1 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3 * genpreds.c (write_tm_constrs_h): Delete variable p.
4 * genconditions.c (write_header): Add tm-constrs.h to included
6 * genpeep.c (main): Add toplev.h to included headers.
7 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8 (build/genpeep.o): Add toplev.h dependency.
9 * config/rs6000/constraints.md: Add "W" constraint.
11 2006-03-29 Roger Sayle <roger@eyesopen.com>
13 * stor-layout.c (mode_for_size_tree): Remove restiction on type
14 sizes by correctly testing whether the size fits a host integer.
15 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
16 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
17 SImode range for the default sizetype and bitsizetype.
19 2006-03-29 Roger Sayle <roger@eyesopen.com>
21 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
22 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
23 quickly if the argument is already of the correct type.
24 Call fold_build1 instead of build1. Tidy up blank lines.
26 2006-03-29 David Edelsohn <edelsohn@gnu.org>
28 * genemit.c (main): Add tm-constrs.h to included headers.
29 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
30 * genpeep.c (main): Add tm-constrs.h to included headers.
31 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
32 (write_tm_constrs_h): this and write complete file.
33 (write_tm_preds_h): Do not emit satisfies_constraint fns.
34 (write_insn_preds_c): Add tm-constrs.h to included headers.
35 (gen_constrs): New variable.
36 (parse_option): Parse "-c".
37 (main): Invoke write_tm_constrs_h.
38 * genrecog.c (write_header): Add tm-constrs.h to included headers.
39 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
40 (object_out_file): Add tm-constrs.h dependency.
42 (insn-output.o): Same.
46 (tm-constsr.h): New target.
47 (s-constrs-h): New target.
49 * config/rs6000/constraints.md: New file.
50 * config/rs6000/rs6000.c: Include tm-constrs.h.
51 (num_insn_constant_wide): Convert to satisfies_constraint.
52 (rs6000_rtx_costs): Convert to satisfies_constraint.
53 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
54 (CONST_OK_FOR_LETTER_P): Delete.
55 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
56 (EXTRA_CONSTRAINT): Delete.
57 (EXTRA_MEMORY_CONSTRAINT): Delete.
58 (EXTRA_ADDRESS_CONSTRAINT): Delete.
59 * config/rs6000/predicates.md: Convert to satisfies_constraint.
60 * config/rs6000/rs6000.md: Include constraints.md. Convert to
63 * config/i386/i386.c: Include tm-constrs.h.
65 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
67 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
68 * tree-data-ref.c (find_data_references_in_loop,
69 compute_data_dependences_for_loop): Use pointers to VEC.
70 (analyze_all_data_dependences): Adjust calls.
71 * tree-data-ref.h (find_data_references_in_loop,
72 compute_data_dependences_for_loop): Adjust declarations.
73 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
74 compute_data_dependences_for_loop.
76 2006-03-29 Paul Brook <paul@codesourcery.com>
78 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
81 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
83 PR tree-optimization/26859
84 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
86 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
87 for the step after fold_convert.
89 2006-03-29 Paul Brook <paul@codesourcery.com>
91 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
92 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
94 2006-03-29 Paul Brook <paul@codesourcery.com>
97 * targhooks.c (default_narrow_bitfield): New fuction.
98 * targhooks.h (default_narrow_bitfield): add prototype.
99 * target.h (gcc_target): Add narrow_volatile_bitfield.
100 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
101 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
102 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
103 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
105 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
107 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
109 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
110 (NR_C_MODES): Add TDmode, DDmode and SDmode.
111 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
112 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
113 (s390_function_arg_float): Allow SDmode and DDmode values to be
114 passed in floating point registers.
115 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
116 check with SCALAR_FLOAT_MODE_P.
117 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
119 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
121 PR tree-optimization/25985
122 * tree-ssa-loop-niter.c (number_of_iterations_le,
123 number_of_iterations_ne): Make comments more precise.
124 (number_of_iterations_cond): Add only_exit argument. Use the
125 fact that signed variables do not overflow only when only_exit
127 (loop_only_exit_p): New.
128 (number_of_iterations_exit): Pass result of loop_only_exit_p to
129 number_of_iterations_cond.
131 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
133 PR tree-optimization/26643
134 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
137 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
139 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
140 (divsi3_i4_int): Likewise.
142 2006-03-28 Roger Sayle <roger@eyesopen.com>
144 * expr.c (emit_group_store): Only create a new pseudo reg if the
145 quantity it needs to hold isn't already a suitable pseudo.
147 2006-03-28 Jeff Law <law@redhat.com>
149 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
150 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
152 2006-03-28 Roger Sayle <roger@eyesopen.com>
154 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
155 the equivalent ~X & Y, and the symmetry related transformations.
156 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
157 ~X & Y, and symmetry related transforms.
159 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
161 Revert my 2006-03-27 patches.
163 2006-03-28 Roger Sayle <roger@eyesopen.com>
165 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
166 ~(T1)X, when T1 and T2 are integer types of the same precision
167 and (T2)X isn't an extension.
169 2006-03-28 Jeff Law <law@redhat.com>
171 PR tree-optimization/26796
172 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
173 need EH edge cleanups rather than purging them immediately.
174 (eliminate_degenerate_phis): Handle queued EH cleanups.
176 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
178 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
181 2006-03-27 Roger Sayle <roger@eyesopen.com>
184 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
185 cast BIT_NOT_EXPR operand to the correct type.
187 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
189 * tree-loop-linear.c: Don't include varray.h.
190 (gather_interchange_stats, try_interchange_loops,
191 linear_transform_loops): Use VEC instead of VARRAY.
192 * lambda-mat.c: Don't include varray.h.
193 * tree-chrec.c: Same.
194 * lambda-trans.c: Same.
195 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
196 VEC instead of VARRAY.
197 * tree-vectorizer.h: Idem.
198 * tree-data-ref.c (dump_data_references,
199 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
200 initialize_data_dependence_relation, finalize_ddr_dependent,
201 compute_all_dependences, find_data_references_in_loop,
202 compute_data_dependences_for_loop, analyze_all_data_dependences,
203 free_dependence_relation, free_dependence_relations,
204 free_data_refs): Idem.
205 * tree-data-ref.h (data_reference_p, subscript_p): New.
206 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
207 VEC instead of VARRAY.
208 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
209 (find_data_references_in_loop, compute_data_dependences_for_loop,
210 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
211 dump_data_dependence_relations, free_dependence_relations,
212 free_data_refs): Adjust declaration.
213 (lambda_transform_legal_p): Move declaration here...
214 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
215 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
216 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
217 vect_analyze_data_refs): Use VEC instead of VARRAY.
218 * lambda.h (lambda_transform_legal_p): ...from here.
219 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
220 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
221 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
222 tree-chrec.o): Don't depend on VARRAY_H.
224 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
226 * rtl.def (Copyright): Update date.
227 (DEPS_LIST): Change type of the second operand to 'int'.
228 * target.h (Copyright): Update date.
229 (struct gcc_target.speculate_insn): Change type of the second parameter
231 * lists.c (Copyright): Update date.
232 (alloc_DEPS_LIST): Change signature. Update reference to the second
233 operand of the DEPS_LIST.
234 (copy_DEPS_LIST_list): Update reference to the second operand of the
236 * rtl.h (Copyright): Update date.
237 (alloc_DEPS_LIST): Update signature.
238 * sched-int.h (Copyright): Update date.
239 (ds_t): Change typedef to 'int'.
240 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
242 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
244 * haifa-sched.c (Copyright): Update date.
245 (try_ready): Change condition to restore non-speculative pattern
247 (process_insn_depend_be_in_spec): Code to keep probability of the
248 speculative dependence non-decreasing.
250 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
252 * regrename.c (replace_oldest_value_addr): Initialize a variable to
253 shut up the compiler.
255 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
257 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
258 to use lib prefix for target.
259 ($(T)libic_invalidate_array_4-200.a): Likewise.
260 ($(T)libic_invalidate_array_4a.a): Likewise.
262 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
263 J"orn Rennecke <joern.rennecke@st.com>
265 * superh.opt: New file.
266 * sh.c (boardtype, osruntime): Remove.
267 * superh.h (SUBTARGET_OPTIONS): Remove.
268 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
270 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
271 arguments with ^ and/or [].
273 * config.gcc (sh-*-*): Add quoting to account for quirk of
275 Replace == with = in enable_incomplete_targets test.
277 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
278 with MASK_LITTLE_ENDIAN.
280 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
281 * config/sh/sh.opt: Added to some comments.
282 * config/sh/superh.h: Removed some chaff.
284 * config/sh/sh.opt: Add m4-[1234]00* options.
285 * config/sh/sh.c (sh_handle_option): Likewise.
286 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
287 (ic_invalidate_array_4-100.o): New rule.
288 ($(T)libic_invalidate_array_4-100.a): Likewise.
289 (ic_invalidate_array_4-200.o): Likewise.
290 ($(T)libic_invalidate_array_4-200.a): Likewise.
291 (ic_invalidate_array_4a.o): Likewise.
292 ($(T)libic_invalidate_array_4a.a): Likewise.
293 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
294 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
296 * config/sh/crt1.asm: Merged in profiling code.
297 * config/sh/superh.h (STARTFILE_SPEC): Override.
298 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
299 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
300 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
302 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
303 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
304 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
306 * sh.opt (mpretend-cmove): New option.
307 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
308 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
309 (movsicc): Add TARGET_PRETEND_CMOVE code.
311 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
313 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
314 s390_class_max_nregs): New function prototypes.
315 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
316 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
317 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
318 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
320 2006-03-26 Geoffrey Keating <geoffk@apple.com>
322 * dwarf2out.c (add_location_or_const_value_attribute): Call
323 tree_add_const_value_attribute if nothing else works.
324 (reference_to_unused): New.
325 (rtl_for_decl_init): Use reference_to_unused to decide whether
326 to output an initializer.
328 2006-03-27 Alan Modra <amodra@bigpond.net.au>
331 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
332 peephole removing spe frob_di_df_2.
334 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
336 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
337 (subscript_dependence_tester_1): Declared.
338 (print_dir_vectors, print_dist_vectors): New.
339 (debug_data_dependence_relation): New.
340 (dump_data_dependence_relation): Print more details.
341 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
342 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
343 (save_dist_v, save_dir_v, add_outer_distances,
344 build_classic_dist_vector_1): New.
345 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
346 Don't test for lambda_vector_lexico_pos.
347 (same_access_functions, add_multivariate_self_dist,
348 add_other_self_distances, dir_from_dist): New.
349 (build_classic_dir_vector): Replace implementation almost identical to
350 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
352 (subscript_dependence_tester_1): New.
353 (subscript_dependence_tester): Handle the lexicographically negative
354 distance vectors by recomputing the dependence relation.
355 (compute_affine_dependence): Remove parameter loop_nest_depth.
356 (compute_self_dependence): Don't call compute_subscript_distance.
357 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
358 Add a parameter for the loop_nest.
359 (find_loop_nest_1, find_loop_nest): New.
360 (compute_data_dependences_for_loop): Compute the loop nest, and give
361 up if the nest is not well formed.
362 * tree-data-ref.h (loop_p): New.
363 (struct data_dependence_relation): Replace size_vect field with
364 loop_nest, a vec of loops.
365 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
366 (DDR_LOOP_NEST): New.
367 (print_dir_vectors, print_dist_vectors,
368 debug_data_dependence_relation): Declared.
369 (index_in_loop_nest): New.
370 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
371 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
374 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
376 * simplify-rtx.c (simplify_relational_operation): Call
377 simplify_relational_operation_1 even if mode is VOIDmode.
379 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
381 PR tree-optimization/26804
382 * tree.h (DECL_CALL_CLOBBERED): New macro.
383 (tree_decl_common): Add call_clobbered_flag.
384 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
385 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
386 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
387 (mark_non_addressable): Ditto.
388 * tree-ssa.c (verify_call_clobbered): New function.
389 (verify_alias_info): Use it.
390 * tree-pass.h (pass_reset_cc_flags): New prototype.
391 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
392 (reset_cc_flags): New function.
393 * passes.c (init_optimization_passes): Call reset_cc_flags after
394 initializing referenced_vars.
396 2006-03-25 Uros Bizjak <uros@kss-loka.si>
397 Roger Sayle <roger@eyesopen.com>
400 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
401 to 1.0 for non-real operands. Implement A / A optimization for
404 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
406 * config/i386/i386.c (size_cost): Correct the comment for
407 cost of storing fp registers.
408 (i386_cost): Likewise.
409 (i486_cost): Likewise.
410 (pentium_cost): Likewise.
411 (pentiumpro_cost): Likewise.
413 (athlon_cost): Likewise.
415 (pentium4_cost): Likewise.
416 (nocona_cost): Likewise.
417 (generic64_cost): Likewise.
418 (generic32_cost): Likewise.
420 2006-03-24 Denis Chertykov <denisc@overta.ru>
422 * config/avr/avr-protos.h (extra_constraint): Delete.
423 (extra_constraint_Q): New declaration.
424 * config/avr/constraints.md: New file.
425 * config/avr/avr.md: Include it.
426 (REG_X, REG_Y, REG_Z, REG_W): New constants.
427 (TMP_REGNO, ZERO_REGNO): Likewise.
428 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
429 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
430 (extra_constraint): Delete.
431 (extra_constraint_Q): Test for memory constraint 'Q'.
432 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
433 (REG_CLASS_FROM_LETTER): Delete.
434 (CONST_OK_FOR_LETTER_P): Delete.
435 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
436 (EXTRA_CONSTRAINT): Delete.
438 (ZERO_REGNO): Delete.
440 2006-03-24 Jeff Law <law@redhat.com>
442 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
443 directly. Call mark_new_vars_to_rename slightly earlier.
445 2006-03-24 Geoffrey Keating <geoffk@apple.com>
447 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
449 (gen_compile_unit_die): Use new language types for Objective-C and
451 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
455 * config/t-darwin (crt3.o): Work around bug 26840.
456 * config/darwin-crt3.c: Rewrite.
457 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
459 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
461 * doc/invoke.texi: Document -femit-class-debug-always
462 * common.opt: Add -femit-class-debug-always.
464 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
466 * config/s390/s390.c (s390_decompose_address): Allow SImode for
467 index and base register.
468 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
469 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
470 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
471 REGNO_OK_FOR_INDEX_P.
472 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
474 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
475 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
476 REG_OK_FOR_BASE_P): Definitions removed.
478 2006-03-24 Jakub Jelinek <jakub@redhat.com>
481 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
482 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
483 set yet or weren't marked as local yet.
485 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
487 * regrename.c (scan_rtx_address): Initialize a variable to shut up
490 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
492 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
493 (rs6000_legitimate_small_data_p): Delete.
494 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
495 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
496 and make static. Add forward declaration. Update uses.
497 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
498 of offsettable_memref_p.
499 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
500 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
502 2006-03-24 Jeff Law <law@redhat.com>
504 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
505 around bug in immediate-use iterator.
507 2006-03-24 Alan Modra <amodra@bigpond.net.au>
510 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
511 or __LITTLE_ENDIAN__.
513 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
515 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
516 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
517 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
518 * config/sh/sh.opt (mdiv=): Amend description.
519 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
520 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
521 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
522 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
523 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
524 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
525 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
526 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
527 TARGET_DIVIDE_CALL_FP.
529 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
531 * haifa-sched.c (choose_ready): Fix type of the local variable.
532 Move local variables. Add comment.
533 (check_reg_live): Change signature. Make callable from debugger.
534 * sched-int.h (check_reg_live): Update signature.
535 * sched-ebb.c (check_reg_live): Update parameters.
536 * sched-rgn.c (check_reg_live): Ditto.
537 (region_head_or_leaf_p): Check pointer before dereferencing.
538 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
539 before reload on optimization levels below 1.
541 2006-03-23 Richard Henderson <rth@redhat.com>
543 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
547 * config/alpha/predicates.md (local_symbolic_operand): Reject
550 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
553 * tree-ssa-pre.c (create_value_expr_from): Don't reject
554 expressions which have overflowed constants.
556 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
558 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
560 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
562 * cfgloopmanip.c (create_loop_notes): Removed.
563 * final.c (final_scan_insn): Do not handle loop notes.
564 * jump.c (squeeze_notes): Ditto.
565 * cfglayout.c (skip_insns_after_block,
566 duplicate_insn_chain): Ditto.
567 * cfgcleanup.c (rest_of_handle_jump2): Do not call
569 * cfgloop.h (create_loop_notes): Declaration removed.
571 2006-03-23 Richard Sandiford <richard@codesourcery.com>
573 * varasm.c (output_constant_pool): Restore fnname and fndecl
575 (assemble_start_function): Adjust call accordingly.
576 (assemble_end_function): Likewise.
578 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
581 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
584 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
586 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
589 * system.h (ICE_EXIT_CODE): New macro.
590 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
591 (diagnostic_action_after_output): Likewise.
592 * gcc.c (fatal_ice): New function.
593 (execute): Use it instead of fatal.
594 (fancy_abort): Likewise.
595 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
597 2006-03-22 Jeff Law <law@redhat.com>
599 * loop-unroll.c (analyze_iv_to_split_insn): Handle
600 iv_analyze_result returning false.
602 2006-03-22 Jie Zhang <jie.zhang@analog.com>
604 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
606 2006-03-22 Richard Henderson <rth@redhat.com>
609 * except.c (duplicate_eh_regions_0): New.
610 (duplicate_eh_region_1): Duplicate the children of the node as
611 well as the node itself. Link them up properly.
612 (duplicate_eh_region_2): Merge into ...
613 (duplicate_eh_regions): ... here. Take copy_region argument, and
614 copy only a sub-tree if asked. Simplify copying and fixup.
615 (eh_region_outer_p): New.
616 * except.h (duplicate_eh_regions): Update decl.
617 (eh_region_outer_p): Declare.
618 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
619 (lower_omp_master): Likewise.
620 (lower_omp_ordered): Likewise.
621 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
622 (move_stmt_r): Use it to remap labels. Handle recursion vs
623 remap_decls_p properly.
624 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
625 (find_outermost_region_in_block): New.
626 (new_label_mapper): New.
627 (move_sese_region_to_fn): Copy eh information to the new function
629 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
631 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
634 2006-03-22 Richard Sandiford <richard@codesourcery.com>
636 * doc/md.texi (-mshared): Mention that -mshared code can be linked
637 into shared libraries.
639 2006-03-22 Richard Sandiford <richard@codesourcery.com>
641 * doc/md.texi: Refer to i386/constraints.md instead of
643 * config/i386/constraints.md: New file, extracted from...
644 * config/i386/predicates.md: ...here.
645 * config/i386/i386.md: Include constraints.md.
647 2006-03-21 Jason Merrill <jason@redhat.com>
649 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
652 * expr.c (init_block_move_fn): Force default visibility.
653 (init_block_clear_fn): Likewise.
654 * builtins.c (expand_builtin_fork_or_exec): Likewise.
655 * targhooks.c (default_external_stack_protect_fail): Likewise.
657 2006-03-21 Richard Sandiford <richard@codesourcery.com>
659 * config/mips/predicates.md (const_call_insn_operand): Allow direct
660 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
661 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
662 Use TARGET_OLDABI instead of !TARGET_NEWABI.
663 (loadgp): Use mips_current_loadgp_style.
664 (loadgp_noshared): New pattern.
665 (sibcall_internal): Use MIPS_CALL.
666 (sibcall_value_internal): Likewise.
667 (sibcall_value_multiple_internal): Likewise.
668 (call_internal): Likewise.
669 (call_value_internal): Likewise.
670 (call_value_multiple_internal): Likewise.
671 (call_split): Use MIPS_CALL and add an 'S' constraint.
672 (call_value_split): Likewise.
673 (call_value_multiple_split): Likewise.
674 * config/mips/mips.opt (-mabicalls): Tweak docstring.
675 (-mshared): New option.
676 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
677 (mips_current_loadgp_style): Declare.
678 * config/mips/mips.c (mips_classify_symbol): Avoid using
679 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
680 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
681 TARGET_ABSOLUTE_ABICALLS.
682 (override_options): Adjust comments. Improve the warning that is
683 issued when -mabicalls and -G are used together.
684 (mips_file_start): Remove comment.
685 (mips_current_loadgp_style): New function.
686 (mips_gnu_local_gp): New variable.
687 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
689 (mips_output_function_prologue): Use mips_current_laodgp_style.
690 (mips_expand_prologue): Call mips_emit_loadgp before emitting
691 the cprestore instruction.
692 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
693 live for TARGET_ABSOLUTE_ABICALLS.
694 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
695 (ASM_SPEC): Pass down -mshared and -mno-shared.
696 (MIPS_CALL): New macro.
697 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
699 * doc/invoke.texi (-mabicalls): Update documentation.
700 (-mshared): Document.
702 2006-03-21 Steve Ellcey <sje@cup.hp.com>
704 * config/ia64/unwind-hpux.c: New file.
705 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
707 2006-03-21 Steve Ellcey <sje@cup.hp.com>
710 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
712 2006-03-21 Jeff Law <law@redhat.com>
714 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
715 type conversions of a VR_VARYING source to a wider type.
717 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
719 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
720 tm_file on Solaris 10 and later.
721 (sparc64-*-solaris2*): Likewise.
722 (sparc-*-solaris2*): Likewise.
723 * config/sol26.h: Rename to config/sol2-6.h.
724 * config/sol2-10.h: New file.
726 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
729 * tree-ssa-pre.c (create_component_ref_by_pieces):
732 2006-03-21 Jakub Jelinek <jakub@redhat.com>
735 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
736 return it immediately.
738 2006-03-21 Michael Matz <matz@suse.de>
740 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
742 (remove_arc, add_arc): Update num_out_arcs member.
743 (set_out_arc_insns_equiv_num): Returns nothing instead of number
745 (cache_presence): New function.
746 (compare_states_for_equiv): New function.
747 (state_is_differed): Don't take number of outargs, adjust callers.
748 Use new invariant for speeding up.
749 (init_equiv_class): Create initial classes based on sorted
751 (partition_equiv_class): Don't track out_arcs_num.
752 (evaluate_equiv_classes): Call cache_presence on all states and
755 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
757 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
758 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
759 (bfin_valid_reg_p): Test for pseudos explicitly and use only
760 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
762 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
763 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
764 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
765 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
766 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
768 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
769 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
770 (REGNO_REG_CLASS): ARGP is in PREGS.
771 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
773 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
774 to deal with those addresses.
775 * addresses.h: New file.
776 * caller-save.c: Include "addresses.h".
777 (init_caller_save): Use new base_reg_class function.
778 * rtl-factoring.c: Include "addresses.h".
779 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
780 * recog.c: Include "addresses.h".
781 (preprocess_constraints): Use new base_reg_class function.
782 * regrename.c: Include "addresses.h".
783 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
784 functions. Keep track of a new var INDEX_CODE to compute valid
786 (replace_oldest_value_addr): Likewise.
787 (replace_oldest_value_mem): Use base_reg_class.
788 * reload.c: Include "addresses.h".
789 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
790 (find_reloads): Use new base_reg_class function.
791 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
792 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
793 all callers and prototype changed.
794 * reload1.c: Include "addresses.h".
795 (maybe_fix_stack_asms): Use base_reg_class.
796 * regclass.c: Include "addresses.h".
797 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
798 (init_reg_autoinc): Use new base_reg_class function.
799 (record_reg_classes): Likewise.
800 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
801 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
802 Use new args to compute necessary class.
804 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
805 regrename.o, rtl-factoring.o): Update dependencies.
806 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
807 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
808 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
809 REG_OK_FOR_INDEX_P): Delete documentation.
811 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
813 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
814 from V7 to V9 for Solaris 7 and above.
816 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
818 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
819 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
820 argument pointers may not alias any other storage.
821 * common.opt: Define option -fargument-noalias-anything.
822 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
823 alias semantics is specified by flag_argument_noalias > 2.
825 2006-03-20 Jeff Law <law@redhat.com>
827 * tree-pass.h (pass_phi_only_copy_prop): Delete.
828 (pass_phi_only_cprop): Declare.
829 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
831 * tree-ssa-dom.c (degenerate_phi_result): New function.
832 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
833 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
834 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
835 (eliminate_degenerate_phis): Likewise.
836 (pass_phi_only_cprop): New pass descriptor.
837 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
838 support code. Callers updated.
839 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
840 (store_copy_prop): Likewise.
841 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
843 2006-03-20 Jason Merrill <jason@redhat.com>
846 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
847 (push_visibility, pop_visibility): Likewise.
848 * c-pragma.h: Declare them.
850 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
852 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
854 * config/sh/sh.c (find_regmode_weight): Change the type of the first
855 parameter and use get_ebb_head_tail.
856 (sh_md_init_global): Adjust uses of find_regmode_weight.
858 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
860 * function.h (struct function) <x_tail_recursion_reentry>:
861 Rename to x_stack_check_probe_note.
862 (tail_recursion_reentry): Rename to stack_check_probe_note.
863 * function.c: Replace tail_recursion_reentry with
864 stack_check_probe_note everywhere.
865 (expand_function_start): Only emit a note for
866 stack_check_probe_note with -fstack-protect.
867 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
869 * emit-rtl.c (remove_unnecessary_notes): Remove.
870 (pass_remove_unnecessary_notes): Remove.
871 * rtl.h (remove_unnecessary_notes): Remove prototype.
872 * final.c (final_start_function): Don't call remove_unnecessary_notes.
873 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
874 * passes.c (pass_remove_unnecessary_notes): Don't run it.
876 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
879 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
880 (valid_in_set): Handle ARRAY_REF.
881 Change "if min_variant or VH" to asserts.
882 (create_component_ref_by_pieces): Handle ARRAY_REF.
883 (create_expression_by_pieces): Likewise.
884 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
886 2006-03-20 David Edelsohn <edelsohn@gnu.org>
888 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
889 is operand of switch, not str[0].
891 2006-03-20 Alan Modra <amodra@bigpond.net.au>
893 * config/rs6000/rs6000.c (rs6000_handle_option): Use
894 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
896 2006-03-19 David Edelsohn <edelsohn@gnu.org>
898 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
899 end of insn_extra_address_constraint declaration.
901 2006-03-19 David Edelsohn <edelsohn@gnu.org>
903 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
904 (no-sum-in-toc): Same.
905 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
907 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
908 NO_FP_IN_TOC for -fPIC instead of mask.
910 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
911 (BOOT_LDFLAGS): Delete.
913 * config/rs6000/t-aix52: Same.
915 * config/rs6000/rs6000.md (store_multiple_power): Delete.
916 (stmsi[345678]_power): New.
918 2006-03-17 Steve Ellcey <sje@cup.hp.com>
920 * config/ia64/ia64.opt: Add empty line to end of file.
922 2006-03-17 Richard Guenther <rguenther@suse.de>
925 * builtins.c (get_pointer_alignment): For component style references
926 adjust alignment to the component type alignment. Make sure
927 to adjust alignment for component access of constants.
929 2006-03-17 David Edelsohn <edelsohn@gnu.org>
931 * config/rs6000/rs6000.md (strlensi): Emit barrier after
934 2006-03-17 Paul Brook <paul@codesourcery.com>
936 * doc/install.texi: Docuemnt --with-mode.
937 * config.gcc: Add --with-mode for arm*-*-*.
938 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
940 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
942 * sh.c (max_labelno_before_reorg): New variable.
943 (sh_reorg): Initialize it.
944 (find_barrier): Check max_labelno_before_reorg before using
945 label_to_alignment. Take length of explicit alignment insns
946 into account. When seeing a UNSPECV_CONST_END, return it.
948 * sh.c (fixup_mova): Set mode of affected label to QImode.
949 (untangle_mova): New function.
950 (find_barrier): Use it. Check mode of label before decrementing
952 (sh_reorg): Likewise.
953 Set mode of all insns back to VOIDmode.
955 * sh.c (MOVA_LABELREF): New macro.
956 (mova_p, fixup_mova, sh_reorg): Use it.
957 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
958 ADDR_DIFF_VEC matches mova.
960 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
962 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
963 with ATTRIBUTE_UNUSED.
965 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
967 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
968 pointer, instead of assuming it is possible to derive the
969 correct args size from a call insn.
971 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
973 * rtl.h (CONST_INT_P): Define.
974 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
975 instead of GET_CODE(x) == CONST_INT.
976 (vax_rtx_costs): Likewise.
977 (vax_output_int_move): Likewise.
978 (vax_output_int_add): Likewise.
979 (legitimate_constant_address_p): Likewise.
980 (index_term_p): Likewise.
981 * config/vax/vax.h (PRINT_OPERAND): Likewise.
982 * config/vax/vax.md (and<mode>3): Likewise.
985 (movstricthi): Likewise.
986 (movstrictqi): Likewise.
988 (five unnamed insns): Likewise.
990 2006-03-16 Geoffrey Keating <geoffk@apple.com>
992 * doc/tm.texi (SDB and DWARF): Add extra parameter to
993 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
994 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
995 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
996 Pass to ASM_OUTPUT_DWARF_OFFSET.
997 * dwarf2out.c (debug_frame_section): New.
998 (output_call_frame_info): Use debug_frame_section. Pass it to
999 dw2_asm_output_offset.
1000 (output_die): Pass appropriate section to dw2_asm_output_offset.
1001 (output_compilation_unit_header): Likewise.
1002 (output_pubnames): Likewise.
1003 (output_aranges): Likewise.
1004 (enum dw_val_class): Break dw_val_class_lbl_offset into
1005 dw_val_class_lineptr and dw_val_class_macptr.
1006 (add_AT_lbl_offset): Delete.
1007 (add_AT_lineptr): New.
1008 (add_AT_macptr): New.
1009 (AT_lbl): Expect a lineptr or macptr.
1010 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1011 (attr_checksum): Likewise.
1012 (same_dw_val_p): Likewise.
1013 (size_of_die): Likewise.
1014 (value_format): Likewise.
1015 (output_die): Likewise.
1016 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1018 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1019 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1020 * config/darwin-protos.h (darwin_file_start): New.
1021 (darwin_asm_output_dwarf_offset): New.
1022 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1023 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1025 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1026 if not EH section; simplify.
1027 (darwin_file_start): New.
1028 (darwin_asm_output_dwarf_offset): New.
1029 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1031 (DEBUG_INFO_SECTION): Likewise.
1032 (DEBUG_ABBREV_SECTION): Likewise.
1033 (DEBUG_ARANGES_SECTION): Likewise.
1034 (DEBUG_MACINFO_SECTION): Likewise.
1035 (DEBUG_LINE_SECTION): Likewise.
1036 (DEBUG_LOC_SECTION): Likewise.
1037 (DEBUG_PUBNAMES_SECTION): Likewise.
1038 (DEBUG_STR_SECTION): Likewise.
1039 (DEBUG_RANGES_SECTION): Likewise.
1040 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1041 (ASM_OUTPUT_DWARF_OFFSET): New.
1043 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1045 * config.gcc (tm_defines): Always add to previous value rather
1048 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1050 * config/mips/predicates.md (splittable_const_int_operand): New,
1051 split from move_operand.
1052 (splittable_symbolic_operand): New.
1053 (move_operand): Add commentary. Use splittable_const_int_operand.
1054 Inline mips_atomic_symbolic_constant_p.
1055 * config/mips/mips.md: Add combine splitters for handling moves
1056 of splittable_const_int_operands and splittable_symbolic_operands.
1057 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1058 (mips_split_symbol): Declare.
1059 (mips_move_integer): Declare.
1060 * config/mips/mips.c (mips_split_p): Make global.
1061 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1062 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1063 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1064 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1065 (mips_offset_within_object_p): Handle block symbols.
1066 (mips_atomic_symbolic_constant_p): Delete.
1067 (mips_cannot_force_const_mem): Return false for constants that
1068 mips_legitimize_move can handle.
1069 (mips_use_blocks_for_constant_p): New function.
1070 (mips_split_symbol): Make global.
1071 (mips_move_integer): Likewise. Add a temporary register argument.
1072 (mips_legitimize_const_move): Use splittable_const_int_operand and
1073 splittable_symbolic_operand.
1074 (mips_use_anchors_for_symbol_p): New function.
1075 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1076 (mips_split_p): Declare.
1078 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1080 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1081 (mips*-*-linux*): Likewise.
1083 2006-03-16 Roger Sayle <roger@eyesopen.com>
1084 Daniel Speyer <dspeyer@wam.umd.edu>
1087 * tree-dump.c (dump_real): New function.
1088 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1089 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1090 (tree-dump.o): Add $(REAL_H) to the dependencies.
1092 2006-03-16 Roger Sayle <roger@eyesopen.com>
1095 * real.c (real_from_string): If the mantissa is zero, don't bother
1096 parsing the exponent as the result should always be zero.
1098 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1100 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1102 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1104 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1105 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1106 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1107 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1108 ia64_sched_finish_global): New static functions to implement
1109 hooks from gcc_target.sched.
1110 (spec_check_no, max_uid, pending_data_specs): New static variables.
1111 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1112 ia64_spec_check_src_p): New static functions.
1113 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1114 (TARGET_SCHED_ADJUST_COST): Removed.
1115 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1116 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1117 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1118 TARGET_SCHED_GEN_CHECK,
1119 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1120 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1121 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1122 Fixed to handle speculation checks.
1123 (rtx_needs_barrier): Fixed to handle speculative loads and
1125 (ia64_variable_issue): Added code to count speculative loads and their
1127 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1129 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1131 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1133 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1134 (ia64_reorg): Reset stops_p to NULL after it is freed.
1135 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1136 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1137 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1139 (data_speculative, control_speculative, check_load): New attributes.
1140 (mov<mode>_advanced, mov<mode>_speculative,
1141 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1142 zero_extend<mode>di2_speculative,
1143 zero_extend<mode>di2_speculative_advanced): New patterns for
1144 data and control speculative loads.
1145 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1147 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1148 New pattern for data and control speculation checks.
1149 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1150 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1151 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1152 Auxiliary definitions for the patterns.
1153 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1154 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1156 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1158 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1159 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1160 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1161 New resource constraints.
1162 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1164 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1165 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1166 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1167 msched-in-control-spec, msched-ldc, msched-control-ldc,
1168 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1169 msched-prefer-non-control-spec-insns,
1170 msched-count-spec-in-critical-path): New flags to tune speculative
1172 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1173 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1174 msched-in-control-spec, msched-ldc, msched-control-ldc,
1175 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1176 msched-prefer-non-control-spec-insns,
1177 msched-count-spec-in-critical-path): Document new flags.
1179 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1181 * target.h (struct spec_info_def): New opaque declaration.
1182 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1183 speculate_insn, needs_block_p, gen_check,
1184 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1185 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1186 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1187 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1188 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1189 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1191 (TARGET_SCHED): Use new macros.
1192 * rtl.h (copy_DEPS_LIST_list): New prototype.
1193 * sched-int.h (struct sched_info): Change signature of new_ready field,
1194 adjust all initializations. New fields: add_remove_insn,
1195 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1196 region_head_or_leaf_p.
1197 (struct spec_info_def): New structure declaration.
1198 (spec_info_t): New typedef.
1199 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1200 recovery_block, orig_pat.
1201 (glat_start, glat_end): New variables declaraions.
1202 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1204 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1205 DETACH_LIFE_INFO, USE_GLAT.
1206 (enum SPEC_SCHED_FLAGS): New enumeration.
1207 (NOTE_NOTE_BB_P): New macro.
1208 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1209 attach_life_info, debug_spec_status, check_reg_live): New functions.
1210 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1211 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1213 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1214 * ddg.c (get_block_head_tail): Adjust all uses.
1215 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1216 (sms_sched_info): Initialize new fields.
1217 (contributes_to_priority): Removed.
1218 * haifa-sched.c (params.h): New include.
1219 (get_block_head_tail): Adjust all uses.
1220 (ISSUE_POINTS): New macro.
1221 (glat_start, glat_end): New global variables.
1222 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1223 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1224 old_last_basic_block, before_recovery, current_sched_info_var,
1225 rgn_n_insns, luid): New static variables.
1226 (insn_cost1): New function. Move logic from insn_cost to here.
1227 (find_insn_reg_weight1): New function. Move logic from
1228 find_insn_reg_weight to here.
1229 (reemit_notes, move_insn, max_issue): Change signature.
1230 (move_insn1): Removed.
1231 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1232 extend_bb): New static functions to support extension of scheduler's
1234 (generate_recovery_code, process_insn_depend_be_in_spec,
1235 begin_speculative_block, add_to_speculative_block,
1236 init_before_recovery, create_recovery_block, create_check_block_twin,
1237 fix_recovery_deps): New static functions to support
1238 generation of recovery code.
1239 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1240 restore_bb_notes, move_block_after_check, move_succs): New static
1241 functions to support ebb scheduling.
1242 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1243 functions to support handling of register live information.
1244 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1245 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1246 add_jump_dependencies): New static functions.
1247 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1248 consistancy checking.
1249 (debug_spec_status): New function to call from debugger.
1250 (priority): Added code to handle speculation checks.
1251 (rank_for_schedule): Added code to distinguish speculative instructions.
1252 (schedule_insn): Added code to handle speculation checks.
1253 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1254 Fixed to handle ebbs.
1255 (move_insn): Added code to handle ebb scheduling.
1256 (max_issue): Added code to use ISSUE_POINTS of instructions.
1257 (choose_ready): Added code to choose between speculative and
1258 non-speculative instructions.
1259 (schedule_block): Added code to handle ebb scheduling and scheduling of
1260 speculative instructions.
1261 (sched_init): Initialize new variables.
1262 (sched_finish): Free new variables. Print statistics.
1263 (try_ready): Added code to handle speculative instructions.
1264 * lists.c (copy_DEPS_LIST_list): New function.
1265 * sched-deps.c (extend_dependency_caches): New function. Move logic
1266 from create_dependency_caches to here.
1267 (get_dep_weak, ds_merge): Make global.
1268 * genattr.c (main): Code to output prototype for
1269 dfa_clear_single_insn_cache.
1270 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1271 (output_dfa_clean_insn_cache_func): Code to output
1272 dfa_clear_single_insn_cache function.
1273 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1275 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1277 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1278 New static variables.
1279 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1280 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1282 (ebb_sched_info): Initialize new fields.
1283 (get_block_head_tail): Adjust all uses.
1284 (compute_jump_reg_dependencies): Fixed to use glat_start.
1285 (schedule_ebb): Code to remove unreachable last block.
1286 (schedule_ebbs): Added code to update register live information.
1287 * sched-rgn.c (region_sched_info): Initialize new fields.
1288 (get_block_head_tail): Adjust all uses.
1289 (last_was_jump): Removed. Adjust users.
1290 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1291 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1292 Implement new hooks.
1293 (check_dead_notes1): New static function.
1294 (struct region): New fields: dont_calc_deps, has_real_ebb.
1295 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1296 (BB_TO_BLOCK): Fixed to handle EBBs.
1297 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1298 (ebb_head): New static variable.
1299 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1300 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1302 (compute_dom_prob_ps): New assertion.
1303 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1304 global_live_at_start.
1305 (init_ready_list): New assertions.
1306 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1307 (new_ready): Add support for BEGIN_CONTROL speculation.
1308 (schedule_insns): Fixed code that updates register live information
1310 (schedule_region): Fixed to handle EBBs.
1311 (init_regions): Use extend_regions and check_dead_notes1.
1312 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1313 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1314 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1315 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1316 TARGET_SCHED_GEN_CHECK,
1317 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1318 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1319 * doc/invoke.texi (max-sched-insn-conflict-delay,
1320 sched-spec-prob-cutoff): Document.
1322 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1324 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
1325 inter_tick, queue_index.
1326 (struct sched_info): Change signature of init_ready_list field.
1327 Adjust all initializations.
1328 (RESOLVED_DEPS): New access macro.
1329 (ready_add): Remove prototype.
1330 (try_ready): Add prototype.
1331 * sched-rgn.c (init_ready_list): Use try_ready.
1332 (schedule_region): Initialize
1333 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
1334 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
1335 (init_ready_list): Use try_ready.
1336 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
1337 * lists.c (remove_list_elem): Remove `static'.
1338 (remove_free_INSN_LIST_elem): New function.
1339 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
1340 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
1341 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
1343 (readyp): New variable.
1344 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
1345 change_queue_index, resolve_dep): New static functions.
1346 (try_ready): New function. Adjust callers in sched-rgn.c and
1347 sched-ebb.c to use it instead of ready_add.
1348 (clock_var): Move at the begining of file.
1349 (rank_for_schedule): Fix typo.
1350 (queue_insn): Add assertion. Handle QUEUE_INDEX.
1351 (ready_lastpos): Enforce assertion.
1352 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
1354 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
1355 (schedule_insn): Rewrite to use try_ready and resolve_dep.
1356 (queue_to_ready): Use free_INSN_LIST_list.
1357 (early_queue_to_ready): Fix typo.
1358 (schedule_block): Init readyp. Move init_ready_list call after the
1359 initialization of clock_var. Fix error in rejecting insn by
1360 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
1361 that previously corrected INSN_TICKs. Add code for handling
1363 (set_priorities): Fix typo.
1364 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
1365 Clarify comment and code that keeps current_sched_info->next_tail
1368 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1370 * sched-rgn.c (extend_rgns): New static function.
1371 (find_rgns): Use it.
1372 (gather_region_statistics, print_region_statistics): New static
1374 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
1375 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1377 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1378 Andrey Belevantsev <abel@ispras.ru>
1380 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
1381 * lists.c (unused_deps_list): New variable.
1382 (free_list): Add assertions to verify the proper distinguishing
1383 between INSN_LISTs and DEPS_LISTs.
1384 (find_list_elem, remove_list_elem, remove_list_node): New static
1386 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
1387 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
1388 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
1389 (alloc_INSN_LIST): Assert that the list we're working on is indeed
1391 (free_INSN_LIST_node): Likewise.
1392 * modulo-sched.c (current_sched_info): Initialize flags field.
1393 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
1394 * rtl.def (DEPS_LIST): Define.
1395 * rtl.h: Declare new functions from lists.c.
1396 * sched-deps.c (spec_dependency_cache): New static variable.
1397 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
1398 (add_dependence): Change return type to void. Move the logic to ...
1399 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
1400 (delete_all_dependences): Add comment about forward_dependency_cache.
1401 Handle spec_dependency_cache. Handle DEPS_LISTs.
1402 (fixup_sched_groups): Clarify the change of priority of output
1403 and anti dependencies.
1404 (sched_analyze_2): Adjust add_dependence calls to create data
1405 speculative dependence.
1406 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
1407 Adjust all callers. Handle DEPS_LISTS.
1408 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
1409 presence of speculation.
1410 (init_dependency_caches, free_dependency_caches):
1411 Handle spec_dependency_cache.
1412 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
1413 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
1414 New static functions.
1415 (add_or_update_back_dep, add_or_update_back_forw_dep,
1416 add_back_forw_dep, delete_back_forw_dep): New functions.
1417 * sched-int.h (ds_t, dw_t): New typedefs.
1418 (struct sched_info): Add new field flags.
1419 (struct haifa_insn_data): Add new bitfield has_internal_dep.
1420 Prototype new sched-deps.c functions.
1421 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
1422 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
1423 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
1424 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
1425 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
1426 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
1428 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
1430 * sched-rgn.c (current_sched_info): Initialize flags field.
1431 (schedule_insns): Initialize current_sched_info before the sched_init
1433 * sched-ebb.c (current_sched_info): Initialize flags field.
1434 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
1435 Call add_or_update_back_dep instead of add_dependence.
1436 Create control speculative dependencies.
1437 (schedule_insns): Initialize current_sched_info before the sched_init
1440 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
1442 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
1444 (sh_fallback_frame_state): Likewise.
1446 2006-03-15 Geoffrey Keating <geoffk@apple.com>
1448 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
1449 Do switch on default_use_cxa_atexit.
1450 (powerpc*-*-darwin*): Build crt2.o on powerpc.
1451 * config/darwin-crt3.o: New.
1452 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
1453 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
1454 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
1456 * config/rs6000/t-darwin: Move crt2.o building to here.
1457 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
1458 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
1461 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1463 * config/vax/vax.c (nonindexed_address_p): Change logical negation
1464 from '! xxx' to '!xxx' for coding-style conformance.
1465 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
1466 (EXTRA_CONSTRAINT): Likewise.
1467 * config/vax/vax.md (four unnamed insns): Likewise.
1469 2006-03-15 Paul Brook <paul@codesourcery.com>
1471 * config/arm/arm.c (minipool_pad): New.
1472 (add_minipool_forward_ref): Include pool alignment padding in address
1474 (push_minipool_fix): Set minipool_pad.
1475 (minipool_pad): Ditto.
1477 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1479 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
1480 instead of GET_CODE() == MEM and REG_P() instead of
1482 (print_operand_address): Likewise.
1483 (vax_address_cost): Likewise.
1484 (vax_rtx_costs): Likewise.
1485 (vax_notice_update_cc): Likewise.
1486 (vax_output_int_add): Likewise.
1487 (INDEX_REGISTER_P): Likewise.
1488 (BASE_REGISTER_P): Likewise.
1489 (nonindexed_address_p): Likewise.
1490 (vax_mode_dependent_address_p): Likewise.
1491 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
1492 (PRINT_OPERAND): Likewise.
1493 * config/vax/vax.md (ashlsi3): Likewise.
1494 (ashlsi3): Likewise.
1495 (some more unnamed insns): Likewise.
1497 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
1499 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
1500 iterator-style macro.
1501 (mark_control_dependent_edges_necessary): Update the use of
1502 EXECUTE_IF_CONTROL_DEPENDENT.
1504 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
1506 * config/sh/predicates.md (cache_address_operand): Special.
1507 (ua_address_operand): Likewise.
1509 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
1511 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
1513 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
1515 2006-03-15 Andreas Schwab <schwab@suse.de>
1517 * gensupport.c (identify_predicable_attribute): Don't free p_false
1518 when it is still in use.
1520 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1522 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
1523 the default setting here.
1525 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
1527 * tree-pass.h (pass_cfg): Remove.
1528 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
1529 * passes.c (pass_cfg): Don't run it.
1531 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
1533 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
1534 * reg-stack.c (stack_regs_mentioned_data): Change the type to
1536 (stack_regs_mentioned): Update the uses of
1537 stack_regs_mentioned_data. Don't access the array beyond its
1539 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
1540 Don't include gt-reg-stack.h.
1542 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
1543 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
1545 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
1548 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
1551 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1553 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
1555 2006-03-14 Richard Guenther <rguenther@suse.de>
1557 PR tree-optimization/26672
1558 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
1561 2006-03-14 Richard Guenther <rguenther@suse.de>
1563 PR tree-optimization/26667
1564 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
1565 node for the callees. Always allow inlining if it will shrink
1568 2006-03-14 Richard Guenther <rguenther@suse.de>
1571 * builtins.c (get_pointer_alignment): Prefer alignment
1572 information from decls over that from types.
1574 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
1577 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
1579 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
1581 * config/rs6000/rs6000.opt (mdlmzb): New option.
1582 (msched-prolog, msched-epilog): Use Var not Mask.
1583 * doc/invoke.texi (-mdlmzb): Document.
1584 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1586 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
1587 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
1589 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
1591 PR rtl-optimization/25739
1592 * bt-load.c (augment_live_range): Free tos pointer.
1594 * gensupport.c (identify_predicable_attribute): Free
1596 * gcov.c (create_file_names): Free name pointer.
1598 2006-03-13 Roger Sayle <roger@eyesopen.com>
1601 * stmt.c (emit_case_nodes): Handle the case where the index is a
1602 CONST_INT, where the comparison mode is specified by the index type.
1604 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1606 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
1609 2006-03-13 Richard Sandiford <richard@codesourcery.com>
1611 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
1612 (*branch_fp_inverted): Likewise.
1614 2006-03-13 Jakub Jelinek <jakub@redhat.com>
1617 * omp-low.c (expand_omp_for_generic): Mark istart0
1618 and iend0 as addressable.
1620 2006-03-13 Jie Zhang <jie.zhang@analog.com>
1622 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
1624 2006-03-13 Jeff Law <law@redhat.com>
1626 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
1627 virtual operands are interesting.
1628 (vrp_visit_stmt): Corresponding changes.
1630 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
1632 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
1634 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
1635 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
1636 * config/bfin/crti.S: Use it instead of __PIC__.
1637 * config/bfin/crtn.S: Likewise.
1639 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
1640 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
1642 Lose 'G' modifier for call operand.
1643 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
1644 recognize 'G' modifier.
1646 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
1649 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
1650 * stmt.c (expand_case): Likewise.
1652 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1654 PR rtl-optimization/26254
1655 * loop-invariant.c (seq_insns_valid_p): New function.
1656 (move_invariant_reg): Only emit new code if it is valid.
1658 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1660 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
1662 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
1663 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
1664 (commit_one_edge_insertion): Do not look for loop notes.
1666 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1668 * jump.c (follow_jumps): Do not check for loop notes. Move check for
1669 flag_test_coverage out of loop.
1671 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1673 * final.c (shorten_branches): Remove outdated comment, and turn
1674 the if branch that guards it to continue.
1676 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1678 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
1679 * cfgloop.h (struct loop): Remove unused fields.
1681 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
1683 * doc/invoke.texi (-fdump-rtl-loop): Remove.
1684 (-dL, -fdump-rtl-loop2): Update the dump file names
1686 * doc/invoke.texi: Update dump file names.
1688 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
1690 * predict.c (estimate_probability): Remove.
1691 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
1692 * basic-block.h (estimate_probability): Remove prototype.
1693 * passes.c (finish_optimization_passes): Dump branch prediction or
1694 profiling heuristics to the .profile tree dump.
1695 (init_optimization_passes): Unqueue pass_branch_prob.
1697 * doc/invoke.texi (-fdump-rtl-bp): Remove.
1699 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1701 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
1702 * rtl.h (LABEL_NEXTREF): Remove field accessor.
1704 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
1706 * function.h (frame_offset_overflow): Declare.
1707 * function.c (frame_offset_overflow): New function.
1708 (assign_stack_local_1): Call it to detect that the offset overflows.
1709 * cfgexpand.c (alloc_stack_frame_space): Likewise.
1711 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1713 * config/sh/sh.c: Include alloc-pool.h.
1714 (label_ref_list_pool): New alloc pool.
1715 (label_ref_list_t): New type for lists of labels.
1716 (struct pool_node): Make wend a label_ref_list_t.
1717 (add_constant): Use the new type, eradicate LABEL_NEXTREF
1719 (dump_table): Likewise.
1720 (sh_reorg): Set up the alloc pool before using add_constant and
1721 dump_table, and destroy it when finishing.
1723 2006-03-11 Richard Sandiford <richard@codesourcery.com>
1725 * config/mips/mips.c: Remove redundant comment.
1727 2006-03-10 Jason Merrill <jason@redhat.com>
1730 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
1731 the target was declared 'register'.
1733 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
1735 * genpreds.c (write_insn_constraint_len): Change definition of
1736 insn_constraint_len to return size_t to match the declaration.
1738 2006-03-10 DJ Delorie <dj@redhat.com>
1740 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
1742 (m32c_expand_insv): Fix test for an AND mask.
1744 2006-03-10 Richard Guenther <rguenther@suse.de>
1747 * builtins.c (get_pointer_alignment): Handle component
1748 references for field alignment.
1750 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1752 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
1753 when building with libgloss.
1754 (sh*elf): Implement --without-fp option.
1755 (sh64-superh-linux*): Don't multilib.
1757 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1759 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
1761 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
1763 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
1764 Set it when one of the replacement functions returned true.
1765 Return TODO_cleanup_cfg if cfgchanged is true.
1766 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
1768 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
1770 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
1771 instead of gen_lowpart.
1773 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1775 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
1777 (mips_output_order_conditional_branch): Declare.
1778 * config/mips/mips.h (MIPS_BRANCH): New macro.
1779 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
1780 for the comparison. Use gen_condjump.
1781 (mips_output_conditional_branch): Rework interface to take the
1782 asm templates for a direct branch and the inverse of a direct branch.
1783 (mips_output_order_conditional_branch): New function.
1784 (mips_builtin_branch_and_move): New function.
1785 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
1786 branch condition. Use gen_single_cc as the condition for
1787 __builtin_mips_upper_* or __builtin_mips_lower_*.
1788 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
1789 Use VOIDmode for the branch condition.
1790 * config/mips/predicates.md (order_operator): New predicate.
1791 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
1792 (branch_fp): Rename to...
1793 (*branch_fp): ...this. Remove mode from comparison operator.
1794 Use new mips_output_conditional_branch interface.
1795 (branch_fp_inverted): Rename to...
1796 (*branch_fp_inverted): ...this and update as for *branch_fp.
1797 (*branch_zero<mode>): Rename to...
1798 (*branch_order<mode>): ...this. Remove mode from comparison operator.
1799 Use mips_output_order_conditional_branch. Only accept ordered
1801 (*branch_zero<mode>_inverted): Rename to...
1802 (*branch_order<mode>_inverted): ...this and update as for
1803 *branch_order<mode>.
1804 (*branch_equality<mode>): Accept zero as the second operand to
1805 the equality operator. Use the new mips_output_conditional_branch
1807 (*branch_equality<mode>_inverted): Likewise.
1808 (condjump): New expander.
1809 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
1811 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
1812 (bc1any2t, bc1any2f): Likewise.
1813 (single_cc): New expander.
1814 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
1816 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1818 * doc/md.texi: Update documentation of MIPS constraints.
1819 * config/mips/constraints.md: New file.
1820 * config/mips/mips.md: Include it.
1821 * config/mips/mips.c (mips_char_to_class): Delete.
1822 (override_options): Don't initialize mips_char_to_class.
1823 * config/mips/mips.h (mips_char_to_class): Delete.
1824 (REG_CLASS_FROM_LETTER): Delete.
1825 (CONST_OK_FOR_LETTER_P): Delete.
1826 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1827 (EXTRA_CONSTRAINT_Y): Delete.
1828 (EXTRA_CONSTRAINT_STR): Delete.
1829 (CONSTRAINT_LEN): Delete.
1830 (EXTRA_MEMORY_CONSTRAINT): Delete.
1832 2006-03-09 Diego Novillo <dnovillo@redhat.com>
1834 * tree-cfg.c (move_block_to_fn): Remove the statements from the
1835 original fn's eh regions.
1837 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
1839 * fold-const.c (build_range_check): Make sure to use a valid type to
1840 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
1843 (range_predecessor): New static function.
1844 (range_successor): Likewise.
1845 (merge_ranges): Use them to compute predecessors and successors of
1848 2006-03-09 Roger Sayle <roger@eyesopen.com>
1851 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
1852 X op C3, consider whether C3 overflows towards +Inf or -Inf.
1854 2006-03-08 DJ Delorie <dj@redhat.com>
1856 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
1857 (addpsi3): Expand to include memory operands. Remove
1858 reload-specific splits.
1859 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
1860 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
1861 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
1862 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
1863 (shift1_qi, shift1_hi, insv): New.
1864 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
1865 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
1866 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
1868 * config/m32c/m32c-protos.h: Update as needed.
1869 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
1870 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
1871 Fail for unrecognized R* constraints.
1872 (m32c_cannot_change_mode_class): Be more picky about pseudos.
1873 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
1874 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
1876 (m32c_init_libfuncs): New.
1877 (m32c_legitimate_address_p): Add debug wrapper.
1878 (m32c_rtx_costs): New.
1879 (m32c_address_cost): New.
1880 (conversions): Add 'B' prefix.
1881 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
1882 operands, or word regnames for QI operands. 'B' prints bit
1884 (m32c_expand_setmemhi): New.
1885 (m32c_expand_movmemhi): New.
1886 (m32c_expand_movstr): New.
1887 (m32c_expand_cmpstr): New.
1888 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
1889 (m32c_expand_neg_mulpsi3): Handle non-ints.
1890 (m32c_cmp_flg_0): New.
1891 (m32c_expand_movcc): New.
1892 (m32c_expand_insv): New.
1893 (m32c_scc_pattern): New.
1894 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
1895 a0/a1 out of SIregs.
1896 (STORE_FLAG_VALUE): New.
1897 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
1900 * config/m32c/mov.md: Make constraints more liberal.
1901 (zero_extendqihi2): Optimize r0/r1 case.
1902 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
1903 * config/m32c/predicates.md (m32c_any_operand): New.
1904 (m32c_nonimmediate_operand): New.
1905 (m32c_hl_operand): New.
1906 (m32c_r3_operand): New.
1909 (memsym_operand): New.
1910 (memimmed_operand): New.
1911 (a_qi_operand): New.
1912 (m32c_eqne_operator): New.
1913 (m32c_1bit8_operand): New.
1914 (m32c_1bit16_operand): New.
1915 (m32c_1mask8_operand): New.
1916 (m32c_1mask16_operand): New.
1917 * config/m32c/blkmov.md: New file.
1918 * config/m32c/t-m32c (MD_FILES): Add blkmov.
1920 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
1922 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
1923 unsigned to fix signed/unsigned comparison issue in
1924 DWARF2_FRAME_REG_OUT.
1925 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
1926 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
1928 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
1929 of ptr into the ENABLE_CHECKING section.
1931 2006-03-08 Jeff Law <law@redhat.com>
1933 * tree-vrp.c (infer_value_range): Only count pointer uses
1934 and dereferences if -fdelete-null-pointer-checks is enabled.
1936 * tree-vrp.c (find_assert_locations): Infer value ranges for
1937 single use pointers, but do not create ASSERT_EXPRs for them.
1938 When a non-null range is inferred for a pointer, backwards
1939 propagate that range to other equivalent pointers through the
1942 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
1945 * Makefile.in (dvi, html, install-info): Invoke the corresponding
1946 language hook targets.
1947 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
1948 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
1949 if language hook targets were missing.
1951 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
1953 * tree-ssa-opfinalize.h: Removed.
1954 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
1956 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
1957 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
1958 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
1959 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
1960 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
1961 finalize_ssa_v_must_def_ops): New.
1963 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
1965 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
1968 2006-03-07 Geoffrey Keating <geoffk@apple.com>
1970 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
1972 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
1973 addresses with offsets; reorganize.
1975 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
1976 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
1977 (expand_builtin_init_dwarf_reg_sizes): Likewise.
1979 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
1982 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
1984 2006-03-08 Ben Elliston <bje@au.ibm.com>
1986 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
1988 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
1991 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
1994 2006-03-07 Richard Guenther <rguenther@suse.de>
1996 PR tree-optimization/26587
1997 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
1999 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2001 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2003 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2005 * hooks.c (hook_bool_mode_rtx_true): New function.
2006 * hooks.h (hook_bool_mode_rtx_true): Declare.
2007 * toplev.c (compile_file): Call output_shared_constant_pool.
2008 * varasm.c (shared_constant_pool): New variable.
2009 (assemble_start_function, assemble_end_function): Remove arguments
2010 from call to output_constant_pool.
2011 (create_constant_pool): New function, split out from...
2012 (init_varasm_status): ...here.
2013 (force_const_mem): Choose between the shared and per-function constant
2014 pools. Set current_function_uses_const_pool when reusing old entries
2015 as well as when creating new ones.
2016 (mark_constant): Ignore data argument.
2017 (mark_constants): Remove pool argument.
2018 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2019 to decide whether the function uses a constant pool.
2020 (output_constant_pool_contents): New function, split out from...
2021 (output_constant_pool): ...here.
2022 (output_shared_constant_pool): New function.
2023 (init_varasm_once): Initialize shared_constant_pool.
2024 * output.h (output_constant_pool): Delete.
2025 (output_shared_constant_pool): Declare.
2026 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2027 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2029 2006-03-06 Nick Clifton <nickc@redhat.com>
2031 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2032 flag_strength_reduce.
2034 2006-03-06 Ben Elliston <bje@au.ibm.com>
2036 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2037 x86_64-*-linux* configurations.
2039 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2040 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2042 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2044 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2046 * basic-block.h: Remove the extern for
2047 rediscover_loops_after_threading.
2049 * cfgloop.c (cancel_loop): Make it static.
2050 * cfgloop.h: Remove the prototype for cancel_loop.
2052 * flow.c (recompute_reg_usage): Make it static.
2053 * rtl.h: Remove the prototype for recompute_reg_usage.
2055 * function.c (use_return_register): Make it static.
2056 * function.h: Remove the prototype.
2058 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2060 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2062 * recog.h: Remove the prototype for
2063 validate_change_maybe_volatile.
2065 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2067 * rtlanal.c (replace_reg): Remove.
2068 * rtl.h: Remove the prototype for replace_reg.
2070 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2072 * regclass.c (reg_scan_update): Remove.
2073 (reg_scan_mark_refs): Remove the last argument.
2074 * rtl.h: Remove the prototype for reg_scan_update.
2076 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2078 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2079 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2080 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2081 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2082 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2083 loop-invariant.c, omp-low.c, opts.c, passes.c,
2084 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2085 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2086 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2087 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2088 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2089 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2091 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2093 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2094 * dwarf2out.h: Remove the prototype for
2095 dwarf2out_add_library_unit_info.
2097 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2099 * tree.c (add_var_to_bind_expr): Remove.
2100 * tree.h: Remove the prototype for add_var_to_bind_expr.
2102 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2104 * regclass.c (n_non_fixed_regs): Remove.
2105 (init_reg_sets_1, globalize_reg): Remove all uses of
2107 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2109 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2111 * rtlanal.c (insns_safe_to_move_p): Remove.
2112 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2114 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2116 * expmed.c (expand_mult_add): Remove.
2117 * expr.h: Remove the prototype for expand_mult_add.
2119 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2121 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2122 and REG_SAVED_VAL_EXP constants.
2123 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2124 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2125 Handle regs stored by value.
2126 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2127 (execute_cfa_program): Handle DW_CFA_val_offset,
2128 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2129 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2130 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2131 (uw_install_context_1): Handle target regs stored by value.
2133 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2135 * tree-sra.c (tree_sra): Return todoflags;
2136 (generate_one_element): Set TODO_update_smt_usage if needed.
2137 (pass_sra): Remove TODO_update_smt_usage.
2138 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2140 (tree_ssa_forward_propagate_single_use_vars): Return
2141 TODO_update_smt_usage if we need to update SMT usage.
2142 (pass_forwprop): Remove TODO_update_smt_usage.
2144 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2146 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2147 (correct_use_link): Remove reference to get_stmt_operands.
2148 (update_stmt_operands): Likewise.
2149 (get_modify_expr_operands): New function factored out of
2150 parse_ssa_operands and get_expr_operands.
2151 Try to create V_MUST_DEFs for LHS by default.
2152 (get_expr_operands) <case MODIFY_EXPR>: Call
2153 get_modify_expr_operands.
2154 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2155 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2156 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2157 get_modify_expr_operands.
2159 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2161 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2162 * tree-flow.h: Remove the prototype for
2163 referenced_var_lookup_if_exists.
2165 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2167 PR rtl-optimization/26345
2169 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2171 2006-03-03 Roger Sayle <roger@eyesopen.com>
2173 PR tree-optimization/26524
2174 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2175 fold_convert to create a constant of the appropriate type.
2177 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2179 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2180 SYMBOL_REF_IN_BLOCK_P.
2181 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2182 of SYMBOL_FLAG_IN_BLOCK.
2183 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2184 instead of SYMBOL_REF_IN_BLOCK_P.
2185 * explow.c (use_anchored_address): Likewise.
2186 * rtl.c (rtx_size): Likewise.
2187 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2188 instead of SYMBOL_FLAG_IN_BLOCK.
2189 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2190 SYMBOL_REF_IN_BLOCK_P.
2191 (assemble_variable): Likewise.
2192 (output_constant_def_contents): Likewise.
2193 (output_constant_pool): Likewise.
2194 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2195 instead of SYMBOL_FLAG_IN_BLOCK.
2196 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2197 SYMBOL_REF_IN_BLOCK_P.
2198 (SYMBOL_REF_BLOCK): Likewise.
2199 (SYMBOL_REF_OFFSET): Likewise.
2200 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2201 SYMBOL_REF_IN_BLOCK_P.
2202 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2203 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2204 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2205 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2207 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2209 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2211 2006-03-02 Roger Sayle <roger@eyesopen.com>
2213 * simplify-rtx.c (simplify_unary_operation): When simplifying
2214 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2215 that we perform the right shift in the appropriate mode, and
2216 then extend or truncate the result to requested mode.
2218 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2220 * gengtype.c (main): Handle double_int type.
2221 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2222 * double-int.c: New file.
2223 * double-int.h: New file.
2224 * system.h: Include doubleint.h.
2225 * Makefile.in (SYSTEM_H): Include double-int.h.
2226 (double-int.o): Add.
2228 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2231 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2234 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2236 * tree-vrp.c (remove_range_assertions): Do not update statements
2239 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2241 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2243 * gcse.c (rest_of_handle_gcse): Ditto.
2244 * except.c (gate_handle_eh): Ditto.
2245 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2246 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2248 2006-03-02 Eric Christopher <echristo@apple.com>
2250 * config/i386/i386.c (machopic_output_stub): Add indirection to
2253 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2257 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2259 Sun Niagara specific optimizations.
2260 * config.gcc: Recognize niagara as target.
2261 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2262 (TARGET_CPU_niagara): Define.
2263 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2264 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2265 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2266 (ASM_CPU_SPEC): Likewise.
2267 (PROCESSOR_NIAGARA): New enum entry.
2268 (REGISTER_MOVE_COST): Handle Niagara.
2269 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2270 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2271 (sparc_override_options): Recognize "niagara", set appropriate
2272 default MASK_* values for it, and align functions to 32-bytes
2273 by default just like ULTRASPARC/ULTRASPARC3.
2274 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2275 (sparc64_initialize_trampoline): Likewise.
2276 (sparc_use_sched_lookahead): Use zero for niagara.
2277 (sparc_issue_rate): Use one for niagara.
2278 * config/sparc/niagara.md: New file.
2279 * config/sparc/sparc.md: Include it.
2280 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2281 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2282 when default cpu is niagara.
2283 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2284 (ASM_CPU_SPEC): Likewise.
2285 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2286 when default cpu is niagara.
2287 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2288 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2289 just like v9/ultrasparc/ultrasparc3.
2290 * doc/invoke.texi: Add documentation for "niagara" and improve
2291 existing documentation for ultrasparc variants.
2293 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2295 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2297 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2299 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2300 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2301 and say that only one is needed.
2302 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2303 * target.h (have_switchable_bss_sections): New hook.
2304 * explow.c (use_anchored_address): Check that the symbol is in a block.
2305 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2306 (bss_noswitch_section): New variables.
2307 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2308 (get_noswitch_section): New function.
2309 (get_block_for_section): Allow SECT to be null.
2310 (unlikely_text_section_p): Use SECTION_STYLE.
2311 (bss_initializer_p): New function.
2312 (get_variable_section): Move earlier in file. Take a new argument,
2313 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2314 Return one of the new *_sections in such cases.
2315 (get_block_for_decl): New function, extracting some logic from
2316 use_blocks_for_decl_p.
2317 (change_symbol_section): Remove in favor of...
2318 (change_symbol_block): ...this new function.
2319 (use_blocks_for_decl_p): Remove checks now performed by
2321 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
2322 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
2323 (emit_local, emit_bss, emit_common): ...these new functions.
2324 Return true if the alignment was honored.
2325 (emit_tls_common): New function.
2326 (asm_emit_uninitialised): Delete.
2327 (assemble_variable_noswitch): New function, split out from...
2328 (assemble_variable): ...here. Don't make decisions about common
2329 variables here. Globalize all public decls that go into non-common
2330 sections. Check whether SYMBOL_REF_BLOCK is null.
2331 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
2332 (output_constant_pool): Likewise.
2333 (init_varasm_once): Initialize the new section variables.
2334 (have_global_bss_p): New function.
2335 (categorize_decl_for_section): Use bss_initializer_p.
2336 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
2337 (place_block_symbol): Assert that the symbol must be in a block.
2338 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
2339 (TARGET_INITIALIZER): Include it.
2340 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
2341 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
2342 (SECTION_MACH_DEP): Bump by two.
2343 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
2344 (unnamed_section): Mention SECTION_UNNAMED in comment.
2345 (named_section): Likewise SECTION_NAMED.
2346 (noswitch_section_callback): New type.
2347 (noswitch_section): New structure.
2348 (section): Add a noswitch_section alternative.
2349 (SECTION_STYLE): New macro.
2350 (tls_comm_section, comm_section, lcomm_section): Declare.
2351 (bss_noswitch_section, have_global_bss_p): Declare.
2352 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2353 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2355 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2356 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2359 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
2361 * gcc/tree-vrp.c (execute_vrp): Return value.
2362 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
2363 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
2364 * gcc/tree-complex.c (tree_lower_complex): Ditto.
2365 (tree_lower_complex_O0): Ditto.
2366 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
2367 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
2368 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
2369 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
2370 (execute_tail_calls): Ditto.
2371 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2372 * gcc/tree.h (init_function_for_compilation): Ditto.
2373 * gcc/ipa-cp.c (ipcp_driver): Ditto.
2374 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
2375 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
2376 * gcc/final.c (compute_alignments): Ditto.
2377 (rest_of_handle_final): Ditto.
2378 (rest_of_handle_shorten_branches): Ditto.
2379 (rest_of_clean_state): Ditto.
2380 * gcc/omp-low.c (execute_expand_omp): Ditto.
2381 (execute_lower_omp): Ditto.
2382 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
2383 * gcc/ipa-reference.c (static_execute): Ditto.
2384 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
2385 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
2386 (rest_of_handle_machine_reorg): Ditto.
2387 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
2388 * gcc/flow.c (recompute_reg_usage): Ditto.
2389 (rest_of_handle_remove_death_notes): Ditto.
2390 (rest_of_handle_life): Ditto.
2391 (rest_of_handle_flow2): Ditto.
2392 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
2393 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
2394 (do_ssa_store_ccp): Ditto.
2395 (execute_fold_all_builtins): Ditto.
2396 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
2397 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
2398 * gcc/ipa-pure-const.c (static_execute): Ditto.
2399 * gcc/cse.c (rest_of_handle_cse): Ditto.
2400 (rest_of_handle_cse2): Ditto.
2401 * gcc/web.c (rest_of_handle_web): Ditto.
2402 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
2403 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
2404 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2405 * gcc/tree-nrv.c (tree_nrv): Ditto.
2406 (execute_return_slot_opt): Ditto.
2407 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
2408 (create_structure_vars): Ditto.
2409 * gcc/loop-init.c (rtl_loop_init): Ditto.
2410 (rtl_loop_done): Ditto.
2411 (rtl_move_loop_invariants): Ditto.
2412 (rtl_unswitch): Ditto.
2413 (rtl_unroll_and_peel_loops): Ditto.
2414 (rtl_doloop): Ditto.
2415 * gcc/gimple-low.c (lower_function_body): Ditto.
2416 (mark_used_blocks): Ditto.
2417 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
2418 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
2419 (cgraph_early_inlining): Ditto.
2420 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
2421 * gcc/jump.c (cleanup_barriers): Ditto.
2422 (purge_line_number_notes): Ditto.
2423 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
2424 (rest_of_handle_if_after_reload): Ditto.
2425 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
2426 (tree_ssa_loop_im): Ditto.
2427 (tree_ssa_loop_unswitch): Ditto.
2428 (tree_vectorize): Ditto.
2429 (tree_linear_transform): Ditto.
2430 (tree_ssa_loop_ivcanon): Ditto.
2431 (tree_ssa_empty_loop): Ditto.
2432 (tree_ssa_loop_bounds): Ditto.
2433 (tree_complete_unroll): Ditto.
2434 (tree_ssa_loop_prefetch): Ditto.
2435 (tree_ssa_loop_ivopts): Ditto.
2436 (tree_ssa_loop_done): Ditto.
2437 * gcc/predict.c (tree_estimate_probability): Ditto.
2438 * gcc/recog.c (split_all_insns_noflow): Ditto.
2439 (rest_of_handle_peephole2): Ditto.
2440 (rest_of_handle_split_all_insns): Ditto.
2441 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
2442 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
2443 (rest_of_handle_stack_adjustments): Ditto.
2444 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
2445 * gcc/function.c (instantiate_virtual_regs): Ditto.
2446 (init_function_for_compilation): Ditto.
2447 (rest_of_handle_check_leaf_regs): Ditto.
2448 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
2449 (rest_of_handle_gcse): Ditto.
2450 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
2451 * gcc/alias.c (rest_of_handle_cfg): Ditto.
2452 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
2453 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
2454 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
2455 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
2456 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
2457 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
2458 * gcc/except.c (set_nothrow_function_flags): Ditto.
2459 (convert_to_eh_region_ranges): Ditto.
2460 (rest_of_handle_eh): Ditto.
2461 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
2462 (remove_unnecessary_notes): Ditto.
2463 * gcc/except.h (set_nothrow_function_flags): Ditto.
2464 (convert_to_eh_region_ranges): Ditto.
2465 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
2466 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
2467 * gcc/tree-ssa-pre.c (do_pre): Ditto.
2468 (execute_fre): Ditto.
2469 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
2470 (rest_of_handle_jump2): Ditto.
2471 * gcc/tree-sra.c (tree_sra): Ditto.
2472 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
2473 (execute_mudflap_function_decls): Ditto.
2474 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
2475 (do_store_copy_prop): Ditto.
2476 * gcc/ipa-prop.h (ipcp_driver): Ditto.
2477 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
2478 * gcc/tree-ssa-forwprop.c
2479 (tree_ssa_forward_propagate_single_use_vars): Ditto.
2480 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
2481 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
2482 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
2483 (execute_late_warn_uninitialized): Ditto.
2484 * gcc/rtl.h (cleanup_barriers): Ditto.
2485 (split_all_insns_noflow): Ditto.
2486 (purge_line_number_notes): Ditto.
2487 (unshare_all_rtl): Ditto.
2488 (remove_unnecessary_notes): Ditto.
2489 (recompute_reg_usage): Ditto.
2490 (variable_tracking_main): Ditto.
2491 * gcc/integrate.c (emit_initial_value_sets): Ditto.
2492 * gcc/integrate.h (emit_initial_value_sets): Ditto.
2493 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
2494 (execute_free_cfg_annotations): Ditto.
2495 (execute_fixup_cfg): Ditto.
2496 (execute_cleanup_cfg_pre_ipa): Ditto.
2497 (execute_cleanup_cfg_post_optimizing): Ditto.
2498 (execute_init_datastructures): Ditto.
2499 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
2500 * gcc/combine.c (rest_of_handle_combine): Ditto.
2501 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
2502 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
2503 (rest_of_handle_reorder_blocks): Ditto.
2504 (rest_of_handle_partition_blocks): Ditto.
2505 * gcc/var-tracking.c (variable_tracking_main): Ditto.
2506 * gcc/tree-profile.c (tree_profiling): Ditto.
2507 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
2508 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
2509 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
2510 (rest_of_handle_sched2): Ditto.
2511 * gcc/basic-block.h (free_bb_insn): Ditto.
2512 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
2513 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
2514 (remove_useless_stmts): Ditto.
2515 (split_critical_edges): Ditto.
2516 (execute_warn_function_return): Ditto.
2517 (execute_warn_function_noreturn): Ditto.
2518 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
2519 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
2520 * gcc/passes.c (execute_one_pass): Run additional
2521 todos returned by execute function.
2522 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
2525 2006-03-02 Richard Guenther <rguenther@suse.de>
2527 * tree-ssa-alias.c (find_used_portions): Consider taking
2528 the address as making the variable not write-only.
2530 2006-03-02 Nick Clifton <nickc@redhat.com>
2532 * config.gcc (default_use_cxa_atexit): Extend the description of
2533 this configure variable. Set its default value to "yes" for
2534 Linux, NetBSD and ELF targets on the assumption that they will
2535 use C libraries with the __cxa_atexit function.
2537 2006-03-02 Ben Elliston <bje@au.ibm.com>
2539 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
2540 parameter as unused to suppress a build warning.
2542 2006-03-02 Ben Elliston <bje@au.ibm.com>
2544 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
2547 2006-03-01 Roger Sayle <roger@eyesopen.com>
2550 * gthr-posix.h (__gthrw2): Define to take three parameters, the
2551 declared name, the weak reference name, and the typeof name.
2552 (__gthrw): Avoid expanding the declared name suffix.
2553 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
2555 2006-03-01 Jakub Jelinek <jakub@redhat.com>
2557 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
2559 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
2560 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
2561 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
2562 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
2563 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
2564 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
2565 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
2566 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
2567 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
2568 DW_DS_leading_separate, DW_DS_trailing_separate): New.
2569 (DW_END_default, DW_END_big, DW_END_little): New.
2570 (DW_END_lo_user, DW_END_hi_user): Define.
2571 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
2572 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
2573 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
2576 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2578 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
2580 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
2582 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
2584 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
2586 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
2587 to 'symbol_mem_tag'.
2589 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
2592 2006-03-01 Roger Sayle <roger@eyesopen.com>
2594 * builtins.c (fold_builtin_copysign): Delete unreachable code.
2596 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2599 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
2600 MACHO_DYNAMIC_NO_PIC_P.
2601 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
2603 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2606 * config/darwin-protos.h (darwin_asm_output_anchor):
2608 * config/darwin-sections.def (cstring_section):
2609 Add SECTION_MERGE to the flags.
2610 (literal4_section): Likewise.
2611 (literal8_section): Likewise.
2612 (objc_selector_refs_section): Likewise.
2613 (objc_cls_refs_section): Likewise.
2614 * config/darwin.c (darwin_asm_output_anchor): New
2616 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2618 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
2620 Fix PR tree-optimization/26443
2621 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
2622 to todo and PROP_tmt_usage to properties_destroyed.
2623 * tree-ssa-ccp.c (pass_ccp): Ditto.
2624 (pass_store_ccp): Ditto.
2625 * tree-ssa-dom.c (pass_dominator): Ditto.
2627 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2629 * tree-ssa-operands.c: Cleanup whitespace.
2630 (get_asm_expr_operands): Move before first invocation.
2631 (get_indirect_ref_operands): Likewise.
2632 (get_tmr_operands): Likewise.
2633 (get_call_expr_operands): Likewise.
2634 (append_def): Likewise.
2635 (append_use): Likewise.
2636 (append_v_may_def): Likewise.
2637 (append_v_must_def): Likewise.
2638 (add_call_clobber_ops): Likewise.
2639 (add_call_read_ops): Likewise.
2640 (add_stmt_operand): Likewise.
2641 (add_virtual_operand): Likewise.
2642 (build_ssa_operands): Likewise.
2644 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2649 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2650 with a call expr to ...
2651 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2653 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2655 * tree-vrp.c (extract_range_from_assert): Remove special
2656 handling for types with super-types.
2658 2006-03-01 Ben Elliston <bje@au.ibm.com>
2660 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
2661 and powerpc64-*-linux* configurations.
2662 * config/t-dfprules: New file.
2664 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
2665 Compile dfp-bit.c from the source directory using -DWIDTH and
2666 $DFP_CFLAGS to control the compilation of that file, rather than
2667 generating width-specific versions in the build directory.
2668 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
2669 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
2671 2006-02-28 Zack Weinberg <zackw@panix.com>
2673 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
2676 2006-02-28 Eric Christopher <echristo@apple.com>
2678 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
2679 Set up IN_LIBGCC definition of TARGET_64BIT.
2680 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
2682 2006-02-28 Roger Sayle <roger@eyesopen.com>
2685 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
2686 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
2687 cases via the construction of "expr != 0".
2689 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2691 * alias.c (alias_invariant, alias_invariant_size): Remove.
2692 (record_base_value): Remove.
2693 (memrefs_conflict_p): Don't look at alias_invariant.
2694 (end_alias_analysis): Don't free it.
2695 * alias.h (record_base_value): Remove prototype.
2697 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
2698 Adam Nemet <anemet@caviumnetworks.com>
2700 * rtl.h (truncated_to_mode): Declare it.
2701 (struct rtl_hooks): Add reg_truncated_to_mode hook.
2702 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
2703 (RTL_HOOKS_INITIALIZER): Include it.
2704 * rtlhooks.c (reg_truncated_to_mode_general): New function.
2705 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
2706 reg_truncated_to_mode.
2707 * rtlanal.c (truncated_to_mode): Define it.
2708 * simplify-rtx.c (simplify_unary_operation_1): Use it.
2710 2006-02-28 Jeff Law <law@redhat.com>
2712 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
2713 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
2714 the range allowed by TYPE_PRECISION.
2716 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
2718 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
2720 PR tree-optimization/26419
2721 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
2724 2006-02-27 Zack Weinberg <zackw@panix.com>
2726 * doc/md.texi: Fix typo in previous change.
2728 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
2732 2006-02-27 Zack Weinberg <zackw@panix.com>
2734 * rtl.def (define_constraint, define_register_constraint)
2735 (define_memory_constraint, define_address_constraint): New MD forms.
2736 * gensupport.c (process_rtx): Put define_constraint etc on the
2738 * genpreds.c (process_define_predicate): Adjust comment. Validate
2739 the name, and call validate_exp to validate the expression.
2740 (mark_mode_tests, write_extract_subexp): Can assume correct input.
2741 (write_predicate_expr): Likewise. NAME argument no longer necessary;
2742 all callers changed.
2743 (validate_exp, needs_variable, struct constraint_data)
2744 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
2745 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
2746 (const_dbl_constraints, constraint_max_namelen)
2747 (have_register_constraints, have_memory_constraints)
2748 (have_address_constraints, have_address_constraints)
2749 (have_extra_constraints, have_const_int_constraints)
2750 (have_const_dbl_constraints, mangle, add_constraint)
2751 (process_define_constraint, process_define_register_constraint)
2752 (write_enum_constraint_num, write_lookup_constraint)
2753 (write_insn_constraint_len, write_regclass_for_constraint)
2754 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
2755 (write_insn_extra_memory_constraint)
2756 (write_insn_extra_address_constraint)
2757 (write_satisfies_constraint_fns): New.
2758 (write_tm_preds_h): If we have new-style constraint definitions,
2759 prototype the functions generated from them, and define the
2760 old constraint interface (still used by generic code) in terms of
2762 (write_insn_preds_c): If we have new-style constraint definitions,
2763 generate all relevant functions from those definitions.
2764 (main): Handle define_constraint etc.
2765 * genoutput.c (struct constraint_data, indep_constraints)
2766 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
2767 (mdep_constraint_len): New data structures and functions, defined
2768 #ifdef USE_MD_CONSTRAINTS.
2769 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
2770 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
2771 use new logic to validate operand constraints against constraint
2773 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
2775 * defaults.h: If none of the old-style constraint macros are
2776 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
2777 old-style macros; and poison REG_CLASS_FROM_LETTER,
2778 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
2780 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
2781 * doc/md.texi: Document new constraint-definition mechanism and the
2782 C interface it provides. Remove references to old mechanism
2783 elsewhere in the document.
2784 (Machine Constraints): Use pathnames relative to gcc directory,
2785 i.e. config/ARCH/FILE. Change i386 section to refer to
2786 config/i386/predicates.md; update that section to match docstrings.
2787 * doc/tm.texi: Move all documentation of the old constraint-
2788 definition macros to their own section, clearly mark as obsolete.
2790 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
2791 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
2793 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
2794 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2795 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
2797 (splits and peepholes): Use satisfies_constraint_*.
2798 * config/i386/i386.c (memory_address_length)
2799 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
2801 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2803 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
2804 scalar operation to be put back into the loop.
2806 2006-02-27 Jakub Jelinek <jakub@redhat.com>
2809 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
2810 (extract_cie_info): Handle S flag in augmentation string.
2811 (execute_cfa_program): If context->signal_frame, execute also
2812 fs->pc == context->ra instructions.
2813 (uw_frame_state_for): If context->signal_frame, don't subtract one
2814 from context->ra to find FDE.
2815 (uw_update_context_1): Set context->signal_frame to
2817 (_Unwind_GetIPInfo): New function.
2818 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
2819 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
2821 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
2822 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
2823 * unwind-compat.c (_Unwind_GetIPInfo): New function.
2824 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
2825 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
2826 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
2827 * config/i386/linux-unwind.h (x86_fallback_frame_state,
2828 x86_64_fallback_frame_state): Set fs->signal_frame.
2829 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
2830 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
2831 (frob_update_context): Likewise. Workaround missing S flag in
2832 Linux 2.6.12 - 2.6.16 kernel vDSOs.
2833 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
2834 Remove the psw_addr + 1 hack.
2836 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2838 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
2839 with aggregates here.
2840 (find_func_aliases): Remove code for &<aggregate> from here.
2842 2006-02-26 Roger Sayle <roger@eyesopen.com>
2844 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
2845 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
2846 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
2849 2006-02-26 Roger Sayle <roger@eyesopen.com>
2852 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
2854 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
2856 * opts.c (decode_options): Do not handle flag_strength_reduce.
2857 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
2858 and OPT_fstrength_reduce.
2859 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
2860 flag_prefetch_loop_arrays for being nonzero.
2861 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
2863 (fprefetch-loop-arrays-rtl): Removed.
2864 (flag_prefetch_loop_arrays): Do not specify the value.
2866 * doc/passes.texi: Update documentation of loop optimizer
2868 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
2869 -frerun-loop-opt): Remove.
2871 2006-02-26 Richard Guenther <rguenther@suse.de>
2873 PR tree-optimization/26421
2874 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
2875 in function calls that are ADDR_EXPRs as using the whole structure.
2877 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
2879 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
2880 * tree-pass.h (pass_loop_optimize): Remove.
2881 * passes.c (pass_loop_optimize): Never run it.
2882 * toplev.c (backend_init): Don't call init_loop.
2883 * opts.c (flag_loop_optimize_set): Remove.
2884 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
2885 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
2886 the old RTL loop optimizer when profiling enabled.
2887 * predict.c (tree_estimate_probability): Always strip builtin_expect.
2888 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
2889 pre-headers for the sake of the old RTL loop optimizer.
2890 * Makefile.in: Remove all references to loop.o.
2892 * doc/invoke.texi: Remove all references to -floop-optimize
2893 and -frerun-loop-opt.
2895 2006-02-26 Zack Weinberg <zackw@panix.com>
2897 * doc/md.texi (Machine Constraints): Refer to all files with paths
2898 relative to gcc directory (i.e. config/CPU/file). Add missing
2899 @table @code ... @end table to M32C subsection.
2901 2006-02-26 Roger Sayle <roger@eyesopen.com>
2903 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
2905 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
2907 2006-02-26 Roger Sayle <roger@eyesopen.com>
2908 James A. Morrison <phython@gcc.gnu.org>
2911 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
2912 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
2913 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
2914 signedness of the shift operation.
2916 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
2918 PR tree-optimization/26359
2919 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
2921 2006-02-25 Roger Sayle <roger@eyesopen.com>
2923 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2924 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
2925 as X == 0, and some symmetry related transformations.
2926 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
2928 2006-02-25 Roger Sayle <roger@eyesopen.com>
2931 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
2932 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
2933 symmetry related transformations. Fold (X^C1) == C2 as
2936 2006-02-25 Juergen Weigert <jw@suse.de>
2937 Richard Guenther <rguenther@suse.de>
2939 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
2941 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
2943 * combine.c (gen_lowpart_or_truncate): Call
2944 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
2946 2006-02-24 Diego Novillo <dnovillo@redhat.com>
2948 * doc/invoke.texi: Move -fopenmp description to "Options for
2950 Remove reference to -lgomp.
2952 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2954 * doc/install.texi: Require GNU tar version 1.14.
2956 2006-02-24 Geoffrey Keating <geoffk@apple.com>
2958 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
2959 * doc/invoke.texi (C++ Dialect Options): Document
2960 -fno-use-cxa-get-exception-ptr.
2961 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
2962 * configure: Regenerate.
2963 * c.opt (fuse-cxa-get-exception-ptr): New.
2964 * c-opts.c (c_common_handle_option): Handle
2965 OPT_fuse_cxa_get_exception_ptr.
2966 * c-common.c (flag_use_cxa_atexit): Update documentation.
2967 (flag_use_cxa_get_exception_ptr): New.
2968 * c-common.h (flag_use_cxa_get_exception_ptr): New.
2969 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
2971 (C_COMMON_OVERRIDE_OPTIONS): New.
2973 2006-02-24 Roger Sayle <roger@eyesopen.com>
2976 * combine.c (try_combine): Explicitly check whether GET_CODE is
2977 a SET or a CLOBBER, instead on checking that it isn't a USE.
2979 2006-02-24 Roger Sayle <roger@eyesopen.com>
2981 * fold-const.c (fold_comparison): New subroutine of fold_binary
2982 containing transformations common to both the equality and
2983 ordering relational operators, factored out of fold_binary.
2984 (fold_binary): Separate out the equality operators (EQ_EXPR
2985 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
2986 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
2987 transformations common to both.
2988 (fold_div_compare): Fix latent bugs in the previously unreachable
2989 LT_EXPR and GE_EXPR cases.
2991 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2993 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
2994 decl libname for clog to __clog on AIX.
2996 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
2998 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3001 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3002 output traceback table for thunks. Localise rs6000_stack_info call.
3004 2006-02-23 Roger Sayle <roger@eyesopen.com>
3005 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3007 * gthr-posix.h (__gthrw): Fix typo in comment.
3009 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3011 * doc/cpp.texi (Character sets): Document that we do support
3012 input files to be in any character set.
3014 2006-02-23 Jeff Law <law@redhat.com>
3016 * tree.h (PHI_ARG_NONZERO): Remove.
3017 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3018 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3019 node to the new node.
3021 PR tree-optimization/26425
3022 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3023 min/max, then assume its varying.
3025 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3027 PR rtl-optimization/26316
3028 * rtlanal.c (enum may_trap_p_flags): New.
3029 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3030 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3031 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3032 (may_trap_after_code_motion_p): New function.
3033 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3034 (find_invariant_insn): Use may_trap_after_code_motion_p.
3035 * rtl.h (may_trap_after_code_motion_p): Declare.
3037 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3039 * emit-rtl.c (immed_double_const): Cleanup.
3041 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3043 Fix PR tree-optimization/26376
3044 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3047 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3050 * gimplify.c (omp_add_variable): Guard variable size decl test with
3051 DECL_SIZE (decl) check.
3053 2006-02-23 Richard Guenther <rguenther@suse.de>
3056 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3057 like aggregate types.
3059 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3061 * configure.ac: Add --with{,out}-long-double-128 configure option.
3062 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3063 * configure: Rebuilt.
3064 * config.in: Rebuilt.
3065 * doc/install.texi (Options specification): Document
3066 --with-long-double-128.
3068 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3069 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3070 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3071 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3073 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3075 * config/s390/s390.c (override_options): Handle
3076 TARGET_DEFAULT_LONG_DOUBLE_128.
3078 * config/alpha/alpha.c (override_options): Handle
3079 TARGET_DEFAULT_LONG_DOUBLE_128.
3081 * config/sparc/sparc.c (sparc_override_options): Handle
3082 TARGET_DEFAULT_LONG_DOUBLE_128.
3084 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3086 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3087 (real-install-headers-tar, real-install-headers-cpio)
3088 (real-install-headers-cp): New targets.
3090 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3092 * tree.h (variable_section): Delete.
3093 * varasm.c (variable_section): Delete.
3095 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3097 * install.texi: Add notes on install.texi2html.
3098 (Building in parallel): Do not use footnotes.
3100 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3103 * doc/install.texi (Configuration): Document --disable-libgomp.
3105 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3107 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3109 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3111 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3112 (vec_extractv2df_0_sse): New.
3114 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3116 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3117 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3118 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3119 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3120 to the result of the expression.
3121 (def_cfa_1): Adjust.
3122 (frame_pointer_cfa_offset): Rename to...
3123 (frame_pointer_fb_offset): ... this. Adjust all uses.
3124 (convert_cfa_to_loc_list): Rename to...
3125 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3126 Pass it on to build_cfa_loc.
3127 (compute_frame_pointer_to_cfa_displacement): Rename to...
3128 (compute_frame_pointer_to_fb_displacement): ... this. New
3129 offset parameter. Use it in computation.
3130 (gen_subprogram_die): Compute cfa_fb_offset with the new
3131 macro, and use it to compute the fb loc list and the
3134 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3136 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3137 replaced with register_operand.
3138 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3139 non-DREG is expensive.
3140 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3141 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3144 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3146 * doc/install.texi2html: Use set -e.
3148 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3150 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3151 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3152 * doc/invoke.texi (-fshared-data): Delete.
3153 * common.opt (fshared-data): Delete.
3154 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3155 (assemble_static_space): Remove #if 0 code.
3156 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3157 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3158 * config/cris/cris.h: Remove FIXME.
3160 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3162 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3165 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3168 * combine.c (simplify_shift_const_1): Disable nested shifts
3169 optimization for vector shifts.
3171 2006-02-20 Roger Sayle <roger@eyesopen.com>
3173 PR tree-optimization/26361
3174 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3175 of unsigned integer types.
3177 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3179 * tree-chrec.c (eq_evolutions_p): New.
3180 * tree-chrec.h (eq_evolutions_p): Declared.
3181 * tree-data-ref.c: Fix formatting.
3182 (datadep_stats, dependence_stats): New.
3184 (print_direction_vector): New.
3185 (dump_data_dependence_relation): Use print_direction_vector.
3186 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3187 (compute_subscript_distance): Static.
3188 (initialize_data_dependence_relation): Static. Get the number
3189 of loops surrounding the references from the callers, and initialize
3190 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3191 base_object_differ_p analyzers.
3192 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3193 compute_overlap_steps_for_affine_1_2,
3194 analyze_subscript_affine_affine): Count the classified dependences.
3195 Print a message when a test failed.
3196 (can_use_analyze_subscript_affine_affine): New.
3197 (analyze_siv_subscript): Compute the data dependences on symbolic
3198 scevs that verify can_use_analyze_subscript_affine_affine.
3199 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3200 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3201 Handle symbolic scevs.
3202 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3204 (subscript_dependence_tester): Moved...
3205 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3206 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3207 DDR_SIZE_VECT instead of getting it in parameter.
3208 (subscript_dependence_tester): ... here. Take as a parameter
3209 loop_nest_depth. Call build_classic_dist_vector and
3210 build_classic_dir_vector.
3211 (compute_affine_dependence): Update subscript_dependence_tester
3212 parameters. Update datadep_stats counters. Call
3213 compute_subscript_distance.
3214 (compute_self_dependence): Save the dist and dir vectors. Call
3215 compute_subscript_distance.
3216 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3217 (compute_all_dependences): Reorder parameters as they were before
3218 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3219 compute_subscript_distance. Update the use of
3220 compute_affine_dependence and initialize_data_dependence_relation.
3221 (find_data_references_in_loop): Handle COMPONENT_REF.
3222 (compute_data_dependences_for_loop): Initialize dependence_stats.
3223 Don't call build_classic_dist_vector and build_classic_dir_vector.
3224 Update the parameters of initialize_data_dependence_relation and
3225 compute_all_dependences. Print the statistics from datadep_stats.
3226 (analyze_all_data_dependences): Static. Not used until the pass for
3227 checking the data dependences is contributed.
3228 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3229 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3230 (initialize_data_dependence_relation, compute_affine_dependence,
3231 analyze_all_data_dependences, compute_subscript_distance): Removed.
3232 (print_direction_vector): New.
3233 * lambda.h (gcd): ... here.
3234 (lambda_vector_gcd): Moved here from gcd_vector.
3235 * lambda-code.c (gcd, gcd_vector): Removed.
3236 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3237 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3239 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3241 * ipa-type-escape.c: Tidy some comments and white space.
3242 * tree-ssa-operands.c: Likewise.
3244 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3247 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3248 (dump_decl_name): Do not walk the decl tree chains.
3249 * tree-pass.h (TDF_CHAIN): Remove.
3251 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3253 * Makefile.in (C): Remove
3255 (.PHONY): Remove C and PROTO
3257 2006-02-20 Roger Sayle <roger@eyesopen.com>
3260 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3261 deprecated CHAR_TYPE tree code.
3263 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3265 * configure.ac (target_list): Add install-info, dvi, html.
3266 * configure: Regenerate.
3268 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3269 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3270 treelang/Make-lang.in: Do not use double-colon rules.
3272 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3274 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3275 (TMT_USED_ALONE): New macro.
3276 * tree-pass.h (PROP_tmt_usage): New property.
3277 (TODO_update_tmt_usage): New todo.
3278 * tree-ssa-alias.c (updating_used_alone): New variable.
3279 (recalculate_used_alone): New function.
3280 (compute_may_aliases): Set updating_used_alone, call
3281 recalculate_used_alone.
3282 * tree-sra.c (pass_sra): Note that this pass destroys
3283 PROP_tmt_usage, and add TODO_update_tmt_usage.
3284 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3285 * tree-flow.h (updating_used_alone): Prototype.
3286 (recalculate_used_alone): Ditto.
3287 * passes.c (execute_todo): Add code to set updating_used_alone,
3288 and call recalculate.
3289 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3290 for clobber if used alone, and add assert to verify used_alone
3293 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3295 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3296 for non tls symbols added.
3297 (legitimize_address): Do nothing for PLUS expressions if one of the
3298 addends is a tls symbol reference.
3300 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3304 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3306 * Makefile.in (BOOTSTRAPPING): New.
3307 (quickstrap): New definition if BOOTSTRAPPING=yes.
3309 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3310 * configure.ac: Substitute all_selected_languages with the languages
3311 that were configured. For all the other variables except
3312 lang_specs_files, include all the languages in the tree.
3313 * configure: Regenerate.
3315 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3316 if there is one. Run the commands to run fixincludes in the same
3319 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
3320 * doc/install.texi: Document exact conventions for searching target tools.
3321 Document --with-build-time-tools. Document toplevel bootstrap. Document
3322 something more about building an Ada cross-compiler. Don't list GNU Make
3323 requirements which affect all platforms.
3325 2006-02-19 Roger Sayle <roger@eyesopen.com>
3328 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
3329 only equivalent if the have both the same mode and precision.
3331 2006-02-20 Ben Elliston <bje@au.ibm.com>
3333 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
3335 2006-02-19 Roger Sayle <roger@eyesopen.com>
3336 Steven Bosscher <stevenb.gcc@gmail.com>
3338 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
3339 constant pool references to identify stack mode constants.
3340 * rtlanal.c (constant_pool_constant_p): New predicate to check
3341 whether operand is a floating point constant in the pool.
3342 * rtl.h (constant_pool_constant_p): Prototype here.
3343 * loop.c (scan_loop): Avoid hoisting constants from the constant
3344 pool on STACK_REGS targets.
3345 (load_mems): Likewise.
3346 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
3347 loads into x87 registers expensive in terms of register pressure.
3349 2006-02-19 Roger Sayle <roger@eyesopen.com>
3351 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
3352 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
3354 2006-02-19 David Edelsohn <edelsohn@gnu.org>
3356 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3357 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
3359 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
3361 * doc/invoke.texi: Document -fipa-pta.
3362 * common.opt: Add ipa-pta option.
3363 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
3364 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
3365 (do_ds_constraint): Ditto.
3366 (get_constraint_for): Only add to referenced_vars if
3367 referenced_vars exists.
3368 (insert_into_field_list): Rewrite to do this unsorted.
3369 (insert_into_field_list_sorted): Rename old insert_into_field_list
3371 (create_function_info_for): Use insert_into_field_list_sorted.
3372 (create_variable_info_for): Rewrite so it uses unsorted version,
3373 since the field list is sorted.
3374 (intra_create_variable_infos): Only add to referenced_vars if
3375 referenced_vars exists.
3376 (ipa_pta_execute): Init heapvars, and delete when done.
3377 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
3379 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3381 * doc/install.texi: Add missing `@samp'.
3383 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3385 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
3388 2006-02-18 Mark Wielaard <mark@klomp.org>
3390 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
3391 who added new 4.1 features, bug fixes and integration support.
3393 2006-02-18 David Edelsohn <edelsohn@gnu.org>
3396 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
3399 2006-02-18 Richard Sandiford <richard@codesourcery.com>
3401 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
3402 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
3403 (copy_insn_1): Likewise. Don't copy each field individually.
3405 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
3407 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
3408 * rtl.c (rtx_size): Rename variable to...
3409 (rtx_code_size): ...this.
3410 (rtx_size): New function.
3411 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
3412 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
3414 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
3415 * rtl.h (rtx_code_size): New variable.
3416 (rtx_size): Change from a variable to a function.
3417 (RTX_SIZE): Rename to...
3418 (RTX_CODE_SIZE): ...this.
3421 PR tree-optimization/17106
3422 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
3423 (Anchored Addresses): New section.
3424 * doc/invoke.texi (-fsection-anchors): Document.
3425 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
3426 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
3427 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
3428 * hooks.c (hook_bool_mode_rtx_false): New function.
3429 * hooks.h (hook_bool_mode_rtx_false): Declare.
3430 * gengtype.c (create_optional_field): New function.
3431 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
3432 SYMBOL_REF_IN_BLOCK_P is true.
3433 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
3434 (min_anchor_offset, max_anchor_offset): Likewise.
3435 (use_anchors_for_symbol_p): New hook.
3436 * toplev.c (compile_file): Call output_object_blocks.
3437 (target_supports_section_anchors_p): New function.
3438 (process_options): Check that -fsection-anchors is only used on
3439 targets that support it and when -funit-at-a-time is in effect.
3440 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
3441 if the decl doesn't have one.
3442 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
3443 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
3444 of force_const_mem through use_anchored_address.
3445 (expand_expr_constant): New function.
3446 (expand_expr_addr_expr_1): Call it. Use the same modifier when
3447 calling expand_expr for INDIRECT_REF.
3448 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
3449 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
3450 * expr.h (use_anchored_address): Declare.
3451 * loop-unroll.c: Don't declare rtx vectors here.
3452 * explow.c: Include output.h.
3453 (validize_mem): Call use_anchored_address.
3454 (use_anchored_address): New function.
3455 * common.opt (-fsection-anchors): New switch.
3456 * varasm.c (object_block_htab, anchor_labelno): New variables.
3457 (hash_section, object_block_entry_eq, object_block_entry_hash)
3458 (use_object_blocks_p, get_block_for_section, create_block_symbol)
3459 (use_blocks_for_decl_p, change_symbol_section): New functions.
3460 (get_variable_section): New function, split out from assemble_variable.
3461 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
3462 use_blocks_for_decl_p say so. Use change_symbol_section if the
3463 symbol has already been created.
3464 (assemble_variable_contents): New function, split out from...
3465 (assemble_variable): ...here. Don't output any code for
3466 block symbols; just pass them to place_block_symbol.
3467 Use get_variable_section and assemble_variable_contents.
3468 (get_constant_alignment, get_constant_section, get_constant_size): New
3469 functions, split from output_constant_def_contents.
3470 (build_constant_desc): Create a block symbol if use_object_blocks_p
3471 says so. Or into SYMBOL_REF_FLAGS.
3472 (assemble_constant_contents): New function, split from...
3473 (output_constant_def_contents): ...here. Don't output any code
3474 for block symbols; just pass them to place_section_symbol.
3475 Use get_constant_section and get_constant_alignment.
3476 (force_const_mem): Create a block symbol if use_object_blocks_p and
3477 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
3478 (output_constant_pool_1): Add an explicit alignment argument.
3479 Don't switch sections here.
3480 (output_constant_pool): Adjust call to output_constant_pool_1.
3481 Switch sections here instead. Don't output anything for block symbols;
3482 just pass them to place_block_symbol.
3483 (init_varasm_once): Initialize object_block_htab.
3484 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
3485 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
3486 (place_block_symbol, get_section_anchor, output_object_block)
3487 (output_object_block_htab, output_object_blocks): New functions.
3488 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
3489 (TARGET_ASM_OUT): Include it.
3490 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
3491 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
3492 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
3493 (TARGET_INITIALIZER): Include them.
3494 * rtl.c (rtl_check_failed_block_symbol): New function.
3495 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
3496 (block_symbol, object_block): New structures.
3497 (rtx_def): Add a block_symbol field to the union.
3498 (BLOCK_SYMBOL_CHECK): New macro.
3499 (rtl_check_failed_block_symbol): Declare.
3500 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
3501 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
3502 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
3503 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
3504 * output.h (output_section_symbols): Declare.
3505 (object_block): Name structure.
3506 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
3507 (default_use_anchors_for_symbol_p): Declare.
3508 * Makefile.in (RTL_BASE_H): Add vec.h.
3509 (explow.o): Depend on output.h.
3510 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
3511 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3512 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3513 (rs6000_use_blocks_for_constant_p): New function.
3515 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3517 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
3519 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3522 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
3525 2006-02-18 Diego Novillo <dnovillo@redhat.com>
3527 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
3531 2006-02-18 Jakub Jelinek <jakub@redhat.com>
3534 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
3535 instead of DECL_REGISTER.
3537 2006-02-18 Olivier Hainque <hainque@adacore.com>
3540 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
3542 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
3545 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
3546 * opth-gen.awk: Handle Var and InverseMask together.
3547 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
3548 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
3549 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
3550 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
3552 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3553 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3554 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
3555 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3556 LINUX_DYNAMIC_LINKER): Define.
3557 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
3558 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
3560 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3561 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
3562 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3563 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3564 (TARGET_C99_FUNCTIONS): Don't define.
3565 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
3566 GLIBC_DYNAMIC_LINKER.
3567 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
3568 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
3569 GLIBC_DYNAMIC_LINKER64): Define.
3570 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3571 LINUX_DYNAMIC_LINKER64.
3572 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3573 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3574 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
3575 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3576 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3577 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3578 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
3579 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
3580 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
3581 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
3582 and LINUX_DYNAMIC_LINKER32.
3583 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3584 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3585 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
3586 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3587 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
3589 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
3590 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
3591 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3592 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3593 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3594 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
3595 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
3596 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
3597 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3598 LINUX_DYNAMIC_LINKER): Define.
3599 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
3600 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
3601 GLIBC_DYNAMIC_LINKER64): Define.
3602 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3603 LINUX_DYNAMIC_LINKER64.
3604 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3605 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3606 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
3607 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3608 LINUX_DYNAMIC_LINKER): Define.
3609 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3610 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3611 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
3612 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
3613 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
3614 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3615 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
3616 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
3617 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3618 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3619 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3620 * doc/invoke.texi (-muclibc): Remove caveat about supported
3623 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3625 * doc/cpp.texi (__TIMESTAMP__): Document.
3627 2006-02-17 Roger Sayle <roger@eyesopen.com>
3630 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
3631 C is one less than the width of X (and related transformations).
3632 * simplify-rtx.c (simplify_unary_operation_1): Transform
3633 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
3634 depending on STORE_FLAG_VALUE, were C is one less then the
3637 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
3639 Fix PR tree-optimization/26341
3640 * tree-ssa-operands.c (add_virtual_operand): Remove assert
3641 about NAME_MEMORY_TAG's.
3643 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3646 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
3647 with hardware float support, and software float support. Add fcpy
3648 alternative to hardware patterns. Add alternatives to copy between
3649 general and floating-point registers to the 32-bit pattern.
3650 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
3651 secondary reload to load a QI or HI mode constant into a floating
3653 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
3654 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
3656 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
3659 * config/rs6000/darwin.md (load_macho_picbase_si): Add
3661 (load_macho_picbase_di): Likewise.
3663 2006-02-16 Jeff Law <law@redhat.com>
3665 * tree-vrp.c (set_value_range_to_nonnegative): New function.
3666 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
3667 (ssa_name_nonzero_p): Likewise.
3668 (get_value_range): Return NULL if VRP is not running.
3669 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
3670 VRP routines do not discover a range.
3671 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
3672 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
3673 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
3674 (tree_expr_nonnegative_p): Similarly.
3675 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
3676 (restore_nonzero_vars_to_original_value): Remove.
3677 (unsafe_associative_fp_binop): Remove.
3678 (tree_ssa_dominator_optimize): Remove initialization and
3679 finalization of nonzero_vars and nonzero_vars_stack.
3680 (dom_opt_initialize_block): No longer push marker on
3682 (dom_opt_finalize_block): No longer call
3683 restore_nonzero_vars_to_original_value.
3684 (record_equivalences_from_phis): No longer look for
3685 nonzero PHI arguments.
3686 (cprop_into_successor_phis): No longer propagate nonzero
3687 property into PHI arguments. Lose unused argument. Caller
3689 (record_equivalences_from_stmt): No longer record nonzero
3690 values for SSA_NAMEs.
3691 (lookup_avail_expr): No longer use nonzero_vars.
3693 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
3694 for sizetype when sizetype is unsigned.
3696 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
3698 PR rtl-optimization/25603
3699 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
3700 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
3701 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
3702 with new meaning of SETS.
3704 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
3709 * config/linux.opt: New file.
3710 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3711 LINUX_DYNAMIC_LINKER): Define.
3712 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
3713 * config.gcc (*-*-linux*): Define extra_options.
3714 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
3715 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
3716 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
3717 GLIBC_DYNAMIC_LINKER.
3718 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
3719 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3720 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3721 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3722 * doc/invoke.texi (GNU/Linux Options): New section.
3724 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3726 * config/sparc/sparc.md (setjmp): Rewrite.
3727 (setjmp_32): Delete.
3728 (setjmp_64): Likewise.
3730 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
3732 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
3735 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3737 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
3740 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3742 PR rtl-optimization/26296
3743 * Makefile.in (loop-invariant.c): Add except.h dependency.
3744 * loop-invariant.c: Include except.h.
3745 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
3747 2005-02-16 Paul Brook <paul@codesourcery.com>
3749 * reload1.c (emit_reload_insns): Invalidate dead input registers used
3752 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
3754 PR rtl-optimization/25636
3755 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
3756 when deciding whether an insn is an initializing insn.
3758 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
3760 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
3761 (tree_code_size): Ditto.
3762 * tree.h (struct tree_memory_tag): Remove parent_var.
3763 (struct tree_struct_field_tag): New.
3766 (union tree_node): Add sft member.
3767 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
3769 (create_sft): Add size and offset argument, set SFT_OFFSET and
3771 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
3772 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
3773 * tree-flow-inline.h (get_subvar_at): Update for
3774 SFT_OFFSET/SFT_SIZE.
3775 (var_can_have_subvars): Ditto.
3776 (overlap_subvar): Ditto.
3777 * print-tree.c (print_node): Print out interesting things for
3779 * tree-flow.h (struct subvar): Remove offset and size members.
3780 * tree-ssa-operands.c (get_expr_operands): Update for
3781 get_indirect_ref_operands changes.
3782 (get_indirect_ref_operands): Call add_virtual_operand instead of
3783 add_stmt_operand. Only recurse on base var if requested.
3784 (access_can_touch_variable): New function.
3785 (add_stmt_operand): Split virtual operand handling into ...
3786 (add_virtual_operand): Here. Add offset, size, and for_clobber
3787 arguments. Prune alias sets.
3788 (add_call_clobber_ops): Call add_virtual_operand.
3790 2006-02-15 Jakub Jelinek <jakub@redhat.com>
3793 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
3795 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
3796 than TREE_CODE as index into omp_clause_num_ops array.
3798 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
3800 PR rtl-optimization/26184
3801 * modulo-sched.c (generate_reg_moves): Free bitmap vector
3803 * modulo-sched.c (sms_schedule): Free g_arr pointer.
3804 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
3805 must_precede, must_follow and tobe_scheduled.
3808 * opts.c (common_handle_option): Free new_option pointer.
3809 * df-core.c (df_analyze): Free postorder pointer.
3811 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3813 * Makefile.in: Fix the examples about the use of stamps
3815 2006-02-15 Michael Matz <matz@suse.de>
3819 * stor-layout.c (layout_decl): Zero-width bitfields aren't
3820 influenced by maximum_field_alignment or DECL_PACKED.
3821 (update_alignment_for_field): Ditto.
3822 (place_field): Ditto.
3823 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
3826 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
3828 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
3829 (debug_flow_info): Pass it.
3830 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
3831 * bb-reorder.c (reorder_basic_blocks): Likewise.
3832 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
3833 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
3834 * flow.c (life_analysis, recompute_reg_usage): Likewise.
3835 * gcse.c (gcse_main, bypass_jumps): Likewise.
3836 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
3837 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
3838 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
3839 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
3840 * rtl.h (dump_flow_info): Adjust prototype.
3841 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
3842 * var-tracking.c (variable_tracking_main): Likewise.
3843 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
3844 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
3847 2006-02-15 Marcin Dalecki <martin@dalecki.de>
3849 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
3852 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3854 PR tree-optimization/26209
3855 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
3856 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
3858 * tree-cfg.c (replace_uses_by): Do not alter cfg.
3860 2006-02-14 Roger Sayle <roger@eyesopen.com>
3863 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
3864 (X,Y) and the corresponding symmetry related transformations.
3865 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
3866 (X,Y) and its symmetry related transformations.
3868 2006-02-14 Roger Sayle <roger@eyesopen.com>
3870 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
3873 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
3875 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
3877 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3880 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
3881 support COMDAT group.
3882 * configure: Regenerate.
3884 2006-02-14 Roger Sayle <roger@eyesopen.com>
3889 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
3891 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
3893 Fix PR tree-optimization/26260
3895 * doc/invoke.texi (max-fields-for-field-sensitive): Document
3897 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
3898 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
3899 * tree-ssa-structalias.c (create_variable_info_for): Use
3900 MAX_FIELDS_FOR_FIELD_SENSITIVE.
3902 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3904 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
3906 * tree-ssa-loop-niter.c (number_of_iterations_ne,
3907 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
3908 of the ending condition.
3909 * tree-ssa-loop-manip.c: Include params.h.
3910 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
3911 tree_unroll_loop): New functions.
3912 * tree-pass.h (pass_loop_prefetch): Declare.
3913 * loop.c (rest_of_handle_loop_optimize): Test for
3914 -fprefetch-loop-arrays-rtl.
3915 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
3916 * timevar.def (TV_TREE_PREFETCH): New timevar.
3917 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
3918 pass_loop_prefetch): New.
3919 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
3920 (cleanup_tree_cfg_loop): Call scev_reset.
3921 * common.opt (fprefetch-loop-arrays-rtl): Add.
3922 * tree-ssa-loop-prefetch.c: New file.
3923 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
3924 (new_temp_expr_table): Initialize expr_vars.
3925 (free_temp_expr_table): Cleanup expr_vars.
3926 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
3927 expressions from being merged into one.
3928 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
3929 (struct tree_niter_desc): Add control, bound and cmp fields.
3930 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
3932 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
3933 (tree-cfgcleanup.o): Add SCEV_H dependency.
3934 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
3935 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
3937 2006-02-14 Richard Guenther <rguenther@suse.de>
3939 PR tree-optimization/26258
3940 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
3941 in PHI argument processing.
3943 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
3945 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
3946 new expression in the requested machine mode.
3948 2006-02-13 Roger Sayle <roger@eyesopen.com>
3950 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
3951 directly, instead let do_compare_rtx_and_jump handle this for us.
3952 * expr.c (expand_expr_real_1): Likewise.
3953 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
3954 before do_jump_by_parts_greater.
3955 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
3956 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
3958 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3960 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
3962 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3964 PR rtl-optimization/26235
3965 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
3966 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
3969 2006-02-13 Jeff Law <law@redhat.com>
3971 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
3974 2006-02-13 Jakub Jelinek <jakub@redhat.com>
3977 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
3978 twice if decl is a builtin. When trying again, call get_callee_fndecl
3979 first to verify it is still a builtin.
3981 2006-02-13 Geoffrey Keating <geoffk@apple.com>
3983 * dwarf2out.c (base_type_die): Don't add AT_name here.
3984 (subrange_type_die): Don't add AT_name here.
3985 (modified_type_die): Rearrange code flow. Do add AT_name here.
3987 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3989 PR rtl-optimization/26247
3990 PR rtl-optimization/26248
3991 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
3993 2006-02-13 Richard Sandiford <richard@codesourcery.com>
3995 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
3996 * config/fixtfdi.c: Likewise.
3997 * config/fixunstfdi.c: Likewise.
3998 * config/floatditf.c: Likewise.
4000 2006-02-13 Roger Sayle <roger@eyesopen.com>
4003 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4004 into (X,C2) if C1 is a subset of the bits of C2. Transform
4005 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4007 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4009 2006-02-13 Josh Conner <jconner@apple.com>
4012 * varasm.c (function_section): Check for section name before
4013 calling select_section on targets that define
4014 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4015 unlikely_text_section instead of hot_function_section if
4016 first_function_block_is_cold.
4018 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4021 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4023 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4025 PR rtl-optimization/26222
4026 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4027 after tree->rtl expansion.
4028 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4029 before passing it to emit_move_insn.
4031 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4033 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4035 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4036 Clarify documentation.
4037 * c-common.h (warn_write_strings): Remove.
4038 * c-common.c (warn_write_strings): Likewise.
4039 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4042 2006-02-12 Roger Sayle <roger@eyesopen.com>
4045 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4046 (do_jump_parts_zero_rtx): New function renamed from
4047 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4048 (do_jump_parts_equality_rtx): New function split out from
4049 do_jump_parts_equality. Old implementation renamed as above.
4050 Call do_jump_parts_zero_rtx if either operand is zero.
4051 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4052 do all of the heavy lifting.
4053 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4054 calling either do_jump_by_parts_greater_rtx or
4055 do_jump_by_parts_equality_rtx.
4056 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4057 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4058 moved to do_compare_rtx_and_jump, call it directly.
4059 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4060 mode argument. Call do_compare_rtx_and_jump.
4061 (emit_case_nodes): Update calls to do_jump_if_equal.
4063 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4065 PR rtl-optimization/26225
4066 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4068 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4070 PR rtl-optimization/26232
4071 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4073 2006-02-11 Jason Merrill <jason@redhat.com>
4076 * tree-inline.c (declare_return_variable): Just don't use the
4077 modify target if it's a gimple complex reg and the return slot
4080 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4082 * doc/contrib.texi: Update my entry.
4084 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4086 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4088 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4090 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4093 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4095 * doc/invoke.texi (-floop-optimize2): Removed.
4096 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4097 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4098 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4099 * common.opt (floop-optimize2): Removed.
4100 (fmove-loop-invariants): Enabled by default.
4102 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4104 * tree-if-conv.c (combine_blocks): Free the result of
4105 get_loop_exit_edges.
4107 2006-02-10 Jeff Law <law@redhat.com>
4109 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4111 PR tree-optimization/26213
4112 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4113 loop trying to follow SSA_NAME_VALUE chains.
4115 2006-02-10 Richard Guenther <rguenther@suse.de>
4117 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4118 deal with structures that end in implicitly variable sized arrays.
4120 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4122 PR rtl-optimization/24762
4123 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4126 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4128 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4129 (struct ivopts_data): Add regs_used field.
4130 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4131 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4132 instead of loop_data->regs_used;
4133 (free_loop_data): Do not free aux fields for loops.
4134 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4135 and tree_ssa_iv_optimize_finalize.
4137 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4139 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4141 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4144 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4145 computing the effective result type.
4147 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4150 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4151 (tree_overlaps_hard_reg_set): Declare.
4152 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4153 type and signature to match function type expected by walk_tree.
4154 (tree_overlaps_hard_reg_set): New function.
4155 (decl_conflicts_with_clobbers_p): Rename to:
4156 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4157 Use tree_overlaps_hard_reg_set. Changed caller.
4158 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4159 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4160 * cris.c (cris_md_asm_clobbers): Likewise.
4162 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4164 * reload1.c (emit_input_reload_insns): Delete code that tries to
4165 inherit using find_equiv_reg.
4167 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4169 * c-common.h (flag_const_strings): Don't declare.
4170 * c-common.c (flag_const_strings): Remove.
4171 * c.opt (fconst_strings): Remove.
4172 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4173 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4174 (c_common_init_options): Don't set flag_const_strings.
4175 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4177 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4179 * arm.md (tlobits_cbranch): New pattern.
4180 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4181 testing a single bit.
4183 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4186 * tree-ssa-pre.c (create_component_ref_by_pieces):
4187 Handle RETURN_DECL like VAR_DECL.
4189 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4192 * fold-const.c (fold_indirect_ref_1): Fold
4193 "*(foo *)&complexfoo" to "__real__ complexfoo"
4194 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4196 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4198 * tree-flow-inline.h (var_can_have_subvars):
4199 Volatile variables should not have subvariables.
4201 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4204 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4205 multiplying unsigned values.
4208 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4210 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4212 2006-02-08 Jason Merrill <jason@redhat.com>
4215 * tree.def: Elaborate on difference from MODIFY_EXPR.
4216 * doc/c-tree.texi (INIT_EXPR): Likewise.
4217 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4218 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4219 (gimplify_target_expr): Likewise.
4220 (gimplify_cond_expr): Remove target handling.
4221 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4222 (gimplify_expr): Clobber it here.
4223 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4224 Do return slot optimization if we have an INIT_EXPR.
4227 * tree-inline.c (declare_return_variable): Also clear
4228 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4231 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4234 * gimplify.c (gimplify_one_sizepos): Fix typo.
4236 2006-02-08 Jeff Law <law@redhat.com>
4238 PR tree-optimization/21417
4239 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4240 across a backedge if the control statement at the end of the
4241 block is data dependent on other statements in the same block.
4242 (record_temporary_equivalences_from_stmts): Remove over-conservative
4243 test for threading across backedges.
4245 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4246 control statement, handle all three special cases in the same
4247 manner as they all have the same desired solution. No longer
4248 special case edge flag updating when the post dominator is
4251 2006-02-08 Roger Sayle <roger@eyesopen.com>
4253 * tree.def (CHAR_TYPE): Remove.
4254 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4255 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4256 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4257 (gen_string_type_die): Delete unreachable function.
4259 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4260 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4261 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4262 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4263 * builtins.c (type_to_class): Likewise.
4264 * fold-const.c (fold_convert, build_range_check,
4265 merge_ranges): Likewise.
4266 * expr.c (count_type_elements): Likewise.
4267 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4268 * stor-layout.c (layout_type): Likewise.
4269 * ipa-type-escape.c (type_to_consider): Likewise.
4270 * gimplify.c (omp_firstprivatize_type_sizes,
4271 gimplify_type_sizes): Likewise.
4272 * explow.c (promote_mode): Likewise.
4273 * tree-sra.c (is_sra_scalar_type): Likewise.
4274 * varasm.c (output_constant): Likewise.
4275 * tree-inline.c (remap_type_1): Likewise.
4276 * convert.c (convert_to_pointer, convert_to_real,
4277 convert_to_integer, convert_to_complex): Likewise.
4279 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4281 * df-scan.c (df_def_record_1): A set destination may
4282 be a parallel regardless of mode.
4284 2006-02-08 Roger Sayle <roger@eyesopen.com>
4287 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4288 * config/mips/_tilib.c: Remove.
4289 * config/fixtfdi.c: New libgcc source file.
4290 * config/fixunstfdi.c: New source file.
4291 * config/floatditf.c: New source file.
4292 * config/floatunditf.c: New souce file.
4293 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4294 files above instead of config/mips/_tilib.c.
4295 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4297 2006-02-08 Jeff Law <law@redhat.com>
4299 PR tree-optimization/26169
4300 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4303 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4305 * df.h (DF_REG_SIZE): Return the length of the initialized
4308 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4310 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4311 __muldf3): Return a correctly signed zero.
4313 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4315 * passes.c (register_one_dump_file): Accept the current properties
4316 instead of pass number. Adjust call to dump_register. Remove
4318 (register_dump_files): Now a wrapper around...
4319 (register_dump_files_1): ... this one. Do not modify the pass
4321 (next_pass_1): Cosmetic fix.
4322 (execute_todo): Keep second parameter only. Use curr_properties
4323 instead of fetching it from the pass structure. Check and set
4325 (execute_one_pass): Handle TODO_set_props. Use curr_properties
4326 instead of fetching it from the pass structure. Fix calls to
4327 execute_todo. Update curr_properties and initialize .vcg RTL dump
4328 after running the pass. Reset last_verified.
4329 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
4331 (FIRST_AUTO_NUMBERED_DUMP): New.
4332 (dump_register): Remove "num" parameter, assign it within the
4334 (get_dump_file_name): Modify template for dumps.
4335 * tree-dump.h (dump_register): Adjust prototype.
4336 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
4337 (PROP_trees): Add PROP_gimple_lomp.
4338 (TODO_set_props): New.
4339 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
4340 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
4341 * cfgexpand.c (pass_expand): Destroy PROP_trees.
4343 2006-02-08 Jakub Jelinek <jakub@redhat.com>
4345 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
4346 (sparc64-*-linux*): Likewise.
4347 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
4348 * config/sparc/t-linux: New file.
4349 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
4350 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
4351 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
4352 -m32 -mlong-double-128.
4354 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
4355 * config/alpha/t-linux: New file.
4356 * config/alpha/libgcc-alpha-ldbl.ver: New file.
4358 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
4359 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
4360 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
4361 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
4362 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
4363 (CPP_ARCH32_SPEC): Remove.
4365 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
4367 PR tree-optimization/26145
4368 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
4371 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4374 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
4375 >= 240000 when generating code for SOM runtime.
4376 (output_indirect_call): Don't use "b,l" instruction for indirect calls
4377 to $$dyncall when generating code for SOM runtime..
4379 2006-02-07 Dirk Mueller <dmueller@suse.com>
4382 * doc/invoke.texi (-Wsequence-point): Update documentation
4383 that -Wsequence-point is implemented for C++ as well.
4385 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4387 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
4388 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
4389 (LIB_SPEC): Likewise.
4390 * doc/invoke.texi (SPARC options): Document -pthread.
4392 2006-02-07 Geoffrey Keating <geoffk@apple.com>
4394 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
4397 2006-02-07 Roger Sayle <roger@eyesopen.com>
4399 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
4400 Correct comment describing BOOLEAN_TYPE.
4402 2006-02-07 Dirk Mueller <dmueller@suse.com>
4404 * c.opt: C++ frontend supports -Wdiv-by-zero.
4405 * c-opts.c (c_common_handle_option): Remove dead case.
4407 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4409 * configure.ac (TLS assembler check): Do not enable TLS by
4410 default on SPARC/Solaris before version 10.
4411 * configure: Regenerate.
4413 2006-02-07 David Edelsohn <edelsohn@gnu.org>
4415 * doc/invoke.texi (xl-compat): Document conversion and support
4418 2006-02-07 Jeff Law <law@redhat.com>
4420 * tree-vrp.c (find_conditional_asserts): Update comments.
4421 (simplify_stmt_for_jump_threading): New.
4422 (identify_jump_threads, finalize_jump_threads): New.
4423 (vrp_finalize): Call identify_jump_threads.
4424 (execute_vrp): Call finalize_jump_threads.
4425 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
4426 (vrp_element, vrp_data, vrp_element_p): Remove.
4427 (vrp_hash_elt, vrp_variables_stack): Remove.
4428 (vrp_hash, vrp_eq, record_range): Remove.
4429 (simplify_cond_and_lookup_avail_expr): Remove.
4430 (extract_range_from_cond): Remove.
4431 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
4432 (simplify_stmt_for_jump_threading): New.
4433 (dom_thread_across_edge): New wrapper.
4434 (tree_ssa_dominator_optimize): No longer initialize or
4435 finalize any of the VRP datastructures. Remove iteration
4436 step and simplify as a result of removal of iteration step.
4437 (pass_dominator): Perform a cfg cleanup after DOM.
4438 (dom_opt_finalize_block): Use the new common routines
4439 for threading jumps. Simplify stack management slightly.
4440 No longer need to unwind VRP state.
4441 (record_equivalences_from_incoming_edge): No longer record
4443 (eliminate_redundant_computations): No longer call
4444 simplify_cond_and_lookup_avail_expr.
4445 * tree-flow.h (potentially_threadable_block): Prototype.
4446 (thread_across_edge): Likewise.
4447 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
4448 (tree-ssa-threadedge.o): Add dependencies.
4449 * tree-ssa-threadedge.c: New file.
4450 * passes.c (init_optimization_passes): Merge PHIs before
4451 calling VRP. Run VRP again late in the SSA optimization pipeline.
4453 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4455 * df-core.c (df_set_blocks): Do not dereference function pointers.
4456 (df_finish1): Likewise.
4457 (df_hybrid_search_forward): Likewise.
4458 (df_hybrid_search_backward): Likewise.
4459 (df_iterative_dataflow): Likewise.
4460 (df_analyze_problem): Likewise.
4461 (df_compact_blocks): Likewise.
4462 (df_dump): Likewise.
4463 * df-scan.c (df_rescan_blocks): Likewise.
4464 (df_record_entry_block_defs): Likewise.
4466 * genconditions.c (write_conditions): Guard the definition of
4467 'insn_conditions' with the check on GCC version.
4468 (write_writer): Guard the traversal 'insn_conditions' with
4469 the check on GCC version.
4471 2006-02-07 Richard Guenther <rguenther@suse.de>
4475 2006-01-30 Richard Guenther <rguenther@suse.de>
4477 * gimplify.c (gimplify_target_expr): Handle easy cases
4478 without creating a temporary.
4480 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
4482 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
4483 use of float in probability computations. Use edge probabilities
4484 in place of statically computed probabilities.
4485 (min_spec_prob): New static variable.
4486 (schedule_insns): Initialize it.
4487 (GET_SRC_PROB): Removed.
4488 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
4490 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
4493 * config/ia64/unwind-ia64.c: Revert last change.
4494 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
4495 (INCOMING_FRAME_SP_OFFSET): Define.
4497 2006-02-06 Roger Sayle <roger@eyesopen.com>
4499 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
4501 2006-02-07 Ben Elliston <bje@au.ibm.com>
4503 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
4504 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
4505 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
4506 (ix86_return_in_memory): Handle TDmode.
4507 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
4508 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
4510 2006-02-06 Richard Sandiford <richard@codesourcery.com>
4512 * reorg.c (dbr_schedule): Use dump_file instead of file.
4514 2006-02-06 Steve Ellcey <sje@cup.hp.com>
4517 * config/ia64/predicates.md (extr_len_operand): New predicate.
4518 * config/ia64/ia64.md (extv): Tighten constraints.
4520 (*tbit_and_2): Ditto.
4521 (*tbit_and_3): Ditto.
4522 (*tbit_or_2): Ditto.
4523 (*tbit_or_3): Ditto.
4527 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
4530 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
4532 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4534 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
4535 loop_optimizer_init and loop_optimizer_finalize
4536 * tree-ssa-sink.c (execute_sink_code): Ditto.
4537 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4538 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
4539 tree_ssa_loop_done): Ditto.
4540 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
4541 * sched-ebb.c: Include output.h.
4542 (schedule_ebbs): Do not use dump argument.
4543 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
4544 * loop.c (loop_dump_stream): Removed.
4545 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
4547 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
4548 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
4549 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
4550 loop_iterations, strength_reduce, record_biv, record_giv,
4551 final_giv_value, check_final_value, check_ext_dependent_givs,
4552 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
4553 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
4554 dump_file instead of loop_dump_stream.
4555 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
4557 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
4559 * flow.c (life_analysis, rest_of_handle_life): Ditto.
4560 * haifa-sched.c: Include output.h
4561 (schedule_insns, sched_init): Do not use dump argument.
4562 * mode-switching.c (optimize_mode_switching): Ditto.
4563 * modulo-sched.c (stats_file): Removed.
4564 (print_node_sched_params): Do not call argument dump_file.
4565 (sms_schedule_by_order, loop_canon_p, sms_schedule,
4566 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
4568 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
4570 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
4571 rtl_loop_init, rtl_loop_done): Ditto.
4572 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
4573 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
4575 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
4576 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
4577 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
4578 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
4579 * emit-rtl.c (renumber_insns): Ditto.
4580 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
4581 expand_gimple_basic_block, tree_expand_cfg): Ditto.
4582 * regclass.c (regclass): Ditto.
4583 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
4584 remove_ssa_form, rewrite_out_of_ssa): Ditto.
4585 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
4586 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
4588 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
4589 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
4591 * gcse.c (gcse_file, debug_stderr): Removed.
4592 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
4593 rest_of_handle_gcse): Do not use dump argument.
4594 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
4595 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
4596 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
4597 compute_code_hoist_vbeinout, compute_code_hoist_data,
4598 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
4599 compute_store_table, build_store_vectors, insert_insn_start_bb,
4600 insert_store, remove_reachable_equiv_notes, replace_store_insn,
4601 store_motion): Use dump_file instead of gcse_file.
4602 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
4603 * profile.c (profile_dump_file): Removed.
4604 (branch_prob): Use dump_file instead of profile_dump_file.
4605 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
4607 * tree-ssa-copy.c (dump_copy_of): Ditto.
4608 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
4609 dump file to life_analysis.
4610 * bt-load.c (branch_target_load_optimize): Ditto.
4611 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
4613 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
4614 regclass, dbr_schedule): Declaration changed.
4615 * sched-int.h (sched_init): Declaration changed.
4616 * tree-profile.c (tree_profile_dump_file): Removed.
4617 (tree_profile_hooks): Removed profile_dump_file hook.
4618 * rtl-profile (rtl_profile_dump_file): Removed.
4619 (rtl_profile_hooks): emoved profile_dump_file hook.
4620 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
4622 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
4623 * tree-cfg.c (build_tree_cfg): Ditto.
4624 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
4625 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
4626 Declaration changed.
4627 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
4628 life_analysis and schedule_insns.
4629 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
4631 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
4633 * config/mips/mips.c (mips_reorg): Ditto.
4634 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
4637 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
4639 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4640 (s390_mangle_fundamental_type): New.
4641 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4644 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4645 (alpha_mangle_fundamental_type): New.
4646 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4649 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4651 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4653 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4654 (sparc_mangle_fundamental_type): New.
4656 2006-02-06 Jakub Jelinek <jakub@redhat.com>
4658 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
4659 (s390x-*-linux*): Likewise.
4660 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
4661 * config/s390/t-linux: New file.
4663 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4665 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
4666 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
4668 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
4670 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
4671 (ANTIC_SAFE_LOADS): New macro.
4672 (find_or_generate_expression): Add prototype.
4673 (set_contains_value): Allow null set for sake of not always having
4674 to allocate ANTIC_SAFE_LOADS.
4675 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
4676 Allow COMPONENT_REF too.
4677 (valid_in_set): Allow COMPONENT_REF.
4678 Check ANTIC_SAFE_LOADS too.
4679 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
4680 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
4682 (can_PRE_operation): Add COMPONENT_REF.
4683 (create_component_ref_by_pieces): New function.
4684 (create_expression_by_pieces): Use create_component_ref_by_pieces.
4685 (insert_aux): Move AGGREGATE_TYPE_P check here.
4686 (compute_avail): Set bb local stmt uids.
4687 (pass_pre): Use TODO_update_ssa_only_virtuals.
4689 2006-02-06 Ben Elliston <bje@au.ibm.com>
4691 * configure.ac: Unconditionally disable decimal float by default.
4692 * configure: Regenerate.
4694 2006-02-06 Ben Elliston <bje@au.ibm.com>
4696 * read-rtl.c (read_name): Terminate reading on EOF.
4698 2006-02-06 Ben Elliston <bje@au.ibm.com>
4700 * dfp.c (decimal_real_arithmetic): Change second argument type
4701 from int to enum tree_code. Do not always return true, but now
4702 return result of any call to decimal_do helper functions.
4703 * dfp.h (decimal_real_arithmetic): Update prototype.
4705 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
4707 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
4709 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
4712 * tree-cfg.c (cleanup_dead_labels): Also don't remove
4715 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4717 * tree-vrp.c (cfg_loops): Removed.
4718 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
4719 Use current_loops instead of cfg_loops. Pass flags to
4720 loop_optimizer_init.
4721 * cfgloopmanip.c (fix_loop_structure): Update only available
4723 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
4724 loop_optimizer_init.
4725 * modulo-sched.c (build_loops_structure): Removed.
4726 (sms_schedule): Use loop_optimizer_init.
4727 * loop-init.c (loop_optimizer_init): Use flags to determine
4728 which properties of loops to prepare.
4729 (rtl_loop_init): Pass flags to loop_optimizer_init.
4730 * tree-ssa-sink.c (execute_sink_code): Ditto.
4731 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
4732 * tree-ssa-pre.c (init_pre): Ditto.
4733 * cfgloop.h (LOOPS_NORMAL): New.
4734 (loop_optimizer_init): Declaration changed.
4736 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4738 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
4739 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
4741 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
4743 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
4745 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
4746 * pa/t-pa64: Delete quadlib.c rule.
4747 * pa/x-ada: Revert last change.
4748 * pa/t-pa: Revert last change. Delete quadlib.c rule.
4750 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4752 PR rtl-optimization/26087
4753 * rtlanal.c (canonicalize_condition): Do not cross basic block
4756 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
4759 * config/ia64/ia64.c: Include debug.h.
4760 (MAX_ARTIFICIAL_LABEL_BYTES): New.
4761 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
4762 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
4763 (process_epilogue, process_set, process_for_unwind_directive):
4764 Output unwind info only if requested. Add CFA info if requested.
4765 Add new arguments as needed. Adjust callers.
4766 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
4768 (DWARF2_FRAME_INFO): Define to zero.
4769 * config/ia64/unwind-ia64.c: Remove code that compensated for
4770 the CFA offset error fixed above.
4771 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
4772 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
4773 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
4774 -funwind-tables and -fexceptions to enable frame info.
4775 (dwarf2out_frame_init): Define initial CFA even if
4776 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
4777 DWARF2_UNWIND_INFO is nonzero, not just defined.
4778 (dwarf2out_frame_finish): Output non-EH call frame info only
4779 if DWARF2_FRAME_INFO is nonzero.
4780 (convert_cfa_to_loc_list,
4781 compute_frame_pointer_to_cfa_displacement): Define even if
4782 unwind info is not supported.
4783 (gen_subprogram_die): Use the above unconditionally. Remove
4784 legacy alternate code.
4785 * toplev.c (compile_file): Compile in call to
4786 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
4787 (lang_dependent_init): Ditto for dwarf2out_frame_init.
4789 2006-02-04 David Edelsohn <edelsohn@gnu.org>
4790 Jakub Jelinek <jakub@redhat.com>
4792 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
4793 IBM extended float format long double as "g" on powerpc*-linux.
4795 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4798 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
4799 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
4801 2006-02-03 Jason Merrill <jason@redhat.com>
4804 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
4807 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
4808 on the return slot if it's an NRV.
4810 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
4812 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
4813 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
4814 rewrite_use): Do not handle USE_OUTER.
4815 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
4816 add_iv_outer_candidates, may_replace_final_value,
4817 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
4818 (find_interesting_uses_op): Functionality of
4819 find_interesting_uses_outer_or_nonlin moved here.
4820 (find_interesting_uses_outside): Use find_interesting_uses_op.
4822 2006-02-03 Alan Modra <amodra@bigpond.net.au>
4825 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
4827 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
4828 Ulrich Weigand <uweigand@de.ibm.com>
4831 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
4832 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
4833 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
4834 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
4836 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
4837 (s390_rtx_costs): Use the new fields to calculate rtx costs.
4838 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
4839 Define secondary reloads for TFmode moves.
4840 (constant_modes): Add TFmode.
4841 (NR_C_MODES): Set to 8.
4842 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
4844 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
4845 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
4846 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
4847 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
4848 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
4849 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
4850 (FPR mode macro): Add TFmode.
4851 (DSF mode macro): New.
4852 (<de>, <dee> mode attributes): Removed.
4853 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
4854 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
4855 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
4856 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
4857 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
4858 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
4859 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
4860 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
4861 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
4862 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
4863 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
4864 "*negabs<mode>2", "sqrt<mode>2"):
4865 Changed <de> to <xde>. R constraint replaced by <Rf>.
4866 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
4868 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
4869 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
4870 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
4872 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
4873 "extenddftf2", "extendsftf2"): New expanders.
4874 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
4875 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
4876 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
4877 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
4879 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
4880 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
4881 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
4882 __floatditf): Add a GCC_4.1.0 symbol version tag.
4883 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
4886 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
4889 * config/i386/i386.c (ix86_function_ok_for_sibcall):
4890 Use targetm.binds_local_p instead of TREE_PUBLIC.
4892 2006-02-02 Roger Sayle <roger@eyesopen.com>
4894 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
4895 on INTEGER_TYPEs to indicate that it denotes a character type.
4896 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
4897 signed_char_type_node, unsigned_char_type_node and char_type_node.
4898 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
4899 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
4900 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
4902 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
4903 Daniel Berlin <dberlin@dberlin.org>
4905 * tree-tailcall.c (arg_needs_copy_p): New function.
4906 (eliminate_tail_call): Use arg_needs_copy_p.
4907 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
4908 (add_virtual_phis): New function.
4910 2006-02-02 Jakub Jelinek <jakub@redhat.com>
4912 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
4913 #ignore instead of #scratch for %g7 .register directive.
4915 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
4917 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
4920 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4922 * flow.c (calculate_global_regs_live): Assert that there aren't any
4925 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
4927 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
4929 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
4930 bsi_after_labels iterator.
4931 * tree-if-conv.c (find_phi_replacement_condition,
4932 replace_phi_with_cond_modify_expr): Likewise.
4933 * tree-scalar-evolution.c (scev_const_prop): Likewise.
4934 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
4936 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4938 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
4940 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4943 * tree-cfg.c (move_block_to_fn): Clear out the basic block
4944 array after growing it.
4946 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4949 * fold-const.c (fold_checksum_tree): Change type of buf.
4951 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
4953 * reload.c (push_secondary_reload): Initialize t_icode.
4955 2006-02-01 Jakub Jelinek <jakub@redhat.com>
4957 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
4958 -msoft-float -mlong-double-128 only issue a warning, but don't
4959 swich to DFmode long double.
4961 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
4963 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
4964 has a constant equivalent, iterate over equivalents for arg0,
4965 calling simplify_relational_operation and if there's a result
4966 cheaper than X, apply fold_rtx and return the result.
4968 2006-02-01 Jan Hubicka <jh@suse.cz>
4970 * opts.c (no_unit_at_a_time_default): New global variable.
4971 (decode_options): Use it.
4972 * opts.h (no_unit_at_a_time_default): Declare.
4974 2006-02-01 Paul Brook <paul@codesourcery.com>
4976 * function.c (assign_parm_setup_reg): Use function argument promotion
4978 * expr.c (expand_expr_real_1): Use function argument promotion rules
4981 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4983 * gcc.c (process_command): Change j to 'unsigned int'.
4985 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4988 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
4989 Use the corrected index for the character
4990 out of the string constant.
4992 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4994 * mode-switching.c (optimize_mode_switching): Fix size
4995 allocated for bb_info[n_entities].
4997 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4999 * gcc.c (main): Correct type that is allocated for
5000 explicit_link_files.
5002 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5004 * config/s390/s390.c (init_alignment_context): Set
5005 ALIAS_SET_MEMORY_BARRIER on the MEM.
5006 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5008 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5011 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5013 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5016 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5018 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5019 * regrename.c: Ditto.
5020 * tree-ssa-loop-im.c: Ditto.
5021 * tree-dump.c: Ditto.
5022 * tree-complex.c: Ditto.
5023 * genrecog.c: Ditto.
5024 * tree-ssa-threadupdate.c: Ditto.
5026 * java/class.c: Ditto.
5027 * java/jcf-parse.c: Ditto.
5028 * java/resource.c: Ditto.
5029 * java/except.c: Ditto.
5030 * java/jvspec.c: Ditto.
5031 * java/jcf-write.c: Ditto.
5032 * java/jcf-path.c: Ditto.
5033 * java/gjavah.c: Ditto.
5034 * java/zextract.c: Ditto.
5035 * java/jcf-io.c: Ditto.
5036 * java/jcf.h: Ditto.
5037 * java/buffer.c: Ditto.
5038 * java/lang.c: Ditto.
5039 * java/parse-scan.y: Ditto.
5040 * java/lex.c: Ditto.
5041 * java/lex.h: Ditto.
5042 * cfgloopmanip.c: Ditto.
5043 * postreload-gcse.c: Ditto.
5044 * tree-ssa-loop-manip.c: Ditto.
5045 * postreload.c: Ditto.
5046 * tree-ssa-loop-ch.c: Ditto.
5050 * diagnostic.c: Ditto.
5052 * genoutput.c: Ditto.
5054 * cfghooks.c: Ditto.
5055 * cfgloopanal.c: Ditto.
5056 * objc/objc-act.c: Ditto.
5058 * genextract.c: Ditto.
5059 * genautomata.c: Ditto.
5060 * pretty-print.c: Ditto.
5062 * cgraphunit.c: Ditto.
5065 * haifa-sched.c: Ditto.
5066 * dominance.c: Ditto.
5068 * tree-ssa-loop-ivopts.c: Ditto.
5070 * mode-switching.c: Ditto.
5071 * modulo-sched.c: Ditto.
5073 * ipa-pure-const.c: Ditto.
5075 * fix-header.c: Ditto.
5077 * tree-stdarg.c: Ditto.
5078 * ipa-utils.c: Ditto.
5079 * loop-init.c: Ditto.
5080 * ipa-inline.c: Ditto.
5083 * alloc-pool.c: Ditto.
5084 * dwarf2out.c: Ditto.
5086 * genattrtab.c: Ditto.
5087 * tree-ssa-loop-ivcanon.c: Ditto.
5091 * fortran/gfortranspec.c: Ditto.
5093 * local-alloc.c: Ditto.
5094 * langhooks.c: Ditto.
5095 * function.c: Ditto.
5096 * tree-vectorizer.c: Ditto.
5098 * ipa-type-escape.c: Ditto.
5100 * tree-if-conv.c: Ditto.
5103 * tree-data-ref.c: Ditto.
5104 * loop-unroll.c: Ditto.
5105 * treelang/treetree.c: Ditto.
5108 * ggc-common.c: Ditto.
5110 * coverage.c: Ditto.
5112 * tree-cfgcleanup.c: Ditto.
5113 * tree-ssa-pre.c: Ditto.
5114 * cfgcleanup.c: Ditto.
5115 * loop-invariant.c: Ditto.
5117 * ipa-prop.c: Ditto.
5118 * print-tree.c: Ditto.
5119 * conflict.c: Ditto.
5120 * ggc-page.c: Ditto.
5121 * sched-deps.c: Ditto.
5122 * regclass.c: Ditto.
5123 * tree-object-size.c: Ditto.
5125 * bb-reorder.c: Ditto.
5126 * resource.c: Ditto.
5127 * var-tracking.c: Ditto.
5129 * df-problems.c: Ditto.
5130 * reg-stack.c: Ditto.
5133 * sched-rgn.c: Ditto.
5134 * tree-ssa-structalias.c: Ditto.
5135 * tree-ssa-reassoc.c: Ditto.
5136 * config/darwin-c.c: Ditto.
5137 * config/darwin.c: Ditto.
5138 * config/arm/arm.c: Ditto.
5140 * collect2.c: Ditto.
5143 2006-01-31 Nicolas Pitre <nico@cam.org>
5145 * arm.md (smaxsi3): Make aware of smax_m1.
5148 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5150 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5152 2006-01-31 Richard Guenther <rguenther@suse.de>
5154 * doc/invoke.texi (-msselibm): Document.
5155 * target.h (expand_library_builtin): New target hook.
5156 * builtins.c (expand_builtin): Use expand_library_builtin.
5157 (default_expand_library_builtin): New function.
5158 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5159 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5160 (link_gcc_math_spec): Declare.
5161 (static_specs): Add link_gcc_math_spec.
5162 * expr.h (default_expand_library_builtin): Declare.
5163 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5164 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5165 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5166 * config/i386/i386.opt (msselibm): New target option.
5167 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5168 (ix86_init_sse_abi_builtins): New function.
5169 (ix86_expand_library_builtin): Likewise.
5170 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5171 (override_options): Handle error conditions wrt -msselibm.
5172 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5173 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5174 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5177 2006-01-31 Richard Guenther <rguenther@suse.de>
5178 Paolo Bonzini <bonzini@gnu.org>
5180 * doc/install.texi (--disable-libgcc-math): Document.
5182 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5184 * expr.h (expand_normal): new inline function.
5185 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5187 * dwarf2out.c: use it.
5192 * config/sparc/sparc.c: use it.
5193 * config/i386/i386.c: use it.
5194 * config/rs6000/rs6000.c: use it.
5195 * config/arm/arm.c: use it.
5196 * config/mips/mips.c: use it.
5197 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5199 2006-01-30 Roger Sayle <roger@eyesopen.com>
5201 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5202 argv to the appropriate type.
5204 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5206 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5209 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5212 * config/s390/s390.c (struct machine_function): New flag
5213 decomposed_literal_pool_addresses_ok_p.
5214 (s390_reorg): Set it before final stage of literal pool transforms.
5215 (s390_decompose_address): Only accept displacements of the form
5216 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5218 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5220 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5221 the comparison routine return.
5223 2006-01-30 Michael Matz <matz@suse.de>
5225 * global.c (find_reg): Only evict for global regs.
5226 Take n_refs into account and dump more info.
5228 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5231 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5232 (pragma_trap, pragma_nosave_low_regs): Likewise.
5233 (current_function_anonymous_args): Likewise.
5234 (sh_deferred_function_attributes): New variable.
5235 (sh_deferred_function_attributes_tail): Likewise.
5236 (print_operand): For '@', look up trap_exit attribute.
5237 (calc_live_regs): Look up trapa_handler attribute. For trapa
5238 handlers, save/restore fpscr, but don't do any other
5239 interrupt-specific saves.
5240 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5241 Fix check for partially saved registers to check for SHmedia.
5242 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5243 (sh_output_function_epilogue): Don't clear any of the removed
5245 (sh_insert_attributes): Don't check pragma_interrupt.
5246 Insert deferred attributes. Check that interrupt attribute is
5247 present for other attributes that require its presence.
5248 (sh_attribute_table): Add new attributes trapa_handler and
5250 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5251 Don't check for pragma_interrupt. Don't store argument.
5252 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5253 (sh_deferred_function_attributes): Declare.
5254 (sh_deferred_function_attributes_tail): Likewise.
5255 * sh.md (sp_switch_1): Add operand. Change generator caller.
5256 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5257 (*return_i): Don't use when trap_exit attribute is in effect.
5258 (*return_trapa): New insn pattern.
5260 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5261 setting c_target_objs and cxx_target_objs.
5262 * t-sh: Add rule for sh-c.o.
5264 2006-01-30 Richard Guenther <rguenther@suse.de>
5267 * gimplify.c (gimplify_target_expr): Handle easy cases
5268 without creating a temporary.
5270 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5272 * vec.h (safe_grow): Remove duplicated line.
5274 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5277 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5278 (expand_omp): ... here.
5279 (expand_omp_parallel): Only remove barriers for combined
5280 parallel+workshare constructs.
5282 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5286 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5287 * tree.c (build_qualified_type): Chain the new type to the original
5288 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5289 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5290 (build_pointer_type_for_mode): Only return unqualified types.
5291 (build_reference_type_for_mode): Likewise.
5293 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5295 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5296 * Makefile.in (CXX_COMPAT_WARN): Define.
5297 * configure: Regenerate.
5299 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5302 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5305 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5307 * toplev.c: Fix thinko.
5309 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5310 Marcin Dalecki <martin@dalecki.de>
5312 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5313 (push_srcloc): Use XNEW.
5314 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5316 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5318 * df-core.c (df_set_blocks): Deleted all variable.
5320 2006-01-28 Ian Lance Taylor <ian@airs.com>
5322 * cgraphunit.c (cgraph_assemble_pending_functions): Call
5323 cgraph_output_pending_asms.
5325 2006-01-28 Zack Weinberg <zackw@panix.com>
5327 * c.opt: Add -W(no-)overlength-strings.
5328 * doc/invoke.texi: Document it.
5329 * c-opts.c (c_common_handle_option): -pedantic implies
5330 -Woverlength-strings, if not explicitly disabled already.
5331 (c_common_post_options): -Woverlength-strings defaults to off, and
5332 is always off for C++.
5333 * c-common.c (fix_string_type): Issue warning about strings longer
5334 than is portable only if warn_overlength_strings. Rearrange code
5335 a little for clarity.
5336 * configure.in: Check for -Wno-overlength-strings as well before
5337 enabling -pedantic in stage 1.
5338 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
5339 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
5341 * genconditions.c (write_header, write_one_condition)
5342 (write_conditions, write_writer): Consolidate very long strings
5343 that were broken up to fit in C89 portable limit. Don't use
5344 printf when fputs will do.
5346 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
5348 * combine.c (simplify_comparison <AND>): Check
5349 TRULY_NOOP_TRUNCATION before start using a subreg.
5351 * config/mips/mips.md (*branch_zero<mode>,
5352 *branch_zero<mode>_inverted, *branch_equality<mode>,
5353 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
5354 Remove mode check from comparisons.
5356 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
5358 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
5360 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5362 * expmed.c (const_mult_add_overflow_p): Remove.
5363 * expr.h: Remove the prototype for const_mult_add_overflow_p.
5365 * recog.c (validate_replace_rtx_subexp): Remove.
5366 * recog.h: Remove the prototype for
5367 validate_replace_rtx_subexp.
5369 * integrate.h: Remove the prototype for
5370 copy_decl_for_inlining.
5371 * rtl.h: Remove the prototype for mark_constant_function.
5372 * tree-vectorizer.h: Remove the prototype for
5373 vect_strip_conversion.
5375 * modulo-sched.c (create_partial_schedule,
5376 free_partial_schedule, reset_partial_schedule): Make them
5379 * hooks.c (hook_bool_rtx_int_false): Remove.
5380 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
5382 2006-01-28 David Edelsohn <edelsohn@gnu.org>
5384 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5385 and -mlong-double-128 are incompatible.
5386 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
5387 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
5388 (TARGET_LIBGCC2_CFLAGS): Define.
5389 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
5390 (TARGET_LIBGCC2_CFLAGS): Same.
5391 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
5393 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5396 * c-typeck.c (build_binary_op): Perform implicit casts of
5397 operands before shortening them.
5399 * cfgloopmanip.c (split_loop_bb): Remove.
5400 * cfgloop.h: Remove the prototype for split_loop_bb.
5402 * cfgloop.c (flow_loop_outside_edge_p): Remove.
5403 * cfgloop.h: Remove the prototype for
5404 flow_loop_outside_edge_p.
5406 * emit-rtl.c (init_virtual_regs): Make it static.
5407 * function.h: Remove the prototype for init_virtual_regs.
5409 * recog.c (peephole2_optimize): Make it static.
5410 * recog.h: Remove the prototype for peephole2_optimize.
5412 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5414 * df-scan.c (df_record_entry_block_defs): Check if
5415 INCOMING_RETURN_ADDR_RTX is defined.
5417 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
5418 Kenneth Zadeck <zadeck@naturalbridge.com>
5420 PR rtl-optimization/24762
5421 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5422 * targhooks.c (hook_void_bitmap): New hook prototype.
5423 * targhoohs.h (hook_void_bitmap): Ditto.
5424 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
5425 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
5426 * target.h (live_on_entry): New function pointer.
5427 * df-scan.c (df_all_hard_regs): Removed.
5428 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
5429 (df_scan_free_internal): Added df->entry_block_defs.
5430 (df_scan_alloc): Ditto.
5431 (df_scan_dump): Ditto.
5432 (df_uses_record): Plumbed flag field properly thru calls.
5433 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
5434 This part fixes PR24762.
5435 (df_bb_refs_record): Added code to make the frame and arg
5436 pointers live in EH blocks.
5437 (df_refs_record): Added call to df_record_entry_block_defs.
5438 (df_record_entry_block_defs): New function.
5439 * df-core.c: Added comments to describe new artifical defs.
5440 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
5441 (entry_block_defs): New field in struct df.
5442 (df_all_hard_regs): Deleted.
5443 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5444 * df-problems.c (df_ru_bb_local_compute_process_def):
5445 Added code to handle artifical defs in the entry to a function.
5446 (df_ru_bb_local_compute): Ditto.
5447 (df_rd_bb_local_compute_process_def): Ditto.
5448 (df_rd_bb_local_compute): Ditto.
5449 (df_lr_bb_local_compute): Ditto.
5450 (df_ur_bb_local_compute): Ditto.
5451 (df_urec_bb_local_compute): Ditto.
5452 (df_chain_create_bb): Ditto.
5453 (df_ur_local_finalize): Removed entry.
5454 (df_urec_init): Ditto.
5455 (df_urec_local_finalize): Ditto.
5456 (df_ri_bb_compute): Added detection of last use of pseudos.
5457 * Makefile.in (df-scan.o): Updated dependencies.
5458 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
5459 * config/mips/mips.c (mips_set_live_on_entry): Added.
5460 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
5462 * dce.c (marked_insn_p): Added code to handle artifical defs.
5464 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5466 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
5468 (_mm_cvtsi128_si64): Likewise.
5469 (_mm_cvtsd_si64): Likewise.
5470 (_mm_cvttsd_si64): Likewise.
5471 (_mm_cvtsi64_sd): Likewise.
5472 (_mm_cvtsi64_si128): Likewise.
5473 * config/i386/mmintrin.h (_m_from_int64): Likewise.
5474 (_mm_cvtsi64_m64): Likewise.
5475 (_m_to_int64): Likewise.
5476 (_mm_cvtm64_si64): Likewise.
5477 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
5478 (_mm_cvttss_si64): Likewise.
5479 (_mm_cvtsi64_ss): Likewise.
5480 (_mm_cvtss_f32): Likewise.
5482 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
5484 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
5485 for pragma redefine_extname.
5487 2006-01-27 Jakub Jelinek <jakub@redhat.com>
5490 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
5491 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
5492 -mno-minimal-toc to previous content.
5493 (bispecs): Remove goal.
5494 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
5495 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
5496 compatibility aliases on powerpc-*-*gnu*.
5497 * config/rs6000/libgcc-ppc-glibc.ver: New file.
5498 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
5499 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
5500 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
5501 (ldblspecs): New goal.
5502 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
5503 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
5505 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
5506 L_sf_to_tf or L_df_to_tf is defined.
5508 2006-01-27 David Edelsohn <edelsohn@gnu.org>
5509 Alan Modra <amodra@bigpond.net.au>
5512 * config/rs6000/linux.h (POWERPC_LINUX): Define.
5513 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
5514 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
5515 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
5516 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
5517 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
5518 (rs6000_override_options): Initialize rs6000_ieeequad.
5519 Initialize TFmode format to ibm_extended_format if not
5521 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
5523 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
5524 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
5525 (function_arg_advance): IBM long double passed in two FPRs, not
5527 (function_arg): IBM long double passed in FPRs.
5528 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
5529 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
5530 Only multireg GPR aligned.
5531 (rs6000_init_libfuncs): Enable IBM long double functions if not
5533 (rs6000_generate_compare): Use IBM long double compare if not
5535 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
5536 (TARGET_IEEEQUAD): Define.
5537 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
5538 not TARGET_IEEEQUAD.
5539 * config/rs6000/rs6000.md: Enable TFmode patterns if
5541 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
5542 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5543 and -mlong-double-128 are incompatible.
5544 * doc/invoke.texi (-mabi): Collect options together. Add
5545 ibmlongdouble and ieeelongdouble.
5547 2006-01-27 Richard Sandiford <richard@codesourcery.com>
5549 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
5551 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
5552 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
5553 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
5554 * rtl.h (rtunion_def): Remove rt_ptr.
5556 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
5557 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
5558 * config/i386/winnt.c (i386_pe_mark_dllexport)
5559 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
5561 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
5563 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
5565 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5569 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
5570 pthread_key_delete. From John David Anglin. gthrw-ify
5571 pthread_getunique_np only if it it's not a macro. Delete
5573 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
5574 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
5575 __gthread_objc_condition_signal, __gthread_key_delete): Add
5576 "__attribute__ ((__unused__))" to unused arguments.
5577 (__gthread_recursive_mutex_init_function): Add missing return.
5578 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
5579 gthr-posix95.h: Use macro-based approach for name redirection
5580 on targets missing weakref.
5582 2006-01-26 Zack Weinberg <zackw@panix.com>
5584 * genconditions.c (write_header): In generated code, #ifdef out
5585 all includes and fake declarations, except includes of bconfig.h
5586 and system.h, unless GCC_VERSION >= 3001. Do not include
5587 gensupport.h in any case.
5588 (write_conditions): Generate a definition of struct c_test. Add
5589 a comment to the generated #endif.
5590 (write_one_condition): Escape backslashes in string too.
5591 (write_writer): Generated code must escape backslashes and quote
5592 marks (but not newlines) in the strings it writes.
5593 * Makefile.in (build/gencondmd.o): Update dependencies.
5595 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5598 * Makefile.in (insn-automata.o): Add header file dependencies.
5599 * genautomata.c: Add includes.
5601 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5604 * Makefile.in (insn-automata.o): Add -Wno-error flag.
5606 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5608 * configure.ac: Expect target tools paths to be passed from the toplevel
5609 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
5611 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
5613 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5616 * c.opt (Wpointer-sign): Init to -1.
5617 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
5618 OPT_pedantic, to 0 otherwise.
5619 * doc/invoke.texi: Update.
5621 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5623 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
5624 constants provided by 80387 instructions in the destination mode.
5626 2006-01-26 Richard Guenther <rguenther@suse.de>
5627 Andrew Pinski <pinskia@physics.uc.edu>
5630 partial PR tree-opt/17064
5631 * tree-ssa-structalias.c (intra_create_variable_infos):
5632 Create heap variables for incoming parameters if
5633 flag_argument_noalias > 1.
5634 (find_what_p_points_to): Look through default defs of
5637 2006-01-26 Jeff Law <law@redhat.com>
5640 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
5641 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
5642 within the VR_RANGE, use the VR_RANGE as the result, not the
5644 (adjust_range_with_scev): Reject ranges from SCEV which are out of
5645 bounds for the type.
5647 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
5649 * tree-ssa-alias.c (maybe_create_global_var): Change
5650 subvar walking to an assertion that we don't have subvar'd variables.
5652 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
5655 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
5656 Use a new variable, inner. PARM_DECLs are always non-weak.
5658 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
5660 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
5663 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
5665 * config/mips/mips.md (*clear_upper32): New combiner pattern.
5667 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
5669 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
5670 (smax_insn, smin_insn, smax_0, smin_0): New.
5672 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
5675 * config/cris/cris.c (cris_order_for_addsi3): New function.
5676 * config/cris/cris-protos.h: Prototype it.
5677 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
5678 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
5679 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
5680 (split for "op.S1 [rx=rx+i],ry (swapped)")
5681 (split for "op(s|u).S1 [rx=rx+i],ry")
5682 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
5683 Apply cris_order_for_addsi3 when generating addsi3 insns.
5685 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5687 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
5688 (TREE_BLOCK): Add call to EXPR_CHECK.
5690 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5693 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
5694 * tree-pretty-print.c (dump_omp_clause): Extract from ...
5695 (dump_omp_clauses): ... here.
5696 (dump_generic_node): Handle OMP_CLAUSE.
5697 * tree.c (omp_clause_num_ops): New.
5698 (omp_clause_code_name): New.
5699 (tree_code_size): Handle OMP_CLAUSE.
5700 (tree_size): Likewise.
5701 (make_node): Document handling of OMP_CLAUSE.
5702 (tree_node_structure): Handle OMP_CLAUSE.
5703 (omp_clause_check_failed): New.
5704 (omp_clause_range_check_failed): New.
5705 (omp_clause_operand_check_failed): New.
5706 (build_omp_clause): New.
5707 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
5708 * tree.h (enum omp_clause_code): Declare.
5709 (OMP_CLAUSE_SUBCODE_CHECK): Define.
5710 (OMP_CLAUSE_RANGE_CHECK): Define.
5711 (OMP_CLAUSE_ELT_CHECK): Define.
5712 (omp_clause_check_failed): Declare.
5713 (omp_clause_operand_check_failed): Declare.
5714 (omp_clause_range_check_failed): Declare.
5715 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
5716 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
5717 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
5718 (OMP_CLAUSE_LASTPRIVATE): Likewise.
5719 (OMP_CLAUSE_IF_EXPR): Likewise.
5720 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
5721 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
5722 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
5723 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
5724 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
5725 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
5726 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
5727 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
5728 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
5729 (OMP_CLAUSE_CODE): Define.
5730 (OMP_CLAUSE_SET_CODE): Define.
5731 (OMP_CLAUSE_CODE): Define.
5732 (OMP_CLAUSE_OPERAND): Define.
5733 (struct tree_omp_clause): Declare.
5734 (union tree_node): Add field 'omp_clause'.
5735 * treestruct.def (TS_OMP_CLAUSE): Define.
5736 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
5737 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
5738 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
5739 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
5740 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
5741 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
5742 (OMP_CLAUSE): Define.
5743 * print-tree.c (print_node): Handle OMP_CLAUSE.
5744 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
5745 * c-typeck.c: Likewise.
5746 * gimplify.c: Likewise.
5747 * c-omp.c: Likewise.
5748 * tree-nested.c: Likewise.
5749 * tree-inline.c: Likewise.
5750 * c-parser.c: Likewise.
5751 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
5754 2006-01-25 Roger Sayle <roger@eyesopen.com>
5756 PR rtl-optimization/25703
5757 * combine.c (try_combine): Handle zero_extract and strict_low_part
5758 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
5760 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
5762 * global.c: Fix comment typos.
5764 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
5767 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
5768 Use output_addr_const instead of assemble_name.
5770 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
5772 * Makefile.in (sched-vis.o): Update dependencies.
5773 * haifa-sched.c (sched_finish): Clear current_sched_info.
5774 * cfg.c (dump_bb_info): New, split from dump_flow_info.
5775 (dump_flow_info): Call it.
5776 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
5778 * basic-block.h (dump_bb_info): Declare.
5779 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
5780 option, and apply options only for dump files whose TDF_RTL,
5781 TDF_TREE, or TDF_IPA bits match.
5782 * rtl.h: Declare new functions exported from sched-vis.c.
5783 * sched-vis.c: Enable also if scheduling is not used.
5784 (print_value): Print the mode of registers if not inside scheduling.
5785 (print_insn): Make it work outside the scheduler. Beautify the output
5787 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
5789 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5791 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
5792 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
5793 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
5794 depending on the value of CONSTANT_POOL_ADDRESS_P.
5795 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
5797 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
5798 rather than SYMBOL_REF_DECL.
5799 (rtx_constant_pool): Remove const_rtx_sym_htab.
5800 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
5801 (init_varasm_status): Don't initialize const_rtx_sym_htab.
5802 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
5803 Remove handling of const_rtx_sym_htab.
5804 (find_pool_constant): Delete.
5805 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
5806 rather than find_pool_constant.
5807 (get_pool_constant_for_function): Delete.
5808 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
5810 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
5811 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
5812 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
5813 (SYMBOL_REF_CONSTANT): New macro.
5814 (get_pool_constant_for_function): Delete.
5815 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
5816 rather than SYMBOL_REF_DECL.
5817 (i386_pe_mark_dllimport): Likewise.
5818 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
5819 rather than SYMBOL_REF_DECL.
5820 * config/darwin.c (machopic_indirect_data_reference): Likewise.
5821 (machopic_indirect_call_target): Likewise.
5823 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
5825 * flow.c (delete_noop_moves): Add missing EOL to dump message.
5827 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5829 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
5831 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
5833 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
5835 2006-01-24 David Daney <ddaney@avtrex.com>
5838 * configure.ac (enable_tls): New enable option.
5839 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
5840 * configure: Regenerate.
5841 * doc/install.texi (--enable-tls): Document new option.
5842 (--disable-tls): Ditto.
5844 2006-01-24 Richard Henderson <rth@redehat.com>
5846 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
5847 * alias.c (true_dependence): Respect it.
5848 (canon_true_dependence, write_dependence_p): Likewise.
5849 * builtins.c (get_builtin_sync_mem): Set it.
5851 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
5853 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
5856 2006-01-24 DJ Delorie <dj@redhat.com>
5858 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
5859 for storing constants in single-bit bitfields.
5861 2006-01-25 Ben Elliston <bje@au.ibm.com>
5863 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
5865 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
5868 * tree-ssa-pre.c (phi_translate): Return NULL
5869 for AGGREGATE_TYPE's.
5871 2006-01-24 Zack Weinberg <zackw@panix.com>
5873 * genautomata.c (process_state_for_insn_equiv_partition):
5874 Use xcalloc for insn_arcs_array.
5875 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
5876 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
5878 2006-01-24 Richard Henderson <rth@redhat.com>
5880 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
5883 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
5885 PR rtl-optimization/25890
5886 PR rtl-optimization/25905
5887 * combine.c (expand_compound_operation, expand_field_assignment):
5888 Fail if the bitfield's final position is out of bounds.
5890 2006-01-24 Ian Lance Taylor <ian@airs.com>
5893 * cgraphunit.c (cgraph_output_in_order): Don't clear
5894 cgraph_asm_nodes until after asm strings have been output.
5896 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
5898 * fix-header.c (read_scan_file): Add new parameter imultilib when
5899 calling register_include_chains.
5901 2006-01-23 Diego Novillo <dnovillo@redhat.com>
5903 * omp-low.c: Update documentation.
5905 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5906 Daniel Berlin <dberlin@dberlin.org>
5910 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
5911 return from the function.
5913 2006-01-22 Zack Weinberg <zackw@panix.com>
5915 * rtl.def (match_code): Add second argument.
5916 * genpreds.c (write_extract_subexp): New function.
5917 (write_match_code): Add path argument. Use write_extract_subexp.
5918 (write_predicate_expr): Pass path to write_match_code.
5919 (mark_mode_tests): MATCH_CODE applied to a subexpression does
5920 not perform a mode test.
5921 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
5922 a subexpression does not constrain the top-level code set.
5923 * read-rtl.c (read_rtx_variadic): New function.
5924 (read_rtx_1): Use it; allow AND and IOR to be variadic.
5925 * doc/md.texi: Document new notation.
5926 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
5927 (cmpsi_operand): ... here, using new notation.
5929 2006-01-22 Zack Weinberg <zackw@panix.com>
5931 * varray.c: Remove GENERATOR_FILE #ifdefs.
5933 2006-01-22 Zack Weinberg <zackw@panix.com>
5935 * genautomata.c (output_reserved_units_table): Emit nothing if
5936 description->query_units_num is zero. Remove extra blank line.
5937 (output_cpu_unit_reservation_p): Short circuit
5938 if description->query_units_num is zero.
5940 2006-01-22 Zack Weinberg <zackw@panix.com>
5942 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
5943 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
5944 nor any of the random handful of variables that used to be necessary
5945 when this program was linked with rtlanal.o. Prune set of forward
5946 function declarations.
5947 (struct attr_desc): Remove static_p field.
5948 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
5949 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
5950 (attr_string): Do not read the character one past the length of
5952 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
5953 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
5954 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
5955 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
5956 (make_automaton_attrs): New.
5957 (main): Do not call into genautomata. Call local gen_bypass
5958 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
5959 Remove special case for insn_alts.
5960 * genautomata.c: Include gensupport.h; not genattrtab.h nor
5961 varray.h (leftover from previous change). Prune set of forward
5962 function declarations. Remove state_alts fields from all
5963 structures. Remove state_alts_table from struct automaton.
5964 Make everything except main static. Do not maintain num_dfa_decls.
5965 Do not maintain state_alts fields of various structures.
5966 (process_decls): Don't validate condexp for dm_insn_reserv decls.
5967 (add_arc): Remove state_alts argument. All callers updated.
5968 (output_reserved_units_table): Emit #ifdef here...
5969 (output_tables): ...not here. Don't generate state_alts tables.
5970 (expand_automata): Don't generate attributes.
5971 (write_automata): Don't generate state_alts functions.
5972 (main): New function.
5973 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
5974 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
5975 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
5976 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
5977 (BYPASS_P_FUNC_NAME, output_state_alts_table)
5978 (output_automata_list_state_alts_code, output_internal_state_alts_func)
5979 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
5980 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
5982 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
5983 * genattrtab.h: Delete file.
5984 * Makefile.in (OBJS-common): Add insn-automata.o.
5985 (insn-automata.o): New rule.
5986 (simple_generated_c): Add insn-automata.c.
5987 (build/genattrtab.o, build/genautomata.o): Update dependencies.
5988 (genprogmd): Add automata.
5989 (build/genattrtab): Needs no extra objects nor libraries.
5990 (build/genautomata): Needs build/vec.o and -lm.
5992 2006-01-22 Zack Weinberg <zackw@panix.com>
5994 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
5995 (output_dfa_max_issue_rate, locked_states_num): Delete.
5996 (struct automaton): Add locked_states field.
5997 (output_dead_lock_vect): Save number of locked states in
5998 automaton->locked_states. If it is zero, don't print anything.
5999 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6000 (output_internal_dead_lock_func): Only test the dead_lock_vect
6001 for automata that have locked states.
6002 (output_statistics): Always print the number of locked states for
6003 each automaton. Calculate total number of locked states here.
6004 (write_automata): Don't call output_dfa_max_issue_rate.
6005 * genattrtab.c: Define length_unit_log as a const variable.
6006 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6007 max_insn_queue_index const.
6008 * final.c (length_unit_log): Declare const.
6009 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6011 2006-01-22 Zack Weinberg <zackw@panix.com>
6013 * genautomata.c: Include vec.h, not varray.h.
6014 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6015 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6016 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6017 VEC_* macros operating on appropriately typed vectors, or to
6018 malloced arrays when the size is known in advance. Const-ify
6019 many char* variables and function arguments. No functional changes.
6020 * Makefile.in (build/varray.o): Delete rule.
6021 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6022 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6024 2006-01-22 Zack Weinberg <zackw@panix.com>
6026 * gensupport.c: Define get_insn_name and record_insn_name here.
6027 (read_md_rtx): Call record_insn_name as appropriate.
6028 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6029 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6030 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6032 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6033 (BUILD_VARRAY): Delete.
6034 (genprognormal): Rename genprogmd. Fold in all programs from
6035 genprognoprint; also attrtab.
6036 (build/genattrtab): Just mention genautomata.o and varray.o.
6037 Reorganize a bit, add comments to make the categories clearer.
6039 2006-01-22 Zack Weinberg <zackw@panix.com>
6041 * genconditions.c (condition_table, add_condition): Delete.
6042 (write_conditions): Don't emit n_insn_conditions nor
6043 insn_elision_unavailable. Issue the gcc version #ifdef here,
6044 inside the table, with no #else clause ...
6045 (write_header): ...not here.
6046 (write_writer): New function.
6047 (main): Don't initialize condition_table. Use add_c_test.
6049 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6050 files on the command line.
6051 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6052 Return -1 if there is no entry in the table, don't abort.
6053 (add_c_test, traverse_c_tests): New functions.
6054 * gensupport.h (insn_elision_unavailable, insn_conditions)
6055 (n_insn_conditions): Delete declarations.
6056 (add_c_test, traverse_c_tests): Declare.
6057 * read-rtl.c: Include gensupport.h.
6058 (read_conditions): New function.
6059 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6060 (read_rtx_1): If we get EOF when we were looking for an initial
6061 open paren, return 0. Call read_conditions when appropriate.
6062 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6063 dummy-conditions.o. Eliminate references to insn-conditions.o,
6064 or change them to build/gencondmd.o, as appropriate. Remove
6065 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6066 from $(simple_generated_c). For all files remaining in those
6067 two lists, add insn-conditions.md to the generator command line.
6068 Give insn-constants.h/s-constants their own rules. Add rules
6069 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6070 (build/read-rtl.o): Depend on gensupport.h.
6071 (genprognormal): Include preds.
6072 (genprogearly): Rename genprognoprint; only difference is now that
6073 they don't link with $(BUILD_PRINT).
6074 * dummy-conditions.c: Delete.
6076 2006-01-22 Zack Weinberg <zackw@panix.com>
6078 * genextract.c: Don't include insn-config.h. Do include vec.h.
6079 Declare vectors of int, char, and locstr.
6080 (locstr): New typedef.
6081 (struct extraction): Make all array fields into bare pointers.
6082 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6083 (insn_code_number): Delete.
6084 (accum_extract): New struct.
6085 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6086 (gen_insn): Take insn_code_number as an argument. Use an
6087 accum_extract structure instead of loading data directly into
6088 a struct extraction, and having to know how big it might get.
6089 (walk_rtx): Operate entirely on an accum_extract structure.
6090 (print_path): Avoid unnecessary use of printf.
6091 (print_header): New function, split out of main. Distinguish
6092 more carefully between an unrecognizable insn and an insn that
6093 has the code number of a define_expand.
6094 (main): Pass insn_code_number to gen_insn. Call print_header
6095 only after parsing. Avoid unnecessary use of printf.
6096 * Makefile.in (build/vec.o): New rule.
6097 (build/genextract): Depend on build/vec.o.
6098 (build/genextract.o): Don't depend on insn-config.h.
6100 2006-01-22 Zack Weinberg <zackw@panix.com>
6102 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6103 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6104 practical. Eliminate per-generator-program link rules.
6106 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6109 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6110 with a call expr to ...
6111 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6113 2006-01-23 Richard Guenther <rguenther@suse.de>
6115 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6116 before make_edge with conditional EDGE_TRUE_VALUE.
6118 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6119 Jan Hubicka <jh@suse.cz>
6120 Richard Guenther <rguenther@suse.de>
6122 PR rtl-optimization/25654
6123 * cfgexpand.c (aggregate_contains_union_type): New function.
6124 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6125 for structure variables that contain a union type.
6127 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6129 * gengtype.c (new_structure): Return the structure.
6130 (create_option): Add an extra "next" argument.
6131 (create_field): New function.
6132 (adjust_field_rtx_def): Use create_option and create_field.
6133 Remove a now-unnecessary call to find_structure.
6134 (adjust_field_tree_def): Likewise.
6135 (note_yacc_type): Remove an unnecessary call to find_structure.
6136 * gengtype.h (new_structure): Return the structure.
6137 (create_option): Add an extra argument.
6138 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6139 (option): Adjust calls to create_option.
6141 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6143 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6145 2006-01-22 Paul Brook <paul@codesourcery.com>
6146 Peter Barada <peter@the-baradas.com>
6148 * config/m68k/m68k.md: Add Coldfire FPU support.
6149 Define FP mode macro and associated attributes.
6150 Use it for float mode patterns.
6151 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6152 (LIBCALL_VALUE): Use m68k_libcall_value.
6153 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6154 (m68k_function_value): Ditto.
6155 (emit_move_sequence): Ditto.
6156 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6157 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6158 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6159 (MULTILIB_EXCEPTIONS): Ditto.
6160 * config/m68k/m68k.opt: Add mcfv4e.
6161 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6162 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6163 (m68k_output_function_prologue): Save ColdFire FPU registers.
6164 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6165 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6166 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6167 ColdFire FPU registers.
6168 (m68k_libcall_value, m68k_function_value): New functions.
6169 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6170 (LIBCALL_VALUE): Use m68k_libcall_value.
6171 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6172 (MASK_COLDFIRE): Add MASK_CFV4E.
6173 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6174 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6175 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6176 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6177 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6178 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6179 * doc/invoke.tex: Document -mcfv4e on m68k.
6181 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6183 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6186 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6189 * c-opts.c (c_common_handle_option): Don't include
6190 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6191 * doc/invoke.texi (C++ Dialect Options): Document that
6192 -Wnon-virtual-dtor is no longer included in -Wall.
6194 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6196 * gcov.c (print_version), gcov-dump.c (print_version),
6197 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6200 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6202 * df-scan.c (problem_SCAN): Added NULL reset function.
6203 (df_scan_reset_blocks): Added code to call reset block function
6204 (df_bb_refs_delete) Fixed comment.
6205 (df_insn_refs_delete): Made tolerant of deleting non existent info
6206 for dataflow problems that need to be reset.
6207 * df-core.c (df_set_blocks): Ditto.
6208 * df.h (struct df_problem): Added reset_fun.
6209 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6210 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6211 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6212 functions to clear out all references to def-use or use-def chains.
6214 2006-01-21 Ben Elliston <bje@au.ibm.com>
6216 * varasm.c (assemble_real): Initialise data array.
6218 2006-01-20 Paul Brook <paul@codesourcery.com>
6220 Merge from csl-arm-branch.
6221 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6222 * config/arm/arm.md (movdi): Force operands[1] to a register
6223 if we have a non-register source.
6224 (*arm_movdi, *movdf_soft_insn): Require that one of the
6225 operands be a register.
6226 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6227 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6229 2006-01-20 DJ Delorie <dj@redhat.com>
6231 * varasm.c (initialize_constant_valid_p): Allow pointers
6232 initialized from integer constants of lesser precision.
6233 (output_constant): Allow non-int-sized pointer modes to be
6234 initialized from integer constants.
6236 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6239 * cppdefault.h (struct default_include): Add multilib flag.
6240 * cppdefault.c (cpp_include_defaults): Set it.
6241 * c.opt (-imultilib): New option.
6242 * c-opts.c (imultilib): New.
6243 (c_common_handle_option): Handle -imultilib.
6244 (c_common_post_options): Likewise.
6245 * c-incpath.c (add_standard_paths, register_include_chains):
6247 * c-incpath.h (register_include_chains): Add extra parameter.
6248 * gcc.c (do_spec_1): Generate -imultilib option.
6249 (The Specs Language): Update %I description.
6250 (process_command): Update copyright notice.
6251 * doc/cppopts.texi (-imultilib): Document.
6252 * doc/invoke.texi (-imultilib): Include in option summary.
6253 (%I): Update specs documentation.
6255 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6257 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6259 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6261 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6264 2006-01-20 Richard Guenther <rguenther@suse.de>
6265 Steven Bosscher <stevenb.gcc@gmail.com>
6267 PR rtl-optimization/24626
6268 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6269 EDGE_TRUE_VALUE if in RTL mode.
6272 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6273 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6275 2006-01-20 Dirk Mueller <dmueller@suse.com>
6278 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6279 instead of a special NOP marker.
6280 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6281 NOP marker handling.
6282 * c-common.h (empty_body_warning): Add forward declaration.
6283 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6284 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6286 2006-01-20 Paul Brook <paul@codesourcery.com>
6288 * Makefile.in (lang_checks): Keep going if mkdir fails.
6290 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6292 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6293 be able to clean out basic block when not necessary.
6294 (df_scan_free): Fixed to properly delete information if df is
6295 unused before calling df_finish.
6296 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6297 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6299 (df_bb_refs_delete): New function.
6300 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6301 * df-core.c (df_set_blocks): Added code to properly clean out
6302 unused blocks if they are not part of the blocks to consider.
6303 Added additional null check.
6304 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6305 be able to clean out basic block when not necessary
6306 * df.h (df_free_bb_function): Ditto.
6307 (df_bb_refs_delete): New function.
6308 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6309 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6310 basic block parameter to be able to clean out basic block when not
6312 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6313 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6314 Fixed to properly delete information if df is unused before
6317 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6319 PR rtl-optimization/25799
6320 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
6321 Corrected confluence operator to remove bits from op2 before oring
6322 with op1 rather than removing bits from op1.
6323 (df_ru_transfer_function): Corrected test on wrong bitmap which
6324 caused infinite loop. Both of these problems were introduced in
6325 the dataflow rewrite.
6327 2006-01-19 DJ Delorie <dj@redhat.com>
6329 * reload1.c (find_reload_regs): Note the details of reload
6330 failures in the dump file.
6331 (spill_failure): Likewise.
6333 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6335 * loop-iv.c: Include df.h and hashtab.h.
6336 (enum iv_grd_result): New enum.
6337 (DF_REF_IV, DF_REF_IV_SET): New macros.
6338 (struct biv_entry): New.
6339 (df, bivs): New global variables.
6340 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
6341 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
6343 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
6344 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
6345 analyzed_for_bivness_p, record_biv): New functions.
6346 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
6347 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
6348 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
6350 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
6352 (iv_number_of_iterations): Use new interface to iv analysis.
6353 * loop-unroll.c: Do not include varray.h.
6354 (analyze_iv_to_split_insn): Use new interface to iv
6356 * loop-unswitch.c (may_unswitch_on): Ditto.
6357 * df.c (df_bitmaps_free): Only work for bbs for that structures are
6359 (df_bb_modify): Realloc tables to the new index.
6360 (df_find_use): New function.
6361 * df.h (df_find_use): Declare.
6362 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
6364 * cfgloop.h (struct rtx_iv): Remove analysed field.
6365 (iv_get_reaching_def): Removed.
6366 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
6367 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
6368 (loop-iv.o): Add df.h and hashtab.h dependency.
6369 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
6371 2006-01-20 Alan Modra <amodra@bigpond.net.au>
6374 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
6376 (__floatundisf, __floatundidf): Likewise.
6377 * libgcc2.h (IS_IBM_EXTENDED): Define.
6379 2006-01-19 DJ Delorie <dj@redhat.com>
6381 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
6383 2006-01-19 Paul Brook <paul@codesourcery.com>
6385 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
6386 as nothrow when unwinding tables are disabled.
6388 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6391 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
6392 of bit-field" when in system header.
6394 2006-01-19 DJ Delorie <dj@redhat.com>
6396 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
6397 the 16 bit shift limit of the m16c.
6399 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
6402 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
6403 * config/i386/i386.c (output_set_got): Output the label if we have one
6404 for the TARGET_DEEP_BRANCH_PREDICTION case.
6406 2006-01-19 Jan Hubicka <jh@suse.cz>
6407 H.J. Lu <hongjiu.lu@intel.com>
6408 Evandro Menezes <evandro.menezes@amd.com>
6410 * invoke.texi (generic): Document
6412 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
6413 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
6414 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
6415 (x86_use_incdec, x86_pad_returns): New variables
6416 (TARGET_CPU_DEFAULT_generic): New constant
6417 (TARGET_CPU_DEFAULT_NAMES): Add generic.
6418 (enum processor_type): Add generic32 and generic64.
6419 * i386.md (cpu attribute): Add generic32/generic64
6420 (movhi splitter): Behave sanely when both partial_reg_dependency and
6421 partial_reg_stall are set.
6422 (K8 splitters): Enable for generic as well.
6423 * predicates.md (incdec_operand): Use TARGET_INCDEC
6424 (aligned_operand): Avoid memory mismatch stalls.
6425 * athlon.md: Enable for generic64, new patterns for 128bit moves.
6426 * ppro.md: Enable for generic32
6427 * i386.c (generic64_cost, generic32_cost): New.
6428 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
6429 (x86_use_leave): Enable for generic64. (x86_use_sahf,
6430 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
6431 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
6432 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
6433 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
6434 x86_partial_reg_dependency, x86_memory_mismatch_stall,
6435 x86_accumulate_outgoing_args, x86_prologue_using_move,
6436 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
6437 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
6439 (x86_use_incdec, x86_pad_returns): New.
6440 (override_options): Add generic32 and generic64, translate "generic"
6441 to generic32/generic64 and "i686" to "generic32", refuse
6442 "generic32"/"generic64" as arch target.
6443 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
6444 (ix86_reorg): Honor PAD_RETURNS.
6446 2006-01-19 Diego Novillo <dnovillo@redhat.com>
6448 * tree-pretty-print.c (dump_generic_node): Handle
6449 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
6450 * cgraph.c (cgraph_expand_queue): Rename from
6451 cgraph_analyze_queue. Update all users.
6452 * cgraphunit.c (cgraph_assemble_pending_functions): Process
6453 cgraph_expand_queue.
6454 (cgraph_expand_all_functions): Likewise.
6455 (cgraph_finalize_pending_functions): Remove. Update callers.
6457 * tree.h (OMP_DIRECTIVE_P): Define.
6458 (OMP_PARALLEL_FN): Define.
6459 (OMP_PARALLEL_DATA_ARG): Define.
6460 (OMP_SECTIONS_SECTIONS): Define.
6461 * tree-pass.h (pass_expand_omp): Declare.
6462 * omp-low.c (struct omp_region): Declare.
6463 (struct omp_context): Remove fields 'parallel_type',
6464 'parallel_start_ix' and 'parallel_start_additional_args'.
6466 (struct omp_for_data): Rename from struct expand_omp_for_data.
6467 (omp_regions): New static variable.
6468 (root_omp_region): New static variable.
6469 (find_omp_clause): Make static.
6470 (is_in_combined_parallel_ctx): Remove.
6471 (is_combined_parallel): New.
6472 (extract_omp_for_data): Move earlier in the file.
6473 (workshare_safe_to_combine_p): New.
6474 (get_ws_args_for): New.
6475 (determine_parallel_type): Move earlier in the file.
6476 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
6478 (omp_copy_decl): Likewise.
6479 (create_omp_child_function): Likewise.
6480 (lookup_omp_region): New.
6481 (dump_omp_region): New.
6482 (debug_omp_region): New.
6483 (debug_all_omp_regions): New.
6484 (new_omp_region): New.
6485 (scan_omp_parallel): If parallel_nesting_level > 1, the
6486 directive is nested within another parallel directive.
6487 Set OMP_PARALLEL_FN.
6488 (scan_omp_for): Do not try to handle combined parallel+for
6490 Remove FIXME comment.
6491 (scan_omp_nested): Remove.
6492 (scan_omp_1): Do not call scan_omp_nested when
6493 parallel_nesting_level is > 1.
6494 Do not change the DECL_CONTEXT of local variables found.
6495 (lookup_decl_in_outer_ctx): New.
6496 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
6497 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
6498 (lower_reduction_clauses): Rename from expand_reduction_clauses.
6499 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
6500 If CTX is nested, lookup VAR in the outer context when
6501 building copy assignment.
6502 (lower_send_clauses): Rename from expand_send_clauses.
6503 If CTX is nested, lookup VAR in the outer context when
6504 building copy assignments.
6505 (lower_send_shared_vars): Rename from expand_send_shared_vars.
6506 If CTX is nested, lookup VAR in the outer context when
6507 building copy assignments.
6508 (expand_parallel_call): Rename from build_parallel_call.
6509 Handle combined parallel+workshare cases.
6510 Re-implement to emit code into the CFG.
6512 (expand_omp_parallel): Re-implement to emit code into the CFG.
6513 Call move_sese_region_to_fn to outline the sub-graph
6514 containing the parallel region.
6515 (expand_omp_for_1): Remove.
6516 (expand_omp_for_generic): Re-implement to emit code into the
6518 (expand_omp_for_static_nochunk): Likewise.
6519 (expand_omp_for_static_chunk): Likewise.
6520 (expand_omp_for): Likewise.
6521 (expand_omp_sections): Likewise.
6522 (remove_exit_barriers): New.
6523 (expand_omp_synch): New.
6525 (build_omp_regions_1): New.
6526 (build_omp_regions): New.
6527 (execute_expand_omp): New.
6528 (gate_expand_omp): New.
6529 (pass_expand_omp): Define.
6530 (lower_omp_sections): Rename from expand_omp_sections.
6531 Set OMP_SECTIONS_SECTIONS.
6532 (lower_omp_single_simple): Rename from expand_omp_single_simple.
6533 (lower_omp_single_copy): Rename from expand_omp_single_copy.
6534 (lower_omp_single): Rename from expand_omp_simple.
6535 (lower_omp_master): Rename from expand_omp_master.
6536 (lower_omp_ordered): Rename from expand_omp_ordered.
6537 (lower_omp_critical): Rename from expand_omp_critical.
6538 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
6539 (lower_omp_for): Re-implement.
6540 (lower_omp_parallel): Re-implement.
6541 (lower_regimplify): Rename from expand_regimplify.
6542 (lower_omp_1): Rename from expand_omp_1.
6543 If there are syntax errors in the program, replace every
6544 OpenMP directive with NOP.
6545 Call lower_omp_* instead of expand_omp_*.
6546 (lower_omp): Rename from expand_omp.
6548 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
6549 * tree-gimple.h (enum omp_parallel_type): Remove.
6550 (gimple_boolify): Declare extern.
6551 (find_omp_clause, determine_parallel_type): Remove.
6553 * gimple-low.c (lower_omp_directive): New.
6554 (lower_stmt): Call it.
6555 (record_vars_into): Move from ...
6556 (record_vars): ... here.
6557 Call record_vars_into with current_function_decl.
6559 * gimplify.c (struct gimplify_ctx): Remove fields
6560 combined_pre_p and combined_ctxp. Update users.
6561 (get_formal_tmp_var): Add documentation.
6562 (gimple_boolify): Make extern.
6563 (gimplify_expr_in_ctx): Remove. Update callers.
6564 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
6565 will always be a BIND_EXPR.
6566 (gimplify_expr): Handle OMP_RETURN_EXPR.
6567 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
6568 (OMP_PARALLEL): Add 3 operands.
6569 (OMP_SECTIONS): Add 1 operand.
6570 (OMP_RETURN_EXPR): Define.
6572 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
6573 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
6574 * tree-iterator.c (alloc_stmt_list): Assert that we are not
6575 creating a circular free list.
6576 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
6578 * tree-flow.h (move_sese_region_to_fn): Declare.
6579 (record_vars_into): Declare.
6580 * tree-cfg.c (make_omp_sections_edges): New.
6581 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
6582 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
6583 OMP_SECTIONS and OMP_SECTION.
6584 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
6585 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
6586 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
6587 (gather_blocks_in_sese_region): New.
6588 (struct move_stmt_d): Declare.
6590 (move_block_to_fn): New.
6591 (move_sese_region_to_fn): New.
6593 * passes.c (init_optimization_passes): Schedule
6594 pass_expand_omp after pass_init_datastructures.
6596 * tree-ssa-operands.c (get_expr_operands): Handle
6597 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
6598 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
6600 2006-01-19 Jeff Law <law@redhat.com>
6602 * tree-vrp.c (extract_range_from_assert): Refine the result range
6603 if the variable referenced by the ASSERT_EXPR has a range and
6604 either the tentative result range or the previous range is a
6607 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6609 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
6611 2006-01-19 Jan Hubicka <jh@suse.cz>
6613 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
6615 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
6617 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
6618 (expand_compound_operation, expand_field_assignment): Fail if the
6619 bit lengths of an extract operation are out of range.
6620 (make_extraction): Compute wanted_inner_mode based on the position
6621 and length of the extraction. Make it extraction_mode for non-constant
6622 positions, and do not modify offset in that case. When generating a
6623 new MEM, use a mode that can hold the extraction while keeping correct
6624 alignment. Remove code that supported MEMs wrapped by USEs.
6625 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
6627 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
6629 * config/s390/s390.md ("Y", "y"): New mode attribute.
6630 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6631 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
6632 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
6633 "*addsi3_imm_cc", "*addsi3_carry1_cc",
6634 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
6635 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
6636 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
6637 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
6638 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
6639 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
6640 "addsi3", "subsi3"): Insn patterns removed.
6641 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
6642 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
6643 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
6644 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
6645 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
6646 "*sub<mode>3_cconly2"): New insn patterns.
6647 ("addsi3", "subsi3"): New expanders.
6649 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
6651 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
6652 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
6653 existing STMT_VINFO_VECTYPE if available.
6654 (vect_mark_relevant): Add special handling for stmts that are
6655 marked as STMT_VINFO_IN_PATTERN_P.
6656 (vect_analyze_loop): Call vect_pattern_recog.
6657 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
6658 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
6660 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
6661 (vect_recog_func_ptr): New function-pointer type.
6662 * tree-vect-patterns.c: New file.
6663 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
6664 (vect_recog_dot_prod_pattern, vect_pattern_recog):
6665 (vect_pattern_recog_1): New functions.
6666 (vect_pattern_recog_funcs): New array of function pointers.
6668 * tree-vectorizer.h (ternary_op): New enum value.
6669 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
6670 declaration. Revised documentation. Removed redundant dump prints.
6671 Removed redundant argument. Added support for reduction patterns.
6672 (vectorizable_reduction): Added support for reduction patterns.
6673 (vect_transform_stmt): Added support for patterns.
6675 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
6676 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
6677 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
6678 (expand_widen_pattern_expr): New function.
6679 (init_optabs): Initialize new optabs udot_prod_optab,
6681 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
6682 (sdot_prod_optab, udot_prod_optab): Define new optabs.
6683 (expand_widen_pattern_expr): New function declaration.
6684 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
6686 * tree-inline.c (estimate_num_insns_1): Added cases for new
6687 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6688 * tree-pretty-print.c (dump_generic_node): Likewise.
6689 (op_prio): Likewise.
6690 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6691 * tree-ssa-operands.c (get_expr_operands): Added case for
6693 * tree-vect-patterns.c (widened_name_p): New function.
6694 (vect_recog_dot_prod_pattern): Added function implementation.
6695 * tree-vect-transform.c (get_initial_def_for_reduction): Added
6696 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
6697 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
6698 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
6700 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
6701 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
6702 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
6703 (init_optabs): Initialize new optabs widen_ssum_optab,
6705 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
6706 (widen_ssum_optab, widen_usum_optab): Define new optabs.
6707 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
6708 use instead of type of def.
6709 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
6710 function implementation.
6711 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
6712 widen_ssumv8hi): New.
6714 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
6717 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6720 * c-decl.c (add_flexible_array_elts_to_size): New function.
6721 (finish_decl): Use it.
6723 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
6725 * diagnostic.h: Include options.h.
6726 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
6727 dependancies for diagnostic.h.
6728 * Makefile.in (DIAGNOSTIC_H): Add options.h.
6730 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
6732 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
6733 (ssa_ro_call_cache_valid): Ditto.
6734 * tree-ssa-alias.c (sort_tags_by_id): New function.
6735 (init_transitive_clobber_worklist): Ditto.
6736 (add_to_worklist): Ditto.
6737 (mark_aliases_call_clobbered): Ditto.
6738 (compute_tag_properties): Ditto.
6739 (set_initial_properties): Ditto.
6740 (compute_call_clobbered): Ditto.
6741 (compute_may_aliases): Call compute_call_clobbered and grouping.
6742 (compute_flow_sensitive_aliasing): Remove clobbering related code.
6743 (compute_flow_insensitive_aliasing): Grouping now happens in our
6745 (setup_pointers_and_addressables): Remove clobbering related code.
6746 (add_may_alias): Ditto.
6747 (replace_may_alias): Ditto.
6748 (get_nmt_for): Ditto.
6749 (create_global_var):
6750 (is_escape_site): Return an escape_type enumeration.
6751 * tree-flow-inline.h (is_call_clobbered): Global var does not
6752 imply call clobbered.
6753 (mark_call_clobbered): Take a reason for marking this. Remove
6754 marking of globalness, and cache invalidation.
6755 (clear_call_clobbered): Remove cache invalidation code.
6756 * tree-dfa.c (dump_variable): If details is on, dump the reason
6758 * tree-outof-ssa.c (create_temp): Copy escape mask from original
6760 * tree-flow.h (struct ptr_info_def): Add escape mask member.
6761 (struct var_ann_d): Ditto.
6762 (enum escape_type): New.
6763 (mark_call_clobbered): Adjust prototype.
6764 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
6765 are never call clobbered.
6766 Record reasons for escaping.
6767 * tree-ssa-structalias.h (is_escape_site): Update prototype.
6768 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
6769 (ssa_ro_call_cache_valid): Ditto.
6770 (clobbered_v_may_defs): Ditto.
6771 (clobbered_vuses): Ditto.
6772 (ro_call_vuses): Ditto.
6773 (clobber_stats): New.
6774 (init_ssa_operands): Zero out clobber stats.
6775 (fini_ssa_operands): Print out clobber stats.
6776 (get_call_expr_operands): Pass callee fndecl to
6778 (add_call_clobber_ops): Remove use of cache.
6779 Add use of PURE_CONST information.
6780 (add_call_read_ops): Remove use of cache.
6781 Add use of static not_read information.
6783 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
6785 Introduce TLS descriptors for i386 and x86_64.
6786 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
6787 (TARGET_ANY_GNU_TLS): New macro.
6788 (enum tls_dialect): Added TLS_DIALECT_GNU2.
6789 (struct machine_function): Add tls_descriptor_call_expanded_p.
6790 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
6791 (ix86_current_function_calls_tls_descriptor): Likewise.
6792 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
6793 (override_options): Introduce gnu2 tls dialect.
6794 (ix86_frame_pointer_required): Functions containing TLSCALLs are
6796 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
6798 (legitimize_tls_address): Adjust logic for GNU2 TLS.
6799 (ix86_init_machine_status): Initialize new field.
6800 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
6801 (ix86_tls_module_base): New.
6802 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
6803 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
6804 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
6805 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
6806 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
6807 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
6808 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
6809 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
6810 * config/i386/predicates.md (tls_modbase_operand): New.
6811 (tp_or_register_operand): New.
6813 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
6815 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
6816 (look_for_address_of): Ditto.
6817 (ipa_init): Walk the function decls.
6818 (static_execute): Don't set readonly on FUNCTION_DECL's.
6820 2006-01-18 Roger Sayle <roger@eyesopen.com>
6822 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
6823 for shifts where the source and destination registers are different.
6825 2006-01-18 Paul Brook <paul@codesourcery.com>
6827 Merge from csl-arm-branch.
6828 2005-03-14 Julian Brown <julian@codesourcery.com>
6829 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
6830 (aeabi_llsl): Likewise.
6831 (ashrdi3): Likewise.
6832 (aeabi_lasr): Likewise.
6833 (lshrdi3): Likewise.
6834 (aeabi_llsr): Likewise.
6835 2005-03-10 Julian Brown <julian@codesourcery.com>
6836 * config.gcc: Disable shared libgcc for SymbianOS.
6837 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
6839 2006-01-18 DJ Delorie <dj@redhat.com>
6841 * c-pragma.c (handle_pragma_diagnostic): New.
6842 (init_pragma): Register it.
6843 * doc/extend.texi: Document it.
6845 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
6846 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
6847 (diagnostic_context): Add classify_diagnostic[].
6848 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
6849 as errors if they're overridden to DK_WARNING.
6850 (diagnostic_initialize): Initialize classify_diagnostic[].
6851 (diagnostic_set_kind_override): New.
6852 (diagnostic_report_diagnostic): Check for kind changes.
6853 * opts.c (common_handle_option): Take lang_mask. Update callers.
6855 * common.opt (Werror=): New.
6856 * doc/invoke.texi: Document -Werror=*
6858 2006-01-18 Jeff Law <law@redhat.com>
6860 * tree-vrp.c (test_for_singularity): Correct test for new
6861 min limit. Use operand_equal_p rather than pointer equality
6862 for testing if new min/max values are equal.
6864 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
6865 using range information until after propagation and folding.
6867 2006-01-18 Richard Henderson <rth@redhat.com>
6868 Aldy Hernandez <aldyh@redhat.com>
6869 Jakub Jelinek <jakub@redhat.com>
6870 Diego Novillo <dnovillo@redhat.com>
6872 * omp-low.c: New file.
6873 * c-omp.c: New file.
6875 2006-01-18 Richard Henderson <rth@redhat.com>
6876 Jakub Jelinek <jakub@redhat.com>
6877 Diego Novillo <dnovillo@redhat.com>
6879 * doc/invoke.texi: Document -fopenmp.
6880 * tree-dump.h (debug_function): Declare.
6881 * hooks.c (hook_bool_tree_bool_false): New function.
6882 (hook_tree_tree_null): Remove.
6883 (hook_tree_tree_tree_null): New.
6884 * hooks.h: Update to match.
6885 * tree-pretty-print.c (debug_tree_chain): New.
6886 (print_generic_expr): Handle TDF_CHAIN.
6887 (dump_generic_node): Handle BLOCK.
6888 Do not abort with incomplete SWITCH_EXPRs.
6889 Do not dump body of an OpenMP directive if TDF_SLIM is given.
6890 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
6891 print space after directive name.
6892 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
6893 Handle OMP_MASTER and OMP_ORDERED.
6894 Handle printing of OMP_BODY just in one place, goto
6895 dump_omp_body in the rest of OMP_* nodes that have
6897 Don't handle clause nodes here. Update omp statements to
6898 use dump_omp_clauses.
6899 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
6900 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
6901 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
6902 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
6903 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
6904 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
6905 Adjust output for GOMP_PARALLEL.
6906 (dump_omp_clauses): New.
6907 (print_declaration): Dump DECL_VALUE_EXPR.
6908 (op_symbol_1): Split out of op_symbol.
6909 (dumping_stmts): Remove. Update all users.
6910 * cgraph.c (cgraph_analyze_queue): New.
6911 (cgraph_add_new_function): New.
6912 * cgraph.h (cgraph_analyze_queue): Declare.
6913 (cgraph_add_new_function): Declare.
6914 (cgraph_lower_function): Remove.
6915 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
6916 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
6917 and TYPE_P nodes in its default clause.
6918 (empty_body_p): New.
6919 (tree_range_check_failed): New.
6921 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
6922 OMP_CLAUSE_REDUCTION_MERGE,
6923 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
6924 OMP_CLAUSE_PRIVATE_DEBUG,
6925 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
6926 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
6927 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
6928 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
6929 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
6930 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
6931 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
6932 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
6933 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
6934 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
6935 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
6936 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
6937 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
6938 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
6939 (TREE_RANGE_CHECK): New.
6940 (empty_body_p): Declare.
6941 (enum omp_clause_default_kind): New.
6942 (build_string_literal): Declare.
6943 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
6944 (build5_stat, build5): Declare.
6945 * tree-pass.h (TDF_CHAIN): Define.
6946 * tree-pass.h (PROP_gimple_lomp): Define.
6947 (pass_lower_omp): Declare.
6948 * diagnostic.h (debug_tree_chain): Declare.
6949 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
6951 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
6952 * builtins.c (build_string_literal): Make extern.
6953 * gcc.c (include_spec_function): New.
6954 (static_spec_functions): Add it.
6955 (main): Move load of libgomp.spec ...
6956 (LINK_COMMAND_SPEC): ... here.
6957 (link_gomp_spec): New.
6958 (static_specs): Include it.
6959 (LINK_COMMAND_SPEC): Add link_gomp.
6960 (GOMP_SELF_SPECS): New.
6961 (driver_self_specs): Include it.
6962 (switch_matches): Don't mark inline.
6963 (main): Load libgomp.spec.
6964 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
6965 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
6966 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
6967 * tree-gimple.h (enum omp_parallel): Declare.
6968 (determine_parallel_type): Declare.
6969 (omp_firstprivatize_variable): Declare.
6970 (omp_reduction_init): Declare.
6971 (diagnose_omp_structured_block_errors): Declare.
6972 (struct walk_stmt_info): Add want_return_expr.
6973 (struct walk_stmt_info): Add want_bind_expr, want_locations.
6974 (find_omp_clause): Declare.
6975 (insert_field_into_struct): Declare.
6976 (struct walk_stmt_info): Move from tree-nested.c
6977 (walk_stmts): Declare.
6978 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
6980 * cgraphunit.c (cgraph_lower_function): Make static.
6981 (cgraph_finalize_pending_functions): New.
6982 (cgraph_finalize_function): Call it.
6983 (cgraph_finalize_compilation_unit): Likewise.
6984 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
6985 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
6986 (BT_FN_UINT_UINT): New.
6987 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
6988 DEF_FUNCTION_TYPE_VAR_4): Document.
6989 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
6990 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
6991 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
6992 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
6993 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
6994 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
6995 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
6996 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
6997 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
6998 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
6999 into separate files.
7000 (DEF_GOMP_BUILTIN): New.
7001 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7002 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7003 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7004 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7005 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7006 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7007 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7008 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7009 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7010 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7011 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7012 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7013 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7014 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7015 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7016 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7017 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7018 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7019 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7020 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7021 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7022 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7023 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7024 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7025 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7026 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7027 * sync-builtins.def: New file, moved from builtins.def.
7028 * omp-builtins.def: New file, moved from builtins.def.
7029 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7030 * gimple-low.c (lower_function_body): Clear data.
7031 (lower_stmt): Do not handle COMPOUND_EXPR.
7032 Remove call to print_node_brief.
7033 * c-tree.h (c_finish_omp_clauses): New prototype.
7034 (C_DECL_THREADPRIVATE_P): Define.
7035 (lookup_name_no_remap, c_omp_remap_private): Remove
7036 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7037 (check_for_loop_decls): Update decl.
7038 (lookup_name_no_remap, c_omp_remap_private): Declare.
7039 (build_indirect_ref, build_modify_expr, pushdecl,
7040 pushdecl_top_level): Move to c-common.h.
7041 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7042 before the switch, but just in the 2 places that need it.
7043 * c-decl.c (diagnose_mismatched_decls): Do not check for
7044 mismatched thread-local attributes when OLDDECL is marked
7045 threadprivate and NEWDECL has no thread-local attributes.
7046 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7047 (c_gimple_diagnostics_recursively): Rename from
7048 c_warn_unused_result_recursively. Invoke
7049 diagnose_omp_structured_block_errors.
7050 (check_for_loop_decls): Return a singular decl found.
7051 * langhooks.c (lhd_omp_predetermined_sharing): Return
7052 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7053 (lhd_omp_firstprivatize_type_sizes): New.
7054 (lhd_omp_assignment): New.
7055 (lhd_omp_predetermined_sharing): New.
7056 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7057 (struct lang_hooks_for_types): Add
7058 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7059 omp_predetermined_sharing, omp_disregard_value_expr,
7060 omp_private_debug_clause, omp_clause_default_ctor,
7061 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7062 (c_finish_omp_clauses): New.
7063 (c_finish_bc_stmt): Diagnose break within omp for.
7064 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7065 (build_unary_op): Return error_mark after reporting
7067 (build_modify_expr): Likewise.
7068 * gimplify.c: Include optabs.h and pointer-set.h.
7069 (enum gimplify_omp_var_data): Declare.
7070 (struct gimplify_omp_ctx): Declare.
7071 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7073 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7074 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7075 (splay_tree_compare_decl_uid): New.
7076 (new_omp_context): New.
7077 (delete_omp_context): New.
7078 (gimple_add_tmp_var): Call omp_add_variable.
7079 (gimplify_bind_expr): Likewise.
7080 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7081 true, disregard DECL_VALUE_EXPR on the decl if any.
7082 (gimplify_expr_in_ctx): New.
7083 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7084 omp_add_variable, omp_notice_variable, omp_is_private
7085 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7086 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7087 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7088 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7089 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7090 gimplify_omp_atomic): New.
7091 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7092 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7093 OMP_CRITICAL and OMP_ATOMIC.
7094 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7095 * c-pragma.h (enum pragma_kind): Add
7096 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7097 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7098 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7099 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7100 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7101 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7102 PRAGMA_OMP_THREADPRIVATE.
7103 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7104 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7105 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7106 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7107 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7108 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7109 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7110 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7111 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7112 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7113 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7114 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7115 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7117 (struct nesting_info): Add field_map,
7118 suppress_expansion, debug_var_chain.
7119 (create_nesting_tree): Initialize them.
7120 (lookup_field_for_decl): Use field_map.
7121 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7122 (convert_local_omp_clauses): New.
7123 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7124 (walk_body): Split out of walk_function.
7125 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7126 (convert_nonlocal_reference): Handle omp statements.
7127 (convert_local_reference): Likewise.
7128 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7129 (unnest_nesting_tree): New.
7130 (lower_nested_functions): Call it.
7131 (insert_field_into_struct): Make extern.
7132 (struct walk_stmt_info): Move to tree-gimple.h.
7133 (walk_stmts): Make extern.
7134 * omp-builtins.def: New file.
7135 * tree-iterator.c (expr_only): Clarify comment.
7136 * c-common.h (pushdecl_top_level, pushdecl,
7137 build_modify_expr, build_indirect_ref,
7138 c_finish_omp_master, c_finish_omp_critical,
7139 c_finish_omp_ordered, c_finish_omp_barrier,
7140 c_finish_omp_atomic, c_finish_omp_flush,
7141 c_finish_omp_for, c_split_parallel_clauses,
7142 omp_clause_default_kind, c_omp_sharing_predetermined,
7143 c_omp_remap_decl): Declare.
7144 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7145 (OBJS-common): Add omp-low.o.
7146 (c-omp.o, omp-low.o): Add.
7147 (gimplify.o): Add dependency on $(OPTABS_H).
7148 (GTFILES): Add omp-low.c.
7149 (gt-stringpool.h): Add.
7150 * tree-cfg.c (set_bb_for_stmt): Do not update the
7151 block-to-labels map if we are currently expanding to RTL.
7152 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7154 Handle IDENTIFIER_NODE.
7155 (tree_verify_flow_info): Do not ICE when emitting error
7156 messages about invalid labels.
7157 (dump_function_to_file): Reset CFUN before emitting the body
7159 (debug_function): New.
7160 * passes.c (init_optimization_passes): Schedule
7162 * langhooks-def.h (lhd_omp_predetermined_sharing,
7163 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7165 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7166 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7167 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7168 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7169 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7170 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7171 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7172 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7173 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7174 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7175 (LANG_HOOK_DECLS): Use them.
7177 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7178 Richard Henderson <rth@redhat.com>
7179 Jakub Jelinek <jakub@redhat.com>
7180 Diego Novillo <dnovillo@redhat.com>
7182 * c-parser.c (pragma_omp_clause): Define.
7183 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7184 (c_parser_compound_statement): Likewise.
7185 (c_parser_statement): Likewise.
7186 (c_parser_pragma): Handle omp pragmas.
7187 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7188 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7189 (c_parser_omp_clause_name, check_no_duplicate_clause,
7190 c_parser_omp_variable_list,
7191 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7192 c_parser_omp_clause_copyprivate,
7193 c_parser_omp_clause_default,
7194 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7195 c_parser_omp_clause_lastprivate,
7196 c_parser_omp_clause_nowait,
7197 c_parser_omp_clause_num_threads,
7198 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7199 c_parser_omp_clause_reduction,
7200 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7201 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7202 c_parser_omp_atomic, c_parser_omp_barrier,
7203 c_parser_omp_critical, c_parser_omp_flush,
7204 c_parser_omp_for_loop, c_parser_omp_for,
7205 c_parser_omp_master, c_parser_omp_ordered,
7206 c_parser_omp_sections_scope, c_parser_omp_sections,
7207 c_parser_omp_parallel, c_parser_omp_single,
7208 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7209 * c-pragma.c (init_pragma): Do omp pragma registration here.
7210 * c.opt (fopenmp): New flag.
7212 2006-01-18 Eric Christopher <echristo@apple.com>
7214 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7215 * config/darwin.h (GOMP_SELF_SPECS): Define.
7217 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7219 * rtl.h: Remove the prototype for reg_alloc.
7221 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7224 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7225 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7226 sjlj and dwarf2 exception handling.
7227 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7228 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7229 * pa/pa.c (function_value): Treat complex and vector types as
7231 (function_arg): Likewise. Only pass scalar floats in the floating
7232 point argument registers.
7233 * pa/t-slibgcc-dwarf-ver: New file.
7234 * pa/t-slibgcc-sjlj-ver: New file.
7235 * pa/t-slibgcc-elf-ver: Delete file.
7237 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7239 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7240 unlikely_test_section_p test.
7242 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7244 * mode-switching.c (optimize_mode_switching): Make it static.
7245 * basic-block.h: Remove the prototype for
7246 optimize_mode_switching.
7248 * modulo-sched.c (sms_schedule): Make it static.
7249 * rtl.h: Remove the prototype for sms_schedule.
7251 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7252 * rtl.h: Remove the prototype for gcse_after_reload_main.
7254 * reg-stack.c (reg_to_stack): Make it static.
7255 * rtl.h: Remove the prototype for reg_to_stack.
7257 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7259 * rtl.h: Remove the prototypes for regrename_optimize and
7260 copyprop_hardreg_forward.
7262 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7264 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7265 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7266 Test against the appropriate null constant for the mode.
7267 If 'fixup_overlap' is true, swap the operands if they overlap.
7268 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7269 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7270 alpha_split_tmode_pair and adjust for above change.
7271 * config/alpha/alpha.md (movtf_internal): Adjust call to
7272 alpha_split_tfmode_pair and rely on it to swap the operands.
7273 (movti_internal): New insn and post-reload splitter.
7274 (movti): New expander.
7276 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7278 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7281 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7283 * rtlanal.c (global_reg_mentioned_p_1,
7284 global_reg_mentioned_p): Remove.
7285 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7287 * flow.c (initialize_uninitialized_subregs): Make it static.
7288 * rtl.h: Remove the prototype for
7289 initialize_uninitialized_subregs.
7291 * function.c (instantiate_virtual_regs): Make it static.
7292 * function.h: Remove the prototype for
7293 instantiate_virtual_regs.
7295 * regmove.c (regmove_optimize, combine_stack_adjustments):
7297 * rtl.h: Remove the prototypes for regmove_optimize and
7298 combine_stack_adjustments.
7300 2006-01-17 Roger Sayle <roger@eyesopen.com>
7302 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7303 (size_cost): Encode costs in bytes so that a reg-reg addition is
7304 equivalent to COSTS_N_INSNS(1).
7305 (override_options): Use the size_cost.branch_cost as the default
7306 ix86_branch_cost when optimizing for size.
7308 2006-01-18 Ben Elliston <bje@au.ibm.com>
7310 * Makefile.in (D32PBIT_FUNCS): New.
7311 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7312 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7313 D64PBIT_FUNCS and D128PBIT_FUNCS.
7314 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7315 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7317 (decnumber_dep): Define.
7318 * doc/libgcc.texi (Decimal float library routines): New node.
7319 * config/dfp-bit.h, config/dfp-bit.c: New files.
7321 2006-01-18 Ben Elliston <bje@au.ibm.com>
7323 * expr.c (emit_move_change_mode): Always adjust addresses, not
7324 just during reload. Copy replacements only during reload.
7325 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
7326 emit_move_via_integer.
7328 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
7330 * Makefile.in (check-%, check-consistency): Use $${srcdir}
7331 instead of $(srcdir) and ${srcdir}.
7333 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
7337 * arm.h (struct machine_function): Add pic_reg.
7338 * arm.c (arm_pic_register): Make unsigned.
7339 (arm_override_options): Only set arm_pic_register if
7340 TARGET_SINGLE_PIC_BASE.
7341 (use_return_insn): Only test for a pic register if it is fixed.
7342 (arm_compute_save_reg0_reg12_mask): Likewise.
7343 (thumb_compute_save_reg_mask): Likewise.
7344 (legitimate_pic_operand): Factor out some known invariants.
7345 (legitimize_pic_address): If we don't have a fixed pic register,
7346 then set up a pseudo in the function entry sequence. Handle the
7347 pic base being in a pseudo.
7348 (arm_load_pic_register): Handle the pic register being in a pseudo.
7349 (arm_expand_prologue): Only set up the pic register if it is fixed.
7350 (thumb_expand_prologue): Likewise.
7351 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
7352 (pic_load_addr_based_insn): Likewise.
7353 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
7356 2006-01-18 Ben Elliston <bje@au.ibm.com>
7358 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
7359 decimal float modes for all floating point registers.
7361 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
7362 match_code "mem" with match_test "macho_lo_sum_memory_operand".
7364 2006-01-17 Jakub Jelinek <jakub@redhat.com>
7367 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
7368 even when the pointer is not NULL.
7370 2006-01-16 Ian Lance Taylor <ian@airs.com>
7372 * common.opt (ftoplevel-reorder): New option.
7373 * cgraph.c (cgraph_asm_nodes): New global variable.
7374 (cgraph_asm_last_node): New static variable.
7375 (cgraph_order): New global variable.
7376 (cgraph_create_node): Set new order field.
7377 (cgraph_varpool_node): Likewise.
7378 (decide_is_variable_needed): Return true if not
7379 flag_toplevel_reorder.
7380 (cgraph_add_asm_node): New function.
7381 * cgraph.h (struct cgraph_node): Add order field.
7382 (struct cgraph_varpool_node): Add order field.
7383 (struct cgraph_asm_node): Define.
7384 (cgraph_asm_nodes, cgraph_order): Declare.
7385 (cgraph_add_asm_node): Declare.
7386 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
7388 (cgraph_varpool_assemble_pending_decls): Call it.
7389 (cgraph_output_pending_asms): New static function.
7390 (cgraph_finalize_compilation_unit): Call it.
7391 (struct cgraph_order_sort): Define.
7392 (cgraph_output_in_order): New static function.
7393 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
7394 !flag_toplevel_reorder case.
7395 * c-parser.c: Include "cgraph.h".
7396 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
7398 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
7399 than -fno-unit-at-a-time.
7400 * doc/invoke.texi (Option Summary): Mention
7401 -fno-toplevel-reorder.
7402 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
7403 -funit-at-a-time documentation.
7405 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
7406 Kazu Hirata <kazu@codesourcery.com>
7408 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
7410 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
7412 * Makefile.in (FUNCTION_H): New. Use it instead of
7413 function.h throughout the file.
7414 * function.h: Include tree.h.
7416 2006-01-17 Ben Elliston <bje@au.ibm.com>
7418 * recog.c: Separate some functions with whitespace.
7420 2006-01-16 Richard Henderson <rth@redhat.com>
7422 Merge from gomp branch:
7423 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
7424 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
7425 and rename from struct inline_data. Rename callee* to dst*;
7426 caller* to src*; add copy_decl hook, transform_call_graph_edges,
7427 transform_new_cfg, transform_return_to_modify, and
7428 transform_lang_insert_block flags; remove cloning_p, versioning_p,
7430 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
7431 (copy_decl_for_dup): Remove.
7432 * tree-inline.c (struct inline_data): Move to header.
7433 (insert_decl_map): Export.
7434 (remap_decl): Update for member name changes. Use copy_decl hook.
7435 Allow for replacement to be a non-decl. Remove dead code.
7436 (remap_type_1): Check for existing mapping.
7437 (remap_type): Export.
7438 (remap_decls): Update for member name changes.
7439 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
7440 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
7441 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
7442 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
7443 (tree_function_versioning, build_duplicate_type): Likewise.
7444 (copy_body_r): Likewise. Export.
7445 (copy_decl_for_dup): Split into ...
7446 (copy_decl_for_dup_finish, copy_decl_to_var,
7447 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
7448 (replace_ref_tree, inlining_p): Remove.
7450 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7452 * ifcvt.c (if_convert): Make it static.
7453 * rtl.h: Remove the prototype for if_convert.
7455 * local-alloc.c (local_alloc): Make it static.
7456 * rtl.h: Remove the prototype for local_alloc.
7458 * loop.c (loop_optimize): Make it static.
7459 * cfgloop.h: Remove the prototype for loop_optimize.
7462 2006-01-16 DJ Delorie <dj@redhat.com>
7464 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
7467 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7469 * pa.md: Disparage copies between general and floating-point registers
7470 in 32-bit move patterns.
7472 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
7475 * Makefile.in (check-%): Depend on site.exp instead of
7476 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
7479 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7481 * global.c (global_alloc): Make it static.
7482 * rtl.h: Remove the prototype for global_alloc.
7484 2006-01-16 Richard Guenther <rguenther@suse.de>
7486 * tree-ssa-alias.c (struct used_part): Add write_only field.
7487 (get_or_create_used_part_for): Initialize it to true.
7488 (create_overlap_variables_for): Don't create structure variables
7489 for structures that only are written to.
7490 (find_used_portions): Handle MODIFY_EXPR to track whether a
7491 structure is only written to.
7493 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7495 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
7497 * basic-block.h: Remove the prototype for
7498 partition_hot_cold_basic_blocks.
7500 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
7502 * cppspec.c (lang_specific_spec_functions): Remove.
7503 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
7504 * gcc.h (lang_specific_spec_functions): Remove.
7505 * gccspec.c (lang_specific_spec_functions): Remove.
7507 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
7509 * combine.c (record_value_for_reg): Invalidate registers
7511 (record_dead_and_set_regs_1): Likewise, by passing them to
7512 record_value_for_reg.
7513 (record_dead_and_set_regs): Invalidate stores made by a
7514 call. We do not combine across a call, but we still
7515 relied on equivalences.
7517 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7519 * tree-vrp.c (extract_range_from_binary_expr): Cope with
7520 vrp_int_const_binop returning non-constant nodes.
7522 2006-01-16 Paul Brook <paul@codesourcery.com>
7524 * config/m68k/m68k.c (output_move_const_into_data_reg):
7525 Output correct mnemonic for mvz and mvs.
7527 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
7529 * rtl-factoring.c: Add sequence abstraction algorithm.
7530 * cfgcleanup.c (outgoing_edges_match): Extra checks.
7531 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
7533 (block_has_preserve_label): New function.
7534 * common.opt: Register new pass.
7535 * Makefile.in: Ditto.
7537 * timevar.def: Ditto.
7538 * tree-pass.h: Ditto.
7539 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
7540 * rtl.h (make_jump_insn_raw): Add forward decl.
7541 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
7543 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7544 Roger Sayle <roger@eyesopen.com>
7546 * fold-const.c (fold_minmax): New static function.
7547 (fold_binary) <MIN_EXPR>: Call it.
7548 <MAX_EXPR>: Likewise.
7549 * stor-layout.c (place_field): Use DECL_SIZE consistently
7550 in the computation of the new record size.
7552 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7554 * cse.c (cse_condition_code_reg): Make it static.
7555 * rtl.h: Remove the prototype for cse_condition_code_reg.
7557 * combine.c (combine_instructions): Make it static.
7558 * rtl.h: Remove the prototype for combine_instructions.
7560 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7563 * tree.c (get_file_function_name_long): Concatenate the first global
7564 object name with a string derived from the input filename of the object
7567 2006-01-16 Ben Elliston <bje@au.ibm.com>
7569 * config/i386/winnt-stubs.c: Update FSF address.
7570 * config/xtensa/ieee754-df.S: Ditto.
7571 * config/xtensa/ieee754-sf.S: Ditto.
7573 2006-01-14 Ian Lance Taylor <ian@airs.com>
7575 * ifcvt.c (noce_init_if_info): New static function, broken out of
7576 noce_process_if_block.
7577 (noce_process_if_block): Call noce_init_if_info.
7578 (check_cond_move_block): New static function.
7579 (cond_move_process_if_block): New static function.
7580 (process_if_block): Call cond_move_process_if_block.
7582 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
7584 * cselib.c (hash_table): Rename to cselib_hash_table.
7585 (cselib_clear_table, discard_useless_values,
7586 remove_useless_values, cselib_lookup_mem, cselib_lookup,
7587 cselib_init, cselib_finish): Adjust uses of hash_table.
7589 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
7591 PR tree-optimization/25485
7592 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
7593 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
7594 is known to be false and true, respectively.
7596 2006-01-14 Richard Guenther <rguenther@suse.de>
7598 PR tree-optimization/22548
7599 PR tree-optimization/22555
7600 PR tree-optimization/22501
7601 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
7602 * params.def (salias-max-array-elements): New parameter.
7603 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
7604 * doc/invoke.texi (salias-max-array-elements): Document.
7605 * tree-flow-inline.h (var_can_have_subvars): We also handle
7607 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
7609 * tree-ssa-structalias.c (params.h): Include.
7610 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
7611 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
7612 (get_constraint_for): For ADDR_EXPR operating on something
7613 containing an ARRAY_REF, add all subvars to the solution.
7614 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
7615 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
7616 for creating MUST_DEFs.
7617 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
7619 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7621 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
7623 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
7624 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7625 number_of_iterations_le): New functions.
7626 (number_of_iterations_special): Removed.
7627 (number_of_iterations_exit): Do not use number_of_iterations_special.
7628 * tree.c (unsigned_type_for): Always return integer type.
7630 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
7631 Richard Guenther <rguenther@suse.de>
7633 PR rtl-optimization/24257
7634 * gcse.c (find_moveable_store): Only consider a store movable
7635 when the SET_SRC of the insn can be assigned to a register.
7637 2006-01-14 Ian Lance Taylor <ian@airs.com>
7639 * tree.c (tree_not_class_check_failed): New function.
7640 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
7641 (tree_not_class_check_failed): Declare.
7643 2006-01-13 Ian Lance Taylor <ian@airs.com>
7645 * reload1.c (do_output_reload): Add assertion rejecting a
7648 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
7650 * combine.c (struct reg_stat): Add new fields truncation_label and
7652 (record_value_for_reg): Reset truncated_to_mode.
7653 (record_truncated_value): New function.
7654 (check_promoted_subreg): Call it. Rename to check_conversions.
7655 (combine_instructions): Rename check_promoted_subreg to
7657 (reg_truncated_to_mode): New function.
7658 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
7659 (gen_lowpart_or_truncate): New function.
7660 (force_to_mode): Use it instead of gen_lowpart.
7662 2006-01-13 Diego Novillo <dnovillo@redhat.com>
7664 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
7665 VAR is a tag, not its type tag.
7667 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
7669 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
7670 alternatives to match style of other entries.
7671 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
7673 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
7675 PR tree-optimization/25771
7676 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
7679 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
7682 * tree-inline.c (declare_return_variable): If the return variable
7683 was marked as a non gimple complex, set the return slot variable
7684 to be a non gimple comple variable.
7686 2006-01-13 Richard Guenther <rguenther@suse.de>
7688 * builtins.c (expand_builtin_sincos): New function.
7689 (expand_builtin_mathfn_3): Remove dead code, sin and cos
7691 (expand_builtin): Expand sincos using expand_builtin_sincos.
7693 2006-01-12 DJ Delorie <dj@redhat.com>
7695 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
7696 shift counts, separate SI shifts for m32c vs m16c, pass shift type
7697 so that constant shifts can be split.
7698 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
7699 (m32c_valid_pointer_mode): Make static.
7700 (shift_gen_func_for): New.
7701 (m32c_prepare_shift): Use it. Split large const shifts into
7703 * config/m32c/predicates.md (shiftcount_operand): Allow more
7705 (longshiftcount_operand): New.
7706 * doc/md.texi (Machine Constraints): Document In6.
7708 2006-01-13 Ben Elliston <bje@au.ibm.com>
7710 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
7711 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
7714 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
7716 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
7717 to try to avoid clobbering pieces of structures when we know
7718 something about the whole structure.
7719 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
7721 2006-01-13 Ben Elliston <bje@au.ibm.com>
7723 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
7724 return in memory, as this is no limitation is no longer present.
7726 2006-01-12 DJ Delorie <dj@redhat.com>
7728 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
7729 mova with fb, and for fb+0 -> An.
7731 * config/m32c/mov.md (peephole2): Fix enabling logic.
7733 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7734 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
7735 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
7736 FINI_ARRAY_SECTION_ASM_OP): Define.
7738 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
7740 (m32c_legitimize_reload_address): New logic to reload FB to An.
7741 (m32c_output_reg_push): Add newline.
7742 (m32c_output_reg_pop): Likewise.
7744 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
7746 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
7748 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
7750 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7752 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7754 * config/sh/predicates.md (sh_rep_vec): Add parallel to
7757 2006-01-11 Ben Elliston <bje@au.ibm.com>
7759 * rtlanal.c (find_reg_note): Assert insn is not null.
7761 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7763 * df-scan.c (df_hard_reg_init): Move declaration of i outside
7766 2006-01-11 Jeff Law <law@redhat.com>
7768 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
7770 (mark_threaded_blocks, register_jump_thread): New functions.
7771 (thread_through_all_blocks): Remove unwanted argument. No
7772 longer rely on e->aux to communicate thread target info.
7773 Call mark_threaded_blocks. Release the threaded_blocks
7774 bitmap and threaded_edges vector when complete.
7775 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
7776 (threaded_blocks): Remove.
7777 (tree_ssa_dominator_optimize): Remove initialization and
7778 finalization of threaded_blocks. Simplify call to
7779 thread_through_all_blocks.
7780 (thread_across_edge): Call register_jump_thread rather than
7781 storing thread information into e->aux.
7782 (free_all_edge_infos): Simplify now that e->aux is no longer
7783 used to communicate with thread_through_all_blocks.
7784 * tree-flow.h (thread_through_all_blocks): Update prototype.
7785 (register_jump_thread): Prototype.
7787 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7789 * df-core.c (df_compact_blocks, df_bb_replace): Use
7790 SET_BASIC_BLOCK instead of BASIC_BLOCK.
7792 2006-01-11 Richard Guenther <rguenther@suse.de>
7794 PR tree-optimization/25734
7795 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
7796 stop propagation after successful propagation to the LHS.
7798 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7800 * basic-block.h (control_flow_graph): Change the type of
7801 x_basic_block_info to VEC(basic_block,gc) *.
7802 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
7804 (SET_BASIC_BLOCK): New.
7805 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
7806 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
7807 * cfgbuild.c (find_basic_blocks): Likewise.
7808 * cfglayout.c (fixup_reorder_chain): Likewise.
7809 * cfgrtl.c (create_basic_block_structure,
7810 rtl_create_basic_block): Likewise.
7811 * ifcvt.c (find_if_case_1): Likewise.
7812 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
7815 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7817 * Makefile.in: Removed rotted odf.c entry.
7819 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
7822 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
7823 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
7824 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
7825 output pattern modifier, not %e.
7826 * config/cris/cris.c (cris_op_str): Update comment about pattern
7828 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
7829 before falling through into...
7830 <case 'E'>: Redefined from old 'e' case.
7832 2006-01-11 Jan Hubicka <jh@suse.cz>
7835 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
7837 2006-01-11 Jan Hubicka <jh@suse.cz>
7839 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
7840 * i386.c (x86_decompose_lea): Kill.
7841 (ix86_rtx_costs): Kill.
7843 2006-01-11 Jan Hubicka <jh@suse.cz>
7845 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
7846 * cgraph.h (cgraph_node): Add inline_decl.
7847 (cgraph_insert_node_to_hashtable): Declare.
7848 (save_inline_function_body): Declare.
7849 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
7851 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
7852 (cgraph_function_versioning): Update call of tree_function_versioning.
7853 (save_inline_function_body): New function.
7854 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
7855 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
7856 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
7857 (cgraph_default_inline_p): Likewise.
7858 (cgraph_decide_inlining_incrementally): Likewise.
7859 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
7860 (copy_bb): Kill saving; do updating of clones.
7861 (copy_cfg_body): Kill saving.
7862 (initialize_inlined-parameters): Likewise.
7863 (expand_call_inline): Likewise.
7865 (tree_function_versioning): New parameter "update_clones".
7866 (inlining_p): Kill saving.
7867 * tree-inline.h (tree_function_versioning): Update prototype.
7868 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
7871 2006-01-11 Ian Lance Taylor <ian@airs.com>
7873 * combine.c (struct undo): Remove is_int. Enumify types of undos.
7874 Allow undoing set of machine mode.
7875 (do_SUBST): Use enums instead of is_int.
7876 (do_SUBST_MODE): New function.
7877 (SUBST_MODE): New macro.
7878 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
7879 reg and trying to replace reg_regno_rtx with a new register.
7880 (undo_all): Use new enums, handle undoing a PUT_MODE change.
7881 (simplify_set): Use SUBST_MODE.
7882 (distribute_notes): Remove code that tried to update reg notes
7883 for regno_reg_rtx changes.
7885 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
7887 PR tree-optimization/23109
7888 PR tree-optimization/23948
7889 PR tree-optimization/24123
7891 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
7892 * tree-cfg.c (single_noncomplex_succ): New.
7893 * tree-flow.h (single_noncomplex_succ): Declare it.
7894 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7895 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7896 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
7897 insert_bb, register_division_in, insert_reciprocals,
7898 replace_reciprocal, free_bb): New.
7899 (execute_cse_reciprocals_1): Rewritten.
7900 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
7901 Do not commit any edge insertion. Always compute dominators and
7902 create the allocation pool.
7903 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
7904 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
7905 * targhooks.c (default_min_divistions_for_recip_mul): New.
7906 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
7907 * passes.c (init_optimization_passes): Run recip after tree loop
7909 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
7911 2006-01-11 Danny Berlin <dberlin@dberlin.org>
7912 Kenneth Zadeck <zadeck@naturalbridge.com>
7914 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
7915 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
7916 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
7917 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
7918 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
7919 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
7920 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
7921 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
7922 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
7923 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
7924 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
7925 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
7926 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
7927 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
7928 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
7929 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
7930 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
7931 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
7932 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
7933 DF_SCAN_POST_ALLOC): New macros.
7934 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
7935 df_free_bb_function, df_local_compute_function, df_init_function,
7936 df_dataflow_function, df_confluence_function_0,
7937 df_confluence_function_n, df_transfer_function,
7938 df_finalizer_function, df_free_function, df_dump_problem_function,
7939 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
7940 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
7941 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
7942 df_urec_bb_info, ) New types.
7943 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
7945 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
7946 df_analyze_simple_change_some_blocks,
7947 df_analyze_simple_change_one_block, df_compact_blocks,
7948 df_bb_replace, df_bb_regno_last_use_find,
7949 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
7950 df_insn_regno_def_p, df_find_def, df_find_use,
7951 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
7952 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
7953 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
7954 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
7955 debug_df_chain, df_get_dependent_problem, df_chain_create,
7956 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
7957 df_grow_bb_info, df_chain_dump, df_print_bb_index,
7958 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
7959 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
7960 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
7961 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
7962 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
7963 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
7964 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
7965 df_ref_remove, df_insn_refs_delete, df_refs_delete,
7966 df_reorganize_refs, df_set_state, df_hard_reg_init,
7967 df_read_modify_subreg_p) New public functions.
7968 * df-core.c: The core dataflow solver and glue routines for rtl
7970 (df_init, df_add_problem, df_set_blocks, df_finish,
7971 df_hybrid_search_forward, df_hybrid_search_backward,
7972 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
7973 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
7974 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
7975 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
7976 df_reg_defined, df_find_use, df_reg_used, df_dump,
7977 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
7978 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
7979 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
7980 debug_df_useno, reset_df_after_reload): New functions.
7981 * df-scan.c: The scanning fuctions, once in df.c, completely
7982 rewritten so that they now fully model the functionality of
7983 register usage at the backend.
7984 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
7985 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
7986 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
7987 df_grow_insn_info, df_rescan_blocks, df_ref_create,
7988 df_get_artificial_defs, df_get_artificial_uses,
7989 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
7990 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
7991 df_refs_delete, df_reorganize_refs, df_set_state,
7992 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
7993 df_def_record_1, df_defs_record, df_uses_record,
7994 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
7995 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
7996 df_record_exit_block_uses, df_hard_reg_init): New functions.
7998 * df-problems.c: Seven concrete dataflow problems that use the
7999 scanning in df-scan.c and are solved by the engine in df-core.c.
8000 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8001 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8002 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8003 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8004 df_ru_free_bb_info, df_ru_alloc,
8005 df_ru_bb_local_compute_process_def,
8006 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8007 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8008 df_ru_transfer_function, df_ru_free, df_ru_dump,
8009 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8010 df_rd_free_bb_info, df_rd_alloc,
8011 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8012 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8013 df_rd_transfer_function, df_rd_free, df_rd_dump,
8014 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8015 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8016 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8017 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8018 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8019 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8020 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8021 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8022 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8023 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8024 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8025 df_urec_mark_reg_use_for_earlyclobber,
8026 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8027 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8028 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8029 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8030 df_chain_create_bb_process_use, df_chain_create_bb,
8031 df_chain_finalize, df_chain_free, df_chains_dump,
8032 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8033 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8034 df_reg_lifetime): New functions.
8035 * df.c: Deleted file.
8036 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8037 consistent with new df api.
8038 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8039 rest_of_handle_sms): Ditto.
8040 * web.c (unionfind_union, union_defs, entry_register, web_main):
8042 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8043 invariant_expr_equal_p, find_defs, check_dependencies,
8044 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8045 free_inv_motion_data, move_loop_invariants): Ditto.
8046 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8047 Update dependencies.
8048 (odf.c): Added defective entry that was deleted later in day.
8049 * sched-deps.c (sched_analyze_1): Ditto.
8051 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8053 * tree-ssa-operands.c (get_expr_operands): Record addressable
8054 variables directly. Do not call add_stmt_operands for CONST_DECLs
8056 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8057 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8059 2006-01-11 Ben Elliston <bje@au.ibm.com>
8061 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8062 function returns true in the positive case.
8064 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8067 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8068 for SI, DI, SF and DF modes. Add alternatives to copy between
8069 general and floating point registers to the 32-bit patterns.
8070 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8071 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8072 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8073 generating 64-bit code.
8074 * config/pa/pa.c (output_move_double): Handle copies between general
8075 and floating registers.
8077 2006-01-10 Stuart Hastings <stuart@apple.com>
8079 * config/i386/i386.md (set_got): Update.
8080 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8081 (builtin_setjmp_receiver): Mach-O support.
8082 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8083 (GOT_SYMBOL_NAME): Define.
8084 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8085 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8086 * config/i386/i386.c (override_options): Revise for Darwin.
8087 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8088 support. (darwin_x86_file_end): New. (output_set_got): Add label
8089 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8090 * config/i386/i386-protos.h (output_set_got): Likewise.
8091 * config/darwin.c (machopic_legitimize_pic_address): Update
8094 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8096 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8097 when MODE isn't BLKmode.
8099 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8101 PR rtl-optimization/25367
8102 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8104 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8107 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8108 for a negative bound.
8110 2006-01-10 Richard Guenther <rguenther@suse.de>
8112 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8113 Never override with anything constraint.
8115 2006-01-10 Jan Beulich <jbeulich@novell.com>
8117 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8118 256 bits when optimize_size.
8120 2006-01-10 Jan Beulich <jbeulich@novell.com>
8122 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8124 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8125 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8128 2006-01-10 Ben Elliston <bje@au.ibm.com>
8130 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8132 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8133 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8134 (USE_FP_FOR_ARG): Reject decimal float modes.
8135 (function_arg_advance): Likewise.
8136 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8137 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8138 point types in AltiVec vectors.
8139 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8140 (rs6000_libcall_value): Likewise.
8142 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8144 * config/xtensa/ieee754-df.S: New file.
8145 * config/xtensa/ieee754-sf.S: New file.
8146 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8147 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8148 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8150 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8152 * config/sh/predicates.md (binary_float_operator,
8153 binary_logical_operator, commutative_float_operator,
8154 equality_comparison_operator, greater_comparison_operator,
8155 less_comparison_operator, logical_operator,
8156 noncommutative_float_operator, shift_operator,
8157 symbol_ref_operand, unary_float_operator): Remove redundant
8160 2006-01-09 Jeff Law <law@redhat.com>
8162 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8163 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8164 now unused arguments. Callers updated.
8165 (eliminate_redundant_computations): Remove now unused arguments,
8167 (local_fold): Remove, no longer used.
8168 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8170 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8171 (simplify_cond): New function.
8172 (forward_propagate_into_cond): Call simplify_cond.
8174 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8176 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8177 (*vec_extractv2di_1_sse): New.
8179 2006-01-09 Ben Elliston <bje@au.ibm.com>
8181 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8183 2006-01-08 Richard Guenther <rguenther@suse.de>
8185 * tree-ssa-structalias.c (get_constraint_for): Remove
8187 (get_constraint_for_component_ref): Likewise.
8188 (do_deref): Likewise.
8189 (get_constraint_for): Likewise.
8190 (do_structure_copy): Likewise.
8191 (handle_ptr_arith): Likewise.
8192 (find_func_aliases): Likewise. Remove unused need_anyoffset
8195 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8196 Kaz Kojima <kkojima@gcc.gnu.org>
8198 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8199 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8200 (EXTRA_CONSTRAINT_C16): Remove.
8201 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8202 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8203 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8204 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8205 constants of SHmedia. Handle nested constant expressions of
8207 (andcosts): Fix the costs for SHmedia constants.
8208 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8209 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8210 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8211 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8212 (movv4hi_i, movv2si_i): Likewise.
8213 (movsi_const): Adjust the second operand of ior so to match with
8215 (movdi_const, movdi_const_32bit): Likewise.
8216 (movdi_const_16bit+1): Don't sign-extend LOW.
8217 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8219 (*double_shori): Fix the split condition. Use GEN_INT instead
8220 of get_int_mode calls. Mask lower 16-bit of the argument of
8222 (sym2GOTPLT): Remove.
8223 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8225 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8226 instead of EXTRA_CONSTRAINT_C16.
8228 2006-01-07 Ian Lance Taylor <ian@airs.com>
8229 David Edelsohn <edelsohn@gnu.org>
8231 PR rtl-optimization/25662
8232 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8233 for constant operands instead of simplify_gen_binary.
8234 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8235 after trying simplify_binary_operation
8237 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8239 * tree.c (iterative_hash_expr): Hash decls based on UID.
8241 2006-01-06 Eric Christopher <echristo@apple.com>
8243 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8244 (TARGET_UNWIND_EMIT): Fix spelling.
8245 * target.h (gcc_target): Add except_table_label.
8246 * except.c (output_function_exception_table): Use.
8247 * varasm.c (default_emit_except_table_label): New.
8248 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8250 (asm_out): Add here.
8251 * output.h (default_emit_except_table_label): Prototype.
8252 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8253 * config/darwin.c (darwin_emit_except_table_label): Define.
8254 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8256 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8258 PR tree-optimization/18527
8259 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8260 number_of_iterations_special, number_of_iterations_exit):
8261 Move base and step of an iv to a single structure. Add
8262 no_overflow flag, and use it in # of iterations analysis.
8263 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8264 folded_casts argument.
8265 (simple_iv): Pass base and step in a structure. Set no_overflow
8267 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8268 Evaluate expensiveness of computing # of iterations instead of
8269 the final expression.
8270 * tree-scalar-evolution.h (affine_iv): New structure.
8271 (simple_iv): Declaration changed.
8272 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8273 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8274 find_givs_in_stmt): Changed due to simple_iv change.
8276 2006-01-06 Jeff Law <law@redhat.com>
8279 * tree-cfg.c (bsi_replace): Rename final argument from
8280 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8281 change (stmt -> orig_stmt).
8282 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8283 (bsi_remove): Add new argument. Remove EH information
8285 (verify_eh_throw_table_statements): New function.
8286 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8288 * tree-optimize.c (execute_free_cfg_annotations): Verify
8289 the EH throw statement table after removing annotations.
8290 * except.h (verify_eh_throw_table_statements): Prototype.
8291 * tree-flow.h (bsi_remove): Update prototype.
8292 * tree-vrp.c (remove_range_assertions): Add new argument to
8294 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8295 * tree-complex.c (expand_complex_div_wide): Likewise.
8296 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8297 * tree-tailcall.c (eliminate_tailcall): Likewise.
8298 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8299 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8300 * tree-nrv.c (tree_nrv): Likewise.
8301 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8302 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8303 (combine_blocks): Likewise.
8304 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8305 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8306 (cleanup_control_flow): Likewise.
8307 (remove_forwarder_block): Likewise.
8308 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8309 * tree-sra.c (sra_replace): Likewise.
8310 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8311 (forward_propagate_single_use_vars): Likewise.
8312 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8313 * tree-inline.c (expand_call_inline): Likewise.
8314 * tree-vect-transform.c (vect_transform_loop): Likewise.
8315 * tree-outof-ssa.c (rewrite_trees): Likewise.
8316 * tree-cfg.c (make_goto_expr_edges): Likewise.
8317 (cleanup_dead_labels): Likewise.
8318 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8319 (bsi_move_before, bsi_move_after): Likewise.
8320 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
8321 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
8323 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
8326 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
8328 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
8329 on non gimple variables. Also add checks at the top for decls and
8331 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
8333 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
8334 and IMAGPART_EXPR for creating MUST_DEFs.
8335 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
8336 and NAME_MEMORY_TAG separately from the DECLs.
8338 2006-01-06 Richard Guenther <rguenther@suse.de>
8340 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
8341 annotation, if necessary.
8342 * tree-ssa-pre.c (create_expression_by_pieces): Remove
8343 redundant calls to update_stmt.
8344 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
8347 2006-01-05 Richard Henderson <rth@redhat.com>
8349 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
8351 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8353 * c-typeck.c: Update copyright date.
8355 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8357 * c-typeck.c (build_c_cast): Always warn when casting
8358 from a pointer to an integer of different size, even if
8359 the node was constant.
8361 2006-01-05 Richard Guenther <rguenther@suse.de>
8363 PR tree-optimization/22555
8364 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
8365 if one structure field is an array.
8366 * tree-ssa-operands.c (get_expr_operands): Continue scanning
8367 operands even if we found a subvar, but ignore VOPs in this
8369 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
8371 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
8373 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
8376 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
8378 2006-01-05 Richard Guenther <rguenther@suse.de>
8379 Diego Novillo <dnovillo@redhat.com>
8381 * tree-pass.h (TODO_remove_unused_locals): Define.
8382 * gimple-low.c (expand_var_p, remove_useless_vars,
8383 pass_remove_useless_vars): Remove. Update all users.
8384 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
8385 (remove_unused_locals): New function.
8386 * tree-flow.h (remove_unused_locals): Declare.
8387 * passes.c (execute_todo): Call remove_unused_locals if
8388 TODO_remove_unused_locals is set.
8389 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
8390 * tree-ssa-dce.c (pass_dce): Likewise.
8391 * tree-outof-ssa.c (pass_del_ssa): Likewise.
8393 2006-01-05 Richard Guenther <rguenther@suse.de>
8395 * tree-flow.h (struct fieldoff): Decompose field to
8396 type, size and decl.
8397 * tree-ssa-alias.c (create_sft): Take type as parameter.
8398 (create_overlap_variables_for): Store type, size and decl
8399 in the fieldoff structure.
8400 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
8402 (push_fields_onto_fieldstack): Likewise.
8403 (create_variable_info_for): Likewise. Use offset for the
8404 SFT name if the decl is not available.
8406 2006-01-04 Paul Brook <paul@codesourcery.com>
8408 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
8410 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
8412 * lambda-code.c (can_put_in_inner_loop): Relax
8414 (can_put_after_inner_loop): New function.
8415 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
8416 (perfect_nestify): Change to make copies and modify uses.
8418 2006-01-04 Richard Henderson <rth@redhat.com>
8420 Merge from gomp branch:
8421 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
8422 via integer constant.
8423 (pragma_lex): Remove.
8424 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
8425 rather than parsing it.
8426 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
8427 handle_pragma_extern_prefix): Add %< %> quotes.
8428 (registered_pragmas): New.
8429 (c_register_pragma_1): New.
8430 (c_register_pragma): Use it.
8431 (c_register_pragma_with_expansion): Likewise.
8432 (c_invoke_pragma_handler): New.
8433 (init_pragma): Use cpp_register_deferred_pragma directly for
8435 * c-pragma.h (enum pragma_kind): New.
8436 (pragma_handler): New.
8437 (c_invoke_pragma_handler): Declare.
8438 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
8440 * c-common.h (c_common_pch_pragma): Update decl.
8441 * Makefile.in (c-parser.o): Update dependencies.
8442 (GTFILES): Add c-pragma.h.
8443 * c-parser.c (struct c_token): Add pragma_kind.
8444 (struct c_parser): Add in_pragma.
8445 (c_lex_one_token): Always initialize keyword and pragma_kind.
8446 Extract data for CPP_PRAGMA.
8447 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
8448 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
8449 Don't allow CPP_PRAGMA_EOL if in_pragma.
8450 (c_parser_consume_pragma): New.
8451 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
8452 (c_parser_skip_to_end_of_parameter): Likewise.
8453 (c_parser_skip_to_end_of_block_or_statement): Likewise.
8454 (c_parser_skip_to_pragma_eol): New.
8455 (c_parser_external_declaration): Handle CPP_PRAGMA.
8456 (c_parser_compound_statement_nostart): Likewise.
8457 (c_parser_statement_after_labels): Likewise.
8458 (c_parser_pragma): New.
8459 (pragma_lex): Likewise.
8460 (c_parser_pragma_pch_preprocess): New.
8461 (c_parser_new): Merge into ...
8462 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
8464 2006-01-04 Jeff Law <law@redhat.com>
8467 * tree-cfg.c (bsi_replace): Remove the original statement
8468 from the EH throw statement table.
8470 2006-01-04 Jakub Jelinek <jakub@redhat.com>
8472 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
8473 make the prototype extern "C" and add throw ().
8476 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
8477 and pos non-negative and pos + len <= 32.
8478 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
8479 drop pos + len < HOST_BITS_PER_WIDE_INT test.
8480 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
8483 * c-common.c (handle_vector_size_attribute): Reject zero vector size
8484 as well as sizes not multiple of component size.
8487 * function.c (instantiate_expr): New function.
8488 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
8489 walk its DECL_VALUE_EXPR with instantiate_expr.
8491 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
8492 DW_OP_deref{,_size} if address isn't going to be added.
8494 2006-01-04 Ben Elliston <bje@au.ibm.com>
8496 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
8497 * config/fp-bit.c: Likewise.
8499 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
8501 * dominance.c: Add comment about why we use DFS numbering
8504 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8505 Richard Henderson <rth@redhat.com>
8507 Merge from gomp-branch:
8508 * varasm.c (assemble_variable): Handle thread-local COMMON data.
8509 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
8511 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
8513 PR rtl-optimization/25578
8514 * combine.c (combine_simplify_rtx, force_to_mode): Don't
8515 pass a parameter to simplify_shift_const if changing ASHIFTRT
8518 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
8520 * builtins.c (get_builtin_sync_mem): New function.
8521 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
8522 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
8523 Call get_builtin_sync_mem to generate mem rtx.
8525 2006-01-03 Richard Guenther <rguenther@suse.de>
8528 * stmt.c (add_case_node): Make sure to clear overflow flags
8531 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8533 Merge from gomp-branch.
8534 * config/sparc/sync.md: New file.
8535 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
8536 UNSPECV_LDSTUB): New constants.
8537 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
8538 * config/sparc/predicates.md (memory_reg_operand): New predicate.
8539 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
8542 2006-01-03 Roger Sayle <roger@eyesopen.com>
8544 * combine.c (reg_subword_p): New predicate to test whether the
8545 destination of a set refers to a subword/piece of a register.
8546 (try_combine): Generalize the code to merge the setting of a
8547 pseudo to a constant followed by a set of a subword of that
8548 register to a constant.
8550 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
8552 * basic-block.h (control_flow_graph): Change the type of
8553 x_label_to_block_map to VEC(basic_block,gc) *.
8554 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
8555 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
8557 * tree-ssa-propagate.c (cfg_blocks): Change the type to
8558 VEC(basic_block,heap) *.
8559 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
8560 ssa_prop_fini): Adjust the uses of cfg_blocks.
8562 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
8564 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
8566 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
8567 hashing trees instead of a pointer hash.
8568 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
8569 compare for MEM_EXPR.
8571 PR rtl-optimization/25130
8572 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
8573 when comparing MEMs for GCSE
8575 2006-01-03 Ben Elliston <bje@au.ibm.com>
8577 * targhooks.h (default_decimal_float_supported_p): Declare.
8578 * targhooks.c (default_decimal_float_supported_p): Define.
8579 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
8580 `default_decimal_float_supported_p'.
8581 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
8583 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
8585 * combine.c (apply_distributive_law <SUBREG>): Check
8586 TRULY_NOOP_TRUNCATION.
8588 2006-01-02 Geoffrey Keating <geoffk@apple.com>
8590 * dwarf2out.c (have_switched_text_section): Delete.
8591 (have_multiple_function_sections): New.
8592 (have_location_lists): Make 'bool'.
8593 (add_AT_loc_list): Use 'true' not '1'.
8594 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
8595 (output_loc_list): Use have_multiple_function_sections.
8596 (output_ranges): Likewise.
8597 (dwarf2out_begin_function): Set have_multiple_function_sections if
8599 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
8600 Check function_section rather than DECL_SECTION_NAME.
8601 (dwarf2out_finish): Use have_multiple_function_sections.
8602 Don't clear have_location_lists.
8604 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
8605 Jan Hubicka <jh@suse.cz>
8607 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
8608 case of conditional jump jumping to the next instruction.
8609 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
8610 cases of conditional jump jumping to the next instruction.
8612 2006-01-02 Jan Hubicka <jh@suse.cz>
8614 * i386.c (*_cost): Add COSTS_N_INSNS.
8615 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
8617 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
8620 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
8622 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8624 * config/arm/arm.c (all_fpus): Fix comment typo.
8625 * config/darwin.c: Likewise.
8626 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
8627 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
8628 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
8630 2006-01-01 David Edelsohn <edelsohn@gnu.org>
8632 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
8633 (rs6000_split_compare_and_swapqhi): New.
8634 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
8635 (sync_compare_and_swapqhi_internal): New.
8636 * config/rs6000/rs6000-protos.h: Declare.