1 2006-04-04 Eric Christopher <echristo@apple.com>
3 * config/i386/i386.c (machopic_output_stub): Output \t
4 between instructions and operands.
6 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9 satisfies_constraint_[IL] to explicit tests on value.
11 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
13 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14 set_nb_iterations_in_loop): Use build_int_cst instead of
16 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
17 build_int_cst instead of convert.
19 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
21 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
22 new value 2 for incoming.
23 * function.c (expand_function_start): Call struct_value_rtx
25 * config/sparc/sparc.md: Comment updated_return.
26 * config/sparc/sparc.opt: Add -mstd-struct-return option.
27 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
28 struct return if sparc_std_struct_return and incoming is 2.
29 (print_operand): Do not adjust return if
30 sparc_std_struct_return.
32 2006-04-04 Roger Sayle <roger@eyesopen.com>
34 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
35 convert in the middle-end.
36 * expr.c (store_expr, store_constructor, get_inner_reference,
37 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
39 * tree.c (build_range_type): Likewise.
41 2006-04-04 Tom Tromey <tromey@redhat.com>
43 * doc/install.texi (Prerequisites): Mention jar.
45 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
47 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
50 2006-04-04 Matthias Klose <doko@debian.org>
52 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
54 2006-04-03 Geoffrey Keating <geoffk@apple.com>
56 * doc/extend.texi (Function Attributes): Rewrite visibility
57 attribute documentation.
58 * doc/invoke.texi (C++ Dialect Options): Rewrite
59 -fvisibility-inlines-hidden documentation to describe something
60 entirely different, although in practise compatible.
61 (Code Gen Options): Warn about system headers in -fvisibiltity=
64 * doc/extend.texi (Other Builtins): Document that
65 __builtin_nan is a compile-time constant only when its argument
68 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
70 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
71 trying to remove TRUNCATE check if all bits outside the new mode
72 are identical to the sign bit.
74 2006-04-03 Jeff Law <law@redhat.com>
76 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
77 and operand scanning in some common cases.
79 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
80 Dale Johannesen <dalej@apple.com>
83 * regclass.c (struct reg_pref): Update documentation.
84 (regclass): Set prefclass to NO_REGS if memory is the best option.
85 (record_reg_classes): Cope with a prefclass set to NO_REGS.
86 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
87 into account. For non-registers, equate an empty preferred
88 reload class to a `!' in the constraint; move the if clause to
89 do so after those that reject the insn.
90 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
92 (find_dummy_reload): Likewise.
93 * doc/tm.texi (Register Classes): Document what it means
94 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
95 * config/i386/i386.c (ix86_preferred_reload_class): Force
96 using SSE registers (and return NO_REGS for floating-point
97 constants) if math is done with SSE.
98 (ix86_preferred_output_reload_class): New.
99 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
100 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
101 * config/i386/i386.md: Remove # register preferences.
103 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
106 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
107 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
109 (instantiate_parameters_1): Convert the operands before calling
110 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
111 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
113 2006-04-02 Roger Sayle <roger@eyesopen.com>
115 * builtins.c (dummy_object): Use build_int_cst instead of convert.
116 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
118 * dojump.c (do_jump): Likewise.
119 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
120 * gimplify.c (gimple_boolify, gimplify_init_constructor,
121 gimplify_boolean_expr): Likewise.
122 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
123 * varasm.c (array_size_for_constructor): Likewise.
124 * tree-object-size.c (compute_object_offset): Likewise.
126 2006-04-02 Roger Sayle <roger@eyesopen.com>
129 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
130 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
132 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
134 PR tree-optimization/26939
135 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
137 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
139 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
140 at_stmt. Convert the type of operands before calling
141 build_polynomial_chrec.
142 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
144 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
145 (instantiate_parameters_1): Convert the type of operands before calling
146 build_polynomial_chrec.
147 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
148 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
149 reset_evolution_in_loop): Insert asserts to check the types of the
151 (chrec_type): Moved...
152 (eq_evolutions_p): Use operand_equal_p.
153 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
154 the types of the operands.
155 (chrec_type): ...here.
156 * tree-data-ref.c (create_data_ref): Convert the operands before
157 calling chrec_replace_initial_condition.
158 (same_access_functions, analyze_subscript_affine_affine,
159 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
160 (compute_subscript_distance, analyze_ziv_subscript,
161 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
162 analyze_miv_subscript): Convert the operands before calling
163 chrec_fold_minus or chrec_fold_plus.
165 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
167 * tree-data-ref.c (compute_all_dependences): Use a pointer to
168 the dependence_relations vector.
169 (compute_data_dependences_for_loop): Adjust call to
170 compute_all_dependences.
172 2006-04-01 Roger Sayle <roger@eyesopen.com>
173 Richard Henderson <rth@redhat.com>
175 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
176 gimple_boolify on the condition before calling gimplify_expr.
178 2006-03-31 Bob Wilson <bob.wilson@acm.org>
180 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
181 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
182 the frame size. Update to use the new macros.
183 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
184 * config/xtensa/ieee754-df.S: Likewise.
186 2006-03-31 Richard Henderson <rth@redhat.com>
188 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
189 (make_edges): ... here. Control fallthru creation with a local
190 variable. Do not play with fake edges.
191 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
192 (make_goto_expr_edges): Don't play with fake edges. Make for_call
195 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
197 * dwarf2.h (DW64_CIE_ID): Define.
198 * dwarf2out.c (DWARF_CIE_ID): Define.
199 (output_call_frame_info): Output 0xffffffff before standard 8-byte
200 length header. Use DWARF_CIE_ID.
201 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
202 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
204 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
206 * config/sh/linux-atomic.asm: New file.
207 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
209 2006-03-31 DJ Delorie <dj@redhat.com>
211 * config/m32c/cond.md: Set condition flags properly throughout.
212 * config/m32c/minmax.md: Likewise.
213 * config/m32c/prologue.md: Likewise.
214 * config/m32c/bitops.md: Likewise.
215 * config/m32c/muldiv.md: Likewise.
216 * config/m32c/mov.md: Likewise.
217 * config/m32c/addsub.md: Likewise.
218 * config/m32c/m32c.md: Likewise.
219 * config/m32c/jump.md: Likewise.
220 * config/m32c/shift.md: Likewise.
222 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
223 conditionally output the pattern for this.
224 * config/m32c/m32c.c (flags_needed_for_conditional): New.
225 (m32c_compare_redundant): New.
226 (m32c_output_compare): New.
227 * config/m32c/m32c-protos.h (m32c_output_compare): New.
229 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
230 dest, not src. Allow other 4-byte modes.
232 2006-03-30 Denis Chertykov <denisc@overta.ru>
234 * doc/md.texi: Refer to avr/constraints.md instead of
237 2006-03-30 Roger Sayle <roger@eyesopen.com>
239 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
240 signed vs. unsigned comparison failures on some hosts.
242 2006-03-31 Alan Modra <amodra@bigpond.net.au>
245 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
246 change to FLOAT_REGS.
248 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
249 (rs6000_override_options): Use it.
250 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
251 only for -mabi=spe/no-spe and -mabi=altivec.
253 2006-03-30 Geoffrey Keating <geoffk@apple.com>
255 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
258 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
260 * Makefile.in: Rename docdir to gcc_docdir.
262 2006-03-30 Roger Sayle <roger@eyesopen.com>
265 * expr.c (emit_group_store): Optimize group stores into a pseudo
266 register by using a paradoxical subreg to initialize the destination
267 if the first or last member of the group specifies a "low part".
269 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
272 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
273 * target.h (struct gcc_target.speculate_insn): Change type of the
274 second parameter to 'int'.
275 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
276 the second operand of the DEPS_LIST.
277 (copy_DEPS_LIST_list): Update reference to the second operand of the
279 * rtl.h (alloc_DEPS_LIST): Update signature.
280 * sched-int.h (ds_t): Change typedef to 'int'.
281 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
283 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
285 * haifa-sched.c (try_ready): Change condition to restore
286 non-speculative pattern of the instruction.
287 (process_insn_depend_be_in_spec): Code to keep probability of the
288 speculative dependence non-decreasing.
290 2006-03-30 Jie Zhang <jie.zhang@analog.com>
292 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
293 (single_move_for_movmem): ... this. Also change all uses.
294 (bfin_expand_strmov): Renamed to...
295 (bfin_expand_movmem): ... this. Also change all uses.
296 * config/bfin/bfin.md (movstrsi): Renamed to...
299 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
301 PR tree-optimization/26830
303 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
304 (copy_prop_visit_stmt): Remove write-only variable ann.
305 (init_copy_prop): Check variable loop depth here. Do not simulate
306 memory-tag and virtual operand PHIs except for store copy prop.
308 2006-03-30 Richard Guenther <rguenther@suse.de>
310 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
311 variants with double arguments.
313 2006-03-29 David Edelsohn <edelsohn@gnu.org>
315 * genpreds.c (write_tm_constrs_h): Delete variable p.
316 * genconditions.c (write_header): Add tm-constrs.h to included
318 * genpeep.c (main): Add toplev.h to included headers.
319 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
320 (build/genpeep.o): Add toplev.h dependency.
321 * config/rs6000/constraints.md: Add "W" constraint.
323 2006-03-29 Roger Sayle <roger@eyesopen.com>
325 * stor-layout.c (mode_for_size_tree): Remove restiction on type
326 sizes by correctly testing whether the size fits a host integer.
327 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
328 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
329 SImode range for the default sizetype and bitsizetype.
331 2006-03-29 Roger Sayle <roger@eyesopen.com>
333 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
334 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
335 quickly if the argument is already of the correct type.
336 Call fold_build1 instead of build1. Tidy up blank lines.
338 2006-03-29 David Edelsohn <edelsohn@gnu.org>
340 * genemit.c (main): Add tm-constrs.h to included headers.
341 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
342 * genpeep.c (main): Add tm-constrs.h to included headers.
343 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
344 (write_tm_constrs_h): this and write complete file.
345 (write_tm_preds_h): Do not emit satisfies_constraint fns.
346 (write_insn_preds_c): Add tm-constrs.h to included headers.
347 (gen_constrs): New variable.
348 (parse_option): Parse "-c".
349 (main): Invoke write_tm_constrs_h.
350 * genrecog.c (write_header): Add tm-constrs.h to included headers.
351 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
352 (object_out_file): Add tm-constrs.h dependency.
354 (insn-output.o): Same.
356 (insn-preds.o): Same.
357 (insn-recog.o): Same.
358 (tm-constsr.h): New target.
359 (s-constrs-h): New target.
361 * config/rs6000/constraints.md: New file.
362 * config/rs6000/rs6000.c: Include tm-constrs.h.
363 (num_insn_constant_wide): Convert to satisfies_constraint.
364 (rs6000_rtx_costs): Convert to satisfies_constraint.
365 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
366 (CONST_OK_FOR_LETTER_P): Delete.
367 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
368 (EXTRA_CONSTRAINT): Delete.
369 (EXTRA_MEMORY_CONSTRAINT): Delete.
370 (EXTRA_ADDRESS_CONSTRAINT): Delete.
371 * config/rs6000/predicates.md: Convert to satisfies_constraint.
372 * config/rs6000/rs6000.md: Include constraints.md. Convert to
373 satisfies_constraint.
375 * config/i386/i386.c: Include tm-constrs.h.
377 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
379 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
380 * tree-data-ref.c (find_data_references_in_loop,
381 compute_data_dependences_for_loop): Use pointers to VEC.
382 (analyze_all_data_dependences): Adjust calls.
383 * tree-data-ref.h (find_data_references_in_loop,
384 compute_data_dependences_for_loop): Adjust declarations.
385 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
386 compute_data_dependences_for_loop.
388 2006-03-29 Paul Brook <paul@codesourcery.com>
390 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
393 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
395 PR tree-optimization/26859
396 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
398 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
399 for the step after fold_convert.
401 2006-03-29 Paul Brook <paul@codesourcery.com>
403 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
404 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
406 2006-03-29 Paul Brook <paul@codesourcery.com>
409 * targhooks.c (default_narrow_bitfield): New fuction.
410 * targhooks.h (default_narrow_bitfield): add prototype.
411 * target.h (gcc_target): Add narrow_volatile_bitfield.
412 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
413 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
414 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
415 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
417 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
419 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
421 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
422 (NR_C_MODES): Add TDmode, DDmode and SDmode.
423 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
424 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
425 (s390_function_arg_float): Allow SDmode and DDmode values to be
426 passed in floating point registers.
427 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
428 check with SCALAR_FLOAT_MODE_P.
429 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
431 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
433 PR tree-optimization/25985
434 * tree-ssa-loop-niter.c (number_of_iterations_le,
435 number_of_iterations_ne): Make comments more precise.
436 (number_of_iterations_cond): Add only_exit argument. Use the
437 fact that signed variables do not overflow only when only_exit
439 (loop_only_exit_p): New.
440 (number_of_iterations_exit): Pass result of loop_only_exit_p to
441 number_of_iterations_cond.
443 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
445 PR tree-optimization/26643
446 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
449 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
451 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
452 (divsi3_i4_int): Likewise.
454 2006-03-28 Roger Sayle <roger@eyesopen.com>
456 * expr.c (emit_group_store): Only create a new pseudo reg if the
457 quantity it needs to hold isn't already a suitable pseudo.
459 2006-03-28 Jeff Law <law@redhat.com>
461 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
462 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
464 2006-03-28 Roger Sayle <roger@eyesopen.com>
466 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
467 the equivalent ~X & Y, and the symmetry related transformations.
468 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
469 ~X & Y, and symmetry related transforms.
471 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
473 Revert my 2006-03-27 patches.
475 2006-03-28 Roger Sayle <roger@eyesopen.com>
477 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
478 ~(T1)X, when T1 and T2 are integer types of the same precision
479 and (T2)X isn't an extension.
481 2006-03-28 Jeff Law <law@redhat.com>
483 PR tree-optimization/26796
484 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
485 need EH edge cleanups rather than purging them immediately.
486 (eliminate_degenerate_phis): Handle queued EH cleanups.
488 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
490 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
493 2006-03-27 Roger Sayle <roger@eyesopen.com>
496 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
497 cast BIT_NOT_EXPR operand to the correct type.
499 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
501 * tree-loop-linear.c: Don't include varray.h.
502 (gather_interchange_stats, try_interchange_loops,
503 linear_transform_loops): Use VEC instead of VARRAY.
504 * lambda-mat.c: Don't include varray.h.
505 * tree-chrec.c: Same.
506 * lambda-trans.c: Same.
507 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
508 VEC instead of VARRAY.
509 * tree-vectorizer.h: Idem.
510 * tree-data-ref.c (dump_data_references,
511 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
512 initialize_data_dependence_relation, finalize_ddr_dependent,
513 compute_all_dependences, find_data_references_in_loop,
514 compute_data_dependences_for_loop, analyze_all_data_dependences,
515 free_dependence_relation, free_dependence_relations,
516 free_data_refs): Idem.
517 * tree-data-ref.h (data_reference_p, subscript_p): New.
518 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
519 VEC instead of VARRAY.
520 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
521 (find_data_references_in_loop, compute_data_dependences_for_loop,
522 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
523 dump_data_dependence_relations, free_dependence_relations,
524 free_data_refs): Adjust declaration.
525 (lambda_transform_legal_p): Move declaration here...
526 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
527 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
528 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
529 vect_analyze_data_refs): Use VEC instead of VARRAY.
530 * lambda.h (lambda_transform_legal_p): ...from here.
531 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
532 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
533 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
534 tree-chrec.o): Don't depend on VARRAY_H.
536 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
538 * rtl.def (Copyright): Update date.
539 (DEPS_LIST): Change type of the second operand to 'int'.
540 * target.h (Copyright): Update date.
541 (struct gcc_target.speculate_insn): Change type of the second parameter
543 * lists.c (Copyright): Update date.
544 (alloc_DEPS_LIST): Change signature. Update reference to the second
545 operand of the DEPS_LIST.
546 (copy_DEPS_LIST_list): Update reference to the second operand of the
548 * rtl.h (Copyright): Update date.
549 (alloc_DEPS_LIST): Update signature.
550 * sched-int.h (Copyright): Update date.
551 (ds_t): Change typedef to 'int'.
552 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
554 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
556 * haifa-sched.c (Copyright): Update date.
557 (try_ready): Change condition to restore non-speculative pattern
559 (process_insn_depend_be_in_spec): Code to keep probability of the
560 speculative dependence non-decreasing.
562 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
564 * regrename.c (replace_oldest_value_addr): Initialize a variable to
565 shut up the compiler.
567 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
569 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
570 to use lib prefix for target.
571 ($(T)libic_invalidate_array_4-200.a): Likewise.
572 ($(T)libic_invalidate_array_4a.a): Likewise.
574 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
575 J"orn Rennecke <joern.rennecke@st.com>
577 * superh.opt: New file.
578 * sh.c (boardtype, osruntime): Remove.
579 * superh.h (SUBTARGET_OPTIONS): Remove.
580 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
582 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
583 arguments with ^ and/or [].
585 * config.gcc (sh-*-*): Add quoting to account for quirk of
587 Replace == with = in enable_incomplete_targets test.
589 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
590 with MASK_LITTLE_ENDIAN.
592 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
593 * config/sh/sh.opt: Added to some comments.
594 * config/sh/superh.h: Removed some chaff.
596 * config/sh/sh.opt: Add m4-[1234]00* options.
597 * config/sh/sh.c (sh_handle_option): Likewise.
598 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
599 (ic_invalidate_array_4-100.o): New rule.
600 ($(T)libic_invalidate_array_4-100.a): Likewise.
601 (ic_invalidate_array_4-200.o): Likewise.
602 ($(T)libic_invalidate_array_4-200.a): Likewise.
603 (ic_invalidate_array_4a.o): Likewise.
604 ($(T)libic_invalidate_array_4a.a): Likewise.
605 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
606 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
608 * config/sh/crt1.asm: Merged in profiling code.
609 * config/sh/superh.h (STARTFILE_SPEC): Override.
610 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
611 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
612 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
614 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
615 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
616 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
618 * sh.opt (mpretend-cmove): New option.
619 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
620 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
621 (movsicc): Add TARGET_PRETEND_CMOVE code.
623 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
625 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
626 s390_class_max_nregs): New function prototypes.
627 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
628 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
629 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
630 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
632 2006-03-26 Geoffrey Keating <geoffk@apple.com>
634 * dwarf2out.c (add_location_or_const_value_attribute): Call
635 tree_add_const_value_attribute if nothing else works.
636 (reference_to_unused): New.
637 (rtl_for_decl_init): Use reference_to_unused to decide whether
638 to output an initializer.
640 2006-03-27 Alan Modra <amodra@bigpond.net.au>
643 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
644 peephole removing spe frob_di_df_2.
646 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
648 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
649 (subscript_dependence_tester_1): Declared.
650 (print_dir_vectors, print_dist_vectors): New.
651 (debug_data_dependence_relation): New.
652 (dump_data_dependence_relation): Print more details.
653 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
654 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
655 (save_dist_v, save_dir_v, add_outer_distances,
656 build_classic_dist_vector_1): New.
657 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
658 Don't test for lambda_vector_lexico_pos.
659 (same_access_functions, add_multivariate_self_dist,
660 add_other_self_distances, dir_from_dist): New.
661 (build_classic_dir_vector): Replace implementation almost identical to
662 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
664 (subscript_dependence_tester_1): New.
665 (subscript_dependence_tester): Handle the lexicographically negative
666 distance vectors by recomputing the dependence relation.
667 (compute_affine_dependence): Remove parameter loop_nest_depth.
668 (compute_self_dependence): Don't call compute_subscript_distance.
669 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
670 Add a parameter for the loop_nest.
671 (find_loop_nest_1, find_loop_nest): New.
672 (compute_data_dependences_for_loop): Compute the loop nest, and give
673 up if the nest is not well formed.
674 * tree-data-ref.h (loop_p): New.
675 (struct data_dependence_relation): Replace size_vect field with
676 loop_nest, a vec of loops.
677 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
678 (DDR_LOOP_NEST): New.
679 (print_dir_vectors, print_dist_vectors,
680 debug_data_dependence_relation): Declared.
681 (index_in_loop_nest): New.
682 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
683 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
686 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
688 * simplify-rtx.c (simplify_relational_operation): Call
689 simplify_relational_operation_1 even if mode is VOIDmode.
691 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
693 PR tree-optimization/26804
694 * tree.h (DECL_CALL_CLOBBERED): New macro.
695 (tree_decl_common): Add call_clobbered_flag.
696 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
697 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
698 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
699 (mark_non_addressable): Ditto.
700 * tree-ssa.c (verify_call_clobbered): New function.
701 (verify_alias_info): Use it.
702 * tree-pass.h (pass_reset_cc_flags): New prototype.
703 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
704 (reset_cc_flags): New function.
705 * passes.c (init_optimization_passes): Call reset_cc_flags after
706 initializing referenced_vars.
708 2006-03-25 Uros Bizjak <uros@kss-loka.si>
709 Roger Sayle <roger@eyesopen.com>
712 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
713 to 1.0 for non-real operands. Implement A / A optimization for
716 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
718 * config/i386/i386.c (size_cost): Correct the comment for
719 cost of storing fp registers.
720 (i386_cost): Likewise.
721 (i486_cost): Likewise.
722 (pentium_cost): Likewise.
723 (pentiumpro_cost): Likewise.
725 (athlon_cost): Likewise.
727 (pentium4_cost): Likewise.
728 (nocona_cost): Likewise.
729 (generic64_cost): Likewise.
730 (generic32_cost): Likewise.
732 2006-03-24 Denis Chertykov <denisc@overta.ru>
734 * config/avr/avr-protos.h (extra_constraint): Delete.
735 (extra_constraint_Q): New declaration.
736 * config/avr/constraints.md: New file.
737 * config/avr/avr.md: Include it.
738 (REG_X, REG_Y, REG_Z, REG_W): New constants.
739 (TMP_REGNO, ZERO_REGNO): Likewise.
740 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
741 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
742 (extra_constraint): Delete.
743 (extra_constraint_Q): Test for memory constraint 'Q'.
744 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
745 (REG_CLASS_FROM_LETTER): Delete.
746 (CONST_OK_FOR_LETTER_P): Delete.
747 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
748 (EXTRA_CONSTRAINT): Delete.
750 (ZERO_REGNO): Delete.
752 2006-03-24 Jeff Law <law@redhat.com>
754 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
755 directly. Call mark_new_vars_to_rename slightly earlier.
757 2006-03-24 Geoffrey Keating <geoffk@apple.com>
759 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
761 (gen_compile_unit_die): Use new language types for Objective-C and
763 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
767 * config/t-darwin (crt3.o): Work around bug 26840.
768 * config/darwin-crt3.c: Rewrite.
769 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
771 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
773 * doc/invoke.texi: Document -femit-class-debug-always
774 * common.opt: Add -femit-class-debug-always.
776 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
778 * config/s390/s390.c (s390_decompose_address): Allow SImode for
779 index and base register.
780 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
781 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
782 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
783 REGNO_OK_FOR_INDEX_P.
784 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
786 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
787 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
788 REG_OK_FOR_BASE_P): Definitions removed.
790 2006-03-24 Jakub Jelinek <jakub@redhat.com>
793 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
794 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
795 set yet or weren't marked as local yet.
797 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
799 * regrename.c (scan_rtx_address): Initialize a variable to shut up
802 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
804 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
805 (rs6000_legitimate_small_data_p): Delete.
806 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
807 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
808 and make static. Add forward declaration. Update uses.
809 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
810 of offsettable_memref_p.
811 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
812 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
814 2006-03-24 Jeff Law <law@redhat.com>
816 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
817 around bug in immediate-use iterator.
819 2006-03-24 Alan Modra <amodra@bigpond.net.au>
822 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
823 or __LITTLE_ENDIAN__.
825 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
827 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
828 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
829 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
830 * config/sh/sh.opt (mdiv=): Amend description.
831 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
832 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
833 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
834 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
835 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
836 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
837 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
838 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
839 TARGET_DIVIDE_CALL_FP.
841 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
843 * haifa-sched.c (choose_ready): Fix type of the local variable.
844 Move local variables. Add comment.
845 (check_reg_live): Change signature. Make callable from debugger.
846 * sched-int.h (check_reg_live): Update signature.
847 * sched-ebb.c (check_reg_live): Update parameters.
848 * sched-rgn.c (check_reg_live): Ditto.
849 (region_head_or_leaf_p): Check pointer before dereferencing.
850 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
851 before reload on optimization levels below 1.
853 2006-03-23 Richard Henderson <rth@redhat.com>
855 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
859 * config/alpha/predicates.md (local_symbolic_operand): Reject
862 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
865 * tree-ssa-pre.c (create_value_expr_from): Don't reject
866 expressions which have overflowed constants.
868 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
870 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
872 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
874 * cfgloopmanip.c (create_loop_notes): Removed.
875 * final.c (final_scan_insn): Do not handle loop notes.
876 * jump.c (squeeze_notes): Ditto.
877 * cfglayout.c (skip_insns_after_block,
878 duplicate_insn_chain): Ditto.
879 * cfgcleanup.c (rest_of_handle_jump2): Do not call
881 * cfgloop.h (create_loop_notes): Declaration removed.
883 2006-03-23 Richard Sandiford <richard@codesourcery.com>
885 * varasm.c (output_constant_pool): Restore fnname and fndecl
887 (assemble_start_function): Adjust call accordingly.
888 (assemble_end_function): Likewise.
890 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
893 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
896 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
898 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
901 * system.h (ICE_EXIT_CODE): New macro.
902 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
903 (diagnostic_action_after_output): Likewise.
904 * gcc.c (fatal_ice): New function.
905 (execute): Use it instead of fatal.
906 (fancy_abort): Likewise.
907 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
909 2006-03-22 Jeff Law <law@redhat.com>
911 * loop-unroll.c (analyze_iv_to_split_insn): Handle
912 iv_analyze_result returning false.
914 2006-03-22 Jie Zhang <jie.zhang@analog.com>
916 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
918 2006-03-22 Richard Henderson <rth@redhat.com>
921 * except.c (duplicate_eh_regions_0): New.
922 (duplicate_eh_region_1): Duplicate the children of the node as
923 well as the node itself. Link them up properly.
924 (duplicate_eh_region_2): Merge into ...
925 (duplicate_eh_regions): ... here. Take copy_region argument, and
926 copy only a sub-tree if asked. Simplify copying and fixup.
927 (eh_region_outer_p): New.
928 * except.h (duplicate_eh_regions): Update decl.
929 (eh_region_outer_p): Declare.
930 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
931 (lower_omp_master): Likewise.
932 (lower_omp_ordered): Likewise.
933 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
934 (move_stmt_r): Use it to remap labels. Handle recursion vs
935 remap_decls_p properly.
936 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
937 (find_outermost_region_in_block): New.
938 (new_label_mapper): New.
939 (move_sese_region_to_fn): Copy eh information to the new function
941 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
943 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
946 2006-03-22 Richard Sandiford <richard@codesourcery.com>
948 * doc/md.texi (-mshared): Mention that -mshared code can be linked
949 into shared libraries.
951 2006-03-22 Richard Sandiford <richard@codesourcery.com>
953 * doc/md.texi: Refer to i386/constraints.md instead of
955 * config/i386/constraints.md: New file, extracted from...
956 * config/i386/predicates.md: ...here.
957 * config/i386/i386.md: Include constraints.md.
959 2006-03-21 Jason Merrill <jason@redhat.com>
961 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
964 * expr.c (init_block_move_fn): Force default visibility.
965 (init_block_clear_fn): Likewise.
966 * builtins.c (expand_builtin_fork_or_exec): Likewise.
967 * targhooks.c (default_external_stack_protect_fail): Likewise.
969 2006-03-21 Richard Sandiford <richard@codesourcery.com>
971 * config/mips/predicates.md (const_call_insn_operand): Allow direct
972 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
973 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
974 Use TARGET_OLDABI instead of !TARGET_NEWABI.
975 (loadgp): Use mips_current_loadgp_style.
976 (loadgp_noshared): New pattern.
977 (sibcall_internal): Use MIPS_CALL.
978 (sibcall_value_internal): Likewise.
979 (sibcall_value_multiple_internal): Likewise.
980 (call_internal): Likewise.
981 (call_value_internal): Likewise.
982 (call_value_multiple_internal): Likewise.
983 (call_split): Use MIPS_CALL and add an 'S' constraint.
984 (call_value_split): Likewise.
985 (call_value_multiple_split): Likewise.
986 * config/mips/mips.opt (-mabicalls): Tweak docstring.
987 (-mshared): New option.
988 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
989 (mips_current_loadgp_style): Declare.
990 * config/mips/mips.c (mips_classify_symbol): Avoid using
991 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
992 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
993 TARGET_ABSOLUTE_ABICALLS.
994 (override_options): Adjust comments. Improve the warning that is
995 issued when -mabicalls and -G are used together.
996 (mips_file_start): Remove comment.
997 (mips_current_loadgp_style): New function.
998 (mips_gnu_local_gp): New variable.
999 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1001 (mips_output_function_prologue): Use mips_current_laodgp_style.
1002 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1003 the cprestore instruction.
1004 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1005 live for TARGET_ABSOLUTE_ABICALLS.
1006 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1007 (ASM_SPEC): Pass down -mshared and -mno-shared.
1008 (MIPS_CALL): New macro.
1009 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1011 * doc/invoke.texi (-mabicalls): Update documentation.
1012 (-mshared): Document.
1014 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1016 * config/ia64/unwind-hpux.c: New file.
1017 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1019 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1022 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1024 2006-03-21 Jeff Law <law@redhat.com>
1026 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1027 type conversions of a VR_VARYING source to a wider type.
1029 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1031 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1032 tm_file on Solaris 10 and later.
1033 (sparc64-*-solaris2*): Likewise.
1034 (sparc-*-solaris2*): Likewise.
1035 * config/sol26.h: Rename to config/sol2-6.h.
1036 * config/sol2-10.h: New file.
1038 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1041 * tree-ssa-pre.c (create_component_ref_by_pieces):
1044 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1047 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1048 return it immediately.
1050 2006-03-21 Michael Matz <matz@suse.de>
1052 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1054 (remove_arc, add_arc): Update num_out_arcs member.
1055 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1057 (cache_presence): New function.
1058 (compare_states_for_equiv): New function.
1059 (state_is_differed): Don't take number of outargs, adjust callers.
1060 Use new invariant for speeding up.
1061 (init_equiv_class): Create initial classes based on sorted
1063 (partition_equiv_class): Don't track out_arcs_num.
1064 (evaluate_equiv_classes): Call cache_presence on all states and
1067 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1069 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1070 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1071 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1072 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1074 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1075 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1076 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1077 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1078 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1080 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1081 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1082 (REGNO_REG_CLASS): ARGP is in PREGS.
1083 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1085 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1086 to deal with those addresses.
1087 * addresses.h: New file.
1088 * caller-save.c: Include "addresses.h".
1089 (init_caller_save): Use new base_reg_class function.
1090 * rtl-factoring.c: Include "addresses.h".
1091 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1092 * recog.c: Include "addresses.h".
1093 (preprocess_constraints): Use new base_reg_class function.
1094 * regrename.c: Include "addresses.h".
1095 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1096 functions. Keep track of a new var INDEX_CODE to compute valid
1098 (replace_oldest_value_addr): Likewise.
1099 (replace_oldest_value_mem): Use base_reg_class.
1100 * reload.c: Include "addresses.h".
1101 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1102 (find_reloads): Use new base_reg_class function.
1103 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1104 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1105 all callers and prototype changed.
1106 * reload1.c: Include "addresses.h".
1107 (maybe_fix_stack_asms): Use base_reg_class.
1108 * regclass.c: Include "addresses.h".
1109 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1110 (init_reg_autoinc): Use new base_reg_class function.
1111 (record_reg_classes): Likewise.
1112 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1113 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1114 Use new args to compute necessary class.
1116 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1117 regrename.o, rtl-factoring.o): Update dependencies.
1118 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1119 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1120 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1121 REG_OK_FOR_INDEX_P): Delete documentation.
1123 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1125 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1126 from V7 to V9 for Solaris 7 and above.
1128 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1130 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1131 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1132 argument pointers may not alias any other storage.
1133 * common.opt: Define option -fargument-noalias-anything.
1134 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1135 alias semantics is specified by flag_argument_noalias > 2.
1137 2006-03-20 Jeff Law <law@redhat.com>
1139 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1140 (pass_phi_only_cprop): Declare.
1141 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1143 * tree-ssa-dom.c (degenerate_phi_result): New function.
1144 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1145 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1146 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1147 (eliminate_degenerate_phis): Likewise.
1148 (pass_phi_only_cprop): New pass descriptor.
1149 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1150 support code. Callers updated.
1151 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1152 (store_copy_prop): Likewise.
1153 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1155 2006-03-20 Jason Merrill <jason@redhat.com>
1158 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1159 (push_visibility, pop_visibility): Likewise.
1160 * c-pragma.h: Declare them.
1162 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1164 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1166 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1167 parameter and use get_ebb_head_tail.
1168 (sh_md_init_global): Adjust uses of find_regmode_weight.
1170 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1172 * function.h (struct function) <x_tail_recursion_reentry>:
1173 Rename to x_stack_check_probe_note.
1174 (tail_recursion_reentry): Rename to stack_check_probe_note.
1175 * function.c: Replace tail_recursion_reentry with
1176 stack_check_probe_note everywhere.
1177 (expand_function_start): Only emit a note for
1178 stack_check_probe_note with -fstack-protect.
1179 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1181 * emit-rtl.c (remove_unnecessary_notes): Remove.
1182 (pass_remove_unnecessary_notes): Remove.
1183 * rtl.h (remove_unnecessary_notes): Remove prototype.
1184 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1185 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1186 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1188 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1191 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1192 (valid_in_set): Handle ARRAY_REF.
1193 Change "if min_variant or VH" to asserts.
1194 (create_component_ref_by_pieces): Handle ARRAY_REF.
1195 (create_expression_by_pieces): Likewise.
1196 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1198 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1200 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1201 is operand of switch, not str[0].
1203 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1205 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1206 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1208 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1210 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1211 end of insn_extra_address_constraint declaration.
1213 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1215 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1216 (no-sum-in-toc): Same.
1217 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1219 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1220 NO_FP_IN_TOC for -fPIC instead of mask.
1222 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1223 (BOOT_LDFLAGS): Delete.
1225 * config/rs6000/t-aix52: Same.
1227 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1228 (stmsi[345678]_power): New.
1230 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1232 * config/ia64/ia64.opt: Add empty line to end of file.
1234 2006-03-17 Richard Guenther <rguenther@suse.de>
1237 * builtins.c (get_pointer_alignment): For component style references
1238 adjust alignment to the component type alignment. Make sure
1239 to adjust alignment for component access of constants.
1241 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1243 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1246 2006-03-17 Paul Brook <paul@codesourcery.com>
1248 * doc/install.texi: Docuemnt --with-mode.
1249 * config.gcc: Add --with-mode for arm*-*-*.
1250 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1252 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1254 * sh.c (max_labelno_before_reorg): New variable.
1255 (sh_reorg): Initialize it.
1256 (find_barrier): Check max_labelno_before_reorg before using
1257 label_to_alignment. Take length of explicit alignment insns
1258 into account. When seeing a UNSPECV_CONST_END, return it.
1260 * sh.c (fixup_mova): Set mode of affected label to QImode.
1261 (untangle_mova): New function.
1262 (find_barrier): Use it. Check mode of label before decrementing
1264 (sh_reorg): Likewise.
1265 Set mode of all insns back to VOIDmode.
1267 * sh.c (MOVA_LABELREF): New macro.
1268 (mova_p, fixup_mova, sh_reorg): Use it.
1269 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1270 ADDR_DIFF_VEC matches mova.
1272 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1274 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1275 with ATTRIBUTE_UNUSED.
1277 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1279 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1280 pointer, instead of assuming it is possible to derive the
1281 correct args size from a call insn.
1283 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1285 * rtl.h (CONST_INT_P): Define.
1286 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1287 instead of GET_CODE(x) == CONST_INT.
1288 (vax_rtx_costs): Likewise.
1289 (vax_output_int_move): Likewise.
1290 (vax_output_int_add): Likewise.
1291 (legitimate_constant_address_p): Likewise.
1292 (index_term_p): Likewise.
1293 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1294 * config/vax/vax.md (and<mode>3): Likewise.
1295 (ashrsi3): Likewise.
1297 (movstricthi): Likewise.
1298 (movstrictqi): Likewise.
1299 (rotrsi3): Likewise.
1300 (five unnamed insns): Likewise.
1302 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1304 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1305 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1306 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1307 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1308 Pass to ASM_OUTPUT_DWARF_OFFSET.
1309 * dwarf2out.c (debug_frame_section): New.
1310 (output_call_frame_info): Use debug_frame_section. Pass it to
1311 dw2_asm_output_offset.
1312 (output_die): Pass appropriate section to dw2_asm_output_offset.
1313 (output_compilation_unit_header): Likewise.
1314 (output_pubnames): Likewise.
1315 (output_aranges): Likewise.
1316 (enum dw_val_class): Break dw_val_class_lbl_offset into
1317 dw_val_class_lineptr and dw_val_class_macptr.
1318 (add_AT_lbl_offset): Delete.
1319 (add_AT_lineptr): New.
1320 (add_AT_macptr): New.
1321 (AT_lbl): Expect a lineptr or macptr.
1322 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1323 (attr_checksum): Likewise.
1324 (same_dw_val_p): Likewise.
1325 (size_of_die): Likewise.
1326 (value_format): Likewise.
1327 (output_die): Likewise.
1328 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1330 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1331 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1332 * config/darwin-protos.h (darwin_file_start): New.
1333 (darwin_asm_output_dwarf_offset): New.
1334 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1335 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1337 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1338 if not EH section; simplify.
1339 (darwin_file_start): New.
1340 (darwin_asm_output_dwarf_offset): New.
1341 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1343 (DEBUG_INFO_SECTION): Likewise.
1344 (DEBUG_ABBREV_SECTION): Likewise.
1345 (DEBUG_ARANGES_SECTION): Likewise.
1346 (DEBUG_MACINFO_SECTION): Likewise.
1347 (DEBUG_LINE_SECTION): Likewise.
1348 (DEBUG_LOC_SECTION): Likewise.
1349 (DEBUG_PUBNAMES_SECTION): Likewise.
1350 (DEBUG_STR_SECTION): Likewise.
1351 (DEBUG_RANGES_SECTION): Likewise.
1352 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1353 (ASM_OUTPUT_DWARF_OFFSET): New.
1355 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1357 * config.gcc (tm_defines): Always add to previous value rather
1360 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1362 * config/mips/predicates.md (splittable_const_int_operand): New,
1363 split from move_operand.
1364 (splittable_symbolic_operand): New.
1365 (move_operand): Add commentary. Use splittable_const_int_operand.
1366 Inline mips_atomic_symbolic_constant_p.
1367 * config/mips/mips.md: Add combine splitters for handling moves
1368 of splittable_const_int_operands and splittable_symbolic_operands.
1369 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1370 (mips_split_symbol): Declare.
1371 (mips_move_integer): Declare.
1372 * config/mips/mips.c (mips_split_p): Make global.
1373 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1374 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1375 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1376 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1377 (mips_offset_within_object_p): Handle block symbols.
1378 (mips_atomic_symbolic_constant_p): Delete.
1379 (mips_cannot_force_const_mem): Return false for constants that
1380 mips_legitimize_move can handle.
1381 (mips_use_blocks_for_constant_p): New function.
1382 (mips_split_symbol): Make global.
1383 (mips_move_integer): Likewise. Add a temporary register argument.
1384 (mips_legitimize_const_move): Use splittable_const_int_operand and
1385 splittable_symbolic_operand.
1386 (mips_use_anchors_for_symbol_p): New function.
1387 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1388 (mips_split_p): Declare.
1390 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1392 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1393 (mips*-*-linux*): Likewise.
1395 2006-03-16 Roger Sayle <roger@eyesopen.com>
1396 Daniel Speyer <dspeyer@wam.umd.edu>
1399 * tree-dump.c (dump_real): New function.
1400 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1401 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1402 (tree-dump.o): Add $(REAL_H) to the dependencies.
1404 2006-03-16 Roger Sayle <roger@eyesopen.com>
1407 * real.c (real_from_string): If the mantissa is zero, don't bother
1408 parsing the exponent as the result should always be zero.
1410 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1412 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1414 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1416 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1417 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1418 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1419 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1420 ia64_sched_finish_global): New static functions to implement
1421 hooks from gcc_target.sched.
1422 (spec_check_no, max_uid, pending_data_specs): New static variables.
1423 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1424 ia64_spec_check_src_p): New static functions.
1425 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1426 (TARGET_SCHED_ADJUST_COST): Removed.
1427 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1428 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1429 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1430 TARGET_SCHED_GEN_CHECK,
1431 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1432 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1433 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1434 Fixed to handle speculation checks.
1435 (rtx_needs_barrier): Fixed to handle speculative loads and
1437 (ia64_variable_issue): Added code to count speculative loads and their
1439 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1441 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1443 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1445 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1446 (ia64_reorg): Reset stops_p to NULL after it is freed.
1447 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1448 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1449 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1451 (data_speculative, control_speculative, check_load): New attributes.
1452 (mov<mode>_advanced, mov<mode>_speculative,
1453 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1454 zero_extend<mode>di2_speculative,
1455 zero_extend<mode>di2_speculative_advanced): New patterns for
1456 data and control speculative loads.
1457 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1459 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1460 New pattern for data and control speculation checks.
1461 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1462 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1463 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1464 Auxiliary definitions for the patterns.
1465 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1466 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1468 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1470 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1471 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1472 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1473 New resource constraints.
1474 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1476 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1477 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1478 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1479 msched-in-control-spec, msched-ldc, msched-control-ldc,
1480 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1481 msched-prefer-non-control-spec-insns,
1482 msched-count-spec-in-critical-path): New flags to tune speculative
1484 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1485 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1486 msched-in-control-spec, msched-ldc, msched-control-ldc,
1487 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1488 msched-prefer-non-control-spec-insns,
1489 msched-count-spec-in-critical-path): Document new flags.
1491 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1493 * target.h (struct spec_info_def): New opaque declaration.
1494 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1495 speculate_insn, needs_block_p, gen_check,
1496 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1497 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1498 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1499 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1500 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1501 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1503 (TARGET_SCHED): Use new macros.
1504 * rtl.h (copy_DEPS_LIST_list): New prototype.
1505 * sched-int.h (struct sched_info): Change signature of new_ready field,
1506 adjust all initializations. New fields: add_remove_insn,
1507 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1508 region_head_or_leaf_p.
1509 (struct spec_info_def): New structure declaration.
1510 (spec_info_t): New typedef.
1511 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1512 recovery_block, orig_pat.
1513 (glat_start, glat_end): New variables declaraions.
1514 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1516 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1517 DETACH_LIFE_INFO, USE_GLAT.
1518 (enum SPEC_SCHED_FLAGS): New enumeration.
1519 (NOTE_NOTE_BB_P): New macro.
1520 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1521 attach_life_info, debug_spec_status, check_reg_live): New functions.
1522 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1523 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1525 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1526 * ddg.c (get_block_head_tail): Adjust all uses.
1527 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1528 (sms_sched_info): Initialize new fields.
1529 (contributes_to_priority): Removed.
1530 * haifa-sched.c (params.h): New include.
1531 (get_block_head_tail): Adjust all uses.
1532 (ISSUE_POINTS): New macro.
1533 (glat_start, glat_end): New global variables.
1534 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1535 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1536 old_last_basic_block, before_recovery, current_sched_info_var,
1537 rgn_n_insns, luid): New static variables.
1538 (insn_cost1): New function. Move logic from insn_cost to here.
1539 (find_insn_reg_weight1): New function. Move logic from
1540 find_insn_reg_weight to here.
1541 (reemit_notes, move_insn, max_issue): Change signature.
1542 (move_insn1): Removed.
1543 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1544 extend_bb): New static functions to support extension of scheduler's
1546 (generate_recovery_code, process_insn_depend_be_in_spec,
1547 begin_speculative_block, add_to_speculative_block,
1548 init_before_recovery, create_recovery_block, create_check_block_twin,
1549 fix_recovery_deps): New static functions to support
1550 generation of recovery code.
1551 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1552 restore_bb_notes, move_block_after_check, move_succs): New static
1553 functions to support ebb scheduling.
1554 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1555 functions to support handling of register live information.
1556 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1557 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1558 add_jump_dependencies): New static functions.
1559 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1560 consistancy checking.
1561 (debug_spec_status): New function to call from debugger.
1562 (priority): Added code to handle speculation checks.
1563 (rank_for_schedule): Added code to distinguish speculative instructions.
1564 (schedule_insn): Added code to handle speculation checks.
1565 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1566 Fixed to handle ebbs.
1567 (move_insn): Added code to handle ebb scheduling.
1568 (max_issue): Added code to use ISSUE_POINTS of instructions.
1569 (choose_ready): Added code to choose between speculative and
1570 non-speculative instructions.
1571 (schedule_block): Added code to handle ebb scheduling and scheduling of
1572 speculative instructions.
1573 (sched_init): Initialize new variables.
1574 (sched_finish): Free new variables. Print statistics.
1575 (try_ready): Added code to handle speculative instructions.
1576 * lists.c (copy_DEPS_LIST_list): New function.
1577 * sched-deps.c (extend_dependency_caches): New function. Move logic
1578 from create_dependency_caches to here.
1579 (get_dep_weak, ds_merge): Make global.
1580 * genattr.c (main): Code to output prototype for
1581 dfa_clear_single_insn_cache.
1582 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1583 (output_dfa_clean_insn_cache_func): Code to output
1584 dfa_clear_single_insn_cache function.
1585 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1587 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1589 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1590 New static variables.
1591 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1592 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1594 (ebb_sched_info): Initialize new fields.
1595 (get_block_head_tail): Adjust all uses.
1596 (compute_jump_reg_dependencies): Fixed to use glat_start.
1597 (schedule_ebb): Code to remove unreachable last block.
1598 (schedule_ebbs): Added code to update register live information.
1599 * sched-rgn.c (region_sched_info): Initialize new fields.
1600 (get_block_head_tail): Adjust all uses.
1601 (last_was_jump): Removed. Adjust users.
1602 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1603 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1604 Implement new hooks.
1605 (check_dead_notes1): New static function.
1606 (struct region): New fields: dont_calc_deps, has_real_ebb.
1607 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1608 (BB_TO_BLOCK): Fixed to handle EBBs.
1609 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1610 (ebb_head): New static variable.
1611 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1612 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1614 (compute_dom_prob_ps): New assertion.
1615 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1616 global_live_at_start.
1617 (init_ready_list): New assertions.
1618 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1619 (new_ready): Add support for BEGIN_CONTROL speculation.
1620 (schedule_insns): Fixed code that updates register live information
1622 (schedule_region): Fixed to handle EBBs.
1623 (init_regions): Use extend_regions and check_dead_notes1.
1624 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1625 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1626 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1627 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1628 TARGET_SCHED_GEN_CHECK,
1629 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1630 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1631 * doc/invoke.texi (max-sched-insn-conflict-delay,
1632 sched-spec-prob-cutoff): Document.
1634 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1636 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
1637 inter_tick, queue_index.
1638 (struct sched_info): Change signature of init_ready_list field.
1639 Adjust all initializations.
1640 (RESOLVED_DEPS): New access macro.
1641 (ready_add): Remove prototype.
1642 (try_ready): Add prototype.
1643 * sched-rgn.c (init_ready_list): Use try_ready.
1644 (schedule_region): Initialize
1645 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
1646 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
1647 (init_ready_list): Use try_ready.
1648 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
1649 * lists.c (remove_list_elem): Remove `static'.
1650 (remove_free_INSN_LIST_elem): New function.
1651 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
1652 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
1653 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
1655 (readyp): New variable.
1656 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
1657 change_queue_index, resolve_dep): New static functions.
1658 (try_ready): New function. Adjust callers in sched-rgn.c and
1659 sched-ebb.c to use it instead of ready_add.
1660 (clock_var): Move at the begining of file.
1661 (rank_for_schedule): Fix typo.
1662 (queue_insn): Add assertion. Handle QUEUE_INDEX.
1663 (ready_lastpos): Enforce assertion.
1664 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
1666 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
1667 (schedule_insn): Rewrite to use try_ready and resolve_dep.
1668 (queue_to_ready): Use free_INSN_LIST_list.
1669 (early_queue_to_ready): Fix typo.
1670 (schedule_block): Init readyp. Move init_ready_list call after the
1671 initialization of clock_var. Fix error in rejecting insn by
1672 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
1673 that previously corrected INSN_TICKs. Add code for handling
1675 (set_priorities): Fix typo.
1676 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
1677 Clarify comment and code that keeps current_sched_info->next_tail
1680 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1682 * sched-rgn.c (extend_rgns): New static function.
1683 (find_rgns): Use it.
1684 (gather_region_statistics, print_region_statistics): New static
1686 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
1687 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1689 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1690 Andrey Belevantsev <abel@ispras.ru>
1692 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
1693 * lists.c (unused_deps_list): New variable.
1694 (free_list): Add assertions to verify the proper distinguishing
1695 between INSN_LISTs and DEPS_LISTs.
1696 (find_list_elem, remove_list_elem, remove_list_node): New static
1698 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
1699 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
1700 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
1701 (alloc_INSN_LIST): Assert that the list we're working on is indeed
1703 (free_INSN_LIST_node): Likewise.
1704 * modulo-sched.c (current_sched_info): Initialize flags field.
1705 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
1706 * rtl.def (DEPS_LIST): Define.
1707 * rtl.h: Declare new functions from lists.c.
1708 * sched-deps.c (spec_dependency_cache): New static variable.
1709 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
1710 (add_dependence): Change return type to void. Move the logic to ...
1711 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
1712 (delete_all_dependences): Add comment about forward_dependency_cache.
1713 Handle spec_dependency_cache. Handle DEPS_LISTs.
1714 (fixup_sched_groups): Clarify the change of priority of output
1715 and anti dependencies.
1716 (sched_analyze_2): Adjust add_dependence calls to create data
1717 speculative dependence.
1718 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
1719 Adjust all callers. Handle DEPS_LISTS.
1720 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
1721 presence of speculation.
1722 (init_dependency_caches, free_dependency_caches):
1723 Handle spec_dependency_cache.
1724 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
1725 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
1726 New static functions.
1727 (add_or_update_back_dep, add_or_update_back_forw_dep,
1728 add_back_forw_dep, delete_back_forw_dep): New functions.
1729 * sched-int.h (ds_t, dw_t): New typedefs.
1730 (struct sched_info): Add new field flags.
1731 (struct haifa_insn_data): Add new bitfield has_internal_dep.
1732 Prototype new sched-deps.c functions.
1733 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
1734 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
1735 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
1736 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
1737 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
1738 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
1740 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
1742 * sched-rgn.c (current_sched_info): Initialize flags field.
1743 (schedule_insns): Initialize current_sched_info before the sched_init
1745 * sched-ebb.c (current_sched_info): Initialize flags field.
1746 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
1747 Call add_or_update_back_dep instead of add_dependence.
1748 Create control speculative dependencies.
1749 (schedule_insns): Initialize current_sched_info before the sched_init
1752 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
1754 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
1756 (sh_fallback_frame_state): Likewise.
1758 2006-03-15 Geoffrey Keating <geoffk@apple.com>
1760 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
1761 Do switch on default_use_cxa_atexit.
1762 (powerpc*-*-darwin*): Build crt2.o on powerpc.
1763 * config/darwin-crt3.o: New.
1764 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
1765 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
1766 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
1768 * config/rs6000/t-darwin: Move crt2.o building to here.
1769 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
1770 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
1773 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1775 * config/vax/vax.c (nonindexed_address_p): Change logical negation
1776 from '! xxx' to '!xxx' for coding-style conformance.
1777 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
1778 (EXTRA_CONSTRAINT): Likewise.
1779 * config/vax/vax.md (four unnamed insns): Likewise.
1781 2006-03-15 Paul Brook <paul@codesourcery.com>
1783 * config/arm/arm.c (minipool_pad): New.
1784 (add_minipool_forward_ref): Include pool alignment padding in address
1786 (push_minipool_fix): Set minipool_pad.
1787 (minipool_pad): Ditto.
1789 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1791 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
1792 instead of GET_CODE() == MEM and REG_P() instead of
1794 (print_operand_address): Likewise.
1795 (vax_address_cost): Likewise.
1796 (vax_rtx_costs): Likewise.
1797 (vax_notice_update_cc): Likewise.
1798 (vax_output_int_add): Likewise.
1799 (INDEX_REGISTER_P): Likewise.
1800 (BASE_REGISTER_P): Likewise.
1801 (nonindexed_address_p): Likewise.
1802 (vax_mode_dependent_address_p): Likewise.
1803 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
1804 (PRINT_OPERAND): Likewise.
1805 * config/vax/vax.md (ashlsi3): Likewise.
1806 (ashlsi3): Likewise.
1807 (some more unnamed insns): Likewise.
1809 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
1811 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
1812 iterator-style macro.
1813 (mark_control_dependent_edges_necessary): Update the use of
1814 EXECUTE_IF_CONTROL_DEPENDENT.
1816 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
1818 * config/sh/predicates.md (cache_address_operand): Special.
1819 (ua_address_operand): Likewise.
1821 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
1823 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
1825 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
1827 2006-03-15 Andreas Schwab <schwab@suse.de>
1829 * gensupport.c (identify_predicable_attribute): Don't free p_false
1830 when it is still in use.
1832 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1834 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
1835 the default setting here.
1837 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
1839 * tree-pass.h (pass_cfg): Remove.
1840 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
1841 * passes.c (pass_cfg): Don't run it.
1843 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
1845 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
1846 * reg-stack.c (stack_regs_mentioned_data): Change the type to
1848 (stack_regs_mentioned): Update the uses of
1849 stack_regs_mentioned_data. Don't access the array beyond its
1851 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
1852 Don't include gt-reg-stack.h.
1854 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
1855 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
1857 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
1860 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
1863 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1865 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
1867 2006-03-14 Richard Guenther <rguenther@suse.de>
1869 PR tree-optimization/26672
1870 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
1873 2006-03-14 Richard Guenther <rguenther@suse.de>
1875 PR tree-optimization/26667
1876 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
1877 node for the callees. Always allow inlining if it will shrink
1880 2006-03-14 Richard Guenther <rguenther@suse.de>
1883 * builtins.c (get_pointer_alignment): Prefer alignment
1884 information from decls over that from types.
1886 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
1889 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
1891 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
1893 * config/rs6000/rs6000.opt (mdlmzb): New option.
1894 (msched-prolog, msched-epilog): Use Var not Mask.
1895 * doc/invoke.texi (-mdlmzb): Document.
1896 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1898 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
1899 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
1901 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
1903 PR rtl-optimization/25739
1904 * bt-load.c (augment_live_range): Free tos pointer.
1906 * gensupport.c (identify_predicable_attribute): Free
1908 * gcov.c (create_file_names): Free name pointer.
1910 2006-03-13 Roger Sayle <roger@eyesopen.com>
1913 * stmt.c (emit_case_nodes): Handle the case where the index is a
1914 CONST_INT, where the comparison mode is specified by the index type.
1916 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1918 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
1921 2006-03-13 Richard Sandiford <richard@codesourcery.com>
1923 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
1924 (*branch_fp_inverted): Likewise.
1926 2006-03-13 Jakub Jelinek <jakub@redhat.com>
1929 * omp-low.c (expand_omp_for_generic): Mark istart0
1930 and iend0 as addressable.
1932 2006-03-13 Jie Zhang <jie.zhang@analog.com>
1934 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
1936 2006-03-13 Jeff Law <law@redhat.com>
1938 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
1939 virtual operands are interesting.
1940 (vrp_visit_stmt): Corresponding changes.
1942 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
1944 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
1946 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
1947 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
1948 * config/bfin/crti.S: Use it instead of __PIC__.
1949 * config/bfin/crtn.S: Likewise.
1951 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
1952 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
1954 Lose 'G' modifier for call operand.
1955 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
1956 recognize 'G' modifier.
1958 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
1961 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
1962 * stmt.c (expand_case): Likewise.
1964 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1966 PR rtl-optimization/26254
1967 * loop-invariant.c (seq_insns_valid_p): New function.
1968 (move_invariant_reg): Only emit new code if it is valid.
1970 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1972 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
1974 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
1975 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
1976 (commit_one_edge_insertion): Do not look for loop notes.
1978 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1980 * jump.c (follow_jumps): Do not check for loop notes. Move check for
1981 flag_test_coverage out of loop.
1983 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1985 * final.c (shorten_branches): Remove outdated comment, and turn
1986 the if branch that guards it to continue.
1988 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1990 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
1991 * cfgloop.h (struct loop): Remove unused fields.
1993 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
1995 * doc/invoke.texi (-fdump-rtl-loop): Remove.
1996 (-dL, -fdump-rtl-loop2): Update the dump file names
1998 * doc/invoke.texi: Update dump file names.
2000 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2002 * predict.c (estimate_probability): Remove.
2003 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2004 * basic-block.h (estimate_probability): Remove prototype.
2005 * passes.c (finish_optimization_passes): Dump branch prediction or
2006 profiling heuristics to the .profile tree dump.
2007 (init_optimization_passes): Unqueue pass_branch_prob.
2009 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2011 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2013 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2014 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2016 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2018 * function.h (frame_offset_overflow): Declare.
2019 * function.c (frame_offset_overflow): New function.
2020 (assign_stack_local_1): Call it to detect that the offset overflows.
2021 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2023 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2025 * config/sh/sh.c: Include alloc-pool.h.
2026 (label_ref_list_pool): New alloc pool.
2027 (label_ref_list_t): New type for lists of labels.
2028 (struct pool_node): Make wend a label_ref_list_t.
2029 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2031 (dump_table): Likewise.
2032 (sh_reorg): Set up the alloc pool before using add_constant and
2033 dump_table, and destroy it when finishing.
2035 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2037 * config/mips/mips.c: Remove redundant comment.
2039 2006-03-10 Jason Merrill <jason@redhat.com>
2042 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2043 the target was declared 'register'.
2045 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2047 * genpreds.c (write_insn_constraint_len): Change definition of
2048 insn_constraint_len to return size_t to match the declaration.
2050 2006-03-10 DJ Delorie <dj@redhat.com>
2052 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2054 (m32c_expand_insv): Fix test for an AND mask.
2056 2006-03-10 Richard Guenther <rguenther@suse.de>
2059 * builtins.c (get_pointer_alignment): Handle component
2060 references for field alignment.
2062 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2064 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2065 when building with libgloss.
2066 (sh*elf): Implement --without-fp option.
2067 (sh64-superh-linux*): Don't multilib.
2069 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2071 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2073 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2075 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2076 Set it when one of the replacement functions returned true.
2077 Return TODO_cleanup_cfg if cfgchanged is true.
2078 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2080 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2082 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2083 instead of gen_lowpart.
2085 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2087 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2089 (mips_output_order_conditional_branch): Declare.
2090 * config/mips/mips.h (MIPS_BRANCH): New macro.
2091 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2092 for the comparison. Use gen_condjump.
2093 (mips_output_conditional_branch): Rework interface to take the
2094 asm templates for a direct branch and the inverse of a direct branch.
2095 (mips_output_order_conditional_branch): New function.
2096 (mips_builtin_branch_and_move): New function.
2097 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2098 branch condition. Use gen_single_cc as the condition for
2099 __builtin_mips_upper_* or __builtin_mips_lower_*.
2100 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2101 Use VOIDmode for the branch condition.
2102 * config/mips/predicates.md (order_operator): New predicate.
2103 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2104 (branch_fp): Rename to...
2105 (*branch_fp): ...this. Remove mode from comparison operator.
2106 Use new mips_output_conditional_branch interface.
2107 (branch_fp_inverted): Rename to...
2108 (*branch_fp_inverted): ...this and update as for *branch_fp.
2109 (*branch_zero<mode>): Rename to...
2110 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2111 Use mips_output_order_conditional_branch. Only accept ordered
2113 (*branch_zero<mode>_inverted): Rename to...
2114 (*branch_order<mode>_inverted): ...this and update as for
2115 *branch_order<mode>.
2116 (*branch_equality<mode>): Accept zero as the second operand to
2117 the equality operator. Use the new mips_output_conditional_branch
2119 (*branch_equality<mode>_inverted): Likewise.
2120 (condjump): New expander.
2121 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2123 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2124 (bc1any2t, bc1any2f): Likewise.
2125 (single_cc): New expander.
2126 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2128 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2130 * doc/md.texi: Update documentation of MIPS constraints.
2131 * config/mips/constraints.md: New file.
2132 * config/mips/mips.md: Include it.
2133 * config/mips/mips.c (mips_char_to_class): Delete.
2134 (override_options): Don't initialize mips_char_to_class.
2135 * config/mips/mips.h (mips_char_to_class): Delete.
2136 (REG_CLASS_FROM_LETTER): Delete.
2137 (CONST_OK_FOR_LETTER_P): Delete.
2138 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2139 (EXTRA_CONSTRAINT_Y): Delete.
2140 (EXTRA_CONSTRAINT_STR): Delete.
2141 (CONSTRAINT_LEN): Delete.
2142 (EXTRA_MEMORY_CONSTRAINT): Delete.
2144 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2146 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2147 original fn's eh regions.
2149 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2151 * fold-const.c (build_range_check): Make sure to use a valid type to
2152 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2155 (range_predecessor): New static function.
2156 (range_successor): Likewise.
2157 (merge_ranges): Use them to compute predecessors and successors of
2160 2006-03-09 Roger Sayle <roger@eyesopen.com>
2163 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2164 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2166 2006-03-08 DJ Delorie <dj@redhat.com>
2168 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2169 (addpsi3): Expand to include memory operands. Remove
2170 reload-specific splits.
2171 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2172 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2173 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2174 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2175 (shift1_qi, shift1_hi, insv): New.
2176 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2177 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2178 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2180 * config/m32c/m32c-protos.h: Update as needed.
2181 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2182 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2183 Fail for unrecognized R* constraints.
2184 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2185 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2186 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2188 (m32c_init_libfuncs): New.
2189 (m32c_legitimate_address_p): Add debug wrapper.
2190 (m32c_rtx_costs): New.
2191 (m32c_address_cost): New.
2192 (conversions): Add 'B' prefix.
2193 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2194 operands, or word regnames for QI operands. 'B' prints bit
2196 (m32c_expand_setmemhi): New.
2197 (m32c_expand_movmemhi): New.
2198 (m32c_expand_movstr): New.
2199 (m32c_expand_cmpstr): New.
2200 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2201 (m32c_expand_neg_mulpsi3): Handle non-ints.
2202 (m32c_cmp_flg_0): New.
2203 (m32c_expand_movcc): New.
2204 (m32c_expand_insv): New.
2205 (m32c_scc_pattern): New.
2206 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2207 a0/a1 out of SIregs.
2208 (STORE_FLAG_VALUE): New.
2209 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2212 * config/m32c/mov.md: Make constraints more liberal.
2213 (zero_extendqihi2): Optimize r0/r1 case.
2214 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2215 * config/m32c/predicates.md (m32c_any_operand): New.
2216 (m32c_nonimmediate_operand): New.
2217 (m32c_hl_operand): New.
2218 (m32c_r3_operand): New.
2221 (memsym_operand): New.
2222 (memimmed_operand): New.
2223 (a_qi_operand): New.
2224 (m32c_eqne_operator): New.
2225 (m32c_1bit8_operand): New.
2226 (m32c_1bit16_operand): New.
2227 (m32c_1mask8_operand): New.
2228 (m32c_1mask16_operand): New.
2229 * config/m32c/blkmov.md: New file.
2230 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2232 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2234 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2235 unsigned to fix signed/unsigned comparison issue in
2236 DWARF2_FRAME_REG_OUT.
2237 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2238 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2240 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2241 of ptr into the ENABLE_CHECKING section.
2243 2006-03-08 Jeff Law <law@redhat.com>
2245 * tree-vrp.c (infer_value_range): Only count pointer uses
2246 and dereferences if -fdelete-null-pointer-checks is enabled.
2248 * tree-vrp.c (find_assert_locations): Infer value ranges for
2249 single use pointers, but do not create ASSERT_EXPRs for them.
2250 When a non-null range is inferred for a pointer, backwards
2251 propagate that range to other equivalent pointers through the
2254 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2257 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2258 language hook targets.
2259 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2260 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2261 if language hook targets were missing.
2263 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2265 * tree-ssa-opfinalize.h: Removed.
2266 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2268 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2269 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2270 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2271 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2272 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2273 finalize_ssa_v_must_def_ops): New.
2275 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2277 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2280 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2282 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2284 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2285 addresses with offsets; reorganize.
2287 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2288 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2289 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2291 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2294 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2296 2006-03-08 Ben Elliston <bje@au.ibm.com>
2298 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2300 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2303 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2306 2006-03-07 Richard Guenther <rguenther@suse.de>
2308 PR tree-optimization/26587
2309 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2311 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2313 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2315 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2317 * hooks.c (hook_bool_mode_rtx_true): New function.
2318 * hooks.h (hook_bool_mode_rtx_true): Declare.
2319 * toplev.c (compile_file): Call output_shared_constant_pool.
2320 * varasm.c (shared_constant_pool): New variable.
2321 (assemble_start_function, assemble_end_function): Remove arguments
2322 from call to output_constant_pool.
2323 (create_constant_pool): New function, split out from...
2324 (init_varasm_status): ...here.
2325 (force_const_mem): Choose between the shared and per-function constant
2326 pools. Set current_function_uses_const_pool when reusing old entries
2327 as well as when creating new ones.
2328 (mark_constant): Ignore data argument.
2329 (mark_constants): Remove pool argument.
2330 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2331 to decide whether the function uses a constant pool.
2332 (output_constant_pool_contents): New function, split out from...
2333 (output_constant_pool): ...here.
2334 (output_shared_constant_pool): New function.
2335 (init_varasm_once): Initialize shared_constant_pool.
2336 * output.h (output_constant_pool): Delete.
2337 (output_shared_constant_pool): Declare.
2338 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2339 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2341 2006-03-06 Nick Clifton <nickc@redhat.com>
2343 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2344 flag_strength_reduce.
2346 2006-03-06 Ben Elliston <bje@au.ibm.com>
2348 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2349 x86_64-*-linux* configurations.
2351 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2352 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2354 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2356 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2358 * basic-block.h: Remove the extern for
2359 rediscover_loops_after_threading.
2361 * cfgloop.c (cancel_loop): Make it static.
2362 * cfgloop.h: Remove the prototype for cancel_loop.
2364 * flow.c (recompute_reg_usage): Make it static.
2365 * rtl.h: Remove the prototype for recompute_reg_usage.
2367 * function.c (use_return_register): Make it static.
2368 * function.h: Remove the prototype.
2370 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2372 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2374 * recog.h: Remove the prototype for
2375 validate_change_maybe_volatile.
2377 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2379 * rtlanal.c (replace_reg): Remove.
2380 * rtl.h: Remove the prototype for replace_reg.
2382 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2384 * regclass.c (reg_scan_update): Remove.
2385 (reg_scan_mark_refs): Remove the last argument.
2386 * rtl.h: Remove the prototype for reg_scan_update.
2388 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2390 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2391 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2392 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2393 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2394 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2395 loop-invariant.c, omp-low.c, opts.c, passes.c,
2396 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2397 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2398 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2399 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2400 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2401 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2403 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2405 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2406 * dwarf2out.h: Remove the prototype for
2407 dwarf2out_add_library_unit_info.
2409 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2411 * tree.c (add_var_to_bind_expr): Remove.
2412 * tree.h: Remove the prototype for add_var_to_bind_expr.
2414 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2416 * regclass.c (n_non_fixed_regs): Remove.
2417 (init_reg_sets_1, globalize_reg): Remove all uses of
2419 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2421 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2423 * rtlanal.c (insns_safe_to_move_p): Remove.
2424 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2426 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2428 * expmed.c (expand_mult_add): Remove.
2429 * expr.h: Remove the prototype for expand_mult_add.
2431 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2433 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2434 and REG_SAVED_VAL_EXP constants.
2435 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2436 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2437 Handle regs stored by value.
2438 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2439 (execute_cfa_program): Handle DW_CFA_val_offset,
2440 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2441 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2442 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2443 (uw_install_context_1): Handle target regs stored by value.
2445 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2447 * tree-sra.c (tree_sra): Return todoflags;
2448 (generate_one_element): Set TODO_update_smt_usage if needed.
2449 (pass_sra): Remove TODO_update_smt_usage.
2450 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2452 (tree_ssa_forward_propagate_single_use_vars): Return
2453 TODO_update_smt_usage if we need to update SMT usage.
2454 (pass_forwprop): Remove TODO_update_smt_usage.
2456 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2458 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2459 (correct_use_link): Remove reference to get_stmt_operands.
2460 (update_stmt_operands): Likewise.
2461 (get_modify_expr_operands): New function factored out of
2462 parse_ssa_operands and get_expr_operands.
2463 Try to create V_MUST_DEFs for LHS by default.
2464 (get_expr_operands) <case MODIFY_EXPR>: Call
2465 get_modify_expr_operands.
2466 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2467 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2468 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2469 get_modify_expr_operands.
2471 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2473 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2474 * tree-flow.h: Remove the prototype for
2475 referenced_var_lookup_if_exists.
2477 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2479 PR rtl-optimization/26345
2481 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2483 2006-03-03 Roger Sayle <roger@eyesopen.com>
2485 PR tree-optimization/26524
2486 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2487 fold_convert to create a constant of the appropriate type.
2489 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2491 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2492 SYMBOL_REF_IN_BLOCK_P.
2493 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2494 of SYMBOL_FLAG_IN_BLOCK.
2495 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2496 instead of SYMBOL_REF_IN_BLOCK_P.
2497 * explow.c (use_anchored_address): Likewise.
2498 * rtl.c (rtx_size): Likewise.
2499 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2500 instead of SYMBOL_FLAG_IN_BLOCK.
2501 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2502 SYMBOL_REF_IN_BLOCK_P.
2503 (assemble_variable): Likewise.
2504 (output_constant_def_contents): Likewise.
2505 (output_constant_pool): Likewise.
2506 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2507 instead of SYMBOL_FLAG_IN_BLOCK.
2508 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2509 SYMBOL_REF_IN_BLOCK_P.
2510 (SYMBOL_REF_BLOCK): Likewise.
2511 (SYMBOL_REF_OFFSET): Likewise.
2512 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2513 SYMBOL_REF_IN_BLOCK_P.
2514 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2515 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2516 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2517 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2519 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2521 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2523 2006-03-02 Roger Sayle <roger@eyesopen.com>
2525 * simplify-rtx.c (simplify_unary_operation): When simplifying
2526 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2527 that we perform the right shift in the appropriate mode, and
2528 then extend or truncate the result to requested mode.
2530 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2532 * gengtype.c (main): Handle double_int type.
2533 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2534 * double-int.c: New file.
2535 * double-int.h: New file.
2536 * system.h: Include doubleint.h.
2537 * Makefile.in (SYSTEM_H): Include double-int.h.
2538 (double-int.o): Add.
2540 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2543 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2546 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2548 * tree-vrp.c (remove_range_assertions): Do not update statements
2551 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2553 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2555 * gcse.c (rest_of_handle_gcse): Ditto.
2556 * except.c (gate_handle_eh): Ditto.
2557 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2558 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2560 2006-03-02 Eric Christopher <echristo@apple.com>
2562 * config/i386/i386.c (machopic_output_stub): Add indirection to
2565 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2569 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2571 Sun Niagara specific optimizations.
2572 * config.gcc: Recognize niagara as target.
2573 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2574 (TARGET_CPU_niagara): Define.
2575 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2576 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2577 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2578 (ASM_CPU_SPEC): Likewise.
2579 (PROCESSOR_NIAGARA): New enum entry.
2580 (REGISTER_MOVE_COST): Handle Niagara.
2581 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2582 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2583 (sparc_override_options): Recognize "niagara", set appropriate
2584 default MASK_* values for it, and align functions to 32-bytes
2585 by default just like ULTRASPARC/ULTRASPARC3.
2586 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2587 (sparc64_initialize_trampoline): Likewise.
2588 (sparc_use_sched_lookahead): Use zero for niagara.
2589 (sparc_issue_rate): Use one for niagara.
2590 * config/sparc/niagara.md: New file.
2591 * config/sparc/sparc.md: Include it.
2592 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2593 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2594 when default cpu is niagara.
2595 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2596 (ASM_CPU_SPEC): Likewise.
2597 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2598 when default cpu is niagara.
2599 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2600 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2601 just like v9/ultrasparc/ultrasparc3.
2602 * doc/invoke.texi: Add documentation for "niagara" and improve
2603 existing documentation for ultrasparc variants.
2605 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2607 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2609 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2611 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2612 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2613 and say that only one is needed.
2614 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2615 * target.h (have_switchable_bss_sections): New hook.
2616 * explow.c (use_anchored_address): Check that the symbol is in a block.
2617 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2618 (bss_noswitch_section): New variables.
2619 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2620 (get_noswitch_section): New function.
2621 (get_block_for_section): Allow SECT to be null.
2622 (unlikely_text_section_p): Use SECTION_STYLE.
2623 (bss_initializer_p): New function.
2624 (get_variable_section): Move earlier in file. Take a new argument,
2625 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2626 Return one of the new *_sections in such cases.
2627 (get_block_for_decl): New function, extracting some logic from
2628 use_blocks_for_decl_p.
2629 (change_symbol_section): Remove in favor of...
2630 (change_symbol_block): ...this new function.
2631 (use_blocks_for_decl_p): Remove checks now performed by
2633 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
2634 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
2635 (emit_local, emit_bss, emit_common): ...these new functions.
2636 Return true if the alignment was honored.
2637 (emit_tls_common): New function.
2638 (asm_emit_uninitialised): Delete.
2639 (assemble_variable_noswitch): New function, split out from...
2640 (assemble_variable): ...here. Don't make decisions about common
2641 variables here. Globalize all public decls that go into non-common
2642 sections. Check whether SYMBOL_REF_BLOCK is null.
2643 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
2644 (output_constant_pool): Likewise.
2645 (init_varasm_once): Initialize the new section variables.
2646 (have_global_bss_p): New function.
2647 (categorize_decl_for_section): Use bss_initializer_p.
2648 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
2649 (place_block_symbol): Assert that the symbol must be in a block.
2650 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
2651 (TARGET_INITIALIZER): Include it.
2652 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
2653 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
2654 (SECTION_MACH_DEP): Bump by two.
2655 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
2656 (unnamed_section): Mention SECTION_UNNAMED in comment.
2657 (named_section): Likewise SECTION_NAMED.
2658 (noswitch_section_callback): New type.
2659 (noswitch_section): New structure.
2660 (section): Add a noswitch_section alternative.
2661 (SECTION_STYLE): New macro.
2662 (tls_comm_section, comm_section, lcomm_section): Declare.
2663 (bss_noswitch_section, have_global_bss_p): Declare.
2664 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2665 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2667 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2668 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2671 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
2673 * gcc/tree-vrp.c (execute_vrp): Return value.
2674 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
2675 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
2676 * gcc/tree-complex.c (tree_lower_complex): Ditto.
2677 (tree_lower_complex_O0): Ditto.
2678 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
2679 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
2680 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
2681 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
2682 (execute_tail_calls): Ditto.
2683 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2684 * gcc/tree.h (init_function_for_compilation): Ditto.
2685 * gcc/ipa-cp.c (ipcp_driver): Ditto.
2686 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
2687 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
2688 * gcc/final.c (compute_alignments): Ditto.
2689 (rest_of_handle_final): Ditto.
2690 (rest_of_handle_shorten_branches): Ditto.
2691 (rest_of_clean_state): Ditto.
2692 * gcc/omp-low.c (execute_expand_omp): Ditto.
2693 (execute_lower_omp): Ditto.
2694 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
2695 * gcc/ipa-reference.c (static_execute): Ditto.
2696 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
2697 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
2698 (rest_of_handle_machine_reorg): Ditto.
2699 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
2700 * gcc/flow.c (recompute_reg_usage): Ditto.
2701 (rest_of_handle_remove_death_notes): Ditto.
2702 (rest_of_handle_life): Ditto.
2703 (rest_of_handle_flow2): Ditto.
2704 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
2705 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
2706 (do_ssa_store_ccp): Ditto.
2707 (execute_fold_all_builtins): Ditto.
2708 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
2709 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
2710 * gcc/ipa-pure-const.c (static_execute): Ditto.
2711 * gcc/cse.c (rest_of_handle_cse): Ditto.
2712 (rest_of_handle_cse2): Ditto.
2713 * gcc/web.c (rest_of_handle_web): Ditto.
2714 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
2715 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
2716 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2717 * gcc/tree-nrv.c (tree_nrv): Ditto.
2718 (execute_return_slot_opt): Ditto.
2719 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
2720 (create_structure_vars): Ditto.
2721 * gcc/loop-init.c (rtl_loop_init): Ditto.
2722 (rtl_loop_done): Ditto.
2723 (rtl_move_loop_invariants): Ditto.
2724 (rtl_unswitch): Ditto.
2725 (rtl_unroll_and_peel_loops): Ditto.
2726 (rtl_doloop): Ditto.
2727 * gcc/gimple-low.c (lower_function_body): Ditto.
2728 (mark_used_blocks): Ditto.
2729 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
2730 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
2731 (cgraph_early_inlining): Ditto.
2732 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
2733 * gcc/jump.c (cleanup_barriers): Ditto.
2734 (purge_line_number_notes): Ditto.
2735 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
2736 (rest_of_handle_if_after_reload): Ditto.
2737 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
2738 (tree_ssa_loop_im): Ditto.
2739 (tree_ssa_loop_unswitch): Ditto.
2740 (tree_vectorize): Ditto.
2741 (tree_linear_transform): Ditto.
2742 (tree_ssa_loop_ivcanon): Ditto.
2743 (tree_ssa_empty_loop): Ditto.
2744 (tree_ssa_loop_bounds): Ditto.
2745 (tree_complete_unroll): Ditto.
2746 (tree_ssa_loop_prefetch): Ditto.
2747 (tree_ssa_loop_ivopts): Ditto.
2748 (tree_ssa_loop_done): Ditto.
2749 * gcc/predict.c (tree_estimate_probability): Ditto.
2750 * gcc/recog.c (split_all_insns_noflow): Ditto.
2751 (rest_of_handle_peephole2): Ditto.
2752 (rest_of_handle_split_all_insns): Ditto.
2753 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
2754 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
2755 (rest_of_handle_stack_adjustments): Ditto.
2756 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
2757 * gcc/function.c (instantiate_virtual_regs): Ditto.
2758 (init_function_for_compilation): Ditto.
2759 (rest_of_handle_check_leaf_regs): Ditto.
2760 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
2761 (rest_of_handle_gcse): Ditto.
2762 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
2763 * gcc/alias.c (rest_of_handle_cfg): Ditto.
2764 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
2765 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
2766 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
2767 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
2768 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
2769 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
2770 * gcc/except.c (set_nothrow_function_flags): Ditto.
2771 (convert_to_eh_region_ranges): Ditto.
2772 (rest_of_handle_eh): Ditto.
2773 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
2774 (remove_unnecessary_notes): Ditto.
2775 * gcc/except.h (set_nothrow_function_flags): Ditto.
2776 (convert_to_eh_region_ranges): Ditto.
2777 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
2778 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
2779 * gcc/tree-ssa-pre.c (do_pre): Ditto.
2780 (execute_fre): Ditto.
2781 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
2782 (rest_of_handle_jump2): Ditto.
2783 * gcc/tree-sra.c (tree_sra): Ditto.
2784 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
2785 (execute_mudflap_function_decls): Ditto.
2786 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
2787 (do_store_copy_prop): Ditto.
2788 * gcc/ipa-prop.h (ipcp_driver): Ditto.
2789 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
2790 * gcc/tree-ssa-forwprop.c
2791 (tree_ssa_forward_propagate_single_use_vars): Ditto.
2792 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
2793 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
2794 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
2795 (execute_late_warn_uninitialized): Ditto.
2796 * gcc/rtl.h (cleanup_barriers): Ditto.
2797 (split_all_insns_noflow): Ditto.
2798 (purge_line_number_notes): Ditto.
2799 (unshare_all_rtl): Ditto.
2800 (remove_unnecessary_notes): Ditto.
2801 (recompute_reg_usage): Ditto.
2802 (variable_tracking_main): Ditto.
2803 * gcc/integrate.c (emit_initial_value_sets): Ditto.
2804 * gcc/integrate.h (emit_initial_value_sets): Ditto.
2805 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
2806 (execute_free_cfg_annotations): Ditto.
2807 (execute_fixup_cfg): Ditto.
2808 (execute_cleanup_cfg_pre_ipa): Ditto.
2809 (execute_cleanup_cfg_post_optimizing): Ditto.
2810 (execute_init_datastructures): Ditto.
2811 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
2812 * gcc/combine.c (rest_of_handle_combine): Ditto.
2813 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
2814 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
2815 (rest_of_handle_reorder_blocks): Ditto.
2816 (rest_of_handle_partition_blocks): Ditto.
2817 * gcc/var-tracking.c (variable_tracking_main): Ditto.
2818 * gcc/tree-profile.c (tree_profiling): Ditto.
2819 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
2820 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
2821 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
2822 (rest_of_handle_sched2): Ditto.
2823 * gcc/basic-block.h (free_bb_insn): Ditto.
2824 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
2825 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
2826 (remove_useless_stmts): Ditto.
2827 (split_critical_edges): Ditto.
2828 (execute_warn_function_return): Ditto.
2829 (execute_warn_function_noreturn): Ditto.
2830 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
2831 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
2832 * gcc/passes.c (execute_one_pass): Run additional
2833 todos returned by execute function.
2834 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
2837 2006-03-02 Richard Guenther <rguenther@suse.de>
2839 * tree-ssa-alias.c (find_used_portions): Consider taking
2840 the address as making the variable not write-only.
2842 2006-03-02 Nick Clifton <nickc@redhat.com>
2844 * config.gcc (default_use_cxa_atexit): Extend the description of
2845 this configure variable. Set its default value to "yes" for
2846 Linux, NetBSD and ELF targets on the assumption that they will
2847 use C libraries with the __cxa_atexit function.
2849 2006-03-02 Ben Elliston <bje@au.ibm.com>
2851 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
2852 parameter as unused to suppress a build warning.
2854 2006-03-02 Ben Elliston <bje@au.ibm.com>
2856 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
2859 2006-03-01 Roger Sayle <roger@eyesopen.com>
2862 * gthr-posix.h (__gthrw2): Define to take three parameters, the
2863 declared name, the weak reference name, and the typeof name.
2864 (__gthrw): Avoid expanding the declared name suffix.
2865 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
2867 2006-03-01 Jakub Jelinek <jakub@redhat.com>
2869 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
2871 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
2872 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
2873 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
2874 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
2875 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
2876 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
2877 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
2878 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
2879 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
2880 DW_DS_leading_separate, DW_DS_trailing_separate): New.
2881 (DW_END_default, DW_END_big, DW_END_little): New.
2882 (DW_END_lo_user, DW_END_hi_user): Define.
2883 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
2884 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
2885 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
2888 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2890 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
2892 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
2894 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
2896 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
2898 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
2899 to 'symbol_mem_tag'.
2901 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
2904 2006-03-01 Roger Sayle <roger@eyesopen.com>
2906 * builtins.c (fold_builtin_copysign): Delete unreachable code.
2908 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2911 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
2912 MACHO_DYNAMIC_NO_PIC_P.
2913 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
2915 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2918 * config/darwin-protos.h (darwin_asm_output_anchor):
2920 * config/darwin-sections.def (cstring_section):
2921 Add SECTION_MERGE to the flags.
2922 (literal4_section): Likewise.
2923 (literal8_section): Likewise.
2924 (objc_selector_refs_section): Likewise.
2925 (objc_cls_refs_section): Likewise.
2926 * config/darwin.c (darwin_asm_output_anchor): New
2928 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2930 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
2932 Fix PR tree-optimization/26443
2933 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
2934 to todo and PROP_tmt_usage to properties_destroyed.
2935 * tree-ssa-ccp.c (pass_ccp): Ditto.
2936 (pass_store_ccp): Ditto.
2937 * tree-ssa-dom.c (pass_dominator): Ditto.
2939 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2941 * tree-ssa-operands.c: Cleanup whitespace.
2942 (get_asm_expr_operands): Move before first invocation.
2943 (get_indirect_ref_operands): Likewise.
2944 (get_tmr_operands): Likewise.
2945 (get_call_expr_operands): Likewise.
2946 (append_def): Likewise.
2947 (append_use): Likewise.
2948 (append_v_may_def): Likewise.
2949 (append_v_must_def): Likewise.
2950 (add_call_clobber_ops): Likewise.
2951 (add_call_read_ops): Likewise.
2952 (add_stmt_operand): Likewise.
2953 (add_virtual_operand): Likewise.
2954 (build_ssa_operands): Likewise.
2956 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2961 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2962 with a call expr to ...
2963 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2965 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2967 * tree-vrp.c (extract_range_from_assert): Remove special
2968 handling for types with super-types.
2970 2006-03-01 Ben Elliston <bje@au.ibm.com>
2972 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
2973 and powerpc64-*-linux* configurations.
2974 * config/t-dfprules: New file.
2976 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
2977 Compile dfp-bit.c from the source directory using -DWIDTH and
2978 $DFP_CFLAGS to control the compilation of that file, rather than
2979 generating width-specific versions in the build directory.
2980 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
2981 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
2983 2006-02-28 Zack Weinberg <zackw@panix.com>
2985 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
2988 2006-02-28 Eric Christopher <echristo@apple.com>
2990 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
2991 Set up IN_LIBGCC definition of TARGET_64BIT.
2992 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
2994 2006-02-28 Roger Sayle <roger@eyesopen.com>
2997 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
2998 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
2999 cases via the construction of "expr != 0".
3001 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3003 * alias.c (alias_invariant, alias_invariant_size): Remove.
3004 (record_base_value): Remove.
3005 (memrefs_conflict_p): Don't look at alias_invariant.
3006 (end_alias_analysis): Don't free it.
3007 * alias.h (record_base_value): Remove prototype.
3009 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3010 Adam Nemet <anemet@caviumnetworks.com>
3012 * rtl.h (truncated_to_mode): Declare it.
3013 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3014 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3015 (RTL_HOOKS_INITIALIZER): Include it.
3016 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3017 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3018 reg_truncated_to_mode.
3019 * rtlanal.c (truncated_to_mode): Define it.
3020 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3022 2006-02-28 Jeff Law <law@redhat.com>
3024 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3025 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3026 the range allowed by TYPE_PRECISION.
3028 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3030 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3032 PR tree-optimization/26419
3033 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3036 2006-02-27 Zack Weinberg <zackw@panix.com>
3038 * doc/md.texi: Fix typo in previous change.
3040 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3044 2006-02-27 Zack Weinberg <zackw@panix.com>
3046 * rtl.def (define_constraint, define_register_constraint)
3047 (define_memory_constraint, define_address_constraint): New MD forms.
3048 * gensupport.c (process_rtx): Put define_constraint etc on the
3050 * genpreds.c (process_define_predicate): Adjust comment. Validate
3051 the name, and call validate_exp to validate the expression.
3052 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3053 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3054 all callers changed.
3055 (validate_exp, needs_variable, struct constraint_data)
3056 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3057 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3058 (const_dbl_constraints, constraint_max_namelen)
3059 (have_register_constraints, have_memory_constraints)
3060 (have_address_constraints, have_address_constraints)
3061 (have_extra_constraints, have_const_int_constraints)
3062 (have_const_dbl_constraints, mangle, add_constraint)
3063 (process_define_constraint, process_define_register_constraint)
3064 (write_enum_constraint_num, write_lookup_constraint)
3065 (write_insn_constraint_len, write_regclass_for_constraint)
3066 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3067 (write_insn_extra_memory_constraint)
3068 (write_insn_extra_address_constraint)
3069 (write_satisfies_constraint_fns): New.
3070 (write_tm_preds_h): If we have new-style constraint definitions,
3071 prototype the functions generated from them, and define the
3072 old constraint interface (still used by generic code) in terms of
3074 (write_insn_preds_c): If we have new-style constraint definitions,
3075 generate all relevant functions from those definitions.
3076 (main): Handle define_constraint etc.
3077 * genoutput.c (struct constraint_data, indep_constraints)
3078 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3079 (mdep_constraint_len): New data structures and functions, defined
3080 #ifdef USE_MD_CONSTRAINTS.
3081 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3082 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3083 use new logic to validate operand constraints against constraint
3085 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3087 * defaults.h: If none of the old-style constraint macros are
3088 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3089 old-style macros; and poison REG_CLASS_FROM_LETTER,
3090 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3092 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3093 * doc/md.texi: Document new constraint-definition mechanism and the
3094 C interface it provides. Remove references to old mechanism
3095 elsewhere in the document.
3096 (Machine Constraints): Use pathnames relative to gcc directory,
3097 i.e. config/ARCH/FILE. Change i386 section to refer to
3098 config/i386/predicates.md; update that section to match docstrings.
3099 * doc/tm.texi: Move all documentation of the old constraint-
3100 definition macros to their own section, clearly mark as obsolete.
3102 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3103 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3105 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3106 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3107 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3109 (splits and peepholes): Use satisfies_constraint_*.
3110 * config/i386/i386.c (memory_address_length)
3111 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3113 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3115 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3116 scalar operation to be put back into the loop.
3118 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3121 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3122 (extract_cie_info): Handle S flag in augmentation string.
3123 (execute_cfa_program): If context->signal_frame, execute also
3124 fs->pc == context->ra instructions.
3125 (uw_frame_state_for): If context->signal_frame, don't subtract one
3126 from context->ra to find FDE.
3127 (uw_update_context_1): Set context->signal_frame to
3129 (_Unwind_GetIPInfo): New function.
3130 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3131 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3133 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3134 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3135 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3136 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3137 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3138 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3139 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3140 x86_64_fallback_frame_state): Set fs->signal_frame.
3141 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3142 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3143 (frob_update_context): Likewise. Workaround missing S flag in
3144 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3145 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3146 Remove the psw_addr + 1 hack.
3148 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3150 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3151 with aggregates here.
3152 (find_func_aliases): Remove code for &<aggregate> from here.
3154 2006-02-26 Roger Sayle <roger@eyesopen.com>
3156 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3157 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3158 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3161 2006-02-26 Roger Sayle <roger@eyesopen.com>
3164 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3166 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3168 * opts.c (decode_options): Do not handle flag_strength_reduce.
3169 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3170 and OPT_fstrength_reduce.
3171 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3172 flag_prefetch_loop_arrays for being nonzero.
3173 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3175 (fprefetch-loop-arrays-rtl): Removed.
3176 (flag_prefetch_loop_arrays): Do not specify the value.
3178 * doc/passes.texi: Update documentation of loop optimizer
3180 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3181 -frerun-loop-opt): Remove.
3183 2006-02-26 Richard Guenther <rguenther@suse.de>
3185 PR tree-optimization/26421
3186 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3187 in function calls that are ADDR_EXPRs as using the whole structure.
3189 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3191 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3192 * tree-pass.h (pass_loop_optimize): Remove.
3193 * passes.c (pass_loop_optimize): Never run it.
3194 * toplev.c (backend_init): Don't call init_loop.
3195 * opts.c (flag_loop_optimize_set): Remove.
3196 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3197 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3198 the old RTL loop optimizer when profiling enabled.
3199 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3200 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3201 pre-headers for the sake of the old RTL loop optimizer.
3202 * Makefile.in: Remove all references to loop.o.
3204 * doc/invoke.texi: Remove all references to -floop-optimize
3205 and -frerun-loop-opt.
3207 2006-02-26 Zack Weinberg <zackw@panix.com>
3209 * doc/md.texi (Machine Constraints): Refer to all files with paths
3210 relative to gcc directory (i.e. config/CPU/file). Add missing
3211 @table @code ... @end table to M32C subsection.
3213 2006-02-26 Roger Sayle <roger@eyesopen.com>
3215 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3217 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3219 2006-02-26 Roger Sayle <roger@eyesopen.com>
3220 James A. Morrison <phython@gcc.gnu.org>
3223 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3224 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3225 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3226 signedness of the shift operation.
3228 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3230 PR tree-optimization/26359
3231 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3233 2006-02-25 Roger Sayle <roger@eyesopen.com>
3235 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3236 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3237 as X == 0, and some symmetry related transformations.
3238 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3240 2006-02-25 Roger Sayle <roger@eyesopen.com>
3243 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3244 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3245 symmetry related transformations. Fold (X^C1) == C2 as
3248 2006-02-25 Juergen Weigert <jw@suse.de>
3249 Richard Guenther <rguenther@suse.de>
3251 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3253 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3255 * combine.c (gen_lowpart_or_truncate): Call
3256 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3258 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3260 * doc/invoke.texi: Move -fopenmp description to "Options for
3262 Remove reference to -lgomp.
3264 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3266 * doc/install.texi: Require GNU tar version 1.14.
3268 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3270 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3271 * doc/invoke.texi (C++ Dialect Options): Document
3272 -fno-use-cxa-get-exception-ptr.
3273 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3274 * configure: Regenerate.
3275 * c.opt (fuse-cxa-get-exception-ptr): New.
3276 * c-opts.c (c_common_handle_option): Handle
3277 OPT_fuse_cxa_get_exception_ptr.
3278 * c-common.c (flag_use_cxa_atexit): Update documentation.
3279 (flag_use_cxa_get_exception_ptr): New.
3280 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3281 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3283 (C_COMMON_OVERRIDE_OPTIONS): New.
3285 2006-02-24 Roger Sayle <roger@eyesopen.com>
3288 * combine.c (try_combine): Explicitly check whether GET_CODE is
3289 a SET or a CLOBBER, instead on checking that it isn't a USE.
3291 2006-02-24 Roger Sayle <roger@eyesopen.com>
3293 * fold-const.c (fold_comparison): New subroutine of fold_binary
3294 containing transformations common to both the equality and
3295 ordering relational operators, factored out of fold_binary.
3296 (fold_binary): Separate out the equality operators (EQ_EXPR
3297 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3298 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3299 transformations common to both.
3300 (fold_div_compare): Fix latent bugs in the previously unreachable
3301 LT_EXPR and GE_EXPR cases.
3303 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3305 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3306 decl libname for clog to __clog on AIX.
3308 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3310 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3313 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3314 output traceback table for thunks. Localise rs6000_stack_info call.
3316 2006-02-23 Roger Sayle <roger@eyesopen.com>
3317 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3319 * gthr-posix.h (__gthrw): Fix typo in comment.
3321 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3323 * doc/cpp.texi (Character sets): Document that we do support
3324 input files to be in any character set.
3326 2006-02-23 Jeff Law <law@redhat.com>
3328 * tree.h (PHI_ARG_NONZERO): Remove.
3329 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3330 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3331 node to the new node.
3333 PR tree-optimization/26425
3334 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3335 min/max, then assume its varying.
3337 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3339 PR rtl-optimization/26316
3340 * rtlanal.c (enum may_trap_p_flags): New.
3341 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3342 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3343 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3344 (may_trap_after_code_motion_p): New function.
3345 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3346 (find_invariant_insn): Use may_trap_after_code_motion_p.
3347 * rtl.h (may_trap_after_code_motion_p): Declare.
3349 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3351 * emit-rtl.c (immed_double_const): Cleanup.
3353 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3355 Fix PR tree-optimization/26376
3356 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3359 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3362 * gimplify.c (omp_add_variable): Guard variable size decl test with
3363 DECL_SIZE (decl) check.
3365 2006-02-23 Richard Guenther <rguenther@suse.de>
3368 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3369 like aggregate types.
3371 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3373 * configure.ac: Add --with{,out}-long-double-128 configure option.
3374 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3375 * configure: Rebuilt.
3376 * config.in: Rebuilt.
3377 * doc/install.texi (Options specification): Document
3378 --with-long-double-128.
3380 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3381 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3382 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3383 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3385 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3387 * config/s390/s390.c (override_options): Handle
3388 TARGET_DEFAULT_LONG_DOUBLE_128.
3390 * config/alpha/alpha.c (override_options): Handle
3391 TARGET_DEFAULT_LONG_DOUBLE_128.
3393 * config/sparc/sparc.c (sparc_override_options): Handle
3394 TARGET_DEFAULT_LONG_DOUBLE_128.
3396 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3398 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3399 (real-install-headers-tar, real-install-headers-cpio)
3400 (real-install-headers-cp): New targets.
3402 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3404 * tree.h (variable_section): Delete.
3405 * varasm.c (variable_section): Delete.
3407 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3409 * install.texi: Add notes on install.texi2html.
3410 (Building in parallel): Do not use footnotes.
3412 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3415 * doc/install.texi (Configuration): Document --disable-libgomp.
3417 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3419 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3421 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3423 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3424 (vec_extractv2df_0_sse): New.
3426 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3428 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3429 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3430 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3431 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3432 to the result of the expression.
3433 (def_cfa_1): Adjust.
3434 (frame_pointer_cfa_offset): Rename to...
3435 (frame_pointer_fb_offset): ... this. Adjust all uses.
3436 (convert_cfa_to_loc_list): Rename to...
3437 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3438 Pass it on to build_cfa_loc.
3439 (compute_frame_pointer_to_cfa_displacement): Rename to...
3440 (compute_frame_pointer_to_fb_displacement): ... this. New
3441 offset parameter. Use it in computation.
3442 (gen_subprogram_die): Compute cfa_fb_offset with the new
3443 macro, and use it to compute the fb loc list and the
3446 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3448 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3449 replaced with register_operand.
3450 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3451 non-DREG is expensive.
3452 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3453 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3456 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3458 * doc/install.texi2html: Use set -e.
3460 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3462 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3463 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3464 * doc/invoke.texi (-fshared-data): Delete.
3465 * common.opt (fshared-data): Delete.
3466 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3467 (assemble_static_space): Remove #if 0 code.
3468 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3469 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3470 * config/cris/cris.h: Remove FIXME.
3472 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3474 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3477 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3480 * combine.c (simplify_shift_const_1): Disable nested shifts
3481 optimization for vector shifts.
3483 2006-02-20 Roger Sayle <roger@eyesopen.com>
3485 PR tree-optimization/26361
3486 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3487 of unsigned integer types.
3489 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3491 * tree-chrec.c (eq_evolutions_p): New.
3492 * tree-chrec.h (eq_evolutions_p): Declared.
3493 * tree-data-ref.c: Fix formatting.
3494 (datadep_stats, dependence_stats): New.
3496 (print_direction_vector): New.
3497 (dump_data_dependence_relation): Use print_direction_vector.
3498 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3499 (compute_subscript_distance): Static.
3500 (initialize_data_dependence_relation): Static. Get the number
3501 of loops surrounding the references from the callers, and initialize
3502 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3503 base_object_differ_p analyzers.
3504 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3505 compute_overlap_steps_for_affine_1_2,
3506 analyze_subscript_affine_affine): Count the classified dependences.
3507 Print a message when a test failed.
3508 (can_use_analyze_subscript_affine_affine): New.
3509 (analyze_siv_subscript): Compute the data dependences on symbolic
3510 scevs that verify can_use_analyze_subscript_affine_affine.
3511 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3512 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3513 Handle symbolic scevs.
3514 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3516 (subscript_dependence_tester): Moved...
3517 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3518 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3519 DDR_SIZE_VECT instead of getting it in parameter.
3520 (subscript_dependence_tester): ... here. Take as a parameter
3521 loop_nest_depth. Call build_classic_dist_vector and
3522 build_classic_dir_vector.
3523 (compute_affine_dependence): Update subscript_dependence_tester
3524 parameters. Update datadep_stats counters. Call
3525 compute_subscript_distance.
3526 (compute_self_dependence): Save the dist and dir vectors. Call
3527 compute_subscript_distance.
3528 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3529 (compute_all_dependences): Reorder parameters as they were before
3530 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3531 compute_subscript_distance. Update the use of
3532 compute_affine_dependence and initialize_data_dependence_relation.
3533 (find_data_references_in_loop): Handle COMPONENT_REF.
3534 (compute_data_dependences_for_loop): Initialize dependence_stats.
3535 Don't call build_classic_dist_vector and build_classic_dir_vector.
3536 Update the parameters of initialize_data_dependence_relation and
3537 compute_all_dependences. Print the statistics from datadep_stats.
3538 (analyze_all_data_dependences): Static. Not used until the pass for
3539 checking the data dependences is contributed.
3540 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3541 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3542 (initialize_data_dependence_relation, compute_affine_dependence,
3543 analyze_all_data_dependences, compute_subscript_distance): Removed.
3544 (print_direction_vector): New.
3545 * lambda.h (gcd): ... here.
3546 (lambda_vector_gcd): Moved here from gcd_vector.
3547 * lambda-code.c (gcd, gcd_vector): Removed.
3548 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3549 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3551 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3553 * ipa-type-escape.c: Tidy some comments and white space.
3554 * tree-ssa-operands.c: Likewise.
3556 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3559 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3560 (dump_decl_name): Do not walk the decl tree chains.
3561 * tree-pass.h (TDF_CHAIN): Remove.
3563 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3565 * Makefile.in (C): Remove
3567 (.PHONY): Remove C and PROTO
3569 2006-02-20 Roger Sayle <roger@eyesopen.com>
3572 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3573 deprecated CHAR_TYPE tree code.
3575 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3577 * configure.ac (target_list): Add install-info, dvi, html.
3578 * configure: Regenerate.
3580 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3581 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3582 treelang/Make-lang.in: Do not use double-colon rules.
3584 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3586 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3587 (TMT_USED_ALONE): New macro.
3588 * tree-pass.h (PROP_tmt_usage): New property.
3589 (TODO_update_tmt_usage): New todo.
3590 * tree-ssa-alias.c (updating_used_alone): New variable.
3591 (recalculate_used_alone): New function.
3592 (compute_may_aliases): Set updating_used_alone, call
3593 recalculate_used_alone.
3594 * tree-sra.c (pass_sra): Note that this pass destroys
3595 PROP_tmt_usage, and add TODO_update_tmt_usage.
3596 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3597 * tree-flow.h (updating_used_alone): Prototype.
3598 (recalculate_used_alone): Ditto.
3599 * passes.c (execute_todo): Add code to set updating_used_alone,
3600 and call recalculate.
3601 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3602 for clobber if used alone, and add assert to verify used_alone
3605 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3607 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3608 for non tls symbols added.
3609 (legitimize_address): Do nothing for PLUS expressions if one of the
3610 addends is a tls symbol reference.
3612 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3616 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3618 * Makefile.in (BOOTSTRAPPING): New.
3619 (quickstrap): New definition if BOOTSTRAPPING=yes.
3621 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3622 * configure.ac: Substitute all_selected_languages with the languages
3623 that were configured. For all the other variables except
3624 lang_specs_files, include all the languages in the tree.
3625 * configure: Regenerate.
3627 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3628 if there is one. Run the commands to run fixincludes in the same
3631 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
3632 * doc/install.texi: Document exact conventions for searching target tools.
3633 Document --with-build-time-tools. Document toplevel bootstrap. Document
3634 something more about building an Ada cross-compiler. Don't list GNU Make
3635 requirements which affect all platforms.
3637 2006-02-19 Roger Sayle <roger@eyesopen.com>
3640 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
3641 only equivalent if the have both the same mode and precision.
3643 2006-02-20 Ben Elliston <bje@au.ibm.com>
3645 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
3647 2006-02-19 Roger Sayle <roger@eyesopen.com>
3648 Steven Bosscher <stevenb.gcc@gmail.com>
3650 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
3651 constant pool references to identify stack mode constants.
3652 * rtlanal.c (constant_pool_constant_p): New predicate to check
3653 whether operand is a floating point constant in the pool.
3654 * rtl.h (constant_pool_constant_p): Prototype here.
3655 * loop.c (scan_loop): Avoid hoisting constants from the constant
3656 pool on STACK_REGS targets.
3657 (load_mems): Likewise.
3658 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
3659 loads into x87 registers expensive in terms of register pressure.
3661 2006-02-19 Roger Sayle <roger@eyesopen.com>
3663 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
3664 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
3666 2006-02-19 David Edelsohn <edelsohn@gnu.org>
3668 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3669 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
3671 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
3673 * doc/invoke.texi: Document -fipa-pta.
3674 * common.opt: Add ipa-pta option.
3675 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
3676 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
3677 (do_ds_constraint): Ditto.
3678 (get_constraint_for): Only add to referenced_vars if
3679 referenced_vars exists.
3680 (insert_into_field_list): Rewrite to do this unsorted.
3681 (insert_into_field_list_sorted): Rename old insert_into_field_list
3683 (create_function_info_for): Use insert_into_field_list_sorted.
3684 (create_variable_info_for): Rewrite so it uses unsorted version,
3685 since the field list is sorted.
3686 (intra_create_variable_infos): Only add to referenced_vars if
3687 referenced_vars exists.
3688 (ipa_pta_execute): Init heapvars, and delete when done.
3689 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
3691 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3693 * doc/install.texi: Add missing `@samp'.
3695 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3697 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
3700 2006-02-18 Mark Wielaard <mark@klomp.org>
3702 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
3703 who added new 4.1 features, bug fixes and integration support.
3705 2006-02-18 David Edelsohn <edelsohn@gnu.org>
3708 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
3711 2006-02-18 Richard Sandiford <richard@codesourcery.com>
3713 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
3714 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
3715 (copy_insn_1): Likewise. Don't copy each field individually.
3717 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
3719 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
3720 * rtl.c (rtx_size): Rename variable to...
3721 (rtx_code_size): ...this.
3722 (rtx_size): New function.
3723 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
3724 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
3726 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
3727 * rtl.h (rtx_code_size): New variable.
3728 (rtx_size): Change from a variable to a function.
3729 (RTX_SIZE): Rename to...
3730 (RTX_CODE_SIZE): ...this.
3733 PR tree-optimization/17106
3734 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
3735 (Anchored Addresses): New section.
3736 * doc/invoke.texi (-fsection-anchors): Document.
3737 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
3738 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
3739 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
3740 * hooks.c (hook_bool_mode_rtx_false): New function.
3741 * hooks.h (hook_bool_mode_rtx_false): Declare.
3742 * gengtype.c (create_optional_field): New function.
3743 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
3744 SYMBOL_REF_IN_BLOCK_P is true.
3745 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
3746 (min_anchor_offset, max_anchor_offset): Likewise.
3747 (use_anchors_for_symbol_p): New hook.
3748 * toplev.c (compile_file): Call output_object_blocks.
3749 (target_supports_section_anchors_p): New function.
3750 (process_options): Check that -fsection-anchors is only used on
3751 targets that support it and when -funit-at-a-time is in effect.
3752 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
3753 if the decl doesn't have one.
3754 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
3755 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
3756 of force_const_mem through use_anchored_address.
3757 (expand_expr_constant): New function.
3758 (expand_expr_addr_expr_1): Call it. Use the same modifier when
3759 calling expand_expr for INDIRECT_REF.
3760 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
3761 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
3762 * expr.h (use_anchored_address): Declare.
3763 * loop-unroll.c: Don't declare rtx vectors here.
3764 * explow.c: Include output.h.
3765 (validize_mem): Call use_anchored_address.
3766 (use_anchored_address): New function.
3767 * common.opt (-fsection-anchors): New switch.
3768 * varasm.c (object_block_htab, anchor_labelno): New variables.
3769 (hash_section, object_block_entry_eq, object_block_entry_hash)
3770 (use_object_blocks_p, get_block_for_section, create_block_symbol)
3771 (use_blocks_for_decl_p, change_symbol_section): New functions.
3772 (get_variable_section): New function, split out from assemble_variable.
3773 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
3774 use_blocks_for_decl_p say so. Use change_symbol_section if the
3775 symbol has already been created.
3776 (assemble_variable_contents): New function, split out from...
3777 (assemble_variable): ...here. Don't output any code for
3778 block symbols; just pass them to place_block_symbol.
3779 Use get_variable_section and assemble_variable_contents.
3780 (get_constant_alignment, get_constant_section, get_constant_size): New
3781 functions, split from output_constant_def_contents.
3782 (build_constant_desc): Create a block symbol if use_object_blocks_p
3783 says so. Or into SYMBOL_REF_FLAGS.
3784 (assemble_constant_contents): New function, split from...
3785 (output_constant_def_contents): ...here. Don't output any code
3786 for block symbols; just pass them to place_section_symbol.
3787 Use get_constant_section and get_constant_alignment.
3788 (force_const_mem): Create a block symbol if use_object_blocks_p and
3789 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
3790 (output_constant_pool_1): Add an explicit alignment argument.
3791 Don't switch sections here.
3792 (output_constant_pool): Adjust call to output_constant_pool_1.
3793 Switch sections here instead. Don't output anything for block symbols;
3794 just pass them to place_block_symbol.
3795 (init_varasm_once): Initialize object_block_htab.
3796 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
3797 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
3798 (place_block_symbol, get_section_anchor, output_object_block)
3799 (output_object_block_htab, output_object_blocks): New functions.
3800 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
3801 (TARGET_ASM_OUT): Include it.
3802 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
3803 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
3804 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
3805 (TARGET_INITIALIZER): Include them.
3806 * rtl.c (rtl_check_failed_block_symbol): New function.
3807 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
3808 (block_symbol, object_block): New structures.
3809 (rtx_def): Add a block_symbol field to the union.
3810 (BLOCK_SYMBOL_CHECK): New macro.
3811 (rtl_check_failed_block_symbol): Declare.
3812 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
3813 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
3814 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
3815 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
3816 * output.h (output_section_symbols): Declare.
3817 (object_block): Name structure.
3818 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
3819 (default_use_anchors_for_symbol_p): Declare.
3820 * Makefile.in (RTL_BASE_H): Add vec.h.
3821 (explow.o): Depend on output.h.
3822 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
3823 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3824 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3825 (rs6000_use_blocks_for_constant_p): New function.
3827 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3829 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
3831 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3834 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
3837 2006-02-18 Diego Novillo <dnovillo@redhat.com>
3839 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
3843 2006-02-18 Jakub Jelinek <jakub@redhat.com>
3846 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
3847 instead of DECL_REGISTER.
3849 2006-02-18 Olivier Hainque <hainque@adacore.com>
3852 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
3854 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
3857 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
3858 * opth-gen.awk: Handle Var and InverseMask together.
3859 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
3860 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
3861 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
3862 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
3864 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3865 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3866 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
3867 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3868 LINUX_DYNAMIC_LINKER): Define.
3869 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
3870 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
3872 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3873 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
3874 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3875 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3876 (TARGET_C99_FUNCTIONS): Don't define.
3877 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
3878 GLIBC_DYNAMIC_LINKER.
3879 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
3880 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
3881 GLIBC_DYNAMIC_LINKER64): Define.
3882 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3883 LINUX_DYNAMIC_LINKER64.
3884 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3885 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3886 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
3887 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3888 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3889 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3890 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
3891 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
3892 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
3893 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
3894 and LINUX_DYNAMIC_LINKER32.
3895 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3896 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3897 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
3898 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3899 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
3901 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
3902 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
3903 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3904 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3905 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3906 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
3907 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
3908 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
3909 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3910 LINUX_DYNAMIC_LINKER): Define.
3911 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
3912 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
3913 GLIBC_DYNAMIC_LINKER64): Define.
3914 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3915 LINUX_DYNAMIC_LINKER64.
3916 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3917 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3918 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
3919 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3920 LINUX_DYNAMIC_LINKER): Define.
3921 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3922 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3923 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
3924 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
3925 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
3926 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3927 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
3928 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
3929 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3930 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3931 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3932 * doc/invoke.texi (-muclibc): Remove caveat about supported
3935 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3937 * doc/cpp.texi (__TIMESTAMP__): Document.
3939 2006-02-17 Roger Sayle <roger@eyesopen.com>
3942 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
3943 C is one less than the width of X (and related transformations).
3944 * simplify-rtx.c (simplify_unary_operation_1): Transform
3945 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
3946 depending on STORE_FLAG_VALUE, were C is one less then the
3949 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
3951 Fix PR tree-optimization/26341
3952 * tree-ssa-operands.c (add_virtual_operand): Remove assert
3953 about NAME_MEMORY_TAG's.
3955 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3958 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
3959 with hardware float support, and software float support. Add fcpy
3960 alternative to hardware patterns. Add alternatives to copy between
3961 general and floating-point registers to the 32-bit pattern.
3962 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
3963 secondary reload to load a QI or HI mode constant into a floating
3965 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
3966 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
3968 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
3971 * config/rs6000/darwin.md (load_macho_picbase_si): Add
3973 (load_macho_picbase_di): Likewise.
3975 2006-02-16 Jeff Law <law@redhat.com>
3977 * tree-vrp.c (set_value_range_to_nonnegative): New function.
3978 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
3979 (ssa_name_nonzero_p): Likewise.
3980 (get_value_range): Return NULL if VRP is not running.
3981 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
3982 VRP routines do not discover a range.
3983 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
3984 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
3985 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
3986 (tree_expr_nonnegative_p): Similarly.
3987 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
3988 (restore_nonzero_vars_to_original_value): Remove.
3989 (unsafe_associative_fp_binop): Remove.
3990 (tree_ssa_dominator_optimize): Remove initialization and
3991 finalization of nonzero_vars and nonzero_vars_stack.
3992 (dom_opt_initialize_block): No longer push marker on
3994 (dom_opt_finalize_block): No longer call
3995 restore_nonzero_vars_to_original_value.
3996 (record_equivalences_from_phis): No longer look for
3997 nonzero PHI arguments.
3998 (cprop_into_successor_phis): No longer propagate nonzero
3999 property into PHI arguments. Lose unused argument. Caller
4001 (record_equivalences_from_stmt): No longer record nonzero
4002 values for SSA_NAMEs.
4003 (lookup_avail_expr): No longer use nonzero_vars.
4005 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4006 for sizetype when sizetype is unsigned.
4008 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4010 PR rtl-optimization/25603
4011 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4012 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4013 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4014 with new meaning of SETS.
4016 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4021 * config/linux.opt: New file.
4022 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4023 LINUX_DYNAMIC_LINKER): Define.
4024 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4025 * config.gcc (*-*-linux*): Define extra_options.
4026 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4027 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4028 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4029 GLIBC_DYNAMIC_LINKER.
4030 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4031 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4032 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4033 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4034 * doc/invoke.texi (GNU/Linux Options): New section.
4036 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4038 * config/sparc/sparc.md (setjmp): Rewrite.
4039 (setjmp_32): Delete.
4040 (setjmp_64): Likewise.
4042 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4044 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4047 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4049 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4052 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4054 PR rtl-optimization/26296
4055 * Makefile.in (loop-invariant.c): Add except.h dependency.
4056 * loop-invariant.c: Include except.h.
4057 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4059 2005-02-16 Paul Brook <paul@codesourcery.com>
4061 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4064 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4066 PR rtl-optimization/25636
4067 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4068 when deciding whether an insn is an initializing insn.
4070 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4072 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4073 (tree_code_size): Ditto.
4074 * tree.h (struct tree_memory_tag): Remove parent_var.
4075 (struct tree_struct_field_tag): New.
4078 (union tree_node): Add sft member.
4079 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4081 (create_sft): Add size and offset argument, set SFT_OFFSET and
4083 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4084 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4085 * tree-flow-inline.h (get_subvar_at): Update for
4086 SFT_OFFSET/SFT_SIZE.
4087 (var_can_have_subvars): Ditto.
4088 (overlap_subvar): Ditto.
4089 * print-tree.c (print_node): Print out interesting things for
4091 * tree-flow.h (struct subvar): Remove offset and size members.
4092 * tree-ssa-operands.c (get_expr_operands): Update for
4093 get_indirect_ref_operands changes.
4094 (get_indirect_ref_operands): Call add_virtual_operand instead of
4095 add_stmt_operand. Only recurse on base var if requested.
4096 (access_can_touch_variable): New function.
4097 (add_stmt_operand): Split virtual operand handling into ...
4098 (add_virtual_operand): Here. Add offset, size, and for_clobber
4099 arguments. Prune alias sets.
4100 (add_call_clobber_ops): Call add_virtual_operand.
4102 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4105 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4107 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4108 than TREE_CODE as index into omp_clause_num_ops array.
4110 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4112 PR rtl-optimization/26184
4113 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4115 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4116 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4117 must_precede, must_follow and tobe_scheduled.
4120 * opts.c (common_handle_option): Free new_option pointer.
4121 * df-core.c (df_analyze): Free postorder pointer.
4123 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4125 * Makefile.in: Fix the examples about the use of stamps
4127 2006-02-15 Michael Matz <matz@suse.de>
4131 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4132 influenced by maximum_field_alignment or DECL_PACKED.
4133 (update_alignment_for_field): Ditto.
4134 (place_field): Ditto.
4135 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4138 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4140 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4141 (debug_flow_info): Pass it.
4142 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4143 * bb-reorder.c (reorder_basic_blocks): Likewise.
4144 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4145 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4146 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4147 * gcse.c (gcse_main, bypass_jumps): Likewise.
4148 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4149 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4150 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4151 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4152 * rtl.h (dump_flow_info): Adjust prototype.
4153 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4154 * var-tracking.c (variable_tracking_main): Likewise.
4155 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4156 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4159 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4161 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4164 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4166 PR tree-optimization/26209
4167 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4168 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4170 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4172 2006-02-14 Roger Sayle <roger@eyesopen.com>
4175 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4176 (X,Y) and the corresponding symmetry related transformations.
4177 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4178 (X,Y) and its symmetry related transformations.
4180 2006-02-14 Roger Sayle <roger@eyesopen.com>
4182 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4185 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4187 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4189 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4192 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4193 support COMDAT group.
4194 * configure: Regenerate.
4196 2006-02-14 Roger Sayle <roger@eyesopen.com>
4201 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4203 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4205 Fix PR tree-optimization/26260
4207 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4209 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4210 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4211 * tree-ssa-structalias.c (create_variable_info_for): Use
4212 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4214 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4216 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4218 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4219 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4220 of the ending condition.
4221 * tree-ssa-loop-manip.c: Include params.h.
4222 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4223 tree_unroll_loop): New functions.
4224 * tree-pass.h (pass_loop_prefetch): Declare.
4225 * loop.c (rest_of_handle_loop_optimize): Test for
4226 -fprefetch-loop-arrays-rtl.
4227 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4228 * timevar.def (TV_TREE_PREFETCH): New timevar.
4229 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4230 pass_loop_prefetch): New.
4231 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4232 (cleanup_tree_cfg_loop): Call scev_reset.
4233 * common.opt (fprefetch-loop-arrays-rtl): Add.
4234 * tree-ssa-loop-prefetch.c: New file.
4235 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4236 (new_temp_expr_table): Initialize expr_vars.
4237 (free_temp_expr_table): Cleanup expr_vars.
4238 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4239 expressions from being merged into one.
4240 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4241 (struct tree_niter_desc): Add control, bound and cmp fields.
4242 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4244 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4245 (tree-cfgcleanup.o): Add SCEV_H dependency.
4246 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4247 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4249 2006-02-14 Richard Guenther <rguenther@suse.de>
4251 PR tree-optimization/26258
4252 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4253 in PHI argument processing.
4255 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4257 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4258 new expression in the requested machine mode.
4260 2006-02-13 Roger Sayle <roger@eyesopen.com>
4262 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4263 directly, instead let do_compare_rtx_and_jump handle this for us.
4264 * expr.c (expand_expr_real_1): Likewise.
4265 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4266 before do_jump_by_parts_greater.
4267 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4268 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4270 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4272 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4274 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4276 PR rtl-optimization/26235
4277 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4278 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4281 2006-02-13 Jeff Law <law@redhat.com>
4283 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4286 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4289 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4290 twice if decl is a builtin. When trying again, call get_callee_fndecl
4291 first to verify it is still a builtin.
4293 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4295 * dwarf2out.c (base_type_die): Don't add AT_name here.
4296 (subrange_type_die): Don't add AT_name here.
4297 (modified_type_die): Rearrange code flow. Do add AT_name here.
4299 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4301 PR rtl-optimization/26247
4302 PR rtl-optimization/26248
4303 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4305 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4307 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4308 * config/fixtfdi.c: Likewise.
4309 * config/fixunstfdi.c: Likewise.
4310 * config/floatditf.c: Likewise.
4312 2006-02-13 Roger Sayle <roger@eyesopen.com>
4315 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4316 into (X,C2) if C1 is a subset of the bits of C2. Transform
4317 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4319 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4321 2006-02-13 Josh Conner <jconner@apple.com>
4324 * varasm.c (function_section): Check for section name before
4325 calling select_section on targets that define
4326 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4327 unlikely_text_section instead of hot_function_section if
4328 first_function_block_is_cold.
4330 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4333 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4335 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4337 PR rtl-optimization/26222
4338 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4339 after tree->rtl expansion.
4340 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4341 before passing it to emit_move_insn.
4343 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4345 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4347 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4348 Clarify documentation.
4349 * c-common.h (warn_write_strings): Remove.
4350 * c-common.c (warn_write_strings): Likewise.
4351 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4354 2006-02-12 Roger Sayle <roger@eyesopen.com>
4357 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4358 (do_jump_parts_zero_rtx): New function renamed from
4359 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4360 (do_jump_parts_equality_rtx): New function split out from
4361 do_jump_parts_equality. Old implementation renamed as above.
4362 Call do_jump_parts_zero_rtx if either operand is zero.
4363 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4364 do all of the heavy lifting.
4365 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4366 calling either do_jump_by_parts_greater_rtx or
4367 do_jump_by_parts_equality_rtx.
4368 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4369 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4370 moved to do_compare_rtx_and_jump, call it directly.
4371 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4372 mode argument. Call do_compare_rtx_and_jump.
4373 (emit_case_nodes): Update calls to do_jump_if_equal.
4375 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4377 PR rtl-optimization/26225
4378 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4380 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4382 PR rtl-optimization/26232
4383 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4385 2006-02-11 Jason Merrill <jason@redhat.com>
4388 * tree-inline.c (declare_return_variable): Just don't use the
4389 modify target if it's a gimple complex reg and the return slot
4392 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4394 * doc/contrib.texi: Update my entry.
4396 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4398 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4400 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4402 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4405 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4407 * doc/invoke.texi (-floop-optimize2): Removed.
4408 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4409 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4410 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4411 * common.opt (floop-optimize2): Removed.
4412 (fmove-loop-invariants): Enabled by default.
4414 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4416 * tree-if-conv.c (combine_blocks): Free the result of
4417 get_loop_exit_edges.
4419 2006-02-10 Jeff Law <law@redhat.com>
4421 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4423 PR tree-optimization/26213
4424 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4425 loop trying to follow SSA_NAME_VALUE chains.
4427 2006-02-10 Richard Guenther <rguenther@suse.de>
4429 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4430 deal with structures that end in implicitly variable sized arrays.
4432 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4434 PR rtl-optimization/24762
4435 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4438 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4440 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4441 (struct ivopts_data): Add regs_used field.
4442 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4443 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4444 instead of loop_data->regs_used;
4445 (free_loop_data): Do not free aux fields for loops.
4446 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4447 and tree_ssa_iv_optimize_finalize.
4449 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4451 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4453 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4456 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4457 computing the effective result type.
4459 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4462 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4463 (tree_overlaps_hard_reg_set): Declare.
4464 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4465 type and signature to match function type expected by walk_tree.
4466 (tree_overlaps_hard_reg_set): New function.
4467 (decl_conflicts_with_clobbers_p): Rename to:
4468 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4469 Use tree_overlaps_hard_reg_set. Changed caller.
4470 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4471 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4472 * cris.c (cris_md_asm_clobbers): Likewise.
4474 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4476 * reload1.c (emit_input_reload_insns): Delete code that tries to
4477 inherit using find_equiv_reg.
4479 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4481 * c-common.h (flag_const_strings): Don't declare.
4482 * c-common.c (flag_const_strings): Remove.
4483 * c.opt (fconst_strings): Remove.
4484 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4485 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4486 (c_common_init_options): Don't set flag_const_strings.
4487 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4489 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4491 * arm.md (tlobits_cbranch): New pattern.
4492 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4493 testing a single bit.
4495 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4498 * tree-ssa-pre.c (create_component_ref_by_pieces):
4499 Handle RETURN_DECL like VAR_DECL.
4501 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4504 * fold-const.c (fold_indirect_ref_1): Fold
4505 "*(foo *)&complexfoo" to "__real__ complexfoo"
4506 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4508 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4510 * tree-flow-inline.h (var_can_have_subvars):
4511 Volatile variables should not have subvariables.
4513 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4516 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4517 multiplying unsigned values.
4520 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4522 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4524 2006-02-08 Jason Merrill <jason@redhat.com>
4527 * tree.def: Elaborate on difference from MODIFY_EXPR.
4528 * doc/c-tree.texi (INIT_EXPR): Likewise.
4529 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4530 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4531 (gimplify_target_expr): Likewise.
4532 (gimplify_cond_expr): Remove target handling.
4533 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4534 (gimplify_expr): Clobber it here.
4535 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4536 Do return slot optimization if we have an INIT_EXPR.
4539 * tree-inline.c (declare_return_variable): Also clear
4540 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4543 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4546 * gimplify.c (gimplify_one_sizepos): Fix typo.
4548 2006-02-08 Jeff Law <law@redhat.com>
4550 PR tree-optimization/21417
4551 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4552 across a backedge if the control statement at the end of the
4553 block is data dependent on other statements in the same block.
4554 (record_temporary_equivalences_from_stmts): Remove over-conservative
4555 test for threading across backedges.
4557 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4558 control statement, handle all three special cases in the same
4559 manner as they all have the same desired solution. No longer
4560 special case edge flag updating when the post dominator is
4563 2006-02-08 Roger Sayle <roger@eyesopen.com>
4565 * tree.def (CHAR_TYPE): Remove.
4566 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4567 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4568 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4569 (gen_string_type_die): Delete unreachable function.
4571 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4572 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4573 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4574 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4575 * builtins.c (type_to_class): Likewise.
4576 * fold-const.c (fold_convert, build_range_check,
4577 merge_ranges): Likewise.
4578 * expr.c (count_type_elements): Likewise.
4579 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4580 * stor-layout.c (layout_type): Likewise.
4581 * ipa-type-escape.c (type_to_consider): Likewise.
4582 * gimplify.c (omp_firstprivatize_type_sizes,
4583 gimplify_type_sizes): Likewise.
4584 * explow.c (promote_mode): Likewise.
4585 * tree-sra.c (is_sra_scalar_type): Likewise.
4586 * varasm.c (output_constant): Likewise.
4587 * tree-inline.c (remap_type_1): Likewise.
4588 * convert.c (convert_to_pointer, convert_to_real,
4589 convert_to_integer, convert_to_complex): Likewise.
4591 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4593 * df-scan.c (df_def_record_1): A set destination may
4594 be a parallel regardless of mode.
4596 2006-02-08 Roger Sayle <roger@eyesopen.com>
4599 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4600 * config/mips/_tilib.c: Remove.
4601 * config/fixtfdi.c: New libgcc source file.
4602 * config/fixunstfdi.c: New source file.
4603 * config/floatditf.c: New source file.
4604 * config/floatunditf.c: New souce file.
4605 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4606 files above instead of config/mips/_tilib.c.
4607 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4609 2006-02-08 Jeff Law <law@redhat.com>
4611 PR tree-optimization/26169
4612 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4615 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4617 * df.h (DF_REG_SIZE): Return the length of the initialized
4620 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4622 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4623 __muldf3): Return a correctly signed zero.
4625 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4627 * passes.c (register_one_dump_file): Accept the current properties
4628 instead of pass number. Adjust call to dump_register. Remove
4630 (register_dump_files): Now a wrapper around...
4631 (register_dump_files_1): ... this one. Do not modify the pass
4633 (next_pass_1): Cosmetic fix.
4634 (execute_todo): Keep second parameter only. Use curr_properties
4635 instead of fetching it from the pass structure. Check and set
4637 (execute_one_pass): Handle TODO_set_props. Use curr_properties
4638 instead of fetching it from the pass structure. Fix calls to
4639 execute_todo. Update curr_properties and initialize .vcg RTL dump
4640 after running the pass. Reset last_verified.
4641 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
4643 (FIRST_AUTO_NUMBERED_DUMP): New.
4644 (dump_register): Remove "num" parameter, assign it within the
4646 (get_dump_file_name): Modify template for dumps.
4647 * tree-dump.h (dump_register): Adjust prototype.
4648 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
4649 (PROP_trees): Add PROP_gimple_lomp.
4650 (TODO_set_props): New.
4651 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
4652 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
4653 * cfgexpand.c (pass_expand): Destroy PROP_trees.
4655 2006-02-08 Jakub Jelinek <jakub@redhat.com>
4657 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
4658 (sparc64-*-linux*): Likewise.
4659 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
4660 * config/sparc/t-linux: New file.
4661 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
4662 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
4663 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
4664 -m32 -mlong-double-128.
4666 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
4667 * config/alpha/t-linux: New file.
4668 * config/alpha/libgcc-alpha-ldbl.ver: New file.
4670 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
4671 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
4672 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
4673 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
4674 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
4675 (CPP_ARCH32_SPEC): Remove.
4677 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
4679 PR tree-optimization/26145
4680 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
4683 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4686 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
4687 >= 240000 when generating code for SOM runtime.
4688 (output_indirect_call): Don't use "b,l" instruction for indirect calls
4689 to $$dyncall when generating code for SOM runtime..
4691 2006-02-07 Dirk Mueller <dmueller@suse.com>
4694 * doc/invoke.texi (-Wsequence-point): Update documentation
4695 that -Wsequence-point is implemented for C++ as well.
4697 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4699 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
4700 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
4701 (LIB_SPEC): Likewise.
4702 * doc/invoke.texi (SPARC options): Document -pthread.
4704 2006-02-07 Geoffrey Keating <geoffk@apple.com>
4706 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
4709 2006-02-07 Roger Sayle <roger@eyesopen.com>
4711 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
4712 Correct comment describing BOOLEAN_TYPE.
4714 2006-02-07 Dirk Mueller <dmueller@suse.com>
4716 * c.opt: C++ frontend supports -Wdiv-by-zero.
4717 * c-opts.c (c_common_handle_option): Remove dead case.
4719 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4721 * configure.ac (TLS assembler check): Do not enable TLS by
4722 default on SPARC/Solaris before version 10.
4723 * configure: Regenerate.
4725 2006-02-07 David Edelsohn <edelsohn@gnu.org>
4727 * doc/invoke.texi (xl-compat): Document conversion and support
4730 2006-02-07 Jeff Law <law@redhat.com>
4732 * tree-vrp.c (find_conditional_asserts): Update comments.
4733 (simplify_stmt_for_jump_threading): New.
4734 (identify_jump_threads, finalize_jump_threads): New.
4735 (vrp_finalize): Call identify_jump_threads.
4736 (execute_vrp): Call finalize_jump_threads.
4737 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
4738 (vrp_element, vrp_data, vrp_element_p): Remove.
4739 (vrp_hash_elt, vrp_variables_stack): Remove.
4740 (vrp_hash, vrp_eq, record_range): Remove.
4741 (simplify_cond_and_lookup_avail_expr): Remove.
4742 (extract_range_from_cond): Remove.
4743 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
4744 (simplify_stmt_for_jump_threading): New.
4745 (dom_thread_across_edge): New wrapper.
4746 (tree_ssa_dominator_optimize): No longer initialize or
4747 finalize any of the VRP datastructures. Remove iteration
4748 step and simplify as a result of removal of iteration step.
4749 (pass_dominator): Perform a cfg cleanup after DOM.
4750 (dom_opt_finalize_block): Use the new common routines
4751 for threading jumps. Simplify stack management slightly.
4752 No longer need to unwind VRP state.
4753 (record_equivalences_from_incoming_edge): No longer record
4755 (eliminate_redundant_computations): No longer call
4756 simplify_cond_and_lookup_avail_expr.
4757 * tree-flow.h (potentially_threadable_block): Prototype.
4758 (thread_across_edge): Likewise.
4759 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
4760 (tree-ssa-threadedge.o): Add dependencies.
4761 * tree-ssa-threadedge.c: New file.
4762 * passes.c (init_optimization_passes): Merge PHIs before
4763 calling VRP. Run VRP again late in the SSA optimization pipeline.
4765 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4767 * df-core.c (df_set_blocks): Do not dereference function pointers.
4768 (df_finish1): Likewise.
4769 (df_hybrid_search_forward): Likewise.
4770 (df_hybrid_search_backward): Likewise.
4771 (df_iterative_dataflow): Likewise.
4772 (df_analyze_problem): Likewise.
4773 (df_compact_blocks): Likewise.
4774 (df_dump): Likewise.
4775 * df-scan.c (df_rescan_blocks): Likewise.
4776 (df_record_entry_block_defs): Likewise.
4778 * genconditions.c (write_conditions): Guard the definition of
4779 'insn_conditions' with the check on GCC version.
4780 (write_writer): Guard the traversal 'insn_conditions' with
4781 the check on GCC version.
4783 2006-02-07 Richard Guenther <rguenther@suse.de>
4787 2006-01-30 Richard Guenther <rguenther@suse.de>
4789 * gimplify.c (gimplify_target_expr): Handle easy cases
4790 without creating a temporary.
4792 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
4794 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
4795 use of float in probability computations. Use edge probabilities
4796 in place of statically computed probabilities.
4797 (min_spec_prob): New static variable.
4798 (schedule_insns): Initialize it.
4799 (GET_SRC_PROB): Removed.
4800 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
4802 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
4805 * config/ia64/unwind-ia64.c: Revert last change.
4806 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
4807 (INCOMING_FRAME_SP_OFFSET): Define.
4809 2006-02-06 Roger Sayle <roger@eyesopen.com>
4811 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
4813 2006-02-07 Ben Elliston <bje@au.ibm.com>
4815 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
4816 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
4817 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
4818 (ix86_return_in_memory): Handle TDmode.
4819 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
4820 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
4822 2006-02-06 Richard Sandiford <richard@codesourcery.com>
4824 * reorg.c (dbr_schedule): Use dump_file instead of file.
4826 2006-02-06 Steve Ellcey <sje@cup.hp.com>
4829 * config/ia64/predicates.md (extr_len_operand): New predicate.
4830 * config/ia64/ia64.md (extv): Tighten constraints.
4832 (*tbit_and_2): Ditto.
4833 (*tbit_and_3): Ditto.
4834 (*tbit_or_2): Ditto.
4835 (*tbit_or_3): Ditto.
4839 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
4842 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
4844 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4846 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
4847 loop_optimizer_init and loop_optimizer_finalize
4848 * tree-ssa-sink.c (execute_sink_code): Ditto.
4849 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4850 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
4851 tree_ssa_loop_done): Ditto.
4852 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
4853 * sched-ebb.c: Include output.h.
4854 (schedule_ebbs): Do not use dump argument.
4855 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
4856 * loop.c (loop_dump_stream): Removed.
4857 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
4859 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
4860 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
4861 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
4862 loop_iterations, strength_reduce, record_biv, record_giv,
4863 final_giv_value, check_final_value, check_ext_dependent_givs,
4864 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
4865 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
4866 dump_file instead of loop_dump_stream.
4867 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
4869 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
4871 * flow.c (life_analysis, rest_of_handle_life): Ditto.
4872 * haifa-sched.c: Include output.h
4873 (schedule_insns, sched_init): Do not use dump argument.
4874 * mode-switching.c (optimize_mode_switching): Ditto.
4875 * modulo-sched.c (stats_file): Removed.
4876 (print_node_sched_params): Do not call argument dump_file.
4877 (sms_schedule_by_order, loop_canon_p, sms_schedule,
4878 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
4880 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
4882 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
4883 rtl_loop_init, rtl_loop_done): Ditto.
4884 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
4885 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
4887 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
4888 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
4889 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
4890 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
4891 * emit-rtl.c (renumber_insns): Ditto.
4892 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
4893 expand_gimple_basic_block, tree_expand_cfg): Ditto.
4894 * regclass.c (regclass): Ditto.
4895 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
4896 remove_ssa_form, rewrite_out_of_ssa): Ditto.
4897 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
4898 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
4900 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
4901 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
4903 * gcse.c (gcse_file, debug_stderr): Removed.
4904 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
4905 rest_of_handle_gcse): Do not use dump argument.
4906 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
4907 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
4908 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
4909 compute_code_hoist_vbeinout, compute_code_hoist_data,
4910 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
4911 compute_store_table, build_store_vectors, insert_insn_start_bb,
4912 insert_store, remove_reachable_equiv_notes, replace_store_insn,
4913 store_motion): Use dump_file instead of gcse_file.
4914 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
4915 * profile.c (profile_dump_file): Removed.
4916 (branch_prob): Use dump_file instead of profile_dump_file.
4917 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
4919 * tree-ssa-copy.c (dump_copy_of): Ditto.
4920 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
4921 dump file to life_analysis.
4922 * bt-load.c (branch_target_load_optimize): Ditto.
4923 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
4925 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
4926 regclass, dbr_schedule): Declaration changed.
4927 * sched-int.h (sched_init): Declaration changed.
4928 * tree-profile.c (tree_profile_dump_file): Removed.
4929 (tree_profile_hooks): Removed profile_dump_file hook.
4930 * rtl-profile (rtl_profile_dump_file): Removed.
4931 (rtl_profile_hooks): emoved profile_dump_file hook.
4932 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
4934 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
4935 * tree-cfg.c (build_tree_cfg): Ditto.
4936 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
4937 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
4938 Declaration changed.
4939 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
4940 life_analysis and schedule_insns.
4941 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
4943 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
4945 * config/mips/mips.c (mips_reorg): Ditto.
4946 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
4949 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
4951 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4952 (s390_mangle_fundamental_type): New.
4953 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4956 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4957 (alpha_mangle_fundamental_type): New.
4958 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4961 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4963 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4965 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4966 (sparc_mangle_fundamental_type): New.
4968 2006-02-06 Jakub Jelinek <jakub@redhat.com>
4970 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
4971 (s390x-*-linux*): Likewise.
4972 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
4973 * config/s390/t-linux: New file.
4975 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4977 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
4978 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
4980 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
4982 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
4983 (ANTIC_SAFE_LOADS): New macro.
4984 (find_or_generate_expression): Add prototype.
4985 (set_contains_value): Allow null set for sake of not always having
4986 to allocate ANTIC_SAFE_LOADS.
4987 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
4988 Allow COMPONENT_REF too.
4989 (valid_in_set): Allow COMPONENT_REF.
4990 Check ANTIC_SAFE_LOADS too.
4991 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
4992 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
4994 (can_PRE_operation): Add COMPONENT_REF.
4995 (create_component_ref_by_pieces): New function.
4996 (create_expression_by_pieces): Use create_component_ref_by_pieces.
4997 (insert_aux): Move AGGREGATE_TYPE_P check here.
4998 (compute_avail): Set bb local stmt uids.
4999 (pass_pre): Use TODO_update_ssa_only_virtuals.
5001 2006-02-06 Ben Elliston <bje@au.ibm.com>
5003 * configure.ac: Unconditionally disable decimal float by default.
5004 * configure: Regenerate.
5006 2006-02-06 Ben Elliston <bje@au.ibm.com>
5008 * read-rtl.c (read_name): Terminate reading on EOF.
5010 2006-02-06 Ben Elliston <bje@au.ibm.com>
5012 * dfp.c (decimal_real_arithmetic): Change second argument type
5013 from int to enum tree_code. Do not always return true, but now
5014 return result of any call to decimal_do helper functions.
5015 * dfp.h (decimal_real_arithmetic): Update prototype.
5017 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5019 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5021 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5024 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5027 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5029 * tree-vrp.c (cfg_loops): Removed.
5030 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5031 Use current_loops instead of cfg_loops. Pass flags to
5032 loop_optimizer_init.
5033 * cfgloopmanip.c (fix_loop_structure): Update only available
5035 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5036 loop_optimizer_init.
5037 * modulo-sched.c (build_loops_structure): Removed.
5038 (sms_schedule): Use loop_optimizer_init.
5039 * loop-init.c (loop_optimizer_init): Use flags to determine
5040 which properties of loops to prepare.
5041 (rtl_loop_init): Pass flags to loop_optimizer_init.
5042 * tree-ssa-sink.c (execute_sink_code): Ditto.
5043 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5044 * tree-ssa-pre.c (init_pre): Ditto.
5045 * cfgloop.h (LOOPS_NORMAL): New.
5046 (loop_optimizer_init): Declaration changed.
5048 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5050 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5051 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5053 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5055 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5057 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5058 * pa/t-pa64: Delete quadlib.c rule.
5059 * pa/x-ada: Revert last change.
5060 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5062 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5064 PR rtl-optimization/26087
5065 * rtlanal.c (canonicalize_condition): Do not cross basic block
5068 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5071 * config/ia64/ia64.c: Include debug.h.
5072 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5073 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5074 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5075 (process_epilogue, process_set, process_for_unwind_directive):
5076 Output unwind info only if requested. Add CFA info if requested.
5077 Add new arguments as needed. Adjust callers.
5078 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5080 (DWARF2_FRAME_INFO): Define to zero.
5081 * config/ia64/unwind-ia64.c: Remove code that compensated for
5082 the CFA offset error fixed above.
5083 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5084 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5085 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5086 -funwind-tables and -fexceptions to enable frame info.
5087 (dwarf2out_frame_init): Define initial CFA even if
5088 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5089 DWARF2_UNWIND_INFO is nonzero, not just defined.
5090 (dwarf2out_frame_finish): Output non-EH call frame info only
5091 if DWARF2_FRAME_INFO is nonzero.
5092 (convert_cfa_to_loc_list,
5093 compute_frame_pointer_to_cfa_displacement): Define even if
5094 unwind info is not supported.
5095 (gen_subprogram_die): Use the above unconditionally. Remove
5096 legacy alternate code.
5097 * toplev.c (compile_file): Compile in call to
5098 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5099 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5101 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5102 Jakub Jelinek <jakub@redhat.com>
5104 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5105 IBM extended float format long double as "g" on powerpc*-linux.
5107 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5110 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5111 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5113 2006-02-03 Jason Merrill <jason@redhat.com>
5116 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5119 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5120 on the return slot if it's an NRV.
5122 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5124 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5125 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5126 rewrite_use): Do not handle USE_OUTER.
5127 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5128 add_iv_outer_candidates, may_replace_final_value,
5129 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5130 (find_interesting_uses_op): Functionality of
5131 find_interesting_uses_outer_or_nonlin moved here.
5132 (find_interesting_uses_outside): Use find_interesting_uses_op.
5134 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5137 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5139 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5140 Ulrich Weigand <uweigand@de.ibm.com>
5143 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5144 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5145 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5146 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5148 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5149 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5150 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5151 Define secondary reloads for TFmode moves.
5152 (constant_modes): Add TFmode.
5153 (NR_C_MODES): Set to 8.
5154 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5156 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5157 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5158 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5159 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5160 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5161 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5162 (FPR mode macro): Add TFmode.
5163 (DSF mode macro): New.
5164 (<de>, <dee> mode attributes): Removed.
5165 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5166 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5167 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5168 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5169 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5170 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5171 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5172 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5173 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5174 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5175 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5176 "*negabs<mode>2", "sqrt<mode>2"):
5177 Changed <de> to <xde>. R constraint replaced by <Rf>.
5178 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5180 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5181 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5182 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5184 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5185 "extenddftf2", "extendsftf2"): New expanders.
5186 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5187 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5188 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5189 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5191 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5192 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5193 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5194 __floatditf): Add a GCC_4.1.0 symbol version tag.
5195 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5198 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5201 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5202 Use targetm.binds_local_p instead of TREE_PUBLIC.
5204 2006-02-02 Roger Sayle <roger@eyesopen.com>
5206 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5207 on INTEGER_TYPEs to indicate that it denotes a character type.
5208 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5209 signed_char_type_node, unsigned_char_type_node and char_type_node.
5210 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5211 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5212 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5214 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5215 Daniel Berlin <dberlin@dberlin.org>
5217 * tree-tailcall.c (arg_needs_copy_p): New function.
5218 (eliminate_tail_call): Use arg_needs_copy_p.
5219 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5220 (add_virtual_phis): New function.
5222 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5224 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5225 #ignore instead of #scratch for %g7 .register directive.
5227 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5229 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5232 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5234 * flow.c (calculate_global_regs_live): Assert that there aren't any
5237 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5239 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5241 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5242 bsi_after_labels iterator.
5243 * tree-if-conv.c (find_phi_replacement_condition,
5244 replace_phi_with_cond_modify_expr): Likewise.
5245 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5246 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5248 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5250 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5252 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5255 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5256 array after growing it.
5258 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5261 * fold-const.c (fold_checksum_tree): Change type of buf.
5263 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5265 * reload.c (push_secondary_reload): Initialize t_icode.
5267 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5269 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5270 -msoft-float -mlong-double-128 only issue a warning, but don't
5271 swich to DFmode long double.
5273 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5275 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5276 has a constant equivalent, iterate over equivalents for arg0,
5277 calling simplify_relational_operation and if there's a result
5278 cheaper than X, apply fold_rtx and return the result.
5280 2006-02-01 Jan Hubicka <jh@suse.cz>
5282 * opts.c (no_unit_at_a_time_default): New global variable.
5283 (decode_options): Use it.
5284 * opts.h (no_unit_at_a_time_default): Declare.
5286 2006-02-01 Paul Brook <paul@codesourcery.com>
5288 * function.c (assign_parm_setup_reg): Use function argument promotion
5290 * expr.c (expand_expr_real_1): Use function argument promotion rules
5293 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5295 * gcc.c (process_command): Change j to 'unsigned int'.
5297 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5300 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5301 Use the corrected index for the character
5302 out of the string constant.
5304 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5306 * mode-switching.c (optimize_mode_switching): Fix size
5307 allocated for bb_info[n_entities].
5309 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5311 * gcc.c (main): Correct type that is allocated for
5312 explicit_link_files.
5314 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5316 * config/s390/s390.c (init_alignment_context): Set
5317 ALIAS_SET_MEMORY_BARRIER on the MEM.
5318 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5320 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5323 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5325 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5328 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5330 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5331 * regrename.c: Ditto.
5332 * tree-ssa-loop-im.c: Ditto.
5333 * tree-dump.c: Ditto.
5334 * tree-complex.c: Ditto.
5335 * genrecog.c: Ditto.
5336 * tree-ssa-threadupdate.c: Ditto.
5338 * java/class.c: Ditto.
5339 * java/jcf-parse.c: Ditto.
5340 * java/resource.c: Ditto.
5341 * java/except.c: Ditto.
5342 * java/jvspec.c: Ditto.
5343 * java/jcf-write.c: Ditto.
5344 * java/jcf-path.c: Ditto.
5345 * java/gjavah.c: Ditto.
5346 * java/zextract.c: Ditto.
5347 * java/jcf-io.c: Ditto.
5348 * java/jcf.h: Ditto.
5349 * java/buffer.c: Ditto.
5350 * java/lang.c: Ditto.
5351 * java/parse-scan.y: Ditto.
5352 * java/lex.c: Ditto.
5353 * java/lex.h: Ditto.
5354 * cfgloopmanip.c: Ditto.
5355 * postreload-gcse.c: Ditto.
5356 * tree-ssa-loop-manip.c: Ditto.
5357 * postreload.c: Ditto.
5358 * tree-ssa-loop-ch.c: Ditto.
5362 * diagnostic.c: Ditto.
5364 * genoutput.c: Ditto.
5366 * cfghooks.c: Ditto.
5367 * cfgloopanal.c: Ditto.
5368 * objc/objc-act.c: Ditto.
5370 * genextract.c: Ditto.
5371 * genautomata.c: Ditto.
5372 * pretty-print.c: Ditto.
5374 * cgraphunit.c: Ditto.
5377 * haifa-sched.c: Ditto.
5378 * dominance.c: Ditto.
5380 * tree-ssa-loop-ivopts.c: Ditto.
5382 * mode-switching.c: Ditto.
5383 * modulo-sched.c: Ditto.
5385 * ipa-pure-const.c: Ditto.
5387 * fix-header.c: Ditto.
5389 * tree-stdarg.c: Ditto.
5390 * ipa-utils.c: Ditto.
5391 * loop-init.c: Ditto.
5392 * ipa-inline.c: Ditto.
5395 * alloc-pool.c: Ditto.
5396 * dwarf2out.c: Ditto.
5398 * genattrtab.c: Ditto.
5399 * tree-ssa-loop-ivcanon.c: Ditto.
5403 * fortran/gfortranspec.c: Ditto.
5405 * local-alloc.c: Ditto.
5406 * langhooks.c: Ditto.
5407 * function.c: Ditto.
5408 * tree-vectorizer.c: Ditto.
5410 * ipa-type-escape.c: Ditto.
5412 * tree-if-conv.c: Ditto.
5415 * tree-data-ref.c: Ditto.
5416 * loop-unroll.c: Ditto.
5417 * treelang/treetree.c: Ditto.
5420 * ggc-common.c: Ditto.
5422 * coverage.c: Ditto.
5424 * tree-cfgcleanup.c: Ditto.
5425 * tree-ssa-pre.c: Ditto.
5426 * cfgcleanup.c: Ditto.
5427 * loop-invariant.c: Ditto.
5429 * ipa-prop.c: Ditto.
5430 * print-tree.c: Ditto.
5431 * conflict.c: Ditto.
5432 * ggc-page.c: Ditto.
5433 * sched-deps.c: Ditto.
5434 * regclass.c: Ditto.
5435 * tree-object-size.c: Ditto.
5437 * bb-reorder.c: Ditto.
5438 * resource.c: Ditto.
5439 * var-tracking.c: Ditto.
5441 * df-problems.c: Ditto.
5442 * reg-stack.c: Ditto.
5445 * sched-rgn.c: Ditto.
5446 * tree-ssa-structalias.c: Ditto.
5447 * tree-ssa-reassoc.c: Ditto.
5448 * config/darwin-c.c: Ditto.
5449 * config/darwin.c: Ditto.
5450 * config/arm/arm.c: Ditto.
5452 * collect2.c: Ditto.
5455 2006-01-31 Nicolas Pitre <nico@cam.org>
5457 * arm.md (smaxsi3): Make aware of smax_m1.
5460 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5462 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5464 2006-01-31 Richard Guenther <rguenther@suse.de>
5466 * doc/invoke.texi (-msselibm): Document.
5467 * target.h (expand_library_builtin): New target hook.
5468 * builtins.c (expand_builtin): Use expand_library_builtin.
5469 (default_expand_library_builtin): New function.
5470 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5471 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5472 (link_gcc_math_spec): Declare.
5473 (static_specs): Add link_gcc_math_spec.
5474 * expr.h (default_expand_library_builtin): Declare.
5475 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5476 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5477 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5478 * config/i386/i386.opt (msselibm): New target option.
5479 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5480 (ix86_init_sse_abi_builtins): New function.
5481 (ix86_expand_library_builtin): Likewise.
5482 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5483 (override_options): Handle error conditions wrt -msselibm.
5484 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5485 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5486 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5489 2006-01-31 Richard Guenther <rguenther@suse.de>
5490 Paolo Bonzini <bonzini@gnu.org>
5492 * doc/install.texi (--disable-libgcc-math): Document.
5494 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5496 * expr.h (expand_normal): new inline function.
5497 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5499 * dwarf2out.c: use it.
5504 * config/sparc/sparc.c: use it.
5505 * config/i386/i386.c: use it.
5506 * config/rs6000/rs6000.c: use it.
5507 * config/arm/arm.c: use it.
5508 * config/mips/mips.c: use it.
5509 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5511 2006-01-30 Roger Sayle <roger@eyesopen.com>
5513 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5514 argv to the appropriate type.
5516 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5518 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5521 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5524 * config/s390/s390.c (struct machine_function): New flag
5525 decomposed_literal_pool_addresses_ok_p.
5526 (s390_reorg): Set it before final stage of literal pool transforms.
5527 (s390_decompose_address): Only accept displacements of the form
5528 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5530 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5532 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5533 the comparison routine return.
5535 2006-01-30 Michael Matz <matz@suse.de>
5537 * global.c (find_reg): Only evict for global regs.
5538 Take n_refs into account and dump more info.
5540 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5543 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5544 (pragma_trap, pragma_nosave_low_regs): Likewise.
5545 (current_function_anonymous_args): Likewise.
5546 (sh_deferred_function_attributes): New variable.
5547 (sh_deferred_function_attributes_tail): Likewise.
5548 (print_operand): For '@', look up trap_exit attribute.
5549 (calc_live_regs): Look up trapa_handler attribute. For trapa
5550 handlers, save/restore fpscr, but don't do any other
5551 interrupt-specific saves.
5552 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5553 Fix check for partially saved registers to check for SHmedia.
5554 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5555 (sh_output_function_epilogue): Don't clear any of the removed
5557 (sh_insert_attributes): Don't check pragma_interrupt.
5558 Insert deferred attributes. Check that interrupt attribute is
5559 present for other attributes that require its presence.
5560 (sh_attribute_table): Add new attributes trapa_handler and
5562 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5563 Don't check for pragma_interrupt. Don't store argument.
5564 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5565 (sh_deferred_function_attributes): Declare.
5566 (sh_deferred_function_attributes_tail): Likewise.
5567 * sh.md (sp_switch_1): Add operand. Change generator caller.
5568 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5569 (*return_i): Don't use when trap_exit attribute is in effect.
5570 (*return_trapa): New insn pattern.
5572 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5573 setting c_target_objs and cxx_target_objs.
5574 * t-sh: Add rule for sh-c.o.
5576 2006-01-30 Richard Guenther <rguenther@suse.de>
5579 * gimplify.c (gimplify_target_expr): Handle easy cases
5580 without creating a temporary.
5582 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5584 * vec.h (safe_grow): Remove duplicated line.
5586 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5589 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5590 (expand_omp): ... here.
5591 (expand_omp_parallel): Only remove barriers for combined
5592 parallel+workshare constructs.
5594 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5598 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5599 * tree.c (build_qualified_type): Chain the new type to the original
5600 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5601 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5602 (build_pointer_type_for_mode): Only return unqualified types.
5603 (build_reference_type_for_mode): Likewise.
5605 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5607 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5608 * Makefile.in (CXX_COMPAT_WARN): Define.
5609 * configure: Regenerate.
5611 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5614 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5617 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5619 * toplev.c: Fix thinko.
5621 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5622 Marcin Dalecki <martin@dalecki.de>
5624 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5625 (push_srcloc): Use XNEW.
5626 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5628 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5630 * df-core.c (df_set_blocks): Deleted all variable.
5632 2006-01-28 Ian Lance Taylor <ian@airs.com>
5634 * cgraphunit.c (cgraph_assemble_pending_functions): Call
5635 cgraph_output_pending_asms.
5637 2006-01-28 Zack Weinberg <zackw@panix.com>
5639 * c.opt: Add -W(no-)overlength-strings.
5640 * doc/invoke.texi: Document it.
5641 * c-opts.c (c_common_handle_option): -pedantic implies
5642 -Woverlength-strings, if not explicitly disabled already.
5643 (c_common_post_options): -Woverlength-strings defaults to off, and
5644 is always off for C++.
5645 * c-common.c (fix_string_type): Issue warning about strings longer
5646 than is portable only if warn_overlength_strings. Rearrange code
5647 a little for clarity.
5648 * configure.in: Check for -Wno-overlength-strings as well before
5649 enabling -pedantic in stage 1.
5650 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
5651 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
5653 * genconditions.c (write_header, write_one_condition)
5654 (write_conditions, write_writer): Consolidate very long strings
5655 that were broken up to fit in C89 portable limit. Don't use
5656 printf when fputs will do.
5658 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
5660 * combine.c (simplify_comparison <AND>): Check
5661 TRULY_NOOP_TRUNCATION before start using a subreg.
5663 * config/mips/mips.md (*branch_zero<mode>,
5664 *branch_zero<mode>_inverted, *branch_equality<mode>,
5665 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
5666 Remove mode check from comparisons.
5668 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
5670 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
5672 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5674 * expmed.c (const_mult_add_overflow_p): Remove.
5675 * expr.h: Remove the prototype for const_mult_add_overflow_p.
5677 * recog.c (validate_replace_rtx_subexp): Remove.
5678 * recog.h: Remove the prototype for
5679 validate_replace_rtx_subexp.
5681 * integrate.h: Remove the prototype for
5682 copy_decl_for_inlining.
5683 * rtl.h: Remove the prototype for mark_constant_function.
5684 * tree-vectorizer.h: Remove the prototype for
5685 vect_strip_conversion.
5687 * modulo-sched.c (create_partial_schedule,
5688 free_partial_schedule, reset_partial_schedule): Make them
5691 * hooks.c (hook_bool_rtx_int_false): Remove.
5692 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
5694 2006-01-28 David Edelsohn <edelsohn@gnu.org>
5696 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5697 and -mlong-double-128 are incompatible.
5698 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
5699 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
5700 (TARGET_LIBGCC2_CFLAGS): Define.
5701 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
5702 (TARGET_LIBGCC2_CFLAGS): Same.
5703 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
5705 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5708 * c-typeck.c (build_binary_op): Perform implicit casts of
5709 operands before shortening them.
5711 * cfgloopmanip.c (split_loop_bb): Remove.
5712 * cfgloop.h: Remove the prototype for split_loop_bb.
5714 * cfgloop.c (flow_loop_outside_edge_p): Remove.
5715 * cfgloop.h: Remove the prototype for
5716 flow_loop_outside_edge_p.
5718 * emit-rtl.c (init_virtual_regs): Make it static.
5719 * function.h: Remove the prototype for init_virtual_regs.
5721 * recog.c (peephole2_optimize): Make it static.
5722 * recog.h: Remove the prototype for peephole2_optimize.
5724 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5726 * df-scan.c (df_record_entry_block_defs): Check if
5727 INCOMING_RETURN_ADDR_RTX is defined.
5729 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
5730 Kenneth Zadeck <zadeck@naturalbridge.com>
5732 PR rtl-optimization/24762
5733 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5734 * targhooks.c (hook_void_bitmap): New hook prototype.
5735 * targhoohs.h (hook_void_bitmap): Ditto.
5736 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
5737 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
5738 * target.h (live_on_entry): New function pointer.
5739 * df-scan.c (df_all_hard_regs): Removed.
5740 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
5741 (df_scan_free_internal): Added df->entry_block_defs.
5742 (df_scan_alloc): Ditto.
5743 (df_scan_dump): Ditto.
5744 (df_uses_record): Plumbed flag field properly thru calls.
5745 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
5746 This part fixes PR24762.
5747 (df_bb_refs_record): Added code to make the frame and arg
5748 pointers live in EH blocks.
5749 (df_refs_record): Added call to df_record_entry_block_defs.
5750 (df_record_entry_block_defs): New function.
5751 * df-core.c: Added comments to describe new artifical defs.
5752 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
5753 (entry_block_defs): New field in struct df.
5754 (df_all_hard_regs): Deleted.
5755 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5756 * df-problems.c (df_ru_bb_local_compute_process_def):
5757 Added code to handle artifical defs in the entry to a function.
5758 (df_ru_bb_local_compute): Ditto.
5759 (df_rd_bb_local_compute_process_def): Ditto.
5760 (df_rd_bb_local_compute): Ditto.
5761 (df_lr_bb_local_compute): Ditto.
5762 (df_ur_bb_local_compute): Ditto.
5763 (df_urec_bb_local_compute): Ditto.
5764 (df_chain_create_bb): Ditto.
5765 (df_ur_local_finalize): Removed entry.
5766 (df_urec_init): Ditto.
5767 (df_urec_local_finalize): Ditto.
5768 (df_ri_bb_compute): Added detection of last use of pseudos.
5769 * Makefile.in (df-scan.o): Updated dependencies.
5770 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
5771 * config/mips/mips.c (mips_set_live_on_entry): Added.
5772 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
5774 * dce.c (marked_insn_p): Added code to handle artifical defs.
5776 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5778 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
5780 (_mm_cvtsi128_si64): Likewise.
5781 (_mm_cvtsd_si64): Likewise.
5782 (_mm_cvttsd_si64): Likewise.
5783 (_mm_cvtsi64_sd): Likewise.
5784 (_mm_cvtsi64_si128): Likewise.
5785 * config/i386/mmintrin.h (_m_from_int64): Likewise.
5786 (_mm_cvtsi64_m64): Likewise.
5787 (_m_to_int64): Likewise.
5788 (_mm_cvtm64_si64): Likewise.
5789 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
5790 (_mm_cvttss_si64): Likewise.
5791 (_mm_cvtsi64_ss): Likewise.
5792 (_mm_cvtss_f32): Likewise.
5794 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
5796 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
5797 for pragma redefine_extname.
5799 2006-01-27 Jakub Jelinek <jakub@redhat.com>
5802 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
5803 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
5804 -mno-minimal-toc to previous content.
5805 (bispecs): Remove goal.
5806 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
5807 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
5808 compatibility aliases on powerpc-*-*gnu*.
5809 * config/rs6000/libgcc-ppc-glibc.ver: New file.
5810 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
5811 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
5812 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
5813 (ldblspecs): New goal.
5814 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
5815 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
5817 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
5818 L_sf_to_tf or L_df_to_tf is defined.
5820 2006-01-27 David Edelsohn <edelsohn@gnu.org>
5821 Alan Modra <amodra@bigpond.net.au>
5824 * config/rs6000/linux.h (POWERPC_LINUX): Define.
5825 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
5826 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
5827 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
5828 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
5829 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
5830 (rs6000_override_options): Initialize rs6000_ieeequad.
5831 Initialize TFmode format to ibm_extended_format if not
5833 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
5835 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
5836 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
5837 (function_arg_advance): IBM long double passed in two FPRs, not
5839 (function_arg): IBM long double passed in FPRs.
5840 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
5841 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
5842 Only multireg GPR aligned.
5843 (rs6000_init_libfuncs): Enable IBM long double functions if not
5845 (rs6000_generate_compare): Use IBM long double compare if not
5847 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
5848 (TARGET_IEEEQUAD): Define.
5849 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
5850 not TARGET_IEEEQUAD.
5851 * config/rs6000/rs6000.md: Enable TFmode patterns if
5853 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
5854 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5855 and -mlong-double-128 are incompatible.
5856 * doc/invoke.texi (-mabi): Collect options together. Add
5857 ibmlongdouble and ieeelongdouble.
5859 2006-01-27 Richard Sandiford <richard@codesourcery.com>
5861 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
5863 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
5864 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
5865 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
5866 * rtl.h (rtunion_def): Remove rt_ptr.
5868 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
5869 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
5870 * config/i386/winnt.c (i386_pe_mark_dllexport)
5871 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
5873 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
5875 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
5877 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5881 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
5882 pthread_key_delete. From John David Anglin. gthrw-ify
5883 pthread_getunique_np only if it it's not a macro. Delete
5885 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
5886 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
5887 __gthread_objc_condition_signal, __gthread_key_delete): Add
5888 "__attribute__ ((__unused__))" to unused arguments.
5889 (__gthread_recursive_mutex_init_function): Add missing return.
5890 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
5891 gthr-posix95.h: Use macro-based approach for name redirection
5892 on targets missing weakref.
5894 2006-01-26 Zack Weinberg <zackw@panix.com>
5896 * genconditions.c (write_header): In generated code, #ifdef out
5897 all includes and fake declarations, except includes of bconfig.h
5898 and system.h, unless GCC_VERSION >= 3001. Do not include
5899 gensupport.h in any case.
5900 (write_conditions): Generate a definition of struct c_test. Add
5901 a comment to the generated #endif.
5902 (write_one_condition): Escape backslashes in string too.
5903 (write_writer): Generated code must escape backslashes and quote
5904 marks (but not newlines) in the strings it writes.
5905 * Makefile.in (build/gencondmd.o): Update dependencies.
5907 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5910 * Makefile.in (insn-automata.o): Add header file dependencies.
5911 * genautomata.c: Add includes.
5913 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5916 * Makefile.in (insn-automata.o): Add -Wno-error flag.
5918 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5920 * configure.ac: Expect target tools paths to be passed from the toplevel
5921 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
5923 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
5925 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5928 * c.opt (Wpointer-sign): Init to -1.
5929 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
5930 OPT_pedantic, to 0 otherwise.
5931 * doc/invoke.texi: Update.
5933 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5935 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
5936 constants provided by 80387 instructions in the destination mode.
5938 2006-01-26 Richard Guenther <rguenther@suse.de>
5939 Andrew Pinski <pinskia@physics.uc.edu>
5942 partial PR tree-opt/17064
5943 * tree-ssa-structalias.c (intra_create_variable_infos):
5944 Create heap variables for incoming parameters if
5945 flag_argument_noalias > 1.
5946 (find_what_p_points_to): Look through default defs of
5949 2006-01-26 Jeff Law <law@redhat.com>
5952 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
5953 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
5954 within the VR_RANGE, use the VR_RANGE as the result, not the
5956 (adjust_range_with_scev): Reject ranges from SCEV which are out of
5957 bounds for the type.
5959 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
5961 * tree-ssa-alias.c (maybe_create_global_var): Change
5962 subvar walking to an assertion that we don't have subvar'd variables.
5964 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
5967 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
5968 Use a new variable, inner. PARM_DECLs are always non-weak.
5970 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
5972 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
5975 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
5977 * config/mips/mips.md (*clear_upper32): New combiner pattern.
5979 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
5981 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
5982 (smax_insn, smin_insn, smax_0, smin_0): New.
5984 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
5987 * config/cris/cris.c (cris_order_for_addsi3): New function.
5988 * config/cris/cris-protos.h: Prototype it.
5989 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
5990 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
5991 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
5992 (split for "op.S1 [rx=rx+i],ry (swapped)")
5993 (split for "op(s|u).S1 [rx=rx+i],ry")
5994 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
5995 Apply cris_order_for_addsi3 when generating addsi3 insns.
5997 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5999 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6000 (TREE_BLOCK): Add call to EXPR_CHECK.
6002 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6005 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6006 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6007 (dump_omp_clauses): ... here.
6008 (dump_generic_node): Handle OMP_CLAUSE.
6009 * tree.c (omp_clause_num_ops): New.
6010 (omp_clause_code_name): New.
6011 (tree_code_size): Handle OMP_CLAUSE.
6012 (tree_size): Likewise.
6013 (make_node): Document handling of OMP_CLAUSE.
6014 (tree_node_structure): Handle OMP_CLAUSE.
6015 (omp_clause_check_failed): New.
6016 (omp_clause_range_check_failed): New.
6017 (omp_clause_operand_check_failed): New.
6018 (build_omp_clause): New.
6019 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6020 * tree.h (enum omp_clause_code): Declare.
6021 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6022 (OMP_CLAUSE_RANGE_CHECK): Define.
6023 (OMP_CLAUSE_ELT_CHECK): Define.
6024 (omp_clause_check_failed): Declare.
6025 (omp_clause_operand_check_failed): Declare.
6026 (omp_clause_range_check_failed): Declare.
6027 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6028 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6029 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6030 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6031 (OMP_CLAUSE_IF_EXPR): Likewise.
6032 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6033 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6034 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6035 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6036 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6037 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6038 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6039 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6040 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6041 (OMP_CLAUSE_CODE): Define.
6042 (OMP_CLAUSE_SET_CODE): Define.
6043 (OMP_CLAUSE_CODE): Define.
6044 (OMP_CLAUSE_OPERAND): Define.
6045 (struct tree_omp_clause): Declare.
6046 (union tree_node): Add field 'omp_clause'.
6047 * treestruct.def (TS_OMP_CLAUSE): Define.
6048 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6049 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6050 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6051 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6052 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6053 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6054 (OMP_CLAUSE): Define.
6055 * print-tree.c (print_node): Handle OMP_CLAUSE.
6056 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6057 * c-typeck.c: Likewise.
6058 * gimplify.c: Likewise.
6059 * c-omp.c: Likewise.
6060 * tree-nested.c: Likewise.
6061 * tree-inline.c: Likewise.
6062 * c-parser.c: Likewise.
6063 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6066 2006-01-25 Roger Sayle <roger@eyesopen.com>
6068 PR rtl-optimization/25703
6069 * combine.c (try_combine): Handle zero_extract and strict_low_part
6070 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6072 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6074 * global.c: Fix comment typos.
6076 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6079 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6080 Use output_addr_const instead of assemble_name.
6082 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6084 * Makefile.in (sched-vis.o): Update dependencies.
6085 * haifa-sched.c (sched_finish): Clear current_sched_info.
6086 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6087 (dump_flow_info): Call it.
6088 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6090 * basic-block.h (dump_bb_info): Declare.
6091 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6092 option, and apply options only for dump files whose TDF_RTL,
6093 TDF_TREE, or TDF_IPA bits match.
6094 * rtl.h: Declare new functions exported from sched-vis.c.
6095 * sched-vis.c: Enable also if scheduling is not used.
6096 (print_value): Print the mode of registers if not inside scheduling.
6097 (print_insn): Make it work outside the scheduler. Beautify the output
6099 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6101 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6103 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6104 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6105 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6106 depending on the value of CONSTANT_POOL_ADDRESS_P.
6107 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6109 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6110 rather than SYMBOL_REF_DECL.
6111 (rtx_constant_pool): Remove const_rtx_sym_htab.
6112 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6113 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6114 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6115 Remove handling of const_rtx_sym_htab.
6116 (find_pool_constant): Delete.
6117 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6118 rather than find_pool_constant.
6119 (get_pool_constant_for_function): Delete.
6120 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6122 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6123 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6124 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6125 (SYMBOL_REF_CONSTANT): New macro.
6126 (get_pool_constant_for_function): Delete.
6127 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6128 rather than SYMBOL_REF_DECL.
6129 (i386_pe_mark_dllimport): Likewise.
6130 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6131 rather than SYMBOL_REF_DECL.
6132 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6133 (machopic_indirect_call_target): Likewise.
6135 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6137 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6139 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6141 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6143 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6145 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6147 2006-01-24 David Daney <ddaney@avtrex.com>
6150 * configure.ac (enable_tls): New enable option.
6151 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6152 * configure: Regenerate.
6153 * doc/install.texi (--enable-tls): Document new option.
6154 (--disable-tls): Ditto.
6156 2006-01-24 Richard Henderson <rth@redehat.com>
6158 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6159 * alias.c (true_dependence): Respect it.
6160 (canon_true_dependence, write_dependence_p): Likewise.
6161 * builtins.c (get_builtin_sync_mem): Set it.
6163 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6165 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6168 2006-01-24 DJ Delorie <dj@redhat.com>
6170 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6171 for storing constants in single-bit bitfields.
6173 2006-01-25 Ben Elliston <bje@au.ibm.com>
6175 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6177 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6180 * tree-ssa-pre.c (phi_translate): Return NULL
6181 for AGGREGATE_TYPE's.
6183 2006-01-24 Zack Weinberg <zackw@panix.com>
6185 * genautomata.c (process_state_for_insn_equiv_partition):
6186 Use xcalloc for insn_arcs_array.
6187 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6188 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6190 2006-01-24 Richard Henderson <rth@redhat.com>
6192 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6195 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6197 PR rtl-optimization/25890
6198 PR rtl-optimization/25905
6199 * combine.c (expand_compound_operation, expand_field_assignment):
6200 Fail if the bitfield's final position is out of bounds.
6202 2006-01-24 Ian Lance Taylor <ian@airs.com>
6205 * cgraphunit.c (cgraph_output_in_order): Don't clear
6206 cgraph_asm_nodes until after asm strings have been output.
6208 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6210 * fix-header.c (read_scan_file): Add new parameter imultilib when
6211 calling register_include_chains.
6213 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6215 * omp-low.c: Update documentation.
6217 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6218 Daniel Berlin <dberlin@dberlin.org>
6222 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6223 return from the function.
6225 2006-01-22 Zack Weinberg <zackw@panix.com>
6227 * rtl.def (match_code): Add second argument.
6228 * genpreds.c (write_extract_subexp): New function.
6229 (write_match_code): Add path argument. Use write_extract_subexp.
6230 (write_predicate_expr): Pass path to write_match_code.
6231 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6232 not perform a mode test.
6233 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6234 a subexpression does not constrain the top-level code set.
6235 * read-rtl.c (read_rtx_variadic): New function.
6236 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6237 * doc/md.texi: Document new notation.
6238 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6239 (cmpsi_operand): ... here, using new notation.
6241 2006-01-22 Zack Weinberg <zackw@panix.com>
6243 * varray.c: Remove GENERATOR_FILE #ifdefs.
6245 2006-01-22 Zack Weinberg <zackw@panix.com>
6247 * genautomata.c (output_reserved_units_table): Emit nothing if
6248 description->query_units_num is zero. Remove extra blank line.
6249 (output_cpu_unit_reservation_p): Short circuit
6250 if description->query_units_num is zero.
6252 2006-01-22 Zack Weinberg <zackw@panix.com>
6254 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6255 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6256 nor any of the random handful of variables that used to be necessary
6257 when this program was linked with rtlanal.o. Prune set of forward
6258 function declarations.
6259 (struct attr_desc): Remove static_p field.
6260 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6261 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6262 (attr_string): Do not read the character one past the length of
6264 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6265 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6266 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6267 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6268 (make_automaton_attrs): New.
6269 (main): Do not call into genautomata. Call local gen_bypass
6270 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6271 Remove special case for insn_alts.
6272 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6273 varray.h (leftover from previous change). Prune set of forward
6274 function declarations. Remove state_alts fields from all
6275 structures. Remove state_alts_table from struct automaton.
6276 Make everything except main static. Do not maintain num_dfa_decls.
6277 Do not maintain state_alts fields of various structures.
6278 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6279 (add_arc): Remove state_alts argument. All callers updated.
6280 (output_reserved_units_table): Emit #ifdef here...
6281 (output_tables): ...not here. Don't generate state_alts tables.
6282 (expand_automata): Don't generate attributes.
6283 (write_automata): Don't generate state_alts functions.
6284 (main): New function.
6285 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6286 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6287 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6288 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6289 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6290 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6291 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6292 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6294 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6295 * genattrtab.h: Delete file.
6296 * Makefile.in (OBJS-common): Add insn-automata.o.
6297 (insn-automata.o): New rule.
6298 (simple_generated_c): Add insn-automata.c.
6299 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6300 (genprogmd): Add automata.
6301 (build/genattrtab): Needs no extra objects nor libraries.
6302 (build/genautomata): Needs build/vec.o and -lm.
6304 2006-01-22 Zack Weinberg <zackw@panix.com>
6306 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6307 (output_dfa_max_issue_rate, locked_states_num): Delete.
6308 (struct automaton): Add locked_states field.
6309 (output_dead_lock_vect): Save number of locked states in
6310 automaton->locked_states. If it is zero, don't print anything.
6311 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6312 (output_internal_dead_lock_func): Only test the dead_lock_vect
6313 for automata that have locked states.
6314 (output_statistics): Always print the number of locked states for
6315 each automaton. Calculate total number of locked states here.
6316 (write_automata): Don't call output_dfa_max_issue_rate.
6317 * genattrtab.c: Define length_unit_log as a const variable.
6318 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6319 max_insn_queue_index const.
6320 * final.c (length_unit_log): Declare const.
6321 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6323 2006-01-22 Zack Weinberg <zackw@panix.com>
6325 * genautomata.c: Include vec.h, not varray.h.
6326 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6327 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6328 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6329 VEC_* macros operating on appropriately typed vectors, or to
6330 malloced arrays when the size is known in advance. Const-ify
6331 many char* variables and function arguments. No functional changes.
6332 * Makefile.in (build/varray.o): Delete rule.
6333 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6334 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6336 2006-01-22 Zack Weinberg <zackw@panix.com>
6338 * gensupport.c: Define get_insn_name and record_insn_name here.
6339 (read_md_rtx): Call record_insn_name as appropriate.
6340 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6341 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6342 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6344 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6345 (BUILD_VARRAY): Delete.
6346 (genprognormal): Rename genprogmd. Fold in all programs from
6347 genprognoprint; also attrtab.
6348 (build/genattrtab): Just mention genautomata.o and varray.o.
6349 Reorganize a bit, add comments to make the categories clearer.
6351 2006-01-22 Zack Weinberg <zackw@panix.com>
6353 * genconditions.c (condition_table, add_condition): Delete.
6354 (write_conditions): Don't emit n_insn_conditions nor
6355 insn_elision_unavailable. Issue the gcc version #ifdef here,
6356 inside the table, with no #else clause ...
6357 (write_header): ...not here.
6358 (write_writer): New function.
6359 (main): Don't initialize condition_table. Use add_c_test.
6361 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6362 files on the command line.
6363 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6364 Return -1 if there is no entry in the table, don't abort.
6365 (add_c_test, traverse_c_tests): New functions.
6366 * gensupport.h (insn_elision_unavailable, insn_conditions)
6367 (n_insn_conditions): Delete declarations.
6368 (add_c_test, traverse_c_tests): Declare.
6369 * read-rtl.c: Include gensupport.h.
6370 (read_conditions): New function.
6371 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6372 (read_rtx_1): If we get EOF when we were looking for an initial
6373 open paren, return 0. Call read_conditions when appropriate.
6374 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6375 dummy-conditions.o. Eliminate references to insn-conditions.o,
6376 or change them to build/gencondmd.o, as appropriate. Remove
6377 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6378 from $(simple_generated_c). For all files remaining in those
6379 two lists, add insn-conditions.md to the generator command line.
6380 Give insn-constants.h/s-constants their own rules. Add rules
6381 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6382 (build/read-rtl.o): Depend on gensupport.h.
6383 (genprognormal): Include preds.
6384 (genprogearly): Rename genprognoprint; only difference is now that
6385 they don't link with $(BUILD_PRINT).
6386 * dummy-conditions.c: Delete.
6388 2006-01-22 Zack Weinberg <zackw@panix.com>
6390 * genextract.c: Don't include insn-config.h. Do include vec.h.
6391 Declare vectors of int, char, and locstr.
6392 (locstr): New typedef.
6393 (struct extraction): Make all array fields into bare pointers.
6394 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6395 (insn_code_number): Delete.
6396 (accum_extract): New struct.
6397 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6398 (gen_insn): Take insn_code_number as an argument. Use an
6399 accum_extract structure instead of loading data directly into
6400 a struct extraction, and having to know how big it might get.
6401 (walk_rtx): Operate entirely on an accum_extract structure.
6402 (print_path): Avoid unnecessary use of printf.
6403 (print_header): New function, split out of main. Distinguish
6404 more carefully between an unrecognizable insn and an insn that
6405 has the code number of a define_expand.
6406 (main): Pass insn_code_number to gen_insn. Call print_header
6407 only after parsing. Avoid unnecessary use of printf.
6408 * Makefile.in (build/vec.o): New rule.
6409 (build/genextract): Depend on build/vec.o.
6410 (build/genextract.o): Don't depend on insn-config.h.
6412 2006-01-22 Zack Weinberg <zackw@panix.com>
6414 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6415 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6416 practical. Eliminate per-generator-program link rules.
6418 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6421 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6422 with a call expr to ...
6423 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6425 2006-01-23 Richard Guenther <rguenther@suse.de>
6427 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6428 before make_edge with conditional EDGE_TRUE_VALUE.
6430 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6431 Jan Hubicka <jh@suse.cz>
6432 Richard Guenther <rguenther@suse.de>
6434 PR rtl-optimization/25654
6435 * cfgexpand.c (aggregate_contains_union_type): New function.
6436 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6437 for structure variables that contain a union type.
6439 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6441 * gengtype.c (new_structure): Return the structure.
6442 (create_option): Add an extra "next" argument.
6443 (create_field): New function.
6444 (adjust_field_rtx_def): Use create_option and create_field.
6445 Remove a now-unnecessary call to find_structure.
6446 (adjust_field_tree_def): Likewise.
6447 (note_yacc_type): Remove an unnecessary call to find_structure.
6448 * gengtype.h (new_structure): Return the structure.
6449 (create_option): Add an extra argument.
6450 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6451 (option): Adjust calls to create_option.
6453 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6455 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6457 2006-01-22 Paul Brook <paul@codesourcery.com>
6458 Peter Barada <peter@the-baradas.com>
6460 * config/m68k/m68k.md: Add Coldfire FPU support.
6461 Define FP mode macro and associated attributes.
6462 Use it for float mode patterns.
6463 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6464 (LIBCALL_VALUE): Use m68k_libcall_value.
6465 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6466 (m68k_function_value): Ditto.
6467 (emit_move_sequence): Ditto.
6468 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6469 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6470 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6471 (MULTILIB_EXCEPTIONS): Ditto.
6472 * config/m68k/m68k.opt: Add mcfv4e.
6473 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6474 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6475 (m68k_output_function_prologue): Save ColdFire FPU registers.
6476 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6477 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6478 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6479 ColdFire FPU registers.
6480 (m68k_libcall_value, m68k_function_value): New functions.
6481 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6482 (LIBCALL_VALUE): Use m68k_libcall_value.
6483 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6484 (MASK_COLDFIRE): Add MASK_CFV4E.
6485 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6486 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6487 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6488 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6489 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6490 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6491 * doc/invoke.tex: Document -mcfv4e on m68k.
6493 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6495 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6498 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6501 * c-opts.c (c_common_handle_option): Don't include
6502 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6503 * doc/invoke.texi (C++ Dialect Options): Document that
6504 -Wnon-virtual-dtor is no longer included in -Wall.
6506 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6508 * gcov.c (print_version), gcov-dump.c (print_version),
6509 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6512 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6514 * df-scan.c (problem_SCAN): Added NULL reset function.
6515 (df_scan_reset_blocks): Added code to call reset block function
6516 (df_bb_refs_delete) Fixed comment.
6517 (df_insn_refs_delete): Made tolerant of deleting non existent info
6518 for dataflow problems that need to be reset.
6519 * df-core.c (df_set_blocks): Ditto.
6520 * df.h (struct df_problem): Added reset_fun.
6521 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6522 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6523 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6524 functions to clear out all references to def-use or use-def chains.
6526 2006-01-21 Ben Elliston <bje@au.ibm.com>
6528 * varasm.c (assemble_real): Initialise data array.
6530 2006-01-20 Paul Brook <paul@codesourcery.com>
6532 Merge from csl-arm-branch.
6533 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6534 * config/arm/arm.md (movdi): Force operands[1] to a register
6535 if we have a non-register source.
6536 (*arm_movdi, *movdf_soft_insn): Require that one of the
6537 operands be a register.
6538 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6539 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6541 2006-01-20 DJ Delorie <dj@redhat.com>
6543 * varasm.c (initialize_constant_valid_p): Allow pointers
6544 initialized from integer constants of lesser precision.
6545 (output_constant): Allow non-int-sized pointer modes to be
6546 initialized from integer constants.
6548 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6551 * cppdefault.h (struct default_include): Add multilib flag.
6552 * cppdefault.c (cpp_include_defaults): Set it.
6553 * c.opt (-imultilib): New option.
6554 * c-opts.c (imultilib): New.
6555 (c_common_handle_option): Handle -imultilib.
6556 (c_common_post_options): Likewise.
6557 * c-incpath.c (add_standard_paths, register_include_chains):
6559 * c-incpath.h (register_include_chains): Add extra parameter.
6560 * gcc.c (do_spec_1): Generate -imultilib option.
6561 (The Specs Language): Update %I description.
6562 (process_command): Update copyright notice.
6563 * doc/cppopts.texi (-imultilib): Document.
6564 * doc/invoke.texi (-imultilib): Include in option summary.
6565 (%I): Update specs documentation.
6567 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6569 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6571 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6573 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6576 2006-01-20 Richard Guenther <rguenther@suse.de>
6577 Steven Bosscher <stevenb.gcc@gmail.com>
6579 PR rtl-optimization/24626
6580 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6581 EDGE_TRUE_VALUE if in RTL mode.
6584 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6585 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6587 2006-01-20 Dirk Mueller <dmueller@suse.com>
6590 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6591 instead of a special NOP marker.
6592 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6593 NOP marker handling.
6594 * c-common.h (empty_body_warning): Add forward declaration.
6595 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6596 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6598 2006-01-20 Paul Brook <paul@codesourcery.com>
6600 * Makefile.in (lang_checks): Keep going if mkdir fails.
6602 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6604 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6605 be able to clean out basic block when not necessary.
6606 (df_scan_free): Fixed to properly delete information if df is
6607 unused before calling df_finish.
6608 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6609 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6611 (df_bb_refs_delete): New function.
6612 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6613 * df-core.c (df_set_blocks): Added code to properly clean out
6614 unused blocks if they are not part of the blocks to consider.
6615 Added additional null check.
6616 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6617 be able to clean out basic block when not necessary
6618 * df.h (df_free_bb_function): Ditto.
6619 (df_bb_refs_delete): New function.
6620 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6621 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6622 basic block parameter to be able to clean out basic block when not
6624 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6625 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6626 Fixed to properly delete information if df is unused before
6629 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6631 PR rtl-optimization/25799
6632 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
6633 Corrected confluence operator to remove bits from op2 before oring
6634 with op1 rather than removing bits from op1.
6635 (df_ru_transfer_function): Corrected test on wrong bitmap which
6636 caused infinite loop. Both of these problems were introduced in
6637 the dataflow rewrite.
6639 2006-01-19 DJ Delorie <dj@redhat.com>
6641 * reload1.c (find_reload_regs): Note the details of reload
6642 failures in the dump file.
6643 (spill_failure): Likewise.
6645 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6647 * loop-iv.c: Include df.h and hashtab.h.
6648 (enum iv_grd_result): New enum.
6649 (DF_REF_IV, DF_REF_IV_SET): New macros.
6650 (struct biv_entry): New.
6651 (df, bivs): New global variables.
6652 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
6653 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
6655 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
6656 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
6657 analyzed_for_bivness_p, record_biv): New functions.
6658 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
6659 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
6660 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
6662 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
6664 (iv_number_of_iterations): Use new interface to iv analysis.
6665 * loop-unroll.c: Do not include varray.h.
6666 (analyze_iv_to_split_insn): Use new interface to iv
6668 * loop-unswitch.c (may_unswitch_on): Ditto.
6669 * df.c (df_bitmaps_free): Only work for bbs for that structures are
6671 (df_bb_modify): Realloc tables to the new index.
6672 (df_find_use): New function.
6673 * df.h (df_find_use): Declare.
6674 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
6676 * cfgloop.h (struct rtx_iv): Remove analysed field.
6677 (iv_get_reaching_def): Removed.
6678 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
6679 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
6680 (loop-iv.o): Add df.h and hashtab.h dependency.
6681 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
6683 2006-01-20 Alan Modra <amodra@bigpond.net.au>
6686 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
6688 (__floatundisf, __floatundidf): Likewise.
6689 * libgcc2.h (IS_IBM_EXTENDED): Define.
6691 2006-01-19 DJ Delorie <dj@redhat.com>
6693 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
6695 2006-01-19 Paul Brook <paul@codesourcery.com>
6697 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
6698 as nothrow when unwinding tables are disabled.
6700 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6703 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
6704 of bit-field" when in system header.
6706 2006-01-19 DJ Delorie <dj@redhat.com>
6708 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
6709 the 16 bit shift limit of the m16c.
6711 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
6714 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
6715 * config/i386/i386.c (output_set_got): Output the label if we have one
6716 for the TARGET_DEEP_BRANCH_PREDICTION case.
6718 2006-01-19 Jan Hubicka <jh@suse.cz>
6719 H.J. Lu <hongjiu.lu@intel.com>
6720 Evandro Menezes <evandro.menezes@amd.com>
6722 * invoke.texi (generic): Document
6724 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
6725 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
6726 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
6727 (x86_use_incdec, x86_pad_returns): New variables
6728 (TARGET_CPU_DEFAULT_generic): New constant
6729 (TARGET_CPU_DEFAULT_NAMES): Add generic.
6730 (enum processor_type): Add generic32 and generic64.
6731 * i386.md (cpu attribute): Add generic32/generic64
6732 (movhi splitter): Behave sanely when both partial_reg_dependency and
6733 partial_reg_stall are set.
6734 (K8 splitters): Enable for generic as well.
6735 * predicates.md (incdec_operand): Use TARGET_INCDEC
6736 (aligned_operand): Avoid memory mismatch stalls.
6737 * athlon.md: Enable for generic64, new patterns for 128bit moves.
6738 * ppro.md: Enable for generic32
6739 * i386.c (generic64_cost, generic32_cost): New.
6740 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
6741 (x86_use_leave): Enable for generic64. (x86_use_sahf,
6742 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
6743 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
6744 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
6745 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
6746 x86_partial_reg_dependency, x86_memory_mismatch_stall,
6747 x86_accumulate_outgoing_args, x86_prologue_using_move,
6748 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
6749 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
6751 (x86_use_incdec, x86_pad_returns): New.
6752 (override_options): Add generic32 and generic64, translate "generic"
6753 to generic32/generic64 and "i686" to "generic32", refuse
6754 "generic32"/"generic64" as arch target.
6755 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
6756 (ix86_reorg): Honor PAD_RETURNS.
6758 2006-01-19 Diego Novillo <dnovillo@redhat.com>
6760 * tree-pretty-print.c (dump_generic_node): Handle
6761 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
6762 * cgraph.c (cgraph_expand_queue): Rename from
6763 cgraph_analyze_queue. Update all users.
6764 * cgraphunit.c (cgraph_assemble_pending_functions): Process
6765 cgraph_expand_queue.
6766 (cgraph_expand_all_functions): Likewise.
6767 (cgraph_finalize_pending_functions): Remove. Update callers.
6769 * tree.h (OMP_DIRECTIVE_P): Define.
6770 (OMP_PARALLEL_FN): Define.
6771 (OMP_PARALLEL_DATA_ARG): Define.
6772 (OMP_SECTIONS_SECTIONS): Define.
6773 * tree-pass.h (pass_expand_omp): Declare.
6774 * omp-low.c (struct omp_region): Declare.
6775 (struct omp_context): Remove fields 'parallel_type',
6776 'parallel_start_ix' and 'parallel_start_additional_args'.
6778 (struct omp_for_data): Rename from struct expand_omp_for_data.
6779 (omp_regions): New static variable.
6780 (root_omp_region): New static variable.
6781 (find_omp_clause): Make static.
6782 (is_in_combined_parallel_ctx): Remove.
6783 (is_combined_parallel): New.
6784 (extract_omp_for_data): Move earlier in the file.
6785 (workshare_safe_to_combine_p): New.
6786 (get_ws_args_for): New.
6787 (determine_parallel_type): Move earlier in the file.
6788 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
6790 (omp_copy_decl): Likewise.
6791 (create_omp_child_function): Likewise.
6792 (lookup_omp_region): New.
6793 (dump_omp_region): New.
6794 (debug_omp_region): New.
6795 (debug_all_omp_regions): New.
6796 (new_omp_region): New.
6797 (scan_omp_parallel): If parallel_nesting_level > 1, the
6798 directive is nested within another parallel directive.
6799 Set OMP_PARALLEL_FN.
6800 (scan_omp_for): Do not try to handle combined parallel+for
6802 Remove FIXME comment.
6803 (scan_omp_nested): Remove.
6804 (scan_omp_1): Do not call scan_omp_nested when
6805 parallel_nesting_level is > 1.
6806 Do not change the DECL_CONTEXT of local variables found.
6807 (lookup_decl_in_outer_ctx): New.
6808 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
6809 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
6810 (lower_reduction_clauses): Rename from expand_reduction_clauses.
6811 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
6812 If CTX is nested, lookup VAR in the outer context when
6813 building copy assignment.
6814 (lower_send_clauses): Rename from expand_send_clauses.
6815 If CTX is nested, lookup VAR in the outer context when
6816 building copy assignments.
6817 (lower_send_shared_vars): Rename from expand_send_shared_vars.
6818 If CTX is nested, lookup VAR in the outer context when
6819 building copy assignments.
6820 (expand_parallel_call): Rename from build_parallel_call.
6821 Handle combined parallel+workshare cases.
6822 Re-implement to emit code into the CFG.
6824 (expand_omp_parallel): Re-implement to emit code into the CFG.
6825 Call move_sese_region_to_fn to outline the sub-graph
6826 containing the parallel region.
6827 (expand_omp_for_1): Remove.
6828 (expand_omp_for_generic): Re-implement to emit code into the
6830 (expand_omp_for_static_nochunk): Likewise.
6831 (expand_omp_for_static_chunk): Likewise.
6832 (expand_omp_for): Likewise.
6833 (expand_omp_sections): Likewise.
6834 (remove_exit_barriers): New.
6835 (expand_omp_synch): New.
6837 (build_omp_regions_1): New.
6838 (build_omp_regions): New.
6839 (execute_expand_omp): New.
6840 (gate_expand_omp): New.
6841 (pass_expand_omp): Define.
6842 (lower_omp_sections): Rename from expand_omp_sections.
6843 Set OMP_SECTIONS_SECTIONS.
6844 (lower_omp_single_simple): Rename from expand_omp_single_simple.
6845 (lower_omp_single_copy): Rename from expand_omp_single_copy.
6846 (lower_omp_single): Rename from expand_omp_simple.
6847 (lower_omp_master): Rename from expand_omp_master.
6848 (lower_omp_ordered): Rename from expand_omp_ordered.
6849 (lower_omp_critical): Rename from expand_omp_critical.
6850 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
6851 (lower_omp_for): Re-implement.
6852 (lower_omp_parallel): Re-implement.
6853 (lower_regimplify): Rename from expand_regimplify.
6854 (lower_omp_1): Rename from expand_omp_1.
6855 If there are syntax errors in the program, replace every
6856 OpenMP directive with NOP.
6857 Call lower_omp_* instead of expand_omp_*.
6858 (lower_omp): Rename from expand_omp.
6860 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
6861 * tree-gimple.h (enum omp_parallel_type): Remove.
6862 (gimple_boolify): Declare extern.
6863 (find_omp_clause, determine_parallel_type): Remove.
6865 * gimple-low.c (lower_omp_directive): New.
6866 (lower_stmt): Call it.
6867 (record_vars_into): Move from ...
6868 (record_vars): ... here.
6869 Call record_vars_into with current_function_decl.
6871 * gimplify.c (struct gimplify_ctx): Remove fields
6872 combined_pre_p and combined_ctxp. Update users.
6873 (get_formal_tmp_var): Add documentation.
6874 (gimple_boolify): Make extern.
6875 (gimplify_expr_in_ctx): Remove. Update callers.
6876 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
6877 will always be a BIND_EXPR.
6878 (gimplify_expr): Handle OMP_RETURN_EXPR.
6879 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
6880 (OMP_PARALLEL): Add 3 operands.
6881 (OMP_SECTIONS): Add 1 operand.
6882 (OMP_RETURN_EXPR): Define.
6884 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
6885 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
6886 * tree-iterator.c (alloc_stmt_list): Assert that we are not
6887 creating a circular free list.
6888 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
6890 * tree-flow.h (move_sese_region_to_fn): Declare.
6891 (record_vars_into): Declare.
6892 * tree-cfg.c (make_omp_sections_edges): New.
6893 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
6894 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
6895 OMP_SECTIONS and OMP_SECTION.
6896 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
6897 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
6898 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
6899 (gather_blocks_in_sese_region): New.
6900 (struct move_stmt_d): Declare.
6902 (move_block_to_fn): New.
6903 (move_sese_region_to_fn): New.
6905 * passes.c (init_optimization_passes): Schedule
6906 pass_expand_omp after pass_init_datastructures.
6908 * tree-ssa-operands.c (get_expr_operands): Handle
6909 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
6910 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
6912 2006-01-19 Jeff Law <law@redhat.com>
6914 * tree-vrp.c (extract_range_from_assert): Refine the result range
6915 if the variable referenced by the ASSERT_EXPR has a range and
6916 either the tentative result range or the previous range is a
6919 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6921 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
6923 2006-01-19 Jan Hubicka <jh@suse.cz>
6925 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
6927 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
6929 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
6930 (expand_compound_operation, expand_field_assignment): Fail if the
6931 bit lengths of an extract operation are out of range.
6932 (make_extraction): Compute wanted_inner_mode based on the position
6933 and length of the extraction. Make it extraction_mode for non-constant
6934 positions, and do not modify offset in that case. When generating a
6935 new MEM, use a mode that can hold the extraction while keeping correct
6936 alignment. Remove code that supported MEMs wrapped by USEs.
6937 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
6939 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
6941 * config/s390/s390.md ("Y", "y"): New mode attribute.
6942 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6943 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
6944 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
6945 "*addsi3_imm_cc", "*addsi3_carry1_cc",
6946 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
6947 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
6948 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
6949 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
6950 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
6951 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
6952 "addsi3", "subsi3"): Insn patterns removed.
6953 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
6954 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
6955 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
6956 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
6957 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
6958 "*sub<mode>3_cconly2"): New insn patterns.
6959 ("addsi3", "subsi3"): New expanders.
6961 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
6963 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
6964 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
6965 existing STMT_VINFO_VECTYPE if available.
6966 (vect_mark_relevant): Add special handling for stmts that are
6967 marked as STMT_VINFO_IN_PATTERN_P.
6968 (vect_analyze_loop): Call vect_pattern_recog.
6969 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
6970 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
6972 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
6973 (vect_recog_func_ptr): New function-pointer type.
6974 * tree-vect-patterns.c: New file.
6975 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
6976 (vect_recog_dot_prod_pattern, vect_pattern_recog):
6977 (vect_pattern_recog_1): New functions.
6978 (vect_pattern_recog_funcs): New array of function pointers.
6980 * tree-vectorizer.h (ternary_op): New enum value.
6981 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
6982 declaration. Revised documentation. Removed redundant dump prints.
6983 Removed redundant argument. Added support for reduction patterns.
6984 (vectorizable_reduction): Added support for reduction patterns.
6985 (vect_transform_stmt): Added support for patterns.
6987 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
6988 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
6989 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
6990 (expand_widen_pattern_expr): New function.
6991 (init_optabs): Initialize new optabs udot_prod_optab,
6993 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
6994 (sdot_prod_optab, udot_prod_optab): Define new optabs.
6995 (expand_widen_pattern_expr): New function declaration.
6996 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
6998 * tree-inline.c (estimate_num_insns_1): Added cases for new
6999 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7000 * tree-pretty-print.c (dump_generic_node): Likewise.
7001 (op_prio): Likewise.
7002 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7003 * tree-ssa-operands.c (get_expr_operands): Added case for
7005 * tree-vect-patterns.c (widened_name_p): New function.
7006 (vect_recog_dot_prod_pattern): Added function implementation.
7007 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7008 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7009 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7010 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7012 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7013 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7014 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7015 (init_optabs): Initialize new optabs widen_ssum_optab,
7017 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7018 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7019 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7020 use instead of type of def.
7021 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7022 function implementation.
7023 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7024 widen_ssumv8hi): New.
7026 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7029 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7032 * c-decl.c (add_flexible_array_elts_to_size): New function.
7033 (finish_decl): Use it.
7035 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7037 * diagnostic.h: Include options.h.
7038 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7039 dependancies for diagnostic.h.
7040 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7042 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7044 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7045 (ssa_ro_call_cache_valid): Ditto.
7046 * tree-ssa-alias.c (sort_tags_by_id): New function.
7047 (init_transitive_clobber_worklist): Ditto.
7048 (add_to_worklist): Ditto.
7049 (mark_aliases_call_clobbered): Ditto.
7050 (compute_tag_properties): Ditto.
7051 (set_initial_properties): Ditto.
7052 (compute_call_clobbered): Ditto.
7053 (compute_may_aliases): Call compute_call_clobbered and grouping.
7054 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7055 (compute_flow_insensitive_aliasing): Grouping now happens in our
7057 (setup_pointers_and_addressables): Remove clobbering related code.
7058 (add_may_alias): Ditto.
7059 (replace_may_alias): Ditto.
7060 (get_nmt_for): Ditto.
7061 (create_global_var):
7062 (is_escape_site): Return an escape_type enumeration.
7063 * tree-flow-inline.h (is_call_clobbered): Global var does not
7064 imply call clobbered.
7065 (mark_call_clobbered): Take a reason for marking this. Remove
7066 marking of globalness, and cache invalidation.
7067 (clear_call_clobbered): Remove cache invalidation code.
7068 * tree-dfa.c (dump_variable): If details is on, dump the reason
7070 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7072 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7073 (struct var_ann_d): Ditto.
7074 (enum escape_type): New.
7075 (mark_call_clobbered): Adjust prototype.
7076 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7077 are never call clobbered.
7078 Record reasons for escaping.
7079 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7080 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7081 (ssa_ro_call_cache_valid): Ditto.
7082 (clobbered_v_may_defs): Ditto.
7083 (clobbered_vuses): Ditto.
7084 (ro_call_vuses): Ditto.
7085 (clobber_stats): New.
7086 (init_ssa_operands): Zero out clobber stats.
7087 (fini_ssa_operands): Print out clobber stats.
7088 (get_call_expr_operands): Pass callee fndecl to
7090 (add_call_clobber_ops): Remove use of cache.
7091 Add use of PURE_CONST information.
7092 (add_call_read_ops): Remove use of cache.
7093 Add use of static not_read information.
7095 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7097 Introduce TLS descriptors for i386 and x86_64.
7098 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7099 (TARGET_ANY_GNU_TLS): New macro.
7100 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7101 (struct machine_function): Add tls_descriptor_call_expanded_p.
7102 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7103 (ix86_current_function_calls_tls_descriptor): Likewise.
7104 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7105 (override_options): Introduce gnu2 tls dialect.
7106 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7108 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7110 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7111 (ix86_init_machine_status): Initialize new field.
7112 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7113 (ix86_tls_module_base): New.
7114 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7115 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7116 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7117 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7118 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7119 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7120 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7121 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7122 * config/i386/predicates.md (tls_modbase_operand): New.
7123 (tp_or_register_operand): New.
7125 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7127 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7128 (look_for_address_of): Ditto.
7129 (ipa_init): Walk the function decls.
7130 (static_execute): Don't set readonly on FUNCTION_DECL's.
7132 2006-01-18 Roger Sayle <roger@eyesopen.com>
7134 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7135 for shifts where the source and destination registers are different.
7137 2006-01-18 Paul Brook <paul@codesourcery.com>
7139 Merge from csl-arm-branch.
7140 2005-03-14 Julian Brown <julian@codesourcery.com>
7141 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7142 (aeabi_llsl): Likewise.
7143 (ashrdi3): Likewise.
7144 (aeabi_lasr): Likewise.
7145 (lshrdi3): Likewise.
7146 (aeabi_llsr): Likewise.
7147 2005-03-10 Julian Brown <julian@codesourcery.com>
7148 * config.gcc: Disable shared libgcc for SymbianOS.
7149 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7151 2006-01-18 DJ Delorie <dj@redhat.com>
7153 * c-pragma.c (handle_pragma_diagnostic): New.
7154 (init_pragma): Register it.
7155 * doc/extend.texi: Document it.
7157 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7158 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7159 (diagnostic_context): Add classify_diagnostic[].
7160 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7161 as errors if they're overridden to DK_WARNING.
7162 (diagnostic_initialize): Initialize classify_diagnostic[].
7163 (diagnostic_set_kind_override): New.
7164 (diagnostic_report_diagnostic): Check for kind changes.
7165 * opts.c (common_handle_option): Take lang_mask. Update callers.
7167 * common.opt (Werror=): New.
7168 * doc/invoke.texi: Document -Werror=*
7170 2006-01-18 Jeff Law <law@redhat.com>
7172 * tree-vrp.c (test_for_singularity): Correct test for new
7173 min limit. Use operand_equal_p rather than pointer equality
7174 for testing if new min/max values are equal.
7176 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7177 using range information until after propagation and folding.
7179 2006-01-18 Richard Henderson <rth@redhat.com>
7180 Aldy Hernandez <aldyh@redhat.com>
7181 Jakub Jelinek <jakub@redhat.com>
7182 Diego Novillo <dnovillo@redhat.com>
7184 * omp-low.c: New file.
7185 * c-omp.c: New file.
7187 2006-01-18 Richard Henderson <rth@redhat.com>
7188 Jakub Jelinek <jakub@redhat.com>
7189 Diego Novillo <dnovillo@redhat.com>
7191 * doc/invoke.texi: Document -fopenmp.
7192 * tree-dump.h (debug_function): Declare.
7193 * hooks.c (hook_bool_tree_bool_false): New function.
7194 (hook_tree_tree_null): Remove.
7195 (hook_tree_tree_tree_null): New.
7196 * hooks.h: Update to match.
7197 * tree-pretty-print.c (debug_tree_chain): New.
7198 (print_generic_expr): Handle TDF_CHAIN.
7199 (dump_generic_node): Handle BLOCK.
7200 Do not abort with incomplete SWITCH_EXPRs.
7201 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7202 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7203 print space after directive name.
7204 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7205 Handle OMP_MASTER and OMP_ORDERED.
7206 Handle printing of OMP_BODY just in one place, goto
7207 dump_omp_body in the rest of OMP_* nodes that have
7209 Don't handle clause nodes here. Update omp statements to
7210 use dump_omp_clauses.
7211 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7212 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7213 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7214 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7215 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7216 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7217 Adjust output for GOMP_PARALLEL.
7218 (dump_omp_clauses): New.
7219 (print_declaration): Dump DECL_VALUE_EXPR.
7220 (op_symbol_1): Split out of op_symbol.
7221 (dumping_stmts): Remove. Update all users.
7222 * cgraph.c (cgraph_analyze_queue): New.
7223 (cgraph_add_new_function): New.
7224 * cgraph.h (cgraph_analyze_queue): Declare.
7225 (cgraph_add_new_function): Declare.
7226 (cgraph_lower_function): Remove.
7227 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7228 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7229 and TYPE_P nodes in its default clause.
7230 (empty_body_p): New.
7231 (tree_range_check_failed): New.
7233 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7234 OMP_CLAUSE_REDUCTION_MERGE,
7235 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7236 OMP_CLAUSE_PRIVATE_DEBUG,
7237 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7238 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7239 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7240 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7241 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7242 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7243 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7244 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7245 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7246 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7247 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7248 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7249 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7250 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7251 (TREE_RANGE_CHECK): New.
7252 (empty_body_p): Declare.
7253 (enum omp_clause_default_kind): New.
7254 (build_string_literal): Declare.
7255 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7256 (build5_stat, build5): Declare.
7257 * tree-pass.h (TDF_CHAIN): Define.
7258 * tree-pass.h (PROP_gimple_lomp): Define.
7259 (pass_lower_omp): Declare.
7260 * diagnostic.h (debug_tree_chain): Declare.
7261 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7263 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7264 * builtins.c (build_string_literal): Make extern.
7265 * gcc.c (include_spec_function): New.
7266 (static_spec_functions): Add it.
7267 (main): Move load of libgomp.spec ...
7268 (LINK_COMMAND_SPEC): ... here.
7269 (link_gomp_spec): New.
7270 (static_specs): Include it.
7271 (LINK_COMMAND_SPEC): Add link_gomp.
7272 (GOMP_SELF_SPECS): New.
7273 (driver_self_specs): Include it.
7274 (switch_matches): Don't mark inline.
7275 (main): Load libgomp.spec.
7276 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7277 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7278 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7279 * tree-gimple.h (enum omp_parallel): Declare.
7280 (determine_parallel_type): Declare.
7281 (omp_firstprivatize_variable): Declare.
7282 (omp_reduction_init): Declare.
7283 (diagnose_omp_structured_block_errors): Declare.
7284 (struct walk_stmt_info): Add want_return_expr.
7285 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7286 (find_omp_clause): Declare.
7287 (insert_field_into_struct): Declare.
7288 (struct walk_stmt_info): Move from tree-nested.c
7289 (walk_stmts): Declare.
7290 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7292 * cgraphunit.c (cgraph_lower_function): Make static.
7293 (cgraph_finalize_pending_functions): New.
7294 (cgraph_finalize_function): Call it.
7295 (cgraph_finalize_compilation_unit): Likewise.
7296 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7297 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7298 (BT_FN_UINT_UINT): New.
7299 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7300 DEF_FUNCTION_TYPE_VAR_4): Document.
7301 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7302 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7303 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7304 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7305 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7306 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7307 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7308 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7309 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7310 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7311 into separate files.
7312 (DEF_GOMP_BUILTIN): New.
7313 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7314 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7315 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7316 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7317 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7318 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7319 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7320 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7321 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7322 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7323 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7324 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7325 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7326 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7327 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7328 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7329 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7330 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7331 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7332 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7333 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7334 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7335 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7336 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7337 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7338 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7339 * sync-builtins.def: New file, moved from builtins.def.
7340 * omp-builtins.def: New file, moved from builtins.def.
7341 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7342 * gimple-low.c (lower_function_body): Clear data.
7343 (lower_stmt): Do not handle COMPOUND_EXPR.
7344 Remove call to print_node_brief.
7345 * c-tree.h (c_finish_omp_clauses): New prototype.
7346 (C_DECL_THREADPRIVATE_P): Define.
7347 (lookup_name_no_remap, c_omp_remap_private): Remove
7348 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7349 (check_for_loop_decls): Update decl.
7350 (lookup_name_no_remap, c_omp_remap_private): Declare.
7351 (build_indirect_ref, build_modify_expr, pushdecl,
7352 pushdecl_top_level): Move to c-common.h.
7353 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7354 before the switch, but just in the 2 places that need it.
7355 * c-decl.c (diagnose_mismatched_decls): Do not check for
7356 mismatched thread-local attributes when OLDDECL is marked
7357 threadprivate and NEWDECL has no thread-local attributes.
7358 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7359 (c_gimple_diagnostics_recursively): Rename from
7360 c_warn_unused_result_recursively. Invoke
7361 diagnose_omp_structured_block_errors.
7362 (check_for_loop_decls): Return a singular decl found.
7363 * langhooks.c (lhd_omp_predetermined_sharing): Return
7364 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7365 (lhd_omp_firstprivatize_type_sizes): New.
7366 (lhd_omp_assignment): New.
7367 (lhd_omp_predetermined_sharing): New.
7368 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7369 (struct lang_hooks_for_types): Add
7370 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7371 omp_predetermined_sharing, omp_disregard_value_expr,
7372 omp_private_debug_clause, omp_clause_default_ctor,
7373 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7374 (c_finish_omp_clauses): New.
7375 (c_finish_bc_stmt): Diagnose break within omp for.
7376 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7377 (build_unary_op): Return error_mark after reporting
7379 (build_modify_expr): Likewise.
7380 * gimplify.c: Include optabs.h and pointer-set.h.
7381 (enum gimplify_omp_var_data): Declare.
7382 (struct gimplify_omp_ctx): Declare.
7383 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7385 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7386 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7387 (splay_tree_compare_decl_uid): New.
7388 (new_omp_context): New.
7389 (delete_omp_context): New.
7390 (gimple_add_tmp_var): Call omp_add_variable.
7391 (gimplify_bind_expr): Likewise.
7392 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7393 true, disregard DECL_VALUE_EXPR on the decl if any.
7394 (gimplify_expr_in_ctx): New.
7395 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7396 omp_add_variable, omp_notice_variable, omp_is_private
7397 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7398 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7399 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7400 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7401 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7402 gimplify_omp_atomic): New.
7403 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7404 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7405 OMP_CRITICAL and OMP_ATOMIC.
7406 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7407 * c-pragma.h (enum pragma_kind): Add
7408 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7409 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7410 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7411 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7412 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7413 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7414 PRAGMA_OMP_THREADPRIVATE.
7415 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7416 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7417 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7418 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7419 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7420 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7421 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7422 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7423 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7424 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7425 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7426 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7427 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7429 (struct nesting_info): Add field_map,
7430 suppress_expansion, debug_var_chain.
7431 (create_nesting_tree): Initialize them.
7432 (lookup_field_for_decl): Use field_map.
7433 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7434 (convert_local_omp_clauses): New.
7435 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7436 (walk_body): Split out of walk_function.
7437 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7438 (convert_nonlocal_reference): Handle omp statements.
7439 (convert_local_reference): Likewise.
7440 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7441 (unnest_nesting_tree): New.
7442 (lower_nested_functions): Call it.
7443 (insert_field_into_struct): Make extern.
7444 (struct walk_stmt_info): Move to tree-gimple.h.
7445 (walk_stmts): Make extern.
7446 * omp-builtins.def: New file.
7447 * tree-iterator.c (expr_only): Clarify comment.
7448 * c-common.h (pushdecl_top_level, pushdecl,
7449 build_modify_expr, build_indirect_ref,
7450 c_finish_omp_master, c_finish_omp_critical,
7451 c_finish_omp_ordered, c_finish_omp_barrier,
7452 c_finish_omp_atomic, c_finish_omp_flush,
7453 c_finish_omp_for, c_split_parallel_clauses,
7454 omp_clause_default_kind, c_omp_sharing_predetermined,
7455 c_omp_remap_decl): Declare.
7456 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7457 (OBJS-common): Add omp-low.o.
7458 (c-omp.o, omp-low.o): Add.
7459 (gimplify.o): Add dependency on $(OPTABS_H).
7460 (GTFILES): Add omp-low.c.
7461 (gt-stringpool.h): Add.
7462 * tree-cfg.c (set_bb_for_stmt): Do not update the
7463 block-to-labels map if we are currently expanding to RTL.
7464 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7466 Handle IDENTIFIER_NODE.
7467 (tree_verify_flow_info): Do not ICE when emitting error
7468 messages about invalid labels.
7469 (dump_function_to_file): Reset CFUN before emitting the body
7471 (debug_function): New.
7472 * passes.c (init_optimization_passes): Schedule
7474 * langhooks-def.h (lhd_omp_predetermined_sharing,
7475 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7477 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7478 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7479 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7480 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7481 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7482 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7483 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7484 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7485 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7486 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7487 (LANG_HOOK_DECLS): Use them.
7489 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7490 Richard Henderson <rth@redhat.com>
7491 Jakub Jelinek <jakub@redhat.com>
7492 Diego Novillo <dnovillo@redhat.com>
7494 * c-parser.c (pragma_omp_clause): Define.
7495 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7496 (c_parser_compound_statement): Likewise.
7497 (c_parser_statement): Likewise.
7498 (c_parser_pragma): Handle omp pragmas.
7499 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7500 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7501 (c_parser_omp_clause_name, check_no_duplicate_clause,
7502 c_parser_omp_variable_list,
7503 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7504 c_parser_omp_clause_copyprivate,
7505 c_parser_omp_clause_default,
7506 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7507 c_parser_omp_clause_lastprivate,
7508 c_parser_omp_clause_nowait,
7509 c_parser_omp_clause_num_threads,
7510 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7511 c_parser_omp_clause_reduction,
7512 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7513 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7514 c_parser_omp_atomic, c_parser_omp_barrier,
7515 c_parser_omp_critical, c_parser_omp_flush,
7516 c_parser_omp_for_loop, c_parser_omp_for,
7517 c_parser_omp_master, c_parser_omp_ordered,
7518 c_parser_omp_sections_scope, c_parser_omp_sections,
7519 c_parser_omp_parallel, c_parser_omp_single,
7520 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7521 * c-pragma.c (init_pragma): Do omp pragma registration here.
7522 * c.opt (fopenmp): New flag.
7524 2006-01-18 Eric Christopher <echristo@apple.com>
7526 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7527 * config/darwin.h (GOMP_SELF_SPECS): Define.
7529 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7531 * rtl.h: Remove the prototype for reg_alloc.
7533 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7536 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7537 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7538 sjlj and dwarf2 exception handling.
7539 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7540 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7541 * pa/pa.c (function_value): Treat complex and vector types as
7543 (function_arg): Likewise. Only pass scalar floats in the floating
7544 point argument registers.
7545 * pa/t-slibgcc-dwarf-ver: New file.
7546 * pa/t-slibgcc-sjlj-ver: New file.
7547 * pa/t-slibgcc-elf-ver: Delete file.
7549 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7551 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7552 unlikely_test_section_p test.
7554 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7556 * mode-switching.c (optimize_mode_switching): Make it static.
7557 * basic-block.h: Remove the prototype for
7558 optimize_mode_switching.
7560 * modulo-sched.c (sms_schedule): Make it static.
7561 * rtl.h: Remove the prototype for sms_schedule.
7563 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7564 * rtl.h: Remove the prototype for gcse_after_reload_main.
7566 * reg-stack.c (reg_to_stack): Make it static.
7567 * rtl.h: Remove the prototype for reg_to_stack.
7569 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7571 * rtl.h: Remove the prototypes for regrename_optimize and
7572 copyprop_hardreg_forward.
7574 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7576 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7577 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7578 Test against the appropriate null constant for the mode.
7579 If 'fixup_overlap' is true, swap the operands if they overlap.
7580 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7581 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7582 alpha_split_tmode_pair and adjust for above change.
7583 * config/alpha/alpha.md (movtf_internal): Adjust call to
7584 alpha_split_tfmode_pair and rely on it to swap the operands.
7585 (movti_internal): New insn and post-reload splitter.
7586 (movti): New expander.
7588 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7590 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7593 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7595 * rtlanal.c (global_reg_mentioned_p_1,
7596 global_reg_mentioned_p): Remove.
7597 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7599 * flow.c (initialize_uninitialized_subregs): Make it static.
7600 * rtl.h: Remove the prototype for
7601 initialize_uninitialized_subregs.
7603 * function.c (instantiate_virtual_regs): Make it static.
7604 * function.h: Remove the prototype for
7605 instantiate_virtual_regs.
7607 * regmove.c (regmove_optimize, combine_stack_adjustments):
7609 * rtl.h: Remove the prototypes for regmove_optimize and
7610 combine_stack_adjustments.
7612 2006-01-17 Roger Sayle <roger@eyesopen.com>
7614 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7615 (size_cost): Encode costs in bytes so that a reg-reg addition is
7616 equivalent to COSTS_N_INSNS(1).
7617 (override_options): Use the size_cost.branch_cost as the default
7618 ix86_branch_cost when optimizing for size.
7620 2006-01-18 Ben Elliston <bje@au.ibm.com>
7622 * Makefile.in (D32PBIT_FUNCS): New.
7623 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7624 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7625 D64PBIT_FUNCS and D128PBIT_FUNCS.
7626 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7627 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7629 (decnumber_dep): Define.
7630 * doc/libgcc.texi (Decimal float library routines): New node.
7631 * config/dfp-bit.h, config/dfp-bit.c: New files.
7633 2006-01-18 Ben Elliston <bje@au.ibm.com>
7635 * expr.c (emit_move_change_mode): Always adjust addresses, not
7636 just during reload. Copy replacements only during reload.
7637 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
7638 emit_move_via_integer.
7640 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
7642 * Makefile.in (check-%, check-consistency): Use $${srcdir}
7643 instead of $(srcdir) and ${srcdir}.
7645 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
7649 * arm.h (struct machine_function): Add pic_reg.
7650 * arm.c (arm_pic_register): Make unsigned.
7651 (arm_override_options): Only set arm_pic_register if
7652 TARGET_SINGLE_PIC_BASE.
7653 (use_return_insn): Only test for a pic register if it is fixed.
7654 (arm_compute_save_reg0_reg12_mask): Likewise.
7655 (thumb_compute_save_reg_mask): Likewise.
7656 (legitimate_pic_operand): Factor out some known invariants.
7657 (legitimize_pic_address): If we don't have a fixed pic register,
7658 then set up a pseudo in the function entry sequence. Handle the
7659 pic base being in a pseudo.
7660 (arm_load_pic_register): Handle the pic register being in a pseudo.
7661 (arm_expand_prologue): Only set up the pic register if it is fixed.
7662 (thumb_expand_prologue): Likewise.
7663 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
7664 (pic_load_addr_based_insn): Likewise.
7665 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
7668 2006-01-18 Ben Elliston <bje@au.ibm.com>
7670 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
7671 decimal float modes for all floating point registers.
7673 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
7674 match_code "mem" with match_test "macho_lo_sum_memory_operand".
7676 2006-01-17 Jakub Jelinek <jakub@redhat.com>
7679 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
7680 even when the pointer is not NULL.
7682 2006-01-16 Ian Lance Taylor <ian@airs.com>
7684 * common.opt (ftoplevel-reorder): New option.
7685 * cgraph.c (cgraph_asm_nodes): New global variable.
7686 (cgraph_asm_last_node): New static variable.
7687 (cgraph_order): New global variable.
7688 (cgraph_create_node): Set new order field.
7689 (cgraph_varpool_node): Likewise.
7690 (decide_is_variable_needed): Return true if not
7691 flag_toplevel_reorder.
7692 (cgraph_add_asm_node): New function.
7693 * cgraph.h (struct cgraph_node): Add order field.
7694 (struct cgraph_varpool_node): Add order field.
7695 (struct cgraph_asm_node): Define.
7696 (cgraph_asm_nodes, cgraph_order): Declare.
7697 (cgraph_add_asm_node): Declare.
7698 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
7700 (cgraph_varpool_assemble_pending_decls): Call it.
7701 (cgraph_output_pending_asms): New static function.
7702 (cgraph_finalize_compilation_unit): Call it.
7703 (struct cgraph_order_sort): Define.
7704 (cgraph_output_in_order): New static function.
7705 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
7706 !flag_toplevel_reorder case.
7707 * c-parser.c: Include "cgraph.h".
7708 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
7710 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
7711 than -fno-unit-at-a-time.
7712 * doc/invoke.texi (Option Summary): Mention
7713 -fno-toplevel-reorder.
7714 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
7715 -funit-at-a-time documentation.
7717 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
7718 Kazu Hirata <kazu@codesourcery.com>
7720 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
7722 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
7724 * Makefile.in (FUNCTION_H): New. Use it instead of
7725 function.h throughout the file.
7726 * function.h: Include tree.h.
7728 2006-01-17 Ben Elliston <bje@au.ibm.com>
7730 * recog.c: Separate some functions with whitespace.
7732 2006-01-16 Richard Henderson <rth@redhat.com>
7734 Merge from gomp branch:
7735 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
7736 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
7737 and rename from struct inline_data. Rename callee* to dst*;
7738 caller* to src*; add copy_decl hook, transform_call_graph_edges,
7739 transform_new_cfg, transform_return_to_modify, and
7740 transform_lang_insert_block flags; remove cloning_p, versioning_p,
7742 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
7743 (copy_decl_for_dup): Remove.
7744 * tree-inline.c (struct inline_data): Move to header.
7745 (insert_decl_map): Export.
7746 (remap_decl): Update for member name changes. Use copy_decl hook.
7747 Allow for replacement to be a non-decl. Remove dead code.
7748 (remap_type_1): Check for existing mapping.
7749 (remap_type): Export.
7750 (remap_decls): Update for member name changes.
7751 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
7752 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
7753 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
7754 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
7755 (tree_function_versioning, build_duplicate_type): Likewise.
7756 (copy_body_r): Likewise. Export.
7757 (copy_decl_for_dup): Split into ...
7758 (copy_decl_for_dup_finish, copy_decl_to_var,
7759 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
7760 (replace_ref_tree, inlining_p): Remove.
7762 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7764 * ifcvt.c (if_convert): Make it static.
7765 * rtl.h: Remove the prototype for if_convert.
7767 * local-alloc.c (local_alloc): Make it static.
7768 * rtl.h: Remove the prototype for local_alloc.
7770 * loop.c (loop_optimize): Make it static.
7771 * cfgloop.h: Remove the prototype for loop_optimize.
7774 2006-01-16 DJ Delorie <dj@redhat.com>
7776 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
7779 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7781 * pa.md: Disparage copies between general and floating-point registers
7782 in 32-bit move patterns.
7784 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
7787 * Makefile.in (check-%): Depend on site.exp instead of
7788 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
7791 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7793 * global.c (global_alloc): Make it static.
7794 * rtl.h: Remove the prototype for global_alloc.
7796 2006-01-16 Richard Guenther <rguenther@suse.de>
7798 * tree-ssa-alias.c (struct used_part): Add write_only field.
7799 (get_or_create_used_part_for): Initialize it to true.
7800 (create_overlap_variables_for): Don't create structure variables
7801 for structures that only are written to.
7802 (find_used_portions): Handle MODIFY_EXPR to track whether a
7803 structure is only written to.
7805 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7807 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
7809 * basic-block.h: Remove the prototype for
7810 partition_hot_cold_basic_blocks.
7812 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
7814 * cppspec.c (lang_specific_spec_functions): Remove.
7815 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
7816 * gcc.h (lang_specific_spec_functions): Remove.
7817 * gccspec.c (lang_specific_spec_functions): Remove.
7819 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
7821 * combine.c (record_value_for_reg): Invalidate registers
7823 (record_dead_and_set_regs_1): Likewise, by passing them to
7824 record_value_for_reg.
7825 (record_dead_and_set_regs): Invalidate stores made by a
7826 call. We do not combine across a call, but we still
7827 relied on equivalences.
7829 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7831 * tree-vrp.c (extract_range_from_binary_expr): Cope with
7832 vrp_int_const_binop returning non-constant nodes.
7834 2006-01-16 Paul Brook <paul@codesourcery.com>
7836 * config/m68k/m68k.c (output_move_const_into_data_reg):
7837 Output correct mnemonic for mvz and mvs.
7839 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
7841 * rtl-factoring.c: Add sequence abstraction algorithm.
7842 * cfgcleanup.c (outgoing_edges_match): Extra checks.
7843 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
7845 (block_has_preserve_label): New function.
7846 * common.opt: Register new pass.
7847 * Makefile.in: Ditto.
7849 * timevar.def: Ditto.
7850 * tree-pass.h: Ditto.
7851 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
7852 * rtl.h (make_jump_insn_raw): Add forward decl.
7853 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
7855 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7856 Roger Sayle <roger@eyesopen.com>
7858 * fold-const.c (fold_minmax): New static function.
7859 (fold_binary) <MIN_EXPR>: Call it.
7860 <MAX_EXPR>: Likewise.
7861 * stor-layout.c (place_field): Use DECL_SIZE consistently
7862 in the computation of the new record size.
7864 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7866 * cse.c (cse_condition_code_reg): Make it static.
7867 * rtl.h: Remove the prototype for cse_condition_code_reg.
7869 * combine.c (combine_instructions): Make it static.
7870 * rtl.h: Remove the prototype for combine_instructions.
7872 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7875 * tree.c (get_file_function_name_long): Concatenate the first global
7876 object name with a string derived from the input filename of the object
7879 2006-01-16 Ben Elliston <bje@au.ibm.com>
7881 * config/i386/winnt-stubs.c: Update FSF address.
7882 * config/xtensa/ieee754-df.S: Ditto.
7883 * config/xtensa/ieee754-sf.S: Ditto.
7885 2006-01-14 Ian Lance Taylor <ian@airs.com>
7887 * ifcvt.c (noce_init_if_info): New static function, broken out of
7888 noce_process_if_block.
7889 (noce_process_if_block): Call noce_init_if_info.
7890 (check_cond_move_block): New static function.
7891 (cond_move_process_if_block): New static function.
7892 (process_if_block): Call cond_move_process_if_block.
7894 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
7896 * cselib.c (hash_table): Rename to cselib_hash_table.
7897 (cselib_clear_table, discard_useless_values,
7898 remove_useless_values, cselib_lookup_mem, cselib_lookup,
7899 cselib_init, cselib_finish): Adjust uses of hash_table.
7901 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
7903 PR tree-optimization/25485
7904 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
7905 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
7906 is known to be false and true, respectively.
7908 2006-01-14 Richard Guenther <rguenther@suse.de>
7910 PR tree-optimization/22548
7911 PR tree-optimization/22555
7912 PR tree-optimization/22501
7913 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
7914 * params.def (salias-max-array-elements): New parameter.
7915 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
7916 * doc/invoke.texi (salias-max-array-elements): Document.
7917 * tree-flow-inline.h (var_can_have_subvars): We also handle
7919 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
7921 * tree-ssa-structalias.c (params.h): Include.
7922 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
7923 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
7924 (get_constraint_for): For ADDR_EXPR operating on something
7925 containing an ARRAY_REF, add all subvars to the solution.
7926 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
7927 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
7928 for creating MUST_DEFs.
7929 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
7931 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7933 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
7935 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
7936 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7937 number_of_iterations_le): New functions.
7938 (number_of_iterations_special): Removed.
7939 (number_of_iterations_exit): Do not use number_of_iterations_special.
7940 * tree.c (unsigned_type_for): Always return integer type.
7942 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
7943 Richard Guenther <rguenther@suse.de>
7945 PR rtl-optimization/24257
7946 * gcse.c (find_moveable_store): Only consider a store movable
7947 when the SET_SRC of the insn can be assigned to a register.
7949 2006-01-14 Ian Lance Taylor <ian@airs.com>
7951 * tree.c (tree_not_class_check_failed): New function.
7952 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
7953 (tree_not_class_check_failed): Declare.
7955 2006-01-13 Ian Lance Taylor <ian@airs.com>
7957 * reload1.c (do_output_reload): Add assertion rejecting a
7960 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
7962 * combine.c (struct reg_stat): Add new fields truncation_label and
7964 (record_value_for_reg): Reset truncated_to_mode.
7965 (record_truncated_value): New function.
7966 (check_promoted_subreg): Call it. Rename to check_conversions.
7967 (combine_instructions): Rename check_promoted_subreg to
7969 (reg_truncated_to_mode): New function.
7970 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
7971 (gen_lowpart_or_truncate): New function.
7972 (force_to_mode): Use it instead of gen_lowpart.
7974 2006-01-13 Diego Novillo <dnovillo@redhat.com>
7976 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
7977 VAR is a tag, not its type tag.
7979 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
7981 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
7982 alternatives to match style of other entries.
7983 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
7985 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
7987 PR tree-optimization/25771
7988 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
7991 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
7994 * tree-inline.c (declare_return_variable): If the return variable
7995 was marked as a non gimple complex, set the return slot variable
7996 to be a non gimple comple variable.
7998 2006-01-13 Richard Guenther <rguenther@suse.de>
8000 * builtins.c (expand_builtin_sincos): New function.
8001 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8003 (expand_builtin): Expand sincos using expand_builtin_sincos.
8005 2006-01-12 DJ Delorie <dj@redhat.com>
8007 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8008 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8009 so that constant shifts can be split.
8010 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8011 (m32c_valid_pointer_mode): Make static.
8012 (shift_gen_func_for): New.
8013 (m32c_prepare_shift): Use it. Split large const shifts into
8015 * config/m32c/predicates.md (shiftcount_operand): Allow more
8017 (longshiftcount_operand): New.
8018 * doc/md.texi (Machine Constraints): Document In6.
8020 2006-01-13 Ben Elliston <bje@au.ibm.com>
8022 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8023 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8026 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8028 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8029 to try to avoid clobbering pieces of structures when we know
8030 something about the whole structure.
8031 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8033 2006-01-13 Ben Elliston <bje@au.ibm.com>
8035 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8036 return in memory, as this is no limitation is no longer present.
8038 2006-01-12 DJ Delorie <dj@redhat.com>
8040 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8041 mova with fb, and for fb+0 -> An.
8043 * config/m32c/mov.md (peephole2): Fix enabling logic.
8045 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8046 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8047 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8048 FINI_ARRAY_SECTION_ASM_OP): Define.
8050 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8052 (m32c_legitimize_reload_address): New logic to reload FB to An.
8053 (m32c_output_reg_push): Add newline.
8054 (m32c_output_reg_pop): Likewise.
8056 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8058 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8060 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8062 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8064 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8066 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8069 2006-01-11 Ben Elliston <bje@au.ibm.com>
8071 * rtlanal.c (find_reg_note): Assert insn is not null.
8073 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8075 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8078 2006-01-11 Jeff Law <law@redhat.com>
8080 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8082 (mark_threaded_blocks, register_jump_thread): New functions.
8083 (thread_through_all_blocks): Remove unwanted argument. No
8084 longer rely on e->aux to communicate thread target info.
8085 Call mark_threaded_blocks. Release the threaded_blocks
8086 bitmap and threaded_edges vector when complete.
8087 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8088 (threaded_blocks): Remove.
8089 (tree_ssa_dominator_optimize): Remove initialization and
8090 finalization of threaded_blocks. Simplify call to
8091 thread_through_all_blocks.
8092 (thread_across_edge): Call register_jump_thread rather than
8093 storing thread information into e->aux.
8094 (free_all_edge_infos): Simplify now that e->aux is no longer
8095 used to communicate with thread_through_all_blocks.
8096 * tree-flow.h (thread_through_all_blocks): Update prototype.
8097 (register_jump_thread): Prototype.
8099 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8101 * df-core.c (df_compact_blocks, df_bb_replace): Use
8102 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8104 2006-01-11 Richard Guenther <rguenther@suse.de>
8106 PR tree-optimization/25734
8107 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8108 stop propagation after successful propagation to the LHS.
8110 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8112 * basic-block.h (control_flow_graph): Change the type of
8113 x_basic_block_info to VEC(basic_block,gc) *.
8114 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8116 (SET_BASIC_BLOCK): New.
8117 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8118 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8119 * cfgbuild.c (find_basic_blocks): Likewise.
8120 * cfglayout.c (fixup_reorder_chain): Likewise.
8121 * cfgrtl.c (create_basic_block_structure,
8122 rtl_create_basic_block): Likewise.
8123 * ifcvt.c (find_if_case_1): Likewise.
8124 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8127 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8129 * Makefile.in: Removed rotted odf.c entry.
8131 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8134 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8135 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8136 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8137 output pattern modifier, not %e.
8138 * config/cris/cris.c (cris_op_str): Update comment about pattern
8140 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8141 before falling through into...
8142 <case 'E'>: Redefined from old 'e' case.
8144 2006-01-11 Jan Hubicka <jh@suse.cz>
8147 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8149 2006-01-11 Jan Hubicka <jh@suse.cz>
8151 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8152 * i386.c (x86_decompose_lea): Kill.
8153 (ix86_rtx_costs): Kill.
8155 2006-01-11 Jan Hubicka <jh@suse.cz>
8157 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8158 * cgraph.h (cgraph_node): Add inline_decl.
8159 (cgraph_insert_node_to_hashtable): Declare.
8160 (save_inline_function_body): Declare.
8161 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8163 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8164 (cgraph_function_versioning): Update call of tree_function_versioning.
8165 (save_inline_function_body): New function.
8166 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8167 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8168 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8169 (cgraph_default_inline_p): Likewise.
8170 (cgraph_decide_inlining_incrementally): Likewise.
8171 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8172 (copy_bb): Kill saving; do updating of clones.
8173 (copy_cfg_body): Kill saving.
8174 (initialize_inlined-parameters): Likewise.
8175 (expand_call_inline): Likewise.
8177 (tree_function_versioning): New parameter "update_clones".
8178 (inlining_p): Kill saving.
8179 * tree-inline.h (tree_function_versioning): Update prototype.
8180 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8183 2006-01-11 Ian Lance Taylor <ian@airs.com>
8185 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8186 Allow undoing set of machine mode.
8187 (do_SUBST): Use enums instead of is_int.
8188 (do_SUBST_MODE): New function.
8189 (SUBST_MODE): New macro.
8190 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8191 reg and trying to replace reg_regno_rtx with a new register.
8192 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8193 (simplify_set): Use SUBST_MODE.
8194 (distribute_notes): Remove code that tried to update reg notes
8195 for regno_reg_rtx changes.
8197 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8199 PR tree-optimization/23109
8200 PR tree-optimization/23948
8201 PR tree-optimization/24123
8203 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8204 * tree-cfg.c (single_noncomplex_succ): New.
8205 * tree-flow.h (single_noncomplex_succ): Declare it.
8206 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8207 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8208 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8209 insert_bb, register_division_in, insert_reciprocals,
8210 replace_reciprocal, free_bb): New.
8211 (execute_cse_reciprocals_1): Rewritten.
8212 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8213 Do not commit any edge insertion. Always compute dominators and
8214 create the allocation pool.
8215 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8216 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8217 * targhooks.c (default_min_divistions_for_recip_mul): New.
8218 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8219 * passes.c (init_optimization_passes): Run recip after tree loop
8221 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8223 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8224 Kenneth Zadeck <zadeck@naturalbridge.com>
8226 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8227 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8228 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8229 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8230 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8231 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8232 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8233 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8234 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8235 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8236 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8237 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8238 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8239 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8240 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8241 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8242 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8243 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8244 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8245 DF_SCAN_POST_ALLOC): New macros.
8246 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8247 df_free_bb_function, df_local_compute_function, df_init_function,
8248 df_dataflow_function, df_confluence_function_0,
8249 df_confluence_function_n, df_transfer_function,
8250 df_finalizer_function, df_free_function, df_dump_problem_function,
8251 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8252 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8253 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8254 df_urec_bb_info, ) New types.
8255 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8257 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8258 df_analyze_simple_change_some_blocks,
8259 df_analyze_simple_change_one_block, df_compact_blocks,
8260 df_bb_replace, df_bb_regno_last_use_find,
8261 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8262 df_insn_regno_def_p, df_find_def, df_find_use,
8263 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8264 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8265 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8266 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8267 debug_df_chain, df_get_dependent_problem, df_chain_create,
8268 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8269 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8270 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8271 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8272 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8273 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8274 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8275 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8276 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8277 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8278 df_reorganize_refs, df_set_state, df_hard_reg_init,
8279 df_read_modify_subreg_p) New public functions.
8280 * df-core.c: The core dataflow solver and glue routines for rtl
8282 (df_init, df_add_problem, df_set_blocks, df_finish,
8283 df_hybrid_search_forward, df_hybrid_search_backward,
8284 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8285 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8286 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8287 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8288 df_reg_defined, df_find_use, df_reg_used, df_dump,
8289 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8290 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8291 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8292 debug_df_useno, reset_df_after_reload): New functions.
8293 * df-scan.c: The scanning fuctions, once in df.c, completely
8294 rewritten so that they now fully model the functionality of
8295 register usage at the backend.
8296 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8297 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8298 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8299 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8300 df_get_artificial_defs, df_get_artificial_uses,
8301 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8302 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8303 df_refs_delete, df_reorganize_refs, df_set_state,
8304 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8305 df_def_record_1, df_defs_record, df_uses_record,
8306 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8307 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8308 df_record_exit_block_uses, df_hard_reg_init): New functions.
8310 * df-problems.c: Seven concrete dataflow problems that use the
8311 scanning in df-scan.c and are solved by the engine in df-core.c.
8312 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8313 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8314 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8315 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8316 df_ru_free_bb_info, df_ru_alloc,
8317 df_ru_bb_local_compute_process_def,
8318 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8319 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8320 df_ru_transfer_function, df_ru_free, df_ru_dump,
8321 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8322 df_rd_free_bb_info, df_rd_alloc,
8323 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8324 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8325 df_rd_transfer_function, df_rd_free, df_rd_dump,
8326 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8327 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8328 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8329 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8330 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8331 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8332 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8333 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8334 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8335 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8336 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8337 df_urec_mark_reg_use_for_earlyclobber,
8338 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8339 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8340 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8341 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8342 df_chain_create_bb_process_use, df_chain_create_bb,
8343 df_chain_finalize, df_chain_free, df_chains_dump,
8344 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8345 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8346 df_reg_lifetime): New functions.
8347 * df.c: Deleted file.
8348 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8349 consistent with new df api.
8350 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8351 rest_of_handle_sms): Ditto.
8352 * web.c (unionfind_union, union_defs, entry_register, web_main):
8354 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8355 invariant_expr_equal_p, find_defs, check_dependencies,
8356 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8357 free_inv_motion_data, move_loop_invariants): Ditto.
8358 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8359 Update dependencies.
8360 (odf.c): Added defective entry that was deleted later in day.
8361 * sched-deps.c (sched_analyze_1): Ditto.
8363 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8365 * tree-ssa-operands.c (get_expr_operands): Record addressable
8366 variables directly. Do not call add_stmt_operands for CONST_DECLs
8368 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8369 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8371 2006-01-11 Ben Elliston <bje@au.ibm.com>
8373 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8374 function returns true in the positive case.
8376 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8379 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8380 for SI, DI, SF and DF modes. Add alternatives to copy between
8381 general and floating point registers to the 32-bit patterns.
8382 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8383 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8384 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8385 generating 64-bit code.
8386 * config/pa/pa.c (output_move_double): Handle copies between general
8387 and floating registers.
8389 2006-01-10 Stuart Hastings <stuart@apple.com>
8391 * config/i386/i386.md (set_got): Update.
8392 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8393 (builtin_setjmp_receiver): Mach-O support.
8394 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8395 (GOT_SYMBOL_NAME): Define.
8396 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8397 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8398 * config/i386/i386.c (override_options): Revise for Darwin.
8399 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8400 support. (darwin_x86_file_end): New. (output_set_got): Add label
8401 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8402 * config/i386/i386-protos.h (output_set_got): Likewise.
8403 * config/darwin.c (machopic_legitimize_pic_address): Update
8406 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8408 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8409 when MODE isn't BLKmode.
8411 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8413 PR rtl-optimization/25367
8414 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8416 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8419 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8420 for a negative bound.
8422 2006-01-10 Richard Guenther <rguenther@suse.de>
8424 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8425 Never override with anything constraint.
8427 2006-01-10 Jan Beulich <jbeulich@novell.com>
8429 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8430 256 bits when optimize_size.
8432 2006-01-10 Jan Beulich <jbeulich@novell.com>
8434 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8436 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8437 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8440 2006-01-10 Ben Elliston <bje@au.ibm.com>
8442 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8444 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8445 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8446 (USE_FP_FOR_ARG): Reject decimal float modes.
8447 (function_arg_advance): Likewise.
8448 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8449 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8450 point types in AltiVec vectors.
8451 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8452 (rs6000_libcall_value): Likewise.
8454 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8456 * config/xtensa/ieee754-df.S: New file.
8457 * config/xtensa/ieee754-sf.S: New file.
8458 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8459 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8460 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8462 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8464 * config/sh/predicates.md (binary_float_operator,
8465 binary_logical_operator, commutative_float_operator,
8466 equality_comparison_operator, greater_comparison_operator,
8467 less_comparison_operator, logical_operator,
8468 noncommutative_float_operator, shift_operator,
8469 symbol_ref_operand, unary_float_operator): Remove redundant
8472 2006-01-09 Jeff Law <law@redhat.com>
8474 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8475 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8476 now unused arguments. Callers updated.
8477 (eliminate_redundant_computations): Remove now unused arguments,
8479 (local_fold): Remove, no longer used.
8480 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8482 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8483 (simplify_cond): New function.
8484 (forward_propagate_into_cond): Call simplify_cond.
8486 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8488 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8489 (*vec_extractv2di_1_sse): New.
8491 2006-01-09 Ben Elliston <bje@au.ibm.com>
8493 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8495 2006-01-08 Richard Guenther <rguenther@suse.de>
8497 * tree-ssa-structalias.c (get_constraint_for): Remove
8499 (get_constraint_for_component_ref): Likewise.
8500 (do_deref): Likewise.
8501 (get_constraint_for): Likewise.
8502 (do_structure_copy): Likewise.
8503 (handle_ptr_arith): Likewise.
8504 (find_func_aliases): Likewise. Remove unused need_anyoffset
8507 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8508 Kaz Kojima <kkojima@gcc.gnu.org>
8510 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8511 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8512 (EXTRA_CONSTRAINT_C16): Remove.
8513 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8514 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8515 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8516 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8517 constants of SHmedia. Handle nested constant expressions of
8519 (andcosts): Fix the costs for SHmedia constants.
8520 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8521 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8522 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8523 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8524 (movv4hi_i, movv2si_i): Likewise.
8525 (movsi_const): Adjust the second operand of ior so to match with
8527 (movdi_const, movdi_const_32bit): Likewise.
8528 (movdi_const_16bit+1): Don't sign-extend LOW.
8529 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8531 (*double_shori): Fix the split condition. Use GEN_INT instead
8532 of get_int_mode calls. Mask lower 16-bit of the argument of
8534 (sym2GOTPLT): Remove.
8535 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8537 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8538 instead of EXTRA_CONSTRAINT_C16.
8540 2006-01-07 Ian Lance Taylor <ian@airs.com>
8541 David Edelsohn <edelsohn@gnu.org>
8543 PR rtl-optimization/25662
8544 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8545 for constant operands instead of simplify_gen_binary.
8546 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8547 after trying simplify_binary_operation
8549 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8551 * tree.c (iterative_hash_expr): Hash decls based on UID.
8553 2006-01-06 Eric Christopher <echristo@apple.com>
8555 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8556 (TARGET_UNWIND_EMIT): Fix spelling.
8557 * target.h (gcc_target): Add except_table_label.
8558 * except.c (output_function_exception_table): Use.
8559 * varasm.c (default_emit_except_table_label): New.
8560 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8562 (asm_out): Add here.
8563 * output.h (default_emit_except_table_label): Prototype.
8564 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8565 * config/darwin.c (darwin_emit_except_table_label): Define.
8566 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8568 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8570 PR tree-optimization/18527
8571 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8572 number_of_iterations_special, number_of_iterations_exit):
8573 Move base and step of an iv to a single structure. Add
8574 no_overflow flag, and use it in # of iterations analysis.
8575 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8576 folded_casts argument.
8577 (simple_iv): Pass base and step in a structure. Set no_overflow
8579 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8580 Evaluate expensiveness of computing # of iterations instead of
8581 the final expression.
8582 * tree-scalar-evolution.h (affine_iv): New structure.
8583 (simple_iv): Declaration changed.
8584 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8585 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8586 find_givs_in_stmt): Changed due to simple_iv change.
8588 2006-01-06 Jeff Law <law@redhat.com>
8591 * tree-cfg.c (bsi_replace): Rename final argument from
8592 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8593 change (stmt -> orig_stmt).
8594 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8595 (bsi_remove): Add new argument. Remove EH information
8597 (verify_eh_throw_table_statements): New function.
8598 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8600 * tree-optimize.c (execute_free_cfg_annotations): Verify
8601 the EH throw statement table after removing annotations.
8602 * except.h (verify_eh_throw_table_statements): Prototype.
8603 * tree-flow.h (bsi_remove): Update prototype.
8604 * tree-vrp.c (remove_range_assertions): Add new argument to
8606 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8607 * tree-complex.c (expand_complex_div_wide): Likewise.
8608 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8609 * tree-tailcall.c (eliminate_tailcall): Likewise.
8610 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8611 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8612 * tree-nrv.c (tree_nrv): Likewise.
8613 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8614 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8615 (combine_blocks): Likewise.
8616 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8617 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8618 (cleanup_control_flow): Likewise.
8619 (remove_forwarder_block): Likewise.
8620 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8621 * tree-sra.c (sra_replace): Likewise.
8622 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8623 (forward_propagate_single_use_vars): Likewise.
8624 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8625 * tree-inline.c (expand_call_inline): Likewise.
8626 * tree-vect-transform.c (vect_transform_loop): Likewise.
8627 * tree-outof-ssa.c (rewrite_trees): Likewise.
8628 * tree-cfg.c (make_goto_expr_edges): Likewise.
8629 (cleanup_dead_labels): Likewise.
8630 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8631 (bsi_move_before, bsi_move_after): Likewise.
8632 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
8633 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
8635 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
8638 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
8640 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
8641 on non gimple variables. Also add checks at the top for decls and
8643 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
8645 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
8646 and IMAGPART_EXPR for creating MUST_DEFs.
8647 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
8648 and NAME_MEMORY_TAG separately from the DECLs.
8650 2006-01-06 Richard Guenther <rguenther@suse.de>
8652 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
8653 annotation, if necessary.
8654 * tree-ssa-pre.c (create_expression_by_pieces): Remove
8655 redundant calls to update_stmt.
8656 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
8659 2006-01-05 Richard Henderson <rth@redhat.com>
8661 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
8663 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8665 * c-typeck.c: Update copyright date.
8667 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8669 * c-typeck.c (build_c_cast): Always warn when casting
8670 from a pointer to an integer of different size, even if
8671 the node was constant.
8673 2006-01-05 Richard Guenther <rguenther@suse.de>
8675 PR tree-optimization/22555
8676 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
8677 if one structure field is an array.
8678 * tree-ssa-operands.c (get_expr_operands): Continue scanning
8679 operands even if we found a subvar, but ignore VOPs in this
8681 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
8683 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
8685 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
8688 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
8690 2006-01-05 Richard Guenther <rguenther@suse.de>
8691 Diego Novillo <dnovillo@redhat.com>
8693 * tree-pass.h (TODO_remove_unused_locals): Define.
8694 * gimple-low.c (expand_var_p, remove_useless_vars,
8695 pass_remove_useless_vars): Remove. Update all users.
8696 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
8697 (remove_unused_locals): New function.
8698 * tree-flow.h (remove_unused_locals): Declare.
8699 * passes.c (execute_todo): Call remove_unused_locals if
8700 TODO_remove_unused_locals is set.
8701 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
8702 * tree-ssa-dce.c (pass_dce): Likewise.
8703 * tree-outof-ssa.c (pass_del_ssa): Likewise.
8705 2006-01-05 Richard Guenther <rguenther@suse.de>
8707 * tree-flow.h (struct fieldoff): Decompose field to
8708 type, size and decl.
8709 * tree-ssa-alias.c (create_sft): Take type as parameter.
8710 (create_overlap_variables_for): Store type, size and decl
8711 in the fieldoff structure.
8712 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
8714 (push_fields_onto_fieldstack): Likewise.
8715 (create_variable_info_for): Likewise. Use offset for the
8716 SFT name if the decl is not available.
8718 2006-01-04 Paul Brook <paul@codesourcery.com>
8720 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
8722 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
8724 * lambda-code.c (can_put_in_inner_loop): Relax
8726 (can_put_after_inner_loop): New function.
8727 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
8728 (perfect_nestify): Change to make copies and modify uses.
8730 2006-01-04 Richard Henderson <rth@redhat.com>
8732 Merge from gomp branch:
8733 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
8734 via integer constant.
8735 (pragma_lex): Remove.
8736 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
8737 rather than parsing it.
8738 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
8739 handle_pragma_extern_prefix): Add %< %> quotes.
8740 (registered_pragmas): New.
8741 (c_register_pragma_1): New.
8742 (c_register_pragma): Use it.
8743 (c_register_pragma_with_expansion): Likewise.
8744 (c_invoke_pragma_handler): New.
8745 (init_pragma): Use cpp_register_deferred_pragma directly for
8747 * c-pragma.h (enum pragma_kind): New.
8748 (pragma_handler): New.
8749 (c_invoke_pragma_handler): Declare.
8750 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
8752 * c-common.h (c_common_pch_pragma): Update decl.
8753 * Makefile.in (c-parser.o): Update dependencies.
8754 (GTFILES): Add c-pragma.h.
8755 * c-parser.c (struct c_token): Add pragma_kind.
8756 (struct c_parser): Add in_pragma.
8757 (c_lex_one_token): Always initialize keyword and pragma_kind.
8758 Extract data for CPP_PRAGMA.
8759 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
8760 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
8761 Don't allow CPP_PRAGMA_EOL if in_pragma.
8762 (c_parser_consume_pragma): New.
8763 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
8764 (c_parser_skip_to_end_of_parameter): Likewise.
8765 (c_parser_skip_to_end_of_block_or_statement): Likewise.
8766 (c_parser_skip_to_pragma_eol): New.
8767 (c_parser_external_declaration): Handle CPP_PRAGMA.
8768 (c_parser_compound_statement_nostart): Likewise.
8769 (c_parser_statement_after_labels): Likewise.
8770 (c_parser_pragma): New.
8771 (pragma_lex): Likewise.
8772 (c_parser_pragma_pch_preprocess): New.
8773 (c_parser_new): Merge into ...
8774 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
8776 2006-01-04 Jeff Law <law@redhat.com>
8779 * tree-cfg.c (bsi_replace): Remove the original statement
8780 from the EH throw statement table.
8782 2006-01-04 Jakub Jelinek <jakub@redhat.com>
8784 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
8785 make the prototype extern "C" and add throw ().
8788 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
8789 and pos non-negative and pos + len <= 32.
8790 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
8791 drop pos + len < HOST_BITS_PER_WIDE_INT test.
8792 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
8795 * c-common.c (handle_vector_size_attribute): Reject zero vector size
8796 as well as sizes not multiple of component size.
8799 * function.c (instantiate_expr): New function.
8800 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
8801 walk its DECL_VALUE_EXPR with instantiate_expr.
8803 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
8804 DW_OP_deref{,_size} if address isn't going to be added.
8806 2006-01-04 Ben Elliston <bje@au.ibm.com>
8808 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
8809 * config/fp-bit.c: Likewise.
8811 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
8813 * dominance.c: Add comment about why we use DFS numbering
8816 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8817 Richard Henderson <rth@redhat.com>
8819 Merge from gomp-branch:
8820 * varasm.c (assemble_variable): Handle thread-local COMMON data.
8821 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
8823 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
8825 PR rtl-optimization/25578
8826 * combine.c (combine_simplify_rtx, force_to_mode): Don't
8827 pass a parameter to simplify_shift_const if changing ASHIFTRT
8830 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
8832 * builtins.c (get_builtin_sync_mem): New function.
8833 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
8834 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
8835 Call get_builtin_sync_mem to generate mem rtx.
8837 2006-01-03 Richard Guenther <rguenther@suse.de>
8840 * stmt.c (add_case_node): Make sure to clear overflow flags
8843 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8845 Merge from gomp-branch.
8846 * config/sparc/sync.md: New file.
8847 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
8848 UNSPECV_LDSTUB): New constants.
8849 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
8850 * config/sparc/predicates.md (memory_reg_operand): New predicate.
8851 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
8854 2006-01-03 Roger Sayle <roger@eyesopen.com>
8856 * combine.c (reg_subword_p): New predicate to test whether the
8857 destination of a set refers to a subword/piece of a register.
8858 (try_combine): Generalize the code to merge the setting of a
8859 pseudo to a constant followed by a set of a subword of that
8860 register to a constant.
8862 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
8864 * basic-block.h (control_flow_graph): Change the type of
8865 x_label_to_block_map to VEC(basic_block,gc) *.
8866 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
8867 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
8869 * tree-ssa-propagate.c (cfg_blocks): Change the type to
8870 VEC(basic_block,heap) *.
8871 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
8872 ssa_prop_fini): Adjust the uses of cfg_blocks.
8874 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
8876 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
8878 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
8879 hashing trees instead of a pointer hash.
8880 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
8881 compare for MEM_EXPR.
8883 PR rtl-optimization/25130
8884 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
8885 when comparing MEMs for GCSE
8887 2006-01-03 Ben Elliston <bje@au.ibm.com>
8889 * targhooks.h (default_decimal_float_supported_p): Declare.
8890 * targhooks.c (default_decimal_float_supported_p): Define.
8891 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
8892 `default_decimal_float_supported_p'.
8893 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
8895 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
8897 * combine.c (apply_distributive_law <SUBREG>): Check
8898 TRULY_NOOP_TRUNCATION.
8900 2006-01-02 Geoffrey Keating <geoffk@apple.com>
8902 * dwarf2out.c (have_switched_text_section): Delete.
8903 (have_multiple_function_sections): New.
8904 (have_location_lists): Make 'bool'.
8905 (add_AT_loc_list): Use 'true' not '1'.
8906 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
8907 (output_loc_list): Use have_multiple_function_sections.
8908 (output_ranges): Likewise.
8909 (dwarf2out_begin_function): Set have_multiple_function_sections if
8911 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
8912 Check function_section rather than DECL_SECTION_NAME.
8913 (dwarf2out_finish): Use have_multiple_function_sections.
8914 Don't clear have_location_lists.
8916 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
8917 Jan Hubicka <jh@suse.cz>
8919 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
8920 case of conditional jump jumping to the next instruction.
8921 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
8922 cases of conditional jump jumping to the next instruction.
8924 2006-01-02 Jan Hubicka <jh@suse.cz>
8926 * i386.c (*_cost): Add COSTS_N_INSNS.
8927 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
8929 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
8932 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
8934 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8936 * config/arm/arm.c (all_fpus): Fix comment typo.
8937 * config/darwin.c: Likewise.
8938 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
8939 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
8940 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
8942 2006-01-01 David Edelsohn <edelsohn@gnu.org>
8944 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
8945 (rs6000_split_compare_and_swapqhi): New.
8946 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
8947 (sync_compare_and_swapqhi_internal): New.
8948 * config/rs6000/rs6000-protos.h: Declare.