021 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8022 (simplify_set): Use SUBST_MODE.
8023 (distribute_notes): Remove code that tried to update reg notes
8024 for regno_reg_rtx changes.
8026 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8028 PR tree-optimization/23109
8029 PR tree-optimization/23948
8030 PR tree-optimization/24123
8032 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8033 * tree-cfg.c (single_noncomplex_succ): New.
8034 * tree-flow.h (single_noncomplex_succ): Declare it.
8035 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8036 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8037 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8038 insert_bb, register_division_in, insert_reciprocals,
8039 replace_reciprocal, free_bb): New.
8040 (execute_cse_reciprocals_1): Rewritten.
8041 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8042 Do not commit any edge insertion. Always compute dominators and
8043 create the allocation pool.
8044 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8045 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8046 * targhooks.c (default_min_divistions_for_recip_mul): New.
8047 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8048 * passes.c (init_optimization_passes): Run recip after tree loop
8050 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8052 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8053 Kenneth Zadeck <zadeck@naturalbridge.com>
8055 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8056 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8057 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8058 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8059 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8060 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8061 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8062 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8063 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8064 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8065 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8066 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8067 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8068 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8069 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8070 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8071 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8072 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8073 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8074 DF_SCAN_POST_ALLOC): New macros.
8075 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8076 df_free_bb_function, df_local_compute_function, df_init_function,
8077 df_dataflow_function, df_confluence_function_0,
8078 df_confluence_function_n, df_transfer_function,
8079 df_finalizer_function, df_free_function, df_dump_problem_function,
8080 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8081 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8082 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8083 df_urec_bb_info, ) New types.
8084 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8086 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8087 df_analyze_simple_change_some_blocks,
8088 df_analyze_simple_change_one_block, df_compact_blocks,
8089 df_bb_replace, df_bb_regno_last_use_find,
8090 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8091 df_insn_regno_def_p, df_find_def, df_find_use,
8092 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8093 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8094 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8095 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8096 debug_df_chain, df_get_dependent_problem, df_chain_create,
8097 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8098 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8099 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8100 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8101 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8102 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8103 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8104 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8105 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8106 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8107 df_reorganize_refs, df_set_state, df_hard_reg_init,
8108 df_read_modify_subreg_p) New public functions.
8109 * df-core.c: The core dataflow solver and glue routines for rtl
8111 (df_init, df_add_problem, df_set_blocks, df_finish,
8112 df_hybrid_search_forward, df_hybrid_search_backward,
8113 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8114 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8115 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8116 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8117 df_reg_defined, df_find_use, df_reg_used, df_dump,
8118 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8119 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8120 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8121 debug_df_useno, reset_df_after_reload): New functions.
8122 * df-scan.c: The scanning fuctions, once in df.c, completely
8123 rewritten so that they now fully model the functionality of
8124 register usage at the backend.
8125 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8126 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8127 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8128 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8129 df_get_artificial_defs, df_get_artificial_uses,
8130 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8131 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8132 df_refs_delete, df_reorganize_refs, df_set_state,
8133 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8134 df_def_record_1, df_defs_record, df_uses_record,
8135 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8136 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8137 df_record_exit_block_uses, df_hard_reg_init): New functions.
8139 * df-problems.c: Seven concrete dataflow problems that use the
8140 scanning in df-scan.c and are solved by the engine in df-core.c.
8141 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8142 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8143 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8144 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8145 df_ru_free_bb_info, df_ru_alloc,
8146 df_ru_bb_local_compute_process_def,
8147 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8148 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8149 df_ru_transfer_function, df_ru_free, df_ru_dump,
8150 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8151 df_rd_free_bb_info, df_rd_alloc,
8152 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8153 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8154 df_rd_transfer_function, df_rd_free, df_rd_dump,
8155 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8156 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8157 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8158 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8159 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8160 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8161 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8162 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8163 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8164 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8165 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8166 df_urec_mark_reg_use_for_earlyclobber,
8167 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8168 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8169 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8170 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8171 df_chain_create_bb_process_use, df_chain_create_bb,
8172 df_chain_finalize, df_chain_free, df_chains_dump,
8173 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8174 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8175 df_reg_lifetime): New functions.
8176 * df.c: Deleted file.
8177 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8178 consistent with new df api.
8179 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8180 rest_of_handle_sms): Ditto.
8181 * web.c (unionfind_union, union_defs, entry_register, web_main):
8183 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8184 invariant_expr_equal_p, find_defs, check_dependencies,
8185 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8186 free_inv_motion_data, move_loop_invariants): Ditto.
8187 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8188 Update dependencies.
8189 (odf.c): Added defective entry that was deleted later in day.
8190 * sched-deps.c (sched_analyze_1): Ditto.
8192 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8194 * tree-ssa-operands.c (get_expr_operands): Record addressable
8195 variables directly. Do not call add_stmt_operands for CONST_DECLs
8197 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8198 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8200 2006-01-11 Ben Elliston <bje@au.ibm.com>
8202 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8203 function returns true in the positive case.
8205 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8208 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8209 for SI, DI, SF and DF modes. Add alternatives to copy between
8210 general and floating point registers to the 32-bit patterns.
8211 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8212 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8213 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8214 generating 64-bit code.
8215 * config/pa/pa.c (output_move_double): Handle copies between general
8216 and floating registers.
8218 2006-01-10 Stuart Hastings <stuart@apple.com>
8220 * config/i386/i386.md (set_got): Update.
8221 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8222 (builtin_setjmp_receiver): Mach-O support.
8223 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8224 (GOT_SYMBOL_NAME): Define.
8225 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8226 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8227 * config/i386/i386.c (override_options): Revise for Darwin.
8228 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8229 support. (darwin_x86_file_end): New. (output_set_got): Add label
8230 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8231 * config/i386/i386-protos.h (output_set_got): Likewise.
8232 * config/darwin.c (machopic_legitimize_pic_address): Update
8235 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8237 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8238 when MODE isn't BLKmode.
8240 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8242 PR rtl-optimization/25367
8243 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8245 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8248 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8249 for a negative bound.
8251 2006-01-10 Richard Guenther <rguenther@suse.de>
8253 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8254 Never override with anything constraint.
8256 2006-01-10 Jan Beulich <jbeulich@novell.com>
8258 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8259 256 bits when optimize_size.
8261 2006-01-10 Jan Beulich <jbeulich@novell.com>
8263 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8265 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8266 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8269 2006-01-10 Ben Elliston <bje@au.ibm.com>
8271 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8273 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8274 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8275 (USE_FP_FOR_ARG): Reject decimal float modes.
8276 (function_arg_advance): Likewise.
8277 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8278 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8279 point types in AltiVec vectors.
8280 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8281 (rs6000_libcall_value): Likewise.
8283 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8285 * config/xtensa/ieee754-df.S: New file.
8286 * config/xtensa/ieee754-sf.S: New file.
8287 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8288 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8289 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8291 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8293 * config/sh/predicates.md (binary_float_operator,
8294 binary_logical_operator, commutative_float_operator,
8295 equality_comparison_operator, greater_comparison_operator,
8296 less_comparison_operator, logical_operator,
8297 noncommutative_float_operator, shift_operator,
8298 symbol_ref_operand, unary_float_operator): Remove redundant
8301 2006-01-09 Jeff Law <law@redhat.com>
8303 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8304 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8305 now unused arguments. Callers updated.
8306 (eliminate_redundant_computations): Remove now unused arguments,
8308 (local_fold): Remove, no longer used.
8309 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8311 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8312 (simplify_cond): New function.
8313 (forward_propagate_into_cond): Call simplify_cond.
8315 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8317 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8318 (*vec_extractv2di_1_sse): New.
8320 2006-01-09 Ben Elliston <bje@au.ibm.com>
8322 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8324 2006-01-08 Richard Guenther <rguenther@suse.de>
8326 * tree-ssa-structalias.c (get_constraint_for): Remove
8328 (get_constraint_for_component_ref): Likewise.
8329 (do_deref): Likewise.
8330 (get_constraint_for): Likewise.
8331 (do_structure_copy): Likewise.
8332 (handle_ptr_arith): Likewise.
8333 (find_func_aliases): Likewise. Remove unused need_anyoffset
8336 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8337 Kaz Kojima <kkojima@gcc.gnu.org>
8339 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8340 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8341 (EXTRA_CONSTRAINT_C16): Remove.
8342 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8343 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8344 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8345 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8346 constants of SHmedia. Handle nested constant expressions of
8348 (andcosts): Fix the costs for SHmedia constants.
8349 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8350 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8351 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8352 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8353 (movv4hi_i, movv2si_i): Likewise.
8354 (movsi_const): Adjust the second operand of ior so to match with
8356 (movdi_const, movdi_const_32bit): Likewise.
8357 (movdi_const_16bit+1): Don't sign-extend LOW.
8358 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8360 (*double_shori): Fix the split condition. Use GEN_INT instead
8361 of get_int_mode calls. Mask lower 16-bit of the argument of
8363 (sym2GOTPLT): Remove.
8364 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8366 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8367 instead of EXTRA_CONSTRAINT_C16.
8369 2006-01-07 Ian Lance Taylor <ian@airs.com>
8370 David Edelsohn <edelsohn@gnu.org>
8372 PR rtl-optimization/25662
8373 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8374 for constant operands instead of simplify_gen_binary.
8375 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8376 after trying simplify_binary_operation
8378 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8380 * tree.c (iterative_hash_expr): Hash decls based on UID.
8382 2006-01-06 Eric Christopher <echristo@apple.com>
8384 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8385 (TARGET_UNWIND_EMIT): Fix spelling.
8386 * target.h (gcc_target): Add except_table_label.
8387 * except.c (output_function_exception_table): Use.
8388 * varasm.c (default_emit_except_table_label): New.
8389 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8391 (asm_out): Add here.
8392 * output.h (default_emit_except_table_label): Prototype.
8393 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8394 * config/darwin.c (darwin_emit_except_table_label): Define.
8395 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8397 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8399 PR tree-optimization/18527
8400 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8401 number_of_iterations_special, number_of_iterations_exit):
8402 Move base and step of an iv to a single structure. Add
8403 no_overflow flag, and use it in # of iterations analysis.
8404 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8405 folded_casts argument.
8406 (simple_iv): Pass base and step in a structure. Set no_overflow
8408 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8409 Evaluate expensiveness of computing # of iterations instead of
8410 the final expression.
8411 * tree-scalar-evolution.h (affine_iv): New structure.
8412 (simple_iv): Declaration changed.
8413 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8414 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8415 find_givs_in_stmt): Changed due to simple_iv change.
8417 2006-01-06 Jeff Law <law@redhat.com>
8420 * tree-cfg.c (bsi_replace): Rename final argument from
8421 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8422 change (stmt -> orig_stmt).
8423 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8424 (bsi_remove): Add new argument. Remove EH information
8426 (verify_eh_throw_table_statements): New function.
8427 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8429 * tree-optimize.c (execute_free_cfg_annotations): Verify
8430 the EH throw statement table after removing annotations.
8431 * except.h (verify_eh_throw_table_statements): Prototype.
8432 * tree-flow.h (bsi_remove): Update prototype.
8433 * tree-vrp.c (remove_range_assertions): Add new argument to
8435 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8436 * tree-complex.c (expand_complex_div_wide): Likewise.
8437 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8438 * tree-tailcall.c (eliminate_tailcall): Likewise.
8439 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8440 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8441 * tree-nrv.c (tree_nrv): Likewise.
8442 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8443 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8444 (combine_blocks): Likewise.
8445 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8446 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8447 (cleanup_control_flow): Likewise.
8448 (remove_forwarder_block): Likewise.
8449 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8450 * tree-sra.c (sra_replace): Likewise.
8451 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8452 (forward_propagate_single_use_vars): Likewise.
8453 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8454 * tree-inline.c (expand_call_inline): Likewise.
8455 * tree-vect-transform.c (vect_transform_loop): Likewise.
8456 * tree-outof-ssa.c (rewrite_trees): Likewise.
8457 * tree-cfg.c (make_goto_expr_edges): Likewise.
8458 (cleanup_dead_labels): Likewise.
8459 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8460 (bsi_move_before, bsi_move_after): Likewise.
8461 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
8462 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
8464 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
8467 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
8469 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
8470 on non gimple variables. Also add checks at the top for decls and
8472 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
8474 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
8475 and IMAGPART_EXPR for creating MUST_DEFs.
8476 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
8477 and NAME_MEMORY_TAG separately from the DECLs.
8479 2006-01-06 Richard Guenther <rguenther@suse.de>
8481 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
8482 annotation, if necessary.
8483 * tree-ssa-pre.c (create_expression_by_pieces): Remove
8484 redundant calls to update_stmt.
8485 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
8488 2006-01-05 Richard Henderson <rth@redhat.com>
8490 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
8492 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8494 * c-typeck.c: Update copyright date.
8496 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8498 * c-typeck.c (build_c_cast): Always warn when casting
8499 from a pointer to an integer of different size, even if
8500 the node was constant.
8502 2006-01-05 Richard Guenther <rguenther@suse.de>
8504 PR tree-optimization/22555
8505 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
8506 if one structure field is an array.
8507 * tree-ssa-operands.c (get_expr_operands): Continue scanning
8508 operands even if we found a subvar, but ignore VOPs in this
8510 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
8512 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
8514 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
8517 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
8519 2006-01-05 Richard Guenther <rguenther@suse.de>
8520 Diego Novillo <dnovillo@redhat.com>
8522 * tree-pass.h (TODO_remove_unused_locals): Define.
8523 * gimple-low.c (expand_var_p, remove_useless_vars,
8524 pass_remove_useless_vars): Remove. Update all users.
8525 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
8526 (remove_unused_locals): New function.
8527 * tree-flow.h (remove_unused_locals): Declare.
8528 * passes.c (execute_todo): Call remove_unused_locals if
8529 TODO_remove_unused_locals is set.
8530 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
8531 * tree-ssa-dce.c (pass_dce): Likewise.
8532 * tree-outof-ssa.c (pass_del_ssa): Likewise.
8534 2006-01-05 Richard Guenther <rguenther@suse.de>
8536 * tree-flow.h (struct fieldoff): Decompose field to
8537 type, size and decl.
8538 * tree-ssa-alias.c (create_sft): Take type as parameter.
8539 (create_overlap_variables_for): Store type, size and decl
8540 in the fieldoff structure.
8541 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
8543 (push_fields_onto_fieldstack): Likewise.
8544 (create_variable_info_for): Likewise. Use offset for the
8545 SFT name if the decl is not available.
8547 2006-01-04 Paul Brook <paul@codesourcery.com>
8549 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
8551 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
8553 * lambda-code.c (can_put_in_inner_loop): Relax
8555 (can_put_after_inner_loop): New function.
8556 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
8557 (perfect_nestify): Change to make copies and modify uses.
8559 2006-01-04 Richard Henderson <rth@redhat.com>
8561 Merge from gomp branch:
8562 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
8563 via integer constant.
8564 (pragma_lex): Remove.
8565 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
8566 rather than parsing it.
8567 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
8568 handle_pragma_extern_prefix): Add %< %> quotes.
8569 (registered_pragmas): New.
8570 (c_register_pragma_1): New.
8571 (c_register_pragma): Use it.
8572 (c_register_pragma_with_expansion): Likewise.
8573 (c_invoke_pragma_handler): New.
8574 (init_pragma): Use cpp_register_deferred_pragma directly for
8576 * c-pragma.h (enum pragma_kind): New.
8577 (pragma_handler): New.
8578 (c_invoke_pragma_handler): Declare.
8579 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
8581 * c-common.h (c_common_pch_pragma): Update decl.
8582 * Makefile.in (c-parser.o): Update dependencies.
8583 (GTFILES): Add c-pragma.h.
8584 * c-parser.c (struct c_token): Add pragma_kind.
8585 (struct c_parser): Add in_pragma.
8586 (c_lex_one_token): Always initialize keyword and pragma_kind.
8587 Extract data for CPP_PRAGMA.
8588 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
8589 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
8590 Don't allow CPP_PRAGMA_EOL if in_pragma.
8591 (c_parser_consume_pragma): New.
8592 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
8593 (c_parser_skip_to_end_of_parameter): Likewise.
8594 (c_parser_skip_to_end_of_block_or_statement): Likewise.
8595 (c_parser_skip_to_pragma_eol): New.
8596 (c_parser_external_declaration): Handle CPP_PRAGMA.
8597 (c_parser_compound_statement_nostart): Likewise.
8598 (c_parser_statement_after_labels): Likewise.
8599 (c_parser_pragma): New.
8600 (pragma_lex): Likewise.
8601 (c_parser_pragma_pch_preprocess): New.
8602 (c_parser_new): Merge into ...
8603 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
8605 2006-01-04 Jeff Law <law@redhat.com>
8608 * tree-cfg.c (bsi_replace): Remove the original statement
8609 from the EH throw statement table.
8611 2006-01-04 Jakub Jelinek <jakub@redhat.com>
8613 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
8614 make the prototype extern "C" and add throw ().
8617 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
8618 and pos non-negative and pos + len <= 32.
8619 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
8620 drop pos + len < HOST_BITS_PER_WIDE_INT test.
8621 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
8624 * c-common.c (handle_vector_size_attribute): Reject zero vector size
8625 as well as sizes not multiple of component size.
8628 * function.c (instantiate_expr): New function.
8629 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
8630 walk its DECL_VALUE_EXPR with instantiate_expr.
8632 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
8633 DW_OP_deref{,_size} if address isn't going to be added.
8635 2006-01-04 Ben Elliston <bje@au.ibm.com>
8637 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
8638 * config/fp-bit.c: Likewise.
8640 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
8642 * dominance.c: Add comment about why we use DFS numbering
8645 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8646 Richard Henderson <rth@redhat.com>
8648 Merge from gomp-branch:
8649 * varasm.c (assemble_variable): Handle thread-local COMMON data.
8650 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
8652 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
8654 PR rtl-optimization/25578
8655 * combine.c (combine_simplify_rtx, force_to_mode): Don't
8656 pass a parameter to simplify_shift_const if changing ASHIFTRT
8659 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
8661 * builtins.c (get_builtin_sync_mem): New function.
8662 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
8663 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
8664 Call get_builtin_sync_mem to generate mem rtx.
8666 2006-01-03 Richard Guenther <rguenther@suse.de>
8669 * stmt.c (add_case_node): Make sure to clear overflow flags
8672 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8674 Merge from gomp-branch.
8675 * config/sparc/sync.md: New file.
8676 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
8677 UNSPECV_LDSTUB): New constants.
8678 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
8679 * config/sparc/predicates.md (memory_reg_operand): New predicate.
8680 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
8683 2006-01-03 Roger Sayle <roger@eyesopen.com>
8685 * combine.c (reg_subword_p): New predicate to test whether the
8686 destination of a set refers to a subword/piece of a register.
8687 (try_combine): Generalize the code to merge the setting of a
8688 pseudo to a constant followed by a set of a subword of that
8689 register to a constant.
8691 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
8693 * basic-block.h (control_flow_graph): Change the type of
8694 x_label_to_block_map to VEC(basic_block,gc) *.
8695 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
8696 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
8698 * tree-ssa-propagate.c (cfg_blocks): Change the type to
8699 VEC(basic_block,heap) *.
8700 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
8701 ssa_prop_fini): Adjust the uses of cfg_blocks.
8703 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
8705 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
8707 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
8708 hashing trees instead of a pointer hash.
8709 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
8710 compare for MEM_EXPR.
8712 PR rtl-optimization/25130
8713 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
8714 when comparing MEMs for GCSE
8716 2006-01-03 Ben Elliston <bje@au.ibm.com>
8718 * targhooks.h (default_decimal_float_supported_p): Declare.
8719 * targhooks.c (default_decimal_float_supported_p): Define.
8720 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
8721 `default_decimal_float_supported_p'.
8722 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
8724 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
8726 * combine.c (apply_distributive_law <SUBREG>): Check
8727 TRULY_NOOP_TRUNCATION.
8729 2006-01-02 Geoffrey Keating <geoffk@apple.com>
8731 * dwarf2out.c (have_switched_text_section): Delete.
8732 (have_multiple_function_sections): New.
8733 (have_location_lists): Make 'bool'.
8734 (add_AT_loc_list): Use 'true' not '1'.
8735 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
8736 (output_loc_list): Use have_multiple_function_sections.
8737 (output_ranges): Likewise.
8738 (dwarf2out_begin_function): Set have_multiple_function_sections if
8740 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
8741 Check function_section rather than DECL_SECTION_NAME.
8742 (dwarf2out_finish): Use have_multiple_function_sections.
8743 Don't clear have_location_lists.
8745 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
8746 Jan Hubicka <jh@suse.cz>
8748 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
8749 case of conditional jump jumping to the next instruction.
8750 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
8751 cases of conditional jump jumping to the next instruction.
8753 2006-01-02 Jan Hubicka <jh@suse.cz>
8755 * i386.c (*_cost): Add COSTS_N_INSNS.
8756 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
8758 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
8761 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
8763 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8765 * config/arm/arm.c (all_fpus): Fix comment typo.
8766 * config/darwin.c: Likewise.
8767 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
8768 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
8769 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
8771 2006-01-01 David Edelsohn <edelsohn@gnu.org>
8773 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
8774 (rs6000_split_compare_and_swapqhi): New.
8775 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
8776 (sync_compare_and_swapqhi_internal): New.
8777 * config/rs6000/rs6000-protos.h: Declare.
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