1 2006-03-30 Richard Guenther <rguenther@suse.de>
3 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4 variants with double arguments.
6 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8 * genpreds.c (write_tm_constrs_h): Delete variable p.
9 * genconditions.c (write_header): Add tm-constrs.h to included
11 * genpeep.c (main): Add toplev.h to included headers.
12 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
13 (build/genpeep.o): Add toplev.h dependency.
14 * config/rs6000/constraints.md: Add "W" constraint.
16 2006-03-29 Roger Sayle <roger@eyesopen.com>
18 * stor-layout.c (mode_for_size_tree): Remove restiction on type
19 sizes by correctly testing whether the size fits a host integer.
20 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
21 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
22 SImode range for the default sizetype and bitsizetype.
24 2006-03-29 Roger Sayle <roger@eyesopen.com>
26 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
27 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
28 quickly if the argument is already of the correct type.
29 Call fold_build1 instead of build1. Tidy up blank lines.
31 2006-03-29 David Edelsohn <edelsohn@gnu.org>
33 * genemit.c (main): Add tm-constrs.h to included headers.
34 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
35 * genpeep.c (main): Add tm-constrs.h to included headers.
36 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
37 (write_tm_constrs_h): this and write complete file.
38 (write_tm_preds_h): Do not emit satisfies_constraint fns.
39 (write_insn_preds_c): Add tm-constrs.h to included headers.
40 (gen_constrs): New variable.
41 (parse_option): Parse "-c".
42 (main): Invoke write_tm_constrs_h.
43 * genrecog.c (write_header): Add tm-constrs.h to included headers.
44 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
45 (object_out_file): Add tm-constrs.h dependency.
47 (insn-output.o): Same.
51 (tm-constsr.h): New target.
52 (s-constrs-h): New target.
54 * config/rs6000/constraints.md: New file.
55 * config/rs6000/rs6000.c: Include tm-constrs.h.
56 (num_insn_constant_wide): Convert to satisfies_constraint.
57 (rs6000_rtx_costs): Convert to satisfies_constraint.
58 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
59 (CONST_OK_FOR_LETTER_P): Delete.
60 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
61 (EXTRA_CONSTRAINT): Delete.
62 (EXTRA_MEMORY_CONSTRAINT): Delete.
63 (EXTRA_ADDRESS_CONSTRAINT): Delete.
64 * config/rs6000/predicates.md: Convert to satisfies_constraint.
65 * config/rs6000/rs6000.md: Include constraints.md. Convert to
68 * config/i386/i386.c: Include tm-constrs.h.
70 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
72 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
73 * tree-data-ref.c (find_data_references_in_loop,
74 compute_data_dependences_for_loop): Use pointers to VEC.
75 (analyze_all_data_dependences): Adjust calls.
76 * tree-data-ref.h (find_data_references_in_loop,
77 compute_data_dependences_for_loop): Adjust declarations.
78 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
79 compute_data_dependences_for_loop.
81 2006-03-29 Paul Brook <paul@codesourcery.com>
83 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
86 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
88 PR tree-optimization/26859
89 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
91 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
92 for the step after fold_convert.
94 2006-03-29 Paul Brook <paul@codesourcery.com>
96 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
97 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
99 2006-03-29 Paul Brook <paul@codesourcery.com>
102 * targhooks.c (default_narrow_bitfield): New fuction.
103 * targhooks.h (default_narrow_bitfield): add prototype.
104 * target.h (gcc_target): Add narrow_volatile_bitfield.
105 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
106 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
107 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
108 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
110 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
112 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
114 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
115 (NR_C_MODES): Add TDmode, DDmode and SDmode.
116 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
117 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
118 (s390_function_arg_float): Allow SDmode and DDmode values to be
119 passed in floating point registers.
120 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
121 check with SCALAR_FLOAT_MODE_P.
122 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
124 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
126 PR tree-optimization/25985
127 * tree-ssa-loop-niter.c (number_of_iterations_le,
128 number_of_iterations_ne): Make comments more precise.
129 (number_of_iterations_cond): Add only_exit argument. Use the
130 fact that signed variables do not overflow only when only_exit
132 (loop_only_exit_p): New.
133 (number_of_iterations_exit): Pass result of loop_only_exit_p to
134 number_of_iterations_cond.
136 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
138 PR tree-optimization/26643
139 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
142 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
144 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
145 (divsi3_i4_int): Likewise.
147 2006-03-28 Roger Sayle <roger@eyesopen.com>
149 * expr.c (emit_group_store): Only create a new pseudo reg if the
150 quantity it needs to hold isn't already a suitable pseudo.
152 2006-03-28 Jeff Law <law@redhat.com>
154 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
155 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
157 2006-03-28 Roger Sayle <roger@eyesopen.com>
159 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
160 the equivalent ~X & Y, and the symmetry related transformations.
161 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
162 ~X & Y, and symmetry related transforms.
164 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
166 Revert my 2006-03-27 patches.
168 2006-03-28 Roger Sayle <roger@eyesopen.com>
170 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
171 ~(T1)X, when T1 and T2 are integer types of the same precision
172 and (T2)X isn't an extension.
174 2006-03-28 Jeff Law <law@redhat.com>
176 PR tree-optimization/26796
177 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
178 need EH edge cleanups rather than purging them immediately.
179 (eliminate_degenerate_phis): Handle queued EH cleanups.
181 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
183 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
186 2006-03-27 Roger Sayle <roger@eyesopen.com>
189 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
190 cast BIT_NOT_EXPR operand to the correct type.
192 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
194 * tree-loop-linear.c: Don't include varray.h.
195 (gather_interchange_stats, try_interchange_loops,
196 linear_transform_loops): Use VEC instead of VARRAY.
197 * lambda-mat.c: Don't include varray.h.
198 * tree-chrec.c: Same.
199 * lambda-trans.c: Same.
200 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
201 VEC instead of VARRAY.
202 * tree-vectorizer.h: Idem.
203 * tree-data-ref.c (dump_data_references,
204 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
205 initialize_data_dependence_relation, finalize_ddr_dependent,
206 compute_all_dependences, find_data_references_in_loop,
207 compute_data_dependences_for_loop, analyze_all_data_dependences,
208 free_dependence_relation, free_dependence_relations,
209 free_data_refs): Idem.
210 * tree-data-ref.h (data_reference_p, subscript_p): New.
211 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
212 VEC instead of VARRAY.
213 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
214 (find_data_references_in_loop, compute_data_dependences_for_loop,
215 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
216 dump_data_dependence_relations, free_dependence_relations,
217 free_data_refs): Adjust declaration.
218 (lambda_transform_legal_p): Move declaration here...
219 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
220 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
221 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
222 vect_analyze_data_refs): Use VEC instead of VARRAY.
223 * lambda.h (lambda_transform_legal_p): ...from here.
224 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
225 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
226 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
227 tree-chrec.o): Don't depend on VARRAY_H.
229 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
231 * rtl.def (Copyright): Update date.
232 (DEPS_LIST): Change type of the second operand to 'int'.
233 * target.h (Copyright): Update date.
234 (struct gcc_target.speculate_insn): Change type of the second parameter
236 * lists.c (Copyright): Update date.
237 (alloc_DEPS_LIST): Change signature. Update reference to the second
238 operand of the DEPS_LIST.
239 (copy_DEPS_LIST_list): Update reference to the second operand of the
241 * rtl.h (Copyright): Update date.
242 (alloc_DEPS_LIST): Update signature.
243 * sched-int.h (Copyright): Update date.
244 (ds_t): Change typedef to 'int'.
245 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
247 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
249 * haifa-sched.c (Copyright): Update date.
250 (try_ready): Change condition to restore non-speculative pattern
252 (process_insn_depend_be_in_spec): Code to keep probability of the
253 speculative dependence non-decreasing.
255 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
257 * regrename.c (replace_oldest_value_addr): Initialize a variable to
258 shut up the compiler.
260 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
262 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
263 to use lib prefix for target.
264 ($(T)libic_invalidate_array_4-200.a): Likewise.
265 ($(T)libic_invalidate_array_4a.a): Likewise.
267 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
268 J"orn Rennecke <joern.rennecke@st.com>
270 * superh.opt: New file.
271 * sh.c (boardtype, osruntime): Remove.
272 * superh.h (SUBTARGET_OPTIONS): Remove.
273 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
275 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
276 arguments with ^ and/or [].
278 * config.gcc (sh-*-*): Add quoting to account for quirk of
280 Replace == with = in enable_incomplete_targets test.
282 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
283 with MASK_LITTLE_ENDIAN.
285 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
286 * config/sh/sh.opt: Added to some comments.
287 * config/sh/superh.h: Removed some chaff.
289 * config/sh/sh.opt: Add m4-[1234]00* options.
290 * config/sh/sh.c (sh_handle_option): Likewise.
291 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
292 (ic_invalidate_array_4-100.o): New rule.
293 ($(T)libic_invalidate_array_4-100.a): Likewise.
294 (ic_invalidate_array_4-200.o): Likewise.
295 ($(T)libic_invalidate_array_4-200.a): Likewise.
296 (ic_invalidate_array_4a.o): Likewise.
297 ($(T)libic_invalidate_array_4a.a): Likewise.
298 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
299 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
301 * config/sh/crt1.asm: Merged in profiling code.
302 * config/sh/superh.h (STARTFILE_SPEC): Override.
303 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
304 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
305 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
307 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
308 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
309 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
311 * sh.opt (mpretend-cmove): New option.
312 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
313 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
314 (movsicc): Add TARGET_PRETEND_CMOVE code.
316 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
318 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
319 s390_class_max_nregs): New function prototypes.
320 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
321 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
322 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
323 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
325 2006-03-26 Geoffrey Keating <geoffk@apple.com>
327 * dwarf2out.c (add_location_or_const_value_attribute): Call
328 tree_add_const_value_attribute if nothing else works.
329 (reference_to_unused): New.
330 (rtl_for_decl_init): Use reference_to_unused to decide whether
331 to output an initializer.
333 2006-03-27 Alan Modra <amodra@bigpond.net.au>
336 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
337 peephole removing spe frob_di_df_2.
339 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
341 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
342 (subscript_dependence_tester_1): Declared.
343 (print_dir_vectors, print_dist_vectors): New.
344 (debug_data_dependence_relation): New.
345 (dump_data_dependence_relation): Print more details.
346 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
347 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
348 (save_dist_v, save_dir_v, add_outer_distances,
349 build_classic_dist_vector_1): New.
350 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
351 Don't test for lambda_vector_lexico_pos.
352 (same_access_functions, add_multivariate_self_dist,
353 add_other_self_distances, dir_from_dist): New.
354 (build_classic_dir_vector): Replace implementation almost identical to
355 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
357 (subscript_dependence_tester_1): New.
358 (subscript_dependence_tester): Handle the lexicographically negative
359 distance vectors by recomputing the dependence relation.
360 (compute_affine_dependence): Remove parameter loop_nest_depth.
361 (compute_self_dependence): Don't call compute_subscript_distance.
362 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
363 Add a parameter for the loop_nest.
364 (find_loop_nest_1, find_loop_nest): New.
365 (compute_data_dependences_for_loop): Compute the loop nest, and give
366 up if the nest is not well formed.
367 * tree-data-ref.h (loop_p): New.
368 (struct data_dependence_relation): Replace size_vect field with
369 loop_nest, a vec of loops.
370 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
371 (DDR_LOOP_NEST): New.
372 (print_dir_vectors, print_dist_vectors,
373 debug_data_dependence_relation): Declared.
374 (index_in_loop_nest): New.
375 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
376 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
379 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
381 * simplify-rtx.c (simplify_relational_operation): Call
382 simplify_relational_operation_1 even if mode is VOIDmode.
384 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
386 PR tree-optimization/26804
387 * tree.h (DECL_CALL_CLOBBERED): New macro.
388 (tree_decl_common): Add call_clobbered_flag.
389 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
390 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
391 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
392 (mark_non_addressable): Ditto.
393 * tree-ssa.c (verify_call_clobbered): New function.
394 (verify_alias_info): Use it.
395 * tree-pass.h (pass_reset_cc_flags): New prototype.
396 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
397 (reset_cc_flags): New function.
398 * passes.c (init_optimization_passes): Call reset_cc_flags after
399 initializing referenced_vars.
401 2006-03-25 Uros Bizjak <uros@kss-loka.si>
402 Roger Sayle <roger@eyesopen.com>
405 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
406 to 1.0 for non-real operands. Implement A / A optimization for
409 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
411 * config/i386/i386.c (size_cost): Correct the comment for
412 cost of storing fp registers.
413 (i386_cost): Likewise.
414 (i486_cost): Likewise.
415 (pentium_cost): Likewise.
416 (pentiumpro_cost): Likewise.
418 (athlon_cost): Likewise.
420 (pentium4_cost): Likewise.
421 (nocona_cost): Likewise.
422 (generic64_cost): Likewise.
423 (generic32_cost): Likewise.
425 2006-03-24 Denis Chertykov <denisc@overta.ru>
427 * config/avr/avr-protos.h (extra_constraint): Delete.
428 (extra_constraint_Q): New declaration.
429 * config/avr/constraints.md: New file.
430 * config/avr/avr.md: Include it.
431 (REG_X, REG_Y, REG_Z, REG_W): New constants.
432 (TMP_REGNO, ZERO_REGNO): Likewise.
433 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
434 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
435 (extra_constraint): Delete.
436 (extra_constraint_Q): Test for memory constraint 'Q'.
437 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
438 (REG_CLASS_FROM_LETTER): Delete.
439 (CONST_OK_FOR_LETTER_P): Delete.
440 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
441 (EXTRA_CONSTRAINT): Delete.
443 (ZERO_REGNO): Delete.
445 2006-03-24 Jeff Law <law@redhat.com>
447 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
448 directly. Call mark_new_vars_to_rename slightly earlier.
450 2006-03-24 Geoffrey Keating <geoffk@apple.com>
452 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
454 (gen_compile_unit_die): Use new language types for Objective-C and
456 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
460 * config/t-darwin (crt3.o): Work around bug 26840.
461 * config/darwin-crt3.c: Rewrite.
462 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
464 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
466 * doc/invoke.texi: Document -femit-class-debug-always
467 * common.opt: Add -femit-class-debug-always.
469 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
471 * config/s390/s390.c (s390_decompose_address): Allow SImode for
472 index and base register.
473 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
474 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
475 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
476 REGNO_OK_FOR_INDEX_P.
477 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
479 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
480 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
481 REG_OK_FOR_BASE_P): Definitions removed.
483 2006-03-24 Jakub Jelinek <jakub@redhat.com>
486 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
487 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
488 set yet or weren't marked as local yet.
490 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
492 * regrename.c (scan_rtx_address): Initialize a variable to shut up
495 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
497 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
498 (rs6000_legitimate_small_data_p): Delete.
499 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
500 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
501 and make static. Add forward declaration. Update uses.
502 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
503 of offsettable_memref_p.
504 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
505 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
507 2006-03-24 Jeff Law <law@redhat.com>
509 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
510 around bug in immediate-use iterator.
512 2006-03-24 Alan Modra <amodra@bigpond.net.au>
515 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
516 or __LITTLE_ENDIAN__.
518 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
520 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
521 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
522 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
523 * config/sh/sh.opt (mdiv=): Amend description.
524 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
525 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
526 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
527 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
528 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
529 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
530 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
531 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
532 TARGET_DIVIDE_CALL_FP.
534 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
536 * haifa-sched.c (choose_ready): Fix type of the local variable.
537 Move local variables. Add comment.
538 (check_reg_live): Change signature. Make callable from debugger.
539 * sched-int.h (check_reg_live): Update signature.
540 * sched-ebb.c (check_reg_live): Update parameters.
541 * sched-rgn.c (check_reg_live): Ditto.
542 (region_head_or_leaf_p): Check pointer before dereferencing.
543 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
544 before reload on optimization levels below 1.
546 2006-03-23 Richard Henderson <rth@redhat.com>
548 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
552 * config/alpha/predicates.md (local_symbolic_operand): Reject
555 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
558 * tree-ssa-pre.c (create_value_expr_from): Don't reject
559 expressions which have overflowed constants.
561 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
563 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
565 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
567 * cfgloopmanip.c (create_loop_notes): Removed.
568 * final.c (final_scan_insn): Do not handle loop notes.
569 * jump.c (squeeze_notes): Ditto.
570 * cfglayout.c (skip_insns_after_block,
571 duplicate_insn_chain): Ditto.
572 * cfgcleanup.c (rest_of_handle_jump2): Do not call
574 * cfgloop.h (create_loop_notes): Declaration removed.
576 2006-03-23 Richard Sandiford <richard@codesourcery.com>
578 * varasm.c (output_constant_pool): Restore fnname and fndecl
580 (assemble_start_function): Adjust call accordingly.
581 (assemble_end_function): Likewise.
583 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
586 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
589 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
591 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
594 * system.h (ICE_EXIT_CODE): New macro.
595 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
596 (diagnostic_action_after_output): Likewise.
597 * gcc.c (fatal_ice): New function.
598 (execute): Use it instead of fatal.
599 (fancy_abort): Likewise.
600 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
602 2006-03-22 Jeff Law <law@redhat.com>
604 * loop-unroll.c (analyze_iv_to_split_insn): Handle
605 iv_analyze_result returning false.
607 2006-03-22 Jie Zhang <jie.zhang@analog.com>
609 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
611 2006-03-22 Richard Henderson <rth@redhat.com>
614 * except.c (duplicate_eh_regions_0): New.
615 (duplicate_eh_region_1): Duplicate the children of the node as
616 well as the node itself. Link them up properly.
617 (duplicate_eh_region_2): Merge into ...
618 (duplicate_eh_regions): ... here. Take copy_region argument, and
619 copy only a sub-tree if asked. Simplify copying and fixup.
620 (eh_region_outer_p): New.
621 * except.h (duplicate_eh_regions): Update decl.
622 (eh_region_outer_p): Declare.
623 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
624 (lower_omp_master): Likewise.
625 (lower_omp_ordered): Likewise.
626 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
627 (move_stmt_r): Use it to remap labels. Handle recursion vs
628 remap_decls_p properly.
629 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
630 (find_outermost_region_in_block): New.
631 (new_label_mapper): New.
632 (move_sese_region_to_fn): Copy eh information to the new function
634 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
636 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
639 2006-03-22 Richard Sandiford <richard@codesourcery.com>
641 * doc/md.texi (-mshared): Mention that -mshared code can be linked
642 into shared libraries.
644 2006-03-22 Richard Sandiford <richard@codesourcery.com>
646 * doc/md.texi: Refer to i386/constraints.md instead of
648 * config/i386/constraints.md: New file, extracted from...
649 * config/i386/predicates.md: ...here.
650 * config/i386/i386.md: Include constraints.md.
652 2006-03-21 Jason Merrill <jason@redhat.com>
654 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
657 * expr.c (init_block_move_fn): Force default visibility.
658 (init_block_clear_fn): Likewise.
659 * builtins.c (expand_builtin_fork_or_exec): Likewise.
660 * targhooks.c (default_external_stack_protect_fail): Likewise.
662 2006-03-21 Richard Sandiford <richard@codesourcery.com>
664 * config/mips/predicates.md (const_call_insn_operand): Allow direct
665 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
666 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
667 Use TARGET_OLDABI instead of !TARGET_NEWABI.
668 (loadgp): Use mips_current_loadgp_style.
669 (loadgp_noshared): New pattern.
670 (sibcall_internal): Use MIPS_CALL.
671 (sibcall_value_internal): Likewise.
672 (sibcall_value_multiple_internal): Likewise.
673 (call_internal): Likewise.
674 (call_value_internal): Likewise.
675 (call_value_multiple_internal): Likewise.
676 (call_split): Use MIPS_CALL and add an 'S' constraint.
677 (call_value_split): Likewise.
678 (call_value_multiple_split): Likewise.
679 * config/mips/mips.opt (-mabicalls): Tweak docstring.
680 (-mshared): New option.
681 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
682 (mips_current_loadgp_style): Declare.
683 * config/mips/mips.c (mips_classify_symbol): Avoid using
684 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
685 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
686 TARGET_ABSOLUTE_ABICALLS.
687 (override_options): Adjust comments. Improve the warning that is
688 issued when -mabicalls and -G are used together.
689 (mips_file_start): Remove comment.
690 (mips_current_loadgp_style): New function.
691 (mips_gnu_local_gp): New variable.
692 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
694 (mips_output_function_prologue): Use mips_current_laodgp_style.
695 (mips_expand_prologue): Call mips_emit_loadgp before emitting
696 the cprestore instruction.
697 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
698 live for TARGET_ABSOLUTE_ABICALLS.
699 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
700 (ASM_SPEC): Pass down -mshared and -mno-shared.
701 (MIPS_CALL): New macro.
702 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
704 * doc/invoke.texi (-mabicalls): Update documentation.
705 (-mshared): Document.
707 2006-03-21 Steve Ellcey <sje@cup.hp.com>
709 * config/ia64/unwind-hpux.c: New file.
710 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
712 2006-03-21 Steve Ellcey <sje@cup.hp.com>
715 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
717 2006-03-21 Jeff Law <law@redhat.com>
719 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
720 type conversions of a VR_VARYING source to a wider type.
722 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
724 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
725 tm_file on Solaris 10 and later.
726 (sparc64-*-solaris2*): Likewise.
727 (sparc-*-solaris2*): Likewise.
728 * config/sol26.h: Rename to config/sol2-6.h.
729 * config/sol2-10.h: New file.
731 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
734 * tree-ssa-pre.c (create_component_ref_by_pieces):
737 2006-03-21 Jakub Jelinek <jakub@redhat.com>
740 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
741 return it immediately.
743 2006-03-21 Michael Matz <matz@suse.de>
745 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
747 (remove_arc, add_arc): Update num_out_arcs member.
748 (set_out_arc_insns_equiv_num): Returns nothing instead of number
750 (cache_presence): New function.
751 (compare_states_for_equiv): New function.
752 (state_is_differed): Don't take number of outargs, adjust callers.
753 Use new invariant for speeding up.
754 (init_equiv_class): Create initial classes based on sorted
756 (partition_equiv_class): Don't track out_arcs_num.
757 (evaluate_equiv_classes): Call cache_presence on all states and
760 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
762 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
763 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
764 (bfin_valid_reg_p): Test for pseudos explicitly and use only
765 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
767 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
768 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
769 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
770 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
771 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
773 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
774 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
775 (REGNO_REG_CLASS): ARGP is in PREGS.
776 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
778 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
779 to deal with those addresses.
780 * addresses.h: New file.
781 * caller-save.c: Include "addresses.h".
782 (init_caller_save): Use new base_reg_class function.
783 * rtl-factoring.c: Include "addresses.h".
784 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
785 * recog.c: Include "addresses.h".
786 (preprocess_constraints): Use new base_reg_class function.
787 * regrename.c: Include "addresses.h".
788 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
789 functions. Keep track of a new var INDEX_CODE to compute valid
791 (replace_oldest_value_addr): Likewise.
792 (replace_oldest_value_mem): Use base_reg_class.
793 * reload.c: Include "addresses.h".
794 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
795 (find_reloads): Use new base_reg_class function.
796 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
797 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
798 all callers and prototype changed.
799 * reload1.c: Include "addresses.h".
800 (maybe_fix_stack_asms): Use base_reg_class.
801 * regclass.c: Include "addresses.h".
802 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
803 (init_reg_autoinc): Use new base_reg_class function.
804 (record_reg_classes): Likewise.
805 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
806 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
807 Use new args to compute necessary class.
809 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
810 regrename.o, rtl-factoring.o): Update dependencies.
811 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
812 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
813 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
814 REG_OK_FOR_INDEX_P): Delete documentation.
816 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
818 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
819 from V7 to V9 for Solaris 7 and above.
821 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
823 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
824 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
825 argument pointers may not alias any other storage.
826 * common.opt: Define option -fargument-noalias-anything.
827 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
828 alias semantics is specified by flag_argument_noalias > 2.
830 2006-03-20 Jeff Law <law@redhat.com>
832 * tree-pass.h (pass_phi_only_copy_prop): Delete.
833 (pass_phi_only_cprop): Declare.
834 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
836 * tree-ssa-dom.c (degenerate_phi_result): New function.
837 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
838 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
839 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
840 (eliminate_degenerate_phis): Likewise.
841 (pass_phi_only_cprop): New pass descriptor.
842 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
843 support code. Callers updated.
844 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
845 (store_copy_prop): Likewise.
846 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
848 2006-03-20 Jason Merrill <jason@redhat.com>
851 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
852 (push_visibility, pop_visibility): Likewise.
853 * c-pragma.h: Declare them.
855 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
857 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
859 * config/sh/sh.c (find_regmode_weight): Change the type of the first
860 parameter and use get_ebb_head_tail.
861 (sh_md_init_global): Adjust uses of find_regmode_weight.
863 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
865 * function.h (struct function) <x_tail_recursion_reentry>:
866 Rename to x_stack_check_probe_note.
867 (tail_recursion_reentry): Rename to stack_check_probe_note.
868 * function.c: Replace tail_recursion_reentry with
869 stack_check_probe_note everywhere.
870 (expand_function_start): Only emit a note for
871 stack_check_probe_note with -fstack-protect.
872 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
874 * emit-rtl.c (remove_unnecessary_notes): Remove.
875 (pass_remove_unnecessary_notes): Remove.
876 * rtl.h (remove_unnecessary_notes): Remove prototype.
877 * final.c (final_start_function): Don't call remove_unnecessary_notes.
878 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
879 * passes.c (pass_remove_unnecessary_notes): Don't run it.
881 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
884 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
885 (valid_in_set): Handle ARRAY_REF.
886 Change "if min_variant or VH" to asserts.
887 (create_component_ref_by_pieces): Handle ARRAY_REF.
888 (create_expression_by_pieces): Likewise.
889 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
891 2006-03-20 David Edelsohn <edelsohn@gnu.org>
893 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
894 is operand of switch, not str[0].
896 2006-03-20 Alan Modra <amodra@bigpond.net.au>
898 * config/rs6000/rs6000.c (rs6000_handle_option): Use
899 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
901 2006-03-19 David Edelsohn <edelsohn@gnu.org>
903 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
904 end of insn_extra_address_constraint declaration.
906 2006-03-19 David Edelsohn <edelsohn@gnu.org>
908 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
909 (no-sum-in-toc): Same.
910 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
912 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
913 NO_FP_IN_TOC for -fPIC instead of mask.
915 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
916 (BOOT_LDFLAGS): Delete.
918 * config/rs6000/t-aix52: Same.
920 * config/rs6000/rs6000.md (store_multiple_power): Delete.
921 (stmsi[345678]_power): New.
923 2006-03-17 Steve Ellcey <sje@cup.hp.com>
925 * config/ia64/ia64.opt: Add empty line to end of file.
927 2006-03-17 Richard Guenther <rguenther@suse.de>
930 * builtins.c (get_pointer_alignment): For component style references
931 adjust alignment to the component type alignment. Make sure
932 to adjust alignment for component access of constants.
934 2006-03-17 David Edelsohn <edelsohn@gnu.org>
936 * config/rs6000/rs6000.md (strlensi): Emit barrier after
939 2006-03-17 Paul Brook <paul@codesourcery.com>
941 * doc/install.texi: Docuemnt --with-mode.
942 * config.gcc: Add --with-mode for arm*-*-*.
943 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
945 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
947 * sh.c (max_labelno_before_reorg): New variable.
948 (sh_reorg): Initialize it.
949 (find_barrier): Check max_labelno_before_reorg before using
950 label_to_alignment. Take length of explicit alignment insns
951 into account. When seeing a UNSPECV_CONST_END, return it.
953 * sh.c (fixup_mova): Set mode of affected label to QImode.
954 (untangle_mova): New function.
955 (find_barrier): Use it. Check mode of label before decrementing
957 (sh_reorg): Likewise.
958 Set mode of all insns back to VOIDmode.
960 * sh.c (MOVA_LABELREF): New macro.
961 (mova_p, fixup_mova, sh_reorg): Use it.
962 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
963 ADDR_DIFF_VEC matches mova.
965 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
967 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
968 with ATTRIBUTE_UNUSED.
970 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
972 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
973 pointer, instead of assuming it is possible to derive the
974 correct args size from a call insn.
976 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
978 * rtl.h (CONST_INT_P): Define.
979 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
980 instead of GET_CODE(x) == CONST_INT.
981 (vax_rtx_costs): Likewise.
982 (vax_output_int_move): Likewise.
983 (vax_output_int_add): Likewise.
984 (legitimate_constant_address_p): Likewise.
985 (index_term_p): Likewise.
986 * config/vax/vax.h (PRINT_OPERAND): Likewise.
987 * config/vax/vax.md (and<mode>3): Likewise.
990 (movstricthi): Likewise.
991 (movstrictqi): Likewise.
993 (five unnamed insns): Likewise.
995 2006-03-16 Geoffrey Keating <geoffk@apple.com>
997 * doc/tm.texi (SDB and DWARF): Add extra parameter to
998 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
999 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1000 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1001 Pass to ASM_OUTPUT_DWARF_OFFSET.
1002 * dwarf2out.c (debug_frame_section): New.
1003 (output_call_frame_info): Use debug_frame_section. Pass it to
1004 dw2_asm_output_offset.
1005 (output_die): Pass appropriate section to dw2_asm_output_offset.
1006 (output_compilation_unit_header): Likewise.
1007 (output_pubnames): Likewise.
1008 (output_aranges): Likewise.
1009 (enum dw_val_class): Break dw_val_class_lbl_offset into
1010 dw_val_class_lineptr and dw_val_class_macptr.
1011 (add_AT_lbl_offset): Delete.
1012 (add_AT_lineptr): New.
1013 (add_AT_macptr): New.
1014 (AT_lbl): Expect a lineptr or macptr.
1015 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1016 (attr_checksum): Likewise.
1017 (same_dw_val_p): Likewise.
1018 (size_of_die): Likewise.
1019 (value_format): Likewise.
1020 (output_die): Likewise.
1021 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1023 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1024 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1025 * config/darwin-protos.h (darwin_file_start): New.
1026 (darwin_asm_output_dwarf_offset): New.
1027 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1028 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1030 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1031 if not EH section; simplify.
1032 (darwin_file_start): New.
1033 (darwin_asm_output_dwarf_offset): New.
1034 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1036 (DEBUG_INFO_SECTION): Likewise.
1037 (DEBUG_ABBREV_SECTION): Likewise.
1038 (DEBUG_ARANGES_SECTION): Likewise.
1039 (DEBUG_MACINFO_SECTION): Likewise.
1040 (DEBUG_LINE_SECTION): Likewise.
1041 (DEBUG_LOC_SECTION): Likewise.
1042 (DEBUG_PUBNAMES_SECTION): Likewise.
1043 (DEBUG_STR_SECTION): Likewise.
1044 (DEBUG_RANGES_SECTION): Likewise.
1045 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1046 (ASM_OUTPUT_DWARF_OFFSET): New.
1048 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1050 * config.gcc (tm_defines): Always add to previous value rather
1053 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1055 * config/mips/predicates.md (splittable_const_int_operand): New,
1056 split from move_operand.
1057 (splittable_symbolic_operand): New.
1058 (move_operand): Add commentary. Use splittable_const_int_operand.
1059 Inline mips_atomic_symbolic_constant_p.
1060 * config/mips/mips.md: Add combine splitters for handling moves
1061 of splittable_const_int_operands and splittable_symbolic_operands.
1062 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1063 (mips_split_symbol): Declare.
1064 (mips_move_integer): Declare.
1065 * config/mips/mips.c (mips_split_p): Make global.
1066 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1067 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1068 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1069 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1070 (mips_offset_within_object_p): Handle block symbols.
1071 (mips_atomic_symbolic_constant_p): Delete.
1072 (mips_cannot_force_const_mem): Return false for constants that
1073 mips_legitimize_move can handle.
1074 (mips_use_blocks_for_constant_p): New function.
1075 (mips_split_symbol): Make global.
1076 (mips_move_integer): Likewise. Add a temporary register argument.
1077 (mips_legitimize_const_move): Use splittable_const_int_operand and
1078 splittable_symbolic_operand.
1079 (mips_use_anchors_for_symbol_p): New function.
1080 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1081 (mips_split_p): Declare.
1083 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1085 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1086 (mips*-*-linux*): Likewise.
1088 2006-03-16 Roger Sayle <roger@eyesopen.com>
1089 Daniel Speyer <dspeyer@wam.umd.edu>
1092 * tree-dump.c (dump_real): New function.
1093 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1094 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1095 (tree-dump.o): Add $(REAL_H) to the dependencies.
1097 2006-03-16 Roger Sayle <roger@eyesopen.com>
1100 * real.c (real_from_string): If the mantissa is zero, don't bother
1101 parsing the exponent as the result should always be zero.
1103 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1105 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1107 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1109 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1110 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1111 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1112 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1113 ia64_sched_finish_global): New static functions to implement
1114 hooks from gcc_target.sched.
1115 (spec_check_no, max_uid, pending_data_specs): New static variables.
1116 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1117 ia64_spec_check_src_p): New static functions.
1118 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1119 (TARGET_SCHED_ADJUST_COST): Removed.
1120 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1121 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1122 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1123 TARGET_SCHED_GEN_CHECK,
1124 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1125 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1126 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1127 Fixed to handle speculation checks.
1128 (rtx_needs_barrier): Fixed to handle speculative loads and
1130 (ia64_variable_issue): Added code to count speculative loads and their
1132 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1134 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1136 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1138 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1139 (ia64_reorg): Reset stops_p to NULL after it is freed.
1140 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1141 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1142 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1144 (data_speculative, control_speculative, check_load): New attributes.
1145 (mov<mode>_advanced, mov<mode>_speculative,
1146 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1147 zero_extend<mode>di2_speculative,
1148 zero_extend<mode>di2_speculative_advanced): New patterns for
1149 data and control speculative loads.
1150 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1152 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1153 New pattern for data and control speculation checks.
1154 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1155 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1156 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1157 Auxiliary definitions for the patterns.
1158 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1159 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1161 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1163 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1164 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1165 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1166 New resource constraints.
1167 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1169 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1170 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1171 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1172 msched-in-control-spec, msched-ldc, msched-control-ldc,
1173 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1174 msched-prefer-non-control-spec-insns,
1175 msched-count-spec-in-critical-path): New flags to tune speculative
1177 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1178 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1179 msched-in-control-spec, msched-ldc, msched-control-ldc,
1180 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1181 msched-prefer-non-control-spec-insns,
1182 msched-count-spec-in-critical-path): Document new flags.
1184 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1186 * target.h (struct spec_info_def): New opaque declaration.
1187 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1188 speculate_insn, needs_block_p, gen_check,
1189 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1190 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1191 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1192 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1193 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1194 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1196 (TARGET_SCHED): Use new macros.
1197 * rtl.h (copy_DEPS_LIST_list): New prototype.
1198 * sched-int.h (struct sched_info): Change signature of new_ready field,
1199 adjust all initializations. New fields: add_remove_insn,
1200 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1201 region_head_or_leaf_p.
1202 (struct spec_info_def): New structure declaration.
1203 (spec_info_t): New typedef.
1204 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1205 recovery_block, orig_pat.
1206 (glat_start, glat_end): New variables declaraions.
1207 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1209 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1210 DETACH_LIFE_INFO, USE_GLAT.
1211 (enum SPEC_SCHED_FLAGS): New enumeration.
1212 (NOTE_NOTE_BB_P): New macro.
1213 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1214 attach_life_info, debug_spec_status, check_reg_live): New functions.
1215 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1216 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1218 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1219 * ddg.c (get_block_head_tail): Adjust all uses.
1220 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1221 (sms_sched_info): Initialize new fields.
1222 (contributes_to_priority): Removed.
1223 * haifa-sched.c (params.h): New include.
1224 (get_block_head_tail): Adjust all uses.
1225 (ISSUE_POINTS): New macro.
1226 (glat_start, glat_end): New global variables.
1227 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1228 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1229 old_last_basic_block, before_recovery, current_sched_info_var,
1230 rgn_n_insns, luid): New static variables.
1231 (insn_cost1): New function. Move logic from insn_cost to here.
1232 (find_insn_reg_weight1): New function. Move logic from
1233 find_insn_reg_weight to here.
1234 (reemit_notes, move_insn, max_issue): Change signature.
1235 (move_insn1): Removed.
1236 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1237 extend_bb): New static functions to support extension of scheduler's
1239 (generate_recovery_code, process_insn_depend_be_in_spec,
1240 begin_speculative_block, add_to_speculative_block,
1241 init_before_recovery, create_recovery_block, create_check_block_twin,
1242 fix_recovery_deps): New static functions to support
1243 generation of recovery code.
1244 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1245 restore_bb_notes, move_block_after_check, move_succs): New static
1246 functions to support ebb scheduling.
1247 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1248 functions to support handling of register live information.
1249 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1250 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1251 add_jump_dependencies): New static functions.
1252 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1253 consistancy checking.
1254 (debug_spec_status): New function to call from debugger.
1255 (priority): Added code to handle speculation checks.
1256 (rank_for_schedule): Added code to distinguish speculative instructions.
1257 (schedule_insn): Added code to handle speculation checks.
1258 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1259 Fixed to handle ebbs.
1260 (move_insn): Added code to handle ebb scheduling.
1261 (max_issue): Added code to use ISSUE_POINTS of instructions.
1262 (choose_ready): Added code to choose between speculative and
1263 non-speculative instructions.
1264 (schedule_block): Added code to handle ebb scheduling and scheduling of
1265 speculative instructions.
1266 (sched_init): Initialize new variables.
1267 (sched_finish): Free new variables. Print statistics.
1268 (try_ready): Added code to handle speculative instructions.
1269 * lists.c (copy_DEPS_LIST_list): New function.
1270 * sched-deps.c (extend_dependency_caches): New function. Move logic
1271 from create_dependency_caches to here.
1272 (get_dep_weak, ds_merge): Make global.
1273 * genattr.c (main): Code to output prototype for
1274 dfa_clear_single_insn_cache.
1275 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1276 (output_dfa_clean_insn_cache_func): Code to output
1277 dfa_clear_single_insn_cache function.
1278 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1280 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1282 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1283 New static variables.
1284 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1285 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1287 (ebb_sched_info): Initialize new fields.
1288 (get_block_head_tail): Adjust all uses.
1289 (compute_jump_reg_dependencies): Fixed to use glat_start.
1290 (schedule_ebb): Code to remove unreachable last block.
1291 (schedule_ebbs): Added code to update register live information.
1292 * sched-rgn.c (region_sched_info): Initialize new fields.
1293 (get_block_head_tail): Adjust all uses.
1294 (last_was_jump): Removed. Adjust users.
1295 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1296 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1297 Implement new hooks.
1298 (check_dead_notes1): New static function.
1299 (struct region): New fields: dont_calc_deps, has_real_ebb.
1300 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1301 (BB_TO_BLOCK): Fixed to handle EBBs.
1302 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1303 (ebb_head): New static variable.
1304 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1305 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1307 (compute_dom_prob_ps): New assertion.
1308 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1309 global_live_at_start.
1310 (init_ready_list): New assertions.
1311 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1312 (new_ready): Add support for BEGIN_CONTROL speculation.
1313 (schedule_insns): Fixed code that updates register live information
1315 (schedule_region): Fixed to handle EBBs.
1316 (init_regions): Use extend_regions and check_dead_notes1.
1317 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1318 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1319 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1320 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1321 TARGET_SCHED_GEN_CHECK,
1322 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1323 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1324 * doc/invoke.texi (max-sched-insn-conflict-delay,
1325 sched-spec-prob-cutoff): Document.
1327 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1329 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
1330 inter_tick, queue_index.
1331 (struct sched_info): Change signature of init_ready_list field.
1332 Adjust all initializations.
1333 (RESOLVED_DEPS): New access macro.
1334 (ready_add): Remove prototype.
1335 (try_ready): Add prototype.
1336 * sched-rgn.c (init_ready_list): Use try_ready.
1337 (schedule_region): Initialize
1338 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
1339 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
1340 (init_ready_list): Use try_ready.
1341 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
1342 * lists.c (remove_list_elem): Remove `static'.
1343 (remove_free_INSN_LIST_elem): New function.
1344 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
1345 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
1346 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
1348 (readyp): New variable.
1349 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
1350 change_queue_index, resolve_dep): New static functions.
1351 (try_ready): New function. Adjust callers in sched-rgn.c and
1352 sched-ebb.c to use it instead of ready_add.
1353 (clock_var): Move at the begining of file.
1354 (rank_for_schedule): Fix typo.
1355 (queue_insn): Add assertion. Handle QUEUE_INDEX.
1356 (ready_lastpos): Enforce assertion.
1357 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
1359 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
1360 (schedule_insn): Rewrite to use try_ready and resolve_dep.
1361 (queue_to_ready): Use free_INSN_LIST_list.
1362 (early_queue_to_ready): Fix typo.
1363 (schedule_block): Init readyp. Move init_ready_list call after the
1364 initialization of clock_var. Fix error in rejecting insn by
1365 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
1366 that previously corrected INSN_TICKs. Add code for handling
1368 (set_priorities): Fix typo.
1369 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
1370 Clarify comment and code that keeps current_sched_info->next_tail
1373 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1375 * sched-rgn.c (extend_rgns): New static function.
1376 (find_rgns): Use it.
1377 (gather_region_statistics, print_region_statistics): New static
1379 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
1380 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1382 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1383 Andrey Belevantsev <abel@ispras.ru>
1385 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
1386 * lists.c (unused_deps_list): New variable.
1387 (free_list): Add assertions to verify the proper distinguishing
1388 between INSN_LISTs and DEPS_LISTs.
1389 (find_list_elem, remove_list_elem, remove_list_node): New static
1391 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
1392 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
1393 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
1394 (alloc_INSN_LIST): Assert that the list we're working on is indeed
1396 (free_INSN_LIST_node): Likewise.
1397 * modulo-sched.c (current_sched_info): Initialize flags field.
1398 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
1399 * rtl.def (DEPS_LIST): Define.
1400 * rtl.h: Declare new functions from lists.c.
1401 * sched-deps.c (spec_dependency_cache): New static variable.
1402 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
1403 (add_dependence): Change return type to void. Move the logic to ...
1404 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
1405 (delete_all_dependences): Add comment about forward_dependency_cache.
1406 Handle spec_dependency_cache. Handle DEPS_LISTs.
1407 (fixup_sched_groups): Clarify the change of priority of output
1408 and anti dependencies.
1409 (sched_analyze_2): Adjust add_dependence calls to create data
1410 speculative dependence.
1411 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
1412 Adjust all callers. Handle DEPS_LISTS.
1413 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
1414 presence of speculation.
1415 (init_dependency_caches, free_dependency_caches):
1416 Handle spec_dependency_cache.
1417 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
1418 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
1419 New static functions.
1420 (add_or_update_back_dep, add_or_update_back_forw_dep,
1421 add_back_forw_dep, delete_back_forw_dep): New functions.
1422 * sched-int.h (ds_t, dw_t): New typedefs.
1423 (struct sched_info): Add new field flags.
1424 (struct haifa_insn_data): Add new bitfield has_internal_dep.
1425 Prototype new sched-deps.c functions.
1426 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
1427 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
1428 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
1429 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
1430 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
1431 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
1433 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
1435 * sched-rgn.c (current_sched_info): Initialize flags field.
1436 (schedule_insns): Initialize current_sched_info before the sched_init
1438 * sched-ebb.c (current_sched_info): Initialize flags field.
1439 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
1440 Call add_or_update_back_dep instead of add_dependence.
1441 Create control speculative dependencies.
1442 (schedule_insns): Initialize current_sched_info before the sched_init
1445 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
1447 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
1449 (sh_fallback_frame_state): Likewise.
1451 2006-03-15 Geoffrey Keating <geoffk@apple.com>
1453 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
1454 Do switch on default_use_cxa_atexit.
1455 (powerpc*-*-darwin*): Build crt2.o on powerpc.
1456 * config/darwin-crt3.o: New.
1457 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
1458 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
1459 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
1461 * config/rs6000/t-darwin: Move crt2.o building to here.
1462 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
1463 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
1466 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1468 * config/vax/vax.c (nonindexed_address_p): Change logical negation
1469 from '! xxx' to '!xxx' for coding-style conformance.
1470 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
1471 (EXTRA_CONSTRAINT): Likewise.
1472 * config/vax/vax.md (four unnamed insns): Likewise.
1474 2006-03-15 Paul Brook <paul@codesourcery.com>
1476 * config/arm/arm.c (minipool_pad): New.
1477 (add_minipool_forward_ref): Include pool alignment padding in address
1479 (push_minipool_fix): Set minipool_pad.
1480 (minipool_pad): Ditto.
1482 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1484 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
1485 instead of GET_CODE() == MEM and REG_P() instead of
1487 (print_operand_address): Likewise.
1488 (vax_address_cost): Likewise.
1489 (vax_rtx_costs): Likewise.
1490 (vax_notice_update_cc): Likewise.
1491 (vax_output_int_add): Likewise.
1492 (INDEX_REGISTER_P): Likewise.
1493 (BASE_REGISTER_P): Likewise.
1494 (nonindexed_address_p): Likewise.
1495 (vax_mode_dependent_address_p): Likewise.
1496 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
1497 (PRINT_OPERAND): Likewise.
1498 * config/vax/vax.md (ashlsi3): Likewise.
1499 (ashlsi3): Likewise.
1500 (some more unnamed insns): Likewise.
1502 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
1504 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
1505 iterator-style macro.
1506 (mark_control_dependent_edges_necessary): Update the use of
1507 EXECUTE_IF_CONTROL_DEPENDENT.
1509 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
1511 * config/sh/predicates.md (cache_address_operand): Special.
1512 (ua_address_operand): Likewise.
1514 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
1516 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
1518 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
1520 2006-03-15 Andreas Schwab <schwab@suse.de>
1522 * gensupport.c (identify_predicable_attribute): Don't free p_false
1523 when it is still in use.
1525 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1527 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
1528 the default setting here.
1530 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
1532 * tree-pass.h (pass_cfg): Remove.
1533 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
1534 * passes.c (pass_cfg): Don't run it.
1536 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
1538 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
1539 * reg-stack.c (stack_regs_mentioned_data): Change the type to
1541 (stack_regs_mentioned): Update the uses of
1542 stack_regs_mentioned_data. Don't access the array beyond its
1544 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
1545 Don't include gt-reg-stack.h.
1547 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
1548 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
1550 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
1553 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
1556 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1558 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
1560 2006-03-14 Richard Guenther <rguenther@suse.de>
1562 PR tree-optimization/26672
1563 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
1566 2006-03-14 Richard Guenther <rguenther@suse.de>
1568 PR tree-optimization/26667
1569 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
1570 node for the callees. Always allow inlining if it will shrink
1573 2006-03-14 Richard Guenther <rguenther@suse.de>
1576 * builtins.c (get_pointer_alignment): Prefer alignment
1577 information from decls over that from types.
1579 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
1582 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
1584 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
1586 * config/rs6000/rs6000.opt (mdlmzb): New option.
1587 (msched-prolog, msched-epilog): Use Var not Mask.
1588 * doc/invoke.texi (-mdlmzb): Document.
1589 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1591 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
1592 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
1594 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
1596 PR rtl-optimization/25739
1597 * bt-load.c (augment_live_range): Free tos pointer.
1599 * gensupport.c (identify_predicable_attribute): Free
1601 * gcov.c (create_file_names): Free name pointer.
1603 2006-03-13 Roger Sayle <roger@eyesopen.com>
1606 * stmt.c (emit_case_nodes): Handle the case where the index is a
1607 CONST_INT, where the comparison mode is specified by the index type.
1609 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1611 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
1614 2006-03-13 Richard Sandiford <richard@codesourcery.com>
1616 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
1617 (*branch_fp_inverted): Likewise.
1619 2006-03-13 Jakub Jelinek <jakub@redhat.com>
1622 * omp-low.c (expand_omp_for_generic): Mark istart0
1623 and iend0 as addressable.
1625 2006-03-13 Jie Zhang <jie.zhang@analog.com>
1627 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
1629 2006-03-13 Jeff Law <law@redhat.com>
1631 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
1632 virtual operands are interesting.
1633 (vrp_visit_stmt): Corresponding changes.
1635 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
1637 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
1639 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
1640 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
1641 * config/bfin/crti.S: Use it instead of __PIC__.
1642 * config/bfin/crtn.S: Likewise.
1644 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
1645 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
1647 Lose 'G' modifier for call operand.
1648 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
1649 recognize 'G' modifier.
1651 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
1654 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
1655 * stmt.c (expand_case): Likewise.
1657 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1659 PR rtl-optimization/26254
1660 * loop-invariant.c (seq_insns_valid_p): New function.
1661 (move_invariant_reg): Only emit new code if it is valid.
1663 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1665 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
1667 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
1668 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
1669 (commit_one_edge_insertion): Do not look for loop notes.
1671 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1673 * jump.c (follow_jumps): Do not check for loop notes. Move check for
1674 flag_test_coverage out of loop.
1676 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1678 * final.c (shorten_branches): Remove outdated comment, and turn
1679 the if branch that guards it to continue.
1681 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1683 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
1684 * cfgloop.h (struct loop): Remove unused fields.
1686 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
1688 * doc/invoke.texi (-fdump-rtl-loop): Remove.
1689 (-dL, -fdump-rtl-loop2): Update the dump file names
1691 * doc/invoke.texi: Update dump file names.
1693 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
1695 * predict.c (estimate_probability): Remove.
1696 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
1697 * basic-block.h (estimate_probability): Remove prototype.
1698 * passes.c (finish_optimization_passes): Dump branch prediction or
1699 profiling heuristics to the .profile tree dump.
1700 (init_optimization_passes): Unqueue pass_branch_prob.
1702 * doc/invoke.texi (-fdump-rtl-bp): Remove.
1704 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1706 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
1707 * rtl.h (LABEL_NEXTREF): Remove field accessor.
1709 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
1711 * function.h (frame_offset_overflow): Declare.
1712 * function.c (frame_offset_overflow): New function.
1713 (assign_stack_local_1): Call it to detect that the offset overflows.
1714 * cfgexpand.c (alloc_stack_frame_space): Likewise.
1716 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1718 * config/sh/sh.c: Include alloc-pool.h.
1719 (label_ref_list_pool): New alloc pool.
1720 (label_ref_list_t): New type for lists of labels.
1721 (struct pool_node): Make wend a label_ref_list_t.
1722 (add_constant): Use the new type, eradicate LABEL_NEXTREF
1724 (dump_table): Likewise.
1725 (sh_reorg): Set up the alloc pool before using add_constant and
1726 dump_table, and destroy it when finishing.
1728 2006-03-11 Richard Sandiford <richard@codesourcery.com>
1730 * config/mips/mips.c: Remove redundant comment.
1732 2006-03-10 Jason Merrill <jason@redhat.com>
1735 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
1736 the target was declared 'register'.
1738 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
1740 * genpreds.c (write_insn_constraint_len): Change definition of
1741 insn_constraint_len to return size_t to match the declaration.
1743 2006-03-10 DJ Delorie <dj@redhat.com>
1745 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
1747 (m32c_expand_insv): Fix test for an AND mask.
1749 2006-03-10 Richard Guenther <rguenther@suse.de>
1752 * builtins.c (get_pointer_alignment): Handle component
1753 references for field alignment.
1755 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1757 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
1758 when building with libgloss.
1759 (sh*elf): Implement --without-fp option.
1760 (sh64-superh-linux*): Don't multilib.
1762 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1764 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
1766 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
1768 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
1769 Set it when one of the replacement functions returned true.
1770 Return TODO_cleanup_cfg if cfgchanged is true.
1771 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
1773 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
1775 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
1776 instead of gen_lowpart.
1778 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1780 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
1782 (mips_output_order_conditional_branch): Declare.
1783 * config/mips/mips.h (MIPS_BRANCH): New macro.
1784 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
1785 for the comparison. Use gen_condjump.
1786 (mips_output_conditional_branch): Rework interface to take the
1787 asm templates for a direct branch and the inverse of a direct branch.
1788 (mips_output_order_conditional_branch): New function.
1789 (mips_builtin_branch_and_move): New function.
1790 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
1791 branch condition. Use gen_single_cc as the condition for
1792 __builtin_mips_upper_* or __builtin_mips_lower_*.
1793 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
1794 Use VOIDmode for the branch condition.
1795 * config/mips/predicates.md (order_operator): New predicate.
1796 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
1797 (branch_fp): Rename to...
1798 (*branch_fp): ...this. Remove mode from comparison operator.
1799 Use new mips_output_conditional_branch interface.
1800 (branch_fp_inverted): Rename to...
1801 (*branch_fp_inverted): ...this and update as for *branch_fp.
1802 (*branch_zero<mode>): Rename to...
1803 (*branch_order<mode>): ...this. Remove mode from comparison operator.
1804 Use mips_output_order_conditional_branch. Only accept ordered
1806 (*branch_zero<mode>_inverted): Rename to...
1807 (*branch_order<mode>_inverted): ...this and update as for
1808 *branch_order<mode>.
1809 (*branch_equality<mode>): Accept zero as the second operand to
1810 the equality operator. Use the new mips_output_conditional_branch
1812 (*branch_equality<mode>_inverted): Likewise.
1813 (condjump): New expander.
1814 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
1816 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
1817 (bc1any2t, bc1any2f): Likewise.
1818 (single_cc): New expander.
1819 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
1821 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1823 * doc/md.texi: Update documentation of MIPS constraints.
1824 * config/mips/constraints.md: New file.
1825 * config/mips/mips.md: Include it.
1826 * config/mips/mips.c (mips_char_to_class): Delete.
1827 (override_options): Don't initialize mips_char_to_class.
1828 * config/mips/mips.h (mips_char_to_class): Delete.
1829 (REG_CLASS_FROM_LETTER): Delete.
1830 (CONST_OK_FOR_LETTER_P): Delete.
1831 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1832 (EXTRA_CONSTRAINT_Y): Delete.
1833 (EXTRA_CONSTRAINT_STR): Delete.
1834 (CONSTRAINT_LEN): Delete.
1835 (EXTRA_MEMORY_CONSTRAINT): Delete.
1837 2006-03-09 Diego Novillo <dnovillo@redhat.com>
1839 * tree-cfg.c (move_block_to_fn): Remove the statements from the
1840 original fn's eh regions.
1842 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
1844 * fold-const.c (build_range_check): Make sure to use a valid type to
1845 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
1848 (range_predecessor): New static function.
1849 (range_successor): Likewise.
1850 (merge_ranges): Use them to compute predecessors and successors of
1853 2006-03-09 Roger Sayle <roger@eyesopen.com>
1856 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
1857 X op C3, consider whether C3 overflows towards +Inf or -Inf.
1859 2006-03-08 DJ Delorie <dj@redhat.com>
1861 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
1862 (addpsi3): Expand to include memory operands. Remove
1863 reload-specific splits.
1864 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
1865 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
1866 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
1867 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
1868 (shift1_qi, shift1_hi, insv): New.
1869 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
1870 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
1871 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
1873 * config/m32c/m32c-protos.h: Update as needed.
1874 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
1875 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
1876 Fail for unrecognized R* constraints.
1877 (m32c_cannot_change_mode_class): Be more picky about pseudos.
1878 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
1879 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
1881 (m32c_init_libfuncs): New.
1882 (m32c_legitimate_address_p): Add debug wrapper.
1883 (m32c_rtx_costs): New.
1884 (m32c_address_cost): New.
1885 (conversions): Add 'B' prefix.
1886 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
1887 operands, or word regnames for QI operands. 'B' prints bit
1889 (m32c_expand_setmemhi): New.
1890 (m32c_expand_movmemhi): New.
1891 (m32c_expand_movstr): New.
1892 (m32c_expand_cmpstr): New.
1893 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
1894 (m32c_expand_neg_mulpsi3): Handle non-ints.
1895 (m32c_cmp_flg_0): New.
1896 (m32c_expand_movcc): New.
1897 (m32c_expand_insv): New.
1898 (m32c_scc_pattern): New.
1899 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
1900 a0/a1 out of SIregs.
1901 (STORE_FLAG_VALUE): New.
1902 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
1905 * config/m32c/mov.md: Make constraints more liberal.
1906 (zero_extendqihi2): Optimize r0/r1 case.
1907 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
1908 * config/m32c/predicates.md (m32c_any_operand): New.
1909 (m32c_nonimmediate_operand): New.
1910 (m32c_hl_operand): New.
1911 (m32c_r3_operand): New.
1914 (memsym_operand): New.
1915 (memimmed_operand): New.
1916 (a_qi_operand): New.
1917 (m32c_eqne_operator): New.
1918 (m32c_1bit8_operand): New.
1919 (m32c_1bit16_operand): New.
1920 (m32c_1mask8_operand): New.
1921 (m32c_1mask16_operand): New.
1922 * config/m32c/blkmov.md: New file.
1923 * config/m32c/t-m32c (MD_FILES): Add blkmov.
1925 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
1927 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
1928 unsigned to fix signed/unsigned comparison issue in
1929 DWARF2_FRAME_REG_OUT.
1930 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
1931 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
1933 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
1934 of ptr into the ENABLE_CHECKING section.
1936 2006-03-08 Jeff Law <law@redhat.com>
1938 * tree-vrp.c (infer_value_range): Only count pointer uses
1939 and dereferences if -fdelete-null-pointer-checks is enabled.
1941 * tree-vrp.c (find_assert_locations): Infer value ranges for
1942 single use pointers, but do not create ASSERT_EXPRs for them.
1943 When a non-null range is inferred for a pointer, backwards
1944 propagate that range to other equivalent pointers through the
1947 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
1950 * Makefile.in (dvi, html, install-info): Invoke the corresponding
1951 language hook targets.
1952 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
1953 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
1954 if language hook targets were missing.
1956 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
1958 * tree-ssa-opfinalize.h: Removed.
1959 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
1961 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
1962 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
1963 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
1964 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
1965 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
1966 finalize_ssa_v_must_def_ops): New.
1968 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
1970 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
1973 2006-03-07 Geoffrey Keating <geoffk@apple.com>
1975 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
1977 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
1978 addresses with offsets; reorganize.
1980 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
1981 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
1982 (expand_builtin_init_dwarf_reg_sizes): Likewise.
1984 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
1987 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
1989 2006-03-08 Ben Elliston <bje@au.ibm.com>
1991 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
1993 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
1996 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
1999 2006-03-07 Richard Guenther <rguenther@suse.de>
2001 PR tree-optimization/26587
2002 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2004 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2006 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2008 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2010 * hooks.c (hook_bool_mode_rtx_true): New function.
2011 * hooks.h (hook_bool_mode_rtx_true): Declare.
2012 * toplev.c (compile_file): Call output_shared_constant_pool.
2013 * varasm.c (shared_constant_pool): New variable.
2014 (assemble_start_function, assemble_end_function): Remove arguments
2015 from call to output_constant_pool.
2016 (create_constant_pool): New function, split out from...
2017 (init_varasm_status): ...here.
2018 (force_const_mem): Choose between the shared and per-function constant
2019 pools. Set current_function_uses_const_pool when reusing old entries
2020 as well as when creating new ones.
2021 (mark_constant): Ignore data argument.
2022 (mark_constants): Remove pool argument.
2023 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2024 to decide whether the function uses a constant pool.
2025 (output_constant_pool_contents): New function, split out from...
2026 (output_constant_pool): ...here.
2027 (output_shared_constant_pool): New function.
2028 (init_varasm_once): Initialize shared_constant_pool.
2029 * output.h (output_constant_pool): Delete.
2030 (output_shared_constant_pool): Declare.
2031 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2032 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2034 2006-03-06 Nick Clifton <nickc@redhat.com>
2036 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2037 flag_strength_reduce.
2039 2006-03-06 Ben Elliston <bje@au.ibm.com>
2041 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2042 x86_64-*-linux* configurations.
2044 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2045 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2047 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2049 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2051 * basic-block.h: Remove the extern for
2052 rediscover_loops_after_threading.
2054 * cfgloop.c (cancel_loop): Make it static.
2055 * cfgloop.h: Remove the prototype for cancel_loop.
2057 * flow.c (recompute_reg_usage): Make it static.
2058 * rtl.h: Remove the prototype for recompute_reg_usage.
2060 * function.c (use_return_register): Make it static.
2061 * function.h: Remove the prototype.
2063 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2065 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2067 * recog.h: Remove the prototype for
2068 validate_change_maybe_volatile.
2070 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2072 * rtlanal.c (replace_reg): Remove.
2073 * rtl.h: Remove the prototype for replace_reg.
2075 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2077 * regclass.c (reg_scan_update): Remove.
2078 (reg_scan_mark_refs): Remove the last argument.
2079 * rtl.h: Remove the prototype for reg_scan_update.
2081 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2083 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2084 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2085 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2086 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2087 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2088 loop-invariant.c, omp-low.c, opts.c, passes.c,
2089 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2090 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2091 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2092 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2093 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2094 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2096 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2098 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2099 * dwarf2out.h: Remove the prototype for
2100 dwarf2out_add_library_unit_info.
2102 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2104 * tree.c (add_var_to_bind_expr): Remove.
2105 * tree.h: Remove the prototype for add_var_to_bind_expr.
2107 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2109 * regclass.c (n_non_fixed_regs): Remove.
2110 (init_reg_sets_1, globalize_reg): Remove all uses of
2112 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2114 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2116 * rtlanal.c (insns_safe_to_move_p): Remove.
2117 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2119 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2121 * expmed.c (expand_mult_add): Remove.
2122 * expr.h: Remove the prototype for expand_mult_add.
2124 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2126 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2127 and REG_SAVED_VAL_EXP constants.
2128 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2129 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2130 Handle regs stored by value.
2131 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2132 (execute_cfa_program): Handle DW_CFA_val_offset,
2133 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2134 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2135 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2136 (uw_install_context_1): Handle target regs stored by value.
2138 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2140 * tree-sra.c (tree_sra): Return todoflags;
2141 (generate_one_element): Set TODO_update_smt_usage if needed.
2142 (pass_sra): Remove TODO_update_smt_usage.
2143 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2145 (tree_ssa_forward_propagate_single_use_vars): Return
2146 TODO_update_smt_usage if we need to update SMT usage.
2147 (pass_forwprop): Remove TODO_update_smt_usage.
2149 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2151 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2152 (correct_use_link): Remove reference to get_stmt_operands.
2153 (update_stmt_operands): Likewise.
2154 (get_modify_expr_operands): New function factored out of
2155 parse_ssa_operands and get_expr_operands.
2156 Try to create V_MUST_DEFs for LHS by default.
2157 (get_expr_operands) <case MODIFY_EXPR>: Call
2158 get_modify_expr_operands.
2159 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2160 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2161 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2162 get_modify_expr_operands.
2164 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2166 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2167 * tree-flow.h: Remove the prototype for
2168 referenced_var_lookup_if_exists.
2170 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2172 PR rtl-optimization/26345
2174 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2176 2006-03-03 Roger Sayle <roger@eyesopen.com>
2178 PR tree-optimization/26524
2179 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2180 fold_convert to create a constant of the appropriate type.
2182 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2184 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2185 SYMBOL_REF_IN_BLOCK_P.
2186 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2187 of SYMBOL_FLAG_IN_BLOCK.
2188 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2189 instead of SYMBOL_REF_IN_BLOCK_P.
2190 * explow.c (use_anchored_address): Likewise.
2191 * rtl.c (rtx_size): Likewise.
2192 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2193 instead of SYMBOL_FLAG_IN_BLOCK.
2194 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2195 SYMBOL_REF_IN_BLOCK_P.
2196 (assemble_variable): Likewise.
2197 (output_constant_def_contents): Likewise.
2198 (output_constant_pool): Likewise.
2199 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2200 instead of SYMBOL_FLAG_IN_BLOCK.
2201 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2202 SYMBOL_REF_IN_BLOCK_P.
2203 (SYMBOL_REF_BLOCK): Likewise.
2204 (SYMBOL_REF_OFFSET): Likewise.
2205 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2206 SYMBOL_REF_IN_BLOCK_P.
2207 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2208 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2209 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2210 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2212 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2214 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2216 2006-03-02 Roger Sayle <roger@eyesopen.com>
2218 * simplify-rtx.c (simplify_unary_operation): When simplifying
2219 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2220 that we perform the right shift in the appropriate mode, and
2221 then extend or truncate the result to requested mode.
2223 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2225 * gengtype.c (main): Handle double_int type.
2226 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2227 * double-int.c: New file.
2228 * double-int.h: New file.
2229 * system.h: Include doubleint.h.
2230 * Makefile.in (SYSTEM_H): Include double-int.h.
2231 (double-int.o): Add.
2233 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2236 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2239 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2241 * tree-vrp.c (remove_range_assertions): Do not update statements
2244 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2246 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2248 * gcse.c (rest_of_handle_gcse): Ditto.
2249 * except.c (gate_handle_eh): Ditto.
2250 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2251 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2253 2006-03-02 Eric Christopher <echristo@apple.com>
2255 * config/i386/i386.c (machopic_output_stub): Add indirection to
2258 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2262 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2264 Sun Niagara specific optimizations.
2265 * config.gcc: Recognize niagara as target.
2266 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2267 (TARGET_CPU_niagara): Define.
2268 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2269 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2270 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2271 (ASM_CPU_SPEC): Likewise.
2272 (PROCESSOR_NIAGARA): New enum entry.
2273 (REGISTER_MOVE_COST): Handle Niagara.
2274 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2275 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2276 (sparc_override_options): Recognize "niagara", set appropriate
2277 default MASK_* values for it, and align functions to 32-bytes
2278 by default just like ULTRASPARC/ULTRASPARC3.
2279 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2280 (sparc64_initialize_trampoline): Likewise.
2281 (sparc_use_sched_lookahead): Use zero for niagara.
2282 (sparc_issue_rate): Use one for niagara.
2283 * config/sparc/niagara.md: New file.
2284 * config/sparc/sparc.md: Include it.
2285 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2286 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2287 when default cpu is niagara.
2288 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2289 (ASM_CPU_SPEC): Likewise.
2290 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2291 when default cpu is niagara.
2292 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2293 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2294 just like v9/ultrasparc/ultrasparc3.
2295 * doc/invoke.texi: Add documentation for "niagara" and improve
2296 existing documentation for ultrasparc variants.
2298 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2300 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2302 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2304 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2305 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2306 and say that only one is needed.
2307 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2308 * target.h (have_switchable_bss_sections): New hook.
2309 * explow.c (use_anchored_address): Check that the symbol is in a block.
2310 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2311 (bss_noswitch_section): New variables.
2312 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2313 (get_noswitch_section): New function.
2314 (get_block_for_section): Allow SECT to be null.
2315 (unlikely_text_section_p): Use SECTION_STYLE.
2316 (bss_initializer_p): New function.
2317 (get_variable_section): Move earlier in file. Take a new argument,
2318 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2319 Return one of the new *_sections in such cases.
2320 (get_block_for_decl): New function, extracting some logic from
2321 use_blocks_for_decl_p.
2322 (change_symbol_section): Remove in favor of...
2323 (change_symbol_block): ...this new function.
2324 (use_blocks_for_decl_p): Remove checks now performed by
2326 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
2327 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
2328 (emit_local, emit_bss, emit_common): ...these new functions.
2329 Return true if the alignment was honored.
2330 (emit_tls_common): New function.
2331 (asm_emit_uninitialised): Delete.
2332 (assemble_variable_noswitch): New function, split out from...
2333 (assemble_variable): ...here. Don't make decisions about common
2334 variables here. Globalize all public decls that go into non-common
2335 sections. Check whether SYMBOL_REF_BLOCK is null.
2336 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
2337 (output_constant_pool): Likewise.
2338 (init_varasm_once): Initialize the new section variables.
2339 (have_global_bss_p): New function.
2340 (categorize_decl_for_section): Use bss_initializer_p.
2341 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
2342 (place_block_symbol): Assert that the symbol must be in a block.
2343 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
2344 (TARGET_INITIALIZER): Include it.
2345 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
2346 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
2347 (SECTION_MACH_DEP): Bump by two.
2348 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
2349 (unnamed_section): Mention SECTION_UNNAMED in comment.
2350 (named_section): Likewise SECTION_NAMED.
2351 (noswitch_section_callback): New type.
2352 (noswitch_section): New structure.
2353 (section): Add a noswitch_section alternative.
2354 (SECTION_STYLE): New macro.
2355 (tls_comm_section, comm_section, lcomm_section): Declare.
2356 (bss_noswitch_section, have_global_bss_p): Declare.
2357 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2358 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2360 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2361 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2364 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
2366 * gcc/tree-vrp.c (execute_vrp): Return value.
2367 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
2368 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
2369 * gcc/tree-complex.c (tree_lower_complex): Ditto.
2370 (tree_lower_complex_O0): Ditto.
2371 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
2372 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
2373 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
2374 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
2375 (execute_tail_calls): Ditto.
2376 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2377 * gcc/tree.h (init_function_for_compilation): Ditto.
2378 * gcc/ipa-cp.c (ipcp_driver): Ditto.
2379 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
2380 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
2381 * gcc/final.c (compute_alignments): Ditto.
2382 (rest_of_handle_final): Ditto.
2383 (rest_of_handle_shorten_branches): Ditto.
2384 (rest_of_clean_state): Ditto.
2385 * gcc/omp-low.c (execute_expand_omp): Ditto.
2386 (execute_lower_omp): Ditto.
2387 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
2388 * gcc/ipa-reference.c (static_execute): Ditto.
2389 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
2390 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
2391 (rest_of_handle_machine_reorg): Ditto.
2392 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
2393 * gcc/flow.c (recompute_reg_usage): Ditto.
2394 (rest_of_handle_remove_death_notes): Ditto.
2395 (rest_of_handle_life): Ditto.
2396 (rest_of_handle_flow2): Ditto.
2397 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
2398 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
2399 (do_ssa_store_ccp): Ditto.
2400 (execute_fold_all_builtins): Ditto.
2401 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
2402 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
2403 * gcc/ipa-pure-const.c (static_execute): Ditto.
2404 * gcc/cse.c (rest_of_handle_cse): Ditto.
2405 (rest_of_handle_cse2): Ditto.
2406 * gcc/web.c (rest_of_handle_web): Ditto.
2407 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
2408 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
2409 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2410 * gcc/tree-nrv.c (tree_nrv): Ditto.
2411 (execute_return_slot_opt): Ditto.
2412 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
2413 (create_structure_vars): Ditto.
2414 * gcc/loop-init.c (rtl_loop_init): Ditto.
2415 (rtl_loop_done): Ditto.
2416 (rtl_move_loop_invariants): Ditto.
2417 (rtl_unswitch): Ditto.
2418 (rtl_unroll_and_peel_loops): Ditto.
2419 (rtl_doloop): Ditto.
2420 * gcc/gimple-low.c (lower_function_body): Ditto.
2421 (mark_used_blocks): Ditto.
2422 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
2423 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
2424 (cgraph_early_inlining): Ditto.
2425 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
2426 * gcc/jump.c (cleanup_barriers): Ditto.
2427 (purge_line_number_notes): Ditto.
2428 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
2429 (rest_of_handle_if_after_reload): Ditto.
2430 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
2431 (tree_ssa_loop_im): Ditto.
2432 (tree_ssa_loop_unswitch): Ditto.
2433 (tree_vectorize): Ditto.
2434 (tree_linear_transform): Ditto.
2435 (tree_ssa_loop_ivcanon): Ditto.
2436 (tree_ssa_empty_loop): Ditto.
2437 (tree_ssa_loop_bounds): Ditto.
2438 (tree_complete_unroll): Ditto.
2439 (tree_ssa_loop_prefetch): Ditto.
2440 (tree_ssa_loop_ivopts): Ditto.
2441 (tree_ssa_loop_done): Ditto.
2442 * gcc/predict.c (tree_estimate_probability): Ditto.
2443 * gcc/recog.c (split_all_insns_noflow): Ditto.
2444 (rest_of_handle_peephole2): Ditto.
2445 (rest_of_handle_split_all_insns): Ditto.
2446 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
2447 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
2448 (rest_of_handle_stack_adjustments): Ditto.
2449 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
2450 * gcc/function.c (instantiate_virtual_regs): Ditto.
2451 (init_function_for_compilation): Ditto.
2452 (rest_of_handle_check_leaf_regs): Ditto.
2453 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
2454 (rest_of_handle_gcse): Ditto.
2455 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
2456 * gcc/alias.c (rest_of_handle_cfg): Ditto.
2457 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
2458 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
2459 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
2460 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
2461 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
2462 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
2463 * gcc/except.c (set_nothrow_function_flags): Ditto.
2464 (convert_to_eh_region_ranges): Ditto.
2465 (rest_of_handle_eh): Ditto.
2466 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
2467 (remove_unnecessary_notes): Ditto.
2468 * gcc/except.h (set_nothrow_function_flags): Ditto.
2469 (convert_to_eh_region_ranges): Ditto.
2470 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
2471 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
2472 * gcc/tree-ssa-pre.c (do_pre): Ditto.
2473 (execute_fre): Ditto.
2474 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
2475 (rest_of_handle_jump2): Ditto.
2476 * gcc/tree-sra.c (tree_sra): Ditto.
2477 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
2478 (execute_mudflap_function_decls): Ditto.
2479 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
2480 (do_store_copy_prop): Ditto.
2481 * gcc/ipa-prop.h (ipcp_driver): Ditto.
2482 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
2483 * gcc/tree-ssa-forwprop.c
2484 (tree_ssa_forward_propagate_single_use_vars): Ditto.
2485 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
2486 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
2487 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
2488 (execute_late_warn_uninitialized): Ditto.
2489 * gcc/rtl.h (cleanup_barriers): Ditto.
2490 (split_all_insns_noflow): Ditto.
2491 (purge_line_number_notes): Ditto.
2492 (unshare_all_rtl): Ditto.
2493 (remove_unnecessary_notes): Ditto.
2494 (recompute_reg_usage): Ditto.
2495 (variable_tracking_main): Ditto.
2496 * gcc/integrate.c (emit_initial_value_sets): Ditto.
2497 * gcc/integrate.h (emit_initial_value_sets): Ditto.
2498 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
2499 (execute_free_cfg_annotations): Ditto.
2500 (execute_fixup_cfg): Ditto.
2501 (execute_cleanup_cfg_pre_ipa): Ditto.
2502 (execute_cleanup_cfg_post_optimizing): Ditto.
2503 (execute_init_datastructures): Ditto.
2504 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
2505 * gcc/combine.c (rest_of_handle_combine): Ditto.
2506 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
2507 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
2508 (rest_of_handle_reorder_blocks): Ditto.
2509 (rest_of_handle_partition_blocks): Ditto.
2510 * gcc/var-tracking.c (variable_tracking_main): Ditto.
2511 * gcc/tree-profile.c (tree_profiling): Ditto.
2512 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
2513 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
2514 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
2515 (rest_of_handle_sched2): Ditto.
2516 * gcc/basic-block.h (free_bb_insn): Ditto.
2517 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
2518 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
2519 (remove_useless_stmts): Ditto.
2520 (split_critical_edges): Ditto.
2521 (execute_warn_function_return): Ditto.
2522 (execute_warn_function_noreturn): Ditto.
2523 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
2524 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
2525 * gcc/passes.c (execute_one_pass): Run additional
2526 todos returned by execute function.
2527 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
2530 2006-03-02 Richard Guenther <rguenther@suse.de>
2532 * tree-ssa-alias.c (find_used_portions): Consider taking
2533 the address as making the variable not write-only.
2535 2006-03-02 Nick Clifton <nickc@redhat.com>
2537 * config.gcc (default_use_cxa_atexit): Extend the description of
2538 this configure variable. Set its default value to "yes" for
2539 Linux, NetBSD and ELF targets on the assumption that they will
2540 use C libraries with the __cxa_atexit function.
2542 2006-03-02 Ben Elliston <bje@au.ibm.com>
2544 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
2545 parameter as unused to suppress a build warning.
2547 2006-03-02 Ben Elliston <bje@au.ibm.com>
2549 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
2552 2006-03-01 Roger Sayle <roger@eyesopen.com>
2555 * gthr-posix.h (__gthrw2): Define to take three parameters, the
2556 declared name, the weak reference name, and the typeof name.
2557 (__gthrw): Avoid expanding the declared name suffix.
2558 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
2560 2006-03-01 Jakub Jelinek <jakub@redhat.com>
2562 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
2564 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
2565 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
2566 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
2567 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
2568 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
2569 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
2570 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
2571 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
2572 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
2573 DW_DS_leading_separate, DW_DS_trailing_separate): New.
2574 (DW_END_default, DW_END_big, DW_END_little): New.
2575 (DW_END_lo_user, DW_END_hi_user): Define.
2576 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
2577 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
2578 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
2581 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2583 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
2585 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
2587 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
2589 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
2591 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
2592 to 'symbol_mem_tag'.
2594 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
2597 2006-03-01 Roger Sayle <roger@eyesopen.com>
2599 * builtins.c (fold_builtin_copysign): Delete unreachable code.
2601 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2604 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
2605 MACHO_DYNAMIC_NO_PIC_P.
2606 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
2608 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2611 * config/darwin-protos.h (darwin_asm_output_anchor):
2613 * config/darwin-sections.def (cstring_section):
2614 Add SECTION_MERGE to the flags.
2615 (literal4_section): Likewise.
2616 (literal8_section): Likewise.
2617 (objc_selector_refs_section): Likewise.
2618 (objc_cls_refs_section): Likewise.
2619 * config/darwin.c (darwin_asm_output_anchor): New
2621 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2623 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
2625 Fix PR tree-optimization/26443
2626 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
2627 to todo and PROP_tmt_usage to properties_destroyed.
2628 * tree-ssa-ccp.c (pass_ccp): Ditto.
2629 (pass_store_ccp): Ditto.
2630 * tree-ssa-dom.c (pass_dominator): Ditto.
2632 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2634 * tree-ssa-operands.c: Cleanup whitespace.
2635 (get_asm_expr_operands): Move before first invocation.
2636 (get_indirect_ref_operands): Likewise.
2637 (get_tmr_operands): Likewise.
2638 (get_call_expr_operands): Likewise.
2639 (append_def): Likewise.
2640 (append_use): Likewise.
2641 (append_v_may_def): Likewise.
2642 (append_v_must_def): Likewise.
2643 (add_call_clobber_ops): Likewise.
2644 (add_call_read_ops): Likewise.
2645 (add_stmt_operand): Likewise.
2646 (add_virtual_operand): Likewise.
2647 (build_ssa_operands): Likewise.
2649 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2654 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2655 with a call expr to ...
2656 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2658 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2660 * tree-vrp.c (extract_range_from_assert): Remove special
2661 handling for types with super-types.
2663 2006-03-01 Ben Elliston <bje@au.ibm.com>
2665 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
2666 and powerpc64-*-linux* configurations.
2667 * config/t-dfprules: New file.
2669 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
2670 Compile dfp-bit.c from the source directory using -DWIDTH and
2671 $DFP_CFLAGS to control the compilation of that file, rather than
2672 generating width-specific versions in the build directory.
2673 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
2674 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
2676 2006-02-28 Zack Weinberg <zackw@panix.com>
2678 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
2681 2006-02-28 Eric Christopher <echristo@apple.com>
2683 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
2684 Set up IN_LIBGCC definition of TARGET_64BIT.
2685 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
2687 2006-02-28 Roger Sayle <roger@eyesopen.com>
2690 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
2691 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
2692 cases via the construction of "expr != 0".
2694 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2696 * alias.c (alias_invariant, alias_invariant_size): Remove.
2697 (record_base_value): Remove.
2698 (memrefs_conflict_p): Don't look at alias_invariant.
2699 (end_alias_analysis): Don't free it.
2700 * alias.h (record_base_value): Remove prototype.
2702 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
2703 Adam Nemet <anemet@caviumnetworks.com>
2705 * rtl.h (truncated_to_mode): Declare it.
2706 (struct rtl_hooks): Add reg_truncated_to_mode hook.
2707 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
2708 (RTL_HOOKS_INITIALIZER): Include it.
2709 * rtlhooks.c (reg_truncated_to_mode_general): New function.
2710 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
2711 reg_truncated_to_mode.
2712 * rtlanal.c (truncated_to_mode): Define it.
2713 * simplify-rtx.c (simplify_unary_operation_1): Use it.
2715 2006-02-28 Jeff Law <law@redhat.com>
2717 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
2718 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
2719 the range allowed by TYPE_PRECISION.
2721 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
2723 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
2725 PR tree-optimization/26419
2726 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
2729 2006-02-27 Zack Weinberg <zackw@panix.com>
2731 * doc/md.texi: Fix typo in previous change.
2733 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
2737 2006-02-27 Zack Weinberg <zackw@panix.com>
2739 * rtl.def (define_constraint, define_register_constraint)
2740 (define_memory_constraint, define_address_constraint): New MD forms.
2741 * gensupport.c (process_rtx): Put define_constraint etc on the
2743 * genpreds.c (process_define_predicate): Adjust comment. Validate
2744 the name, and call validate_exp to validate the expression.
2745 (mark_mode_tests, write_extract_subexp): Can assume correct input.
2746 (write_predicate_expr): Likewise. NAME argument no longer necessary;
2747 all callers changed.
2748 (validate_exp, needs_variable, struct constraint_data)
2749 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
2750 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
2751 (const_dbl_constraints, constraint_max_namelen)
2752 (have_register_constraints, have_memory_constraints)
2753 (have_address_constraints, have_address_constraints)
2754 (have_extra_constraints, have_const_int_constraints)
2755 (have_const_dbl_constraints, mangle, add_constraint)
2756 (process_define_constraint, process_define_register_constraint)
2757 (write_enum_constraint_num, write_lookup_constraint)
2758 (write_insn_constraint_len, write_regclass_for_constraint)
2759 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
2760 (write_insn_extra_memory_constraint)
2761 (write_insn_extra_address_constraint)
2762 (write_satisfies_constraint_fns): New.
2763 (write_tm_preds_h): If we have new-style constraint definitions,
2764 prototype the functions generated from them, and define the
2765 old constraint interface (still used by generic code) in terms of
2767 (write_insn_preds_c): If we have new-style constraint definitions,
2768 generate all relevant functions from those definitions.
2769 (main): Handle define_constraint etc.
2770 * genoutput.c (struct constraint_data, indep_constraints)
2771 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
2772 (mdep_constraint_len): New data structures and functions, defined
2773 #ifdef USE_MD_CONSTRAINTS.
2774 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
2775 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
2776 use new logic to validate operand constraints against constraint
2778 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
2780 * defaults.h: If none of the old-style constraint macros are
2781 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
2782 old-style macros; and poison REG_CLASS_FROM_LETTER,
2783 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
2785 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
2786 * doc/md.texi: Document new constraint-definition mechanism and the
2787 C interface it provides. Remove references to old mechanism
2788 elsewhere in the document.
2789 (Machine Constraints): Use pathnames relative to gcc directory,
2790 i.e. config/ARCH/FILE. Change i386 section to refer to
2791 config/i386/predicates.md; update that section to match docstrings.
2792 * doc/tm.texi: Move all documentation of the old constraint-
2793 definition macros to their own section, clearly mark as obsolete.
2795 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
2796 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
2798 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
2799 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2800 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
2802 (splits and peepholes): Use satisfies_constraint_*.
2803 * config/i386/i386.c (memory_address_length)
2804 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
2806 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2808 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
2809 scalar operation to be put back into the loop.
2811 2006-02-27 Jakub Jelinek <jakub@redhat.com>
2814 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
2815 (extract_cie_info): Handle S flag in augmentation string.
2816 (execute_cfa_program): If context->signal_frame, execute also
2817 fs->pc == context->ra instructions.
2818 (uw_frame_state_for): If context->signal_frame, don't subtract one
2819 from context->ra to find FDE.
2820 (uw_update_context_1): Set context->signal_frame to
2822 (_Unwind_GetIPInfo): New function.
2823 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
2824 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
2826 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
2827 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
2828 * unwind-compat.c (_Unwind_GetIPInfo): New function.
2829 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
2830 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
2831 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
2832 * config/i386/linux-unwind.h (x86_fallback_frame_state,
2833 x86_64_fallback_frame_state): Set fs->signal_frame.
2834 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
2835 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
2836 (frob_update_context): Likewise. Workaround missing S flag in
2837 Linux 2.6.12 - 2.6.16 kernel vDSOs.
2838 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
2839 Remove the psw_addr + 1 hack.
2841 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2843 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
2844 with aggregates here.
2845 (find_func_aliases): Remove code for &<aggregate> from here.
2847 2006-02-26 Roger Sayle <roger@eyesopen.com>
2849 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
2850 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
2851 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
2854 2006-02-26 Roger Sayle <roger@eyesopen.com>
2857 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
2859 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
2861 * opts.c (decode_options): Do not handle flag_strength_reduce.
2862 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
2863 and OPT_fstrength_reduce.
2864 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
2865 flag_prefetch_loop_arrays for being nonzero.
2866 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
2868 (fprefetch-loop-arrays-rtl): Removed.
2869 (flag_prefetch_loop_arrays): Do not specify the value.
2871 * doc/passes.texi: Update documentation of loop optimizer
2873 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
2874 -frerun-loop-opt): Remove.
2876 2006-02-26 Richard Guenther <rguenther@suse.de>
2878 PR tree-optimization/26421
2879 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
2880 in function calls that are ADDR_EXPRs as using the whole structure.
2882 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
2884 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
2885 * tree-pass.h (pass_loop_optimize): Remove.
2886 * passes.c (pass_loop_optimize): Never run it.
2887 * toplev.c (backend_init): Don't call init_loop.
2888 * opts.c (flag_loop_optimize_set): Remove.
2889 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
2890 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
2891 the old RTL loop optimizer when profiling enabled.
2892 * predict.c (tree_estimate_probability): Always strip builtin_expect.
2893 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
2894 pre-headers for the sake of the old RTL loop optimizer.
2895 * Makefile.in: Remove all references to loop.o.
2897 * doc/invoke.texi: Remove all references to -floop-optimize
2898 and -frerun-loop-opt.
2900 2006-02-26 Zack Weinberg <zackw@panix.com>
2902 * doc/md.texi (Machine Constraints): Refer to all files with paths
2903 relative to gcc directory (i.e. config/CPU/file). Add missing
2904 @table @code ... @end table to M32C subsection.
2906 2006-02-26 Roger Sayle <roger@eyesopen.com>
2908 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
2910 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
2912 2006-02-26 Roger Sayle <roger@eyesopen.com>
2913 James A. Morrison <phython@gcc.gnu.org>
2916 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
2917 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
2918 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
2919 signedness of the shift operation.
2921 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
2923 PR tree-optimization/26359
2924 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
2926 2006-02-25 Roger Sayle <roger@eyesopen.com>
2928 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2929 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
2930 as X == 0, and some symmetry related transformations.
2931 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
2933 2006-02-25 Roger Sayle <roger@eyesopen.com>
2936 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
2937 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
2938 symmetry related transformations. Fold (X^C1) == C2 as
2941 2006-02-25 Juergen Weigert <jw@suse.de>
2942 Richard Guenther <rguenther@suse.de>
2944 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
2946 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
2948 * combine.c (gen_lowpart_or_truncate): Call
2949 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
2951 2006-02-24 Diego Novillo <dnovillo@redhat.com>
2953 * doc/invoke.texi: Move -fopenmp description to "Options for
2955 Remove reference to -lgomp.
2957 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2959 * doc/install.texi: Require GNU tar version 1.14.
2961 2006-02-24 Geoffrey Keating <geoffk@apple.com>
2963 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
2964 * doc/invoke.texi (C++ Dialect Options): Document
2965 -fno-use-cxa-get-exception-ptr.
2966 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
2967 * configure: Regenerate.
2968 * c.opt (fuse-cxa-get-exception-ptr): New.
2969 * c-opts.c (c_common_handle_option): Handle
2970 OPT_fuse_cxa_get_exception_ptr.
2971 * c-common.c (flag_use_cxa_atexit): Update documentation.
2972 (flag_use_cxa_get_exception_ptr): New.
2973 * c-common.h (flag_use_cxa_get_exception_ptr): New.
2974 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
2976 (C_COMMON_OVERRIDE_OPTIONS): New.
2978 2006-02-24 Roger Sayle <roger@eyesopen.com>
2981 * combine.c (try_combine): Explicitly check whether GET_CODE is
2982 a SET or a CLOBBER, instead on checking that it isn't a USE.
2984 2006-02-24 Roger Sayle <roger@eyesopen.com>
2986 * fold-const.c (fold_comparison): New subroutine of fold_binary
2987 containing transformations common to both the equality and
2988 ordering relational operators, factored out of fold_binary.
2989 (fold_binary): Separate out the equality operators (EQ_EXPR
2990 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
2991 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
2992 transformations common to both.
2993 (fold_div_compare): Fix latent bugs in the previously unreachable
2994 LT_EXPR and GE_EXPR cases.
2996 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2998 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
2999 decl libname for clog to __clog on AIX.
3001 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3003 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3006 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3007 output traceback table for thunks. Localise rs6000_stack_info call.
3009 2006-02-23 Roger Sayle <roger@eyesopen.com>
3010 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3012 * gthr-posix.h (__gthrw): Fix typo in comment.
3014 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3016 * doc/cpp.texi (Character sets): Document that we do support
3017 input files to be in any character set.
3019 2006-02-23 Jeff Law <law@redhat.com>
3021 * tree.h (PHI_ARG_NONZERO): Remove.
3022 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3023 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3024 node to the new node.
3026 PR tree-optimization/26425
3027 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3028 min/max, then assume its varying.
3030 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3032 PR rtl-optimization/26316
3033 * rtlanal.c (enum may_trap_p_flags): New.
3034 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3035 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3036 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3037 (may_trap_after_code_motion_p): New function.
3038 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3039 (find_invariant_insn): Use may_trap_after_code_motion_p.
3040 * rtl.h (may_trap_after_code_motion_p): Declare.
3042 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3044 * emit-rtl.c (immed_double_const): Cleanup.
3046 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3048 Fix PR tree-optimization/26376
3049 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3052 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3055 * gimplify.c (omp_add_variable): Guard variable size decl test with
3056 DECL_SIZE (decl) check.
3058 2006-02-23 Richard Guenther <rguenther@suse.de>
3061 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3062 like aggregate types.
3064 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3066 * configure.ac: Add --with{,out}-long-double-128 configure option.
3067 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3068 * configure: Rebuilt.
3069 * config.in: Rebuilt.
3070 * doc/install.texi (Options specification): Document
3071 --with-long-double-128.
3073 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3074 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3075 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3076 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3078 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3080 * config/s390/s390.c (override_options): Handle
3081 TARGET_DEFAULT_LONG_DOUBLE_128.
3083 * config/alpha/alpha.c (override_options): Handle
3084 TARGET_DEFAULT_LONG_DOUBLE_128.
3086 * config/sparc/sparc.c (sparc_override_options): Handle
3087 TARGET_DEFAULT_LONG_DOUBLE_128.
3089 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3091 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3092 (real-install-headers-tar, real-install-headers-cpio)
3093 (real-install-headers-cp): New targets.
3095 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3097 * tree.h (variable_section): Delete.
3098 * varasm.c (variable_section): Delete.
3100 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3102 * install.texi: Add notes on install.texi2html.
3103 (Building in parallel): Do not use footnotes.
3105 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3108 * doc/install.texi (Configuration): Document --disable-libgomp.
3110 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3112 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3114 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3116 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3117 (vec_extractv2df_0_sse): New.
3119 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3121 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3122 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3123 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3124 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3125 to the result of the expression.
3126 (def_cfa_1): Adjust.
3127 (frame_pointer_cfa_offset): Rename to...
3128 (frame_pointer_fb_offset): ... this. Adjust all uses.
3129 (convert_cfa_to_loc_list): Rename to...
3130 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3131 Pass it on to build_cfa_loc.
3132 (compute_frame_pointer_to_cfa_displacement): Rename to...
3133 (compute_frame_pointer_to_fb_displacement): ... this. New
3134 offset parameter. Use it in computation.
3135 (gen_subprogram_die): Compute cfa_fb_offset with the new
3136 macro, and use it to compute the fb loc list and the
3139 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3141 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3142 replaced with register_operand.
3143 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3144 non-DREG is expensive.
3145 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3146 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3149 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3151 * doc/install.texi2html: Use set -e.
3153 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3155 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3156 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3157 * doc/invoke.texi (-fshared-data): Delete.
3158 * common.opt (fshared-data): Delete.
3159 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3160 (assemble_static_space): Remove #if 0 code.
3161 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3162 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3163 * config/cris/cris.h: Remove FIXME.
3165 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3167 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3170 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3173 * combine.c (simplify_shift_const_1): Disable nested shifts
3174 optimization for vector shifts.
3176 2006-02-20 Roger Sayle <roger@eyesopen.com>
3178 PR tree-optimization/26361
3179 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3180 of unsigned integer types.
3182 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3184 * tree-chrec.c (eq_evolutions_p): New.
3185 * tree-chrec.h (eq_evolutions_p): Declared.
3186 * tree-data-ref.c: Fix formatting.
3187 (datadep_stats, dependence_stats): New.
3189 (print_direction_vector): New.
3190 (dump_data_dependence_relation): Use print_direction_vector.
3191 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3192 (compute_subscript_distance): Static.
3193 (initialize_data_dependence_relation): Static. Get the number
3194 of loops surrounding the references from the callers, and initialize
3195 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3196 base_object_differ_p analyzers.
3197 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3198 compute_overlap_steps_for_affine_1_2,
3199 analyze_subscript_affine_affine): Count the classified dependences.
3200 Print a message when a test failed.
3201 (can_use_analyze_subscript_affine_affine): New.
3202 (analyze_siv_subscript): Compute the data dependences on symbolic
3203 scevs that verify can_use_analyze_subscript_affine_affine.
3204 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3205 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3206 Handle symbolic scevs.
3207 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3209 (subscript_dependence_tester): Moved...
3210 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3211 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3212 DDR_SIZE_VECT instead of getting it in parameter.
3213 (subscript_dependence_tester): ... here. Take as a parameter
3214 loop_nest_depth. Call build_classic_dist_vector and
3215 build_classic_dir_vector.
3216 (compute_affine_dependence): Update subscript_dependence_tester
3217 parameters. Update datadep_stats counters. Call
3218 compute_subscript_distance.
3219 (compute_self_dependence): Save the dist and dir vectors. Call
3220 compute_subscript_distance.
3221 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3222 (compute_all_dependences): Reorder parameters as they were before
3223 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3224 compute_subscript_distance. Update the use of
3225 compute_affine_dependence and initialize_data_dependence_relation.
3226 (find_data_references_in_loop): Handle COMPONENT_REF.
3227 (compute_data_dependences_for_loop): Initialize dependence_stats.
3228 Don't call build_classic_dist_vector and build_classic_dir_vector.
3229 Update the parameters of initialize_data_dependence_relation and
3230 compute_all_dependences. Print the statistics from datadep_stats.
3231 (analyze_all_data_dependences): Static. Not used until the pass for
3232 checking the data dependences is contributed.
3233 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3234 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3235 (initialize_data_dependence_relation, compute_affine_dependence,
3236 analyze_all_data_dependences, compute_subscript_distance): Removed.
3237 (print_direction_vector): New.
3238 * lambda.h (gcd): ... here.
3239 (lambda_vector_gcd): Moved here from gcd_vector.
3240 * lambda-code.c (gcd, gcd_vector): Removed.
3241 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3242 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3244 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3246 * ipa-type-escape.c: Tidy some comments and white space.
3247 * tree-ssa-operands.c: Likewise.
3249 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3252 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3253 (dump_decl_name): Do not walk the decl tree chains.
3254 * tree-pass.h (TDF_CHAIN): Remove.
3256 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3258 * Makefile.in (C): Remove
3260 (.PHONY): Remove C and PROTO
3262 2006-02-20 Roger Sayle <roger@eyesopen.com>
3265 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3266 deprecated CHAR_TYPE tree code.
3268 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3270 * configure.ac (target_list): Add install-info, dvi, html.
3271 * configure: Regenerate.
3273 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3274 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3275 treelang/Make-lang.in: Do not use double-colon rules.
3277 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3279 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3280 (TMT_USED_ALONE): New macro.
3281 * tree-pass.h (PROP_tmt_usage): New property.
3282 (TODO_update_tmt_usage): New todo.
3283 * tree-ssa-alias.c (updating_used_alone): New variable.
3284 (recalculate_used_alone): New function.
3285 (compute_may_aliases): Set updating_used_alone, call
3286 recalculate_used_alone.
3287 * tree-sra.c (pass_sra): Note that this pass destroys
3288 PROP_tmt_usage, and add TODO_update_tmt_usage.
3289 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3290 * tree-flow.h (updating_used_alone): Prototype.
3291 (recalculate_used_alone): Ditto.
3292 * passes.c (execute_todo): Add code to set updating_used_alone,
3293 and call recalculate.
3294 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3295 for clobber if used alone, and add assert to verify used_alone
3298 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3300 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3301 for non tls symbols added.
3302 (legitimize_address): Do nothing for PLUS expressions if one of the
3303 addends is a tls symbol reference.
3305 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3309 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3311 * Makefile.in (BOOTSTRAPPING): New.
3312 (quickstrap): New definition if BOOTSTRAPPING=yes.
3314 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3315 * configure.ac: Substitute all_selected_languages with the languages
3316 that were configured. For all the other variables except
3317 lang_specs_files, include all the languages in the tree.
3318 * configure: Regenerate.
3320 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3321 if there is one. Run the commands to run fixincludes in the same
3324 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
3325 * doc/install.texi: Document exact conventions for searching target tools.
3326 Document --with-build-time-tools. Document toplevel bootstrap. Document
3327 something more about building an Ada cross-compiler. Don't list GNU Make
3328 requirements which affect all platforms.
3330 2006-02-19 Roger Sayle <roger@eyesopen.com>
3333 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
3334 only equivalent if the have both the same mode and precision.
3336 2006-02-20 Ben Elliston <bje@au.ibm.com>
3338 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
3340 2006-02-19 Roger Sayle <roger@eyesopen.com>
3341 Steven Bosscher <stevenb.gcc@gmail.com>
3343 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
3344 constant pool references to identify stack mode constants.
3345 * rtlanal.c (constant_pool_constant_p): New predicate to check
3346 whether operand is a floating point constant in the pool.
3347 * rtl.h (constant_pool_constant_p): Prototype here.
3348 * loop.c (scan_loop): Avoid hoisting constants from the constant
3349 pool on STACK_REGS targets.
3350 (load_mems): Likewise.
3351 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
3352 loads into x87 registers expensive in terms of register pressure.
3354 2006-02-19 Roger Sayle <roger@eyesopen.com>
3356 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
3357 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
3359 2006-02-19 David Edelsohn <edelsohn@gnu.org>
3361 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3362 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
3364 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
3366 * doc/invoke.texi: Document -fipa-pta.
3367 * common.opt: Add ipa-pta option.
3368 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
3369 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
3370 (do_ds_constraint): Ditto.
3371 (get_constraint_for): Only add to referenced_vars if
3372 referenced_vars exists.
3373 (insert_into_field_list): Rewrite to do this unsorted.
3374 (insert_into_field_list_sorted): Rename old insert_into_field_list
3376 (create_function_info_for): Use insert_into_field_list_sorted.
3377 (create_variable_info_for): Rewrite so it uses unsorted version,
3378 since the field list is sorted.
3379 (intra_create_variable_infos): Only add to referenced_vars if
3380 referenced_vars exists.
3381 (ipa_pta_execute): Init heapvars, and delete when done.
3382 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
3384 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3386 * doc/install.texi: Add missing `@samp'.
3388 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3390 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
3393 2006-02-18 Mark Wielaard <mark@klomp.org>
3395 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
3396 who added new 4.1 features, bug fixes and integration support.
3398 2006-02-18 David Edelsohn <edelsohn@gnu.org>
3401 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
3404 2006-02-18 Richard Sandiford <richard@codesourcery.com>
3406 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
3407 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
3408 (copy_insn_1): Likewise. Don't copy each field individually.
3410 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
3412 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
3413 * rtl.c (rtx_size): Rename variable to...
3414 (rtx_code_size): ...this.
3415 (rtx_size): New function.
3416 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
3417 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
3419 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
3420 * rtl.h (rtx_code_size): New variable.
3421 (rtx_size): Change from a variable to a function.
3422 (RTX_SIZE): Rename to...
3423 (RTX_CODE_SIZE): ...this.
3426 PR tree-optimization/17106
3427 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
3428 (Anchored Addresses): New section.
3429 * doc/invoke.texi (-fsection-anchors): Document.
3430 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
3431 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
3432 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
3433 * hooks.c (hook_bool_mode_rtx_false): New function.
3434 * hooks.h (hook_bool_mode_rtx_false): Declare.
3435 * gengtype.c (create_optional_field): New function.
3436 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
3437 SYMBOL_REF_IN_BLOCK_P is true.
3438 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
3439 (min_anchor_offset, max_anchor_offset): Likewise.
3440 (use_anchors_for_symbol_p): New hook.
3441 * toplev.c (compile_file): Call output_object_blocks.
3442 (target_supports_section_anchors_p): New function.
3443 (process_options): Check that -fsection-anchors is only used on
3444 targets that support it and when -funit-at-a-time is in effect.
3445 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
3446 if the decl doesn't have one.
3447 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
3448 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
3449 of force_const_mem through use_anchored_address.
3450 (expand_expr_constant): New function.
3451 (expand_expr_addr_expr_1): Call it. Use the same modifier when
3452 calling expand_expr for INDIRECT_REF.
3453 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
3454 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
3455 * expr.h (use_anchored_address): Declare.
3456 * loop-unroll.c: Don't declare rtx vectors here.
3457 * explow.c: Include output.h.
3458 (validize_mem): Call use_anchored_address.
3459 (use_anchored_address): New function.
3460 * common.opt (-fsection-anchors): New switch.
3461 * varasm.c (object_block_htab, anchor_labelno): New variables.
3462 (hash_section, object_block_entry_eq, object_block_entry_hash)
3463 (use_object_blocks_p, get_block_for_section, create_block_symbol)
3464 (use_blocks_for_decl_p, change_symbol_section): New functions.
3465 (get_variable_section): New function, split out from assemble_variable.
3466 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
3467 use_blocks_for_decl_p say so. Use change_symbol_section if the
3468 symbol has already been created.
3469 (assemble_variable_contents): New function, split out from...
3470 (assemble_variable): ...here. Don't output any code for
3471 block symbols; just pass them to place_block_symbol.
3472 Use get_variable_section and assemble_variable_contents.
3473 (get_constant_alignment, get_constant_section, get_constant_size): New
3474 functions, split from output_constant_def_contents.
3475 (build_constant_desc): Create a block symbol if use_object_blocks_p
3476 says so. Or into SYMBOL_REF_FLAGS.
3477 (assemble_constant_contents): New function, split from...
3478 (output_constant_def_contents): ...here. Don't output any code
3479 for block symbols; just pass them to place_section_symbol.
3480 Use get_constant_section and get_constant_alignment.
3481 (force_const_mem): Create a block symbol if use_object_blocks_p and
3482 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
3483 (output_constant_pool_1): Add an explicit alignment argument.
3484 Don't switch sections here.
3485 (output_constant_pool): Adjust call to output_constant_pool_1.
3486 Switch sections here instead. Don't output anything for block symbols;
3487 just pass them to place_block_symbol.
3488 (init_varasm_once): Initialize object_block_htab.
3489 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
3490 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
3491 (place_block_symbol, get_section_anchor, output_object_block)
3492 (output_object_block_htab, output_object_blocks): New functions.
3493 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
3494 (TARGET_ASM_OUT): Include it.
3495 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
3496 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
3497 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
3498 (TARGET_INITIALIZER): Include them.
3499 * rtl.c (rtl_check_failed_block_symbol): New function.
3500 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
3501 (block_symbol, object_block): New structures.
3502 (rtx_def): Add a block_symbol field to the union.
3503 (BLOCK_SYMBOL_CHECK): New macro.
3504 (rtl_check_failed_block_symbol): Declare.
3505 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
3506 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
3507 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
3508 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
3509 * output.h (output_section_symbols): Declare.
3510 (object_block): Name structure.
3511 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
3512 (default_use_anchors_for_symbol_p): Declare.
3513 * Makefile.in (RTL_BASE_H): Add vec.h.
3514 (explow.o): Depend on output.h.
3515 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
3516 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3517 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3518 (rs6000_use_blocks_for_constant_p): New function.
3520 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3522 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
3524 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3527 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
3530 2006-02-18 Diego Novillo <dnovillo@redhat.com>
3532 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
3536 2006-02-18 Jakub Jelinek <jakub@redhat.com>
3539 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
3540 instead of DECL_REGISTER.
3542 2006-02-18 Olivier Hainque <hainque@adacore.com>
3545 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
3547 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
3550 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
3551 * opth-gen.awk: Handle Var and InverseMask together.
3552 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
3553 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
3554 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
3555 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
3557 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3558 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3559 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
3560 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3561 LINUX_DYNAMIC_LINKER): Define.
3562 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
3563 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
3565 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3566 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
3567 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3568 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3569 (TARGET_C99_FUNCTIONS): Don't define.
3570 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
3571 GLIBC_DYNAMIC_LINKER.
3572 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
3573 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
3574 GLIBC_DYNAMIC_LINKER64): Define.
3575 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3576 LINUX_DYNAMIC_LINKER64.
3577 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3578 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3579 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
3580 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3581 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3582 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3583 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
3584 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
3585 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
3586 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
3587 and LINUX_DYNAMIC_LINKER32.
3588 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3589 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3590 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
3591 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3592 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
3594 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
3595 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
3596 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3597 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3598 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3599 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
3600 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
3601 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
3602 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3603 LINUX_DYNAMIC_LINKER): Define.
3604 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
3605 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
3606 GLIBC_DYNAMIC_LINKER64): Define.
3607 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3608 LINUX_DYNAMIC_LINKER64.
3609 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3610 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3611 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
3612 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3613 LINUX_DYNAMIC_LINKER): Define.
3614 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3615 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3616 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
3617 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
3618 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
3619 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3620 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
3621 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
3622 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3623 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3624 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3625 * doc/invoke.texi (-muclibc): Remove caveat about supported
3628 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3630 * doc/cpp.texi (__TIMESTAMP__): Document.
3632 2006-02-17 Roger Sayle <roger@eyesopen.com>
3635 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
3636 C is one less than the width of X (and related transformations).
3637 * simplify-rtx.c (simplify_unary_operation_1): Transform
3638 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
3639 depending on STORE_FLAG_VALUE, were C is one less then the
3642 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
3644 Fix PR tree-optimization/26341
3645 * tree-ssa-operands.c (add_virtual_operand): Remove assert
3646 about NAME_MEMORY_TAG's.
3648 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3651 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
3652 with hardware float support, and software float support. Add fcpy
3653 alternative to hardware patterns. Add alternatives to copy between
3654 general and floating-point registers to the 32-bit pattern.
3655 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
3656 secondary reload to load a QI or HI mode constant into a floating
3658 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
3659 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
3661 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
3664 * config/rs6000/darwin.md (load_macho_picbase_si): Add
3666 (load_macho_picbase_di): Likewise.
3668 2006-02-16 Jeff Law <law@redhat.com>
3670 * tree-vrp.c (set_value_range_to_nonnegative): New function.
3671 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
3672 (ssa_name_nonzero_p): Likewise.
3673 (get_value_range): Return NULL if VRP is not running.
3674 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
3675 VRP routines do not discover a range.
3676 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
3677 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
3678 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
3679 (tree_expr_nonnegative_p): Similarly.
3680 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
3681 (restore_nonzero_vars_to_original_value): Remove.
3682 (unsafe_associative_fp_binop): Remove.
3683 (tree_ssa_dominator_optimize): Remove initialization and
3684 finalization of nonzero_vars and nonzero_vars_stack.
3685 (dom_opt_initialize_block): No longer push marker on
3687 (dom_opt_finalize_block): No longer call
3688 restore_nonzero_vars_to_original_value.
3689 (record_equivalences_from_phis): No longer look for
3690 nonzero PHI arguments.
3691 (cprop_into_successor_phis): No longer propagate nonzero
3692 property into PHI arguments. Lose unused argument. Caller
3694 (record_equivalences_from_stmt): No longer record nonzero
3695 values for SSA_NAMEs.
3696 (lookup_avail_expr): No longer use nonzero_vars.
3698 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
3699 for sizetype when sizetype is unsigned.
3701 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
3703 PR rtl-optimization/25603
3704 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
3705 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
3706 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
3707 with new meaning of SETS.
3709 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
3714 * config/linux.opt: New file.
3715 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3716 LINUX_DYNAMIC_LINKER): Define.
3717 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
3718 * config.gcc (*-*-linux*): Define extra_options.
3719 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
3720 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
3721 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
3722 GLIBC_DYNAMIC_LINKER.
3723 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
3724 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3725 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3726 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3727 * doc/invoke.texi (GNU/Linux Options): New section.
3729 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3731 * config/sparc/sparc.md (setjmp): Rewrite.
3732 (setjmp_32): Delete.
3733 (setjmp_64): Likewise.
3735 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
3737 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
3740 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3742 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
3745 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3747 PR rtl-optimization/26296
3748 * Makefile.in (loop-invariant.c): Add except.h dependency.
3749 * loop-invariant.c: Include except.h.
3750 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
3752 2005-02-16 Paul Brook <paul@codesourcery.com>
3754 * reload1.c (emit_reload_insns): Invalidate dead input registers used
3757 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
3759 PR rtl-optimization/25636
3760 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
3761 when deciding whether an insn is an initializing insn.
3763 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
3765 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
3766 (tree_code_size): Ditto.
3767 * tree.h (struct tree_memory_tag): Remove parent_var.
3768 (struct tree_struct_field_tag): New.
3771 (union tree_node): Add sft member.
3772 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
3774 (create_sft): Add size and offset argument, set SFT_OFFSET and
3776 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
3777 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
3778 * tree-flow-inline.h (get_subvar_at): Update for
3779 SFT_OFFSET/SFT_SIZE.
3780 (var_can_have_subvars): Ditto.
3781 (overlap_subvar): Ditto.
3782 * print-tree.c (print_node): Print out interesting things for
3784 * tree-flow.h (struct subvar): Remove offset and size members.
3785 * tree-ssa-operands.c (get_expr_operands): Update for
3786 get_indirect_ref_operands changes.
3787 (get_indirect_ref_operands): Call add_virtual_operand instead of
3788 add_stmt_operand. Only recurse on base var if requested.
3789 (access_can_touch_variable): New function.
3790 (add_stmt_operand): Split virtual operand handling into ...
3791 (add_virtual_operand): Here. Add offset, size, and for_clobber
3792 arguments. Prune alias sets.
3793 (add_call_clobber_ops): Call add_virtual_operand.
3795 2006-02-15 Jakub Jelinek <jakub@redhat.com>
3798 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
3800 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
3801 than TREE_CODE as index into omp_clause_num_ops array.
3803 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
3805 PR rtl-optimization/26184
3806 * modulo-sched.c (generate_reg_moves): Free bitmap vector
3808 * modulo-sched.c (sms_schedule): Free g_arr pointer.
3809 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
3810 must_precede, must_follow and tobe_scheduled.
3813 * opts.c (common_handle_option): Free new_option pointer.
3814 * df-core.c (df_analyze): Free postorder pointer.
3816 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3818 * Makefile.in: Fix the examples about the use of stamps
3820 2006-02-15 Michael Matz <matz@suse.de>
3824 * stor-layout.c (layout_decl): Zero-width bitfields aren't
3825 influenced by maximum_field_alignment or DECL_PACKED.
3826 (update_alignment_for_field): Ditto.
3827 (place_field): Ditto.
3828 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
3831 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
3833 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
3834 (debug_flow_info): Pass it.
3835 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
3836 * bb-reorder.c (reorder_basic_blocks): Likewise.
3837 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
3838 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
3839 * flow.c (life_analysis, recompute_reg_usage): Likewise.
3840 * gcse.c (gcse_main, bypass_jumps): Likewise.
3841 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
3842 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
3843 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
3844 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
3845 * rtl.h (dump_flow_info): Adjust prototype.
3846 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
3847 * var-tracking.c (variable_tracking_main): Likewise.
3848 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
3849 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
3852 2006-02-15 Marcin Dalecki <martin@dalecki.de>
3854 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
3857 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3859 PR tree-optimization/26209
3860 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
3861 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
3863 * tree-cfg.c (replace_uses_by): Do not alter cfg.
3865 2006-02-14 Roger Sayle <roger@eyesopen.com>
3868 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
3869 (X,Y) and the corresponding symmetry related transformations.
3870 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
3871 (X,Y) and its symmetry related transformations.
3873 2006-02-14 Roger Sayle <roger@eyesopen.com>
3875 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
3878 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
3880 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
3882 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3885 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
3886 support COMDAT group.
3887 * configure: Regenerate.
3889 2006-02-14 Roger Sayle <roger@eyesopen.com>
3894 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
3896 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
3898 Fix PR tree-optimization/26260
3900 * doc/invoke.texi (max-fields-for-field-sensitive): Document
3902 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
3903 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
3904 * tree-ssa-structalias.c (create_variable_info_for): Use
3905 MAX_FIELDS_FOR_FIELD_SENSITIVE.
3907 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3909 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
3911 * tree-ssa-loop-niter.c (number_of_iterations_ne,
3912 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
3913 of the ending condition.
3914 * tree-ssa-loop-manip.c: Include params.h.
3915 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
3916 tree_unroll_loop): New functions.
3917 * tree-pass.h (pass_loop_prefetch): Declare.
3918 * loop.c (rest_of_handle_loop_optimize): Test for
3919 -fprefetch-loop-arrays-rtl.
3920 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
3921 * timevar.def (TV_TREE_PREFETCH): New timevar.
3922 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
3923 pass_loop_prefetch): New.
3924 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
3925 (cleanup_tree_cfg_loop): Call scev_reset.
3926 * common.opt (fprefetch-loop-arrays-rtl): Add.
3927 * tree-ssa-loop-prefetch.c: New file.
3928 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
3929 (new_temp_expr_table): Initialize expr_vars.
3930 (free_temp_expr_table): Cleanup expr_vars.
3931 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
3932 expressions from being merged into one.
3933 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
3934 (struct tree_niter_desc): Add control, bound and cmp fields.
3935 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
3937 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
3938 (tree-cfgcleanup.o): Add SCEV_H dependency.
3939 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
3940 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
3942 2006-02-14 Richard Guenther <rguenther@suse.de>
3944 PR tree-optimization/26258
3945 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
3946 in PHI argument processing.
3948 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
3950 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
3951 new expression in the requested machine mode.
3953 2006-02-13 Roger Sayle <roger@eyesopen.com>
3955 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
3956 directly, instead let do_compare_rtx_and_jump handle this for us.
3957 * expr.c (expand_expr_real_1): Likewise.
3958 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
3959 before do_jump_by_parts_greater.
3960 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
3961 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
3963 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3965 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
3967 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3969 PR rtl-optimization/26235
3970 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
3971 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
3974 2006-02-13 Jeff Law <law@redhat.com>
3976 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
3979 2006-02-13 Jakub Jelinek <jakub@redhat.com>
3982 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
3983 twice if decl is a builtin. When trying again, call get_callee_fndecl
3984 first to verify it is still a builtin.
3986 2006-02-13 Geoffrey Keating <geoffk@apple.com>
3988 * dwarf2out.c (base_type_die): Don't add AT_name here.
3989 (subrange_type_die): Don't add AT_name here.
3990 (modified_type_die): Rearrange code flow. Do add AT_name here.
3992 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3994 PR rtl-optimization/26247
3995 PR rtl-optimization/26248
3996 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
3998 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4000 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4001 * config/fixtfdi.c: Likewise.
4002 * config/fixunstfdi.c: Likewise.
4003 * config/floatditf.c: Likewise.
4005 2006-02-13 Roger Sayle <roger@eyesopen.com>
4008 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4009 into (X,C2) if C1 is a subset of the bits of C2. Transform
4010 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4012 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4014 2006-02-13 Josh Conner <jconner@apple.com>
4017 * varasm.c (function_section): Check for section name before
4018 calling select_section on targets that define
4019 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4020 unlikely_text_section instead of hot_function_section if
4021 first_function_block_is_cold.
4023 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4026 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4028 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4030 PR rtl-optimization/26222
4031 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4032 after tree->rtl expansion.
4033 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4034 before passing it to emit_move_insn.
4036 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4038 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4040 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4041 Clarify documentation.
4042 * c-common.h (warn_write_strings): Remove.
4043 * c-common.c (warn_write_strings): Likewise.
4044 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4047 2006-02-12 Roger Sayle <roger@eyesopen.com>
4050 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4051 (do_jump_parts_zero_rtx): New function renamed from
4052 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4053 (do_jump_parts_equality_rtx): New function split out from
4054 do_jump_parts_equality. Old implementation renamed as above.
4055 Call do_jump_parts_zero_rtx if either operand is zero.
4056 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4057 do all of the heavy lifting.
4058 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4059 calling either do_jump_by_parts_greater_rtx or
4060 do_jump_by_parts_equality_rtx.
4061 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4062 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4063 moved to do_compare_rtx_and_jump, call it directly.
4064 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4065 mode argument. Call do_compare_rtx_and_jump.
4066 (emit_case_nodes): Update calls to do_jump_if_equal.
4068 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4070 PR rtl-optimization/26225
4071 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4073 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4075 PR rtl-optimization/26232
4076 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4078 2006-02-11 Jason Merrill <jason@redhat.com>
4081 * tree-inline.c (declare_return_variable): Just don't use the
4082 modify target if it's a gimple complex reg and the return slot
4085 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4087 * doc/contrib.texi: Update my entry.
4089 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4091 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4093 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4095 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4098 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4100 * doc/invoke.texi (-floop-optimize2): Removed.
4101 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4102 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4103 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4104 * common.opt (floop-optimize2): Removed.
4105 (fmove-loop-invariants): Enabled by default.
4107 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4109 * tree-if-conv.c (combine_blocks): Free the result of
4110 get_loop_exit_edges.
4112 2006-02-10 Jeff Law <law@redhat.com>
4114 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4116 PR tree-optimization/26213
4117 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4118 loop trying to follow SSA_NAME_VALUE chains.
4120 2006-02-10 Richard Guenther <rguenther@suse.de>
4122 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4123 deal with structures that end in implicitly variable sized arrays.
4125 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4127 PR rtl-optimization/24762
4128 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4131 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4133 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4134 (struct ivopts_data): Add regs_used field.
4135 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4136 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4137 instead of loop_data->regs_used;
4138 (free_loop_data): Do not free aux fields for loops.
4139 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4140 and tree_ssa_iv_optimize_finalize.
4142 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4144 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4146 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4149 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4150 computing the effective result type.
4152 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4155 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4156 (tree_overlaps_hard_reg_set): Declare.
4157 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4158 type and signature to match function type expected by walk_tree.
4159 (tree_overlaps_hard_reg_set): New function.
4160 (decl_conflicts_with_clobbers_p): Rename to:
4161 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4162 Use tree_overlaps_hard_reg_set. Changed caller.
4163 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4164 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4165 * cris.c (cris_md_asm_clobbers): Likewise.
4167 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4169 * reload1.c (emit_input_reload_insns): Delete code that tries to
4170 inherit using find_equiv_reg.
4172 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4174 * c-common.h (flag_const_strings): Don't declare.
4175 * c-common.c (flag_const_strings): Remove.
4176 * c.opt (fconst_strings): Remove.
4177 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4178 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4179 (c_common_init_options): Don't set flag_const_strings.
4180 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4182 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4184 * arm.md (tlobits_cbranch): New pattern.
4185 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4186 testing a single bit.
4188 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4191 * tree-ssa-pre.c (create_component_ref_by_pieces):
4192 Handle RETURN_DECL like VAR_DECL.
4194 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4197 * fold-const.c (fold_indirect_ref_1): Fold
4198 "*(foo *)&complexfoo" to "__real__ complexfoo"
4199 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4201 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4203 * tree-flow-inline.h (var_can_have_subvars):
4204 Volatile variables should not have subvariables.
4206 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4209 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4210 multiplying unsigned values.
4213 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4215 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4217 2006-02-08 Jason Merrill <jason@redhat.com>
4220 * tree.def: Elaborate on difference from MODIFY_EXPR.
4221 * doc/c-tree.texi (INIT_EXPR): Likewise.
4222 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4223 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4224 (gimplify_target_expr): Likewise.
4225 (gimplify_cond_expr): Remove target handling.
4226 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4227 (gimplify_expr): Clobber it here.
4228 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4229 Do return slot optimization if we have an INIT_EXPR.
4232 * tree-inline.c (declare_return_variable): Also clear
4233 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4236 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4239 * gimplify.c (gimplify_one_sizepos): Fix typo.
4241 2006-02-08 Jeff Law <law@redhat.com>
4243 PR tree-optimization/21417
4244 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4245 across a backedge if the control statement at the end of the
4246 block is data dependent on other statements in the same block.
4247 (record_temporary_equivalences_from_stmts): Remove over-conservative
4248 test for threading across backedges.
4250 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4251 control statement, handle all three special cases in the same
4252 manner as they all have the same desired solution. No longer
4253 special case edge flag updating when the post dominator is
4256 2006-02-08 Roger Sayle <roger@eyesopen.com>
4258 * tree.def (CHAR_TYPE): Remove.
4259 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4260 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4261 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4262 (gen_string_type_die): Delete unreachable function.
4264 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4265 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4266 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4267 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4268 * builtins.c (type_to_class): Likewise.
4269 * fold-const.c (fold_convert, build_range_check,
4270 merge_ranges): Likewise.
4271 * expr.c (count_type_elements): Likewise.
4272 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4273 * stor-layout.c (layout_type): Likewise.
4274 * ipa-type-escape.c (type_to_consider): Likewise.
4275 * gimplify.c (omp_firstprivatize_type_sizes,
4276 gimplify_type_sizes): Likewise.
4277 * explow.c (promote_mode): Likewise.
4278 * tree-sra.c (is_sra_scalar_type): Likewise.
4279 * varasm.c (output_constant): Likewise.
4280 * tree-inline.c (remap_type_1): Likewise.
4281 * convert.c (convert_to_pointer, convert_to_real,
4282 convert_to_integer, convert_to_complex): Likewise.
4284 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4286 * df-scan.c (df_def_record_1): A set destination may
4287 be a parallel regardless of mode.
4289 2006-02-08 Roger Sayle <roger@eyesopen.com>
4292 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4293 * config/mips/_tilib.c: Remove.
4294 * config/fixtfdi.c: New libgcc source file.
4295 * config/fixunstfdi.c: New source file.
4296 * config/floatditf.c: New source file.
4297 * config/floatunditf.c: New souce file.
4298 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4299 files above instead of config/mips/_tilib.c.
4300 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4302 2006-02-08 Jeff Law <law@redhat.com>
4304 PR tree-optimization/26169
4305 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4308 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4310 * df.h (DF_REG_SIZE): Return the length of the initialized
4313 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4315 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4316 __muldf3): Return a correctly signed zero.
4318 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4320 * passes.c (register_one_dump_file): Accept the current properties
4321 instead of pass number. Adjust call to dump_register. Remove
4323 (register_dump_files): Now a wrapper around...
4324 (register_dump_files_1): ... this one. Do not modify the pass
4326 (next_pass_1): Cosmetic fix.
4327 (execute_todo): Keep second parameter only. Use curr_properties
4328 instead of fetching it from the pass structure. Check and set
4330 (execute_one_pass): Handle TODO_set_props. Use curr_properties
4331 instead of fetching it from the pass structure. Fix calls to
4332 execute_todo. Update curr_properties and initialize .vcg RTL dump
4333 after running the pass. Reset last_verified.
4334 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
4336 (FIRST_AUTO_NUMBERED_DUMP): New.
4337 (dump_register): Remove "num" parameter, assign it within the
4339 (get_dump_file_name): Modify template for dumps.
4340 * tree-dump.h (dump_register): Adjust prototype.
4341 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
4342 (PROP_trees): Add PROP_gimple_lomp.
4343 (TODO_set_props): New.
4344 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
4345 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
4346 * cfgexpand.c (pass_expand): Destroy PROP_trees.
4348 2006-02-08 Jakub Jelinek <jakub@redhat.com>
4350 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
4351 (sparc64-*-linux*): Likewise.
4352 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
4353 * config/sparc/t-linux: New file.
4354 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
4355 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
4356 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
4357 -m32 -mlong-double-128.
4359 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
4360 * config/alpha/t-linux: New file.
4361 * config/alpha/libgcc-alpha-ldbl.ver: New file.
4363 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
4364 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
4365 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
4366 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
4367 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
4368 (CPP_ARCH32_SPEC): Remove.
4370 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
4372 PR tree-optimization/26145
4373 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
4376 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4379 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
4380 >= 240000 when generating code for SOM runtime.
4381 (output_indirect_call): Don't use "b,l" instruction for indirect calls
4382 to $$dyncall when generating code for SOM runtime..
4384 2006-02-07 Dirk Mueller <dmueller@suse.com>
4387 * doc/invoke.texi (-Wsequence-point): Update documentation
4388 that -Wsequence-point is implemented for C++ as well.
4390 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4392 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
4393 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
4394 (LIB_SPEC): Likewise.
4395 * doc/invoke.texi (SPARC options): Document -pthread.
4397 2006-02-07 Geoffrey Keating <geoffk@apple.com>
4399 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
4402 2006-02-07 Roger Sayle <roger@eyesopen.com>
4404 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
4405 Correct comment describing BOOLEAN_TYPE.
4407 2006-02-07 Dirk Mueller <dmueller@suse.com>
4409 * c.opt: C++ frontend supports -Wdiv-by-zero.
4410 * c-opts.c (c_common_handle_option): Remove dead case.
4412 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4414 * configure.ac (TLS assembler check): Do not enable TLS by
4415 default on SPARC/Solaris before version 10.
4416 * configure: Regenerate.
4418 2006-02-07 David Edelsohn <edelsohn@gnu.org>
4420 * doc/invoke.texi (xl-compat): Document conversion and support
4423 2006-02-07 Jeff Law <law@redhat.com>
4425 * tree-vrp.c (find_conditional_asserts): Update comments.
4426 (simplify_stmt_for_jump_threading): New.
4427 (identify_jump_threads, finalize_jump_threads): New.
4428 (vrp_finalize): Call identify_jump_threads.
4429 (execute_vrp): Call finalize_jump_threads.
4430 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
4431 (vrp_element, vrp_data, vrp_element_p): Remove.
4432 (vrp_hash_elt, vrp_variables_stack): Remove.
4433 (vrp_hash, vrp_eq, record_range): Remove.
4434 (simplify_cond_and_lookup_avail_expr): Remove.
4435 (extract_range_from_cond): Remove.
4436 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
4437 (simplify_stmt_for_jump_threading): New.
4438 (dom_thread_across_edge): New wrapper.
4439 (tree_ssa_dominator_optimize): No longer initialize or
4440 finalize any of the VRP datastructures. Remove iteration
4441 step and simplify as a result of removal of iteration step.
4442 (pass_dominator): Perform a cfg cleanup after DOM.
4443 (dom_opt_finalize_block): Use the new common routines
4444 for threading jumps. Simplify stack management slightly.
4445 No longer need to unwind VRP state.
4446 (record_equivalences_from_incoming_edge): No longer record
4448 (eliminate_redundant_computations): No longer call
4449 simplify_cond_and_lookup_avail_expr.
4450 * tree-flow.h (potentially_threadable_block): Prototype.
4451 (thread_across_edge): Likewise.
4452 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
4453 (tree-ssa-threadedge.o): Add dependencies.
4454 * tree-ssa-threadedge.c: New file.
4455 * passes.c (init_optimization_passes): Merge PHIs before
4456 calling VRP. Run VRP again late in the SSA optimization pipeline.
4458 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4460 * df-core.c (df_set_blocks): Do not dereference function pointers.
4461 (df_finish1): Likewise.
4462 (df_hybrid_search_forward): Likewise.
4463 (df_hybrid_search_backward): Likewise.
4464 (df_iterative_dataflow): Likewise.
4465 (df_analyze_problem): Likewise.
4466 (df_compact_blocks): Likewise.
4467 (df_dump): Likewise.
4468 * df-scan.c (df_rescan_blocks): Likewise.
4469 (df_record_entry_block_defs): Likewise.
4471 * genconditions.c (write_conditions): Guard the definition of
4472 'insn_conditions' with the check on GCC version.
4473 (write_writer): Guard the traversal 'insn_conditions' with
4474 the check on GCC version.
4476 2006-02-07 Richard Guenther <rguenther@suse.de>
4480 2006-01-30 Richard Guenther <rguenther@suse.de>
4482 * gimplify.c (gimplify_target_expr): Handle easy cases
4483 without creating a temporary.
4485 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
4487 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
4488 use of float in probability computations. Use edge probabilities
4489 in place of statically computed probabilities.
4490 (min_spec_prob): New static variable.
4491 (schedule_insns): Initialize it.
4492 (GET_SRC_PROB): Removed.
4493 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
4495 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
4498 * config/ia64/unwind-ia64.c: Revert last change.
4499 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
4500 (INCOMING_FRAME_SP_OFFSET): Define.
4502 2006-02-06 Roger Sayle <roger@eyesopen.com>
4504 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
4506 2006-02-07 Ben Elliston <bje@au.ibm.com>
4508 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
4509 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
4510 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
4511 (ix86_return_in_memory): Handle TDmode.
4512 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
4513 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
4515 2006-02-06 Richard Sandiford <richard@codesourcery.com>
4517 * reorg.c (dbr_schedule): Use dump_file instead of file.
4519 2006-02-06 Steve Ellcey <sje@cup.hp.com>
4522 * config/ia64/predicates.md (extr_len_operand): New predicate.
4523 * config/ia64/ia64.md (extv): Tighten constraints.
4525 (*tbit_and_2): Ditto.
4526 (*tbit_and_3): Ditto.
4527 (*tbit_or_2): Ditto.
4528 (*tbit_or_3): Ditto.
4532 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
4535 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
4537 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4539 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
4540 loop_optimizer_init and loop_optimizer_finalize
4541 * tree-ssa-sink.c (execute_sink_code): Ditto.
4542 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4543 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
4544 tree_ssa_loop_done): Ditto.
4545 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
4546 * sched-ebb.c: Include output.h.
4547 (schedule_ebbs): Do not use dump argument.
4548 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
4549 * loop.c (loop_dump_stream): Removed.
4550 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
4552 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
4553 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
4554 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
4555 loop_iterations, strength_reduce, record_biv, record_giv,
4556 final_giv_value, check_final_value, check_ext_dependent_givs,
4557 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
4558 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
4559 dump_file instead of loop_dump_stream.
4560 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
4562 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
4564 * flow.c (life_analysis, rest_of_handle_life): Ditto.
4565 * haifa-sched.c: Include output.h
4566 (schedule_insns, sched_init): Do not use dump argument.
4567 * mode-switching.c (optimize_mode_switching): Ditto.
4568 * modulo-sched.c (stats_file): Removed.
4569 (print_node_sched_params): Do not call argument dump_file.
4570 (sms_schedule_by_order, loop_canon_p, sms_schedule,
4571 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
4573 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
4575 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
4576 rtl_loop_init, rtl_loop_done): Ditto.
4577 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
4578 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
4580 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
4581 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
4582 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
4583 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
4584 * emit-rtl.c (renumber_insns): Ditto.
4585 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
4586 expand_gimple_basic_block, tree_expand_cfg): Ditto.
4587 * regclass.c (regclass): Ditto.
4588 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
4589 remove_ssa_form, rewrite_out_of_ssa): Ditto.
4590 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
4591 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
4593 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
4594 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
4596 * gcse.c (gcse_file, debug_stderr): Removed.
4597 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
4598 rest_of_handle_gcse): Do not use dump argument.
4599 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
4600 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
4601 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
4602 compute_code_hoist_vbeinout, compute_code_hoist_data,
4603 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
4604 compute_store_table, build_store_vectors, insert_insn_start_bb,
4605 insert_store, remove_reachable_equiv_notes, replace_store_insn,
4606 store_motion): Use dump_file instead of gcse_file.
4607 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
4608 * profile.c (profile_dump_file): Removed.
4609 (branch_prob): Use dump_file instead of profile_dump_file.
4610 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
4612 * tree-ssa-copy.c (dump_copy_of): Ditto.
4613 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
4614 dump file to life_analysis.
4615 * bt-load.c (branch_target_load_optimize): Ditto.
4616 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
4618 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
4619 regclass, dbr_schedule): Declaration changed.
4620 * sched-int.h (sched_init): Declaration changed.
4621 * tree-profile.c (tree_profile_dump_file): Removed.
4622 (tree_profile_hooks): Removed profile_dump_file hook.
4623 * rtl-profile (rtl_profile_dump_file): Removed.
4624 (rtl_profile_hooks): emoved profile_dump_file hook.
4625 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
4627 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
4628 * tree-cfg.c (build_tree_cfg): Ditto.
4629 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
4630 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
4631 Declaration changed.
4632 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
4633 life_analysis and schedule_insns.
4634 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
4636 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
4638 * config/mips/mips.c (mips_reorg): Ditto.
4639 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
4642 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
4644 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4645 (s390_mangle_fundamental_type): New.
4646 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4649 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4650 (alpha_mangle_fundamental_type): New.
4651 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4654 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4656 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4658 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4659 (sparc_mangle_fundamental_type): New.
4661 2006-02-06 Jakub Jelinek <jakub@redhat.com>
4663 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
4664 (s390x-*-linux*): Likewise.
4665 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
4666 * config/s390/t-linux: New file.
4668 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4670 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
4671 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
4673 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
4675 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
4676 (ANTIC_SAFE_LOADS): New macro.
4677 (find_or_generate_expression): Add prototype.
4678 (set_contains_value): Allow null set for sake of not always having
4679 to allocate ANTIC_SAFE_LOADS.
4680 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
4681 Allow COMPONENT_REF too.
4682 (valid_in_set): Allow COMPONENT_REF.
4683 Check ANTIC_SAFE_LOADS too.
4684 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
4685 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
4687 (can_PRE_operation): Add COMPONENT_REF.
4688 (create_component_ref_by_pieces): New function.
4689 (create_expression_by_pieces): Use create_component_ref_by_pieces.
4690 (insert_aux): Move AGGREGATE_TYPE_P check here.
4691 (compute_avail): Set bb local stmt uids.
4692 (pass_pre): Use TODO_update_ssa_only_virtuals.
4694 2006-02-06 Ben Elliston <bje@au.ibm.com>
4696 * configure.ac: Unconditionally disable decimal float by default.
4697 * configure: Regenerate.
4699 2006-02-06 Ben Elliston <bje@au.ibm.com>
4701 * read-rtl.c (read_name): Terminate reading on EOF.
4703 2006-02-06 Ben Elliston <bje@au.ibm.com>
4705 * dfp.c (decimal_real_arithmetic): Change second argument type
4706 from int to enum tree_code. Do not always return true, but now
4707 return result of any call to decimal_do helper functions.
4708 * dfp.h (decimal_real_arithmetic): Update prototype.
4710 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
4712 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
4714 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
4717 * tree-cfg.c (cleanup_dead_labels): Also don't remove
4720 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4722 * tree-vrp.c (cfg_loops): Removed.
4723 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
4724 Use current_loops instead of cfg_loops. Pass flags to
4725 loop_optimizer_init.
4726 * cfgloopmanip.c (fix_loop_structure): Update only available
4728 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
4729 loop_optimizer_init.
4730 * modulo-sched.c (build_loops_structure): Removed.
4731 (sms_schedule): Use loop_optimizer_init.
4732 * loop-init.c (loop_optimizer_init): Use flags to determine
4733 which properties of loops to prepare.
4734 (rtl_loop_init): Pass flags to loop_optimizer_init.
4735 * tree-ssa-sink.c (execute_sink_code): Ditto.
4736 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
4737 * tree-ssa-pre.c (init_pre): Ditto.
4738 * cfgloop.h (LOOPS_NORMAL): New.
4739 (loop_optimizer_init): Declaration changed.
4741 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4743 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
4744 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
4746 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
4748 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
4750 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
4751 * pa/t-pa64: Delete quadlib.c rule.
4752 * pa/x-ada: Revert last change.
4753 * pa/t-pa: Revert last change. Delete quadlib.c rule.
4755 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4757 PR rtl-optimization/26087
4758 * rtlanal.c (canonicalize_condition): Do not cross basic block
4761 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
4764 * config/ia64/ia64.c: Include debug.h.
4765 (MAX_ARTIFICIAL_LABEL_BYTES): New.
4766 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
4767 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
4768 (process_epilogue, process_set, process_for_unwind_directive):
4769 Output unwind info only if requested. Add CFA info if requested.
4770 Add new arguments as needed. Adjust callers.
4771 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
4773 (DWARF2_FRAME_INFO): Define to zero.
4774 * config/ia64/unwind-ia64.c: Remove code that compensated for
4775 the CFA offset error fixed above.
4776 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
4777 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
4778 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
4779 -funwind-tables and -fexceptions to enable frame info.
4780 (dwarf2out_frame_init): Define initial CFA even if
4781 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
4782 DWARF2_UNWIND_INFO is nonzero, not just defined.
4783 (dwarf2out_frame_finish): Output non-EH call frame info only
4784 if DWARF2_FRAME_INFO is nonzero.
4785 (convert_cfa_to_loc_list,
4786 compute_frame_pointer_to_cfa_displacement): Define even if
4787 unwind info is not supported.
4788 (gen_subprogram_die): Use the above unconditionally. Remove
4789 legacy alternate code.
4790 * toplev.c (compile_file): Compile in call to
4791 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
4792 (lang_dependent_init): Ditto for dwarf2out_frame_init.
4794 2006-02-04 David Edelsohn <edelsohn@gnu.org>
4795 Jakub Jelinek <jakub@redhat.com>
4797 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
4798 IBM extended float format long double as "g" on powerpc*-linux.
4800 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4803 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
4804 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
4806 2006-02-03 Jason Merrill <jason@redhat.com>
4809 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
4812 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
4813 on the return slot if it's an NRV.
4815 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
4817 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
4818 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
4819 rewrite_use): Do not handle USE_OUTER.
4820 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
4821 add_iv_outer_candidates, may_replace_final_value,
4822 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
4823 (find_interesting_uses_op): Functionality of
4824 find_interesting_uses_outer_or_nonlin moved here.
4825 (find_interesting_uses_outside): Use find_interesting_uses_op.
4827 2006-02-03 Alan Modra <amodra@bigpond.net.au>
4830 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
4832 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
4833 Ulrich Weigand <uweigand@de.ibm.com>
4836 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
4837 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
4838 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
4839 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
4841 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
4842 (s390_rtx_costs): Use the new fields to calculate rtx costs.
4843 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
4844 Define secondary reloads for TFmode moves.
4845 (constant_modes): Add TFmode.
4846 (NR_C_MODES): Set to 8.
4847 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
4849 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
4850 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
4851 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
4852 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
4853 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
4854 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
4855 (FPR mode macro): Add TFmode.
4856 (DSF mode macro): New.
4857 (<de>, <dee> mode attributes): Removed.
4858 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
4859 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
4860 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
4861 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
4862 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
4863 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
4864 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
4865 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
4866 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
4867 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
4868 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
4869 "*negabs<mode>2", "sqrt<mode>2"):
4870 Changed <de> to <xde>. R constraint replaced by <Rf>.
4871 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
4873 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
4874 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
4875 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
4877 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
4878 "extenddftf2", "extendsftf2"): New expanders.
4879 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
4880 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
4881 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
4882 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
4884 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
4885 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
4886 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
4887 __floatditf): Add a GCC_4.1.0 symbol version tag.
4888 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
4891 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
4894 * config/i386/i386.c (ix86_function_ok_for_sibcall):
4895 Use targetm.binds_local_p instead of TREE_PUBLIC.
4897 2006-02-02 Roger Sayle <roger@eyesopen.com>
4899 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
4900 on INTEGER_TYPEs to indicate that it denotes a character type.
4901 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
4902 signed_char_type_node, unsigned_char_type_node and char_type_node.
4903 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
4904 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
4905 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
4907 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
4908 Daniel Berlin <dberlin@dberlin.org>
4910 * tree-tailcall.c (arg_needs_copy_p): New function.
4911 (eliminate_tail_call): Use arg_needs_copy_p.
4912 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
4913 (add_virtual_phis): New function.
4915 2006-02-02 Jakub Jelinek <jakub@redhat.com>
4917 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
4918 #ignore instead of #scratch for %g7 .register directive.
4920 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
4922 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
4925 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4927 * flow.c (calculate_global_regs_live): Assert that there aren't any
4930 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
4932 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
4934 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
4935 bsi_after_labels iterator.
4936 * tree-if-conv.c (find_phi_replacement_condition,
4937 replace_phi_with_cond_modify_expr): Likewise.
4938 * tree-scalar-evolution.c (scev_const_prop): Likewise.
4939 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
4941 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4943 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
4945 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4948 * tree-cfg.c (move_block_to_fn): Clear out the basic block
4949 array after growing it.
4951 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4954 * fold-const.c (fold_checksum_tree): Change type of buf.
4956 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
4958 * reload.c (push_secondary_reload): Initialize t_icode.
4960 2006-02-01 Jakub Jelinek <jakub@redhat.com>
4962 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
4963 -msoft-float -mlong-double-128 only issue a warning, but don't
4964 swich to DFmode long double.
4966 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
4968 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
4969 has a constant equivalent, iterate over equivalents for arg0,
4970 calling simplify_relational_operation and if there's a result
4971 cheaper than X, apply fold_rtx and return the result.
4973 2006-02-01 Jan Hubicka <jh@suse.cz>
4975 * opts.c (no_unit_at_a_time_default): New global variable.
4976 (decode_options): Use it.
4977 * opts.h (no_unit_at_a_time_default): Declare.
4979 2006-02-01 Paul Brook <paul@codesourcery.com>
4981 * function.c (assign_parm_setup_reg): Use function argument promotion
4983 * expr.c (expand_expr_real_1): Use function argument promotion rules
4986 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4988 * gcc.c (process_command): Change j to 'unsigned int'.
4990 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4993 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
4994 Use the corrected index for the character
4995 out of the string constant.
4997 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4999 * mode-switching.c (optimize_mode_switching): Fix size
5000 allocated for bb_info[n_entities].
5002 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5004 * gcc.c (main): Correct type that is allocated for
5005 explicit_link_files.
5007 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5009 * config/s390/s390.c (init_alignment_context): Set
5010 ALIAS_SET_MEMORY_BARRIER on the MEM.
5011 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5013 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5016 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5018 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5021 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5023 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5024 * regrename.c: Ditto.
5025 * tree-ssa-loop-im.c: Ditto.
5026 * tree-dump.c: Ditto.
5027 * tree-complex.c: Ditto.
5028 * genrecog.c: Ditto.
5029 * tree-ssa-threadupdate.c: Ditto.
5031 * java/class.c: Ditto.
5032 * java/jcf-parse.c: Ditto.
5033 * java/resource.c: Ditto.
5034 * java/except.c: Ditto.
5035 * java/jvspec.c: Ditto.
5036 * java/jcf-write.c: Ditto.
5037 * java/jcf-path.c: Ditto.
5038 * java/gjavah.c: Ditto.
5039 * java/zextract.c: Ditto.
5040 * java/jcf-io.c: Ditto.
5041 * java/jcf.h: Ditto.
5042 * java/buffer.c: Ditto.
5043 * java/lang.c: Ditto.
5044 * java/parse-scan.y: Ditto.
5045 * java/lex.c: Ditto.
5046 * java/lex.h: Ditto.
5047 * cfgloopmanip.c: Ditto.
5048 * postreload-gcse.c: Ditto.
5049 * tree-ssa-loop-manip.c: Ditto.
5050 * postreload.c: Ditto.
5051 * tree-ssa-loop-ch.c: Ditto.
5055 * diagnostic.c: Ditto.
5057 * genoutput.c: Ditto.
5059 * cfghooks.c: Ditto.
5060 * cfgloopanal.c: Ditto.
5061 * objc/objc-act.c: Ditto.
5063 * genextract.c: Ditto.
5064 * genautomata.c: Ditto.
5065 * pretty-print.c: Ditto.
5067 * cgraphunit.c: Ditto.
5070 * haifa-sched.c: Ditto.
5071 * dominance.c: Ditto.
5073 * tree-ssa-loop-ivopts.c: Ditto.
5075 * mode-switching.c: Ditto.
5076 * modulo-sched.c: Ditto.
5078 * ipa-pure-const.c: Ditto.
5080 * fix-header.c: Ditto.
5082 * tree-stdarg.c: Ditto.
5083 * ipa-utils.c: Ditto.
5084 * loop-init.c: Ditto.
5085 * ipa-inline.c: Ditto.
5088 * alloc-pool.c: Ditto.
5089 * dwarf2out.c: Ditto.
5091 * genattrtab.c: Ditto.
5092 * tree-ssa-loop-ivcanon.c: Ditto.
5096 * fortran/gfortranspec.c: Ditto.
5098 * local-alloc.c: Ditto.
5099 * langhooks.c: Ditto.
5100 * function.c: Ditto.
5101 * tree-vectorizer.c: Ditto.
5103 * ipa-type-escape.c: Ditto.
5105 * tree-if-conv.c: Ditto.
5108 * tree-data-ref.c: Ditto.
5109 * loop-unroll.c: Ditto.
5110 * treelang/treetree.c: Ditto.
5113 * ggc-common.c: Ditto.
5115 * coverage.c: Ditto.
5117 * tree-cfgcleanup.c: Ditto.
5118 * tree-ssa-pre.c: Ditto.
5119 * cfgcleanup.c: Ditto.
5120 * loop-invariant.c: Ditto.
5122 * ipa-prop.c: Ditto.
5123 * print-tree.c: Ditto.
5124 * conflict.c: Ditto.
5125 * ggc-page.c: Ditto.
5126 * sched-deps.c: Ditto.
5127 * regclass.c: Ditto.
5128 * tree-object-size.c: Ditto.
5130 * bb-reorder.c: Ditto.
5131 * resource.c: Ditto.
5132 * var-tracking.c: Ditto.
5134 * df-problems.c: Ditto.
5135 * reg-stack.c: Ditto.
5138 * sched-rgn.c: Ditto.
5139 * tree-ssa-structalias.c: Ditto.
5140 * tree-ssa-reassoc.c: Ditto.
5141 * config/darwin-c.c: Ditto.
5142 * config/darwin.c: Ditto.
5143 * config/arm/arm.c: Ditto.
5145 * collect2.c: Ditto.
5148 2006-01-31 Nicolas Pitre <nico@cam.org>
5150 * arm.md (smaxsi3): Make aware of smax_m1.
5153 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5155 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5157 2006-01-31 Richard Guenther <rguenther@suse.de>
5159 * doc/invoke.texi (-msselibm): Document.
5160 * target.h (expand_library_builtin): New target hook.
5161 * builtins.c (expand_builtin): Use expand_library_builtin.
5162 (default_expand_library_builtin): New function.
5163 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5164 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5165 (link_gcc_math_spec): Declare.
5166 (static_specs): Add link_gcc_math_spec.
5167 * expr.h (default_expand_library_builtin): Declare.
5168 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5169 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5170 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5171 * config/i386/i386.opt (msselibm): New target option.
5172 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5173 (ix86_init_sse_abi_builtins): New function.
5174 (ix86_expand_library_builtin): Likewise.
5175 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5176 (override_options): Handle error conditions wrt -msselibm.
5177 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5178 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5179 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5182 2006-01-31 Richard Guenther <rguenther@suse.de>
5183 Paolo Bonzini <bonzini@gnu.org>
5185 * doc/install.texi (--disable-libgcc-math): Document.
5187 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5189 * expr.h (expand_normal): new inline function.
5190 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5192 * dwarf2out.c: use it.
5197 * config/sparc/sparc.c: use it.
5198 * config/i386/i386.c: use it.
5199 * config/rs6000/rs6000.c: use it.
5200 * config/arm/arm.c: use it.
5201 * config/mips/mips.c: use it.
5202 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5204 2006-01-30 Roger Sayle <roger@eyesopen.com>
5206 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5207 argv to the appropriate type.
5209 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5211 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5214 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5217 * config/s390/s390.c (struct machine_function): New flag
5218 decomposed_literal_pool_addresses_ok_p.
5219 (s390_reorg): Set it before final stage of literal pool transforms.
5220 (s390_decompose_address): Only accept displacements of the form
5221 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5223 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5225 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5226 the comparison routine return.
5228 2006-01-30 Michael Matz <matz@suse.de>
5230 * global.c (find_reg): Only evict for global regs.
5231 Take n_refs into account and dump more info.
5233 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5236 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5237 (pragma_trap, pragma_nosave_low_regs): Likewise.
5238 (current_function_anonymous_args): Likewise.
5239 (sh_deferred_function_attributes): New variable.
5240 (sh_deferred_function_attributes_tail): Likewise.
5241 (print_operand): For '@', look up trap_exit attribute.
5242 (calc_live_regs): Look up trapa_handler attribute. For trapa
5243 handlers, save/restore fpscr, but don't do any other
5244 interrupt-specific saves.
5245 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5246 Fix check for partially saved registers to check for SHmedia.
5247 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5248 (sh_output_function_epilogue): Don't clear any of the removed
5250 (sh_insert_attributes): Don't check pragma_interrupt.
5251 Insert deferred attributes. Check that interrupt attribute is
5252 present for other attributes that require its presence.
5253 (sh_attribute_table): Add new attributes trapa_handler and
5255 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5256 Don't check for pragma_interrupt. Don't store argument.
5257 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5258 (sh_deferred_function_attributes): Declare.
5259 (sh_deferred_function_attributes_tail): Likewise.
5260 * sh.md (sp_switch_1): Add operand. Change generator caller.
5261 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5262 (*return_i): Don't use when trap_exit attribute is in effect.
5263 (*return_trapa): New insn pattern.
5265 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5266 setting c_target_objs and cxx_target_objs.
5267 * t-sh: Add rule for sh-c.o.
5269 2006-01-30 Richard Guenther <rguenther@suse.de>
5272 * gimplify.c (gimplify_target_expr): Handle easy cases
5273 without creating a temporary.
5275 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5277 * vec.h (safe_grow): Remove duplicated line.
5279 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5282 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5283 (expand_omp): ... here.
5284 (expand_omp_parallel): Only remove barriers for combined
5285 parallel+workshare constructs.
5287 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5291 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5292 * tree.c (build_qualified_type): Chain the new type to the original
5293 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5294 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5295 (build_pointer_type_for_mode): Only return unqualified types.
5296 (build_reference_type_for_mode): Likewise.
5298 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5300 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5301 * Makefile.in (CXX_COMPAT_WARN): Define.
5302 * configure: Regenerate.
5304 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5307 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5310 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5312 * toplev.c: Fix thinko.
5314 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5315 Marcin Dalecki <martin@dalecki.de>
5317 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5318 (push_srcloc): Use XNEW.
5319 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5321 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5323 * df-core.c (df_set_blocks): Deleted all variable.
5325 2006-01-28 Ian Lance Taylor <ian@airs.com>
5327 * cgraphunit.c (cgraph_assemble_pending_functions): Call
5328 cgraph_output_pending_asms.
5330 2006-01-28 Zack Weinberg <zackw@panix.com>
5332 * c.opt: Add -W(no-)overlength-strings.
5333 * doc/invoke.texi: Document it.
5334 * c-opts.c (c_common_handle_option): -pedantic implies
5335 -Woverlength-strings, if not explicitly disabled already.
5336 (c_common_post_options): -Woverlength-strings defaults to off, and
5337 is always off for C++.
5338 * c-common.c (fix_string_type): Issue warning about strings longer
5339 than is portable only if warn_overlength_strings. Rearrange code
5340 a little for clarity.
5341 * configure.in: Check for -Wno-overlength-strings as well before
5342 enabling -pedantic in stage 1.
5343 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
5344 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
5346 * genconditions.c (write_header, write_one_condition)
5347 (write_conditions, write_writer): Consolidate very long strings
5348 that were broken up to fit in C89 portable limit. Don't use
5349 printf when fputs will do.
5351 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
5353 * combine.c (simplify_comparison <AND>): Check
5354 TRULY_NOOP_TRUNCATION before start using a subreg.
5356 * config/mips/mips.md (*branch_zero<mode>,
5357 *branch_zero<mode>_inverted, *branch_equality<mode>,
5358 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
5359 Remove mode check from comparisons.
5361 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
5363 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
5365 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5367 * expmed.c (const_mult_add_overflow_p): Remove.
5368 * expr.h: Remove the prototype for const_mult_add_overflow_p.
5370 * recog.c (validate_replace_rtx_subexp): Remove.
5371 * recog.h: Remove the prototype for
5372 validate_replace_rtx_subexp.
5374 * integrate.h: Remove the prototype for
5375 copy_decl_for_inlining.
5376 * rtl.h: Remove the prototype for mark_constant_function.
5377 * tree-vectorizer.h: Remove the prototype for
5378 vect_strip_conversion.
5380 * modulo-sched.c (create_partial_schedule,
5381 free_partial_schedule, reset_partial_schedule): Make them
5384 * hooks.c (hook_bool_rtx_int_false): Remove.
5385 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
5387 2006-01-28 David Edelsohn <edelsohn@gnu.org>
5389 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5390 and -mlong-double-128 are incompatible.
5391 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
5392 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
5393 (TARGET_LIBGCC2_CFLAGS): Define.
5394 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
5395 (TARGET_LIBGCC2_CFLAGS): Same.
5396 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
5398 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5401 * c-typeck.c (build_binary_op): Perform implicit casts of
5402 operands before shortening them.
5404 * cfgloopmanip.c (split_loop_bb): Remove.
5405 * cfgloop.h: Remove the prototype for split_loop_bb.
5407 * cfgloop.c (flow_loop_outside_edge_p): Remove.
5408 * cfgloop.h: Remove the prototype for
5409 flow_loop_outside_edge_p.
5411 * emit-rtl.c (init_virtual_regs): Make it static.
5412 * function.h: Remove the prototype for init_virtual_regs.
5414 * recog.c (peephole2_optimize): Make it static.
5415 * recog.h: Remove the prototype for peephole2_optimize.
5417 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5419 * df-scan.c (df_record_entry_block_defs): Check if
5420 INCOMING_RETURN_ADDR_RTX is defined.
5422 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
5423 Kenneth Zadeck <zadeck@naturalbridge.com>
5425 PR rtl-optimization/24762
5426 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5427 * targhooks.c (hook_void_bitmap): New hook prototype.
5428 * targhoohs.h (hook_void_bitmap): Ditto.
5429 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
5430 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
5431 * target.h (live_on_entry): New function pointer.
5432 * df-scan.c (df_all_hard_regs): Removed.
5433 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
5434 (df_scan_free_internal): Added df->entry_block_defs.
5435 (df_scan_alloc): Ditto.
5436 (df_scan_dump): Ditto.
5437 (df_uses_record): Plumbed flag field properly thru calls.
5438 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
5439 This part fixes PR24762.
5440 (df_bb_refs_record): Added code to make the frame and arg
5441 pointers live in EH blocks.
5442 (df_refs_record): Added call to df_record_entry_block_defs.
5443 (df_record_entry_block_defs): New function.
5444 * df-core.c: Added comments to describe new artifical defs.
5445 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
5446 (entry_block_defs): New field in struct df.
5447 (df_all_hard_regs): Deleted.
5448 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5449 * df-problems.c (df_ru_bb_local_compute_process_def):
5450 Added code to handle artifical defs in the entry to a function.
5451 (df_ru_bb_local_compute): Ditto.
5452 (df_rd_bb_local_compute_process_def): Ditto.
5453 (df_rd_bb_local_compute): Ditto.
5454 (df_lr_bb_local_compute): Ditto.
5455 (df_ur_bb_local_compute): Ditto.
5456 (df_urec_bb_local_compute): Ditto.
5457 (df_chain_create_bb): Ditto.
5458 (df_ur_local_finalize): Removed entry.
5459 (df_urec_init): Ditto.
5460 (df_urec_local_finalize): Ditto.
5461 (df_ri_bb_compute): Added detection of last use of pseudos.
5462 * Makefile.in (df-scan.o): Updated dependencies.
5463 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
5464 * config/mips/mips.c (mips_set_live_on_entry): Added.
5465 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
5467 * dce.c (marked_insn_p): Added code to handle artifical defs.
5469 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5471 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
5473 (_mm_cvtsi128_si64): Likewise.
5474 (_mm_cvtsd_si64): Likewise.
5475 (_mm_cvttsd_si64): Likewise.
5476 (_mm_cvtsi64_sd): Likewise.
5477 (_mm_cvtsi64_si128): Likewise.
5478 * config/i386/mmintrin.h (_m_from_int64): Likewise.
5479 (_mm_cvtsi64_m64): Likewise.
5480 (_m_to_int64): Likewise.
5481 (_mm_cvtm64_si64): Likewise.
5482 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
5483 (_mm_cvttss_si64): Likewise.
5484 (_mm_cvtsi64_ss): Likewise.
5485 (_mm_cvtss_f32): Likewise.
5487 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
5489 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
5490 for pragma redefine_extname.
5492 2006-01-27 Jakub Jelinek <jakub@redhat.com>
5495 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
5496 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
5497 -mno-minimal-toc to previous content.
5498 (bispecs): Remove goal.
5499 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
5500 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
5501 compatibility aliases on powerpc-*-*gnu*.
5502 * config/rs6000/libgcc-ppc-glibc.ver: New file.
5503 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
5504 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
5505 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
5506 (ldblspecs): New goal.
5507 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
5508 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
5510 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
5511 L_sf_to_tf or L_df_to_tf is defined.
5513 2006-01-27 David Edelsohn <edelsohn@gnu.org>
5514 Alan Modra <amodra@bigpond.net.au>
5517 * config/rs6000/linux.h (POWERPC_LINUX): Define.
5518 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
5519 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
5520 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
5521 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
5522 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
5523 (rs6000_override_options): Initialize rs6000_ieeequad.
5524 Initialize TFmode format to ibm_extended_format if not
5526 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
5528 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
5529 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
5530 (function_arg_advance): IBM long double passed in two FPRs, not
5532 (function_arg): IBM long double passed in FPRs.
5533 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
5534 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
5535 Only multireg GPR aligned.
5536 (rs6000_init_libfuncs): Enable IBM long double functions if not
5538 (rs6000_generate_compare): Use IBM long double compare if not
5540 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
5541 (TARGET_IEEEQUAD): Define.
5542 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
5543 not TARGET_IEEEQUAD.
5544 * config/rs6000/rs6000.md: Enable TFmode patterns if
5546 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
5547 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5548 and -mlong-double-128 are incompatible.
5549 * doc/invoke.texi (-mabi): Collect options together. Add
5550 ibmlongdouble and ieeelongdouble.
5552 2006-01-27 Richard Sandiford <richard@codesourcery.com>
5554 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
5556 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
5557 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
5558 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
5559 * rtl.h (rtunion_def): Remove rt_ptr.
5561 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
5562 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
5563 * config/i386/winnt.c (i386_pe_mark_dllexport)
5564 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
5566 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
5568 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
5570 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5574 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
5575 pthread_key_delete. From John David Anglin. gthrw-ify
5576 pthread_getunique_np only if it it's not a macro. Delete
5578 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
5579 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
5580 __gthread_objc_condition_signal, __gthread_key_delete): Add
5581 "__attribute__ ((__unused__))" to unused arguments.
5582 (__gthread_recursive_mutex_init_function): Add missing return.
5583 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
5584 gthr-posix95.h: Use macro-based approach for name redirection
5585 on targets missing weakref.
5587 2006-01-26 Zack Weinberg <zackw@panix.com>
5589 * genconditions.c (write_header): In generated code, #ifdef out
5590 all includes and fake declarations, except includes of bconfig.h
5591 and system.h, unless GCC_VERSION >= 3001. Do not include
5592 gensupport.h in any case.
5593 (write_conditions): Generate a definition of struct c_test. Add
5594 a comment to the generated #endif.
5595 (write_one_condition): Escape backslashes in string too.
5596 (write_writer): Generated code must escape backslashes and quote
5597 marks (but not newlines) in the strings it writes.
5598 * Makefile.in (build/gencondmd.o): Update dependencies.
5600 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5603 * Makefile.in (insn-automata.o): Add header file dependencies.
5604 * genautomata.c: Add includes.
5606 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5609 * Makefile.in (insn-automata.o): Add -Wno-error flag.
5611 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5613 * configure.ac: Expect target tools paths to be passed from the toplevel
5614 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
5616 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
5618 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5621 * c.opt (Wpointer-sign): Init to -1.
5622 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
5623 OPT_pedantic, to 0 otherwise.
5624 * doc/invoke.texi: Update.
5626 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5628 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
5629 constants provided by 80387 instructions in the destination mode.
5631 2006-01-26 Richard Guenther <rguenther@suse.de>
5632 Andrew Pinski <pinskia@physics.uc.edu>
5635 partial PR tree-opt/17064
5636 * tree-ssa-structalias.c (intra_create_variable_infos):
5637 Create heap variables for incoming parameters if
5638 flag_argument_noalias > 1.
5639 (find_what_p_points_to): Look through default defs of
5642 2006-01-26 Jeff Law <law@redhat.com>
5645 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
5646 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
5647 within the VR_RANGE, use the VR_RANGE as the result, not the
5649 (adjust_range_with_scev): Reject ranges from SCEV which are out of
5650 bounds for the type.
5652 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
5654 * tree-ssa-alias.c (maybe_create_global_var): Change
5655 subvar walking to an assertion that we don't have subvar'd variables.
5657 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
5660 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
5661 Use a new variable, inner. PARM_DECLs are always non-weak.
5663 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
5665 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
5668 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
5670 * config/mips/mips.md (*clear_upper32): New combiner pattern.
5672 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
5674 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
5675 (smax_insn, smin_insn, smax_0, smin_0): New.
5677 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
5680 * config/cris/cris.c (cris_order_for_addsi3): New function.
5681 * config/cris/cris-protos.h: Prototype it.
5682 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
5683 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
5684 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
5685 (split for "op.S1 [rx=rx+i],ry (swapped)")
5686 (split for "op(s|u).S1 [rx=rx+i],ry")
5687 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
5688 Apply cris_order_for_addsi3 when generating addsi3 insns.
5690 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5692 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
5693 (TREE_BLOCK): Add call to EXPR_CHECK.
5695 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5698 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
5699 * tree-pretty-print.c (dump_omp_clause): Extract from ...
5700 (dump_omp_clauses): ... here.
5701 (dump_generic_node): Handle OMP_CLAUSE.
5702 * tree.c (omp_clause_num_ops): New.
5703 (omp_clause_code_name): New.
5704 (tree_code_size): Handle OMP_CLAUSE.
5705 (tree_size): Likewise.
5706 (make_node): Document handling of OMP_CLAUSE.
5707 (tree_node_structure): Handle OMP_CLAUSE.
5708 (omp_clause_check_failed): New.
5709 (omp_clause_range_check_failed): New.
5710 (omp_clause_operand_check_failed): New.
5711 (build_omp_clause): New.
5712 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
5713 * tree.h (enum omp_clause_code): Declare.
5714 (OMP_CLAUSE_SUBCODE_CHECK): Define.
5715 (OMP_CLAUSE_RANGE_CHECK): Define.
5716 (OMP_CLAUSE_ELT_CHECK): Define.
5717 (omp_clause_check_failed): Declare.
5718 (omp_clause_operand_check_failed): Declare.
5719 (omp_clause_range_check_failed): Declare.
5720 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
5721 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
5722 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
5723 (OMP_CLAUSE_LASTPRIVATE): Likewise.
5724 (OMP_CLAUSE_IF_EXPR): Likewise.
5725 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
5726 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
5727 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
5728 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
5729 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
5730 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
5731 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
5732 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
5733 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
5734 (OMP_CLAUSE_CODE): Define.
5735 (OMP_CLAUSE_SET_CODE): Define.
5736 (OMP_CLAUSE_CODE): Define.
5737 (OMP_CLAUSE_OPERAND): Define.
5738 (struct tree_omp_clause): Declare.
5739 (union tree_node): Add field 'omp_clause'.
5740 * treestruct.def (TS_OMP_CLAUSE): Define.
5741 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
5742 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
5743 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
5744 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
5745 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
5746 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
5747 (OMP_CLAUSE): Define.
5748 * print-tree.c (print_node): Handle OMP_CLAUSE.
5749 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
5750 * c-typeck.c: Likewise.
5751 * gimplify.c: Likewise.
5752 * c-omp.c: Likewise.
5753 * tree-nested.c: Likewise.
5754 * tree-inline.c: Likewise.
5755 * c-parser.c: Likewise.
5756 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
5759 2006-01-25 Roger Sayle <roger@eyesopen.com>
5761 PR rtl-optimization/25703
5762 * combine.c (try_combine): Handle zero_extract and strict_low_part
5763 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
5765 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
5767 * global.c: Fix comment typos.
5769 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
5772 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
5773 Use output_addr_const instead of assemble_name.
5775 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
5777 * Makefile.in (sched-vis.o): Update dependencies.
5778 * haifa-sched.c (sched_finish): Clear current_sched_info.
5779 * cfg.c (dump_bb_info): New, split from dump_flow_info.
5780 (dump_flow_info): Call it.
5781 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
5783 * basic-block.h (dump_bb_info): Declare.
5784 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
5785 option, and apply options only for dump files whose TDF_RTL,
5786 TDF_TREE, or TDF_IPA bits match.
5787 * rtl.h: Declare new functions exported from sched-vis.c.
5788 * sched-vis.c: Enable also if scheduling is not used.
5789 (print_value): Print the mode of registers if not inside scheduling.
5790 (print_insn): Make it work outside the scheduler. Beautify the output
5792 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
5794 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5796 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
5797 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
5798 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
5799 depending on the value of CONSTANT_POOL_ADDRESS_P.
5800 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
5802 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
5803 rather than SYMBOL_REF_DECL.
5804 (rtx_constant_pool): Remove const_rtx_sym_htab.
5805 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
5806 (init_varasm_status): Don't initialize const_rtx_sym_htab.
5807 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
5808 Remove handling of const_rtx_sym_htab.
5809 (find_pool_constant): Delete.
5810 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
5811 rather than find_pool_constant.
5812 (get_pool_constant_for_function): Delete.
5813 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
5815 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
5816 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
5817 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
5818 (SYMBOL_REF_CONSTANT): New macro.
5819 (get_pool_constant_for_function): Delete.
5820 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
5821 rather than SYMBOL_REF_DECL.
5822 (i386_pe_mark_dllimport): Likewise.
5823 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
5824 rather than SYMBOL_REF_DECL.
5825 * config/darwin.c (machopic_indirect_data_reference): Likewise.
5826 (machopic_indirect_call_target): Likewise.
5828 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
5830 * flow.c (delete_noop_moves): Add missing EOL to dump message.
5832 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5834 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
5836 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
5838 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
5840 2006-01-24 David Daney <ddaney@avtrex.com>
5843 * configure.ac (enable_tls): New enable option.
5844 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
5845 * configure: Regenerate.
5846 * doc/install.texi (--enable-tls): Document new option.
5847 (--disable-tls): Ditto.
5849 2006-01-24 Richard Henderson <rth@redehat.com>
5851 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
5852 * alias.c (true_dependence): Respect it.
5853 (canon_true_dependence, write_dependence_p): Likewise.
5854 * builtins.c (get_builtin_sync_mem): Set it.
5856 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
5858 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
5861 2006-01-24 DJ Delorie <dj@redhat.com>
5863 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
5864 for storing constants in single-bit bitfields.
5866 2006-01-25 Ben Elliston <bje@au.ibm.com>
5868 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
5870 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
5873 * tree-ssa-pre.c (phi_translate): Return NULL
5874 for AGGREGATE_TYPE's.
5876 2006-01-24 Zack Weinberg <zackw@panix.com>
5878 * genautomata.c (process_state_for_insn_equiv_partition):
5879 Use xcalloc for insn_arcs_array.
5880 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
5881 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
5883 2006-01-24 Richard Henderson <rth@redhat.com>
5885 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
5888 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
5890 PR rtl-optimization/25890
5891 PR rtl-optimization/25905
5892 * combine.c (expand_compound_operation, expand_field_assignment):
5893 Fail if the bitfield's final position is out of bounds.
5895 2006-01-24 Ian Lance Taylor <ian@airs.com>
5898 * cgraphunit.c (cgraph_output_in_order): Don't clear
5899 cgraph_asm_nodes until after asm strings have been output.
5901 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
5903 * fix-header.c (read_scan_file): Add new parameter imultilib when
5904 calling register_include_chains.
5906 2006-01-23 Diego Novillo <dnovillo@redhat.com>
5908 * omp-low.c: Update documentation.
5910 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5911 Daniel Berlin <dberlin@dberlin.org>
5915 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
5916 return from the function.
5918 2006-01-22 Zack Weinberg <zackw@panix.com>
5920 * rtl.def (match_code): Add second argument.
5921 * genpreds.c (write_extract_subexp): New function.
5922 (write_match_code): Add path argument. Use write_extract_subexp.
5923 (write_predicate_expr): Pass path to write_match_code.
5924 (mark_mode_tests): MATCH_CODE applied to a subexpression does
5925 not perform a mode test.
5926 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
5927 a subexpression does not constrain the top-level code set.
5928 * read-rtl.c (read_rtx_variadic): New function.
5929 (read_rtx_1): Use it; allow AND and IOR to be variadic.
5930 * doc/md.texi: Document new notation.
5931 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
5932 (cmpsi_operand): ... here, using new notation.
5934 2006-01-22 Zack Weinberg <zackw@panix.com>
5936 * varray.c: Remove GENERATOR_FILE #ifdefs.
5938 2006-01-22 Zack Weinberg <zackw@panix.com>
5940 * genautomata.c (output_reserved_units_table): Emit nothing if
5941 description->query_units_num is zero. Remove extra blank line.
5942 (output_cpu_unit_reservation_p): Short circuit
5943 if description->query_units_num is zero.
5945 2006-01-22 Zack Weinberg <zackw@panix.com>
5947 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
5948 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
5949 nor any of the random handful of variables that used to be necessary
5950 when this program was linked with rtlanal.o. Prune set of forward
5951 function declarations.
5952 (struct attr_desc): Remove static_p field.
5953 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
5954 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
5955 (attr_string): Do not read the character one past the length of
5957 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
5958 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
5959 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
5960 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
5961 (make_automaton_attrs): New.
5962 (main): Do not call into genautomata. Call local gen_bypass
5963 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
5964 Remove special case for insn_alts.
5965 * genautomata.c: Include gensupport.h; not genattrtab.h nor
5966 varray.h (leftover from previous change). Prune set of forward
5967 function declarations. Remove state_alts fields from all
5968 structures. Remove state_alts_table from struct automaton.
5969 Make everything except main static. Do not maintain num_dfa_decls.
5970 Do not maintain state_alts fields of various structures.
5971 (process_decls): Don't validate condexp for dm_insn_reserv decls.
5972 (add_arc): Remove state_alts argument. All callers updated.
5973 (output_reserved_units_table): Emit #ifdef here...
5974 (output_tables): ...not here. Don't generate state_alts tables.
5975 (expand_automata): Don't generate attributes.
5976 (write_automata): Don't generate state_alts functions.
5977 (main): New function.
5978 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
5979 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
5980 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
5981 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
5982 (BYPASS_P_FUNC_NAME, output_state_alts_table)
5983 (output_automata_list_state_alts_code, output_internal_state_alts_func)
5984 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
5985 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
5987 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
5988 * genattrtab.h: Delete file.
5989 * Makefile.in (OBJS-common): Add insn-automata.o.
5990 (insn-automata.o): New rule.
5991 (simple_generated_c): Add insn-automata.c.
5992 (build/genattrtab.o, build/genautomata.o): Update dependencies.
5993 (genprogmd): Add automata.
5994 (build/genattrtab): Needs no extra objects nor libraries.
5995 (build/genautomata): Needs build/vec.o and -lm.
5997 2006-01-22 Zack Weinberg <zackw@panix.com>
5999 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6000 (output_dfa_max_issue_rate, locked_states_num): Delete.
6001 (struct automaton): Add locked_states field.
6002 (output_dead_lock_vect): Save number of locked states in
6003 automaton->locked_states. If it is zero, don't print anything.
6004 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6005 (output_internal_dead_lock_func): Only test the dead_lock_vect
6006 for automata that have locked states.
6007 (output_statistics): Always print the number of locked states for
6008 each automaton. Calculate total number of locked states here.
6009 (write_automata): Don't call output_dfa_max_issue_rate.
6010 * genattrtab.c: Define length_unit_log as a const variable.
6011 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6012 max_insn_queue_index const.
6013 * final.c (length_unit_log): Declare const.
6014 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6016 2006-01-22 Zack Weinberg <zackw@panix.com>
6018 * genautomata.c: Include vec.h, not varray.h.
6019 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6020 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6021 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6022 VEC_* macros operating on appropriately typed vectors, or to
6023 malloced arrays when the size is known in advance. Const-ify
6024 many char* variables and function arguments. No functional changes.
6025 * Makefile.in (build/varray.o): Delete rule.
6026 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6027 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6029 2006-01-22 Zack Weinberg <zackw@panix.com>
6031 * gensupport.c: Define get_insn_name and record_insn_name here.
6032 (read_md_rtx): Call record_insn_name as appropriate.
6033 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6034 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6035 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6037 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6038 (BUILD_VARRAY): Delete.
6039 (genprognormal): Rename genprogmd. Fold in all programs from
6040 genprognoprint; also attrtab.
6041 (build/genattrtab): Just mention genautomata.o and varray.o.
6042 Reorganize a bit, add comments to make the categories clearer.
6044 2006-01-22 Zack Weinberg <zackw@panix.com>
6046 * genconditions.c (condition_table, add_condition): Delete.
6047 (write_conditions): Don't emit n_insn_conditions nor
6048 insn_elision_unavailable. Issue the gcc version #ifdef here,
6049 inside the table, with no #else clause ...
6050 (write_header): ...not here.
6051 (write_writer): New function.
6052 (main): Don't initialize condition_table. Use add_c_test.
6054 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6055 files on the command line.
6056 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6057 Return -1 if there is no entry in the table, don't abort.
6058 (add_c_test, traverse_c_tests): New functions.
6059 * gensupport.h (insn_elision_unavailable, insn_conditions)
6060 (n_insn_conditions): Delete declarations.
6061 (add_c_test, traverse_c_tests): Declare.
6062 * read-rtl.c: Include gensupport.h.
6063 (read_conditions): New function.
6064 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6065 (read_rtx_1): If we get EOF when we were looking for an initial
6066 open paren, return 0. Call read_conditions when appropriate.
6067 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6068 dummy-conditions.o. Eliminate references to insn-conditions.o,
6069 or change them to build/gencondmd.o, as appropriate. Remove
6070 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6071 from $(simple_generated_c). For all files remaining in those
6072 two lists, add insn-conditions.md to the generator command line.
6073 Give insn-constants.h/s-constants their own rules. Add rules
6074 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6075 (build/read-rtl.o): Depend on gensupport.h.
6076 (genprognormal): Include preds.
6077 (genprogearly): Rename genprognoprint; only difference is now that
6078 they don't link with $(BUILD_PRINT).
6079 * dummy-conditions.c: Delete.
6081 2006-01-22 Zack Weinberg <zackw@panix.com>
6083 * genextract.c: Don't include insn-config.h. Do include vec.h.
6084 Declare vectors of int, char, and locstr.
6085 (locstr): New typedef.
6086 (struct extraction): Make all array fields into bare pointers.
6087 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6088 (insn_code_number): Delete.
6089 (accum_extract): New struct.
6090 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6091 (gen_insn): Take insn_code_number as an argument. Use an
6092 accum_extract structure instead of loading data directly into
6093 a struct extraction, and having to know how big it might get.
6094 (walk_rtx): Operate entirely on an accum_extract structure.
6095 (print_path): Avoid unnecessary use of printf.
6096 (print_header): New function, split out of main. Distinguish
6097 more carefully between an unrecognizable insn and an insn that
6098 has the code number of a define_expand.
6099 (main): Pass insn_code_number to gen_insn. Call print_header
6100 only after parsing. Avoid unnecessary use of printf.
6101 * Makefile.in (build/vec.o): New rule.
6102 (build/genextract): Depend on build/vec.o.
6103 (build/genextract.o): Don't depend on insn-config.h.
6105 2006-01-22 Zack Weinberg <zackw@panix.com>
6107 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6108 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6109 practical. Eliminate per-generator-program link rules.
6111 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6114 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6115 with a call expr to ...
6116 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6118 2006-01-23 Richard Guenther <rguenther@suse.de>
6120 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6121 before make_edge with conditional EDGE_TRUE_VALUE.
6123 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6124 Jan Hubicka <jh@suse.cz>
6125 Richard Guenther <rguenther@suse.de>
6127 PR rtl-optimization/25654
6128 * cfgexpand.c (aggregate_contains_union_type): New function.
6129 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6130 for structure variables that contain a union type.
6132 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6134 * gengtype.c (new_structure): Return the structure.
6135 (create_option): Add an extra "next" argument.
6136 (create_field): New function.
6137 (adjust_field_rtx_def): Use create_option and create_field.
6138 Remove a now-unnecessary call to find_structure.
6139 (adjust_field_tree_def): Likewise.
6140 (note_yacc_type): Remove an unnecessary call to find_structure.
6141 * gengtype.h (new_structure): Return the structure.
6142 (create_option): Add an extra argument.
6143 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6144 (option): Adjust calls to create_option.
6146 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6148 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6150 2006-01-22 Paul Brook <paul@codesourcery.com>
6151 Peter Barada <peter@the-baradas.com>
6153 * config/m68k/m68k.md: Add Coldfire FPU support.
6154 Define FP mode macro and associated attributes.
6155 Use it for float mode patterns.
6156 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6157 (LIBCALL_VALUE): Use m68k_libcall_value.
6158 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6159 (m68k_function_value): Ditto.
6160 (emit_move_sequence): Ditto.
6161 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6162 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6163 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6164 (MULTILIB_EXCEPTIONS): Ditto.
6165 * config/m68k/m68k.opt: Add mcfv4e.
6166 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6167 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6168 (m68k_output_function_prologue): Save ColdFire FPU registers.
6169 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6170 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6171 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6172 ColdFire FPU registers.
6173 (m68k_libcall_value, m68k_function_value): New functions.
6174 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6175 (LIBCALL_VALUE): Use m68k_libcall_value.
6176 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6177 (MASK_COLDFIRE): Add MASK_CFV4E.
6178 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6179 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6180 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6181 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6182 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6183 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6184 * doc/invoke.tex: Document -mcfv4e on m68k.
6186 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6188 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6191 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6194 * c-opts.c (c_common_handle_option): Don't include
6195 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6196 * doc/invoke.texi (C++ Dialect Options): Document that
6197 -Wnon-virtual-dtor is no longer included in -Wall.
6199 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6201 * gcov.c (print_version), gcov-dump.c (print_version),
6202 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6205 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6207 * df-scan.c (problem_SCAN): Added NULL reset function.
6208 (df_scan_reset_blocks): Added code to call reset block function
6209 (df_bb_refs_delete) Fixed comment.
6210 (df_insn_refs_delete): Made tolerant of deleting non existent info
6211 for dataflow problems that need to be reset.
6212 * df-core.c (df_set_blocks): Ditto.
6213 * df.h (struct df_problem): Added reset_fun.
6214 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6215 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6216 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6217 functions to clear out all references to def-use or use-def chains.
6219 2006-01-21 Ben Elliston <bje@au.ibm.com>
6221 * varasm.c (assemble_real): Initialise data array.
6223 2006-01-20 Paul Brook <paul@codesourcery.com>
6225 Merge from csl-arm-branch.
6226 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6227 * config/arm/arm.md (movdi): Force operands[1] to a register
6228 if we have a non-register source.
6229 (*arm_movdi, *movdf_soft_insn): Require that one of the
6230 operands be a register.
6231 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6232 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6234 2006-01-20 DJ Delorie <dj@redhat.com>
6236 * varasm.c (initialize_constant_valid_p): Allow pointers
6237 initialized from integer constants of lesser precision.
6238 (output_constant): Allow non-int-sized pointer modes to be
6239 initialized from integer constants.
6241 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6244 * cppdefault.h (struct default_include): Add multilib flag.
6245 * cppdefault.c (cpp_include_defaults): Set it.
6246 * c.opt (-imultilib): New option.
6247 * c-opts.c (imultilib): New.
6248 (c_common_handle_option): Handle -imultilib.
6249 (c_common_post_options): Likewise.
6250 * c-incpath.c (add_standard_paths, register_include_chains):
6252 * c-incpath.h (register_include_chains): Add extra parameter.
6253 * gcc.c (do_spec_1): Generate -imultilib option.
6254 (The Specs Language): Update %I description.
6255 (process_command): Update copyright notice.
6256 * doc/cppopts.texi (-imultilib): Document.
6257 * doc/invoke.texi (-imultilib): Include in option summary.
6258 (%I): Update specs documentation.
6260 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6262 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6264 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6266 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6269 2006-01-20 Richard Guenther <rguenther@suse.de>
6270 Steven Bosscher <stevenb.gcc@gmail.com>
6272 PR rtl-optimization/24626
6273 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6274 EDGE_TRUE_VALUE if in RTL mode.
6277 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6278 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6280 2006-01-20 Dirk Mueller <dmueller@suse.com>
6283 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6284 instead of a special NOP marker.
6285 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6286 NOP marker handling.
6287 * c-common.h (empty_body_warning): Add forward declaration.
6288 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6289 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6291 2006-01-20 Paul Brook <paul@codesourcery.com>
6293 * Makefile.in (lang_checks): Keep going if mkdir fails.
6295 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6297 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6298 be able to clean out basic block when not necessary.
6299 (df_scan_free): Fixed to properly delete information if df is
6300 unused before calling df_finish.
6301 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6302 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6304 (df_bb_refs_delete): New function.
6305 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6306 * df-core.c (df_set_blocks): Added code to properly clean out
6307 unused blocks if they are not part of the blocks to consider.
6308 Added additional null check.
6309 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6310 be able to clean out basic block when not necessary
6311 * df.h (df_free_bb_function): Ditto.
6312 (df_bb_refs_delete): New function.
6313 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6314 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6315 basic block parameter to be able to clean out basic block when not
6317 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6318 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6319 Fixed to properly delete information if df is unused before
6322 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6324 PR rtl-optimization/25799
6325 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
6326 Corrected confluence operator to remove bits from op2 before oring
6327 with op1 rather than removing bits from op1.
6328 (df_ru_transfer_function): Corrected test on wrong bitmap which
6329 caused infinite loop. Both of these problems were introduced in
6330 the dataflow rewrite.
6332 2006-01-19 DJ Delorie <dj@redhat.com>
6334 * reload1.c (find_reload_regs): Note the details of reload
6335 failures in the dump file.
6336 (spill_failure): Likewise.
6338 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6340 * loop-iv.c: Include df.h and hashtab.h.
6341 (enum iv_grd_result): New enum.
6342 (DF_REF_IV, DF_REF_IV_SET): New macros.
6343 (struct biv_entry): New.
6344 (df, bivs): New global variables.
6345 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
6346 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
6348 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
6349 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
6350 analyzed_for_bivness_p, record_biv): New functions.
6351 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
6352 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
6353 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
6355 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
6357 (iv_number_of_iterations): Use new interface to iv analysis.
6358 * loop-unroll.c: Do not include varray.h.
6359 (analyze_iv_to_split_insn): Use new interface to iv
6361 * loop-unswitch.c (may_unswitch_on): Ditto.
6362 * df.c (df_bitmaps_free): Only work for bbs for that structures are
6364 (df_bb_modify): Realloc tables to the new index.
6365 (df_find_use): New function.
6366 * df.h (df_find_use): Declare.
6367 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
6369 * cfgloop.h (struct rtx_iv): Remove analysed field.
6370 (iv_get_reaching_def): Removed.
6371 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
6372 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
6373 (loop-iv.o): Add df.h and hashtab.h dependency.
6374 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
6376 2006-01-20 Alan Modra <amodra@bigpond.net.au>
6379 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
6381 (__floatundisf, __floatundidf): Likewise.
6382 * libgcc2.h (IS_IBM_EXTENDED): Define.
6384 2006-01-19 DJ Delorie <dj@redhat.com>
6386 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
6388 2006-01-19 Paul Brook <paul@codesourcery.com>
6390 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
6391 as nothrow when unwinding tables are disabled.
6393 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6396 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
6397 of bit-field" when in system header.
6399 2006-01-19 DJ Delorie <dj@redhat.com>
6401 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
6402 the 16 bit shift limit of the m16c.
6404 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
6407 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
6408 * config/i386/i386.c (output_set_got): Output the label if we have one
6409 for the TARGET_DEEP_BRANCH_PREDICTION case.
6411 2006-01-19 Jan Hubicka <jh@suse.cz>
6412 H.J. Lu <hongjiu.lu@intel.com>
6413 Evandro Menezes <evandro.menezes@amd.com>
6415 * invoke.texi (generic): Document
6417 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
6418 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
6419 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
6420 (x86_use_incdec, x86_pad_returns): New variables
6421 (TARGET_CPU_DEFAULT_generic): New constant
6422 (TARGET_CPU_DEFAULT_NAMES): Add generic.
6423 (enum processor_type): Add generic32 and generic64.
6424 * i386.md (cpu attribute): Add generic32/generic64
6425 (movhi splitter): Behave sanely when both partial_reg_dependency and
6426 partial_reg_stall are set.
6427 (K8 splitters): Enable for generic as well.
6428 * predicates.md (incdec_operand): Use TARGET_INCDEC
6429 (aligned_operand): Avoid memory mismatch stalls.
6430 * athlon.md: Enable for generic64, new patterns for 128bit moves.
6431 * ppro.md: Enable for generic32
6432 * i386.c (generic64_cost, generic32_cost): New.
6433 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
6434 (x86_use_leave): Enable for generic64. (x86_use_sahf,
6435 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
6436 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
6437 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
6438 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
6439 x86_partial_reg_dependency, x86_memory_mismatch_stall,
6440 x86_accumulate_outgoing_args, x86_prologue_using_move,
6441 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
6442 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
6444 (x86_use_incdec, x86_pad_returns): New.
6445 (override_options): Add generic32 and generic64, translate "generic"
6446 to generic32/generic64 and "i686" to "generic32", refuse
6447 "generic32"/"generic64" as arch target.
6448 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
6449 (ix86_reorg): Honor PAD_RETURNS.
6451 2006-01-19 Diego Novillo <dnovillo@redhat.com>
6453 * tree-pretty-print.c (dump_generic_node): Handle
6454 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
6455 * cgraph.c (cgraph_expand_queue): Rename from
6456 cgraph_analyze_queue. Update all users.
6457 * cgraphunit.c (cgraph_assemble_pending_functions): Process
6458 cgraph_expand_queue.
6459 (cgraph_expand_all_functions): Likewise.
6460 (cgraph_finalize_pending_functions): Remove. Update callers.
6462 * tree.h (OMP_DIRECTIVE_P): Define.
6463 (OMP_PARALLEL_FN): Define.
6464 (OMP_PARALLEL_DATA_ARG): Define.
6465 (OMP_SECTIONS_SECTIONS): Define.
6466 * tree-pass.h (pass_expand_omp): Declare.
6467 * omp-low.c (struct omp_region): Declare.
6468 (struct omp_context): Remove fields 'parallel_type',
6469 'parallel_start_ix' and 'parallel_start_additional_args'.
6471 (struct omp_for_data): Rename from struct expand_omp_for_data.
6472 (omp_regions): New static variable.
6473 (root_omp_region): New static variable.
6474 (find_omp_clause): Make static.
6475 (is_in_combined_parallel_ctx): Remove.
6476 (is_combined_parallel): New.
6477 (extract_omp_for_data): Move earlier in the file.
6478 (workshare_safe_to_combine_p): New.
6479 (get_ws_args_for): New.
6480 (determine_parallel_type): Move earlier in the file.
6481 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
6483 (omp_copy_decl): Likewise.
6484 (create_omp_child_function): Likewise.
6485 (lookup_omp_region): New.
6486 (dump_omp_region): New.
6487 (debug_omp_region): New.
6488 (debug_all_omp_regions): New.
6489 (new_omp_region): New.
6490 (scan_omp_parallel): If parallel_nesting_level > 1, the
6491 directive is nested within another parallel directive.
6492 Set OMP_PARALLEL_FN.
6493 (scan_omp_for): Do not try to handle combined parallel+for
6495 Remove FIXME comment.
6496 (scan_omp_nested): Remove.
6497 (scan_omp_1): Do not call scan_omp_nested when
6498 parallel_nesting_level is > 1.
6499 Do not change the DECL_CONTEXT of local variables found.
6500 (lookup_decl_in_outer_ctx): New.
6501 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
6502 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
6503 (lower_reduction_clauses): Rename from expand_reduction_clauses.
6504 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
6505 If CTX is nested, lookup VAR in the outer context when
6506 building copy assignment.
6507 (lower_send_clauses): Rename from expand_send_clauses.
6508 If CTX is nested, lookup VAR in the outer context when
6509 building copy assignments.
6510 (lower_send_shared_vars): Rename from expand_send_shared_vars.
6511 If CTX is nested, lookup VAR in the outer context when
6512 building copy assignments.
6513 (expand_parallel_call): Rename from build_parallel_call.
6514 Handle combined parallel+workshare cases.
6515 Re-implement to emit code into the CFG.
6517 (expand_omp_parallel): Re-implement to emit code into the CFG.
6518 Call move_sese_region_to_fn to outline the sub-graph
6519 containing the parallel region.
6520 (expand_omp_for_1): Remove.
6521 (expand_omp_for_generic): Re-implement to emit code into the
6523 (expand_omp_for_static_nochunk): Likewise.
6524 (expand_omp_for_static_chunk): Likewise.
6525 (expand_omp_for): Likewise.
6526 (expand_omp_sections): Likewise.
6527 (remove_exit_barriers): New.
6528 (expand_omp_synch): New.
6530 (build_omp_regions_1): New.
6531 (build_omp_regions): New.
6532 (execute_expand_omp): New.
6533 (gate_expand_omp): New.
6534 (pass_expand_omp): Define.
6535 (lower_omp_sections): Rename from expand_omp_sections.
6536 Set OMP_SECTIONS_SECTIONS.
6537 (lower_omp_single_simple): Rename from expand_omp_single_simple.
6538 (lower_omp_single_copy): Rename from expand_omp_single_copy.
6539 (lower_omp_single): Rename from expand_omp_simple.
6540 (lower_omp_master): Rename from expand_omp_master.
6541 (lower_omp_ordered): Rename from expand_omp_ordered.
6542 (lower_omp_critical): Rename from expand_omp_critical.
6543 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
6544 (lower_omp_for): Re-implement.
6545 (lower_omp_parallel): Re-implement.
6546 (lower_regimplify): Rename from expand_regimplify.
6547 (lower_omp_1): Rename from expand_omp_1.
6548 If there are syntax errors in the program, replace every
6549 OpenMP directive with NOP.
6550 Call lower_omp_* instead of expand_omp_*.
6551 (lower_omp): Rename from expand_omp.
6553 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
6554 * tree-gimple.h (enum omp_parallel_type): Remove.
6555 (gimple_boolify): Declare extern.
6556 (find_omp_clause, determine_parallel_type): Remove.
6558 * gimple-low.c (lower_omp_directive): New.
6559 (lower_stmt): Call it.
6560 (record_vars_into): Move from ...
6561 (record_vars): ... here.
6562 Call record_vars_into with current_function_decl.
6564 * gimplify.c (struct gimplify_ctx): Remove fields
6565 combined_pre_p and combined_ctxp. Update users.
6566 (get_formal_tmp_var): Add documentation.
6567 (gimple_boolify): Make extern.
6568 (gimplify_expr_in_ctx): Remove. Update callers.
6569 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
6570 will always be a BIND_EXPR.
6571 (gimplify_expr): Handle OMP_RETURN_EXPR.
6572 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
6573 (OMP_PARALLEL): Add 3 operands.
6574 (OMP_SECTIONS): Add 1 operand.
6575 (OMP_RETURN_EXPR): Define.
6577 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
6578 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
6579 * tree-iterator.c (alloc_stmt_list): Assert that we are not
6580 creating a circular free list.
6581 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
6583 * tree-flow.h (move_sese_region_to_fn): Declare.
6584 (record_vars_into): Declare.
6585 * tree-cfg.c (make_omp_sections_edges): New.
6586 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
6587 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
6588 OMP_SECTIONS and OMP_SECTION.
6589 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
6590 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
6591 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
6592 (gather_blocks_in_sese_region): New.
6593 (struct move_stmt_d): Declare.
6595 (move_block_to_fn): New.
6596 (move_sese_region_to_fn): New.
6598 * passes.c (init_optimization_passes): Schedule
6599 pass_expand_omp after pass_init_datastructures.
6601 * tree-ssa-operands.c (get_expr_operands): Handle
6602 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
6603 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
6605 2006-01-19 Jeff Law <law@redhat.com>
6607 * tree-vrp.c (extract_range_from_assert): Refine the result range
6608 if the variable referenced by the ASSERT_EXPR has a range and
6609 either the tentative result range or the previous range is a
6612 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6614 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
6616 2006-01-19 Jan Hubicka <jh@suse.cz>
6618 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
6620 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
6622 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
6623 (expand_compound_operation, expand_field_assignment): Fail if the
6624 bit lengths of an extract operation are out of range.
6625 (make_extraction): Compute wanted_inner_mode based on the position
6626 and length of the extraction. Make it extraction_mode for non-constant
6627 positions, and do not modify offset in that case. When generating a
6628 new MEM, use a mode that can hold the extraction while keeping correct
6629 alignment. Remove code that supported MEMs wrapped by USEs.
6630 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
6632 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
6634 * config/s390/s390.md ("Y", "y"): New mode attribute.
6635 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6636 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
6637 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
6638 "*addsi3_imm_cc", "*addsi3_carry1_cc",
6639 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
6640 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
6641 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
6642 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
6643 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
6644 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
6645 "addsi3", "subsi3"): Insn patterns removed.
6646 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
6647 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
6648 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
6649 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
6650 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
6651 "*sub<mode>3_cconly2"): New insn patterns.
6652 ("addsi3", "subsi3"): New expanders.
6654 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
6656 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
6657 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
6658 existing STMT_VINFO_VECTYPE if available.
6659 (vect_mark_relevant): Add special handling for stmts that are
6660 marked as STMT_VINFO_IN_PATTERN_P.
6661 (vect_analyze_loop): Call vect_pattern_recog.
6662 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
6663 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
6665 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
6666 (vect_recog_func_ptr): New function-pointer type.
6667 * tree-vect-patterns.c: New file.
6668 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
6669 (vect_recog_dot_prod_pattern, vect_pattern_recog):
6670 (vect_pattern_recog_1): New functions.
6671 (vect_pattern_recog_funcs): New array of function pointers.
6673 * tree-vectorizer.h (ternary_op): New enum value.
6674 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
6675 declaration. Revised documentation. Removed redundant dump prints.
6676 Removed redundant argument. Added support for reduction patterns.
6677 (vectorizable_reduction): Added support for reduction patterns.
6678 (vect_transform_stmt): Added support for patterns.
6680 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
6681 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
6682 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
6683 (expand_widen_pattern_expr): New function.
6684 (init_optabs): Initialize new optabs udot_prod_optab,
6686 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
6687 (sdot_prod_optab, udot_prod_optab): Define new optabs.
6688 (expand_widen_pattern_expr): New function declaration.
6689 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
6691 * tree-inline.c (estimate_num_insns_1): Added cases for new
6692 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6693 * tree-pretty-print.c (dump_generic_node): Likewise.
6694 (op_prio): Likewise.
6695 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6696 * tree-ssa-operands.c (get_expr_operands): Added case for
6698 * tree-vect-patterns.c (widened_name_p): New function.
6699 (vect_recog_dot_prod_pattern): Added function implementation.
6700 * tree-vect-transform.c (get_initial_def_for_reduction): Added
6701 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
6702 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
6703 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
6705 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
6706 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
6707 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
6708 (init_optabs): Initialize new optabs widen_ssum_optab,
6710 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
6711 (widen_ssum_optab, widen_usum_optab): Define new optabs.
6712 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
6713 use instead of type of def.
6714 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
6715 function implementation.
6716 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
6717 widen_ssumv8hi): New.
6719 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
6722 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6725 * c-decl.c (add_flexible_array_elts_to_size): New function.
6726 (finish_decl): Use it.
6728 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
6730 * diagnostic.h: Include options.h.
6731 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
6732 dependancies for diagnostic.h.
6733 * Makefile.in (DIAGNOSTIC_H): Add options.h.
6735 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
6737 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
6738 (ssa_ro_call_cache_valid): Ditto.
6739 * tree-ssa-alias.c (sort_tags_by_id): New function.
6740 (init_transitive_clobber_worklist): Ditto.
6741 (add_to_worklist): Ditto.
6742 (mark_aliases_call_clobbered): Ditto.
6743 (compute_tag_properties): Ditto.
6744 (set_initial_properties): Ditto.
6745 (compute_call_clobbered): Ditto.
6746 (compute_may_aliases): Call compute_call_clobbered and grouping.
6747 (compute_flow_sensitive_aliasing): Remove clobbering related code.
6748 (compute_flow_insensitive_aliasing): Grouping now happens in our
6750 (setup_pointers_and_addressables): Remove clobbering related code.
6751 (add_may_alias): Ditto.
6752 (replace_may_alias): Ditto.
6753 (get_nmt_for): Ditto.
6754 (create_global_var):
6755 (is_escape_site): Return an escape_type enumeration.
6756 * tree-flow-inline.h (is_call_clobbered): Global var does not
6757 imply call clobbered.
6758 (mark_call_clobbered): Take a reason for marking this. Remove
6759 marking of globalness, and cache invalidation.
6760 (clear_call_clobbered): Remove cache invalidation code.
6761 * tree-dfa.c (dump_variable): If details is on, dump the reason
6763 * tree-outof-ssa.c (create_temp): Copy escape mask from original
6765 * tree-flow.h (struct ptr_info_def): Add escape mask member.
6766 (struct var_ann_d): Ditto.
6767 (enum escape_type): New.
6768 (mark_call_clobbered): Adjust prototype.
6769 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
6770 are never call clobbered.
6771 Record reasons for escaping.
6772 * tree-ssa-structalias.h (is_escape_site): Update prototype.
6773 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
6774 (ssa_ro_call_cache_valid): Ditto.
6775 (clobbered_v_may_defs): Ditto.
6776 (clobbered_vuses): Ditto.
6777 (ro_call_vuses): Ditto.
6778 (clobber_stats): New.
6779 (init_ssa_operands): Zero out clobber stats.
6780 (fini_ssa_operands): Print out clobber stats.
6781 (get_call_expr_operands): Pass callee fndecl to
6783 (add_call_clobber_ops): Remove use of cache.
6784 Add use of PURE_CONST information.
6785 (add_call_read_ops): Remove use of cache.
6786 Add use of static not_read information.
6788 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
6790 Introduce TLS descriptors for i386 and x86_64.
6791 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
6792 (TARGET_ANY_GNU_TLS): New macro.
6793 (enum tls_dialect): Added TLS_DIALECT_GNU2.
6794 (struct machine_function): Add tls_descriptor_call_expanded_p.
6795 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
6796 (ix86_current_function_calls_tls_descriptor): Likewise.
6797 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
6798 (override_options): Introduce gnu2 tls dialect.
6799 (ix86_frame_pointer_required): Functions containing TLSCALLs are
6801 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
6803 (legitimize_tls_address): Adjust logic for GNU2 TLS.
6804 (ix86_init_machine_status): Initialize new field.
6805 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
6806 (ix86_tls_module_base): New.
6807 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
6808 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
6809 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
6810 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
6811 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
6812 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
6813 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
6814 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
6815 * config/i386/predicates.md (tls_modbase_operand): New.
6816 (tp_or_register_operand): New.
6818 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
6820 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
6821 (look_for_address_of): Ditto.
6822 (ipa_init): Walk the function decls.
6823 (static_execute): Don't set readonly on FUNCTION_DECL's.
6825 2006-01-18 Roger Sayle <roger@eyesopen.com>
6827 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
6828 for shifts where the source and destination registers are different.
6830 2006-01-18 Paul Brook <paul@codesourcery.com>
6832 Merge from csl-arm-branch.
6833 2005-03-14 Julian Brown <julian@codesourcery.com>
6834 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
6835 (aeabi_llsl): Likewise.
6836 (ashrdi3): Likewise.
6837 (aeabi_lasr): Likewise.
6838 (lshrdi3): Likewise.
6839 (aeabi_llsr): Likewise.
6840 2005-03-10 Julian Brown <julian@codesourcery.com>
6841 * config.gcc: Disable shared libgcc for SymbianOS.
6842 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
6844 2006-01-18 DJ Delorie <dj@redhat.com>
6846 * c-pragma.c (handle_pragma_diagnostic): New.
6847 (init_pragma): Register it.
6848 * doc/extend.texi: Document it.
6850 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
6851 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
6852 (diagnostic_context): Add classify_diagnostic[].
6853 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
6854 as errors if they're overridden to DK_WARNING.
6855 (diagnostic_initialize): Initialize classify_diagnostic[].
6856 (diagnostic_set_kind_override): New.
6857 (diagnostic_report_diagnostic): Check for kind changes.
6858 * opts.c (common_handle_option): Take lang_mask. Update callers.
6860 * common.opt (Werror=): New.
6861 * doc/invoke.texi: Document -Werror=*
6863 2006-01-18 Jeff Law <law@redhat.com>
6865 * tree-vrp.c (test_for_singularity): Correct test for new
6866 min limit. Use operand_equal_p rather than pointer equality
6867 for testing if new min/max values are equal.
6869 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
6870 using range information until after propagation and folding.
6872 2006-01-18 Richard Henderson <rth@redhat.com>
6873 Aldy Hernandez <aldyh@redhat.com>
6874 Jakub Jelinek <jakub@redhat.com>
6875 Diego Novillo <dnovillo@redhat.com>
6877 * omp-low.c: New file.
6878 * c-omp.c: New file.
6880 2006-01-18 Richard Henderson <rth@redhat.com>
6881 Jakub Jelinek <jakub@redhat.com>
6882 Diego Novillo <dnovillo@redhat.com>
6884 * doc/invoke.texi: Document -fopenmp.
6885 * tree-dump.h (debug_function): Declare.
6886 * hooks.c (hook_bool_tree_bool_false): New function.
6887 (hook_tree_tree_null): Remove.
6888 (hook_tree_tree_tree_null): New.
6889 * hooks.h: Update to match.
6890 * tree-pretty-print.c (debug_tree_chain): New.
6891 (print_generic_expr): Handle TDF_CHAIN.
6892 (dump_generic_node): Handle BLOCK.
6893 Do not abort with incomplete SWITCH_EXPRs.
6894 Do not dump body of an OpenMP directive if TDF_SLIM is given.
6895 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
6896 print space after directive name.
6897 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
6898 Handle OMP_MASTER and OMP_ORDERED.
6899 Handle printing of OMP_BODY just in one place, goto
6900 dump_omp_body in the rest of OMP_* nodes that have
6902 Don't handle clause nodes here. Update omp statements to
6903 use dump_omp_clauses.
6904 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
6905 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
6906 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
6907 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
6908 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
6909 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
6910 Adjust output for GOMP_PARALLEL.
6911 (dump_omp_clauses): New.
6912 (print_declaration): Dump DECL_VALUE_EXPR.
6913 (op_symbol_1): Split out of op_symbol.
6914 (dumping_stmts): Remove. Update all users.
6915 * cgraph.c (cgraph_analyze_queue): New.
6916 (cgraph_add_new_function): New.
6917 * cgraph.h (cgraph_analyze_queue): Declare.
6918 (cgraph_add_new_function): Declare.
6919 (cgraph_lower_function): Remove.
6920 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
6921 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
6922 and TYPE_P nodes in its default clause.
6923 (empty_body_p): New.
6924 (tree_range_check_failed): New.
6926 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
6927 OMP_CLAUSE_REDUCTION_MERGE,
6928 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
6929 OMP_CLAUSE_PRIVATE_DEBUG,
6930 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
6931 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
6932 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
6933 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
6934 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
6935 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
6936 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
6937 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
6938 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
6939 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
6940 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
6941 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
6942 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
6943 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
6944 (TREE_RANGE_CHECK): New.
6945 (empty_body_p): Declare.
6946 (enum omp_clause_default_kind): New.
6947 (build_string_literal): Declare.
6948 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
6949 (build5_stat, build5): Declare.
6950 * tree-pass.h (TDF_CHAIN): Define.
6951 * tree-pass.h (PROP_gimple_lomp): Define.
6952 (pass_lower_omp): Declare.
6953 * diagnostic.h (debug_tree_chain): Declare.
6954 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
6956 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
6957 * builtins.c (build_string_literal): Make extern.
6958 * gcc.c (include_spec_function): New.
6959 (static_spec_functions): Add it.
6960 (main): Move load of libgomp.spec ...
6961 (LINK_COMMAND_SPEC): ... here.
6962 (link_gomp_spec): New.
6963 (static_specs): Include it.
6964 (LINK_COMMAND_SPEC): Add link_gomp.
6965 (GOMP_SELF_SPECS): New.
6966 (driver_self_specs): Include it.
6967 (switch_matches): Don't mark inline.
6968 (main): Load libgomp.spec.
6969 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
6970 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
6971 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
6972 * tree-gimple.h (enum omp_parallel): Declare.
6973 (determine_parallel_type): Declare.
6974 (omp_firstprivatize_variable): Declare.
6975 (omp_reduction_init): Declare.
6976 (diagnose_omp_structured_block_errors): Declare.
6977 (struct walk_stmt_info): Add want_return_expr.
6978 (struct walk_stmt_info): Add want_bind_expr, want_locations.
6979 (find_omp_clause): Declare.
6980 (insert_field_into_struct): Declare.
6981 (struct walk_stmt_info): Move from tree-nested.c
6982 (walk_stmts): Declare.
6983 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
6985 * cgraphunit.c (cgraph_lower_function): Make static.
6986 (cgraph_finalize_pending_functions): New.
6987 (cgraph_finalize_function): Call it.
6988 (cgraph_finalize_compilation_unit): Likewise.
6989 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
6990 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
6991 (BT_FN_UINT_UINT): New.
6992 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
6993 DEF_FUNCTION_TYPE_VAR_4): Document.
6994 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
6995 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
6996 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
6997 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
6998 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
6999 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7000 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7001 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7002 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7003 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7004 into separate files.
7005 (DEF_GOMP_BUILTIN): New.
7006 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7007 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7008 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7009 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7010 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7011 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7012 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7013 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7014 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7015 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7016 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7017 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7018 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7019 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7020 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7021 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7022 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7023 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7024 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7025 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7026 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7027 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7028 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7029 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7030 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7031 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7032 * sync-builtins.def: New file, moved from builtins.def.
7033 * omp-builtins.def: New file, moved from builtins.def.
7034 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7035 * gimple-low.c (lower_function_body): Clear data.
7036 (lower_stmt): Do not handle COMPOUND_EXPR.
7037 Remove call to print_node_brief.
7038 * c-tree.h (c_finish_omp_clauses): New prototype.
7039 (C_DECL_THREADPRIVATE_P): Define.
7040 (lookup_name_no_remap, c_omp_remap_private): Remove
7041 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7042 (check_for_loop_decls): Update decl.
7043 (lookup_name_no_remap, c_omp_remap_private): Declare.
7044 (build_indirect_ref, build_modify_expr, pushdecl,
7045 pushdecl_top_level): Move to c-common.h.
7046 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7047 before the switch, but just in the 2 places that need it.
7048 * c-decl.c (diagnose_mismatched_decls): Do not check for
7049 mismatched thread-local attributes when OLDDECL is marked
7050 threadprivate and NEWDECL has no thread-local attributes.
7051 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7052 (c_gimple_diagnostics_recursively): Rename from
7053 c_warn_unused_result_recursively. Invoke
7054 diagnose_omp_structured_block_errors.
7055 (check_for_loop_decls): Return a singular decl found.
7056 * langhooks.c (lhd_omp_predetermined_sharing): Return
7057 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7058 (lhd_omp_firstprivatize_type_sizes): New.
7059 (lhd_omp_assignment): New.
7060 (lhd_omp_predetermined_sharing): New.
7061 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7062 (struct lang_hooks_for_types): Add
7063 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7064 omp_predetermined_sharing, omp_disregard_value_expr,
7065 omp_private_debug_clause, omp_clause_default_ctor,
7066 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7067 (c_finish_omp_clauses): New.
7068 (c_finish_bc_stmt): Diagnose break within omp for.
7069 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7070 (build_unary_op): Return error_mark after reporting
7072 (build_modify_expr): Likewise.
7073 * gimplify.c: Include optabs.h and pointer-set.h.
7074 (enum gimplify_omp_var_data): Declare.
7075 (struct gimplify_omp_ctx): Declare.
7076 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7078 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7079 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7080 (splay_tree_compare_decl_uid): New.
7081 (new_omp_context): New.
7082 (delete_omp_context): New.
7083 (gimple_add_tmp_var): Call omp_add_variable.
7084 (gimplify_bind_expr): Likewise.
7085 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7086 true, disregard DECL_VALUE_EXPR on the decl if any.
7087 (gimplify_expr_in_ctx): New.
7088 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7089 omp_add_variable, omp_notice_variable, omp_is_private
7090 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7091 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7092 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7093 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7094 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7095 gimplify_omp_atomic): New.
7096 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7097 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7098 OMP_CRITICAL and OMP_ATOMIC.
7099 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7100 * c-pragma.h (enum pragma_kind): Add
7101 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7102 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7103 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7104 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7105 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7106 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7107 PRAGMA_OMP_THREADPRIVATE.
7108 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7109 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7110 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7111 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7112 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7113 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7114 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7115 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7116 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7117 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7118 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7119 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7120 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7122 (struct nesting_info): Add field_map,
7123 suppress_expansion, debug_var_chain.
7124 (create_nesting_tree): Initialize them.
7125 (lookup_field_for_decl): Use field_map.
7126 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7127 (convert_local_omp_clauses): New.
7128 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7129 (walk_body): Split out of walk_function.
7130 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7131 (convert_nonlocal_reference): Handle omp statements.
7132 (convert_local_reference): Likewise.
7133 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7134 (unnest_nesting_tree): New.
7135 (lower_nested_functions): Call it.
7136 (insert_field_into_struct): Make extern.
7137 (struct walk_stmt_info): Move to tree-gimple.h.
7138 (walk_stmts): Make extern.
7139 * omp-builtins.def: New file.
7140 * tree-iterator.c (expr_only): Clarify comment.
7141 * c-common.h (pushdecl_top_level, pushdecl,
7142 build_modify_expr, build_indirect_ref,
7143 c_finish_omp_master, c_finish_omp_critical,
7144 c_finish_omp_ordered, c_finish_omp_barrier,
7145 c_finish_omp_atomic, c_finish_omp_flush,
7146 c_finish_omp_for, c_split_parallel_clauses,
7147 omp_clause_default_kind, c_omp_sharing_predetermined,
7148 c_omp_remap_decl): Declare.
7149 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7150 (OBJS-common): Add omp-low.o.
7151 (c-omp.o, omp-low.o): Add.
7152 (gimplify.o): Add dependency on $(OPTABS_H).
7153 (GTFILES): Add omp-low.c.
7154 (gt-stringpool.h): Add.
7155 * tree-cfg.c (set_bb_for_stmt): Do not update the
7156 block-to-labels map if we are currently expanding to RTL.
7157 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7159 Handle IDENTIFIER_NODE.
7160 (tree_verify_flow_info): Do not ICE when emitting error
7161 messages about invalid labels.
7162 (dump_function_to_file): Reset CFUN before emitting the body
7164 (debug_function): New.
7165 * passes.c (init_optimization_passes): Schedule
7167 * langhooks-def.h (lhd_omp_predetermined_sharing,
7168 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7170 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7171 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7172 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7173 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7174 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7175 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7176 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7177 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7178 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7179 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7180 (LANG_HOOK_DECLS): Use them.
7182 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7183 Richard Henderson <rth@redhat.com>
7184 Jakub Jelinek <jakub@redhat.com>
7185 Diego Novillo <dnovillo@redhat.com>
7187 * c-parser.c (pragma_omp_clause): Define.
7188 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7189 (c_parser_compound_statement): Likewise.
7190 (c_parser_statement): Likewise.
7191 (c_parser_pragma): Handle omp pragmas.
7192 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7193 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7194 (c_parser_omp_clause_name, check_no_duplicate_clause,
7195 c_parser_omp_variable_list,
7196 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7197 c_parser_omp_clause_copyprivate,
7198 c_parser_omp_clause_default,
7199 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7200 c_parser_omp_clause_lastprivate,
7201 c_parser_omp_clause_nowait,
7202 c_parser_omp_clause_num_threads,
7203 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7204 c_parser_omp_clause_reduction,
7205 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7206 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7207 c_parser_omp_atomic, c_parser_omp_barrier,
7208 c_parser_omp_critical, c_parser_omp_flush,
7209 c_parser_omp_for_loop, c_parser_omp_for,
7210 c_parser_omp_master, c_parser_omp_ordered,
7211 c_parser_omp_sections_scope, c_parser_omp_sections,
7212 c_parser_omp_parallel, c_parser_omp_single,
7213 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7214 * c-pragma.c (init_pragma): Do omp pragma registration here.
7215 * c.opt (fopenmp): New flag.
7217 2006-01-18 Eric Christopher <echristo@apple.com>
7219 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7220 * config/darwin.h (GOMP_SELF_SPECS): Define.
7222 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7224 * rtl.h: Remove the prototype for reg_alloc.
7226 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7229 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7230 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7231 sjlj and dwarf2 exception handling.
7232 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7233 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7234 * pa/pa.c (function_value): Treat complex and vector types as
7236 (function_arg): Likewise. Only pass scalar floats in the floating
7237 point argument registers.
7238 * pa/t-slibgcc-dwarf-ver: New file.
7239 * pa/t-slibgcc-sjlj-ver: New file.
7240 * pa/t-slibgcc-elf-ver: Delete file.
7242 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7244 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7245 unlikely_test_section_p test.
7247 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7249 * mode-switching.c (optimize_mode_switching): Make it static.
7250 * basic-block.h: Remove the prototype for
7251 optimize_mode_switching.
7253 * modulo-sched.c (sms_schedule): Make it static.
7254 * rtl.h: Remove the prototype for sms_schedule.
7256 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7257 * rtl.h: Remove the prototype for gcse_after_reload_main.
7259 * reg-stack.c (reg_to_stack): Make it static.
7260 * rtl.h: Remove the prototype for reg_to_stack.
7262 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7264 * rtl.h: Remove the prototypes for regrename_optimize and
7265 copyprop_hardreg_forward.
7267 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7269 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7270 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7271 Test against the appropriate null constant for the mode.
7272 If 'fixup_overlap' is true, swap the operands if they overlap.
7273 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7274 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7275 alpha_split_tmode_pair and adjust for above change.
7276 * config/alpha/alpha.md (movtf_internal): Adjust call to
7277 alpha_split_tfmode_pair and rely on it to swap the operands.
7278 (movti_internal): New insn and post-reload splitter.
7279 (movti): New expander.
7281 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7283 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7286 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7288 * rtlanal.c (global_reg_mentioned_p_1,
7289 global_reg_mentioned_p): Remove.
7290 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7292 * flow.c (initialize_uninitialized_subregs): Make it static.
7293 * rtl.h: Remove the prototype for
7294 initialize_uninitialized_subregs.
7296 * function.c (instantiate_virtual_regs): Make it static.
7297 * function.h: Remove the prototype for
7298 instantiate_virtual_regs.
7300 * regmove.c (regmove_optimize, combine_stack_adjustments):
7302 * rtl.h: Remove the prototypes for regmove_optimize and
7303 combine_stack_adjustments.
7305 2006-01-17 Roger Sayle <roger@eyesopen.com>
7307 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7308 (size_cost): Encode costs in bytes so that a reg-reg addition is
7309 equivalent to COSTS_N_INSNS(1).
7310 (override_options): Use the size_cost.branch_cost as the default
7311 ix86_branch_cost when optimizing for size.
7313 2006-01-18 Ben Elliston <bje@au.ibm.com>
7315 * Makefile.in (D32PBIT_FUNCS): New.
7316 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7317 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7318 D64PBIT_FUNCS and D128PBIT_FUNCS.
7319 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7320 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7322 (decnumber_dep): Define.
7323 * doc/libgcc.texi (Decimal float library routines): New node.
7324 * config/dfp-bit.h, config/dfp-bit.c: New files.
7326 2006-01-18 Ben Elliston <bje@au.ibm.com>
7328 * expr.c (emit_move_change_mode): Always adjust addresses, not
7329 just during reload. Copy replacements only during reload.
7330 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
7331 emit_move_via_integer.
7333 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
7335 * Makefile.in (check-%, check-consistency): Use $${srcdir}
7336 instead of $(srcdir) and ${srcdir}.
7338 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
7342 * arm.h (struct machine_function): Add pic_reg.
7343 * arm.c (arm_pic_register): Make unsigned.
7344 (arm_override_options): Only set arm_pic_register if
7345 TARGET_SINGLE_PIC_BASE.
7346 (use_return_insn): Only test for a pic register if it is fixed.
7347 (arm_compute_save_reg0_reg12_mask): Likewise.
7348 (thumb_compute_save_reg_mask): Likewise.
7349 (legitimate_pic_operand): Factor out some known invariants.
7350 (legitimize_pic_address): If we don't have a fixed pic register,
7351 then set up a pseudo in the function entry sequence. Handle the
7352 pic base being in a pseudo.
7353 (arm_load_pic_register): Handle the pic register being in a pseudo.
7354 (arm_expand_prologue): Only set up the pic register if it is fixed.
7355 (thumb_expand_prologue): Likewise.
7356 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
7357 (pic_load_addr_based_insn): Likewise.
7358 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
7361 2006-01-18 Ben Elliston <bje@au.ibm.com>
7363 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
7364 decimal float modes for all floating point registers.
7366 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
7367 match_code "mem" with match_test "macho_lo_sum_memory_operand".
7369 2006-01-17 Jakub Jelinek <jakub@redhat.com>
7372 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
7373 even when the pointer is not NULL.
7375 2006-01-16 Ian Lance Taylor <ian@airs.com>
7377 * common.opt (ftoplevel-reorder): New option.
7378 * cgraph.c (cgraph_asm_nodes): New global variable.
7379 (cgraph_asm_last_node): New static variable.
7380 (cgraph_order): New global variable.
7381 (cgraph_create_node): Set new order field.
7382 (cgraph_varpool_node): Likewise.
7383 (decide_is_variable_needed): Return true if not
7384 flag_toplevel_reorder.
7385 (cgraph_add_asm_node): New function.
7386 * cgraph.h (struct cgraph_node): Add order field.
7387 (struct cgraph_varpool_node): Add order field.
7388 (struct cgraph_asm_node): Define.
7389 (cgraph_asm_nodes, cgraph_order): Declare.
7390 (cgraph_add_asm_node): Declare.
7391 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
7393 (cgraph_varpool_assemble_pending_decls): Call it.
7394 (cgraph_output_pending_asms): New static function.
7395 (cgraph_finalize_compilation_unit): Call it.
7396 (struct cgraph_order_sort): Define.
7397 (cgraph_output_in_order): New static function.
7398 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
7399 !flag_toplevel_reorder case.
7400 * c-parser.c: Include "cgraph.h".
7401 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
7403 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
7404 than -fno-unit-at-a-time.
7405 * doc/invoke.texi (Option Summary): Mention
7406 -fno-toplevel-reorder.
7407 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
7408 -funit-at-a-time documentation.
7410 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
7411 Kazu Hirata <kazu@codesourcery.com>
7413 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
7415 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
7417 * Makefile.in (FUNCTION_H): New. Use it instead of
7418 function.h throughout the file.
7419 * function.h: Include tree.h.
7421 2006-01-17 Ben Elliston <bje@au.ibm.com>
7423 * recog.c: Separate some functions with whitespace.
7425 2006-01-16 Richard Henderson <rth@redhat.com>
7427 Merge from gomp branch:
7428 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
7429 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
7430 and rename from struct inline_data. Rename callee* to dst*;
7431 caller* to src*; add copy_decl hook, transform_call_graph_edges,
7432 transform_new_cfg, transform_return_to_modify, and
7433 transform_lang_insert_block flags; remove cloning_p, versioning_p,
7435 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
7436 (copy_decl_for_dup): Remove.
7437 * tree-inline.c (struct inline_data): Move to header.
7438 (insert_decl_map): Export.
7439 (remap_decl): Update for member name changes. Use copy_decl hook.
7440 Allow for replacement to be a non-decl. Remove dead code.
7441 (remap_type_1): Check for existing mapping.
7442 (remap_type): Export.
7443 (remap_decls): Update for member name changes.
7444 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
7445 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
7446 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
7447 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
7448 (tree_function_versioning, build_duplicate_type): Likewise.
7449 (copy_body_r): Likewise. Export.
7450 (copy_decl_for_dup): Split into ...
7451 (copy_decl_for_dup_finish, copy_decl_to_var,
7452 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
7453 (replace_ref_tree, inlining_p): Remove.
7455 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7457 * ifcvt.c (if_convert): Make it static.
7458 * rtl.h: Remove the prototype for if_convert.
7460 * local-alloc.c (local_alloc): Make it static.
7461 * rtl.h: Remove the prototype for local_alloc.
7463 * loop.c (loop_optimize): Make it static.
7464 * cfgloop.h: Remove the prototype for loop_optimize.
7467 2006-01-16 DJ Delorie <dj@redhat.com>
7469 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
7472 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7474 * pa.md: Disparage copies between general and floating-point registers
7475 in 32-bit move patterns.
7477 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
7480 * Makefile.in (check-%): Depend on site.exp instead of
7481 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
7484 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7486 * global.c (global_alloc): Make it static.
7487 * rtl.h: Remove the prototype for global_alloc.
7489 2006-01-16 Richard Guenther <rguenther@suse.de>
7491 * tree-ssa-alias.c (struct used_part): Add write_only field.
7492 (get_or_create_used_part_for): Initialize it to true.
7493 (create_overlap_variables_for): Don't create structure variables
7494 for structures that only are written to.
7495 (find_used_portions): Handle MODIFY_EXPR to track whether a
7496 structure is only written to.
7498 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7500 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
7502 * basic-block.h: Remove the prototype for
7503 partition_hot_cold_basic_blocks.
7505 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
7507 * cppspec.c (lang_specific_spec_functions): Remove.
7508 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
7509 * gcc.h (lang_specific_spec_functions): Remove.
7510 * gccspec.c (lang_specific_spec_functions): Remove.
7512 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
7514 * combine.c (record_value_for_reg): Invalidate registers
7516 (record_dead_and_set_regs_1): Likewise, by passing them to
7517 record_value_for_reg.
7518 (record_dead_and_set_regs): Invalidate stores made by a
7519 call. We do not combine across a call, but we still
7520 relied on equivalences.
7522 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7524 * tree-vrp.c (extract_range_from_binary_expr): Cope with
7525 vrp_int_const_binop returning non-constant nodes.
7527 2006-01-16 Paul Brook <paul@codesourcery.com>
7529 * config/m68k/m68k.c (output_move_const_into_data_reg):
7530 Output correct mnemonic for mvz and mvs.
7532 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
7534 * rtl-factoring.c: Add sequence abstraction algorithm.
7535 * cfgcleanup.c (outgoing_edges_match): Extra checks.
7536 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
7538 (block_has_preserve_label): New function.
7539 * common.opt: Register new pass.
7540 * Makefile.in: Ditto.
7542 * timevar.def: Ditto.
7543 * tree-pass.h: Ditto.
7544 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
7545 * rtl.h (make_jump_insn_raw): Add forward decl.
7546 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
7548 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7549 Roger Sayle <roger@eyesopen.com>
7551 * fold-const.c (fold_minmax): New static function.
7552 (fold_binary) <MIN_EXPR>: Call it.
7553 <MAX_EXPR>: Likewise.
7554 * stor-layout.c (place_field): Use DECL_SIZE consistently
7555 in the computation of the new record size.
7557 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7559 * cse.c (cse_condition_code_reg): Make it static.
7560 * rtl.h: Remove the prototype for cse_condition_code_reg.
7562 * combine.c (combine_instructions): Make it static.
7563 * rtl.h: Remove the prototype for combine_instructions.
7565 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7568 * tree.c (get_file_function_name_long): Concatenate the first global
7569 object name with a string derived from the input filename of the object
7572 2006-01-16 Ben Elliston <bje@au.ibm.com>
7574 * config/i386/winnt-stubs.c: Update FSF address.
7575 * config/xtensa/ieee754-df.S: Ditto.
7576 * config/xtensa/ieee754-sf.S: Ditto.
7578 2006-01-14 Ian Lance Taylor <ian@airs.com>
7580 * ifcvt.c (noce_init_if_info): New static function, broken out of
7581 noce_process_if_block.
7582 (noce_process_if_block): Call noce_init_if_info.
7583 (check_cond_move_block): New static function.
7584 (cond_move_process_if_block): New static function.
7585 (process_if_block): Call cond_move_process_if_block.
7587 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
7589 * cselib.c (hash_table): Rename to cselib_hash_table.
7590 (cselib_clear_table, discard_useless_values,
7591 remove_useless_values, cselib_lookup_mem, cselib_lookup,
7592 cselib_init, cselib_finish): Adjust uses of hash_table.
7594 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
7596 PR tree-optimization/25485
7597 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
7598 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
7599 is known to be false and true, respectively.
7601 2006-01-14 Richard Guenther <rguenther@suse.de>
7603 PR tree-optimization/22548
7604 PR tree-optimization/22555
7605 PR tree-optimization/22501
7606 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
7607 * params.def (salias-max-array-elements): New parameter.
7608 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
7609 * doc/invoke.texi (salias-max-array-elements): Document.
7610 * tree-flow-inline.h (var_can_have_subvars): We also handle
7612 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
7614 * tree-ssa-structalias.c (params.h): Include.
7615 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
7616 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
7617 (get_constraint_for): For ADDR_EXPR operating on something
7618 containing an ARRAY_REF, add all subvars to the solution.
7619 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
7620 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
7621 for creating MUST_DEFs.
7622 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
7624 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7626 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
7628 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
7629 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7630 number_of_iterations_le): New functions.
7631 (number_of_iterations_special): Removed.
7632 (number_of_iterations_exit): Do not use number_of_iterations_special.
7633 * tree.c (unsigned_type_for): Always return integer type.
7635 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
7636 Richard Guenther <rguenther@suse.de>
7638 PR rtl-optimization/24257
7639 * gcse.c (find_moveable_store): Only consider a store movable
7640 when the SET_SRC of the insn can be assigned to a register.
7642 2006-01-14 Ian Lance Taylor <ian@airs.com>
7644 * tree.c (tree_not_class_check_failed): New function.
7645 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
7646 (tree_not_class_check_failed): Declare.
7648 2006-01-13 Ian Lance Taylor <ian@airs.com>
7650 * reload1.c (do_output_reload): Add assertion rejecting a
7653 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
7655 * combine.c (struct reg_stat): Add new fields truncation_label and
7657 (record_value_for_reg): Reset truncated_to_mode.
7658 (record_truncated_value): New function.
7659 (check_promoted_subreg): Call it. Rename to check_conversions.
7660 (combine_instructions): Rename check_promoted_subreg to
7662 (reg_truncated_to_mode): New function.
7663 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
7664 (gen_lowpart_or_truncate): New function.
7665 (force_to_mode): Use it instead of gen_lowpart.
7667 2006-01-13 Diego Novillo <dnovillo@redhat.com>
7669 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
7670 VAR is a tag, not its type tag.
7672 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
7674 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
7675 alternatives to match style of other entries.
7676 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
7678 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
7680 PR tree-optimization/25771
7681 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
7684 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
7687 * tree-inline.c (declare_return_variable): If the return variable
7688 was marked as a non gimple complex, set the return slot variable
7689 to be a non gimple comple variable.
7691 2006-01-13 Richard Guenther <rguenther@suse.de>
7693 * builtins.c (expand_builtin_sincos): New function.
7694 (expand_builtin_mathfn_3): Remove dead code, sin and cos
7696 (expand_builtin): Expand sincos using expand_builtin_sincos.
7698 2006-01-12 DJ Delorie <dj@redhat.com>
7700 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
7701 shift counts, separate SI shifts for m32c vs m16c, pass shift type
7702 so that constant shifts can be split.
7703 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
7704 (m32c_valid_pointer_mode): Make static.
7705 (shift_gen_func_for): New.
7706 (m32c_prepare_shift): Use it. Split large const shifts into
7708 * config/m32c/predicates.md (shiftcount_operand): Allow more
7710 (longshiftcount_operand): New.
7711 * doc/md.texi (Machine Constraints): Document In6.
7713 2006-01-13 Ben Elliston <bje@au.ibm.com>
7715 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
7716 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
7719 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
7721 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
7722 to try to avoid clobbering pieces of structures when we know
7723 something about the whole structure.
7724 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
7726 2006-01-13 Ben Elliston <bje@au.ibm.com>
7728 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
7729 return in memory, as this is no limitation is no longer present.
7731 2006-01-12 DJ Delorie <dj@redhat.com>
7733 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
7734 mova with fb, and for fb+0 -> An.
7736 * config/m32c/mov.md (peephole2): Fix enabling logic.
7738 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7739 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
7740 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
7741 FINI_ARRAY_SECTION_ASM_OP): Define.
7743 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
7745 (m32c_legitimize_reload_address): New logic to reload FB to An.
7746 (m32c_output_reg_push): Add newline.
7747 (m32c_output_reg_pop): Likewise.
7749 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
7751 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
7753 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
7755 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7757 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7759 * config/sh/predicates.md (sh_rep_vec): Add parallel to
7762 2006-01-11 Ben Elliston <bje@au.ibm.com>
7764 * rtlanal.c (find_reg_note): Assert insn is not null.
7766 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7768 * df-scan.c (df_hard_reg_init): Move declaration of i outside
7771 2006-01-11 Jeff Law <law@redhat.com>
7773 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
7775 (mark_threaded_blocks, register_jump_thread): New functions.
7776 (thread_through_all_blocks): Remove unwanted argument. No
7777 longer rely on e->aux to communicate thread target info.
7778 Call mark_threaded_blocks. Release the threaded_blocks
7779 bitmap and threaded_edges vector when complete.
7780 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
7781 (threaded_blocks): Remove.
7782 (tree_ssa_dominator_optimize): Remove initialization and
7783 finalization of threaded_blocks. Simplify call to
7784 thread_through_all_blocks.
7785 (thread_across_edge): Call register_jump_thread rather than
7786 storing thread information into e->aux.
7787 (free_all_edge_infos): Simplify now that e->aux is no longer
7788 used to communicate with thread_through_all_blocks.
7789 * tree-flow.h (thread_through_all_blocks): Update prototype.
7790 (register_jump_thread): Prototype.
7792 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7794 * df-core.c (df_compact_blocks, df_bb_replace): Use
7795 SET_BASIC_BLOCK instead of BASIC_BLOCK.
7797 2006-01-11 Richard Guenther <rguenther@suse.de>
7799 PR tree-optimization/25734
7800 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
7801 stop propagation after successful propagation to the LHS.
7803 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7805 * basic-block.h (control_flow_graph): Change the type of
7806 x_basic_block_info to VEC(basic_block,gc) *.
7807 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
7809 (SET_BASIC_BLOCK): New.
7810 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
7811 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
7812 * cfgbuild.c (find_basic_blocks): Likewise.
7813 * cfglayout.c (fixup_reorder_chain): Likewise.
7814 * cfgrtl.c (create_basic_block_structure,
7815 rtl_create_basic_block): Likewise.
7816 * ifcvt.c (find_if_case_1): Likewise.
7817 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
7820 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7822 * Makefile.in: Removed rotted odf.c entry.
7824 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
7827 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
7828 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
7829 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
7830 output pattern modifier, not %e.
7831 * config/cris/cris.c (cris_op_str): Update comment about pattern
7833 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
7834 before falling through into...
7835 <case 'E'>: Redefined from old 'e' case.
7837 2006-01-11 Jan Hubicka <jh@suse.cz>
7840 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
7842 2006-01-11 Jan Hubicka <jh@suse.cz>
7844 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
7845 * i386.c (x86_decompose_lea): Kill.
7846 (ix86_rtx_costs): Kill.
7848 2006-01-11 Jan Hubicka <jh@suse.cz>
7850 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
7851 * cgraph.h (cgraph_node): Add inline_decl.
7852 (cgraph_insert_node_to_hashtable): Declare.
7853 (save_inline_function_body): Declare.
7854 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
7856 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
7857 (cgraph_function_versioning): Update call of tree_function_versioning.
7858 (save_inline_function_body): New function.
7859 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
7860 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
7861 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
7862 (cgraph_default_inline_p): Likewise.
7863 (cgraph_decide_inlining_incrementally): Likewise.
7864 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
7865 (copy_bb): Kill saving; do updating of clones.
7866 (copy_cfg_body): Kill saving.
7867 (initialize_inlined-parameters): Likewise.
7868 (expand_call_inline): Likewise.
7870 (tree_function_versioning): New parameter "update_clones".
7871 (inlining_p): Kill saving.
7872 * tree-inline.h (tree_function_versioning): Update prototype.
7873 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
7876 2006-01-11 Ian Lance Taylor <ian@airs.com>
7878 * combine.c (struct undo): Remove is_int. Enumify types of undos.
7879 Allow undoing set of machine mode.
7880 (do_SUBST): Use enums instead of is_int.
7881 (do_SUBST_MODE): New function.
7882 (SUBST_MODE): New macro.
7883 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
7884 reg and trying to replace reg_regno_rtx with a new register.
7885 (undo_all): Use new enums, handle undoing a PUT_MODE change.
7886 (simplify_set): Use SUBST_MODE.
7887 (distribute_notes): Remove code that tried to update reg notes
7888 for regno_reg_rtx changes.
7890 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
7892 PR tree-optimization/23109
7893 PR tree-optimization/23948
7894 PR tree-optimization/24123
7896 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
7897 * tree-cfg.c (single_noncomplex_succ): New.
7898 * tree-flow.h (single_noncomplex_succ): Declare it.
7899 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7900 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7901 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
7902 insert_bb, register_division_in, insert_reciprocals,
7903 replace_reciprocal, free_bb): New.
7904 (execute_cse_reciprocals_1): Rewritten.
7905 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
7906 Do not commit any edge insertion. Always compute dominators and
7907 create the allocation pool.
7908 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
7909 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
7910 * targhooks.c (default_min_divistions_for_recip_mul): New.
7911 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
7912 * passes.c (init_optimization_passes): Run recip after tree loop
7914 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
7916 2006-01-11 Danny Berlin <dberlin@dberlin.org>
7917 Kenneth Zadeck <zadeck@naturalbridge.com>
7919 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
7920 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
7921 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
7922 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
7923 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
7924 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
7925 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
7926 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
7927 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
7928 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
7929 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
7930 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
7931 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
7932 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
7933 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
7934 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
7935 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
7936 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
7937 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
7938 DF_SCAN_POST_ALLOC): New macros.
7939 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
7940 df_free_bb_function, df_local_compute_function, df_init_function,
7941 df_dataflow_function, df_confluence_function_0,
7942 df_confluence_function_n, df_transfer_function,
7943 df_finalizer_function, df_free_function, df_dump_problem_function,
7944 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
7945 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
7946 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
7947 df_urec_bb_info, ) New types.
7948 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
7950 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
7951 df_analyze_simple_change_some_blocks,
7952 df_analyze_simple_change_one_block, df_compact_blocks,
7953 df_bb_replace, df_bb_regno_last_use_find,
7954 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
7955 df_insn_regno_def_p, df_find_def, df_find_use,
7956 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
7957 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
7958 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
7959 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
7960 debug_df_chain, df_get_dependent_problem, df_chain_create,
7961 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
7962 df_grow_bb_info, df_chain_dump, df_print_bb_index,
7963 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
7964 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
7965 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
7966 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
7967 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
7968 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
7969 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
7970 df_ref_remove, df_insn_refs_delete, df_refs_delete,
7971 df_reorganize_refs, df_set_state, df_hard_reg_init,
7972 df_read_modify_subreg_p) New public functions.
7973 * df-core.c: The core dataflow solver and glue routines for rtl
7975 (df_init, df_add_problem, df_set_blocks, df_finish,
7976 df_hybrid_search_forward, df_hybrid_search_backward,
7977 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
7978 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
7979 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
7980 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
7981 df_reg_defined, df_find_use, df_reg_used, df_dump,
7982 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
7983 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
7984 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
7985 debug_df_useno, reset_df_after_reload): New functions.
7986 * df-scan.c: The scanning fuctions, once in df.c, completely
7987 rewritten so that they now fully model the functionality of
7988 register usage at the backend.
7989 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
7990 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
7991 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
7992 df_grow_insn_info, df_rescan_blocks, df_ref_create,
7993 df_get_artificial_defs, df_get_artificial_uses,
7994 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
7995 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
7996 df_refs_delete, df_reorganize_refs, df_set_state,
7997 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
7998 df_def_record_1, df_defs_record, df_uses_record,
7999 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8000 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8001 df_record_exit_block_uses, df_hard_reg_init): New functions.
8003 * df-problems.c: Seven concrete dataflow problems that use the
8004 scanning in df-scan.c and are solved by the engine in df-core.c.
8005 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8006 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8007 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8008 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8009 df_ru_free_bb_info, df_ru_alloc,
8010 df_ru_bb_local_compute_process_def,
8011 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8012 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8013 df_ru_transfer_function, df_ru_free, df_ru_dump,
8014 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8015 df_rd_free_bb_info, df_rd_alloc,
8016 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8017 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8018 df_rd_transfer_function, df_rd_free, df_rd_dump,
8019 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8020 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8021 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8022 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8023 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8024 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8025 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8026 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8027 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8028 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8029 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8030 df_urec_mark_reg_use_for_earlyclobber,
8031 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8032 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8033 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8034 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8035 df_chain_create_bb_process_use, df_chain_create_bb,
8036 df_chain_finalize, df_chain_free, df_chains_dump,
8037 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8038 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8039 df_reg_lifetime): New functions.
8040 * df.c: Deleted file.
8041 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8042 consistent with new df api.
8043 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8044 rest_of_handle_sms): Ditto.
8045 * web.c (unionfind_union, union_defs, entry_register, web_main):
8047 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8048 invariant_expr_equal_p, find_defs, check_dependencies,
8049 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8050 free_inv_motion_data, move_loop_invariants): Ditto.
8051 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8052 Update dependencies.
8053 (odf.c): Added defective entry that was deleted later in day.
8054 * sched-deps.c (sched_analyze_1): Ditto.
8056 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8058 * tree-ssa-operands.c (get_expr_operands): Record addressable
8059 variables directly. Do not call add_stmt_operands for CONST_DECLs
8061 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8062 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8064 2006-01-11 Ben Elliston <bje@au.ibm.com>
8066 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8067 function returns true in the positive case.
8069 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8072 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8073 for SI, DI, SF and DF modes. Add alternatives to copy between
8074 general and floating point registers to the 32-bit patterns.
8075 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8076 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8077 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8078 generating 64-bit code.
8079 * config/pa/pa.c (output_move_double): Handle copies between general
8080 and floating registers.
8082 2006-01-10 Stuart Hastings <stuart@apple.com>
8084 * config/i386/i386.md (set_got): Update.
8085 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8086 (builtin_setjmp_receiver): Mach-O support.
8087 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8088 (GOT_SYMBOL_NAME): Define.
8089 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8090 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8091 * config/i386/i386.c (override_options): Revise for Darwin.
8092 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8093 support. (darwin_x86_file_end): New. (output_set_got): Add label
8094 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8095 * config/i386/i386-protos.h (output_set_got): Likewise.
8096 * config/darwin.c (machopic_legitimize_pic_address): Update
8099 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8101 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8102 when MODE isn't BLKmode.
8104 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8106 PR rtl-optimization/25367
8107 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8109 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8112 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8113 for a negative bound.
8115 2006-01-10 Richard Guenther <rguenther@suse.de>
8117 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8118 Never override with anything constraint.
8120 2006-01-10 Jan Beulich <jbeulich@novell.com>
8122 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8123 256 bits when optimize_size.
8125 2006-01-10 Jan Beulich <jbeulich@novell.com>
8127 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8129 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8130 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8133 2006-01-10 Ben Elliston <bje@au.ibm.com>
8135 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8137 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8138 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8139 (USE_FP_FOR_ARG): Reject decimal float modes.
8140 (function_arg_advance): Likewise.
8141 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8142 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8143 point types in AltiVec vectors.
8144 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8145 (rs6000_libcall_value): Likewise.
8147 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8149 * config/xtensa/ieee754-df.S: New file.
8150 * config/xtensa/ieee754-sf.S: New file.
8151 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8152 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8153 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8155 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8157 * config/sh/predicates.md (binary_float_operator,
8158 binary_logical_operator, commutative_float_operator,
8159 equality_comparison_operator, greater_comparison_operator,
8160 less_comparison_operator, logical_operator,
8161 noncommutative_float_operator, shift_operator,
8162 symbol_ref_operand, unary_float_operator): Remove redundant
8165 2006-01-09 Jeff Law <law@redhat.com>
8167 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8168 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8169 now unused arguments. Callers updated.
8170 (eliminate_redundant_computations): Remove now unused arguments,
8172 (local_fold): Remove, no longer used.
8173 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8175 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8176 (simplify_cond): New function.
8177 (forward_propagate_into_cond): Call simplify_cond.
8179 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8181 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8182 (*vec_extractv2di_1_sse): New.
8184 2006-01-09 Ben Elliston <bje@au.ibm.com>
8186 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8188 2006-01-08 Richard Guenther <rguenther@suse.de>
8190 * tree-ssa-structalias.c (get_constraint_for): Remove
8192 (get_constraint_for_component_ref): Likewise.
8193 (do_deref): Likewise.
8194 (get_constraint_for): Likewise.
8195 (do_structure_copy): Likewise.
8196 (handle_ptr_arith): Likewise.
8197 (find_func_aliases): Likewise. Remove unused need_anyoffset
8200 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8201 Kaz Kojima <kkojima@gcc.gnu.org>
8203 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8204 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8205 (EXTRA_CONSTRAINT_C16): Remove.
8206 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8207 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8208 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8209 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8210 constants of SHmedia. Handle nested constant expressions of
8212 (andcosts): Fix the costs for SHmedia constants.
8213 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8214 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8215 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8216 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8217 (movv4hi_i, movv2si_i): Likewise.
8218 (movsi_const): Adjust the second operand of ior so to match with
8220 (movdi_const, movdi_const_32bit): Likewise.
8221 (movdi_const_16bit+1): Don't sign-extend LOW.
8222 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8224 (*double_shori): Fix the split condition. Use GEN_INT instead
8225 of get_int_mode calls. Mask lower 16-bit of the argument of
8227 (sym2GOTPLT): Remove.
8228 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8230 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8231 instead of EXTRA_CONSTRAINT_C16.
8233 2006-01-07 Ian Lance Taylor <ian@airs.com>
8234 David Edelsohn <edelsohn@gnu.org>
8236 PR rtl-optimization/25662
8237 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8238 for constant operands instead of simplify_gen_binary.
8239 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8240 after trying simplify_binary_operation
8242 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8244 * tree.c (iterative_hash_expr): Hash decls based on UID.
8246 2006-01-06 Eric Christopher <echristo@apple.com>
8248 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8249 (TARGET_UNWIND_EMIT): Fix spelling.
8250 * target.h (gcc_target): Add except_table_label.
8251 * except.c (output_function_exception_table): Use.
8252 * varasm.c (default_emit_except_table_label): New.
8253 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8255 (asm_out): Add here.
8256 * output.h (default_emit_except_table_label): Prototype.
8257 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8258 * config/darwin.c (darwin_emit_except_table_label): Define.
8259 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8261 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8263 PR tree-optimization/18527
8264 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8265 number_of_iterations_special, number_of_iterations_exit):
8266 Move base and step of an iv to a single structure. Add
8267 no_overflow flag, and use it in # of iterations analysis.
8268 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8269 folded_casts argument.
8270 (simple_iv): Pass base and step in a structure. Set no_overflow
8272 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8273 Evaluate expensiveness of computing # of iterations instead of
8274 the final expression.
8275 * tree-scalar-evolution.h (affine_iv): New structure.
8276 (simple_iv): Declaration changed.
8277 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8278 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8279 find_givs_in_stmt): Changed due to simple_iv change.
8281 2006-01-06 Jeff Law <law@redhat.com>
8284 * tree-cfg.c (bsi_replace): Rename final argument from
8285 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8286 change (stmt -> orig_stmt).
8287 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8288 (bsi_remove): Add new argument. Remove EH information
8290 (verify_eh_throw_table_statements): New function.
8291 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8293 * tree-optimize.c (execute_free_cfg_annotations): Verify
8294 the EH throw statement table after removing annotations.
8295 * except.h (verify_eh_throw_table_statements): Prototype.
8296 * tree-flow.h (bsi_remove): Update prototype.
8297 * tree-vrp.c (remove_range_assertions): Add new argument to
8299 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8300 * tree-complex.c (expand_complex_div_wide): Likewise.
8301 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8302 * tree-tailcall.c (eliminate_tailcall): Likewise.
8303 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8304 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8305 * tree-nrv.c (tree_nrv): Likewise.
8306 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8307 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8308 (combine_blocks): Likewise.
8309 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8310 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8311 (cleanup_control_flow): Likewise.
8312 (remove_forwarder_block): Likewise.
8313 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8314 * tree-sra.c (sra_replace): Likewise.
8315 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8316 (forward_propagate_single_use_vars): Likewise.
8317 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8318 * tree-inline.c (expand_call_inline): Likewise.
8319 * tree-vect-transform.c (vect_transform_loop): Likewise.
8320 * tree-outof-ssa.c (rewrite_trees): Likewise.
8321 * tree-cfg.c (make_goto_expr_edges): Likewise.
8322 (cleanup_dead_labels): Likewise.
8323 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8324 (bsi_move_before, bsi_move_after): Likewise.
8325 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
8326 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
8328 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
8331 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
8333 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
8334 on non gimple variables. Also add checks at the top for decls and
8336 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
8338 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
8339 and IMAGPART_EXPR for creating MUST_DEFs.
8340 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
8341 and NAME_MEMORY_TAG separately from the DECLs.
8343 2006-01-06 Richard Guenther <rguenther@suse.de>
8345 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
8346 annotation, if necessary.
8347 * tree-ssa-pre.c (create_expression_by_pieces): Remove
8348 redundant calls to update_stmt.
8349 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
8352 2006-01-05 Richard Henderson <rth@redhat.com>
8354 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
8356 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8358 * c-typeck.c: Update copyright date.
8360 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8362 * c-typeck.c (build_c_cast): Always warn when casting
8363 from a pointer to an integer of different size, even if
8364 the node was constant.
8366 2006-01-05 Richard Guenther <rguenther@suse.de>
8368 PR tree-optimization/22555
8369 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
8370 if one structure field is an array.
8371 * tree-ssa-operands.c (get_expr_operands): Continue scanning
8372 operands even if we found a subvar, but ignore VOPs in this
8374 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
8376 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
8378 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
8381 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
8383 2006-01-05 Richard Guenther <rguenther@suse.de>
8384 Diego Novillo <dnovillo@redhat.com>
8386 * tree-pass.h (TODO_remove_unused_locals): Define.
8387 * gimple-low.c (expand_var_p, remove_useless_vars,
8388 pass_remove_useless_vars): Remove. Update all users.
8389 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
8390 (remove_unused_locals): New function.
8391 * tree-flow.h (remove_unused_locals): Declare.
8392 * passes.c (execute_todo): Call remove_unused_locals if
8393 TODO_remove_unused_locals is set.
8394 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
8395 * tree-ssa-dce.c (pass_dce): Likewise.
8396 * tree-outof-ssa.c (pass_del_ssa): Likewise.
8398 2006-01-05 Richard Guenther <rguenther@suse.de>
8400 * tree-flow.h (struct fieldoff): Decompose field to
8401 type, size and decl.
8402 * tree-ssa-alias.c (create_sft): Take type as parameter.
8403 (create_overlap_variables_for): Store type, size and decl
8404 in the fieldoff structure.
8405 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
8407 (push_fields_onto_fieldstack): Likewise.
8408 (create_variable_info_for): Likewise. Use offset for the
8409 SFT name if the decl is not available.
8411 2006-01-04 Paul Brook <paul@codesourcery.com>
8413 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
8415 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
8417 * lambda-code.c (can_put_in_inner_loop): Relax
8419 (can_put_after_inner_loop): New function.
8420 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
8421 (perfect_nestify): Change to make copies and modify uses.
8423 2006-01-04 Richard Henderson <rth@redhat.com>
8425 Merge from gomp branch:
8426 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
8427 via integer constant.
8428 (pragma_lex): Remove.
8429 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
8430 rather than parsing it.
8431 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
8432 handle_pragma_extern_prefix): Add %< %> quotes.
8433 (registered_pragmas): New.
8434 (c_register_pragma_1): New.
8435 (c_register_pragma): Use it.
8436 (c_register_pragma_with_expansion): Likewise.
8437 (c_invoke_pragma_handler): New.
8438 (init_pragma): Use cpp_register_deferred_pragma directly for
8440 * c-pragma.h (enum pragma_kind): New.
8441 (pragma_handler): New.
8442 (c_invoke_pragma_handler): Declare.
8443 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
8445 * c-common.h (c_common_pch_pragma): Update decl.
8446 * Makefile.in (c-parser.o): Update dependencies.
8447 (GTFILES): Add c-pragma.h.
8448 * c-parser.c (struct c_token): Add pragma_kind.
8449 (struct c_parser): Add in_pragma.
8450 (c_lex_one_token): Always initialize keyword and pragma_kind.
8451 Extract data for CPP_PRAGMA.
8452 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
8453 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
8454 Don't allow CPP_PRAGMA_EOL if in_pragma.
8455 (c_parser_consume_pragma): New.
8456 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
8457 (c_parser_skip_to_end_of_parameter): Likewise.
8458 (c_parser_skip_to_end_of_block_or_statement): Likewise.
8459 (c_parser_skip_to_pragma_eol): New.
8460 (c_parser_external_declaration): Handle CPP_PRAGMA.
8461 (c_parser_compound_statement_nostart): Likewise.
8462 (c_parser_statement_after_labels): Likewise.
8463 (c_parser_pragma): New.
8464 (pragma_lex): Likewise.
8465 (c_parser_pragma_pch_preprocess): New.
8466 (c_parser_new): Merge into ...
8467 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
8469 2006-01-04 Jeff Law <law@redhat.com>
8472 * tree-cfg.c (bsi_replace): Remove the original statement
8473 from the EH throw statement table.
8475 2006-01-04 Jakub Jelinek <jakub@redhat.com>
8477 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
8478 make the prototype extern "C" and add throw ().
8481 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
8482 and pos non-negative and pos + len <= 32.
8483 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
8484 drop pos + len < HOST_BITS_PER_WIDE_INT test.
8485 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
8488 * c-common.c (handle_vector_size_attribute): Reject zero vector size
8489 as well as sizes not multiple of component size.
8492 * function.c (instantiate_expr): New function.
8493 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
8494 walk its DECL_VALUE_EXPR with instantiate_expr.
8496 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
8497 DW_OP_deref{,_size} if address isn't going to be added.
8499 2006-01-04 Ben Elliston <bje@au.ibm.com>
8501 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
8502 * config/fp-bit.c: Likewise.
8504 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
8506 * dominance.c: Add comment about why we use DFS numbering
8509 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8510 Richard Henderson <rth@redhat.com>
8512 Merge from gomp-branch:
8513 * varasm.c (assemble_variable): Handle thread-local COMMON data.
8514 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
8516 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
8518 PR rtl-optimization/25578
8519 * combine.c (combine_simplify_rtx, force_to_mode): Don't
8520 pass a parameter to simplify_shift_const if changing ASHIFTRT
8523 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
8525 * builtins.c (get_builtin_sync_mem): New function.
8526 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
8527 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
8528 Call get_builtin_sync_mem to generate mem rtx.
8530 2006-01-03 Richard Guenther <rguenther@suse.de>
8533 * stmt.c (add_case_node): Make sure to clear overflow flags
8536 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8538 Merge from gomp-branch.
8539 * config/sparc/sync.md: New file.
8540 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
8541 UNSPECV_LDSTUB): New constants.
8542 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
8543 * config/sparc/predicates.md (memory_reg_operand): New predicate.
8544 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
8547 2006-01-03 Roger Sayle <roger@eyesopen.com>
8549 * combine.c (reg_subword_p): New predicate to test whether the
8550 destination of a set refers to a subword/piece of a register.
8551 (try_combine): Generalize the code to merge the setting of a
8552 pseudo to a constant followed by a set of a subword of that
8553 register to a constant.
8555 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
8557 * basic-block.h (control_flow_graph): Change the type of
8558 x_label_to_block_map to VEC(basic_block,gc) *.
8559 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
8560 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
8562 * tree-ssa-propagate.c (cfg_blocks): Change the type to
8563 VEC(basic_block,heap) *.
8564 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
8565 ssa_prop_fini): Adjust the uses of cfg_blocks.
8567 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
8569 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
8571 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
8572 hashing trees instead of a pointer hash.
8573 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
8574 compare for MEM_EXPR.
8576 PR rtl-optimization/25130
8577 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
8578 when comparing MEMs for GCSE
8580 2006-01-03 Ben Elliston <bje@au.ibm.com>
8582 * targhooks.h (default_decimal_float_supported_p): Declare.
8583 * targhooks.c (default_decimal_float_supported_p): Define.
8584 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
8585 `default_decimal_float_supported_p'.
8586 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
8588 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
8590 * combine.c (apply_distributive_law <SUBREG>): Check
8591 TRULY_NOOP_TRUNCATION.
8593 2006-01-02 Geoffrey Keating <geoffk@apple.com>
8595 * dwarf2out.c (have_switched_text_section): Delete.
8596 (have_multiple_function_sections): New.
8597 (have_location_lists): Make 'bool'.
8598 (add_AT_loc_list): Use 'true' not '1'.
8599 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
8600 (output_loc_list): Use have_multiple_function_sections.
8601 (output_ranges): Likewise.
8602 (dwarf2out_begin_function): Set have_multiple_function_sections if
8604 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
8605 Check function_section rather than DECL_SECTION_NAME.
8606 (dwarf2out_finish): Use have_multiple_function_sections.
8607 Don't clear have_location_lists.
8609 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
8610 Jan Hubicka <jh@suse.cz>
8612 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
8613 case of conditional jump jumping to the next instruction.
8614 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
8615 cases of conditional jump jumping to the next instruction.
8617 2006-01-02 Jan Hubicka <jh@suse.cz>
8619 * i386.c (*_cost): Add COSTS_N_INSNS.
8620 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
8622 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
8625 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
8627 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8629 * config/arm/arm.c (all_fpus): Fix comment typo.
8630 * config/darwin.c: Likewise.
8631 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
8632 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
8633 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
8635 2006-01-01 David Edelsohn <edelsohn@gnu.org>
8637 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
8638 (rs6000_split_compare_and_swapqhi): New.
8639 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
8640 (sync_compare_and_swapqhi_internal): New.
8641 * config/rs6000/rs6000-protos.h: Declare.